diff --git a/doc/01_陈家儒_泛读报告.docx b/doc/01_陈家儒_泛读报告.docx
new file mode 100644
index 0000000..37ba709
Binary files /dev/null and b/doc/01_陈家儒_泛读报告.docx differ
diff --git a/doc/CJR_codereading/data/Contact.java b/doc/CJR_codereading/data/Contact.java
new file mode 100644
index 0000000..d97ac5d
--- /dev/null
+++ b/doc/CJR_codereading/data/Contact.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.data;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.provider.ContactsContract.CommonDataKinds.Phone;
+import android.provider.ContactsContract.Data;
+import android.telephony.PhoneNumberUtils;
+import android.util.Log;
+
+import java.util.HashMap;
+
+public class Contact {
+    private static HashMap<String, String> sContactCache;
+    private static final String TAG = "Contact";
+
+    private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER
+    + ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'"
+    + " AND " + Data.RAW_CONTACT_ID + " IN "
+            + "(SELECT raw_contact_id "
+            + " FROM phone_lookup"
+            + " WHERE min_match = '+')";
+
+    public static String getContact(Context context, String phoneNumber) {
+        if(sContactCache == null) {
+            sContactCache = new HashMap<String, String>();
+        }
+
+        if(sContactCache.containsKey(phoneNumber)) {
+            return sContactCache.get(phoneNumber);
+        }
+
+        String selection = CALLER_ID_SELECTION.replace("+",
+                PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));
+        Cursor cursor = context.getContentResolver().query(
+                Data.CONTENT_URI,
+                new String [] { Phone.DISPLAY_NAME },
+                selection,
+                new String[] { phoneNumber },
+                null);
+
+        if (cursor != null && cursor.moveToFirst()) {
+            try {
+                String name = cursor.getString(0);
+                sContactCache.put(phoneNumber, name);
+                return name;
+            } catch (IndexOutOfBoundsException e) {
+                Log.e(TAG, " Cursor get string error " + e.toString());
+                return null;
+            } finally {
+                cursor.close();
+            }
+        } else {
+            Log.d(TAG, "No contact matched with number:" + phoneNumber);
+            return null;
+        }
+    }
+}
diff --git a/doc/CJR_codereading/data/Notes.java b/doc/CJR_codereading/data/Notes.java
new file mode 100644
index 0000000..f240604
--- /dev/null
+++ b/doc/CJR_codereading/data/Notes.java
@@ -0,0 +1,279 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.data;
+
+import android.net.Uri;
+public class Notes {
+    public static final String AUTHORITY = "micode_notes";
+    public static final String TAG = "Notes";
+    public static final int TYPE_NOTE     = 0;
+    public static final int TYPE_FOLDER   = 1;
+    public static final int TYPE_SYSTEM   = 2;
+
+    /**
+     * Following IDs are system folders' identifiers
+     * {@link Notes#ID_ROOT_FOLDER } is default folder
+     * {@link Notes#ID_TEMPARAY_FOLDER } is for notes belonging no folder
+     * {@link Notes#ID_CALL_RECORD_FOLDER} is to store call records
+     */
+    public static final int ID_ROOT_FOLDER = 0;
+    public static final int ID_TEMPARAY_FOLDER = -1;
+    public static final int ID_CALL_RECORD_FOLDER = -2;
+    public static final int ID_TRASH_FOLER = -3;
+
+    public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date";
+    public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id";
+    public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id";
+    public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type";
+    public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id";
+    public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date";
+
+    public static final int TYPE_WIDGET_INVALIDE      = -1;
+    public static final int TYPE_WIDGET_2X            = 0;
+    public static final int TYPE_WIDGET_4X            = 1;
+
+    public static class DataConstants {
+        public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;
+        public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;
+    }
+
+    /**
+     * Uri to query all notes and folders
+     */
+    public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
+
+    /**
+     * Uri to query data
+     */
+    public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
+
+    public interface NoteColumns {
+        /**
+         * The unique ID for a row
+         * <P> Type: INTEGER (long) </P>
+         */
+        public static final String ID = "_id";
+
+        /**
+         * The parent's id for note or folder
+         * <P> Type: INTEGER (long) </P>
+         */
+        public static final String PARENT_ID = "parent_id";
+
+        /**
+         * Created data for note or folder
+         * <P> Type: INTEGER (long) </P>
+         */
+        public static final String CREATED_DATE = "created_date";
+
+        /**
+         * Latest modified date
+         * <P> Type: INTEGER (long) </P>
+         */
+        public static final String MODIFIED_DATE = "modified_date";
+
+
+        /**
+         * Alert date
+         * <P> Type: INTEGER (long) </P>
+         */
+        public static final String ALERTED_DATE = "alert_date";
+
+        /**
+         * Folder's name or text content of note
+         * <P> Type: TEXT </P>
+         */
+        public static final String SNIPPET = "snippet";
+
+        /**
+         * Note's widget id
+         * <P> Type: INTEGER (long) </P>
+         */
+        public static final String WIDGET_ID = "widget_id";
+
+        /**
+         * Note's widget type
+         * <P> Type: INTEGER (long) </P>
+         */
+        public static final String WIDGET_TYPE = "widget_type";
+
+        /**
+         * Note's background color's id
+         * <P> Type: INTEGER (long) </P>
+         */
+        public static final String BG_COLOR_ID = "bg_color_id";
+
+        /**
+         * For text note, it doesn't has attachment, for multi-media
+         * note, it has at least one attachment
+         * <P> Type: INTEGER </P>
+         */
+        public static final String HAS_ATTACHMENT = "has_attachment";
+
+        /**
+         * Folder's count of notes
+         * <P> Type: INTEGER (long) </P>
+         */
+        public static final String NOTES_COUNT = "notes_count";
+
+        /**
+         * The file type: folder or note
+         * <P> Type: INTEGER </P>
+         */
+        public static final String TYPE = "type";
+
+        /**
+         * The last sync id
+         * <P> Type: INTEGER (long) </P>
+         */
+        public static final String SYNC_ID = "sync_id";
+
+        /**
+         * Sign to indicate local modified or not
+         * <P> Type: INTEGER </P>
+         */
+        public static final String LOCAL_MODIFIED = "local_modified";
+
+        /**
+         * Original parent id before moving into temporary folder
+         * <P> Type : INTEGER </P>
+         */
+        public static final String ORIGIN_PARENT_ID = "origin_parent_id";
+
+        /**
+         * The gtask id
+         * <P> Type : TEXT </P>
+         */
+        public static final String GTASK_ID = "gtask_id";
+
+        /**
+         * The version code
+         * <P> Type : INTEGER (long) </P>
+         */
+        public static final String VERSION = "version";
+    }
+
+    public interface DataColumns {
+        /**
+         * The unique ID for a row
+         * <P> Type: INTEGER (long) </P>
+         */
+        public static final String ID = "_id";
+
+        /**
+         * The MIME type of the item represented by this row.
+         * <P> Type: Text </P>
+         */
+        public static final String MIME_TYPE = "mime_type";
+
+        /**
+         * The reference id to note that this data belongs to
+         * <P> Type: INTEGER (long) </P>
+         */
+        public static final String NOTE_ID = "note_id";
+
+        /**
+         * Created data for note or folder
+         * <P> Type: INTEGER (long) </P>
+         */
+        public static final String CREATED_DATE = "created_date";
+
+        /**
+         * Latest modified date
+         * <P> Type: INTEGER (long) </P>
+         */
+        public static final String MODIFIED_DATE = "modified_date";
+
+        /**
+         * Data's content
+         * <P> Type: TEXT </P>
+         */
+        public static final String CONTENT = "content";
+
+
+        /**
+         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
+         * integer data type
+         * <P> Type: INTEGER </P>
+         */
+        public static final String DATA1 = "data1";
+
+        /**
+         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
+         * integer data type
+         * <P> Type: INTEGER </P>
+         */
+        public static final String DATA2 = "data2";
+
+        /**
+         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
+         * TEXT data type
+         * <P> Type: TEXT </P>
+         */
+        public static final String DATA3 = "data3";
+
+        /**
+         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
+         * TEXT data type
+         * <P> Type: TEXT </P>
+         */
+        public static final String DATA4 = "data4";
+
+        /**
+         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
+         * TEXT data type
+         * <P> Type: TEXT </P>
+         */
+        public static final String DATA5 = "data5";
+    }
+
+    public static final class TextNote implements DataColumns {
+        /**
+         * Mode to indicate the text in check list mode or not
+         * <P> Type: Integer 1:check list mode 0: normal mode </P>
+         */
+        public static final String MODE = DATA1;
+
+        public static final int MODE_CHECK_LIST = 1;
+
+        public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";
+
+        public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
+
+        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
+    }
+
+    public static final class CallNote implements DataColumns {
+        /**
+         * Call date for this record
+         * <P> Type: INTEGER (long) </P>
+         */
+        public static final String CALL_DATE = DATA1;
+
+        /**
+         * Phone number for this record
+         * <P> Type: TEXT </P>
+         */
+        public static final String PHONE_NUMBER = DATA3;
+
+        public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";
+
+        public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
+
+        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
+    }
+}
diff --git a/doc/CJR_codereading/data/NotesDatabaseHelper.java b/doc/CJR_codereading/data/NotesDatabaseHelper.java
new file mode 100644
index 0000000..ffe5d57
--- /dev/null
+++ b/doc/CJR_codereading/data/NotesDatabaseHelper.java
@@ -0,0 +1,362 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.data;
+
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+import android.util.Log;
+
+import net.micode.notes.data.Notes.DataColumns;
+import net.micode.notes.data.Notes.DataConstants;
+import net.micode.notes.data.Notes.NoteColumns;
+
+
+public class NotesDatabaseHelper extends SQLiteOpenHelper {
+    private static final String DB_NAME = "note.db";
+
+    private static final int DB_VERSION = 4;
+
+    public interface TABLE {
+        public static final String NOTE = "note";
+
+        public static final String DATA = "data";
+    }
+
+    private static final String TAG = "NotesDatabaseHelper";
+
+    private static NotesDatabaseHelper mInstance;
+
+    private static final String CREATE_NOTE_TABLE_SQL =
+        "CREATE TABLE " + TABLE.NOTE + "(" +
+            NoteColumns.ID + " INTEGER PRIMARY KEY," +
+            NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
+            NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," +
+            NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," +
+            NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
+            NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," +
+            NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
+            NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," +
+            NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," +
+            NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," +
+            NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," +
+            NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," +
+            NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," +
+            NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," +
+            NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
+            NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," +
+            NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" +
+        ")";
+
+    private static final String CREATE_DATA_TABLE_SQL =
+        "CREATE TABLE " + TABLE.DATA + "(" +
+            DataColumns.ID + " INTEGER PRIMARY KEY," +
+            DataColumns.MIME_TYPE + " TEXT NOT NULL," +
+            DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," +
+            NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
+            NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
+            DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," +
+            DataColumns.DATA1 + " INTEGER," +
+            DataColumns.DATA2 + " INTEGER," +
+            DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," +
+            DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," +
+            DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" +
+        ")";
+
+    private static final String CREATE_DATA_NOTE_ID_INDEX_SQL =
+        "CREATE INDEX IF NOT EXISTS note_id_index ON " +
+        TABLE.DATA + "(" + DataColumns.NOTE_ID + ");";
+
+    /**
+     * Increase folder's note count when move note to the folder
+     */
+    private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =
+        "CREATE TRIGGER increase_folder_count_on_update "+
+        " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
+        " BEGIN " +
+        "  UPDATE " + TABLE.NOTE +
+        "   SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
+        "  WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
+        " END";
+
+    /**
+     * Decrease folder's note count when move note from folder
+     */
+    private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =
+        "CREATE TRIGGER decrease_folder_count_on_update " +
+        " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
+        " BEGIN " +
+        "  UPDATE " + TABLE.NOTE +
+        "   SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
+        "  WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
+        "  AND " + NoteColumns.NOTES_COUNT + ">0" + ";" +
+        " END";
+
+    /**
+     * Increase folder's note count when insert new note to the folder
+     */
+    private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER =
+        "CREATE TRIGGER increase_folder_count_on_insert " +
+        " AFTER INSERT ON " + TABLE.NOTE +
+        " BEGIN " +
+        "  UPDATE " + TABLE.NOTE +
+        "   SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
+        "  WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
+        " END";
+
+    /**
+     * Decrease folder's note count when delete note from the folder
+     */
+    private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER =
+        "CREATE TRIGGER decrease_folder_count_on_delete " +
+        " AFTER DELETE ON " + TABLE.NOTE +
+        " BEGIN " +
+        "  UPDATE " + TABLE.NOTE +
+        "   SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
+        "  WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
+        "  AND " + NoteColumns.NOTES_COUNT + ">0;" +
+        " END";
+
+    /**
+     * Update note's content when insert data with type {@link DataConstants#NOTE}
+     */
+    private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER =
+        "CREATE TRIGGER update_note_content_on_insert " +
+        " AFTER INSERT ON " + TABLE.DATA +
+        " WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
+        " BEGIN" +
+        "  UPDATE " + TABLE.NOTE +
+        "   SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
+        "  WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
+        " END";
+
+    /**
+     * Update note's content when data with {@link DataConstants#NOTE} type has changed
+     */
+    private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER =
+        "CREATE TRIGGER update_note_content_on_update " +
+        " AFTER UPDATE ON " + TABLE.DATA +
+        " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
+        " BEGIN" +
+        "  UPDATE " + TABLE.NOTE +
+        "   SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
+        "  WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
+        " END";
+
+    /**
+     * Update note's content when data with {@link DataConstants#NOTE} type has deleted
+     */
+    private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER =
+        "CREATE TRIGGER update_note_content_on_delete " +
+        " AFTER delete ON " + TABLE.DATA +
+        " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
+        " BEGIN" +
+        "  UPDATE " + TABLE.NOTE +
+        "   SET " + NoteColumns.SNIPPET + "=''" +
+        "  WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" +
+        " END";
+
+    /**
+     * Delete datas belong to note which has been deleted
+     */
+    private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER =
+        "CREATE TRIGGER delete_data_on_delete " +
+        " AFTER DELETE ON " + TABLE.NOTE +
+        " BEGIN" +
+        "  DELETE FROM " + TABLE.DATA +
+        "   WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" +
+        " END";
+
+    /**
+     * Delete notes belong to folder which has been deleted
+     */
+    private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER =
+        "CREATE TRIGGER folder_delete_notes_on_delete " +
+        " AFTER DELETE ON " + TABLE.NOTE +
+        " BEGIN" +
+        "  DELETE FROM " + TABLE.NOTE +
+        "   WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
+        " END";
+
+    /**
+     * Move notes belong to folder which has been moved to trash folder
+     */
+    private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER =
+        "CREATE TRIGGER folder_move_notes_on_trash " +
+        " AFTER UPDATE ON " + TABLE.NOTE +
+        " WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
+        " BEGIN" +
+        "  UPDATE " + TABLE.NOTE +
+        "   SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
+        "  WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
+        " END";
+
+    public NotesDatabaseHelper(Context context) {
+        super(context, DB_NAME, null, DB_VERSION);
+    }
+
+    public void createNoteTable(SQLiteDatabase db) {
+        db.execSQL(CREATE_NOTE_TABLE_SQL);
+        reCreateNoteTableTriggers(db);
+        createSystemFolder(db);
+        Log.d(TAG, "note table has been created");
+    }
+
+    private void reCreateNoteTableTriggers(SQLiteDatabase db) {
+        db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update");
+        db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_update");
+        db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_delete");
+        db.execSQL("DROP TRIGGER IF EXISTS delete_data_on_delete");
+        db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_insert");
+        db.execSQL("DROP TRIGGER IF EXISTS folder_delete_notes_on_delete");
+        db.execSQL("DROP TRIGGER IF EXISTS folder_move_notes_on_trash");
+
+        db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER);
+        db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER);
+        db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER);
+        db.execSQL(NOTE_DELETE_DATA_ON_DELETE_TRIGGER);
+        db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER);
+        db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER);
+        db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER);
+    }
+
+    private void createSystemFolder(SQLiteDatabase db) {
+        ContentValues values = new ContentValues();
+
+        /**
+         * call record foler for call notes
+         */
+        values.put(NoteColumns.ID, Notes.ID_CALL_RECORD_FOLDER);
+        values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
+        db.insert(TABLE.NOTE, null, values);
+
+        /**
+         * root folder which is default folder
+         */
+        values.clear();
+        values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER);
+        values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
+        db.insert(TABLE.NOTE, null, values);
+
+        /**
+         * temporary folder which is used for moving note
+         */
+        values.clear();
+        values.put(NoteColumns.ID, Notes.ID_TEMPARAY_FOLDER);
+        values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
+        db.insert(TABLE.NOTE, null, values);
+
+        /**
+         * create trash folder
+         */
+        values.clear();
+        values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
+        values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
+        db.insert(TABLE.NOTE, null, values);
+    }
+
+    public void createDataTable(SQLiteDatabase db) {
+        db.execSQL(CREATE_DATA_TABLE_SQL);
+        reCreateDataTableTriggers(db);
+        db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL);
+        Log.d(TAG, "data table has been created");
+    }
+
+    private void reCreateDataTableTriggers(SQLiteDatabase db) {
+        db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert");
+        db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_update");
+        db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_delete");
+
+        db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER);
+        db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER);
+        db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER);
+    }
+
+    static synchronized NotesDatabaseHelper getInstance(Context context) {
+        if (mInstance == null) {
+            mInstance = new NotesDatabaseHelper(context);
+        }
+        return mInstance;
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        createNoteTable(db);
+        createDataTable(db);
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        boolean reCreateTriggers = false;
+        boolean skipV2 = false;
+
+        if (oldVersion == 1) {
+            upgradeToV2(db);
+            skipV2 = true; // this upgrade including the upgrade from v2 to v3
+            oldVersion++;
+        }
+
+        if (oldVersion == 2 && !skipV2) {
+            upgradeToV3(db);
+            reCreateTriggers = true;
+            oldVersion++;
+        }
+
+        if (oldVersion == 3) {
+            upgradeToV4(db);
+            oldVersion++;
+        }
+
+        if (reCreateTriggers) {
+            reCreateNoteTableTriggers(db);
+            reCreateDataTableTriggers(db);
+        }
+
+        if (oldVersion != newVersion) {
+            throw new IllegalStateException("Upgrade notes database to version " + newVersion
+                    + "fails");
+        }
+    }
+
+    private void upgradeToV2(SQLiteDatabase db) {
+        db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE);
+        db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA);
+        createNoteTable(db);
+        createDataTable(db);
+    }
+
+    private void upgradeToV3(SQLiteDatabase db) {
+        // drop unused triggers
+        db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_insert");
+        db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_delete");
+        db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_update");
+        // add a column for gtask id
+        db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.GTASK_ID
+                + " TEXT NOT NULL DEFAULT ''");
+        // add a trash system folder
+        ContentValues values = new ContentValues();
+        values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
+        values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
+        db.insert(TABLE.NOTE, null, values);
+    }
+
+    private void upgradeToV4(SQLiteDatabase db) {
+        db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION
+                + " INTEGER NOT NULL DEFAULT 0");
+    }
+}
diff --git a/doc/CJR_codereading/data/NotesProvider.java b/doc/CJR_codereading/data/NotesProvider.java
new file mode 100644
index 0000000..edb0a60
--- /dev/null
+++ b/doc/CJR_codereading/data/NotesProvider.java
@@ -0,0 +1,305 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.data;
+
+
+import android.app.SearchManager;
+import android.content.ContentProvider;
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.content.Intent;
+import android.content.UriMatcher;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.net.Uri;
+import android.text.TextUtils;
+import android.util.Log;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes.DataColumns;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.data.NotesDatabaseHelper.TABLE;
+
+
+public class NotesProvider extends ContentProvider {
+    private static final UriMatcher mMatcher;
+
+    private NotesDatabaseHelper mHelper;
+
+    private static final String TAG = "NotesProvider";
+
+    private static final int URI_NOTE            = 1;
+    private static final int URI_NOTE_ITEM       = 2;
+    private static final int URI_DATA            = 3;
+    private static final int URI_DATA_ITEM       = 4;
+
+    private static final int URI_SEARCH          = 5;
+    private static final int URI_SEARCH_SUGGEST  = 6;
+
+    static {
+        mMatcher = new UriMatcher(UriMatcher.NO_MATCH);
+        mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE);
+        mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM);
+        mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA);
+        mMatcher.addURI(Notes.AUTHORITY, "data/#", URI_DATA_ITEM);
+        mMatcher.addURI(Notes.AUTHORITY, "search", URI_SEARCH);
+        mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY, URI_SEARCH_SUGGEST);
+        mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", URI_SEARCH_SUGGEST);
+    }
+
+    /**
+     * x'0A' represents the '\n' character in sqlite. For title and content in the search result,
+     * we will trim '\n' and white space in order to show more information.
+     */
+    private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + ","
+        + NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + ","
+        + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + ","
+        + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + ","
+        + R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + ","
+        + "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + ","
+        + "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA;
+
+    private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION
+        + " FROM " + TABLE.NOTE
+        + " WHERE " + NoteColumns.SNIPPET + " LIKE ?"
+        + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER
+        + " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE;
+
+    @Override
+    public boolean onCreate() {
+        mHelper = NotesDatabaseHelper.getInstance(getContext());
+        return true;
+    }
+
+    @Override
+    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
+            String sortOrder) {
+        Cursor c = null;
+        SQLiteDatabase db = mHelper.getReadableDatabase();
+        String id = null;
+        switch (mMatcher.match(uri)) {
+            case URI_NOTE:
+                c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null,
+                        sortOrder);
+                break;
+            case URI_NOTE_ITEM:
+                id = uri.getPathSegments().get(1);
+                c = db.query(TABLE.NOTE, projection, NoteColumns.ID + "=" + id
+                        + parseSelection(selection), selectionArgs, null, null, sortOrder);
+                break;
+            case URI_DATA:
+                c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null,
+                        sortOrder);
+                break;
+            case URI_DATA_ITEM:
+                id = uri.getPathSegments().get(1);
+                c = db.query(TABLE.DATA, projection, DataColumns.ID + "=" + id
+                        + parseSelection(selection), selectionArgs, null, null, sortOrder);
+                break;
+            case URI_SEARCH:
+            case URI_SEARCH_SUGGEST:
+                if (sortOrder != null || projection != null) {
+                    throw new IllegalArgumentException(
+                            "do not specify sortOrder, selection, selectionArgs, or projection" + "with this query");
+                }
+
+                String searchString = null;
+                if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) {
+                    if (uri.getPathSegments().size() > 1) {
+                        searchString = uri.getPathSegments().get(1);
+                    }
+                } else {
+                    searchString = uri.getQueryParameter("pattern");
+                }
+
+                if (TextUtils.isEmpty(searchString)) {
+                    return null;
+                }
+
+                try {
+                    searchString = String.format("%%%s%%", searchString);
+                    c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY,
+                            new String[] { searchString });
+                } catch (IllegalStateException ex) {
+                    Log.e(TAG, "got exception: " + ex.toString());
+                }
+                break;
+            default:
+                throw new IllegalArgumentException("Unknown URI " + uri);
+        }
+        if (c != null) {
+            c.setNotificationUri(getContext().getContentResolver(), uri);
+        }
+        return c;
+    }
+
+    @Override
+    public Uri insert(Uri uri, ContentValues values) {
+        SQLiteDatabase db = mHelper.getWritableDatabase();
+        long dataId = 0, noteId = 0, insertedId = 0;
+        switch (mMatcher.match(uri)) {
+            case URI_NOTE:
+                insertedId = noteId = db.insert(TABLE.NOTE, null, values);
+                break;
+            case URI_DATA:
+                if (values.containsKey(DataColumns.NOTE_ID)) {
+                    noteId = values.getAsLong(DataColumns.NOTE_ID);
+                } else {
+                    Log.d(TAG, "Wrong data format without note id:" + values.toString());
+                }
+                insertedId = dataId = db.insert(TABLE.DATA, null, values);
+                break;
+            default:
+                throw new IllegalArgumentException("Unknown URI " + uri);
+        }
+        // Notify the note uri
+        if (noteId > 0) {
+            getContext().getContentResolver().notifyChange(
+                    ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null);
+        }
+
+        // Notify the data uri
+        if (dataId > 0) {
+            getContext().getContentResolver().notifyChange(
+                    ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null);
+        }
+
+        return ContentUris.withAppendedId(uri, insertedId);
+    }
+
+    @Override
+    public int delete(Uri uri, String selection, String[] selectionArgs) {
+        int count = 0;
+        String id = null;
+        SQLiteDatabase db = mHelper.getWritableDatabase();
+        boolean deleteData = false;
+        switch (mMatcher.match(uri)) {
+            case URI_NOTE:
+                selection = "(" + selection + ") AND " + NoteColumns.ID + ">0 ";
+                count = db.delete(TABLE.NOTE, selection, selectionArgs);
+                break;
+            case URI_NOTE_ITEM:
+                id = uri.getPathSegments().get(1);
+                /**
+                 * ID that smaller than 0 is system folder which is not allowed to
+                 * trash
+                 */
+                long noteId = Long.valueOf(id);
+                if (noteId <= 0) {
+                    break;
+                }
+                count = db.delete(TABLE.NOTE,
+                        NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs);
+                break;
+            case URI_DATA:
+                count = db.delete(TABLE.DATA, selection, selectionArgs);
+                deleteData = true;
+                break;
+            case URI_DATA_ITEM:
+                id = uri.getPathSegments().get(1);
+                count = db.delete(TABLE.DATA,
+                        DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs);
+                deleteData = true;
+                break;
+            default:
+                throw new IllegalArgumentException("Unknown URI " + uri);
+        }
+        if (count > 0) {
+            if (deleteData) {
+                getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null);
+            }
+            getContext().getContentResolver().notifyChange(uri, null);
+        }
+        return count;
+    }
+
+    @Override
+    public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
+        int count = 0;
+        String id = null;
+        SQLiteDatabase db = mHelper.getWritableDatabase();
+        boolean updateData = false;
+        switch (mMatcher.match(uri)) {
+            case URI_NOTE:
+                increaseNoteVersion(-1, selection, selectionArgs);
+                count = db.update(TABLE.NOTE, values, selection, selectionArgs);
+                break;
+            case URI_NOTE_ITEM:
+                id = uri.getPathSegments().get(1);
+                increaseNoteVersion(Long.valueOf(id), selection, selectionArgs);
+                count = db.update(TABLE.NOTE, values, NoteColumns.ID + "=" + id
+                        + parseSelection(selection), selectionArgs);
+                break;
+            case URI_DATA:
+                count = db.update(TABLE.DATA, values, selection, selectionArgs);
+                updateData = true;
+                break;
+            case URI_DATA_ITEM:
+                id = uri.getPathSegments().get(1);
+                count = db.update(TABLE.DATA, values, DataColumns.ID + "=" + id
+                        + parseSelection(selection), selectionArgs);
+                updateData = true;
+                break;
+            default:
+                throw new IllegalArgumentException("Unknown URI " + uri);
+        }
+
+        if (count > 0) {
+            if (updateData) {
+                getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null);
+            }
+            getContext().getContentResolver().notifyChange(uri, null);
+        }
+        return count;
+    }
+
+    private String parseSelection(String selection) {
+        return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : "");
+    }
+
+    private void increaseNoteVersion(long id, String selection, String[] selectionArgs) {
+        StringBuilder sql = new StringBuilder(120);
+        sql.append("UPDATE ");
+        sql.append(TABLE.NOTE);
+        sql.append(" SET ");
+        sql.append(NoteColumns.VERSION);
+        sql.append("=" + NoteColumns.VERSION + "+1 ");
+
+        if (id > 0 || !TextUtils.isEmpty(selection)) {
+            sql.append(" WHERE ");
+        }
+        if (id > 0) {
+            sql.append(NoteColumns.ID + "=" + String.valueOf(id));
+        }
+        if (!TextUtils.isEmpty(selection)) {
+            String selectString = id > 0 ? parseSelection(selection) : selection;
+            for (String args : selectionArgs) {
+                selectString = selectString.replaceFirst("\\?", args);
+            }
+            sql.append(selectString);
+        }
+
+        mHelper.getWritableDatabase().execSQL(sql.toString());
+    }
+
+    @Override
+    public String getType(Uri uri) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+}
diff --git a/doc/CJR_codereading/model/Note.java b/doc/CJR_codereading/model/Note.java
new file mode 100644
index 0000000..6706cf6
--- /dev/null
+++ b/doc/CJR_codereading/model/Note.java
@@ -0,0 +1,253 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.model;
+import android.content.ContentProviderOperation;
+import android.content.ContentProviderResult;
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.OperationApplicationException;
+import android.net.Uri;
+import android.os.RemoteException;
+import android.util.Log;
+
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.CallNote;
+import net.micode.notes.data.Notes.DataColumns;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.data.Notes.TextNote;
+
+import java.util.ArrayList;
+
+
+public class Note {
+    private ContentValues mNoteDiffValues;
+    private NoteData mNoteData;
+    private static final String TAG = "Note";
+    /**
+     * Create a new note id for adding a new note to databases
+     */
+    public static synchronized long getNewNoteId(Context context, long folderId) {
+        // Create a new note in the database
+        ContentValues values = new ContentValues();
+        long createdTime = System.currentTimeMillis();
+        values.put(NoteColumns.CREATED_DATE, createdTime);
+        values.put(NoteColumns.MODIFIED_DATE, createdTime);
+        values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
+        values.put(NoteColumns.LOCAL_MODIFIED, 1);
+        values.put(NoteColumns.PARENT_ID, folderId);
+        Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
+
+        long noteId = 0;
+        try {
+            noteId = Long.valueOf(uri.getPathSegments().get(1));
+        } catch (NumberFormatException e) {
+            Log.e(TAG, "Get note id error :" + e.toString());
+            noteId = 0;
+        }
+        if (noteId == -1) {
+            throw new IllegalStateException("Wrong note id:" + noteId);
+        }
+        return noteId;
+    }
+
+    public Note() {
+        mNoteDiffValues = new ContentValues();
+        mNoteData = new NoteData();
+    }
+
+    public void setNoteValue(String key, String value) {
+        mNoteDiffValues.put(key, value);
+        mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
+        mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
+    }
+
+    public void setTextData(String key, String value) {
+        mNoteData.setTextData(key, value);
+    }
+
+    public void setTextDataId(long id) {
+        mNoteData.setTextDataId(id);
+    }
+
+    public long getTextDataId() {
+        return mNoteData.mTextDataId;
+    }
+
+    public void setCallDataId(long id) {
+        mNoteData.setCallDataId(id);
+    }
+
+    public void setCallData(String key, String value) {
+        mNoteData.setCallData(key, value);
+    }
+
+    public boolean isLocalModified() {
+        return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
+    }
+
+    public boolean syncNote(Context context, long noteId) {
+        if (noteId <= 0) {
+            throw new IllegalArgumentException("Wrong note id:" + noteId);
+        }
+
+        if (!isLocalModified()) {
+            return true;
+        }
+
+        /**
+         * In theory, once data changed, the note should be updated on {@link NoteColumns#LOCAL_MODIFIED} and
+         * {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the
+         * note data info
+         */
+        if (context.getContentResolver().update(
+                ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null,
+                null) == 0) {
+            Log.e(TAG, "Update note error, should not happen");
+            // Do not return, fall through
+        }
+        mNoteDiffValues.clear();
+
+        if (mNoteData.isLocalModified()
+                && (mNoteData.pushIntoContentResolver(context, noteId) == null)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    private class NoteData {
+        private long mTextDataId;
+
+        private ContentValues mTextDataValues;
+
+        private long mCallDataId;
+
+        private ContentValues mCallDataValues;
+
+        private static final String TAG = "NoteData";
+
+        public NoteData() {
+            mTextDataValues = new ContentValues();
+            mCallDataValues = new ContentValues();
+            mTextDataId = 0;
+            mCallDataId = 0;
+        }
+
+        boolean isLocalModified() {
+            return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
+        }
+
+        void setTextDataId(long id) {
+            if(id <= 0) {
+                throw new IllegalArgumentException("Text data id should larger than 0");
+            }
+            mTextDataId = id;
+        }
+
+        void setCallDataId(long id) {
+            if (id <= 0) {
+                throw new IllegalArgumentException("Call data id should larger than 0");
+            }
+            mCallDataId = id;
+        }
+
+        void setCallData(String key, String value) {
+            mCallDataValues.put(key, value);
+            mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
+            mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
+        }
+
+        void setTextData(String key, String value) {
+            mTextDataValues.put(key, value);
+            mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
+            mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
+        }
+
+        Uri pushIntoContentResolver(Context context, long noteId) {
+            /**
+             * Check for safety
+             */
+            if (noteId <= 0) {
+                throw new IllegalArgumentException("Wrong note id:" + noteId);
+            }
+
+            ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
+            ContentProviderOperation.Builder builder = null;
+
+            if(mTextDataValues.size() > 0) {
+                mTextDataValues.put(DataColumns.NOTE_ID, noteId);
+                if (mTextDataId == 0) {
+                    mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE);
+                    Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
+                            mTextDataValues);
+                    try {
+                        setTextDataId(Long.valueOf(uri.getPathSegments().get(1)));
+                    } catch (NumberFormatException e) {
+                        Log.e(TAG, "Insert new text data fail with noteId" + noteId);
+                        mTextDataValues.clear();
+                        return null;
+                    }
+                } else {
+                    builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
+                            Notes.CONTENT_DATA_URI, mTextDataId));
+                    builder.withValues(mTextDataValues);
+                    operationList.add(builder.build());
+                }
+                mTextDataValues.clear();
+            }
+
+            if(mCallDataValues.size() > 0) {
+                mCallDataValues.put(DataColumns.NOTE_ID, noteId);
+                if (mCallDataId == 0) {
+                    mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE);
+                    Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
+                            mCallDataValues);
+                    try {
+                        setCallDataId(Long.valueOf(uri.getPathSegments().get(1)));
+                    } catch (NumberFormatException e) {
+                        Log.e(TAG, "Insert new call data fail with noteId" + noteId);
+                        mCallDataValues.clear();
+                        return null;
+                    }
+                } else {
+                    builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
+                            Notes.CONTENT_DATA_URI, mCallDataId));
+                    builder.withValues(mCallDataValues);
+                    operationList.add(builder.build());
+                }
+                mCallDataValues.clear();
+            }
+
+            if (operationList.size() > 0) {
+                try {
+                    ContentProviderResult[] results = context.getContentResolver().applyBatch(
+                            Notes.AUTHORITY, operationList);
+                    return (results == null || results.length == 0 || results[0] == null) ? null
+                            : ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId);
+                } catch (RemoteException e) {
+                    Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+                    return null;
+                } catch (OperationApplicationException e) {
+                    Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+                    return null;
+                }
+            }
+            return null;
+        }
+    }
+}
diff --git a/doc/CJR_codereading/model/WorkingNote.java b/doc/CJR_codereading/model/WorkingNote.java
new file mode 100644
index 0000000..be081e4
--- /dev/null
+++ b/doc/CJR_codereading/model/WorkingNote.java
@@ -0,0 +1,368 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.model;
+
+import android.appwidget.AppWidgetManager;
+import android.content.ContentUris;
+import android.content.Context;
+import android.database.Cursor;
+import android.text.TextUtils;
+import android.util.Log;
+
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.CallNote;
+import net.micode.notes.data.Notes.DataColumns;
+import net.micode.notes.data.Notes.DataConstants;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.data.Notes.TextNote;
+import net.micode.notes.tool.ResourceParser.NoteBgResources;
+
+
+public class WorkingNote {
+    // Note for the working note
+    private Note mNote;
+    // Note Id
+    private long mNoteId;
+    // Note content
+    private String mContent;
+    // Note mode
+    private int mMode;
+
+    private long mAlertDate;
+
+    private long mModifiedDate;
+
+    private int mBgColorId;
+
+    private int mWidgetId;
+
+    private int mWidgetType;
+
+    private long mFolderId;
+
+    private Context mContext;
+
+    private static final String TAG = "WorkingNote";
+
+    private boolean mIsDeleted;
+
+    private NoteSettingChangedListener mNoteSettingStatusListener;
+
+    public static final String[] DATA_PROJECTION = new String[] {
+            DataColumns.ID,
+            DataColumns.CONTENT,
+            DataColumns.MIME_TYPE,
+            DataColumns.DATA1,
+            DataColumns.DATA2,
+            DataColumns.DATA3,
+            DataColumns.DATA4,
+    };
+
+    public static final String[] NOTE_PROJECTION = new String[] {
+            NoteColumns.PARENT_ID,
+            NoteColumns.ALERTED_DATE,
+            NoteColumns.BG_COLOR_ID,
+            NoteColumns.WIDGET_ID,
+            NoteColumns.WIDGET_TYPE,
+            NoteColumns.MODIFIED_DATE
+    };
+
+    private static final int DATA_ID_COLUMN = 0;
+
+    private static final int DATA_CONTENT_COLUMN = 1;
+
+    private static final int DATA_MIME_TYPE_COLUMN = 2;
+
+    private static final int DATA_MODE_COLUMN = 3;
+
+    private static final int NOTE_PARENT_ID_COLUMN = 0;
+
+    private static final int NOTE_ALERTED_DATE_COLUMN = 1;
+
+    private static final int NOTE_BG_COLOR_ID_COLUMN = 2;
+
+    private static final int NOTE_WIDGET_ID_COLUMN = 3;
+
+    private static final int NOTE_WIDGET_TYPE_COLUMN = 4;
+
+    private static final int NOTE_MODIFIED_DATE_COLUMN = 5;
+
+    // New note construct
+    private WorkingNote(Context context, long folderId) {
+        mContext = context;
+        mAlertDate = 0;
+        mModifiedDate = System.currentTimeMillis();
+        mFolderId = folderId;
+        mNote = new Note();
+        mNoteId = 0;
+        mIsDeleted = false;
+        mMode = 0;
+        mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
+    }
+
+    // Existing note construct
+    private WorkingNote(Context context, long noteId, long folderId) {
+        mContext = context;
+        mNoteId = noteId;
+        mFolderId = folderId;
+        mIsDeleted = false;
+        mNote = new Note();
+        loadNote();
+    }
+
+    private void loadNote() {
+        Cursor cursor = mContext.getContentResolver().query(
+                ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null,
+                null, null);
+
+        if (cursor != null) {
+            if (cursor.moveToFirst()) {
+                mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN);
+                mBgColorId = cursor.getInt(NOTE_BG_COLOR_ID_COLUMN);
+                mWidgetId = cursor.getInt(NOTE_WIDGET_ID_COLUMN);
+                mWidgetType = cursor.getInt(NOTE_WIDGET_TYPE_COLUMN);
+                mAlertDate = cursor.getLong(NOTE_ALERTED_DATE_COLUMN);
+                mModifiedDate = cursor.getLong(NOTE_MODIFIED_DATE_COLUMN);
+            }
+            cursor.close();
+        } else {
+            Log.e(TAG, "No note with id:" + mNoteId);
+            throw new IllegalArgumentException("Unable to find note with id " + mNoteId);
+        }
+        loadNoteData();
+    }
+
+    private void loadNoteData() {
+        Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION,
+                DataColumns.NOTE_ID + "=?", new String[] {
+                    String.valueOf(mNoteId)
+                }, null);
+
+        if (cursor != null) {
+            if (cursor.moveToFirst()) {
+                do {
+                    String type = cursor.getString(DATA_MIME_TYPE_COLUMN);
+                    if (DataConstants.NOTE.equals(type)) {
+                        mContent = cursor.getString(DATA_CONTENT_COLUMN);
+                        mMode = cursor.getInt(DATA_MODE_COLUMN);
+                        mNote.setTextDataId(cursor.getLong(DATA_ID_COLUMN));
+                    } else if (DataConstants.CALL_NOTE.equals(type)) {
+                        mNote.setCallDataId(cursor.getLong(DATA_ID_COLUMN));
+                    } else {
+                        Log.d(TAG, "Wrong note type with type:" + type);
+                    }
+                } while (cursor.moveToNext());
+            }
+            cursor.close();
+        } else {
+            Log.e(TAG, "No data with id:" + mNoteId);
+            throw new IllegalArgumentException("Unable to find note's data with id " + mNoteId);
+        }
+    }
+
+    public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId,
+            int widgetType, int defaultBgColorId) {
+        WorkingNote note = new WorkingNote(context, folderId);
+        note.setBgColorId(defaultBgColorId);
+        note.setWidgetId(widgetId);
+        note.setWidgetType(widgetType);
+        return note;
+    }
+
+    public static WorkingNote load(Context context, long id) {
+        return new WorkingNote(context, id, 0);
+    }
+
+    public synchronized boolean saveNote() {
+        if (isWorthSaving()) {
+            if (!existInDatabase()) {
+                if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) {
+                    Log.e(TAG, "Create new note fail with id:" + mNoteId);
+                    return false;
+                }
+            }
+
+            mNote.syncNote(mContext, mNoteId);
+
+            /**
+             * Update widget content if there exist any widget of this note
+             */
+            if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+                    && mWidgetType != Notes.TYPE_WIDGET_INVALIDE
+                    && mNoteSettingStatusListener != null) {
+                mNoteSettingStatusListener.onWidgetChanged();
+            }
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    public boolean existInDatabase() {
+        return mNoteId > 0;
+    }
+
+    private boolean isWorthSaving() {
+        if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent))
+                || (existInDatabase() && !mNote.isLocalModified())) {
+            return false;
+        } else {
+            return true;
+        }
+    }
+
+    public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) {
+        mNoteSettingStatusListener = l;
+    }
+
+    public void setAlertDate(long date, boolean set) {
+        if (date != mAlertDate) {
+            mAlertDate = date;
+            mNote.setNoteValue(NoteColumns.ALERTED_DATE, String.valueOf(mAlertDate));
+        }
+        if (mNoteSettingStatusListener != null) {
+            mNoteSettingStatusListener.onClockAlertChanged(date, set);
+        }
+    }
+
+    public void markDeleted(boolean mark) {
+        mIsDeleted = mark;
+        if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+                && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) {
+                mNoteSettingStatusListener.onWidgetChanged();
+        }
+    }
+
+    public void setBgColorId(int id) {
+        if (id != mBgColorId) {
+            mBgColorId = id;
+            if (mNoteSettingStatusListener != null) {
+                mNoteSettingStatusListener.onBackgroundColorChanged();
+            }
+            mNote.setNoteValue(NoteColumns.BG_COLOR_ID, String.valueOf(id));
+        }
+    }
+
+    public void setCheckListMode(int mode) {
+        if (mMode != mode) {
+            if (mNoteSettingStatusListener != null) {
+                mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode);
+            }
+            mMode = mode;
+            mNote.setTextData(TextNote.MODE, String.valueOf(mMode));
+        }
+    }
+
+    public void setWidgetType(int type) {
+        if (type != mWidgetType) {
+            mWidgetType = type;
+            mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType));
+        }
+    }
+
+    public void setWidgetId(int id) {
+        if (id != mWidgetId) {
+            mWidgetId = id;
+            mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId));
+        }
+    }
+
+    public void setWorkingText(String text) {
+        if (!TextUtils.equals(mContent, text)) {
+            mContent = text;
+            mNote.setTextData(DataColumns.CONTENT, mContent);
+        }
+    }
+
+    public void convertToCallNote(String phoneNumber, long callDate) {
+        mNote.setCallData(CallNote.CALL_DATE, String.valueOf(callDate));
+        mNote.setCallData(CallNote.PHONE_NUMBER, phoneNumber);
+        mNote.setNoteValue(NoteColumns.PARENT_ID, String.valueOf(Notes.ID_CALL_RECORD_FOLDER));
+    }
+
+    public boolean hasClockAlert() {
+        return (mAlertDate > 0 ? true : false);
+    }
+
+    public String getContent() {
+        return mContent;
+    }
+
+    public long getAlertDate() {
+        return mAlertDate;
+    }
+
+    public long getModifiedDate() {
+        return mModifiedDate;
+    }
+
+    public int getBgColorResId() {
+        return NoteBgResources.getNoteBgResource(mBgColorId);
+    }
+
+    public int getBgColorId() {
+        return mBgColorId;
+    }
+
+    public int getTitleBgResId() {
+        return NoteBgResources.getNoteTitleBgResource(mBgColorId);
+    }
+
+    public int getCheckListMode() {
+        return mMode;
+    }
+
+    public long getNoteId() {
+        return mNoteId;
+    }
+
+    public long getFolderId() {
+        return mFolderId;
+    }
+
+    public int getWidgetId() {
+        return mWidgetId;
+    }
+
+    public int getWidgetType() {
+        return mWidgetType;
+    }
+
+    public interface NoteSettingChangedListener {
+        /**
+         * Called when the background color of current note has just changed
+         */
+        void onBackgroundColorChanged();
+
+        /**
+         * Called when user set clock
+         */
+        void onClockAlertChanged(long date, boolean set);
+
+        /**
+         * Call when user create note from widget
+         */
+        void onWidgetChanged();
+
+        /**
+         * Call when switch between check list mode and normal mode
+         * @param oldMode is previous mode before change
+         * @param newMode is new mode
+         */
+        void onCheckListModeChanged(int oldMode, int newMode);
+    }
+}
diff --git a/doc/CJR_codereading/tool/BackupUtils.java b/doc/CJR_codereading/tool/BackupUtils.java
new file mode 100644
index 0000000..39f6ec4
--- /dev/null
+++ b/doc/CJR_codereading/tool/BackupUtils.java
@@ -0,0 +1,344 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.tool;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.os.Environment;
+import android.text.TextUtils;
+import android.text.format.DateFormat;
+import android.util.Log;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.DataColumns;
+import net.micode.notes.data.Notes.DataConstants;
+import net.micode.notes.data.Notes.NoteColumns;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.PrintStream;
+
+
+public class BackupUtils {
+    private static final String TAG = "BackupUtils";
+    // Singleton stuff
+    private static BackupUtils sInstance;
+
+    public static synchronized BackupUtils getInstance(Context context) {
+        if (sInstance == null) {
+            sInstance = new BackupUtils(context);
+        }
+        return sInstance;
+    }
+
+    /**
+     * Following states are signs to represents backup or restore
+     * status
+     */
+    // Currently, the sdcard is not mounted
+    public static final int STATE_SD_CARD_UNMOUONTED           = 0;
+    // The backup file not exist
+    public static final int STATE_BACKUP_FILE_NOT_EXIST        = 1;
+    // The data is not well formated, may be changed by other programs
+    public static final int STATE_DATA_DESTROIED               = 2;
+    // Some run-time exception which causes restore or backup fails
+    public static final int STATE_SYSTEM_ERROR                 = 3;
+    // Backup or restore success
+    public static final int STATE_SUCCESS                      = 4;
+
+    private TextExport mTextExport;
+
+    private BackupUtils(Context context) {
+        mTextExport = new TextExport(context);
+    }
+
+    private static boolean externalStorageAvailable() {
+        return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
+    }
+
+    public int exportToText() {
+        return mTextExport.exportToText();
+    }
+
+    public String getExportedTextFileName() {
+        return mTextExport.mFileName;
+    }
+
+    public String getExportedTextFileDir() {
+        return mTextExport.mFileDirectory;
+    }
+
+    private static class TextExport {
+        private static final String[] NOTE_PROJECTION = {
+                NoteColumns.ID,
+                NoteColumns.MODIFIED_DATE,
+                NoteColumns.SNIPPET,
+                NoteColumns.TYPE
+        };
+
+        private static final int NOTE_COLUMN_ID = 0;
+
+        private static final int NOTE_COLUMN_MODIFIED_DATE = 1;
+
+        private static final int NOTE_COLUMN_SNIPPET = 2;
+
+        private static final String[] DATA_PROJECTION = {
+                DataColumns.CONTENT,
+                DataColumns.MIME_TYPE,
+                DataColumns.DATA1,
+                DataColumns.DATA2,
+                DataColumns.DATA3,
+                DataColumns.DATA4,
+        };
+
+        private static final int DATA_COLUMN_CONTENT = 0;
+
+        private static final int DATA_COLUMN_MIME_TYPE = 1;
+
+        private static final int DATA_COLUMN_CALL_DATE = 2;
+
+        private static final int DATA_COLUMN_PHONE_NUMBER = 4;
+
+        private final String [] TEXT_FORMAT;
+        private static final int FORMAT_FOLDER_NAME          = 0;
+        private static final int FORMAT_NOTE_DATE            = 1;
+        private static final int FORMAT_NOTE_CONTENT         = 2;
+
+        private Context mContext;
+        private String mFileName;
+        private String mFileDirectory;
+
+        public TextExport(Context context) {
+            TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note);
+            mContext = context;
+            mFileName = "";
+            mFileDirectory = "";
+        }
+
+        private String getFormat(int id) {
+            return TEXT_FORMAT[id];
+        }
+
+        /**
+         * Export the folder identified by folder id to text
+         */
+        private void exportFolderToText(String folderId, PrintStream ps) {
+            // Query notes belong to this folder
+            Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI,
+                    NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] {
+                        folderId
+                    }, null);
+
+            if (notesCursor != null) {
+                if (notesCursor.moveToFirst()) {
+                    do {
+                        // Print note's last modified date
+                        ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format(
+                                mContext.getString(R.string.format_datetime_mdhm),
+                                notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE))));
+                        // Query data belong to this note
+                        String noteId = notesCursor.getString(NOTE_COLUMN_ID);
+                        exportNoteToText(noteId, ps);
+                    } while (notesCursor.moveToNext());
+                }
+                notesCursor.close();
+            }
+        }
+
+        /**
+         * Export note identified by id to a print stream
+         */
+        private void exportNoteToText(String noteId, PrintStream ps) {
+            Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI,
+                    DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] {
+                        noteId
+                    }, null);
+
+            if (dataCursor != null) {
+                if (dataCursor.moveToFirst()) {
+                    do {
+                        String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE);
+                        if (DataConstants.CALL_NOTE.equals(mimeType)) {
+                            // Print phone number
+                            String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER);
+                            long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE);
+                            String location = dataCursor.getString(DATA_COLUMN_CONTENT);
+
+                            if (!TextUtils.isEmpty(phoneNumber)) {
+                                ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
+                                        phoneNumber));
+                            }
+                            // Print call date
+                            ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), DateFormat
+                                    .format(mContext.getString(R.string.format_datetime_mdhm),
+                                            callDate)));
+                            // Print call attachment location
+                            if (!TextUtils.isEmpty(location)) {
+                                ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
+                                        location));
+                            }
+                        } else if (DataConstants.NOTE.equals(mimeType)) {
+                            String content = dataCursor.getString(DATA_COLUMN_CONTENT);
+                            if (!TextUtils.isEmpty(content)) {
+                                ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
+                                        content));
+                            }
+                        }
+                    } while (dataCursor.moveToNext());
+                }
+                dataCursor.close();
+            }
+            // print a line separator between note
+            try {
+                ps.write(new byte[] {
+                        Character.LINE_SEPARATOR, Character.LETTER_NUMBER
+                });
+            } catch (IOException e) {
+                Log.e(TAG, e.toString());
+            }
+        }
+
+        /**
+         * Note will be exported as text which is user readable
+         */
+        public int exportToText() {
+            if (!externalStorageAvailable()) {
+                Log.d(TAG, "Media was not mounted");
+                return STATE_SD_CARD_UNMOUONTED;
+            }
+
+            PrintStream ps = getExportToTextPrintStream();
+            if (ps == null) {
+                Log.e(TAG, "get print stream error");
+                return STATE_SYSTEM_ERROR;
+            }
+            // First export folder and its notes
+            Cursor folderCursor = mContext.getContentResolver().query(
+                    Notes.CONTENT_NOTE_URI,
+                    NOTE_PROJECTION,
+                    "(" + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + " AND "
+                            + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + ") OR "
+                            + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER, null, null);
+
+            if (folderCursor != null) {
+                if (folderCursor.moveToFirst()) {
+                    do {
+                        // Print folder's name
+                        String folderName = "";
+                        if(folderCursor.getLong(NOTE_COLUMN_ID) == Notes.ID_CALL_RECORD_FOLDER) {
+                            folderName = mContext.getString(R.string.call_record_folder_name);
+                        } else {
+                            folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET);
+                        }
+                        if (!TextUtils.isEmpty(folderName)) {
+                            ps.println(String.format(getFormat(FORMAT_FOLDER_NAME), folderName));
+                        }
+                        String folderId = folderCursor.getString(NOTE_COLUMN_ID);
+                        exportFolderToText(folderId, ps);
+                    } while (folderCursor.moveToNext());
+                }
+                folderCursor.close();
+            }
+
+            // Export notes in root's folder
+            Cursor noteCursor = mContext.getContentResolver().query(
+                    Notes.CONTENT_NOTE_URI,
+                    NOTE_PROJECTION,
+                    NoteColumns.TYPE + "=" + +Notes.TYPE_NOTE + " AND " + NoteColumns.PARENT_ID
+                            + "=0", null, null);
+
+            if (noteCursor != null) {
+                if (noteCursor.moveToFirst()) {
+                    do {
+                        ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format(
+                                mContext.getString(R.string.format_datetime_mdhm),
+                                noteCursor.getLong(NOTE_COLUMN_MODIFIED_DATE))));
+                        // Query data belong to this note
+                        String noteId = noteCursor.getString(NOTE_COLUMN_ID);
+                        exportNoteToText(noteId, ps);
+                    } while (noteCursor.moveToNext());
+                }
+                noteCursor.close();
+            }
+            ps.close();
+
+            return STATE_SUCCESS;
+        }
+
+        /**
+         * Get a print stream pointed to the file {@generateExportedTextFile}
+         */
+        private PrintStream getExportToTextPrintStream() {
+            File file = generateFileMountedOnSDcard(mContext, R.string.file_path,
+                    R.string.file_name_txt_format);
+            if (file == null) {
+                Log.e(TAG, "create file to exported failed");
+                return null;
+            }
+            mFileName = file.getName();
+            mFileDirectory = mContext.getString(R.string.file_path);
+            PrintStream ps = null;
+            try {
+                FileOutputStream fos = new FileOutputStream(file);
+                ps = new PrintStream(fos);
+            } catch (FileNotFoundException e) {
+                e.printStackTrace();
+                return null;
+            } catch (NullPointerException e) {
+                e.printStackTrace();
+                return null;
+            }
+            return ps;
+        }
+    }
+
+    /**
+     * Generate the text file to store imported data
+     */
+    private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) {
+        StringBuilder sb = new StringBuilder();
+        sb.append(Environment.getExternalStorageDirectory());
+        sb.append(context.getString(filePathResId));
+        File filedir = new File(sb.toString());
+        sb.append(context.getString(
+                fileNameFormatResId,
+                DateFormat.format(context.getString(R.string.format_date_ymd),
+                        System.currentTimeMillis())));
+        File file = new File(sb.toString());
+
+        try {
+            if (!filedir.exists()) {
+                filedir.mkdir();
+            }
+            if (!file.exists()) {
+                file.createNewFile();
+            }
+            return file;
+        } catch (SecurityException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+        return null;
+    }
+}
+
+
diff --git a/doc/CJR_codereading/tool/DataUtils.java b/doc/CJR_codereading/tool/DataUtils.java
new file mode 100644
index 0000000..2a14982
--- /dev/null
+++ b/doc/CJR_codereading/tool/DataUtils.java
@@ -0,0 +1,295 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.tool;
+
+import android.content.ContentProviderOperation;
+import android.content.ContentProviderResult;
+import android.content.ContentResolver;
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.content.OperationApplicationException;
+import android.database.Cursor;
+import android.os.RemoteException;
+import android.util.Log;
+
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.CallNote;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+
+
+public class DataUtils {
+    public static final String TAG = "DataUtils";
+    public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
+        if (ids == null) {
+            Log.d(TAG, "the ids is null");
+            return true;
+        }
+        if (ids.size() == 0) {
+            Log.d(TAG, "no id is in the hashset");
+            return true;
+        }
+
+        ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
+        for (long id : ids) {
+            if(id == Notes.ID_ROOT_FOLDER) {
+                Log.e(TAG, "Don't delete system folder root");
+                continue;
+            }
+            ContentProviderOperation.Builder builder = ContentProviderOperation
+                    .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
+            operationList.add(builder.build());
+        }
+        try {
+            ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
+            if (results == null || results.length == 0 || results[0] == null) {
+                Log.d(TAG, "delete notes failed, ids:" + ids.toString());
+                return false;
+            }
+            return true;
+        } catch (RemoteException e) {
+            Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+        } catch (OperationApplicationException e) {
+            Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+        }
+        return false;
+    }
+
+    public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) {
+        ContentValues values = new ContentValues();
+        values.put(NoteColumns.PARENT_ID, desFolderId);
+        values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId);
+        values.put(NoteColumns.LOCAL_MODIFIED, 1);
+        resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null);
+    }
+
+    public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids,
+            long folderId) {
+        if (ids == null) {
+            Log.d(TAG, "the ids is null");
+            return true;
+        }
+
+        ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
+        for (long id : ids) {
+            ContentProviderOperation.Builder builder = ContentProviderOperation
+                    .newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
+            builder.withValue(NoteColumns.PARENT_ID, folderId);
+            builder.withValue(NoteColumns.LOCAL_MODIFIED, 1);
+            operationList.add(builder.build());
+        }
+
+        try {
+            ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
+            if (results == null || results.length == 0 || results[0] == null) {
+                Log.d(TAG, "delete notes failed, ids:" + ids.toString());
+                return false;
+            }
+            return true;
+        } catch (RemoteException e) {
+            Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+        } catch (OperationApplicationException e) {
+            Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+        }
+        return false;
+    }
+
+    /**
+     * Get the all folder count except system folders {@link Notes#TYPE_SYSTEM}}
+     */
+    public static int getUserFolderCount(ContentResolver resolver) {
+        Cursor cursor =resolver.query(Notes.CONTENT_NOTE_URI,
+                new String[] { "COUNT(*)" },
+                NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
+                new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
+                null);
+
+        int count = 0;
+        if(cursor != null) {
+            if(cursor.moveToFirst()) {
+                try {
+                    count = cursor.getInt(0);
+                } catch (IndexOutOfBoundsException e) {
+                    Log.e(TAG, "get folder count failed:" + e.toString());
+                } finally {
+                    cursor.close();
+                }
+            }
+        }
+        return count;
+    }
+
+    public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {
+        Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
+                null,
+                NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
+                new String [] {String.valueOf(type)},
+                null);
+
+        boolean exist = false;
+        if (cursor != null) {
+            if (cursor.getCount() > 0) {
+                exist = true;
+            }
+            cursor.close();
+        }
+        return exist;
+    }
+
+    public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) {
+        Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
+                null, null, null, null);
+
+        boolean exist = false;
+        if (cursor != null) {
+            if (cursor.getCount() > 0) {
+                exist = true;
+            }
+            cursor.close();
+        }
+        return exist;
+    }
+
+    public static boolean existInDataDatabase(ContentResolver resolver, long dataId) {
+        Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId),
+                null, null, null, null);
+
+        boolean exist = false;
+        if (cursor != null) {
+            if (cursor.getCount() > 0) {
+                exist = true;
+            }
+            cursor.close();
+        }
+        return exist;
+    }
+
+    public static boolean checkVisibleFolderName(ContentResolver resolver, String name) {
+        Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,
+                NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER +
+                " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER +
+                " AND " + NoteColumns.SNIPPET + "=?",
+                new String[] { name }, null);
+        boolean exist = false;
+        if(cursor != null) {
+            if(cursor.getCount() > 0) {
+                exist = true;
+            }
+            cursor.close();
+        }
+        return exist;
+    }
+
+    public static HashSet<AppWidgetAttribute> getFolderNoteWidget(ContentResolver resolver, long folderId) {
+        Cursor c = resolver.query(Notes.CONTENT_NOTE_URI,
+                new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE },
+                NoteColumns.PARENT_ID + "=?",
+                new String[] { String.valueOf(folderId) },
+                null);
+
+        HashSet<AppWidgetAttribute> set = null;
+        if (c != null) {
+            if (c.moveToFirst()) {
+                set = new HashSet<AppWidgetAttribute>();
+                do {
+                    try {
+                        AppWidgetAttribute widget = new AppWidgetAttribute();
+                        widget.widgetId = c.getInt(0);
+                        widget.widgetType = c.getInt(1);
+                        set.add(widget);
+                    } catch (IndexOutOfBoundsException e) {
+                        Log.e(TAG, e.toString());
+                    }
+                } while (c.moveToNext());
+            }
+            c.close();
+        }
+        return set;
+    }
+
+    public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) {
+        Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
+                new String [] { CallNote.PHONE_NUMBER },
+                CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?",
+                new String [] { String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE },
+                null);
+
+        if (cursor != null && cursor.moveToFirst()) {
+            try {
+                return cursor.getString(0);
+            } catch (IndexOutOfBoundsException e) {
+                Log.e(TAG, "Get call number fails " + e.toString());
+            } finally {
+                cursor.close();
+            }
+        }
+        return "";
+    }
+
+    public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) {
+        Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
+                new String [] { CallNote.NOTE_ID },
+                CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL("
+                + CallNote.PHONE_NUMBER + ",?)",
+                new String [] { String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber },
+                null);
+
+        if (cursor != null) {
+            if (cursor.moveToFirst()) {
+                try {
+                    return cursor.getLong(0);
+                } catch (IndexOutOfBoundsException e) {
+                    Log.e(TAG, "Get call note id fails " + e.toString());
+                }
+            }
+            cursor.close();
+        }
+        return 0;
+    }
+
+    public static String getSnippetById(ContentResolver resolver, long noteId) {
+        Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
+                new String [] { NoteColumns.SNIPPET },
+                NoteColumns.ID + "=?",
+                new String [] { String.valueOf(noteId)},
+                null);
+
+        if (cursor != null) {
+            String snippet = "";
+            if (cursor.moveToFirst()) {
+                snippet = cursor.getString(0);
+            }
+            cursor.close();
+            return snippet;
+        }
+        throw new IllegalArgumentException("Note is not found with id: " + noteId);
+    }
+
+    public static String getFormattedSnippet(String snippet) {
+        if (snippet != null) {
+            snippet = snippet.trim();
+            int index = snippet.indexOf('\n');
+            if (index != -1) {
+                snippet = snippet.substring(0, index);
+            }
+        }
+        return snippet;
+    }
+}
diff --git a/doc/CJR_codereading/tool/GTaskStringUtils.java b/doc/CJR_codereading/tool/GTaskStringUtils.java
new file mode 100644
index 0000000..666b729
--- /dev/null
+++ b/doc/CJR_codereading/tool/GTaskStringUtils.java
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.tool;
+
+public class GTaskStringUtils {
+
+    public final static String GTASK_JSON_ACTION_ID = "action_id";
+
+    public final static String GTASK_JSON_ACTION_LIST = "action_list";
+
+    public final static String GTASK_JSON_ACTION_TYPE = "action_type";
+
+    public final static String GTASK_JSON_ACTION_TYPE_CREATE = "create";
+
+    public final static String GTASK_JSON_ACTION_TYPE_GETALL = "get_all";
+
+    public final static String GTASK_JSON_ACTION_TYPE_MOVE = "move";
+
+    public final static String GTASK_JSON_ACTION_TYPE_UPDATE = "update";
+
+    public final static String GTASK_JSON_CREATOR_ID = "creator_id";
+
+    public final static String GTASK_JSON_CHILD_ENTITY = "child_entity";
+
+    public final static String GTASK_JSON_CLIENT_VERSION = "client_version";
+
+    public final static String GTASK_JSON_COMPLETED = "completed";
+
+    public final static String GTASK_JSON_CURRENT_LIST_ID = "current_list_id";
+
+    public final static String GTASK_JSON_DEFAULT_LIST_ID = "default_list_id";
+
+    public final static String GTASK_JSON_DELETED = "deleted";
+
+    public final static String GTASK_JSON_DEST_LIST = "dest_list";
+
+    public final static String GTASK_JSON_DEST_PARENT = "dest_parent";
+
+    public final static String GTASK_JSON_DEST_PARENT_TYPE = "dest_parent_type";
+
+    public final static String GTASK_JSON_ENTITY_DELTA = "entity_delta";
+
+    public final static String GTASK_JSON_ENTITY_TYPE = "entity_type";
+
+    public final static String GTASK_JSON_GET_DELETED = "get_deleted";
+
+    public final static String GTASK_JSON_ID = "id";
+
+    public final static String GTASK_JSON_INDEX = "index";
+
+    public final static String GTASK_JSON_LAST_MODIFIED = "last_modified";
+
+    public final static String GTASK_JSON_LATEST_SYNC_POINT = "latest_sync_point";
+
+    public final static String GTASK_JSON_LIST_ID = "list_id";
+
+    public final static String GTASK_JSON_LISTS = "lists";
+
+    public final static String GTASK_JSON_NAME = "name";
+
+    public final static String GTASK_JSON_NEW_ID = "new_id";
+
+    public final static String GTASK_JSON_NOTES = "notes";
+
+    public final static String GTASK_JSON_PARENT_ID = "parent_id";
+
+    public final static String GTASK_JSON_PRIOR_SIBLING_ID = "prior_sibling_id";
+
+    public final static String GTASK_JSON_RESULTS = "results";
+
+    public final static String GTASK_JSON_SOURCE_LIST = "source_list";
+
+    public final static String GTASK_JSON_TASKS = "tasks";
+
+    public final static String GTASK_JSON_TYPE = "type";
+
+    public final static String GTASK_JSON_TYPE_GROUP = "GROUP";
+
+    public final static String GTASK_JSON_TYPE_TASK = "TASK";
+
+    public final static String GTASK_JSON_USER = "user";
+
+    public final static String MIUI_FOLDER_PREFFIX = "[MIUI_Notes]";
+
+    public final static String FOLDER_DEFAULT = "Default";
+
+    public final static String FOLDER_CALL_NOTE = "Call_Note";
+
+    public final static String FOLDER_META = "METADATA";
+
+    public final static String META_HEAD_GTASK_ID = "meta_gid";
+
+    public final static String META_HEAD_NOTE = "meta_note";
+
+    public final static String META_HEAD_DATA = "meta_data";
+
+    public final static String META_NOTE_NAME = "[META INFO] DON'T UPDATE AND DELETE";
+
+}
diff --git a/doc/CJR_codereading/tool/ResourceParser.java b/doc/CJR_codereading/tool/ResourceParser.java
new file mode 100644
index 0000000..1ad3ad6
--- /dev/null
+++ b/doc/CJR_codereading/tool/ResourceParser.java
@@ -0,0 +1,181 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.tool;
+
+import android.content.Context;
+import android.preference.PreferenceManager;
+
+import net.micode.notes.R;
+import net.micode.notes.ui.NotesPreferenceActivity;
+
+public class ResourceParser {
+
+    public static final int YELLOW           = 0;
+    public static final int BLUE             = 1;
+    public static final int WHITE            = 2;
+    public static final int GREEN            = 3;
+    public static final int RED              = 4;
+
+    public static final int BG_DEFAULT_COLOR = YELLOW;
+
+    public static final int TEXT_SMALL       = 0;
+    public static final int TEXT_MEDIUM      = 1;
+    public static final int TEXT_LARGE       = 2;
+    public static final int TEXT_SUPER       = 3;
+
+    public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM;
+
+    public static class NoteBgResources {
+        private final static int [] BG_EDIT_RESOURCES = new int [] {
+            R.drawable.edit_yellow,
+            R.drawable.edit_blue,
+            R.drawable.edit_white,
+            R.drawable.edit_green,
+            R.drawable.edit_red
+        };
+
+        private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] {
+            R.drawable.edit_title_yellow,
+            R.drawable.edit_title_blue,
+            R.drawable.edit_title_white,
+            R.drawable.edit_title_green,
+            R.drawable.edit_title_red
+        };
+
+        public static int getNoteBgResource(int id) {
+            return BG_EDIT_RESOURCES[id];
+        }
+
+        public static int getNoteTitleBgResource(int id) {
+            return BG_EDIT_TITLE_RESOURCES[id];
+        }
+    }
+
+    public static int getDefaultBgId(Context context) {
+        if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
+                NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
+            return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length);
+        } else {
+            return BG_DEFAULT_COLOR;
+        }
+    }
+
+    public static class NoteItemBgResources {
+        private final static int [] BG_FIRST_RESOURCES = new int [] {
+            R.drawable.list_yellow_up,
+            R.drawable.list_blue_up,
+            R.drawable.list_white_up,
+            R.drawable.list_green_up,
+            R.drawable.list_red_up
+        };
+
+        private final static int [] BG_NORMAL_RESOURCES = new int [] {
+            R.drawable.list_yellow_middle,
+            R.drawable.list_blue_middle,
+            R.drawable.list_white_middle,
+            R.drawable.list_green_middle,
+            R.drawable.list_red_middle
+        };
+
+        private final static int [] BG_LAST_RESOURCES = new int [] {
+            R.drawable.list_yellow_down,
+            R.drawable.list_blue_down,
+            R.drawable.list_white_down,
+            R.drawable.list_green_down,
+            R.drawable.list_red_down,
+        };
+
+        private final static int [] BG_SINGLE_RESOURCES = new int [] {
+            R.drawable.list_yellow_single,
+            R.drawable.list_blue_single,
+            R.drawable.list_white_single,
+            R.drawable.list_green_single,
+            R.drawable.list_red_single
+        };
+
+        public static int getNoteBgFirstRes(int id) {
+            return BG_FIRST_RESOURCES[id];
+        }
+
+        public static int getNoteBgLastRes(int id) {
+            return BG_LAST_RESOURCES[id];
+        }
+
+        public static int getNoteBgSingleRes(int id) {
+            return BG_SINGLE_RESOURCES[id];
+        }
+
+        public static int getNoteBgNormalRes(int id) {
+            return BG_NORMAL_RESOURCES[id];
+        }
+
+        public static int getFolderBgRes() {
+            return R.drawable.list_folder;
+        }
+    }
+
+    public static class WidgetBgResources {
+        private final static int [] BG_2X_RESOURCES = new int [] {
+            R.drawable.widget_2x_yellow,
+            R.drawable.widget_2x_blue,
+            R.drawable.widget_2x_white,
+            R.drawable.widget_2x_green,
+            R.drawable.widget_2x_red,
+        };
+
+        public static int getWidget2xBgResource(int id) {
+            return BG_2X_RESOURCES[id];
+        }
+
+        private final static int [] BG_4X_RESOURCES = new int [] {
+            R.drawable.widget_4x_yellow,
+            R.drawable.widget_4x_blue,
+            R.drawable.widget_4x_white,
+            R.drawable.widget_4x_green,
+            R.drawable.widget_4x_red
+        };
+
+        public static int getWidget4xBgResource(int id) {
+            return BG_4X_RESOURCES[id];
+        }
+    }
+
+    public static class TextAppearanceResources {
+        private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] {
+            R.style.TextAppearanceNormal,
+            R.style.TextAppearanceMedium,
+            R.style.TextAppearanceLarge,
+            R.style.TextAppearanceSuper
+        };
+
+        public static int getTexAppearanceResource(int id) {
+            /**
+             * HACKME: Fix bug of store the resource id in shared preference.
+             * The id may larger than the length of resources, in this case,
+             * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE}
+             */
+            if (id >= TEXTAPPEARANCE_RESOURCES.length) {
+                return BG_DEFAULT_FONT_SIZE;
+            }
+            return TEXTAPPEARANCE_RESOURCES[id];
+        }
+
+        public static int getResourcesSize() {
+            return TEXTAPPEARANCE_RESOURCES.length;
+        }
+    }
+}
diff --git a/doc/CJR_codereading/widget/NoteWidgetProvider.java b/doc/CJR_codereading/widget/NoteWidgetProvider.java
new file mode 100644
index 0000000..ec6f819
--- /dev/null
+++ b/doc/CJR_codereading/widget/NoteWidgetProvider.java
@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.widget;
+import android.app.PendingIntent;
+import android.appwidget.AppWidgetManager;
+import android.appwidget.AppWidgetProvider;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.Intent;
+import android.database.Cursor;
+import android.util.Log;
+import android.widget.RemoteViews;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.tool.ResourceParser;
+import net.micode.notes.ui.NoteEditActivity;
+import net.micode.notes.ui.NotesListActivity;
+
+public abstract class NoteWidgetProvider extends AppWidgetProvider {
+    public static final String [] PROJECTION = new String [] {
+        NoteColumns.ID,
+        NoteColumns.BG_COLOR_ID,
+        NoteColumns.SNIPPET
+    };
+
+    public static final int COLUMN_ID           = 0;
+    public static final int COLUMN_BG_COLOR_ID  = 1;
+    public static final int COLUMN_SNIPPET      = 2;
+
+    private static final String TAG = "NoteWidgetProvider";
+
+    @Override
+    public void onDeleted(Context context, int[] appWidgetIds) {
+        ContentValues values = new ContentValues();
+        values.put(NoteColumns.WIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
+        for (int i = 0; i < appWidgetIds.length; i++) {
+            context.getContentResolver().update(Notes.CONTENT_NOTE_URI,
+                    values,
+                    NoteColumns.WIDGET_ID + "=?",
+                    new String[] { String.valueOf(appWidgetIds[i])});
+        }
+    }
+
+    private Cursor getNoteWidgetInfo(Context context, int widgetId) {
+        return context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
+                PROJECTION,
+                NoteColumns.WIDGET_ID + "=? AND " + NoteColumns.PARENT_ID + "<>?",
+                new String[] { String.valueOf(widgetId), String.valueOf(Notes.ID_TRASH_FOLER) },
+                null);
+    }
+
+    protected void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
+        update(context, appWidgetManager, appWidgetIds, false);
+    }
+
+    private void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds,
+            boolean privacyMode) {
+        for (int i = 0; i < appWidgetIds.length; i++) {
+            if (appWidgetIds[i] != AppWidgetManager.INVALID_APPWIDGET_ID) {
+                int bgId = ResourceParser.getDefaultBgId(context);
+                String snippet = "";
+                Intent intent = new Intent(context, NoteEditActivity.class);
+                intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
+                intent.putExtra(Notes.INTENT_EXTRA_WIDGET_ID, appWidgetIds[i]);
+                intent.putExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, getWidgetType());
+
+                Cursor c = getNoteWidgetInfo(context, appWidgetIds[i]);
+                if (c != null && c.moveToFirst()) {
+                    if (c.getCount() > 1) {
+                        Log.e(TAG, "Multiple message with same widget id:" + appWidgetIds[i]);
+                        c.close();
+                        return;
+                    }
+                    snippet = c.getString(COLUMN_SNIPPET);
+                    bgId = c.getInt(COLUMN_BG_COLOR_ID);
+                    intent.putExtra(Intent.EXTRA_UID, c.getLong(COLUMN_ID));
+                    intent.setAction(Intent.ACTION_VIEW);
+                } else {
+                    snippet = context.getResources().getString(R.string.widget_havenot_content);
+                    intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
+                }
+
+                if (c != null) {
+                    c.close();
+                }
+
+                RemoteViews rv = new RemoteViews(context.getPackageName(), getLayoutId());
+                rv.setImageViewResource(R.id.widget_bg_image, getBgResourceId(bgId));
+                intent.putExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, bgId);
+                /**
+                 * Generate the pending intent to start host for the widget
+                 */
+                PendingIntent pendingIntent = null;
+                if (privacyMode) {
+                    rv.setTextViewText(R.id.widget_text,
+                            context.getString(R.string.widget_under_visit_mode));
+                    pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], new Intent(
+                            context, NotesListActivity.class), PendingIntent.FLAG_UPDATE_CURRENT);
+                } else {
+                    rv.setTextViewText(R.id.widget_text, snippet);
+                    pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], intent,
+                            PendingIntent.FLAG_UPDATE_CURRENT);
+                }
+
+                rv.setOnClickPendingIntent(R.id.widget_text, pendingIntent);
+                appWidgetManager.updateAppWidget(appWidgetIds[i], rv);
+            }
+        }
+    }
+
+    protected abstract int getBgResourceId(int bgId);
+
+    protected abstract int getLayoutId();
+
+    protected abstract int getWidgetType();
+}
diff --git a/doc/CJR_codereading/widget/NoteWidgetProvider_2x.java b/doc/CJR_codereading/widget/NoteWidgetProvider_2x.java
new file mode 100644
index 0000000..adcb2f7
--- /dev/null
+++ b/doc/CJR_codereading/widget/NoteWidgetProvider_2x.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.widget;
+
+import android.appwidget.AppWidgetManager;
+import android.content.Context;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.tool.ResourceParser;
+
+
+public class NoteWidgetProvider_2x extends NoteWidgetProvider {
+    @Override
+    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
+        super.update(context, appWidgetManager, appWidgetIds);
+    }
+
+    @Override
+    protected int getLayoutId() {
+        return R.layout.widget_2x;
+    }
+
+    @Override
+    protected int getBgResourceId(int bgId) {
+        return ResourceParser.WidgetBgResources.getWidget2xBgResource(bgId);
+    }
+
+    @Override
+    protected int getWidgetType() {
+        return Notes.TYPE_WIDGET_2X;
+    }
+}
diff --git a/doc/CJR_codereading/widget/NoteWidgetProvider_4x.java b/doc/CJR_codereading/widget/NoteWidgetProvider_4x.java
new file mode 100644
index 0000000..c12a02e
--- /dev/null
+++ b/doc/CJR_codereading/widget/NoteWidgetProvider_4x.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.widget;
+
+import android.appwidget.AppWidgetManager;
+import android.content.Context;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.tool.ResourceParser;
+
+
+public class NoteWidgetProvider_4x extends NoteWidgetProvider {
+    @Override
+    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
+        super.update(context, appWidgetManager, appWidgetIds);
+    }
+
+    protected int getLayoutId() {
+        return R.layout.widget_4x;
+    }
+
+    @Override
+    protected int getBgResourceId(int bgId) {
+        return ResourceParser.WidgetBgResources.getWidget4xBgResource(bgId);
+    }
+
+    @Override
+    protected int getWidgetType() {
+        return Notes.TYPE_WIDGET_4X;
+    }
+}
diff --git a/doc/cyw.readcode.ui/ui/AlarmAlertActivity.java b/doc/cyw.readcode.ui/ui/AlarmAlertActivity.java
new file mode 100644
index 0000000..e9fdb28
--- /dev/null
+++ b/doc/cyw.readcode.ui/ui/AlarmAlertActivity.java
@@ -0,0 +1,207 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package net.micode.notes.ui;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.content.DialogInterface.OnDismissListener;
+import android.content.Intent;
+import android.media.AudioManager;
+import android.media.MediaPlayer;
+import android.media.RingtoneManager;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.PowerManager;
+import android.provider.Settings;
+import android.view.Window;
+import android.view.WindowManager;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.tool.DataUtils;
+
+import java.io.IOException;
+
+public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
+    private long mNoteId;      //文本在数据库存储中的ID号
+    private String mSnippet;   //闹钟提示时出现的文本片段
+    private static final int SNIPPET_PREW_MAX_LEN = 60;
+    MediaPlayer mPlayer;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        //Bundle类型的数据与Map类型的数据相似，都是以key-value的形式存储数据的
+        //onsaveInstanceState方法是用来保存Activity的状态的
+        //能从onCreate的参数savedInsanceState中获得状态数据
+        requestWindowFeature(Window.FEATURE_NO_TITLE);
+        //界面显示——无标题
+
+        final Window win = getWindow();
+        win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
+
+        if (!isScreenOn()) {
+            win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
+                    //保持窗体点亮
+                    | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
+                    //将窗体点亮
+                    | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
+                    //允许窗体点亮时锁屏
+                    | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
+        }//在手机锁屏后如果到了闹钟提示时间，点亮屏幕
+
+        Intent intent = getIntent();
+
+        try {
+            mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
+            mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
+            //根据ID从数据库中获取标签的内容；
+            //getContentResolver（）是实现数据共享，实例存储。
+            mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
+                    SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
+                    : mSnippet;
+            //判断标签片段是否达到符合长度
+        } catch (IllegalArgumentException e) {
+            e.printStackTrace();
+            return;
+        }
+        /*
+        try
+        {
+        	// 代码区
+        }
+        catch(Exception e)
+        {
+        	// 异常处理
+        }
+                     代码区如果有错误，就会返回所写异常的处理。*/
+        mPlayer = new MediaPlayer();
+        if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
+            showActionDialog();
+            //弹出对话框
+            playAlarmSound();
+            //闹钟提示音激发
+        } else {
+            finish();
+            //完成闹钟动作
+        }
+    }
+
+    private boolean isScreenOn() {
+        //判断屏幕是否锁屏，调用系统函数判断，最后返回值是布尔类型
+        PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
+        return pm.isScreenOn();
+    }
+
+    private void playAlarmSound() {
+        //闹钟提示音激发
+        Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
+        //调用系统的铃声管理URI，得到闹钟提示音
+        int silentModeStreams = Settings.System.getInt(getContentResolver(),
+                Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
+
+        if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) {
+            mPlayer.setAudioStreamType(silentModeStreams);
+        } else {
+            mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
+        }
+        try {
+            mPlayer.setDataSource(this, url);
+            //方法：setDataSource(Context context, Uri uri)
+            //解释：无返回值，设置多媒体数据来源【根据 Uri】
+            mPlayer.prepare();
+            //准备同步
+            mPlayer.setLooping(true);
+            //设置是否循环播放
+            mPlayer.start();
+            //开始播放
+        } catch (IllegalArgumentException e) {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+            //e.printStackTrace()函数功能是抛出异常， 还将显示出更深的调用信息
+            //System.out.println(e)，这个方法打印出异常，并且输出在哪里出现的异常
+        } catch (SecurityException e) {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+        } catch (IllegalStateException e) {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+        } catch (IOException e) {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+        }
+    }
+
+    private void showActionDialog() {
+        AlertDialog.Builder dialog = new AlertDialog.Builder(this);
+        //AlertDialog的构造方法全部是Protected的
+        //所以不能直接通过new一个AlertDialog来创建出一个AlertDialog。
+        //要创建一个AlertDialog，就要用到AlertDialog.Builder中的create()方法
+        //如这里的dialog就是新建了一个AlertDialog
+        dialog.setTitle(R.string.app_name);
+        //为对话框设置标题
+        dialog.setMessage(mSnippet);
+        //为对话框设置内容
+        dialog.setPositiveButton(R.string.notealert_ok, this);
+        //给对话框添加"Yes"按钮
+        if (isScreenOn()) {
+            dialog.setNegativeButton(R.string.notealert_enter, this);
+        }//对话框添加"No"按钮
+        dialog.show().setOnDismissListener(this);
+    }
+
+    public void onClick(DialogInterface dialog, int which) {
+        switch (which) {
+            //用which来选择click后下一步的操作
+            case DialogInterface.BUTTON_NEGATIVE:
+                //这是取消操作
+                Intent intent = new Intent(this, NoteEditActivity.class);
+                //实现两个类间的数据传输
+                intent.setAction(Intent.ACTION_VIEW);
+                //设置动作属性
+                intent.putExtra(Intent.EXTRA_UID, mNoteId);
+                //实现key-value对
+                //EXTRA_UID为key；mNoteId为键
+                startActivity(intent);
+                //开始动作
+                break;
+            default:
+                //这是确定操作
+                break;
+        }
+    }
+
+    public void onDismiss(DialogInterface dialog) {
+        //忽略
+        stopAlarmSound();
+        //停止闹钟声音
+        finish();
+        //完成该动作
+    }
+
+    private void stopAlarmSound() {
+        if (mPlayer != null) {
+            mPlayer.stop();
+            //停止播放
+            mPlayer.release();
+            //释放MediaPlayer对象
+            mPlayer = null;
+        }
+    }
+}
diff --git a/doc/cyw.readcode.ui/ui/AlarmInitReceiver.java b/doc/cyw.readcode.ui/ui/AlarmInitReceiver.java
new file mode 100644
index 0000000..7f03f69
--- /dev/null
+++ b/doc/cyw.readcode.ui/ui/AlarmInitReceiver.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.app.AlarmManager;
+import android.app.PendingIntent;
+import android.content.BroadcastReceiver;
+import android.content.ContentUris;
+import android.content.Context;
+import android.content.Intent;
+import android.database.Cursor;
+
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+
+
+public class AlarmInitReceiver extends BroadcastReceiver {
+
+    private static final String [] PROJECTION = new String [] {
+        NoteColumns.ID,
+        NoteColumns.ALERTED_DATE
+    };
+    //对数据库的操作，调用标签ID和闹钟时间
+    private static final int COLUMN_ID                = 0;
+    private static final int COLUMN_ALERTED_DATE      = 1;
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        long currentDate = System.currentTimeMillis();
+        //System.currentTimeMillis()产生一个当前的毫秒
+        //这个毫秒其实就是自1970年1月1日0时起的毫秒数
+        Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
+                PROJECTION,
+                NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
+                new String[] { String.valueOf(currentDate) },
+                //将long变量currentDate转化为字符串
+                null);
+
+        if (c != null) {
+            if (c.moveToFirst()) {
+                do {
+                    long alertDate = c.getLong(COLUMN_ALERTED_DATE);
+                    Intent sender = new Intent(context, AlarmReceiver.class);
+                    sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID)));
+                    PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0);
+                    AlarmManager alermManager = (AlarmManager) context
+                            .getSystemService(Context.ALARM_SERVICE);
+                    alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
+                } while (c.moveToNext());
+            }
+            c.close();
+        }
+        //然而通过网上查找资料发现，对于闹钟机制的启动，通常需要上面的几个步骤
+        //如新建Intent、PendingIntent以及AlarmManager等
+        //这里就是根据数据库里的闹钟时间创建一个闹钟机制
+    }
+}
diff --git a/doc/cyw.readcode.ui/ui/AlarmReceiver.java b/doc/cyw.readcode.ui/ui/AlarmReceiver.java
new file mode 100644
index 0000000..8d7492d
--- /dev/null
+++ b/doc/cyw.readcode.ui/ui/AlarmReceiver.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+public class AlarmReceiver extends BroadcastReceiver {//类：闹钟消息接收器，从BroadcastReceiver类继承而来
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        intent.setClass(context, AlarmAlertActivity.class);
+        //启动AlarmAlertActivity
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        //activity要存在于activity的栈中，而非activity的途径启动activity时必然不存在一个activity的栈
+        //所以要新起一个栈装入启动的activity
+        context.startActivity(intent);
+    }
+}
+//这是实现alarm这个功能最接近用户层的包，基于上面的两个包，
\ No newline at end of file
diff --git a/doc/cyw.readcode.ui/ui/DateTimePicker.java b/doc/cyw.readcode.ui/ui/DateTimePicker.java
new file mode 100644
index 0000000..11a8469
--- /dev/null
+++ b/doc/cyw.readcode.ui/ui/DateTimePicker.java
@@ -0,0 +1,504 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import java.text.DateFormatSymbols;
+import java.util.Calendar;
+
+import net.micode.notes.R;
+
+
+import android.content.Context;
+import android.text.format.DateFormat;
+import android.view.View;
+import android.widget.FrameLayout;
+import android.widget.NumberPicker;
+
+public class DateTimePicker extends FrameLayout {//FrameLayout是布局模板之一
+    //所有的子元素全部在屏幕的右上方
+
+    private static final boolean DEFAULT_ENABLE_STATE = true;
+
+    private static final int HOURS_IN_HALF_DAY = 12;
+    private static final int HOURS_IN_ALL_DAY = 24;
+    private static final int DAYS_IN_ALL_WEEK = 7;
+    private static final int DATE_SPINNER_MIN_VAL = 0;
+    private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1;
+    private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0;
+    private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23;
+    private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1;
+    private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12;
+    private static final int MINUT_SPINNER_MIN_VAL = 0;
+    private static final int MINUT_SPINNER_MAX_VAL = 59;
+    private static final int AMPM_SPINNER_MIN_VAL = 0;
+    private static final int AMPM_SPINNER_MAX_VAL = 1;
+    //初始化控件
+    private final NumberPicker mDateSpinner;
+    private final NumberPicker mHourSpinner;
+    private final NumberPicker mMinuteSpinner;
+    private final NumberPicker mAmPmSpinner;
+    //NumberPicker是数字选择器
+    //这里定义的四个变量全部是在设置闹钟时需要选择的变量（如日期、时、分、上午或者下午）
+
+    private Calendar mDate;
+    //定义了Calendar类型的变量mDate，用于操作时间
+    private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
+
+    private boolean mIsAm;
+
+    private boolean mIs24HourView;
+
+    private boolean mIsEnabled = DEFAULT_ENABLE_STATE;
+
+    private boolean mInitialising;
+
+    private OnDateTimeChangedListener mOnDateTimeChangedListener;
+
+    private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() {
+        @Override
+        public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+            mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal);
+            updateDateControl();
+            onDateTimeChanged();
+        }
+    };//OnValueChangeListener，这是时间改变监听器，这里主要是对日期的监听
+    //将现在日期的值传递给mDate；updateDateControl是同步操作
+
+    private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
+        //这里是对 小时（Hour） 的监听
+        @Override
+        public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+            boolean isDateChanged = false;
+            Calendar cal = Calendar.getInstance();
+            //声明一个Calendar的变量cal，便于后续的操作
+            if (!mIs24HourView) {
+                if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) {
+                    cal.setTimeInMillis(mDate.getTimeInMillis());
+                    cal.add(Calendar.DAY_OF_YEAR, 1);
+                    isDateChanged = true;
+                    //这里是对于12小时制时，晚上11点和12点交替时对日期的更改
+                } else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
+                    cal.setTimeInMillis(mDate.getTimeInMillis());
+                    cal.add(Calendar.DAY_OF_YEAR, -1);
+                    isDateChanged = true;
+                }//这里是对于12小时制时，凌晨11点和12点交替时对日期的更改
+                if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY ||
+                        oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
+                    mIsAm = !mIsAm;
+                    updateAmPmControl();
+                }//这里是对于12小时制时，中午11点和12点交替时对AM和PM的更改
+            } else {
+                if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
+                    cal.setTimeInMillis(mDate.getTimeInMillis());
+                    cal.add(Calendar.DAY_OF_YEAR, 1);
+                    isDateChanged = true;
+                    //这里是对于24小时制时，晚上11点和12点交替时对日期的更改
+                } else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
+                    cal.setTimeInMillis(mDate.getTimeInMillis());
+                    cal.add(Calendar.DAY_OF_YEAR, -1);
+                    isDateChanged = true;
+                }
+            }//这里是对于12小时制时，凌晨11点和12点交替时对日期的更改
+            int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);
+            //通过数字选择器对newHour的赋值
+            mDate.set(Calendar.HOUR_OF_DAY, newHour);
+            //通过set函数将新的Hour值传给mDate
+            onDateTimeChanged();
+            if (isDateChanged) {
+                setCurrentYear(cal.get(Calendar.YEAR));
+                setCurrentMonth(cal.get(Calendar.MONTH));
+                setCurrentDay(cal.get(Calendar.DAY_OF_MONTH));
+            }
+        }
+    };
+
+    private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
+        @Override
+        //这里是对 分钟（Minute）改变的监听
+        public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+            int minValue = mMinuteSpinner.getMinValue();
+            int maxValue = mMinuteSpinner.getMaxValue();
+            int offset = 0;
+            //设置offset，作为小时改变的一个记录数据
+            if (oldVal == maxValue && newVal == minValue) {
+                offset += 1;
+            } else if (oldVal == minValue && newVal == maxValue) {
+                offset -= 1;
+            }//如果原值为59，新值为0，则offset加1
+            //如果原值为0，新值为59，则offset减1
+            if (offset != 0) {
+                mDate.add(Calendar.HOUR_OF_DAY, offset);
+                mHourSpinner.setValue(getCurrentHour());
+                updateDateControl();
+                int newHour = getCurrentHourOfDay();
+                if (newHour >= HOURS_IN_HALF_DAY) {
+                    mIsAm = false;
+                    updateAmPmControl();
+                } else {
+                    mIsAm = true;
+                    updateAmPmControl();
+                }
+            }
+            mDate.set(Calendar.MINUTE, newVal);
+            onDateTimeChanged();
+        }
+    };
+
+    private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
+        //对AM和PM的监听
+        @Override
+        public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+            mIsAm = !mIsAm;
+            if (mIsAm) {
+                mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY);
+            } else {
+                mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY);
+            }
+            updateAmPmControl();
+            onDateTimeChanged();
+        }
+    };
+
+    public interface OnDateTimeChangedListener {
+        void onDateTimeChanged(DateTimePicker view, int year, int month,
+                int dayOfMonth, int hourOfDay, int minute);
+    }//接口：日期变化监听器
+
+    public DateTimePicker(Context context) {
+        this(context, System.currentTimeMillis());
+    }
+//方法：实例化时间日期选择器
+    public DateTimePicker(Context context, long date) {
+        this(context, date, DateFormat.is24HourFormat(context));
+    }//通过对数据库的访问，获取当前的系统时间
+
+    public DateTimePicker(Context context, long date, boolean is24HourView) {
+        super(context);//获取系统时间
+        mDate = Calendar.getInstance();
+        mInitialising = true;
+        mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
+        inflate(context, R.layout.datetime_picker, this);
+        //如果当前Activity里用到别的layout，比如对话框layout
+        //还要设置这个layout上的其他组件的内容，就必须用inflate()方法先将对话框的layout找出来
+        //然后再用findViewById()找到它上面的其它组件
+        mDateSpinner = (NumberPicker) findViewById(R.id.date);
+        mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
+        mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
+        mDateSpinner.setOnValueChangedListener(mOnDateChangedListener);
+
+        mHourSpinner = (NumberPicker) findViewById(R.id.hour);
+        mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);
+        mMinuteSpinner =  (NumberPicker) findViewById(R.id.minute);
+        mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);
+        mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);
+        mMinuteSpinner.setOnLongPressUpdateInterval(100);
+        mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);
+
+        String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings();
+        mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm);
+        mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL);
+        mAmPmSpinner.setMaxValue(AMPM_SPINNER_MAX_VAL);
+        mAmPmSpinner.setDisplayedValues(stringsForAmPm);
+        mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);
+
+        // update controls to initial state
+        updateDateControl();
+        updateHourControl();
+        updateAmPmControl();
+
+        set24HourView(is24HourView);
+
+        // set to current time
+        setCurrentDate(date);
+
+        setEnabled(isEnabled());
+
+        // set the content descriptions
+        mInitialising = false;
+    }
+
+    @Override
+    public void setEnabled(boolean enabled) {//方法：将转轮设置为使能状态
+        if (mIsEnabled == enabled) {
+            return;
+        }
+        super.setEnabled(enabled);
+        mDateSpinner.setEnabled(enabled);//语句：分别对四个分部件设置使能
+        mMinuteSpinner.setEnabled(enabled);
+        mHourSpinner.setEnabled(enabled);
+        mAmPmSpinner.setEnabled(enabled);
+        mIsEnabled = enabled;//修改标志变量
+    }
+
+    @Override
+    public boolean isEnabled() {
+        return mIsEnabled;
+    }//函数：判断当前的时间日期选择器是否处于启用的的状态
+
+    /**
+     * Get the current date in millis
+     *
+     * @return the current date in millis
+     */
+    public long getCurrentDateInTimeMillis() {
+        return mDate.getTimeInMillis();
+    }
+//实现函数——得到当前的秒数
+    /**
+     * Set the current date
+     *
+     * @param date The current date in millis
+     */
+    public void setCurrentDate(long date) {
+        Calendar cal = Calendar.getInstance();
+        cal.setTimeInMillis(date);
+        setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH),
+                cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE));
+    }//实现函数功能——设置当前的时间，参数是date
+
+    /**
+     * Set the current date
+     *
+     * @param year The current year
+     * @param month The current month
+     * @param dayOfMonth The current dayOfMonth
+     * @param hourOfDay The current hourOfDay
+     * @param minute The current minute
+     */
+    public void setCurrentDate(int year, int month,
+            int dayOfMonth, int hourOfDay, int minute) {
+        setCurrentYear(year);
+        setCurrentMonth(month);
+        setCurrentDay(dayOfMonth);
+        setCurrentHour(hourOfDay);
+        setCurrentMinute(minute);
+    }//实现函数功能——设置当前的时间，参数是各详细的变量
+
+    /**
+     * Get current year
+     *
+     * @return The current year
+     */
+    //下面是得到year、month、day等值
+    public int getCurrentYear() {
+        return mDate.get(Calendar.YEAR);
+    }
+
+    /**
+     * Set current year
+     *
+     * @param year The current year
+     */
+    public void setCurrentYear(int year) {
+        if (!mInitialising && year == getCurrentYear()) {
+            return;
+        }
+        mDate.set(Calendar.YEAR, year);
+        updateDateControl();
+        onDateTimeChanged();
+    }
+
+    /**
+     * Get current month in the year
+     *
+     * @return The current month in the year
+     */
+    public int getCurrentMonth() {
+        return mDate.get(Calendar.MONTH);
+    }
+
+    /**
+     * Set current month in the year
+     *
+     * @param month The month in the year
+     */
+    public void setCurrentMonth(int month) {
+        if (!mInitialising && month == getCurrentMonth()) {
+            return;
+        }
+        mDate.set(Calendar.MONTH, month);
+        updateDateControl();
+        onDateTimeChanged();
+    }
+
+    /**
+     * Get current day of the month
+     *
+     * @return The day of the month
+     */
+    public int getCurrentDay() {
+        return mDate.get(Calendar.DAY_OF_MONTH);
+    }
+
+    /**
+     * Set current day of the month
+     *
+     * @param dayOfMonth The day of the month
+     */
+    public void setCurrentDay(int dayOfMonth) {
+        if (!mInitialising && dayOfMonth == getCurrentDay()) {
+            return;
+        }
+        mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
+        updateDateControl();
+        onDateTimeChanged();
+    }
+
+    /**
+     * Get current hour in 24 hour mode, in the range (0~23)
+     * @return The current hour in 24 hour mode
+     */
+    public int getCurrentHourOfDay() {
+        return mDate.get(Calendar.HOUR_OF_DAY);
+    }
+
+    private int getCurrentHour() {
+        if (mIs24HourView){
+            return getCurrentHourOfDay();
+        } else {
+            int hour = getCurrentHourOfDay();
+            if (hour > HOURS_IN_HALF_DAY) {
+                return hour - HOURS_IN_HALF_DAY;
+            } else {
+                return hour == 0 ? HOURS_IN_HALF_DAY : hour;
+            }
+        }
+    }
+
+    /**
+     * Set current hour in 24 hour mode, in the range (0~23)
+     *
+     * @param hourOfDay
+     */
+    public void setCurrentHour(int hourOfDay) {
+        if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {
+            return;
+        }
+        mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
+        if (!mIs24HourView) {
+            if (hourOfDay >= HOURS_IN_HALF_DAY) {
+                mIsAm = false;
+                if (hourOfDay > HOURS_IN_HALF_DAY) {
+                    hourOfDay -= HOURS_IN_HALF_DAY;
+                }
+            } else {
+                mIsAm = true;
+                if (hourOfDay == 0) {
+                    hourOfDay = HOURS_IN_HALF_DAY;
+                }
+            }
+            updateAmPmControl();
+        }
+        mHourSpinner.setValue(hourOfDay);
+        onDateTimeChanged();
+    }
+
+    /**
+     * Get currentMinute
+     *
+     * @return The Current Minute
+     */
+    public int getCurrentMinute() {
+        return mDate.get(Calendar.MINUTE);
+    }
+
+    /**
+     * Set current minute
+     */
+    public void setCurrentMinute(int minute) {
+        if (!mInitialising && minute == getCurrentMinute()) {
+            return;
+        }
+        mMinuteSpinner.setValue(minute);
+        mDate.set(Calendar.MINUTE, minute);
+        onDateTimeChanged();
+    }
+
+    /**
+     * @return true if this is in 24 hour view else false.
+     */
+    public boolean is24HourView () {
+        return mIs24HourView;
+    }
+
+    /**
+     * Set whether in 24 hour or AM/PM mode.
+     *
+     * @param is24HourView True for 24 hour mode. False for AM/PM mode.
+     */
+    public void set24HourView(boolean is24HourView) {//函数：设置24小时下的视图
+        if (mIs24HourView == is24HourView) {
+            return;
+        }
+        mIs24HourView = is24HourView;
+        mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);// 语句：如果为12小时视图则显示上下午选择
+        int hour = getCurrentHourOfDay();
+        updateHourControl();
+        setCurrentHour(hour);
+        updateAmPmControl();
+    }
+
+    private void updateDateControl() {
+        Calendar cal = Calendar.getInstance();
+        cal.setTimeInMillis(mDate.getTimeInMillis());
+        cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);
+        mDateSpinner.setDisplayedValues(null);
+        for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) {
+            cal.add(Calendar.DAY_OF_YEAR, 1);
+            mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal);
+        }
+        mDateSpinner.setDisplayedValues(mDateDisplayValues);
+        mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
+        mDateSpinner.invalidate();
+    }// 对于星期几的算法
+
+    private void updateAmPmControl() {
+        if (mIs24HourView) {
+            mAmPmSpinner.setVisibility(View.GONE);
+        } else {
+            int index = mIsAm ? Calendar.AM : Calendar.PM;
+            mAmPmSpinner.setValue(index);
+            mAmPmSpinner.setVisibility(View.VISIBLE);
+        }// 对于上下午操作的算法
+    }
+
+    private void updateHourControl() {
+        if (mIs24HourView) {
+            mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
+            mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);
+        } else {
+            mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
+            mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
+        }// 对与小时的算法
+    }
+
+    /**
+     * Set the callback that indicates the 'Set' button has been pressed.
+     * @param callback the callback, if null will do nothing
+     */
+    public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
+        //函数：根据参数设置时间日期监听器
+        mOnDateTimeChangedListener = callback;
+    }
+
+    private void onDateTimeChanged() {//函数：监听日期时间的变化
+        if (mOnDateTimeChangedListener != null) {
+            mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
+                    getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
+        }
+    }
+}
diff --git a/doc/cyw.readcode.ui/ui/DateTimePickerDialog.java b/doc/cyw.readcode.ui/ui/DateTimePickerDialog.java
new file mode 100644
index 0000000..b35a4cf
--- /dev/null
+++ b/doc/cyw.readcode.ui/ui/DateTimePickerDialog.java
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import java.util.Calendar;
+
+import net.micode.notes.R;
+import net.micode.notes.ui.DateTimePicker;
+import net.micode.notes.ui.DateTimePicker.OnDateTimeChangedListener;
+
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.text.format.DateFormat;
+import android.text.format.DateUtils;
+
+public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
+
+    private Calendar mDate = Calendar.getInstance();
+    //创建一个Calendar类型的变量 mDate，方便时间的操作
+    private boolean mIs24HourView;
+    private OnDateTimeSetListener mOnDateTimeSetListener;
+    //声明一个时间日期滚动选择控件 mOnDateTimeSetListener
+    private DateTimePicker mDateTimePicker;
+    //DateTimePicker控件，控件一般用于让用户可以从日期列表中选择单个值。
+    //运行时，单击控件边上的下拉箭头，会显示为两个部分：一个下拉列表，一个用于选择日期的
+    public interface OnDateTimeSetListener {
+        //设置一个接口当时期时间设置时进行的操作
+        void OnDateTimeSet(AlertDialog dialog, long date);
+    }
+
+    public DateTimePickerDialog(Context context, long date) {
+        //对该界面对话框的实例化
+        super(context);
+        //对数据库的操作
+        mDateTimePicker = new DateTimePicker(context);
+        setView(mDateTimePicker);//添加一个子视图
+        mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
+            public void onDateTimeChanged(DateTimePicker view, int year, int month,
+                    int dayOfMonth, int hourOfDay, int minute) {
+                mDate.set(Calendar.YEAR, year);
+                mDate.set(Calendar.MONTH, month);
+                mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
+                mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
+                mDate.set(Calendar.MINUTE, minute);//将视图中的各选项设置为系统当前时间
+                updateTitle(mDate.getTimeInMillis());
+            }
+        });
+        mDate.setTimeInMillis(date);//得到系统时间
+        mDate.set(Calendar.SECOND, 0);//将秒数设置为0
+        mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
+        setButton(context.getString(R.string.datetime_dialog_ok), this);
+        setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);//设置按钮
+        set24HourView(DateFormat.is24HourFormat(this.getContext()));//时间标准化打印
+        updateTitle(mDate.getTimeInMillis());
+    }//将时间日期滚动选择控件实例化
+
+    public void set24HourView(boolean is24HourView) {
+        mIs24HourView = is24HourView;
+    }
+
+    public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
+        mOnDateTimeSetListener = callBack;
+    }//将时间日期滚动选择控件实例化
+
+    private void updateTitle(long date) {
+        int flag =
+            DateUtils.FORMAT_SHOW_YEAR |
+            DateUtils.FORMAT_SHOW_DATE |
+            DateUtils.FORMAT_SHOW_TIME;
+        flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
+        setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
+    }//android开发中常见日期管理工具类（API）——DateUtils：按照上下午显示时间
+
+    public void onClick(DialogInterface arg0, int arg1) {
+        if (mOnDateTimeSetListener != null) {
+            mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());
+        }
+    }//第一个参数arg0是接收到点击事件的对话框
+    //第二个参数arg1是该对话框上的按钮
+}
\ No newline at end of file
diff --git a/doc/cyw.readcode.ui/ui/DropdownMenu.java b/doc/cyw.readcode.ui/ui/DropdownMenu.java
new file mode 100644
index 0000000..0c4b307
--- /dev/null
+++ b/doc/cyw.readcode.ui/ui/DropdownMenu.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+import android.widget.PopupMenu;
+import android.widget.PopupMenu.OnMenuItemClickListener;
+
+import net.micode.notes.R;
+
+public class DropdownMenu {
+    private Button mButton;
+    private PopupMenu mPopupMenu;
+    //声明一个下拉菜单
+    private Menu mMenu;
+
+    public DropdownMenu(Context context, Button button, int menuId) {
+        mButton = button;
+        mButton.setBackgroundResource(R.drawable.dropdown_icon);
+        //设置这个view的背景
+        mPopupMenu = new PopupMenu(context, mButton);
+        mMenu = mPopupMenu.getMenu();
+        mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
+        //MenuInflater是用来实例化Menu目录下的Menu布局文件
+        //根据ID来确认menu的内容选项
+        mButton.setOnClickListener(new OnClickListener() {
+            public void onClick(View v) {
+                mPopupMenu.show();
+            }
+        });
+    }
+
+    public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
+        if (mPopupMenu != null) {
+            mPopupMenu.setOnMenuItemClickListener(listener);
+        }//设置菜单的监听
+    }
+
+    public MenuItem findItem(int id) {
+        return mMenu.findItem(id);
+    }//对于菜单选项的初始化，根据索引搜索菜单需要的选项
+
+    public void setTitle(CharSequence title) {
+        mButton.setText(title);
+    }//布局文件，设置标题
+}
\ No newline at end of file
diff --git a/doc/cyw.readcode.ui/ui/FoldersListAdapter.java b/doc/cyw.readcode.ui/ui/FoldersListAdapter.java
new file mode 100644
index 0000000..2c5853d
--- /dev/null
+++ b/doc/cyw.readcode.ui/ui/FoldersListAdapter.java
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CursorAdapter;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+
+
+public class FoldersListAdapter extends CursorAdapter {
+    //CursorAdapter是Cursor和ListView的接口
+    //FoldersListAdapter继承了CursorAdapter的类
+    //主要作用是便签数据库和用户的交互
+    //这里就是用folder（文件夹）的形式展现给用户
+    public static final String [] PROJECTION = {
+            NoteColumns.ID,
+            NoteColumns.SNIPPET
+    };//调用数据库中便签的ID和片段
+
+    public static final int ID_COLUMN   = 0;
+    public static final int NAME_COLUMN = 1;
+
+    public FoldersListAdapter(Context context, Cursor c) {
+        super(context, c);
+        // TODO Auto-generated constructor stub
+    }//数据库操作
+
+    @Override
+    public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        //ViewGroup是容器
+        return new FolderListItem(context);
+    }//创建一个文件夹，对于各文件夹中子标签的初始化
+
+    @Override
+    public void bindView(View view, Context context, Cursor cursor) {
+        if (view instanceof FolderListItem) {
+            String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
+                    .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
+            ((FolderListItem) view).bind(folderName);
+        }
+    }//将各个布局文件绑定起来
+
+    public String getFolderName(Context context, int position) {
+        Cursor cursor = (Cursor) getItem(position);
+        return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
+                .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
+    }//根据数据库中标签的ID得到标签的各项内容
+
+    private class FolderListItem extends LinearLayout {
+        private TextView mName;
+
+        public FolderListItem(Context context) {
+            super(context);
+            //操作数据库
+            inflate(context, R.layout.folder_list_item, this);
+            //根据布局文件的名字等信息将其找出来
+            mName = (TextView) findViewById(R.id.tv_folder_name);
+        }
+
+        public void bind(String name) {
+            mName.setText(name);//设置名字
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/doc/cyw.readcode.ui/ui/NoteEditActivity.java b/doc/cyw.readcode.ui/ui/NoteEditActivity.java
new file mode 100644
index 0000000..9bbbb97
--- /dev/null
+++ b/doc/cyw.readcode.ui/ui/NoteEditActivity.java
@@ -0,0 +1,1083 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.app.Activity;
+import android.app.AlarmManager;
+import android.app.AlertDialog;
+import android.app.PendingIntent;
+import android.app.SearchManager;
+import android.appwidget.AppWidgetManager;
+import android.content.ContentUris;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.graphics.Paint;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.text.Spannable;
+import android.text.SpannableString;
+import android.text.TextUtils;
+import android.text.format.DateUtils;
+import android.text.style.BackgroundColorSpan;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.WindowManager;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.CompoundButton.OnCheckedChangeListener;
+import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.TextNote;
+import net.micode.notes.model.WorkingNote;
+import net.micode.notes.model.WorkingNote.NoteSettingChangedListener;
+import net.micode.notes.tool.DataUtils;
+import net.micode.notes.tool.ResourceParser;
+import net.micode.notes.tool.ResourceParser.TextAppearanceResources;
+import net.micode.notes.ui.DateTimePickerDialog.OnDateTimeSetListener;
+import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener;
+import net.micode.notes.widget.NoteWidgetProvider_2x;
+import net.micode.notes.widget.NoteWidgetProvider_4x;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+
+public class NoteEditActivity extends Activity implements OnClickListener,
+        NoteSettingChangedListener, OnTextViewChangeListener {
+    //该类主要是针对标签的编辑
+    //继承了系统内部许多和监听有关的类
+    private class HeadViewHolder {
+        public TextView tvModified;
+
+        public ImageView ivAlertIcon;
+
+        public TextView tvAlertDate;
+
+        public ImageView ibSetBgColor;
+    }
+    //使用Map实现数据存储
+    private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>();
+    static {
+        sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
+        sBgSelectorBtnsMap.put(R.id.iv_bg_red, ResourceParser.RED);
+        sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE);
+        sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN);
+        sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE);
+        //put函数是将指定值和指定键相连
+    }
+
+    private static final Map<Integer, Integer> sBgSelectorSelectionMap = new HashMap<Integer, Integer>();
+    static {
+        sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select);
+        sBgSelectorSelectionMap.put(ResourceParser.RED, R.id.iv_bg_red_select);
+        sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select);
+        sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select);
+        sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select);
+        //put函数是将指定值和指定键相连
+    }
+
+    private static final Map<Integer, Integer> sFontSizeBtnsMap = new HashMap<Integer, Integer>();
+    static {
+        sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE);
+        sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL);
+        sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM);
+        sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER);
+        //put函数是将指定值和指定键相连
+    }
+
+    private static final Map<Integer, Integer> sFontSelectorSelectionMap = new HashMap<Integer, Integer>();
+    static {
+        sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select);
+        sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select);
+        sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select);
+        sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select);
+        //put函数是将指定值和指定键相连
+    }
+
+    private static final String TAG = "NoteEditActivity";
+
+    private HeadViewHolder mNoteHeaderHolder;
+
+    private View mHeadViewPanel;
+    //私有化一个界面操作mHeadViewPanel，对表头的操作
+    private View mNoteBgColorSelector;
+    //私有化一个界面操作mNoteBgColorSelector，对背景颜色的操作
+    private View mFontSizeSelector;
+    //私有化一个界面操作mFontSizeSelector，对标签字体的操作
+    private EditText mNoteEditor;
+    //声明编辑控件，对文本操作
+    private View mNoteEditorPanel;
+    //私有化一个界面操作mNoteEditorPanel，文本编辑的控制板
+    //private WorkingNote mWorkingNote;
+    public WorkingNote mWorkingNote;
+    //对模板WorkingNote的初始化
+    private SharedPreferences mSharedPrefs;
+    //私有化SharedPreferences的数据存储方式
+    //它的本质是基于XML文件存储key-value键值对数据
+    private int mFontSizeId;
+    //用于操作字体的大小
+    private static final String PREFERENCE_FONT_SIZE = "pref_font_size";
+
+    private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10;
+
+    public static final String TAG_CHECKED = String.valueOf('\u221A');
+    public static final String TAG_UNCHECKED = String.valueOf('\u25A1');
+
+    private LinearLayout mEditTextList;
+    //线性布局
+    private String mUserQuery;
+    private Pattern mPattern;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        this.setContentView(R.layout.note_edit);
+        //对数据库的访问操作
+        if (savedInstanceState == null && !initActivityState(getIntent())) {
+            finish();
+            return;
+        }
+        initResources();
+    }
+
+    /**
+     * Current activity may be killed when the memory is low. Once it is killed, for another time
+     * user load this activity, we should restore the former state
+     */
+    @Override
+    protected void onRestoreInstanceState(Bundle savedInstanceState) {
+        super.onRestoreInstanceState(savedInstanceState);
+        if (savedInstanceState != null && savedInstanceState.containsKey(Intent.EXTRA_UID)) {
+            Intent intent = new Intent(Intent.ACTION_VIEW);
+            intent.putExtra(Intent.EXTRA_UID, savedInstanceState.getLong(Intent.EXTRA_UID));
+            if (!initActivityState(intent)) {
+                finish();
+                return;
+            }
+            Log.d(TAG, "Restoring from killed activity");
+        }//为防止内存不足时程序的终止，在这里有一个保存现场的函数
+    }
+
+    private boolean initActivityState(Intent intent) {
+        /**
+         * If the user specified the {@link Intent#ACTION_VIEW} but not provided with id,
+         * then jump to the NotesListActivity
+         */
+        mWorkingNote = null;
+        if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {
+            long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0);
+            mUserQuery = "";
+            //如果用户实例化标签时，系统并未给出标签ID
+            /**
+             * Starting from the searched result
+             */
+            //根据键值查找ID
+            if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {
+                noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
+                mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY);
+            }
+            //如果ID在数据库中未找到
+            if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) {
+                Intent jump = new Intent(this, NotesListActivity.class);
+                startActivity(jump);
+                //程序将跳转到上面声明的intent——jump
+                showToast(R.string.error_note_not_exist);
+                finish();
+                return false;
+            }
+            //ID在数据库中找到
+            else {
+                mWorkingNote = WorkingNote.load(this, noteId);
+                if (mWorkingNote == null) {
+                    Log.e(TAG, "load note failed with note id" + noteId);
+                    //打印出红色的错误信息
+                    finish();
+                    return false;
+                }
+            }
+            //setSoftInputMode——软键盘输入模式
+            getWindow().setSoftInputMode(
+                    WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
+                            | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
+        } else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) {
+            // intent.getAction()
+            // 大多用于broadcast发送广播时给机制（intent）设置一个action，就是一个字符串
+            // 用户可以通过receive（接受）intent，通过 getAction得到的字符串，来决定做什么
+            long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0);
+            int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID,
+                    AppWidgetManager.INVALID_APPWIDGET_ID);
+            int widgetType = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_TYPE,
+                    Notes.TYPE_WIDGET_INVALIDE);
+            int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID,
+                    ResourceParser.getDefaultBgId(this));
+            // intent.getInt（Long、String）Extra是对各变量的语法分析
+            // Parse call-record note
+            String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
+            long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);
+            if (callDate != 0 && phoneNumber != null) {
+                if (TextUtils.isEmpty(phoneNumber)) {
+                    Log.w(TAG, "The call record number is null");
+                }
+                long noteId = 0;
+                if ((noteId = DataUtils.getNoteIdByPhoneNumberAndCallDate(getContentResolver(),
+                        phoneNumber, callDate)) > 0) {
+                    mWorkingNote = WorkingNote.load(this, noteId);
+                    if (mWorkingNote == null) {
+                        Log.e(TAG, "load call note failed with note id" + noteId);
+                        finish();
+                        return false;
+                    }
+                    //将电话号码与手机的号码簿相关
+                } else {
+                    mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId,
+                            widgetType, bgResId);
+                    mWorkingNote.convertToCallNote(phoneNumber, callDate);
+                    //
+                }
+            } else {
+                mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType,
+                        bgResId);
+            }//创建一个新的WorkingNote
+
+            getWindow().setSoftInputMode(
+                    WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
+                            | WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
+        } else {
+            Log.e(TAG, "Intent not specified action, should not support");
+            finish();
+            return false;
+        }
+        mWorkingNote.setOnSettingStatusChangedListener(this);
+        return true;
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        initNoteScreen();
+    }
+
+    private void initNoteScreen() {
+        //对界面的初始化操作
+        mNoteEditor.setTextAppearance(this, TextAppearanceResources
+                .getTexAppearanceResource(mFontSizeId));
+        //设置外观
+        if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+            switchToListMode(mWorkingNote.getContent());
+        } else {
+            mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
+            mNoteEditor.setSelection(mNoteEditor.getText().length());
+        }
+        for (Integer id : sBgSelectorSelectionMap.keySet()) {
+            findViewById(sBgSelectorSelectionMap.get(id)).setVisibility(View.GONE);
+        }
+        mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
+        mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
+
+        mNoteHeaderHolder.tvModified.setText(DateUtils.formatDateTime(this,
+                mWorkingNote.getModifiedDate(), DateUtils.FORMAT_SHOW_DATE
+                        | DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_TIME
+                        | DateUtils.FORMAT_SHOW_YEAR));
+
+        /**
+         * TODO: Add the menu for setting alert. Currently disable it because the DateTimePicker
+         * is not ready
+         */
+        showAlertHeader();
+    }
+    //设置闹钟的显示
+    private void showAlertHeader() {
+        if (mWorkingNote.hasClockAlert()) {
+            long time = System.currentTimeMillis();
+            if (time > mWorkingNote.getAlertDate()) {
+                mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired);
+            }
+            //如果系统时间大于了闹钟设置的时间，那么闹钟失效
+            else {
+                mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString(
+                        mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS));
+            }
+            mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE);
+            mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE);
+            //显示闹钟开启的图标
+        } else {
+            mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE);
+            mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE);
+        };
+    }
+
+    @Override
+    protected void onNewIntent(Intent intent) {
+        super.onNewIntent(intent);
+        initActivityState(intent);
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        /**
+         * For new note without note id, we should firstly save it to
+         * generate a id. If the editing note is not worth saving, there
+         * is no id which is equivalent to create new note
+         */
+        if (!mWorkingNote.existInDatabase()) {
+            saveNote();
+        }
+        //在创建一个新的标签时，先在数据库中匹配
+        //如果不存在，那么先在数据库中存储
+        outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId());
+        Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState");
+    }
+
+    @Override
+    //MotionEvent是对屏幕触控的传递机制
+    public boolean dispatchTouchEvent(MotionEvent ev) {
+        if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
+                && !inRangeOfView(mNoteBgColorSelector, ev)) {
+            mNoteBgColorSelector.setVisibility(View.GONE);
+            return true;
+        }//颜色选择器在屏幕上可见
+
+        if (mFontSizeSelector.getVisibility() == View.VISIBLE
+                && !inRangeOfView(mFontSizeSelector, ev)) {
+            mFontSizeSelector.setVisibility(View.GONE);
+            return true;
+        }//字体大小选择器在屏幕上可见
+        return super.dispatchTouchEvent(ev);
+    }
+    //对屏幕触控的坐标进行操作
+    private boolean inRangeOfView(View view, MotionEvent ev) {
+        int []location = new int[2];
+        view.getLocationOnScreen(location);
+        int x = location[0];
+        int y = location[1];
+        if (ev.getX() < x
+                || ev.getX() > (x + view.getWidth())
+                || ev.getY() < y
+                || ev.getY() > (y + view.getHeight()))
+        //如果触控的位置超出了给定的范围，返回false
+        {
+            return false;
+        }
+        return true;
+    }
+
+    private void initResources() {
+        mHeadViewPanel = findViewById(R.id.note_title);
+        mNoteHeaderHolder = new HeadViewHolder();
+        mNoteHeaderHolder.tvModified = (TextView) findViewById(R.id.tv_modified_date);
+        mNoteHeaderHolder.ivAlertIcon = (ImageView) findViewById(R.id.iv_alert_icon);
+        mNoteHeaderHolder.tvAlertDate = (TextView) findViewById(R.id.tv_alert_date);
+        mNoteHeaderHolder.ibSetBgColor = (ImageView) findViewById(R.id.btn_set_bg_color);
+        mNoteHeaderHolder.ibSetBgColor.setOnClickListener(this);
+        mNoteEditor = (EditText) findViewById(R.id.note_edit_view);
+        mNoteEditorPanel = findViewById(R.id.sv_note_edit);
+        mNoteBgColorSelector = findViewById(R.id.note_bg_color_selector);
+        for (int id : sBgSelectorBtnsMap.keySet()) {
+            ImageView iv = (ImageView) findViewById(id);
+            iv.setOnClickListener(this);
+        }//对标签各项属性内容的初始化
+
+        mFontSizeSelector = findViewById(R.id.font_size_selector);
+        for (int id : sFontSizeBtnsMap.keySet()) {
+            View view = findViewById(id);
+            view.setOnClickListener(this);
+        };//对字体大小的选择
+        mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
+        mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);
+        /**
+         * HACKME: Fix bug of store the resource id in shared preference.
+         * The id may larger than the length of resources, in this case,
+         * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE}
+         */
+        if(mFontSizeId >= TextAppearanceResources.getResourcesSize()) {
+            mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE;
+        }
+        mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list);
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        if(saveNote()) {
+            Log.d(TAG, "Note data was saved with length:" + mWorkingNote.getContent().length());
+        }
+        clearSettingState();
+    }
+    //和桌面小工具的同步
+    private void updateWidget() {
+        Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
+        if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) {
+            intent.setClass(this, NoteWidgetProvider_2x.class);
+        } else if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_4X) {
+            intent.setClass(this, NoteWidgetProvider_4x.class);
+        } else {
+            Log.e(TAG, "Unspported widget type");
+            return;
+        }
+
+        intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
+                mWorkingNote.getWidgetId()
+        });
+
+        sendBroadcast(intent);
+        setResult(RESULT_OK, intent);
+    }
+
+    public void onClick(View v) {
+        int id = v.getId();
+        if (id == R.id.btn_set_bg_color) {
+            mNoteBgColorSelector.setVisibility(View.VISIBLE);
+            findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
+                    -                    View.VISIBLE);
+        } else if (sBgSelectorBtnsMap.containsKey(id)) {
+            findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
+                    View.GONE);
+            mWorkingNote.setBgColorId(sBgSelectorBtnsMap.get(id));
+            mNoteBgColorSelector.setVisibility(View.GONE);
+        } else if (sFontSizeBtnsMap.containsKey(id)) {
+            findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.GONE);
+            mFontSizeId = sFontSizeBtnsMap.get(id);
+            mSharedPrefs.edit().putInt(PREFERENCE_FONT_SIZE, mFontSizeId).commit();
+            findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
+            if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+                getWorkingText();
+                switchToListMode(mWorkingNote.getContent());
+            } else {
+                mNoteEditor.setTextAppearance(this,
+                        TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
+            }
+            mFontSizeSelector.setVisibility(View.GONE);
+        }
+    }//************************存在问题
+
+    @Override
+    public void onBackPressed() {
+        if(clearSettingState()) {
+            return;
+        }
+
+        saveNote();
+        super.onBackPressed();
+    }
+
+    private boolean clearSettingState() {
+        if (mNoteBgColorSelector.getVisibility() == View.VISIBLE) {
+            mNoteBgColorSelector.setVisibility(View.GONE);
+            return true;
+        } else if (mFontSizeSelector.getVisibility() == View.VISIBLE) {
+            mFontSizeSelector.setVisibility(View.GONE);
+            return true;
+        }
+        return false;
+    }
+
+    public void onBackgroundColorChanged() {
+        findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
+                View.VISIBLE);
+        mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
+        mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
+    }
+
+    @Override
+    //对选择菜单的准备
+    public boolean onPrepareOptionsMenu(Menu menu) {
+        if (isFinishing()) {
+            return true;
+        }
+        clearSettingState();
+        menu.clear();
+        if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) {
+            getMenuInflater().inflate(R.menu.call_note_edit, menu);
+            // MenuInflater是用来实例化Menu目录下的Menu布局文件的
+        } else {
+            getMenuInflater().inflate(R.menu.note_edit, menu);
+        }
+        if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+            menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_normal_mode);
+        } else {
+            menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_list_mode);
+        }
+        if (mWorkingNote.hasClockAlert()) {
+            menu.findItem(R.id.menu_alert).setVisible(false);
+        } else {
+            menu.findItem(R.id.menu_delete_remind).setVisible(false);
+        }
+        return true;
+    }
+
+    @Override
+    /*
+     * 函数功能：动态改变菜单选项内容
+     * 函数实现：如下注释
+     */
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            //根据菜单的id来编剧相关项目
+            case R.id.menu_new_note:
+                //创建一个新的便签
+                createNewNote();
+                break;
+            case R.id.menu_delete:
+                //删除便签
+                AlertDialog.Builder builder = new AlertDialog.Builder(this);
+                //创建关于删除操作的对话框
+                builder.setTitle(getString(R.string.alert_title_delete));
+                // 设置标签的标题为alert_title_delete
+                builder.setIcon(android.R.drawable.ic_dialog_alert);
+                //设置对话框图标
+                builder.setMessage(getString(R.string.alert_message_delete_note));
+                //设置对话框内容
+                builder.setPositiveButton(android.R.string.ok,
+                        new DialogInterface.OnClickListener() {
+                            //建立按键监听器
+                            public void onClick(DialogInterface dialog, int which) {
+                                //点击所触发事件
+                                deleteCurrentNote();
+                                //  删除单签便签
+                                finish();
+                            }
+                        });
+                //添加“YES”按钮
+                builder.setNegativeButton(android.R.string.cancel, null);
+                //添加“NO”的按钮
+                builder.show();
+                //显示对话框
+                break;
+            case R.id.menu_font_size:
+                //字体大小的编辑
+                mFontSizeSelector.setVisibility(View.VISIBLE);
+                // 将字体选择器置为可见
+                findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
+                // 通过id找到相应的大小
+                break;
+            case R.id.menu_list_mode:
+                //选择列表模式
+                mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ?
+                        TextNote.MODE_CHECK_LIST : 0);
+                break;
+            case R.id.menu_share:
+                //菜单共享
+                getWorkingText();
+                sendTo(this, mWorkingNote.getContent());
+                // 用sendto函数将运行文本发送到遍历的本文内
+                break;
+            case R.id.menu_send_to_desktop:
+                //发送到桌面
+                sendToDesktop();
+                break;
+            case R.id.menu_alert:
+                //创建提醒器
+                setReminder();
+                break;
+            case R.id.menu_delete_remind:
+                //删除日期提醒
+                mWorkingNote.setAlertDate(0, false);
+                break;
+            default:
+                break;
+        }
+        return true;
+    }
+
+    /*
+     * 函数功能：建立事件提醒器
+     * 函数实现：如下注释
+     */
+    private void setReminder() {
+        DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis());
+        // 建立修改时间日期的对话框
+        d.setOnDateTimeSetListener(new OnDateTimeSetListener() {
+            public void OnDateTimeSet(AlertDialog dialog, long date) {
+                mWorkingNote.setAlertDate(date	, true);
+                //选择提醒的日期
+            }
+        });
+        //建立时间日期的监听器
+        d.show();
+        //显示对话框
+    }
+
+    /**
+     * Share note to apps that support {@link Intent#ACTION_SEND} action
+     * and {@text/plain} type
+     */
+    /*
+     * 函数功能：共享便签
+     * 函数实现：如下注释
+     */
+    private void sendTo(Context context, String info) {
+        Intent intent = new Intent(Intent.ACTION_SEND);
+        //建立intent链接选项
+        intent.putExtra(Intent.EXTRA_TEXT, info);
+        //将需要传递的便签信息放入text文件中
+        intent.setType("text/plain");
+        //编辑连接器的类型
+        context.startActivity(intent);
+        //在acti中进行链接
+    }
+
+    /*
+     * 函数功能：创建一个新的便签
+     * 函数实现：如下注释
+     */
+    private void createNewNote() {
+        // Firstly, save current editing notes
+        //保存当前便签
+        saveNote();
+
+        // For safety, start a new NoteEditActivity
+        finish();
+        Intent intent = new Intent(this, NoteEditActivity.class);
+        //设置链接器
+        intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
+        //该活动定义为创建或编辑
+        intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId());
+        //将运行便签的id添加到INTENT_EXTRA_FOLDER_ID标记中
+        startActivity(intent);
+        //开始activity并链接
+    }
+
+    /*
+     * 函数功能：删除当前便签
+     * 函数实现：如下注释
+     */
+    private void deleteCurrentNote() {
+        if (mWorkingNote.existInDatabase()) {
+            //假如当前运行的便签内存有数据
+            HashSet<Long> ids = new HashSet<Long>();
+            long id = mWorkingNote.getNoteId();
+            if (id != Notes.ID_ROOT_FOLDER) {
+                ids.add(id);
+                //如果不是头文件夹建立一个hash表把便签id存起来
+            } else {
+                Log.d(TAG, "Wrong note id, should not happen");
+                //否则报错
+            }
+            if (!isSyncMode()) {
+                //在非同步模式情况下
+                //删除操作
+                if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) {
+                    Log.e(TAG, "Delete Note error");
+                }
+            } else {
+                //同步模式
+                //移动至垃圾文件夹的操作
+                if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) {
+                    Log.e(TAG, "Move notes to trash folder error, should not happens");
+                }
+            }
+        }
+        mWorkingNote.markDeleted(true);
+        //将这些标签的删除标记置为true
+    }
+
+    /*
+     * 函数功能：判断是否为同步模式
+     * 函数实现：直接看NotesPreferenceActivity中同步名称是否为空
+     */
+    private boolean isSyncMode() {
+        return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
+    }
+
+    /*
+     * 函数功能：设置提醒时间
+     * 函数实现：如下注释
+     */
+    public void onClockAlertChanged(long date, boolean set) {
+        /**
+         * User could set clock to an unsaved note, so before setting the
+         * alert clock, we should save the note first
+         */
+        if (!mWorkingNote.existInDatabase()) {
+            //首先保存已有的便签
+            saveNote();
+        }
+        if (mWorkingNote.getNoteId() > 0) {
+            Intent intent = new Intent(this, AlarmReceiver.class);
+            intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId()));
+            //若有有运行的便签就是建立一个链接器将标签id都存在uri中
+            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
+            AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE));
+            //设置提醒管理器
+            showAlertHeader();
+            if(!set) {
+                alarmManager.cancel(pendingIntent);
+            } else {
+                alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent);
+            }
+            //如果用户设置了时间，就通过提醒管理器设置一个监听事项
+        } else {
+            /**
+             * There is the condition that user has input nothing (the note is
+             * not worthy saving), we have no note id, remind the user that he
+             * should input something
+             */
+            //没有运行的便签就报错
+            Log.e(TAG, "Clock alert setting error");
+            showToast(R.string.error_note_empty_for_clock);
+        }
+    }
+
+    /*
+     * 函数功能：Widget发生改变的所触发的事件
+     */
+    public void onWidgetChanged() {
+        updateWidget();//更新Widget
+    }
+
+    /*
+     * 函数功能： 删除编辑文本框所触发的事件
+     * 函数实现：如下注释
+     */
+    public void onEditTextDelete(int index, String text) {
+        int childCount = mEditTextList.getChildCount();
+        if (childCount == 1) {
+            return;
+        }
+        //没有编辑框的话直接返回
+        for (int i = index + 1; i < childCount; i++) {
+            ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
+                    .setIndex(i - 1);
+            //通过id把编辑框存在便签编辑框中
+        }
+
+        mEditTextList.removeViewAt(index);
+        //删除特定位置的视图
+        NoteEditText edit = null;
+        if(index == 0) {
+            edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById(
+                    R.id.et_edit_text);
+        } else {
+            edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById(
+                    R.id.et_edit_text);
+        }
+        //通过id把编辑框存在空的NoteEditText中
+        int length = edit.length();
+        edit.append(text);
+        edit.requestFocus();//请求优先完成该此 编辑
+        edit.setSelection(length);//定位到length位置处的条目
+    }
+
+    /*
+     * 函数功能：进入编辑文本框所触发的事件
+     * 函数实现：如下注释
+     */
+    public void onEditTextEnter(int index, String text) {
+        /**
+         * Should not happen, check for debug
+         */
+        if(index > mEditTextList.getChildCount()) {
+            Log.e(TAG, "Index out of mEditTextList boundrary, should not happen");
+            //越界把偶偶
+        }
+
+        View view = getListItem(text, index);
+        mEditTextList.addView(view, index);
+        //建立一个新的视图并添加到编辑文本框内
+        NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
+        edit.requestFocus();//请求优先操作
+        edit.setSelection(0);//定位到起始位置
+        for (int i = index + 1; i < mEditTextList.getChildCount(); i++) {
+            ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
+                    .setIndex(i);
+            //遍历子文本框并设置对应对下标
+        }
+    }
+
+    /*
+     * 函数功能：切换至列表模式
+     * 函数实现：如下注释
+     */
+    private void switchToListMode(String text) {
+        mEditTextList.removeAllViews();
+        String[] items = text.split("\n");
+        int index = 0;
+        //清空所有视图，初始化下标
+        for (String item : items) {
+            if(!TextUtils.isEmpty(item)) {
+                mEditTextList.addView(getListItem(item, index));
+                index++;
+                //遍历所有文本单元并添加到文本框中
+            }
+        }
+        mEditTextList.addView(getListItem("", index));
+        mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus();
+        //优先请求此操作
+
+        mNoteEditor.setVisibility(View.GONE);
+        //便签编辑器不可见
+        mEditTextList.setVisibility(View.VISIBLE);
+        //将文本编辑框置为可见
+    }
+
+    /*
+     * 函数功能：获取高亮效果的反馈情况
+     * 函数实现：如下注释
+     */
+    private Spannable getHighlightQueryResult(String fullText, String userQuery) {
+        SpannableString spannable = new SpannableString(fullText == null ? "" : fullText);
+        //新建一个效果选项
+        if (!TextUtils.isEmpty(userQuery)) {
+            mPattern = Pattern.compile(userQuery);
+            //将用户的询问进行解析
+            Matcher m = mPattern.matcher(fullText);
+            //建立一个状态机检查Pattern并进行匹配
+            int start = 0;
+            while (m.find(start)) {
+                spannable.setSpan(
+                        new BackgroundColorSpan(this.getResources().getColor(
+                                R.color.user_query_highlight)), m.start(), m.end(),
+                        Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
+                //设置背景颜色
+                start = m.end();
+                //跟新起始位置
+            }
+        }
+        return spannable;
+    }
+
+    /*
+     * 函数功能：获取列表项
+     * 函数实现：如下注释
+     */
+    private View getListItem(String item, int index) {
+        View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null);
+        //创建一个视图
+        final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
+        edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
+        //创建一个文本编辑框并设置可见性
+        CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
+        cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
+            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+                if (isChecked) {
+                    edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
+                } else {
+                    edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
+                }
+            }
+        });
+        //建立一个打钩框并设置监听器
+
+        if (item.startsWith(TAG_CHECKED)) {
+            //选择勾选
+            cb.setChecked(true);
+            edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
+            item = item.substring(TAG_CHECKED.length(), item.length()).trim();
+        } else if (item.startsWith(TAG_UNCHECKED)) {
+            //选择不勾选
+            cb.setChecked(false);
+            edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
+            item = item.substring(TAG_UNCHECKED.length(), item.length()).trim();
+        }
+
+        edit.setOnTextViewChangeListener(this);
+        edit.setIndex(index);
+        edit.setText(getHighlightQueryResult(item, mUserQuery));
+        //运行编辑框的监听器对该行为作出反应，并设置下标及文本内容
+        return view;
+    }
+
+    /*
+     * 函数功能：便签内容发生改变所 触发的事件
+     * 函数实现：如下注释
+     */
+    public void onTextChange(int index, boolean hasText) {
+        if (index >= mEditTextList.getChildCount()) {
+            Log.e(TAG, "Wrong index, should not happen");
+            return;
+            //越界报错
+        }
+        if(hasText) {
+            mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE);
+        } else {
+            mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE);
+        }
+        //如果内容不为空则将其子编辑框可见性置为可见，否则不可见
+    }
+
+    /*
+     * 函数功能：检查模式和列表模式的切换
+     * 函数实现：如下注释
+     */
+    public void onCheckListModeChanged(int oldMode, int newMode) {
+        if (newMode == TextNote.MODE_CHECK_LIST) {
+            switchToListMode(mNoteEditor.getText().toString());
+            //检查模式切换到列表模式
+        } else {
+            if (!getWorkingText()) {
+                mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ",
+                        ""));
+            }
+            //若是获取到文本就改变其检查标记
+            mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
+            mEditTextList.setVisibility(View.GONE);
+            mNoteEditor.setVisibility(View.VISIBLE);
+            //修改文本编辑器的内容和可见性
+        }
+    }
+
+    /*
+     * 函数功能：设置勾选选项表并返回是否勾选的标记
+     * 函数实现：如下注释
+     */
+    private boolean getWorkingText() {
+        boolean hasChecked = false;
+        //初始化check标记
+        if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+            // 若模式为CHECK_LIST
+            StringBuilder sb = new StringBuilder();
+            //创建可变字符串
+            for (int i = 0; i < mEditTextList.getChildCount(); i++) {
+                View view = mEditTextList.getChildAt(i);
+                //遍历所有子编辑框的视图
+                NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
+                if (!TextUtils.isEmpty(edit.getText())) {
+                    //若文本不为空
+                    if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) {
+                        //该选项框已打钩
+                        sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n");
+                        hasChecked = true;
+                        //扩展字符串为已打钩并把标记置true
+                    } else {
+                        sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n");
+                        //扩展字符串添加未打钩
+                    }
+                }
+            }
+            mWorkingNote.setWorkingText(sb.toString());
+            //利用编辑好的字符串设置运行便签的内容
+        } else {
+            mWorkingNote.setWorkingText(mNoteEditor.getText().toString());
+            // 若不是该模式直接用编辑器中的内容设置运行中标签的内容
+        }
+        return hasChecked;
+    }
+
+    /*
+     * 函数功能：保存便签
+     * 函数实现：如下注释
+     */
+    private boolean saveNote() {
+        getWorkingText();
+        boolean saved = mWorkingNote.saveNote();
+        //运行 getWorkingText()之后保存
+        if (saved) {
+            /**
+             * There are two modes from List view to edit view, open one note,
+             * create/edit a node. Opening node requires to the original
+             * position in the list when back from edit view, while creating a
+             * new node requires to the top of the list. This code
+             * {@link #RESULT_OK} is used to identify the create/edit state
+             */
+            //如英文注释所说链接RESULT_OK是为了识别保存的2种情况，一是创建后保存，二是修改后保存
+            setResult(RESULT_OK);
+        }
+        return saved;
+    }
+
+    /*
+     * 函数功能：将便签发送至桌面
+     * 函数实现：如下注释
+     */
+    private void sendToDesktop() {
+        /**
+         * Before send message to home, we should make sure that current
+         * editing note is exists in databases. So, for new note, firstly
+         * save it
+         */
+        if (!mWorkingNote.existInDatabase()) {
+            saveNote();
+            //若不存在数据也就是新的标签就保存起来先
+        }
+
+        if (mWorkingNote.getNoteId() > 0) {
+            //若是有内容
+            Intent sender = new Intent();
+            Intent shortcutIntent = new Intent(this, NoteEditActivity.class);
+            //建立发送到桌面的连接器
+            shortcutIntent.setAction(Intent.ACTION_VIEW);
+            //链接为一个视图
+            shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId());
+            sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
+            sender.putExtra(Intent.EXTRA_SHORTCUT_NAME,
+                    makeShortcutIconTitle(mWorkingNote.getContent()));
+            sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
+                    Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app));
+            sender.putExtra("duplicate", true);
+            //将便签的相关信息都添加到要发送的文件里
+            sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
+            //设置sneder的行为是发送
+            showToast(R.string.info_note_enter_desktop);
+            sendBroadcast(sender);
+            //显示到桌面
+        } else {
+            /**
+             * There is the condition that user has input nothing (the note is
+             * not worthy saving), we have no note id, remind the user that he
+             * should input something
+             */
+            Log.e(TAG, "Send to desktop error");
+            showToast(R.string.error_note_empty_for_send_to_desktop);
+            //空便签直接报错
+        }
+    }
+
+    /*
+     * 函数功能：编辑小图标的标题
+     * 函数实现：如下注释
+     */
+    private String makeShortcutIconTitle(String content) {
+        content = content.replace(TAG_CHECKED, "");
+        content = content.replace(TAG_UNCHECKED, "");
+        return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ? content.substring(0,
+                SHORTCUT_ICON_TITLE_MAX_LEN) : content;
+        //直接设置为content中的内容并返回，有勾选和未勾选2种
+    }
+
+    /*
+     * 函数功能：显示提示的视图
+     * 函数实现：根据下标显示对应的提示
+     */
+    private void showToast(int resId) {
+        showToast(resId, Toast.LENGTH_SHORT);
+    }
+
+    /*
+     * 函数功能：持续显示提示的视图
+     * 函数实现：根据下标和持续的时间（duration）编辑提示视图并显示
+     */
+    private void showToast(int resId, int duration) {
+        Toast.makeText(this, resId, duration).show();
+    }
+}
diff --git a/doc/cyw.readcode.ui/ui/NoteEditText.java b/doc/cyw.readcode.ui/ui/NoteEditText.java
new file mode 100644
index 0000000..334ebd6
--- /dev/null
+++ b/doc/cyw.readcode.ui/ui/NoteEditText.java
@@ -0,0 +1,286 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.graphics.Rect;
+import android.text.Layout;
+import android.text.Selection;
+import android.text.Spanned;
+import android.text.TextUtils;
+import android.text.style.URLSpan;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.ContextMenu;
+import android.view.KeyEvent;
+import android.view.MenuItem;
+import android.view.MenuItem.OnMenuItemClickListener;
+import android.view.MotionEvent;
+import android.widget.EditText;
+
+import net.micode.notes.R;
+
+import java.util.HashMap;
+import java.util.Map;
+
+//继承edittext，设置便签设置文本框
+public class NoteEditText extends EditText {
+    private static final String TAG = "NoteEditText";
+    private int mIndex;
+    private int mSelectionStartBeforeDelete;
+
+    private static final String SCHEME_TEL = "tel:" ;
+    private static final String SCHEME_HTTP = "http:" ;
+    private static final String SCHEME_EMAIL = "mailto:" ;
+
+    ///建立一个字符和整数的hash表，用于链接电话，网站，还有邮箱
+    private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>();
+    static {
+        sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel);
+        sSchemaActionResMap.put(SCHEME_HTTP, R.string.note_link_web);
+        sSchemaActionResMap.put(SCHEME_EMAIL, R.string.note_link_email);
+    }
+
+    /**
+     * Call by the {@link NoteEditActivity} to delete or add edit text
+     */
+    //在NoteEditActivity中删除或添加文本的操作，可以看做是一个文本是否被变的标记，英文注释已说明的很清楚
+    public interface OnTextViewChangeListener {
+        /**
+         * Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens
+         * and the text is null
+         */
+        //处理删除按键时的操作
+        void onEditTextDelete(int index, String text);
+
+        /**
+         * Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER}
+         * happen
+         */
+        //处理进入按键时的操作
+        void onEditTextEnter(int index, String text);
+
+        /**
+         * Hide or show item option when text change
+         */
+        void onTextChange(int index, boolean hasText);
+    }
+
+    private OnTextViewChangeListener mOnTextViewChangeListener;
+
+    //根据context设置文本
+    public NoteEditText(Context context) {
+        super(context, null);//用super引用父类变量
+        mIndex = 0;
+    }
+
+    //设置当前光标
+    public void setIndex(int index) {
+        mIndex = index;
+    }
+
+    //初始化文本修改标记
+    public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
+        mOnTextViewChangeListener = listener;
+    }
+
+    //AttributeSet 百度了一下是自定义空控件属性，用于维护便签动态变化的属性
+    //初始化便签
+    public NoteEditText(Context context, AttributeSet    attrs) {
+        super(context, attrs, android.R.attr.editTextStyle);
+    }
+
+    // 根据defstyle自动初始化
+    public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        // TODO Auto-generated construct or stub
+    }
+
+    @Override
+    //view里的函数，处理手机屏幕的所有事件
+    /*参数event为手机屏幕触摸事件封装类的对象，其中封装了该事件的所有信息，
+                例如触摸的位置、触摸的类型以及触摸的时间等。该对象会在用户触摸手机屏幕时被创建。*/
+    public boolean onTouchEvent(MotionEvent event) {
+        switch (event.getAction()) {
+            //重写了需要处理屏幕被按下的事件
+            case MotionEvent.ACTION_DOWN:
+                //跟新当前坐标值
+                int x = (int) event.getX();
+                int y = (int) event.getY();
+                x -= getTotalPaddingLeft();
+                y -= getTotalPaddingTop();
+                x += getScrollX();
+                y += getScrollY();
+
+                //用布局控件layout根据x,y的新值设置新的位置
+                Layout layout = getLayout();
+                int line = layout.getLineForVertical(y);
+                int off = layout.getOffsetForHorizontal(line, x);
+
+                //更新光标新的位置
+                Selection.setSelection(getText(), off);
+                break;
+        }
+
+        return super.onTouchEvent(event);
+    }
+
+    @Override
+    /*
+     * 函数功能：处理用户按下一个键盘按键时会触发 的事件
+     * 实现过程：如下注释
+     */
+    public boolean onKeyDown(int keyCode, KeyEvent event) {
+        switch (keyCode) {
+            //根据按键的 Unicode 编码值来处理
+            case KeyEvent.KEYCODE_ENTER:
+                //“进入”按键
+                if (mOnTextViewChangeListener != null) {
+                    return false;
+                }
+                break;
+            case KeyEvent.KEYCODE_DEL:
+                //“删除”按键
+                mSelectionStartBeforeDelete = getSelectionStart();
+                break;
+            default:
+                break;
+        }
+        //继续执行父类的其他点击事件
+        return super.onKeyDown(keyCode, event);
+    }
+
+    @Override
+    /*
+     * 函数功能：处理用户松开一个键盘按键时会触发 的事件
+     * 实现方式：如下注释
+     */
+    public boolean onKeyUp(int keyCode, KeyEvent event) {
+        switch(keyCode) {
+            //根据按键的 Unicode 编码值来处理，有删除和进入2种操作
+            case KeyEvent.KEYCODE_DEL:
+                if (mOnTextViewChangeListener != null) {
+                    //若是被修改过
+                    if (0 == mSelectionStartBeforeDelete && mIndex != 0) {
+                        //若之前有被修改并且文档不为空
+                        mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString());
+                        //利用上文OnTextViewChangeListener对KEYCODE_DEL按键情况的删除函数进行删除
+                        return true;
+                    }
+                } else {
+                    Log.d(TAG, "OnTextViewChangeListener was not seted");
+                    //其他情况报错，文档的改动监听器并没有建立
+                }
+                break;
+            case KeyEvent.KEYCODE_ENTER:
+                //同上也是分为监听器是否建立2种情况
+                if (mOnTextViewChangeListener != null) {
+                    int selectionStart = getSelectionStart();
+                    //获取当前位置
+                    String text = getText().subSequence(selectionStart, length()).toString();
+                    //获取当前文本
+                    setText(getText().subSequence(0, selectionStart));
+                    //根据获取的文本设置当前文本
+                    mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);
+                    //当{@link KeyEvent#KEYCODE_ENTER}添加新文本
+                } else {
+                    Log.d(TAG, "OnTextViewChangeListener was not seted");
+                    //其他情况报错，文档的改动监听器并没有建立
+                }
+                break;
+            default:
+                break;
+        }
+        //继续执行父类的其他按键弹起的事件
+        return super.onKeyUp(keyCode, event);
+    }
+
+    @Override
+    /*
+     * 函数功能：当焦点发生变化时，会自动调用该方法来处理焦点改变的事件
+     * 实现方式：如下注释
+     * 参数：focused表示触发该事件的View是否获得了焦点，当该控件获得焦点时，Focused等于true，否则等于false。
+           direction表示焦点移动的方向，用数值表示
+           Rect：表示在触发事件的View的坐标系中，前一个获得焦点的矩形区域，即表示焦点是从哪里来的。如果不可用则为null
+     */
+    protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
+        if (mOnTextViewChangeListener != null) {
+            //若监听器已经建立
+            if (!focused && TextUtils.isEmpty(getText())) {
+                //获取到焦点并且文本不为空
+                mOnTextViewChangeListener.onTextChange(mIndex, false);
+                //mOnTextViewChangeListener子函数，置false隐藏事件选项
+            } else {
+                mOnTextViewChangeListener.onTextChange(mIndex, true);
+                //mOnTextViewChangeListener子函数，置true显示事件选项
+            }
+        }
+        //继续执行父类的其他焦点变化的事件
+        super.onFocusChanged(focused, direction, previouslyFocusedRect);
+    }
+
+    @Override
+    /*
+     * 函数功能：生成上下文菜单
+     * 函数实现：如下注释
+     */
+    protected void onCreateContextMenu(ContextMenu menu) {
+        if (getText() instanceof Spanned) {
+            //有文本存在
+            int selStart = getSelectionStart();
+            int selEnd = getSelectionEnd();
+            //获取文本开始和结尾位置
+
+            int min = Math.min(selStart, selEnd);
+            int max = Math.max(selStart, selEnd);
+            //获取开始到结尾的最大值和最小值
+
+            final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class);
+            //设置url的信息的范围值
+            if (urls.length == 1) {
+                int defaultResId = 0;
+                for(String schema: sSchemaActionResMap.keySet()) {
+                    //获取计划表中所有的key值
+                    if(urls[0].getURL().indexOf(schema) >= 0) {
+                        //若url可以添加则在添加后将defaultResId置为key所映射的值
+                        defaultResId = sSchemaActionResMap.get(schema);
+                        break;
+                    }
+                }
+
+                if (defaultResId == 0) {
+                    //defaultResId == 0则说明url并没有添加任何东西，所以置为连接其他SchemaActionResMap的值
+                    defaultResId = R.string.note_link_other;
+                }
+
+                //建立菜单
+                menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener(
+                        new OnMenuItemClickListener() {
+                            //新建按键监听器
+                            public boolean onMenuItemClick(MenuItem item) {
+                                // goto a new intent
+                                urls[0].onClick(NoteEditText.this);
+                                //根据相应的文本设置菜单的按键
+                                return true;
+                            }
+                        });
+            }
+        }
+        //继续执行父类的其他菜单创建的事件
+        super.onCreateContextMenu(menu);
+    }
+}
diff --git a/doc/cyw.readcode.ui/ui/NoteItemData.java b/doc/cyw.readcode.ui/ui/NoteItemData.java
new file mode 100644
index 0000000..ff52c1f
--- /dev/null
+++ b/doc/cyw.readcode.ui/ui/NoteItemData.java
@@ -0,0 +1,230 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.text.TextUtils;
+
+import net.micode.notes.data.Contact;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.tool.DataUtils;
+
+
+public class NoteItemData {
+    static final String [] PROJECTION = new String [] {
+            NoteColumns.ID,
+            NoteColumns.ALERTED_DATE,
+            NoteColumns.BG_COLOR_ID,
+            NoteColumns.CREATED_DATE,
+            NoteColumns.HAS_ATTACHMENT,
+            NoteColumns.MODIFIED_DATE,
+            NoteColumns.NOTES_COUNT,
+            NoteColumns.PARENT_ID,
+            NoteColumns.SNIPPET,
+            NoteColumns.TYPE,
+            NoteColumns.WIDGET_ID,
+            NoteColumns.WIDGET_TYPE,
+    };
+    //常量标记和数据就不一一标记了，意义翻译基本就知道
+    private static final int ID_COLUMN                    = 0;
+    private static final int ALERTED_DATE_COLUMN          = 1;
+    private static final int BG_COLOR_ID_COLUMN           = 2;
+    private static final int CREATED_DATE_COLUMN          = 3;
+    private static final int HAS_ATTACHMENT_COLUMN        = 4;
+    private static final int MODIFIED_DATE_COLUMN         = 5;
+    private static final int NOTES_COUNT_COLUMN           = 6;
+    private static final int PARENT_ID_COLUMN             = 7;
+    private static final int SNIPPET_COLUMN               = 8;
+    private static final int TYPE_COLUMN                  = 9;
+    private static final int WIDGET_ID_COLUMN             = 10;
+    private static final int WIDGET_TYPE_COLUMN           = 11;
+
+    private long mId;
+    private long mAlertDate;
+    private int mBgColorId;
+    private long mCreatedDate;
+    private boolean mHasAttachment;
+    private long mModifiedDate;
+    private int mNotesCount;
+    private long mParentId;
+    private String mSnippet;
+    private int mType;
+    private int mWidgetId;
+    private int mWidgetType;
+    private String mName;
+    private String mPhoneNumber;
+
+    private boolean mIsLastItem;
+    private boolean mIsFirstItem;
+    private boolean mIsOnlyOneItem;
+    private boolean mIsOneNoteFollowingFolder;
+    private boolean mIsMultiNotesFollowingFolder;
+    //初始化NoteItemData，主要利用光标cursor获取的东西
+    public NoteItemData(Context context, Cursor  cursor) {
+        //getxxx为转换格式
+        mId = cursor.getLong(ID_COLUMN);
+        mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
+        mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN);
+        mCreatedDate = cursor.getLong(CREATED_DATE_COLUMN);
+        mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0) ? true : false;
+        mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN);
+        mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN);
+        mParentId = cursor.getLong(PARENT_ID_COLUMN);
+        mSnippet = cursor.getString(SNIPPET_COLUMN);
+        mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace(
+                NoteEditActivity.TAG_UNCHECKED, "");
+        mType = cursor.getInt(TYPE_COLUMN);
+        mWidgetId = cursor.getInt(WIDGET_ID_COLUMN);
+        mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN);
+
+        //初始化电话号码的信息
+        mPhoneNumber = "";
+        if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {
+            mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId);
+            if (!TextUtils.isEmpty(mPhoneNumber)) {//mphonenumber里有符合字符串，则用contart功能连接
+                mName = Contact.getContact(context, mPhoneNumber);
+                if (mName == null) {
+                    mName = mPhoneNumber;
+                }
+            }
+        }
+
+        if (mName == null) {
+            mName = "";
+        }
+        checkPostion(cursor);
+    }
+    ///根据鼠标的位置设置标记，和位置
+    private void checkPostion(Cursor cursor) {
+        //初始化几个标记，cursor具体功能笔记中已提到，不一一叙述
+        mIsLastItem = cursor.isLast() ? true : false;
+        mIsFirstItem = cursor.isFirst() ? true : false;
+        mIsOnlyOneItem = (cursor.getCount() == 1);
+        //初始化“多重子文件”“单一子文件”2个标记
+        mIsMultiNotesFollowingFolder = false;
+        mIsOneNoteFollowingFolder = false;
+
+        //主要是设置上诉2标记
+        if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {//若是note格式并且不是第一个元素
+            int position = cursor.getPosition();
+            if (cursor.moveToPrevious()) {//获取光标位置后看上一行
+                if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER
+                        || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {//若光标满足系统或note格式
+                    if (cursor.getCount() > (position + 1)) {
+                        mIsMultiNotesFollowingFolder = true;//若是数据行数大于但前位置+1则设置成正确
+                    } else {
+                        mIsOneNoteFollowingFolder = true;//否则单一文件夹标记为true
+                    }
+                }
+                if (!cursor.moveToNext()) {//若不能再往下走则报错
+                    throw new IllegalStateException("cursor move to previous but can't move back");
+                }
+            }
+        }
+    }
+    ///下面的代码的作用均是声明获取属性的方法，下面一系列函数都是返回状态值等，用于判断状态
+    public boolean isOneFollowingFolder() {
+        return mIsOneNoteFollowingFolder;
+    }
+
+    public boolean isMultiFollowingFolder() {
+        return mIsMultiNotesFollowingFolder;
+    }
+
+    public boolean isLast() {
+        return mIsLastItem;
+    }
+
+    public String getCallName() {
+        return mName;
+    }
+
+    public boolean isFirst() {
+        return mIsFirstItem;
+    }
+
+    public boolean isSingle() {
+        return mIsOnlyOneItem;
+    }
+
+    public long getId() {
+        return mId;
+    }
+
+    public long getAlertDate() {
+        return mAlertDate;
+    }
+
+    public long getCreatedDate() {
+        return mCreatedDate;
+    }
+
+    public boolean hasAttachment() {
+        return mHasAttachment;
+    }
+
+    public long getModifiedDate() {
+        return mModifiedDate;
+    }
+
+    public int getBgColorId() {
+        return mBgColorId;
+    }
+
+    public long getParentId() {
+        return mParentId;
+    }
+
+    public int getNotesCount() {
+        return mNotesCount;
+    }
+
+    public long getFolderId () {
+        return mParentId;
+    }
+
+    public int getType() {
+        return mType;
+    }
+
+    public int getWidgetType() {
+        return mWidgetType;
+    }
+
+    public int getWidgetId() {
+        return mWidgetId;
+    }
+
+    public String getSnippet() {
+        return mSnippet;
+    }
+
+    public boolean hasAlert() {
+        return (mAlertDate > 0);
+    }
+
+    //若数据父id为保存至文件夹模式的id且满足电话号码单元不为空，则isCallRecord为true
+    public boolean isCallRecord() {
+        return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));
+    }
+
+    public static int getNoteType(Cursor cursor) {//获得便签的类型
+        return cursor.getInt(TYPE_COLUMN);
+    }
+}
\ No newline at end of file
diff --git a/doc/cyw.readcode.ui/ui/NotesListActivity.java b/doc/cyw.readcode.ui/ui/NotesListActivity.java
new file mode 100644
index 0000000..9992129
--- /dev/null
+++ b/doc/cyw.readcode.ui/ui/NotesListActivity.java
@@ -0,0 +1,1018 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.appwidget.AppWidgetManager;
+import android.content.AsyncQueryHandler;
+import android.content.ContentResolver;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.database.Cursor;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.text.Editable;
+import android.text.TextUtils;
+import android.text.TextWatcher;
+import android.util.Log;
+import android.view.ActionMode;
+import android.view.ContextMenu;
+import android.view.ContextMenu.ContextMenuInfo;
+import android.view.Display;
+import android.view.HapticFeedbackConstants;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.MenuItem.OnMenuItemClickListener;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.View.OnCreateContextMenuListener;
+import android.view.View.OnTouchListener;
+import android.view.inputmethod.InputMethodManager;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.AdapterView.OnItemLongClickListener;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ListView;
+import android.widget.PopupMenu;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.gtask.remote.GTaskSyncService;
+import net.micode.notes.model.WorkingNote;
+import net.micode.notes.tool.BackupUtils;
+import net.micode.notes.tool.DataUtils;
+import net.micode.notes.tool.ResourceParser;
+import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
+import net.micode.notes.widget.NoteWidgetProvider_2x;
+import net.micode.notes.widget.NoteWidgetProvider_4x;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.HashSet;
+//主界面，一进入就是这个界面
+/**
+ * @author k
+ *
+ */
+public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {   //没有用特定的标签加注释。。。感觉没有什么用
+    private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
+
+    private static final int FOLDER_LIST_QUERY_TOKEN      = 1;
+
+    private static final int MENU_FOLDER_DELETE = 0;
+
+    private static final int MENU_FOLDER_VIEW = 1;
+
+    private static final int MENU_FOLDER_CHANGE_NAME = 2;
+
+    private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";  //单行超过80个字符
+
+    private enum ListEditState {
+        NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
+    };
+
+    private ListEditState mState;
+
+    private BackgroundQueryHandler mBackgroundQueryHandler;
+
+    private NotesListAdapter mNotesListAdapter;
+
+    private ListView mNotesListView;
+
+    private Button mAddNewNote;
+
+    private boolean mDispatch;
+
+    private int mOriginY;
+
+    private int mDispatchY;
+
+    private TextView mTitleBar;
+
+    private long mCurrentFolderId;
+
+    private ContentResolver mContentResolver;
+
+    private ModeCallback mModeCallBack;
+
+    private static final String TAG = "NotesListActivity";
+
+    public static final int NOTES_LISTVIEW_SCROLL_RATE = 30;
+
+    private NoteItemData mFocusNoteDataItem;
+
+    private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?";
+
+    private static final String ROOT_FOLDER_SELECTION = "(" + NoteColumns.TYPE + "<>"
+            + Notes.TYPE_SYSTEM + " AND " + NoteColumns.PARENT_ID + "=?)" + " OR ("
+            + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER + " AND "
+            + NoteColumns.NOTES_COUNT + ">0)";
+
+    private final static int REQUEST_CODE_OPEN_NODE = 102;
+    private final static int REQUEST_CODE_NEW_NODE  = 103;
+
+    @Override
+    // 创建类
+    protected void onCreate(final Bundle savedInstanceState) {  //需要是final类型   根据程序上下文环境，Java关键字final有“这是无法改变的”或者“终态的”含义，它可以修饰非抽象类、非抽象类成员方法和变量。你可能出于两种理解而需要阻止改变：设计或效率。
+        // final类不能被继承，没有子类，final类中的方法默认是final的。
+        //final方法不能被子类的方法覆盖，但可以被继承。
+        //final成员变量表示常量，只能被赋值一次，赋值后值不再改变。
+        //final不能用于修饰构造方法。
+        super.onCreate(savedInstanceState); // 调用父类的onCreate函数
+        setContentView(R.layout.note_list);
+        initResources();
+
+        /**
+         * Insert an introduction when user firstly use this application
+         */
+        setAppInfoFromRawRes();
+    }
+
+    @Override
+    // 返回一些子模块完成的数据交给主Activity处理
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        // 结果值 和 要求值 符合要求
+        if (resultCode == RESULT_OK
+                && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
+            mNotesListAdapter.changeCursor(null);
+        } else {
+            super.onActivityResult(requestCode, resultCode, data);
+            // 调用 Activity 的onActivityResult（）
+        }
+    }
+
+    private void setAppInfoFromRawRes() {
+        // Android平台给我们提供了一个SharedPreferences类，它是一个轻量级的存储类，特别适合用于保存软件配置参数。
+        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
+        if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
+            StringBuilder sb = new StringBuilder();
+            InputStream in = null;
+            try {
+                // 把资源文件放到应用程序的/raw/raw下，那么就可以在应用中使用getResources获取资源后,
+                // 以openRawResource方法（不带后缀的资源文件名）打开这个文件。
+                in = getResources().openRawResource(R.raw.introduction);
+                if (in != null) {
+                    InputStreamReader isr = new InputStreamReader(in);
+                    BufferedReader br = new BufferedReader(isr);
+                    char [] buf = new char[1024];  // 自行定义的数值，使用者不知道有什么意义
+                    int len = 0;
+                    while ((len = br.read(buf)) > 0) {
+                        sb.append(buf, 0, len);
+                    }
+                } else {
+                    Log.e(TAG, "Read introduction file error");
+                    return;
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+                return;
+            } finally {
+                if (in != null) {
+                    try {
+                        in.close();
+                    } catch (IOException e) {
+                        // TODO Auto-generated catch block
+                        e.printStackTrace();
+                    }
+                }
+            }
+
+            // 创建空的WorkingNote
+            WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
+                    AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
+                    ResourceParser.RED);
+            note.setWorkingText(sb.toString());
+            if (note.saveNote()) {
+                // 更新保存note的信息
+                sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit();
+            } else {
+                Log.e(TAG, "Save introduction note error");
+                return;
+            }
+        }
+    }
+
+    @Override
+    protected void onStart() {
+        super.onStart();
+        startAsyncNotesListQuery();
+    }
+
+    // 初始化资源
+    private void initResources() {
+        mContentResolver = this.getContentResolver(); // 获取应用程序的数据，得到类似数据表的东西
+        mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
+        mCurrentFolderId = Notes.ID_ROOT_FOLDER;
+
+        // findViewById 是安卓编程的定位函数，主要是引用.R文件里的引用名
+        mNotesListView = (ListView) findViewById(R.id.notes_list); // 绑定XML中的ListView，作为Item的容器
+        mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
+                null, false);
+        mNotesListView.setOnItemClickListener(new OnListItemClickListener());
+        mNotesListView.setOnItemLongClickListener(this);
+        mNotesListAdapter = new NotesListAdapter(this);
+        mNotesListView.setAdapter(mNotesListAdapter);
+        mAddNewNote = (Button) findViewById(R.id.btn_new_note);// 在activity中要获取该按钮
+        mAddNewNote.setOnClickListener(this);
+        mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener());
+        mDispatch = false;
+        mDispatchY = 0;
+        mOriginY = 0;
+        mTitleBar = (TextView) findViewById(R.id.tv_title_bar);
+        mState = ListEditState.NOTE_LIST;
+        mModeCallBack = new ModeCallback();
+    }
+
+    // 继承自ListView.MultiChoiceModeListener 和 OnMenuItemClickListener
+    private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
+        private DropdownMenu mDropDownMenu;
+        private ActionMode mActionMode;
+        private MenuItem mMoveMenu;
+
+        public boolean onCreateActionMode(ActionMode mode, Menu menu) {
+            getMenuInflater().inflate(R.menu.note_list_options, menu);
+            menu.findItem(R.id.delete).setOnMenuItemClickListener(this);
+            mMoveMenu = menu.findItem(R.id.move);
+            if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER
+                    || DataUtils.getUserFolderCount(mContentResolver) == 0) {
+                mMoveMenu.setVisible(false);
+            } else {
+                mMoveMenu.setVisible(true);
+                mMoveMenu.setOnMenuItemClickListener(this);
+            }
+            mActionMode = mode;
+            mNotesListAdapter.setChoiceMode(true);
+            mNotesListView.setLongClickable(false);
+            mAddNewNote.setVisibility(View.GONE);
+
+            View customView = LayoutInflater.from(NotesListActivity.this).inflate(
+                    R.layout.note_list_dropdown_menu, null);
+            mode.setCustomView(customView);
+            mDropDownMenu = new DropdownMenu(NotesListActivity.this,
+                    (Button) customView.findViewById(R.id.selection_menu),
+                    R.menu.note_list_dropdown);
+            mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){
+                public boolean onMenuItemClick(final MenuItem item) {
+                    mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());
+                    updateMenu();
+                    return true;
+                }
+
+            });
+            return true;
+        }
+
+        // 更新菜单
+        private void updateMenu() {
+            int selectedCount = mNotesListAdapter.getSelectedCount();
+            // Update dropdown menu
+            String format = getResources().getString(R.string.menu_select_title, selectedCount);
+            mDropDownMenu.setTitle(format); // 更改标题
+            MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);
+            if (item != null) {
+                if (mNotesListAdapter.isAllSelected()) {
+                    item.setChecked(true);
+                    item.setTitle(R.string.menu_deselect_all);
+                } else {
+                    item.setChecked(false);
+                    item.setTitle(R.string.menu_select_all);
+                }
+            }
+        }
+
+        public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+            // TODO Auto-generated method stub
+            return false;
+        }
+
+        public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+            // TODO Auto-generated method stub
+            return false;
+        }
+
+        public void onDestroyActionMode(ActionMode mode) {
+            mNotesListAdapter.setChoiceMode(false);
+            mNotesListView.setLongClickable(true);
+            mAddNewNote.setVisibility(View.VISIBLE);
+        }
+
+        public void finishActionMode() {
+            mActionMode.finish();
+        }
+
+        public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
+                                              boolean checked) {
+            mNotesListAdapter.setCheckedItem(position, checked);
+            updateMenu();
+        }
+
+        public boolean onMenuItemClick(MenuItem item) {
+            if (mNotesListAdapter.getSelectedCount() == 0) {
+                Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none),
+                        Toast.LENGTH_SHORT).show();
+                return true;
+            }
+
+            switch (item.getItemId()) {
+                case R.id.delete:
+                    AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+                    builder.setTitle(getString(R.string.alert_title_delete));
+                    builder.setIcon(android.R.drawable.ic_dialog_alert);
+                    builder.setMessage(getString(R.string.alert_message_delete_notes,
+                            mNotesListAdapter.getSelectedCount()));
+                    builder.setPositiveButton(android.R.string.ok,
+                            new DialogInterface.OnClickListener() {
+                                public void onClick(DialogInterface dialog,
+                                                    int which) {
+                                    batchDelete();
+                                }
+                            });
+                    builder.setNegativeButton(android.R.string.cancel, null);
+                    builder.show();
+                    break;
+                case R.id.move:
+                    startQueryDestinationFolders();
+                    break;
+                default:
+                    return false;
+            }
+            return true;
+        }
+    }
+
+    private class NewNoteOnTouchListener implements OnTouchListener {
+
+        public boolean onTouch(View v, MotionEvent event) {
+            switch (event.getAction()) {
+                case MotionEvent.ACTION_DOWN: {
+                    Display display = getWindowManager().getDefaultDisplay();
+                    int screenHeight = display.getHeight();
+                    int newNoteViewHeight = mAddNewNote.getHeight();
+                    int start = screenHeight - newNoteViewHeight;
+                    int eventY = start + (int) event.getY();
+                    /**
+                     * Minus TitleBar's height
+                     */
+                    if (mState == ListEditState.SUB_FOLDER) {
+                        eventY -= mTitleBar.getHeight();
+                        start -= mTitleBar.getHeight();
+                    }
+                    /**
+                     * HACKME:When click the transparent part of "New Note" button, dispatch
+                     * the event to the list view behind this button. The transparent part of
+                     * "New Note" button could be expressed by formula y=-0.12x+94锛圲nit:pixel锛�
+                     * and the line top of the button. The coordinate based on left of the "New
+                     * Note" button. The 94 represents maximum height of the transparent part.
+                     * Notice that, if the background of the button changes, the formula should
+                     * also change. This is very bad, just for the UI designer's strong requirement.
+                     */
+                    if (event.getY() < (event.getX() * (-0.12) + 94)) {
+                        View view = mNotesListView.getChildAt(mNotesListView.getChildCount() - 1
+                                - mNotesListView.getFooterViewsCount());
+                        if (view != null && view.getBottom() > start
+                                && (view.getTop() < (start + 94))) {
+                            mOriginY = (int) event.getY();
+                            mDispatchY = eventY;
+                            event.setLocation(event.getX(), mDispatchY);
+                            mDispatch = true;
+                            return mNotesListView.dispatchTouchEvent(event);
+                        }
+                    }
+                    break;
+                }
+                case MotionEvent.ACTION_MOVE: {
+                    if (mDispatch) {
+                        mDispatchY += (int) event.getY() - mOriginY;
+                        event.setLocation(event.getX(), mDispatchY);
+                        return mNotesListView.dispatchTouchEvent(event);
+                    }
+                    break;
+                }
+                default: {
+                    if (mDispatch) {
+                        event.setLocation(event.getX(), mDispatchY);
+                        mDispatch = false;
+                        return mNotesListView.dispatchTouchEvent(event);
+                    }
+                    break;
+                }
+            }
+            return false;
+        }
+
+    };
+
+    private void startAsyncNotesListQuery() {
+        String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION
+                : NORMAL_SELECTION;
+        mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
+                Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] {
+                        String.valueOf(mCurrentFolderId)
+                }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
+    }
+
+    private final class BackgroundQueryHandler extends AsyncQueryHandler {
+        public BackgroundQueryHandler(ContentResolver contentResolver) {
+            super(contentResolver);
+        }
+
+        @Override
+        protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
+            switch (token) {
+                case FOLDER_NOTE_LIST_QUERY_TOKEN:
+                    mNotesListAdapter.changeCursor(cursor);
+                    break;
+                case FOLDER_LIST_QUERY_TOKEN:
+                    if (cursor != null && cursor.getCount() > 0) {
+                        showFolderListMenu(cursor);
+                    } else {
+                        Log.e(TAG, "Query folder failed");
+                    }
+                    break;
+                default:
+                    return;
+            }
+        }
+    }
+
+    private void showFolderListMenu(Cursor cursor) {
+        AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+        builder.setTitle(R.string.menu_title_select_folder);
+        final FoldersListAdapter adapter = new FoldersListAdapter(this, cursor);
+        builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
+
+            public void onClick(DialogInterface dialog, int which) {
+                DataUtils.batchMoveToFolder(mContentResolver,
+                        mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which));
+                Toast.makeText(
+                        NotesListActivity.this,
+                        getString(R.string.format_move_notes_to_folder,
+                                mNotesListAdapter.getSelectedCount(),
+                                adapter.getFolderName(NotesListActivity.this, which)),
+                        Toast.LENGTH_SHORT).show();
+                mModeCallBack.finishActionMode();
+            }
+        });
+        builder.show();
+    }
+
+    private void createNewNote() {
+        Intent intent = new Intent(this, NoteEditActivity.class);
+        intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
+        intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mCurrentFolderId);
+        this.startActivityForResult(intent, REQUEST_CODE_NEW_NODE);
+    }
+
+    private void batchDelete() {
+        new AsyncTask<Void, Void, HashSet<AppWidgetAttribute>>() {
+            protected HashSet<AppWidgetAttribute> doInBackground(Void... unused) {
+                HashSet<AppWidgetAttribute> widgets = mNotesListAdapter.getSelectedWidget();
+                if (!isSyncMode()) {
+                    // if not synced, delete notes directly
+                    if (DataUtils.batchDeleteNotes(mContentResolver, mNotesListAdapter
+                            .getSelectedItemIds())) {
+                    } else {
+                        Log.e(TAG, "Delete notes error, should not happens");
+                    }
+                } else {
+                    // in sync mode, we'll move the deleted note into the trash
+                    // folder
+                    if (!DataUtils.batchMoveToFolder(mContentResolver, mNotesListAdapter
+                            .getSelectedItemIds(), Notes.ID_TRASH_FOLER)) {
+                        Log.e(TAG, "Move notes to trash folder error, should not happens");
+                    }
+                }
+                return widgets;
+            }
+
+            @Override
+            protected void onPostExecute(HashSet<AppWidgetAttribute> widgets) {
+                if (widgets != null) {
+                    for (AppWidgetAttribute widget : widgets) {
+                        if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+                                && widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) {
+                            updateWidget(widget.widgetId, widget.widgetType);
+                        }
+                    }
+                }
+                mModeCallBack.finishActionMode();
+            }
+        }.execute();
+    }
+
+    private void deleteFolder(long folderId) {
+        if (folderId == Notes.ID_ROOT_FOLDER) {
+            Log.e(TAG, "Wrong folder id, should not happen " + folderId);
+            return;
+        }
+
+        HashSet<Long> ids = new HashSet<Long>();
+        ids.add(folderId);
+        HashSet<AppWidgetAttribute> widgets = DataUtils.getFolderNoteWidget(mContentResolver,
+                folderId);
+        if (!isSyncMode()) {
+            // if not synced, delete folder directly
+            DataUtils.batchDeleteNotes(mContentResolver, ids);
+        } else {
+            // in sync mode, we'll move the deleted folder into the trash folder
+            DataUtils.batchMoveToFolder(mContentResolver, ids, Notes.ID_TRASH_FOLER);
+        }
+        if (widgets != null) {
+            for (AppWidgetAttribute widget : widgets) {
+                if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+                        && widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) {
+                    updateWidget(widget.widgetId, widget.widgetType);
+                }
+            }
+        }
+    }
+
+    private void openNode(NoteItemData data) {
+        Intent intent = new Intent(this, NoteEditActivity.class);
+        intent.setAction(Intent.ACTION_VIEW);
+        intent.putExtra(Intent.EXTRA_UID, data.getId());
+        this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE);
+    }
+
+    private void openFolder(NoteItemData data) {
+        mCurrentFolderId = data.getId();
+        startAsyncNotesListQuery();
+        if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
+            mState = ListEditState.CALL_RECORD_FOLDER;
+            mAddNewNote.setVisibility(View.GONE);
+        } else {
+            mState = ListEditState.SUB_FOLDER;
+        }
+        if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
+            mTitleBar.setText(R.string.call_record_folder_name);
+        } else {
+            mTitleBar.setText(data.getSnippet());
+        }
+        mTitleBar.setVisibility(View.VISIBLE);
+    }
+
+    public void onClick(View v) {
+        switch (v.getId()) {
+            case R.id.btn_new_note:
+                createNewNote();
+                break;
+            default:
+                break;
+        }
+    }
+
+    private void showSoftInput() {
+        InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+        if (inputMethodManager != null) {
+            inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
+        }
+    }
+
+    private void hideSoftInput(View view) {
+        InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+        inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
+    }
+
+    private void showCreateOrModifyFolderDialog(final boolean create) {
+        final AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        View view = LayoutInflater.from(this).inflate(R.layout.dialog_edit_text, null);
+        final EditText etName = (EditText) view.findViewById(R.id.et_foler_name);
+        showSoftInput();
+        if (!create) {
+            if (mFocusNoteDataItem != null) {
+                etName.setText(mFocusNoteDataItem.getSnippet());
+                builder.setTitle(getString(R.string.menu_folder_change_name));
+            } else {
+                Log.e(TAG, "The long click data item is null");
+                return;
+            }
+        } else {
+            etName.setText("");
+            builder.setTitle(this.getString(R.string.menu_create_folder));
+        }
+
+        builder.setPositiveButton(android.R.string.ok, null);
+        builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
+            public void onClick(DialogInterface dialog, int which) {
+                hideSoftInput(etName);
+            }
+        });
+
+        final Dialog dialog = builder.setView(view).show();
+        final Button positive = (Button)dialog.findViewById(android.R.id.button1);
+        positive.setOnClickListener(new OnClickListener() {
+            public void onClick(View v) {
+                hideSoftInput(etName);
+                String name = etName.getText().toString();
+                if (DataUtils.checkVisibleFolderName(mContentResolver, name)) {
+                    Toast.makeText(NotesListActivity.this, getString(R.string.folder_exist, name),
+                            Toast.LENGTH_LONG).show();
+                    etName.setSelection(0, etName.length());
+                    return;
+                }
+                if (!create) {
+                    if (!TextUtils.isEmpty(name)) {
+                        ContentValues values = new ContentValues();
+                        values.put(NoteColumns.SNIPPET, name);
+                        values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
+                        values.put(NoteColumns.LOCAL_MODIFIED, 1);
+                        mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID
+                                + "=?", new String[] {
+                                String.valueOf(mFocusNoteDataItem.getId())
+                        });
+                    }
+                } else if (!TextUtils.isEmpty(name)) {
+                    ContentValues values = new ContentValues();
+                    values.put(NoteColumns.SNIPPET, name);
+                    values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
+                    mContentResolver.insert(Notes.CONTENT_NOTE_URI, values);
+                }
+                dialog.dismiss();
+            }
+        });
+
+        if (TextUtils.isEmpty(etName.getText())) {
+            positive.setEnabled(false);
+        }
+        /**
+         * When the name edit text is null, disable the positive button
+         */
+        etName.addTextChangedListener(new TextWatcher() {
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+                // TODO Auto-generated method stub
+
+            }
+
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+                if (TextUtils.isEmpty(etName.getText())) {
+                    positive.setEnabled(false);
+                } else {
+                    positive.setEnabled(true);
+                }
+            }
+
+            public void afterTextChanged(Editable s) {
+                // TODO Auto-generated method stub
+
+            }
+        });
+    }
+
+    /* (non-Javadoc)
+     * @see android.app.Activity#onBackPressed()
+     * 按返回键时根据情况更改类中的数据
+     */
+    @Override
+    public void onBackPressed() { switch (mState) {
+        case SUB_FOLDER:
+            mCurrentFolderId = Notes.ID_ROOT_FOLDER;
+            mState = ListEditState.NOTE_LIST;
+            startAsyncNotesListQuery();
+            mTitleBar.setVisibility(View.GONE);
+            break;
+        case CALL_RECORD_FOLDER:
+            mCurrentFolderId = Notes.ID_ROOT_FOLDER;
+            mState = ListEditState.NOTE_LIST;
+            mAddNewNote.setVisibility(View.VISIBLE);
+            mTitleBar.setVisibility(View.GONE);
+            startAsyncNotesListQuery();
+            break;
+        case NOTE_LIST:
+            super.onBackPressed();
+            break;
+        default:
+            break;
+    }
+    }
+
+    /**
+     * @param appWidgetId
+     * @param appWidgetType
+     * 根据不同类型的widget更新插件，通过intent传送数据
+     */
+    private void updateWidget(int appWidgetId, int appWidgetType) {
+        Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
+        if (appWidgetType == Notes.TYPE_WIDGET_2X) {
+            intent.setClass(this, NoteWidgetProvider_2x.class);
+        } else if (appWidgetType == Notes.TYPE_WIDGET_4X) {
+            intent.setClass(this, NoteWidgetProvider_4x.class);
+        } else {
+            Log.e(TAG, "Unspported widget type");
+            return;
+        }
+
+        intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
+                appWidgetId
+        });
+
+        sendBroadcast(intent);
+        setResult(RESULT_OK, intent);
+    }
+
+    /**
+     * 声明监听器，建立菜单，包括名称，视图，删除操作，更改名称操作；
+     */
+    private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {
+        public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
+            if (mFocusNoteDataItem != null) {
+                menu.setHeaderTitle(mFocusNoteDataItem.getSnippet());
+                menu.add(0, MENU_FOLDER_VIEW, 0, R.string.menu_folder_view);
+                menu.add(0, MENU_FOLDER_DELETE, 0, R.string.menu_folder_delete);
+                menu.add(0, MENU_FOLDER_CHANGE_NAME, 0, R.string.menu_folder_change_name);
+            }
+        }
+    };
+
+    @Override
+    public void onContextMenuClosed(Menu menu) {
+        if (mNotesListView != null) {
+            mNotesListView.setOnCreateContextMenuListener(null);
+        }
+        super.onContextMenuClosed(menu);
+    }
+
+    /* (non-Javadoc)
+     * @see android.app.Activity#onContextItemSelected(android.view.MenuItem)
+     * 针对menu中不同的选择进行不同的处理，里面详细注释
+     */
+    @Override
+    public boolean onContextItemSelected(MenuItem item) {
+        if (mFocusNoteDataItem == null) {
+            Log.e(TAG, "The long click data item is null");
+            return false;
+        }
+        switch (item.getItemId()) {
+            case MENU_FOLDER_VIEW:
+                openFolder(mFocusNoteDataItem);//打开对应文件
+                break;
+            case MENU_FOLDER_DELETE:
+                AlertDialog.Builder builder = new AlertDialog.Builder(this);//设置确认是否删除的对话框
+                builder.setTitle(getString(R.string.alert_title_delete));
+                builder.setIcon(android.R.drawable.ic_dialog_alert);
+                builder.setMessage(getString(R.string.alert_message_delete_folder));
+                builder.setPositiveButton(android.R.string.ok,
+                        new DialogInterface.OnClickListener() {
+                            public void onClick(DialogInterface dialog, int which) {
+                                deleteFolder(mFocusNoteDataItem.getId());
+                            }
+                        });
+                builder.setNegativeButton(android.R.string.cancel, null);
+                builder.show();//显示对话框
+                break;
+            case MENU_FOLDER_CHANGE_NAME:
+                showCreateOrModifyFolderDialog(false);
+                break;
+            default:
+                break;
+        }
+
+        return true;
+    }
+
+    @Override
+    public boolean onPrepareOptionsMenu(Menu menu) {
+        menu.clear();
+        if (mState == ListEditState.NOTE_LIST) {
+            getMenuInflater().inflate(R.menu.note_list, menu);
+            // set sync or sync_cancel
+            menu.findItem(R.id.menu_sync).setTitle(
+                    GTaskSyncService.isSyncing() ? R.string.menu_sync_cancel : R.string.menu_sync);
+        } else if (mState == ListEditState.SUB_FOLDER) {
+            getMenuInflater().inflate(R.menu.sub_folder, menu);
+        } else if (mState == ListEditState.CALL_RECORD_FOLDER) {
+            getMenuInflater().inflate(R.menu.call_record_folder, menu);
+        } else {
+            Log.e(TAG, "Wrong state:" + mState);
+        }
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.menu_new_folder: {
+                showCreateOrModifyFolderDialog(true);
+                break;
+            }
+            case R.id.menu_export_text: {
+                exportNoteToText();
+                break;
+            }
+            case R.id.menu_sync: {
+                if (isSyncMode()) {
+                    if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) {
+                        GTaskSyncService.startSync(this);
+                    } else {
+                        GTaskSyncService.cancelSync(this);
+                    }
+                } else {
+                    startPreferenceActivity();
+                }
+                break;
+            }
+            case R.id.menu_setting: {
+                startPreferenceActivity();
+                break;
+            }
+            case R.id.menu_new_note: {
+                createNewNote();
+                break;
+            }
+            case R.id.menu_search:
+                onSearchRequested();
+                break;
+            default:
+                break;
+        }
+        return true;
+    }
+
+    /* (non-Javadoc)
+     * @see android.app.Activity#onSearchRequested()
+     * 直接调用startSearch函数
+     */
+    @Override
+    public boolean onSearchRequested() {
+        startSearch(null, false, null /* appData */, false);
+        return true;
+    }
+
+    /**
+     * 函数功能：实现将便签导出到文本功能
+     */
+    private void exportNoteToText() {
+        final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
+        new AsyncTask<Void, Void, Integer>() {
+
+            @Override
+            protected Integer doInBackground(Void... unused) {
+                return backup.exportToText();
+            }
+
+            @Override
+            protected void onPostExecute(Integer result) {
+                if (result == BackupUtils.STATE_SD_CARD_UNMOUONTED) {
+                    AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+                    builder.setTitle(NotesListActivity.this
+                            .getString(R.string.failed_sdcard_export));
+                    builder.setMessage(NotesListActivity.this
+                            .getString(R.string.error_sdcard_unmounted));
+                    builder.setPositiveButton(android.R.string.ok, null);
+                    builder.show();
+                } else if (result == BackupUtils.STATE_SUCCESS) {
+                    AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+                    builder.setTitle(NotesListActivity.this
+                            .getString(R.string.success_sdcard_export));
+                    builder.setMessage(NotesListActivity.this.getString(
+                            R.string.format_exported_file_location, backup
+                                    .getExportedTextFileName(), backup.getExportedTextFileDir()));
+                    builder.setPositiveButton(android.R.string.ok, null);
+                    builder.show();
+                } else if (result == BackupUtils.STATE_SYSTEM_ERROR) {
+                    AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+                    builder.setTitle(NotesListActivity.this
+                            .getString(R.string.failed_sdcard_export));
+                    builder.setMessage(NotesListActivity.this
+                            .getString(R.string.error_sdcard_export));
+                    builder.setPositiveButton(android.R.string.ok, null);
+                    builder.show();
+                }
+            }
+
+        }.execute();
+    }
+
+    /**
+     * @return
+     * 功能：判断是否正在同步
+     */
+    private boolean isSyncMode() {
+        return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
+    }
+
+    /**
+     * 功能：跳转到PreferenceActivity界面
+     */
+    private void startPreferenceActivity() {
+        Activity from = getParent() != null ? getParent() : this;
+        Intent intent = new Intent(from, NotesPreferenceActivity.class);
+        from.startActivityIfNeeded(intent, -1);
+    }
+
+    /**
+     * @author k
+     * 函数功能：实现对便签列表项的点击事件（短按）
+     */
+    private class OnListItemClickListener implements OnItemClickListener {
+
+        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+            if (view instanceof NotesListItem) {
+                NoteItemData item = ((NotesListItem) view).getItemData();
+                if (mNotesListAdapter.isInChoiceMode()) {
+                    if (item.getType() == Notes.TYPE_NOTE) {
+                        position = position - mNotesListView.getHeaderViewsCount();
+                        mModeCallBack.onItemCheckedStateChanged(null, position, id,
+                                !mNotesListAdapter.isSelectedItem(position));
+                    }
+                    return;
+                }
+
+                switch (mState) {
+                    case NOTE_LIST:
+                        if (item.getType() == Notes.TYPE_FOLDER
+                                || item.getType() == Notes.TYPE_SYSTEM) {
+                            openFolder(item);
+                        } else if (item.getType() == Notes.TYPE_NOTE) {
+                            openNode(item);
+                        } else {
+                            Log.e(TAG, "Wrong note type in NOTE_LIST");
+                        }
+                        break;
+                    case SUB_FOLDER:
+                    case CALL_RECORD_FOLDER:
+                        if (item.getType() == Notes.TYPE_NOTE) {
+                            openNode(item);
+                        } else {
+                            Log.e(TAG, "Wrong note type in SUB_FOLDER");
+                        }
+                        break;
+                    default:
+                        break;
+                }
+            }
+        }
+
+    }
+
+    /**
+     * 查询目标文件
+     */
+    private void startQueryDestinationFolders() {
+        String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
+        selection = (mState == ListEditState.NOTE_LIST) ? selection:
+                "(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")";
+
+        mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN,
+                null,
+                Notes.CONTENT_NOTE_URI,
+                FoldersListAdapter.PROJECTION,
+                selection,
+                new String[] {
+                        String.valueOf(Notes.TYPE_FOLDER),
+                        String.valueOf(Notes.ID_TRASH_FOLER),
+                        String.valueOf(mCurrentFolderId)
+                },
+                NoteColumns.MODIFIED_DATE + " DESC");
+    }
+
+    /* (non-Javadoc)
+     * @see android.widget.AdapterView.OnItemLongClickListener#onItemLongClick(android.widget.AdapterView, android.view.View, int, long)
+     * 长按某一项时进行的操作
+     * 如果长按的是便签，则通过ActionMode菜单实现；如果长按的是文件夹，则通过ContextMenu菜单实现；
+     *        具体ActionMOde菜单和ContextMenu菜单的详细见精度笔记
+     */
+    public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {// 函数：实现长按项目的点击事件。如果长按的是便签，则通过ActionMode菜单实现；如果长按的是文件夹，则通过ContextMenu菜单实现。
+        if (view instanceof NotesListItem) {
+            mFocusNoteDataItem = ((NotesListItem) view).getItemData();
+            if (mFocusNoteDataItem.getType() == Notes.TYPE_NOTE && !mNotesListAdapter.isInChoiceMode()) {
+                if (mNotesListView.startActionMode(mModeCallBack) != null) {
+                    mModeCallBack.onItemCheckedStateChanged(null, position, id, true);
+                    mNotesListView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
+                } else {
+                    Log.e(TAG, "startActionMode fails");
+                }
+            } else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) {
+                mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener);
+            }
+        }
+        return false;
+    }
+}
\ No newline at end of file
diff --git a/doc/cyw.readcode.ui/ui/NotesListAdapter.java b/doc/cyw.readcode.ui/ui/NotesListAdapter.java
new file mode 100644
index 0000000..5c5d3ee
--- /dev/null
+++ b/doc/cyw.readcode.ui/ui/NotesListAdapter.java
@@ -0,0 +1,273 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.util.Log;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CursorAdapter;
+
+
+import net.micode.notes.data.Notes;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+
+
+/*
+ * 功能：直译为便签表连接器，继承了CursorAdapter，它为cursor和ListView提供了连接的桥梁。
+ *     所以NotesListAdapter实现的是鼠标和编辑便签链接的桥梁
+ */
+public class NotesListAdapter extends CursorAdapter {
+    private static final String TAG = "NotesListAdapter";
+    private Context mContext;
+    private HashMap<Integer, Boolean> mSelectedIndex;
+    private int mNotesCount;    //便签数
+    private boolean mChoiceMode;   //选择模式标记
+
+    /*
+     * 桌面widget的属性，包括编号和类型
+     */
+    public static class AppWidgetAttribute {
+        public int widgetId;
+        public int widgetType;
+    };
+
+    /*
+     * 函数功能：初始化便签链接器
+     * 函数实现：根据传进来的内容设置相关变量
+     */
+    public NotesListAdapter(Context context) {
+        super(context, null);  //父类对象置空
+        mSelectedIndex = new HashMap<Integer, Boolean>();  //新建选项下标的hash表
+        mContext = context;
+        mNotesCount = 0;
+    }
+
+    @Override
+    /*
+     * 函数功能：新建一个视图来存储光标所指向的数据
+     * 函数实现：使用兄弟类NotesListItem新建一个项目选项
+     */
+    public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        return new NotesListItem(context);
+    }
+
+    /*
+     * 函数功能：将已经存在的视图和鼠标指向的数据进行捆绑
+     * 函数实现：如下注释
+     */
+    @Override
+    public void bindView(View view, Context context, Cursor cursor) {
+        if (view instanceof NotesListItem) {
+            //若view是NotesListItem的一个实例
+            NoteItemData itemData = new NoteItemData(context, cursor);
+            ((NotesListItem) view).bind(context, itemData, mChoiceMode,
+                    isSelectedItem(cursor.getPosition()));
+            //则新建一个项目选项并且用bind跟将view和鼠标，内容，便签数据捆绑在一起
+        }
+    }
+
+    /*
+     * 函数功能：设置勾选框
+     * 函数实现：如下注释
+     */
+    public void setCheckedItem(final int position, final boolean checked) {
+        mSelectedIndex.put(position, checked);
+        //根据定位和是否勾选设置下标
+        notifyDataSetChanged();
+        //在修改后刷新activity
+    }
+
+    /*
+     * 函数功能：判断单选按钮是否勾选
+     */
+    public boolean isInChoiceMode() {
+        return mChoiceMode;
+    }
+
+    /*
+     * 函数功能：设置单项选项框
+     * 函数实现：重置下标并且根据参数mode设置选项
+     */
+    public void setChoiceMode(boolean mode) {
+        mSelectedIndex.clear();
+        mChoiceMode = mode;
+    }
+
+    /*
+     * 函数功能：选择全部选项
+     * 函数实现：如下注释
+     */
+    public void selectAll(boolean checked) {
+        Cursor cursor = getCursor();
+        //获取光标位置
+        for (int i = 0; i < getCount(); i++) {
+            if (cursor.moveToPosition(i)) {
+                if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) {
+                    setCheckedItem(i, checked);
+                }
+            }
+        }
+        //遍历所有光标可用的位置在判断为便签类型之后勾选单项框
+    }
+
+    /*
+     * 函数功能：建立选择项的下标列表
+     * 函数实现：如下注释
+     */
+    public HashSet<Long> getSelectedItemIds() {
+        HashSet<Long> itemSet = new HashSet<Long>();
+        //建立hash表
+        for (Integer position : mSelectedIndex.keySet()) {
+            //遍历所有的关键
+            if (mSelectedIndex.get(position) == true) {
+                //若光标位置可用
+                Long id = getItemId(position);
+                if (id == Notes.ID_ROOT_FOLDER) {
+                    //原文件不需要添加
+                    Log.d(TAG, "Wrong item id, should not happen");
+                } else {
+                    itemSet.add(id);
+                }
+                //则将id该下标假如选项集合中
+
+            }
+        }
+
+        return itemSet;
+    }
+
+    /*
+     * 函数功能：建立桌面Widget的选项表
+     * 函数实现：如下注释
+     */
+    public HashSet<AppWidgetAttribute> getSelectedWidget() {
+        HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>();
+        for (Integer position : mSelectedIndex.keySet()) {
+            if (mSelectedIndex.get(position) == true) {
+                Cursor c = (Cursor) getItem(position);
+                //以上4句和getSelectedItemIds一样，不再重复
+                if (c != null) {
+                    //光标位置可用的话就建立新的Widget属性并编辑下标和类型，最后添加到选项集中
+                    AppWidgetAttribute widget = new AppWidgetAttribute();
+                    NoteItemData item = new NoteItemData(mContext, c);
+                    widget.widgetId = item.getWidgetId();
+                    widget.widgetType = item.getWidgetType();
+                    itemSet.add(widget);
+                    /**
+                     * Don't close cursor here, only the adapter could close it
+                     */
+                } else {
+                    Log.e(TAG, "Invalid cursor");
+                    return null;
+                }
+            }
+        }
+        return itemSet;
+    }
+
+    /*
+     * 函数功能：获取选项个数
+     * 函数实现：如下注释
+     */
+    public int getSelectedCount() {
+        Collection<Boolean> values = mSelectedIndex.values();
+        //首先获取选项下标的值
+        if (null == values) {
+            return 0;
+        }
+        Iterator<Boolean> iter = values.iterator();
+        //初始化叠加器
+        int count = 0;
+        while (iter.hasNext()) {
+            if (true == iter.next()) {
+                //若value值为真计数+1
+                count++;
+            }
+        }
+        return count;
+    }
+
+    /*
+     * 函数功能：判断是否全部选中
+     * 函数实现：如下注释
+     */
+    public boolean isAllSelected() {
+        int checkedCount = getSelectedCount();
+        return (checkedCount != 0 && checkedCount == mNotesCount);
+        //获取选项数看是否等于便签的个数
+    }
+
+    /*
+     * 函数功能：判断是否为选项表
+     * 函数实现：通过传递的下标来确定
+     */
+    public boolean isSelectedItem(final int position) {
+        if (null == mSelectedIndex.get(position)) {
+            return false;
+        }
+        return mSelectedIndex.get(position);
+    }
+
+    @Override
+    /*
+     * 函数功能：在activity内容发生局部变动的时候回调该函数计算便签的数量
+     * 函数实现：如下注释
+     */
+    protected void onContentChanged() {
+        super.onContentChanged();
+        //执行基类函数
+        calcNotesCount();
+    }
+
+    @Override
+    /*
+     * 函数功能：在activity光标发生局部变动的时候回调该函数计算便签的数量
+     */
+    public void changeCursor(Cursor cursor) {
+        super.changeCursor(cursor);
+        //执行基类函数
+        calcNotesCount();
+    }
+
+    /*
+     * 函数功能：计算便签数量
+     *
+     */
+    private void calcNotesCount() {
+        mNotesCount = 0;
+        for (int i = 0; i < getCount(); i++) {
+            //获取总数同时遍历
+            Cursor c = (Cursor) getItem(i);
+            if (c != null) {
+                if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) {
+                    mNotesCount++;
+                    //若该位置不为空并且文本类型为便签就+1
+                }
+            } else {
+                Log.e(TAG, "Invalid cursor");
+                return;
+            }
+            //否则报错
+        }
+    }
+}
diff --git a/doc/cyw.readcode.ui/ui/NotesListItem.java b/doc/cyw.readcode.ui/ui/NotesListItem.java
new file mode 100644
index 0000000..b89acf7
--- /dev/null
+++ b/doc/cyw.readcode.ui/ui/NotesListItem.java
@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.text.format.DateUtils;
+import android.view.View;
+import android.widget.CheckBox;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.tool.DataUtils;
+import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
+
+
+//创建便签列表项目选项
+public class NotesListItem extends LinearLayout {
+    private ImageView mAlert;//闹钟图片
+    private TextView mTitle;  //标题
+    private TextView mTime;   //时间
+    private TextView mCallName;    //
+    private NoteItemData mItemData; //标签数据
+    private CheckBox mCheckBox;    //打钩框
+
+    /*初始化基本信息*/
+    public NotesListItem(Context context) {
+        super(context);   //super()它的主要作用是调整调用父类构造函数的顺序
+        inflate(context, R.layout.note_item, this);//Inflate可用于将一个xml中定义的布局控件找出来,这里的xml是r。layout
+        //findViewById用于从contentView中查找指定ID的View，转换出来的形式根据需要而定;
+        mAlert = (ImageView) findViewById(R.id.iv_alert_icon);
+        mTitle = (TextView) findViewById(R.id.tv_title);
+        mTime = (TextView) findViewById(R.id.tv_time);
+        mCallName = (TextView) findViewById(R.id.tv_name);
+        mCheckBox = (CheckBox) findViewById(android.R.id.checkbox);
+    }
+    ///根据data的属性对各个控件的属性的控制，主要是可见性Visibility，内容setText，格式setTextAppearance
+    public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
+        if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
+            mCheckBox.setVisibility(View.VISIBLE);  ///设置可见行为可见
+            mCheckBox.setChecked(checked);         ///格子打钩
+        } else {
+            mCheckBox.setVisibility(View.GONE);
+        }
+
+        mItemData = data;
+        ///设置控件属性，一共三种情况，由data的id和父id是否与保存到文件夹的id一致来决定
+        if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
+            mCallName.setVisibility(View.GONE);
+            mAlert.setVisibility(View.VISIBLE);
+            //设置该textview的style
+            mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
+            //settext为设置内容
+            mTitle.setText(context.getString(R.string.call_record_folder_name)
+                    + context.getString(R.string.format_folder_files_count, data.getNotesCount()));
+            mAlert.setImageResource(R.drawable.call_record);
+        } else if (data.getParentId() == Notes.ID_CALL_RECORD_FOLDER) {
+            mCallName.setVisibility(View.VISIBLE);
+            mCallName.setText(data.getCallName());
+            mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem);
+            mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
+            ///关于闹钟的设置
+            if (data.hasAlert()) {
+                mAlert.setImageResource(R.drawable.clock);//图片来源的设置
+                mAlert.setVisibility(View.VISIBLE);
+            } else {
+                mAlert.setVisibility(View.GONE);
+            }
+        } else {
+            mCallName.setVisibility(View.GONE);
+            mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
+            ///设置title格式
+            if (data.getType() == Notes.TYPE_FOLDER) {
+                mTitle.setText(data.getSnippet()
+                        + context.getString(R.string.format_folder_files_count,
+                        data.getNotesCount()));
+                mAlert.setVisibility(View.GONE);
+            } else {
+                mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
+                if (data.hasAlert()) {
+                    mAlert.setImageResource(R.drawable.clock);///设置图片来源
+                    mAlert.setVisibility(View.VISIBLE);
+                } else {
+                    mAlert.setVisibility(View.GONE);
+                }
+            }
+        }
+        ///设置内容，获取相关时间，从data里编辑的日期中获取
+        mTime. setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
+
+        setBackground(data);
+    }
+    //根据data的文件属性来设置背景
+    private void setBackground(NoteItemData data) {
+        int id = data.getBgColorId();
+        //，若是note型文件，则4种情况，对于4种不同情况的背景来源
+        if (data.getType() == Notes.TYPE_NOTE) {
+            //单个数据并且只有一个子文件夹
+            if (data.isSingle() || data.isOneFollowingFolder()) {
+                setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));
+            } else if (data.isLast()) {//是最后一个数据
+                setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id));
+            } else if (data.isFirst() || data.isMultiFollowingFolder()) {//是一个数据并有多个子文件夹
+                setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id));
+            } else {
+                setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
+            }
+        } else {
+            //若不是note直接调用文件夹的背景来源
+            setBackgroundResource(NoteItemBgResources.getFolderBgRes());
+        }
+    }
+    public NoteItemData getItemData() {
+        return mItemData;
+    }//返回当前便签的数据信息
+}
diff --git a/doc/cyw.readcode.ui/ui/NotesPreferenceActivity.java b/doc/cyw.readcode.ui/ui/NotesPreferenceActivity.java
new file mode 100644
index 0000000..75cfd3d
--- /dev/null
+++ b/doc/cyw.readcode.ui/ui/NotesPreferenceActivity.java
@@ -0,0 +1,530 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.app.ActionBar;
+import android.app.AlertDialog;
+import android.content.BroadcastReceiver;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.preference.Preference;
+import android.preference.Preference.OnPreferenceClickListener;
+import android.preference.PreferenceActivity;
+import android.preference.PreferenceCategory;
+import android.text.TextUtils;
+import android.text.format.DateFormat;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.gtask.remote.GTaskSyncService;
+
+/*
+ *该类功能：NotesPreferenceActivity，在小米便签中主要实现的是对背景颜色和字体大小的数据储存。
+ *       继承了PreferenceActivity主要功能为对系统信息和配置进行自动保存的Activity
+ */
+public class NotesPreferenceActivity extends PreferenceActivity {
+    public static final String PREFERENCE_NAME = "notes_preferences";
+    //优先名
+    public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";
+    //同步账号
+    public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";
+    //同步时间
+    public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear";
+
+    private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";
+    //同步密码
+    private static final String AUTHORITIES_FILTER_KEY = "authorities";
+    //本地密码
+    private PreferenceCategory mAccountCategory;
+    //账户分组
+    private GTaskReceiver mReceiver;
+    //同步任务接收器
+    private Account[] mOriAccounts;
+    //账户
+    private boolean mHasAddedAccount;
+    //账户的hash标记
+
+    @Override
+    /*
+     *函数功能：创建一个activity，在函数里要完成所有的正常静态设置
+     *参数：Bundle icicle：存放了 activity 当前的状态
+     *函数实现：如下注释
+     */
+    protected void onCreate(Bundle icicle) {
+        //先执行父类的创建函数
+        super.onCreate(icicle);
+
+        /* using the app icon for navigation */
+        getActionBar().setDisplayHomeAsUpEnabled(true);
+        //给左上角图标的左边加上一个返回的图标
+
+        addPreferencesFromResource(R.xml.preferences);
+        //添加xml来源并显示 xml
+        mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);
+        //根据同步账户关键码来初始化分组
+        mReceiver = new GTaskReceiver();
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);
+        registerReceiver(mReceiver, filter);
+        //初始化同步组件
+
+        mOriAccounts = null;
+        View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null);
+        //获取listvivew，ListView的作用:用于列出所有选择
+        getListView().addHeaderView(header, null, true);
+        //在listview组件上方添加其他组件
+    }
+
+    @Override
+    /*
+     * 函数功能：activity交互功能的实现，用于接受用户的输入
+     * 函数实现：如下注释
+     */
+    protected void onResume() {
+        //先执行父类 的交互实现
+        super.onResume();
+
+        // need to set sync account automatically if user has added a new
+        // account
+        if (mHasAddedAccount) {
+            //若用户新加了账户则自动设置同步账户
+            Account[] accounts = getGoogleAccounts();
+            //获取google同步账户
+            if (mOriAccounts != null && accounts.length > mOriAccounts.length) {
+                //若原账户不为空且当前账户有增加
+                for (Account accountNew : accounts) {
+                    boolean found = false;
+                    for (Account accountOld : mOriAccounts) {
+                        if (TextUtils.equals(accountOld.name, accountNew.name)) {
+                            //更新账户
+                            found = true;
+                            break;
+                        }
+                    }
+                    if (!found) {
+                        setSyncAccount(accountNew.name);
+                        //若是没有找到旧的账户，那么同步账号中就只添加新账户
+                        break;
+                    }
+                }
+            }
+        }
+
+        refreshUI();
+        //刷新标签界面
+    }
+
+    @Override
+    /*
+     * 函数功能：销毁一个activity
+     * 函数实现：如下注释
+     */
+    protected void onDestroy() {
+        if (mReceiver != null) {
+            unregisterReceiver(mReceiver);
+            //注销接收器
+        }
+        super.onDestroy();
+        //执行父类的销毁动作
+    }
+
+    /*
+     * 函数功能：重新设置账户信息
+     * 函数实现：如下注释
+     */
+    private void loadAccountPreference() {
+        mAccountCategory.removeAll();
+        //销毁所有的分组
+        Preference accountPref = new Preference(this);
+        //建立首选项
+        final String defaultAccount = getSyncAccountName(this);
+        accountPref.setTitle(getString(R.string.preferences_account_title));
+        accountPref.setSummary(getString(R.string.preferences_account_summary));
+        //设置首选项的大标题和小标题
+        accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
+            public boolean onPreferenceClick(Preference preference) {
+                //建立监听器
+                if (!GTaskSyncService.isSyncing()) {
+                    if (TextUtils.isEmpty(defaultAccount)) {
+                        // the first time to set account
+                        //若是第一次建立账户显示选择账户提示对话框
+                        showSelectAccountAlertDialog();
+                    } else {
+                        // if the account has already been set, we need to promp
+                        // user about the risk
+                        //若是已经建立则显示修改对话框并进行修改操作
+                        showChangeAccountConfirmAlertDialog();
+                    }
+                } else {
+                    //若在没有同步的情况下，则在toast中显示不能修改
+                    Toast.makeText(NotesPreferenceActivity.this,
+                                    R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT)
+                            .show();
+                }
+                return true;
+            }
+        });
+
+        //根据新建首选项编辑新的账户分组
+        mAccountCategory.addPreference(accountPref);
+    }
+
+    /*
+     *函数功能：设置按键的状态和最后同步的时间
+     *函数实现：如下注释
+     */
+    private void loadSyncButton() {
+        Button syncButton = (Button) findViewById(R.id.preference_sync_button);
+        TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
+        //获取同步按钮控件和最终同步时间的的窗口
+        // set button state
+        //设置按钮的状态
+        if (GTaskSyncService.isSyncing()) {
+            //若是在同步状态下
+            syncButton.setText(getString(R.string.preferences_button_sync_cancel));
+            syncButton.setOnClickListener(new View.OnClickListener() {
+                public void onClick(View v) {
+                    GTaskSyncService.cancelSync(NotesPreferenceActivity.this);
+                }
+            });
+            //设置按钮显示的文本为“取消同步”以及监听器
+        } else {
+            syncButton.setText(getString(R.string.preferences_button_sync_immediately));
+            syncButton.setOnClickListener(new View.OnClickListener() {
+                public void onClick(View v) {
+                    GTaskSyncService.startSync(NotesPreferenceActivity.this);
+                }
+            });
+            //若是不同步则设置按钮显示的文本为“立即同步”以及对应监听器
+        }
+        syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));
+        //设置按键可用还是不可用
+
+        // set last sync time
+        // 设置最终同步时间
+        if (GTaskSyncService.isSyncing()) {
+            //若是在同步的情况下
+            lastSyncTimeView.setText(GTaskSyncService.getProgressString());
+            lastSyncTimeView.setVisibility(View.VISIBLE);
+            // 根据当前同步服务器设置时间显示框的文本以及可见性
+        } else {
+            //若是非同步情况
+            long lastSyncTime = getLastSyncTime(this);
+            if (lastSyncTime != 0) {
+                lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time,
+                        DateFormat.format(getString(R.string.preferences_last_sync_time_format),
+                                lastSyncTime)));
+                lastSyncTimeView.setVisibility(View.VISIBLE);
+                //则根据最后同步时间的信息来编辑时间显示框的文本内容和可见性
+            } else {
+                //若时间为空直接设置为不可见状态
+                lastSyncTimeView.setVisibility(View.GONE);
+            }
+        }
+    }
+    /*
+     *函数功能：刷新标签界面
+     *函数实现：调用上文设置账号和设置按键两个函数来实现
+     */
+    private void refreshUI() {
+        loadAccountPreference();
+        loadSyncButton();
+    }
+
+    /*
+     * 函数功能：显示账户选择的对话框并进行账户的设置
+     * 函数实现：如下注释
+     */
+    private void showSelectAccountAlertDialog() {
+        AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
+        //创建一个新的对话框
+
+        View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
+        TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
+        titleTextView.setText(getString(R.string.preferences_dialog_select_account_title));
+        TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
+        subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips));
+        //设置标题以及子标题的内容
+        dialogBuilder.setCustomTitle(titleView);
+        dialogBuilder.setPositiveButton(null, null);
+        //设置对话框的自定义标题，建立一个YES的按钮
+        Account[] accounts = getGoogleAccounts();
+        String defAccount = getSyncAccountName(this);
+        //获取同步账户信息
+        mOriAccounts = accounts;
+        mHasAddedAccount = false;
+
+        if (accounts.length > 0) {
+            //若账户不为空
+            CharSequence[] items = new CharSequence[accounts.length];
+            final CharSequence[] itemMapping = items;
+            int checkedItem = -1;
+            int index = 0;
+            for (Account account : accounts) {
+                if (TextUtils.equals(account.name, defAccount)) {
+                    checkedItem = index;
+                    //在账户列表中查询到所需账户
+                }
+                items[index++] = account.name;
+            }
+            dialogBuilder.setSingleChoiceItems(items, checkedItem,
+                    //在对话框建立一个单选的复选框
+                    new DialogInterface.OnClickListener() {
+                        public void onClick(DialogInterface dialog, int which) {
+                            setSyncAccount(itemMapping[which].toString());
+                            dialog.dismiss();
+                            //取消对话框
+                            refreshUI();
+                        }
+                        //设置点击后执行的事件，包括检录新同步账户和刷新标签界面
+                    });
+            //建立对话框网络版的监听器
+        }
+
+        View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);
+        dialogBuilder.setView(addAccountView);
+        //给新加账户对话框设置自定义样式
+
+        final AlertDialog dialog = dialogBuilder.show();
+        //显示对话框
+        addAccountView.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                mHasAddedAccount = true;
+                //将新加账户的hash置true
+                Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
+                //建立网络建立组件
+                intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] {
+                        "gmail-ls"
+                });
+                startActivityForResult(intent, -1);
+                //跳回上一个选项
+                dialog.dismiss();
+            }
+        });
+        //建立新加账户对话框的监听器
+    }
+
+    /*
+     * 函数功能：显示账户选择对话框和相关账户操作
+     * 函数实现：如下注释
+     */
+    private void showChangeAccountConfirmAlertDialog() {
+        AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
+        //创建一个新的对话框
+        View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
+        TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
+        titleTextView.setText(getString(R.string.preferences_dialog_change_account_title,
+                getSyncAccountName(this)));
+        TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
+        subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
+        //根据同步修改的账户信息设置标题以及子标题的内容
+        dialogBuilder.setCustomTitle(titleView);
+        //设置对话框的自定义标题
+        CharSequence[] menuItemArray = new CharSequence[] {
+                getString(R.string.preferences_menu_change_account),
+                getString(R.string.preferences_menu_remove_account),
+                getString(R.string.preferences_menu_cancel)
+        };
+        //定义一些标记字符串
+        dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
+            //设置对话框要显示的一个list，用于显示几个命令时,即change，remove，cancel
+            public void onClick(DialogInterface dialog, int which) {
+                //按键功能，由which来决定
+                if (which == 0) {
+                    //进入账户选择对话框
+                    showSelectAccountAlertDialog();
+                } else if (which == 1) {
+                    //删除账户并且跟新便签界面
+                    removeSyncAccount();
+                    refreshUI();
+                }
+            }
+        });
+        dialogBuilder.show();
+        //显示对话框
+    }
+
+    /*
+     *函数功能：获取谷歌账户
+     *函数实现：通过账户管理器直接获取
+     */
+    private Account[] getGoogleAccounts() {
+        AccountManager accountManager = AccountManager.get(this);
+        return accountManager.getAccountsByType("com.google");
+    }
+
+    /*
+     * 函数功能：设置同步账户
+     * 函数实现：如下注释：
+     */
+    private void setSyncAccount(String account) {
+        if (!getSyncAccountName(this).equals(account)) {
+            //假如该账号不在同步账号列表中
+            SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
+            SharedPreferences.Editor editor = settings.edit();
+            //编辑共享的首选项
+            if (account != null) {
+                editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account);
+            } else {
+                editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
+            }
+            //将该账号加入到首选项中
+
+            editor.commit();
+            //提交修改的数据
+
+
+            setLastSyncTime(this, 0);
+            //将最后同步时间清零
+
+            // clean up local gtask related info
+            new Thread(new Runnable() {
+                public void run() {
+                    ContentValues values = new ContentValues();
+                    values.put(NoteColumns.GTASK_ID, "");
+                    values.put(NoteColumns.SYNC_ID, 0);
+                    getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
+                }
+            }).start();
+            //重置当地同步任务的信息
+
+            Toast.makeText(NotesPreferenceActivity.this,
+                    getString(R.string.preferences_toast_success_set_accout, account),
+                    Toast.LENGTH_SHORT).show();
+            //将toast的文本信息置为“设置账户成功”并显示出来
+        }
+    }
+    /*
+     * 函数功能：删除同步账户
+     * 函数实现：如下注释：
+     */
+    private void removeSyncAccount() {
+        SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
+        SharedPreferences.Editor editor = settings.edit();
+        //设置共享首选项
+
+        if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
+            editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME);
+            //假如当前首选项中有账户就删除
+        }
+        if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) {
+            editor.remove(PREFERENCE_LAST_SYNC_TIME);
+            //删除当前首选项中有账户时间
+        }
+        editor.commit();
+        //提交更新后的数据
+
+        // clean up local gtask related info
+        new Thread(new Runnable() {
+            public void run() {
+                ContentValues values = new ContentValues();
+                values.put(NoteColumns.GTASK_ID, "");
+                values.put(NoteColumns.SYNC_ID, 0);
+                getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
+            }
+        }).start();
+        //重置当地同步任务的信息
+    }
+
+    /*
+     * 函数功能：获取同步账户名称
+     * 函数实现：通过共享的首选项里的信息直接获取
+     */
+    public static String getSyncAccountName(Context context) {
+        SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
+                Context.MODE_PRIVATE);
+        return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
+    }
+
+    /*
+     * 函数功能：设置最终同步的时间
+     * 函数实现：如下注释
+     */
+    public static void setLastSyncTime(Context context, long time) {
+        SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
+                Context.MODE_PRIVATE);
+        SharedPreferences.Editor editor = settings.edit();
+        // 从共享首选项中找到相关账户并获取其编辑器
+        editor.putLong(PREFERENCE_LAST_SYNC_TIME, time);
+        editor.commit();
+        //编辑最终同步时间并提交更新
+    }
+    /*
+     * 函数功能：获取最终同步时间
+     * 函数实现：通过共享的首选项里的信息直接获取
+     */
+    public static long getLastSyncTime(Context context) {
+        SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
+                Context.MODE_PRIVATE);
+        return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
+    }
+
+    /*
+     * 函数功能：接受同步信息
+     * 函数实现：继承BroadcastReceiver
+     */
+    private class GTaskReceiver extends BroadcastReceiver {
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            refreshUI();
+            if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) {
+                //获取随广播而来的Intent中的同步服务的数据
+                TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
+                syncStatus.setText(intent
+                        .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
+                //通过获取的数据在设置系统的状态
+            }
+
+        }
+    }
+
+    /*
+     * 函数功能：处理菜单的选项
+     * 函数实现：如下注释
+     * 参数:MenuItem菜单选项
+     */
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            //根据选项的id选择，这里只有一个主页
+            case android.R.id.home:
+                Intent intent = new Intent(this, NotesListActivity.class);
+                intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+                startActivity(intent);
+                return true;
+            //在主页情况下在创建连接组件intent，发出清空的信号并开始一个相应的activity
+            default:
+                return false;
+        }
+    }
+}
+ 
diff --git a/doc/data/MetaData.java b/doc/data/MetaData.java
new file mode 100644
index 0000000..e591aee
--- /dev/null
+++ b/doc/data/MetaData.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.gtask.data;
+
+import android.database.Cursor;
+import android.util.Log;
+
+import net.micode.notes.tool.GTaskStringUtils;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+
+//创建继承自Task的类
+public class MetaData extends Task {
+    private final static String TAG = MetaData.class.getSimpleName();//调用getSimpleName()函数
+
+    private String mRelatedGid = null;//初始化mRelatedGid为null
+    //函数：设置meta,用put方法将gid传给GTaskStringUtils.META_HEAD_GTASK_ID，用catch来在出现错误时报错
+    public void setMeta(String gid, JSONObject metaInfo) {
+        try {
+            metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);
+        } catch (JSONException e) {
+            Log.e(TAG, "failed to put related gid");//catch异常处理
+        }
+        setNotes(metaInfo.toString());
+        setName(GTaskStringUtils.META_NOTE_NAME);
+    }
+    //获取相关的gid
+    public String getRelatedGid() {
+        return mRelatedGid;
+    }
+
+    //函数判断getNotes（）是否为空，并返回
+    @Override
+    public boolean isWorthSaving() {
+        return getNotes() != null;
+    }
+
+    //调用父类Task中的setContentByRemoteJSON ()函数，使用远程json数据对象设置元数据内容
+    @Override
+    public void setContentByRemoteJSON(JSONObject js) {
+        super.setContentByRemoteJSON(js);
+        if (getNotes() != null) {
+            try {
+                JSONObject metaInfo = new JSONObject(getNotes().trim());
+                mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID);
+            } catch (JSONException e) {
+                Log.w(TAG, "failed to get related gid");
+                mRelatedGid = null;
+            }
+        }
+    }
+
+    //函数：函数覆盖，将错误抛出
+    @Override
+    public void setContentByLocalJSON(JSONObject js) {
+        // this function should not be called
+        throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
+    }
+
+    //函数：从元数据库中获得本地JSON对象，并抛出错误
+    @Override
+    public JSONObject getLocalJSONFromContent() {
+        throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");
+    }
+
+    //函数：获取同步动作状态，并抛出错误
+    @Override
+    public int getSyncAction(Cursor c) {
+        throw new IllegalAccessError("MetaData:getSyncAction should not be called");
+    }
+
+}
diff --git a/doc/data/Node.java b/doc/data/Node.java
new file mode 100644
index 0000000..3bb770a
--- /dev/null
+++ b/doc/data/Node.java
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.gtask.data;   //包名，依赖关系
+
+import android.database.Cursor; //引用cursor，此公用接口提供对数据库查询返回的结果集的随机读写访问。
+
+import org.json.JSONObject;//引用 JSONObject，一组可修改的名称/值映射集。
+
+public abstract class Node {
+    public static final int SYNC_ACTION_NONE = 0;
+
+    public static final int SYNC_ACTION_ADD_REMOTE = 1;//需要在远程云端增加内容
+
+    public static final int SYNC_ACTION_ADD_LOCAL = 2;//需要在本地增加内容
+
+    public static final int SYNC_ACTION_DEL_REMOTE = 3; //需要在远程云端删除内容
+
+    public static final int SYNC_ACTION_DEL_LOCAL = 4;//需要在本地删除内容
+
+    public static final int SYNC_ACTION_UPDATE_REMOTE = 5;//需要将本地内容更新到远程云端
+
+    public static final int SYNC_ACTION_UPDATE_LOCAL = 6;//需要将远程云端内容更新到本地
+
+    public static final int SYNC_ACTION_UPDATE_CONFLICT = 7; //同步出现冲突
+
+    public static final int SYNC_ACTION_ERROR = 8;//同步出现错误
+
+    private String mGid; //记录最后一次修改时间
+
+    private String mName;//bool类型，表明表征是否被删除
+
+    private long mLastModified;//记录最后一次修改时间
+
+    private boolean mDeleted;//判断 表征是否被删除
+
+    //构造函数，进行初始化，界面没有，名字为空，最后一次修改时间为0（没有修改），表征是否删除。
+    public Node() {
+        mGid = null;
+        mName = "";
+        mLastModified = 0;
+        mDeleted = false;
+    }
+
+    // 创建JSONObject对象，创建操作和更新操作，形参是操作号
+    public abstract JSONObject getCreateAction(int actionId);
+
+    public abstract JSONObject getUpdateAction(int actionId);//获取需要更新活动的ID
+
+    public abstract void setContentByRemoteJSON(JSONObject js);//都是JSONObject和Curson中的一些操作，主要是创建相应的对象进行远端和本地同步操作
+
+    public abstract void setContentByLocalJSON(JSONObject js);//声明JSONObject对象抽象类，从本地JSON中同步设置目录
+
+
+    public abstract JSONObject getLocalJSONFromContent();//声明JSONObject对象抽象类，从目录中获取本地JSON
+
+    public abstract int getSyncAction(Cursor c);//声明int抽象类，获取同步行为代号
+
+    public void setGid(String gid) {
+        this.mGid = gid;
+    } //对构造函数中的对象进行赋值或者获取对象的具体内容将gid赋给mGid，以下均为Node函数参数的输入与赋值
+
+    public void setName(String name) {
+        this.mName = name;
+    } //设置名字
+
+    public void setLastModified(long lastModified) {
+        this.mLastModified = lastModified;
+    }//时间标识
+
+    public void setDeleted(boolean deleted) {
+        this.mDeleted = deleted;
+    }//删除标识
+
+    public String getGid() {
+        return this.mGid;
+    }//返回git
+
+    public String getName() {
+        return this.mName;
+    }//返回mname
+
+    public long getLastModified() {
+        return this.mLastModified;
+    }//获取时间标识
+
+    public boolean getDeleted() {
+        return this.mDeleted;
+    }//获取删除标识
+
+}
diff --git a/doc/data/SqlData.java b/doc/data/SqlData.java
new file mode 100644
index 0000000..0c04274
--- /dev/null
+++ b/doc/data/SqlData.java
@@ -0,0 +1,198 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.gtask.data;
+
+import android.content.ContentResolver;
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.util.Log;
+
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.DataColumns;
+import net.micode.notes.data.Notes.DataConstants;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.data.NotesDatabaseHelper.TABLE;
+import net.micode.notes.gtask.exception.ActionFailureException;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+
+public class SqlData {
+    //得到类的简写名称存入字符串TAG中
+    private static final String TAG = SqlData.class.getSimpleName();//调用getSimpleName ()函数
+
+    private static final int INVALID_ID = -99999;//为mDataId置初始值-99999
+
+    //来自Notes类中定义的DataColumn中的一些常量
+    // 集合了interface DataColumns中所有SF常量
+    public static final String[] PROJECTION_DATA = new String[] {
+            DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1,
+            DataColumns.DATA3
+    };
+    //以下五个变量作为sql表中5列的编号
+    public static final int DATA_ID_COLUMN = 0;
+
+    public static final int DATA_MIME_TYPE_COLUMN = 1;
+
+    public static final int DATA_CONTENT_COLUMN = 2;
+
+    public static final int DATA_CONTENT_DATA_1_COLUMN = 3;
+
+    public static final int DATA_CONTENT_DATA_3_COLUMN = 4;
+
+    private ContentResolver mContentResolver;
+    //判断是否直接用Content生成，是为true，否则为false
+    private boolean mIsCreate;
+
+    private long mDataId;
+
+    private String mDataMimeType;
+
+    private String mDataContent;
+
+    private long mDataContentData1;
+
+    private String mDataContentData3;
+
+    private ContentValues mDiffDataValues;
+
+    public SqlData(Context context) {
+        mContentResolver = context.getContentResolver();//mContentResolver用于获取ContentProvider提供的数据
+        mIsCreate = true;
+        mDataId = INVALID_ID;
+        mDataMimeType = DataConstants.NOTE;
+        mDataContent = "";
+        mDataContentData1 = 0;
+        mDataContentData3 = "";
+        mDiffDataValues = new ContentValues();
+    }
+    /*
+     * 功能描述：构造函数，初始化数据
+     * 参数注解：mContentResolver用于获取ContentProvider提供的数据
+     * 参数注解： mIsCreate表征当前数据是用哪种方式创建（两种构造函数的参数不同）
+     */
+    public SqlData(Context context, Cursor c) {
+        mContentResolver = context.getContentResolver();
+        mIsCreate = false;
+        loadFromCursor(c);
+        mDiffDataValues = new ContentValues();
+    }
+    //从光标处加载数据
+    private void loadFromCursor(Cursor c) {
+        mDataId = c.getLong(DATA_ID_COLUMN);
+        mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN);
+        mDataContent = c.getString(DATA_CONTENT_COLUMN);
+        mDataContentData1 = c.getLong(DATA_CONTENT_DATA_1_COLUMN);
+        mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN);
+    }
+    //功能描述：设置用于共享的数据，并提供异常抛出与处理机制
+    public void setContent(JSONObject js) throws JSONException {
+        //JSONObject对象中有DataColumns.ID这一项，则设置，否则设为INVALID_ID
+        long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID;
+        if (mIsCreate || mDataId != dataId) {
+            mDiffDataValues.put(DataColumns.ID, dataId);
+        }
+        mDataId = dataId;
+
+        String dataMimeType = js.has(DataColumns.MIME_TYPE) ? js.getString(DataColumns.MIME_TYPE)
+                : DataConstants.NOTE;
+        if (mIsCreate || !mDataMimeType.equals(dataMimeType)) {
+            mDiffDataValues.put(DataColumns.MIME_TYPE, dataMimeType);
+        }
+        mDataMimeType = dataMimeType;
+
+        String dataContent = js.has(DataColumns.CONTENT) ? js.getString(DataColumns.CONTENT) : "";
+        if (mIsCreate || !mDataContent.equals(dataContent)) {
+            mDiffDataValues.put(DataColumns.CONTENT, dataContent);
+        }
+        mDataContent = dataContent;
+
+        long dataContentData1 = js.has(DataColumns.DATA1) ? js.getLong(DataColumns.DATA1) : 0;
+        if (mIsCreate || mDataContentData1 != dataContentData1) {
+            mDiffDataValues.put(DataColumns.DATA1, dataContentData1);
+        }
+        mDataContentData1 = dataContentData1;
+
+        String dataContentData3 = js.has(DataColumns.DATA3) ? js.getString(DataColumns.DATA3) : "";
+        if (mIsCreate || !mDataContentData3.equals(dataContentData3)) {
+            mDiffDataValues.put(DataColumns.DATA3, dataContentData3);
+        }
+        mDataContentData3 = dataContentData3;
+    }
+    //功能描述：获取共享的数据内容，并提供异常抛出与处理机制
+    public JSONObject getContent() throws JSONException {
+        if (mIsCreate) {
+            Log.e(TAG, "it seems that we haven't created this in database yet");
+            return null;
+        }
+        //创建JSONObject对象。并将相关数据放入其中，并返回
+        JSONObject js = new JSONObject();
+        js.put(DataColumns.ID, mDataId);
+        js.put(DataColumns.MIME_TYPE, mDataMimeType);
+        js.put(DataColumns.CONTENT, mDataContent);
+        js.put(DataColumns.DATA1, mDataContentData1);
+        js.put(DataColumns.DATA3, mDataContentData3);
+        return js;
+    }
+    //commit函数用于把当前造作所做的修改保存到数据库
+    public void commit(long noteId, boolean validateVersion, long version) {
+
+        if (mIsCreate) {
+            if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) {
+                mDiffDataValues.remove(DataColumns.ID);
+            }
+
+            mDiffDataValues.put(DataColumns.NOTE_ID, noteId);
+            Uri uri = mContentResolver.insert(Notes.CONTENT_DATA_URI, mDiffDataValues);
+            try {
+                mDataId = Long.valueOf(uri.getPathSegments().get(1));
+            } catch (NumberFormatException e) {
+                Log.e(TAG, "Get note id error :" + e.toString());
+                throw new ActionFailureException("create note failed");
+            }
+        } else {
+            if (mDiffDataValues.size() > 0) {
+                int result = 0;
+                if (!validateVersion) {
+                    result = mContentResolver.update(ContentUris.withAppendedId(
+                            Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null);
+                } else {
+                    result = mContentResolver.update(ContentUris.withAppendedId(
+                            Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues,
+                            " ? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE
+                                    + " WHERE " + NoteColumns.VERSION + "=?)", new String[] {
+                                    String.valueOf(noteId), String.valueOf(version)
+                            });
+                }
+                if (result == 0) {
+                    Log.w(TAG, "there is no update. maybe user updates note when syncing");
+                }
+            }
+        }
+
+        mDiffDataValues.clear();
+        mIsCreate = false;
+    }
+    //获取当前id
+    public long getId() {
+        return mDataId;
+    }
+}
diff --git a/doc/data/SqlNote.java b/doc/data/SqlNote.java
new file mode 100644
index 0000000..36854e7
--- /dev/null
+++ b/doc/data/SqlNote.java
@@ -0,0 +1,527 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.gtask.data;
+
+import android.appwidget.AppWidgetManager;
+import android.content.ContentResolver;
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.util.Log;
+
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.DataColumns;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.gtask.exception.ActionFailureException;
+import net.micode.notes.tool.GTaskStringUtils;
+import net.micode.notes.tool.ResourceParser;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+
+
+public class SqlNote {
+    //调用getSimpleName(),类名简称存入TAG
+    private static final String TAG = SqlNote.class.getSimpleName();
+
+    private static final int INVALID_ID = -99999;
+
+    public static final String[] PROJECTION_NOTE = new String[] {
+            NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID,
+            NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE,
+            NoteColumns.NOTES_COUNT, NoteColumns.PARENT_ID, NoteColumns.SNIPPET, NoteColumns.TYPE,
+            NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE, NoteColumns.SYNC_ID,
+            NoteColumns.LOCAL_MODIFIED, NoteColumns.ORIGIN_PARENT_ID, NoteColumns.GTASK_ID,
+            NoteColumns.VERSION
+    };
+
+    public static final int ID_COLUMN = 0;
+
+    public static final int ALERTED_DATE_COLUMN = 1;
+
+    public static final int BG_COLOR_ID_COLUMN = 2;
+
+    public static final int CREATED_DATE_COLUMN = 3;
+
+    public static final int HAS_ATTACHMENT_COLUMN = 4;
+
+    public static final int MODIFIED_DATE_COLUMN = 5;
+
+    public static final int NOTES_COUNT_COLUMN = 6;
+
+    public static final int PARENT_ID_COLUMN = 7;
+
+    public static final int SNIPPET_COLUMN = 8;
+
+    public static final int TYPE_COLUMN = 9;
+
+    public static final int WIDGET_ID_COLUMN = 10;
+
+    public static final int WIDGET_TYPE_COLUMN = 11;
+
+    public static final int SYNC_ID_COLUMN = 12;
+
+    public static final int LOCAL_MODIFIED_COLUMN = 13;
+
+    public static final int ORIGIN_PARENT_ID_COLUMN = 14;
+
+    public static final int GTASK_ID_COLUMN = 15;
+
+    public static final int VERSION_COLUMN = 16;
+
+    private Context mContext;
+
+    private ContentResolver mContentResolver;
+
+    private boolean mIsCreate;
+
+    private long mId;
+
+    private long mAlertDate;
+
+    private int mBgColorId;
+
+    private long mCreatedDate;
+
+    private int mHasAttachment;
+
+    private long mModifiedDate;
+
+    private long mParentId;
+
+    private String mSnippet;
+
+    private int mType;
+
+    private int mWidgetId;
+
+    private int mWidgetType;
+
+    private long mOriginParent;
+
+    private long mVersion;
+
+    private ContentValues mDiffNoteValues;
+
+    private ArrayList<SqlData> mDataList;
+
+    //构造函数只有context，对所有的变量进行初始化
+    public SqlNote(Context context) {
+        mContext = context;
+        mContentResolver = context.getContentResolver();
+        mIsCreate = true;
+        mId = INVALID_ID;
+        mAlertDate = 0;
+        mBgColorId = ResourceParser.getDefaultBgId(context);
+        mCreatedDate = System.currentTimeMillis();//调用系统函数获得创建时间
+        mHasAttachment = 0;
+        mModifiedDate = System.currentTimeMillis();//最后一次修改时间初始化为创建时间
+        mParentId = 0;
+        mSnippet = "";
+        mType = Notes.TYPE_NOTE;
+        mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID;
+        mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
+        mOriginParent = 0;
+        mVersion = 0;
+        mDiffNoteValues = new ContentValues();
+        mDataList = new ArrayList<SqlData>();
+    }
+
+    //构造函数有context和一个数据库的cursor，多数变量通过cursor指向的一条记录直接进行初始化
+    public SqlNote(Context context, Cursor c) {
+        mContext = context;
+        mContentResolver = context.getContentResolver();
+        mIsCreate = false;
+        loadFromCursor(c);
+        mDataList = new ArrayList<SqlData>();
+        //
+        if (mType == Notes.TYPE_NOTE)
+            loadDataContent();
+        mDiffNoteValues = new ContentValues();
+    }
+
+
+    //  mIsCreate用于标示构造方式
+    public SqlNote(Context context, long id) {
+        mContext = context;
+        mContentResolver = context.getContentResolver();
+        mIsCreate = false;
+        loadFromCursor(id);
+        mDataList = new ArrayList<SqlData>();
+        if (mType == Notes.TYPE_NOTE)
+            loadDataContent();
+        mDiffNoteValues = new ContentValues();
+
+    }
+
+    //功能描述：通过id从光标处加载数据
+
+    private void loadFromCursor(long id) {
+        Cursor c = null;
+        try {
+            c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)",
+                    new String[] {
+                            String.valueOf(id)
+                    }, null);//通过id获得对应的ContentResolver中的cursor
+            if (c != null) {
+                c.moveToNext();
+                loadFromCursor(c);//然后加载数据进行初始化，这样函数
+                //SqlNote(Context context, long id)与SqlNote(Context context, long id)的实现方式基本相同
+            } else {
+                Log.w(TAG, "loadFromCursor: cursor = null");
+            }
+        } finally {
+            if (c != null)
+                c.close();
+        }
+    }
+
+    // 功能描述：通过游标从光标处加载数据
+    private void loadFromCursor(Cursor c) {
+        //直接从一条记录中的获得以下变量的初始值
+        mId = c.getLong(ID_COLUMN);
+        mAlertDate = c.getLong(ALERTED_DATE_COLUMN);
+        mBgColorId = c.getInt(BG_COLOR_ID_COLUMN);
+        mCreatedDate = c.getLong(CREATED_DATE_COLUMN);
+        mHasAttachment = c.getInt(HAS_ATTACHMENT_COLUMN);
+        mModifiedDate = c.getLong(MODIFIED_DATE_COLUMN);
+        mParentId = c.getLong(PARENT_ID_COLUMN);
+        mSnippet = c.getString(SNIPPET_COLUMN);
+        mType = c.getInt(TYPE_COLUMN);
+        mWidgetId = c.getInt(WIDGET_ID_COLUMN);
+        mWidgetType = c.getInt(WIDGET_TYPE_COLUMN);
+        mVersion = c.getLong(VERSION_COLUMN);
+    }
+
+    // 功能描述：通过content机制获取共享数据并加载到数据库当前游标
+    private void loadDataContent() {
+        Cursor c = null;
+        mDataList.clear();
+        try {
+            c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA,
+                    "(note_id=?)", new String[] {
+                            String.valueOf(mId)
+                    }, null);
+            if (c != null) {
+                if (c.getCount() == 0) {
+                    Log.w(TAG, "it seems that the note has not data");
+                    return;
+                }
+                while (c.moveToNext()) {
+                    SqlData data = new SqlData(mContext, c);
+                    mDataList.add(data);
+                }
+            } else {
+                Log.w(TAG, "loadDataContent: cursor = null");
+            }
+        } finally {
+            if (c != null)
+                c.close();
+        }
+    }
+
+    // 功能描述：设置通过content机制用于共享的数据信息
+    public boolean setContent(JSONObject js) {
+        try {
+            JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
+            if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) {
+                Log.w(TAG, "cannot set system folder");
+            } else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) {
+                // for folder we can only update the snnipet and type
+                String snippet = note.has(NoteColumns.SNIPPET) ? note
+                        .getString(NoteColumns.SNIPPET) : "";
+                if (mIsCreate || !mSnippet.equals(snippet)) {
+                    mDiffNoteValues.put(NoteColumns.SNIPPET, snippet);
+                }
+                mSnippet = snippet;
+
+                int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE)
+                        : Notes.TYPE_NOTE;
+                if (mIsCreate || mType != type) {
+                    mDiffNoteValues.put(NoteColumns.TYPE, type);
+                }
+                mType = type;
+            } else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_NOTE) {
+                JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
+                long id = note.has(NoteColumns.ID) ? note.getLong(NoteColumns.ID) : INVALID_ID;
+                if (mIsCreate || mId != id) {
+                    mDiffNoteValues.put(NoteColumns.ID, id);
+                }
+                mId = id;
+
+                long alertDate = note.has(NoteColumns.ALERTED_DATE) ? note
+                        .getLong(NoteColumns.ALERTED_DATE) : 0;
+                if (mIsCreate || mAlertDate != alertDate) {
+                    mDiffNoteValues.put(NoteColumns.ALERTED_DATE, alertDate);
+                }
+                mAlertDate = alertDate;
+
+                int bgColorId = note.has(NoteColumns.BG_COLOR_ID) ? note
+                        .getInt(NoteColumns.BG_COLOR_ID) : ResourceParser.getDefaultBgId(mContext);
+                if (mIsCreate || mBgColorId != bgColorId) {
+                    mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId);
+                }
+                mBgColorId = bgColorId;
+                long createDate = note.has(NoteColumns.CREATED_DATE) ? note
+                        .getLong(NoteColumns.CREATED_DATE) : System.currentTimeMillis();
+                if (mIsCreate || mCreatedDate != createDate) {
+                    mDiffNoteValues.put(NoteColumns.CREATED_DATE, createDate);
+                }
+                mCreatedDate = createDate;
+
+                int hasAttachment = note.has(NoteColumns.HAS_ATTACHMENT) ? note
+                        .getInt(NoteColumns.HAS_ATTACHMENT) : 0;
+                if (mIsCreate || mHasAttachment != hasAttachment) {
+                    mDiffNoteValues.put(NoteColumns.HAS_ATTACHMENT, hasAttachment);
+                }
+                mHasAttachment = hasAttachment;
+
+                long modifiedDate = note.has(NoteColumns.MODIFIED_DATE) ? note
+                        .getLong(NoteColumns.MODIFIED_DATE) : System.currentTimeMillis();
+                if (mIsCreate || mModifiedDate != modifiedDate) {
+                    mDiffNoteValues.put(NoteColumns.MODIFIED_DATE, modifiedDate);
+                }
+                mModifiedDate = modifiedDate;
+
+                long parentId = note.has(NoteColumns.PARENT_ID) ? note
+                        .getLong(NoteColumns.PARENT_ID) : 0;
+                if (mIsCreate || mParentId != parentId) {
+                    mDiffNoteValues.put(NoteColumns.PARENT_ID, parentId);
+                }
+                mParentId = parentId;
+
+                String snippet = note.has(NoteColumns.SNIPPET) ? note
+                        .getString(NoteColumns.SNIPPET) : "";
+                if (mIsCreate || !mSnippet.equals(snippet)) {
+                    mDiffNoteValues.put(NoteColumns.SNIPPET, snippet);
+                }
+                mSnippet = snippet;
+
+                int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE)
+                        : Notes.TYPE_NOTE;
+                if (mIsCreate || mType != type) {
+                    mDiffNoteValues.put(NoteColumns.TYPE, type);
+                }
+                mType = type;
+
+                int widgetId = note.has(NoteColumns.WIDGET_ID) ? note.getInt(NoteColumns.WIDGET_ID)
+                        : AppWidgetManager.INVALID_APPWIDGET_ID;
+                if (mIsCreate || mWidgetId != widgetId) {
+                    mDiffNoteValues.put(NoteColumns.WIDGET_ID, widgetId);
+                }
+                mWidgetId = widgetId;
+
+                int widgetType = note.has(NoteColumns.WIDGET_TYPE) ? note
+                        .getInt(NoteColumns.WIDGET_TYPE) : Notes.TYPE_WIDGET_INVALIDE;
+                if (mIsCreate || mWidgetType != widgetType) {
+                    mDiffNoteValues.put(NoteColumns.WIDGET_TYPE, widgetType);
+                }
+                mWidgetType = widgetType;
+
+                long originParent = note.has(NoteColumns.ORIGIN_PARENT_ID) ? note
+                        .getLong(NoteColumns.ORIGIN_PARENT_ID) : 0;
+                if (mIsCreate || mOriginParent != originParent) {
+                    mDiffNoteValues.put(NoteColumns.ORIGIN_PARENT_ID, originParent);
+                }
+                mOriginParent = originParent;
+
+                for (int i = 0; i < dataArray.length(); i++) {
+                    JSONObject data = dataArray.getJSONObject(i);
+                    SqlData sqlData = null;
+                    if (data.has(DataColumns.ID)) {
+                        long dataId = data.getLong(DataColumns.ID);
+                        for (SqlData temp : mDataList) {
+                            if (dataId == temp.getId()) {
+                                sqlData = temp;
+                            }
+                        }
+                    }
+
+                    if (sqlData == null) {
+                        sqlData = new SqlData(mContext);
+                        mDataList.add(sqlData);
+                    }
+
+                    sqlData.setContent(data);
+                }
+            }
+        } catch (JSONException e) {
+            Log.e(TAG, e.toString());
+            e.printStackTrace();
+            return false;
+        }
+        return true;
+    }
+
+    // 功能描述：获取content机制提供的数据并加载到note中
+    public JSONObject getContent() {
+        try {
+            JSONObject js = new JSONObject();
+
+            if (mIsCreate) {
+                Log.e(TAG, "it seems that we haven't created this in database yet");
+                return null;
+            }
+
+            JSONObject note = new JSONObject();
+            if (mType == Notes.TYPE_NOTE) {//类型为note时
+                note.put(NoteColumns.ID, mId);
+                note.put(NoteColumns.ALERTED_DATE, mAlertDate);
+                note.put(NoteColumns.BG_COLOR_ID, mBgColorId);
+                note.put(NoteColumns.CREATED_DATE, mCreatedDate);
+                note.put(NoteColumns.HAS_ATTACHMENT, mHasAttachment);
+                note.put(NoteColumns.MODIFIED_DATE, mModifiedDate);
+                note.put(NoteColumns.PARENT_ID, mParentId);
+                note.put(NoteColumns.SNIPPET, mSnippet);
+                note.put(NoteColumns.TYPE, mType);
+                note.put(NoteColumns.WIDGET_ID, mWidgetId);
+                note.put(NoteColumns.WIDGET_TYPE, mWidgetType);
+                note.put(NoteColumns.ORIGIN_PARENT_ID, mOriginParent);
+                js.put(GTaskStringUtils.META_HEAD_NOTE, note);
+
+                JSONArray dataArray = new JSONArray();
+                for (SqlData sqlData : mDataList) {
+                    JSONObject data = sqlData.getContent();
+                    if (data != null) {
+                        dataArray.put(data);
+                    }
+                }
+                js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
+            } else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) {//类型为文件夹或者
+                note.put(NoteColumns.ID, mId);
+                note.put(NoteColumns.TYPE, mType);
+                note.put(NoteColumns.SNIPPET, mSnippet);
+                js.put(GTaskStringUtils.META_HEAD_NOTE, note);
+            }
+
+            return js;
+        } catch (JSONException e) {
+            Log.e(TAG, e.toString());
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    // 功能描述：给当前id设置父id
+    public void setParentId(long id) {
+        mParentId = id;
+        mDiffNoteValues.put(NoteColumns.PARENT_ID, id);
+    }
+
+    //功能描述：给当前id设置Gtaskid
+    public void setGtaskId(String gid) {
+        mDiffNoteValues.put(NoteColumns.GTASK_ID, gid);
+    }
+
+    // 功能描述：给当前id设置同步id
+    public void setSyncId(long syncId) {
+        mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId);
+    }
+
+    // 功能描述：初始化本地修改，即撤销所有当前修改
+    public void resetLocalModified() {
+        mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0);
+    }
+
+    // 功能描述：获得当前id
+    public long getId() {
+        return mId;
+    }
+
+    //获得当前id的父id
+    public long getParentId() {
+        return mParentId;
+    }
+
+    //获取小片段即用于显示的部分便签内容
+    public String getSnippet() {
+        return mSnippet;
+    }
+
+    //判断是否为便签类型
+    public boolean isNoteType() {
+        return mType == Notes.TYPE_NOTE;
+    }
+
+    //commit函数用于把当前造作所做的修改保存到数据库
+    public void commit(boolean validateVersion) {
+        if (mIsCreate) {
+            if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) {
+                mDiffNoteValues.remove(NoteColumns.ID);
+            }
+
+            Uri uri = mContentResolver.insert(Notes.CONTENT_NOTE_URI, mDiffNoteValues);
+            try {
+                mId = Long.valueOf(uri.getPathSegments().get(1));
+            } catch (NumberFormatException e) {
+                Log.e(TAG, "Get note id error :" + e.toString());
+                throw new ActionFailureException("create note failed");
+            }
+            if (mId == 0) {
+                throw new IllegalStateException("Create thread id failed");
+            }
+
+            if (mType == Notes.TYPE_NOTE) {
+                for (SqlData sqlData : mDataList) {//直接使用sqldata中的实现
+                    sqlData.commit(mId, false, -1);
+                }
+            }
+        } else {
+            if (mId <= 0 && mId != Notes.ID_ROOT_FOLDER && mId != Notes.ID_CALL_RECORD_FOLDER) {
+                Log.e(TAG, "No such note");
+                throw new IllegalStateException("Try to update note with invalid id");
+            }
+            if (mDiffNoteValues.size() > 0) {
+                mVersion ++;
+                int result = 0;
+                if (!validateVersion) {  //构造字符串
+                    result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
+                            + NoteColumns.ID + "=?)", new String[] {
+                            String.valueOf(mId)
+                    });
+                } else {
+                    result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
+                                    + NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)",
+                            new String[] {
+                                    String.valueOf(mId), String.valueOf(mVersion)
+                            });
+                }
+                if (result == 0) {
+                    Log.w(TAG, "there is no update. maybe user updates note when syncing");
+                }
+            }
+
+            if (mType == Notes.TYPE_NOTE) {
+                for (SqlData sqlData : mDataList) {
+                    sqlData.commit(mId, validateVersion, mVersion);
+                }
+            }
+        }
+
+        // refresh local info
+        loadFromCursor(mId);
+        if (mType == Notes.TYPE_NOTE)
+            loadDataContent();
+
+        mDiffNoteValues.clear();
+        mIsCreate = false;
+    }
+}
\ No newline at end of file
diff --git a/doc/data/Task.java b/doc/data/Task.java
new file mode 100644
index 0000000..14edea4
--- /dev/null
+++ b/doc/data/Task.java
@@ -0,0 +1,361 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.gtask.data;
+
+import android.database.Cursor;
+import android.text.TextUtils;
+import android.util.Log;
+
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.DataColumns;
+import net.micode.notes.data.Notes.DataConstants;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.gtask.exception.ActionFailureException;
+import net.micode.notes.tool.GTaskStringUtils;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+
+public class  Task extends Node {
+    private static final String TAG = Task.class.getSimpleName();
+    // 任务是否已完成
+    private boolean mCompleted;
+
+    // 与任务关联的备注
+    private String mNotes;
+
+    // 与任务关联的元信息
+    private JSONObject mMetaInfo;
+
+    // 在列表中位于该任务前面的任务
+    private Task mPriorSibling;
+
+    // 该任务所属的父任务列表
+    private TaskList mParent;
+
+    //创建一个新的空任务的构造函数
+    public Task() {
+        super();
+        mCompleted = false;
+        mNotes = null;
+        mPriorSibling = null;
+        mParent = null;
+        mMetaInfo = null;
+    }
+
+    //从JSON对象创建任务的构造函数
+    //如果JSON对象不符合预期的格式，则抛出异常。
+    public Task(JSONObject jsonObject) throws JSONException {
+        super(jsonObject);
+        mCompleted = jsonObject.getBoolean(GTaskStringUtils.STATUS);
+        mNotes = jsonObject.optString(GTaskStringUtils.NOTES);
+        mMetaInfo = jsonObject.optJSONObject(GTaskStringUtils.META_DATA);
+    }
+
+    public JSONObject getCreateAction(int actionId) {
+        JSONObject js = new JSONObject();
+
+        try {
+            // action_id 操作ID
+            js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
+
+            // index 任务在父任务列表中的位置
+            js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this));
+
+            // entity_delta 任务实体信息
+            JSONObject entity = new JSONObject();
+            entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); // 任务名称
+            entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null"); // 创建者ID
+            entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE,
+                    GTaskStringUtils.GTASK_JSON_TYPE_TASK); // 实体类型为任务
+            if (getNotes() != null) {
+                entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes()); // 关联的备注信息
+            }
+            js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
+
+            // parent_id 父任务列表ID
+            js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid());
+
+            // dest_parent_type 目标父实体类型
+            js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE,
+                    GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
+
+            // list_id 任务列表ID
+            js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid());
+
+            // prior_sibling_id 前置任务ID
+            if (mPriorSibling != null) {
+                js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid());
+            }
+
+
+        } catch (JSONException e) {
+            Log.e(TAG, e.toString());
+            e.printStackTrace();
+            throw new ActionFailureException("fail to generate task-create jsonobject");
+        }
+
+        return js;
+    }
+
+    public JSONObject getUpdateAction(int actionId) {
+        JSONObject js = new JSONObject();
+
+        try {
+            // action_id 操作ID
+            js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
+
+            // id 任务ID
+            js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
+
+            // entity_delta 任务实体信息
+            JSONObject entity = new JSONObject();
+            entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); // 任务名称
+            if (getNotes() != null) {
+                entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes()); // 关联的备注信息
+            }
+            entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted()); // 是否被删除
+            js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
+
+        } catch (JSONException e) {
+            Log.e(TAG, e.toString());
+            e.printStackTrace();
+            throw new ActionFailureException("fail to generate task-update jsonobject");
+        }
+
+        return js;
+    }
+
+    public void setContentByRemoteJSON(JSONObject js) {
+        if (js != null) {
+            try {
+                // id
+                if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
+                    setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
+                }
+
+                // last_modified 最近修改时间
+                if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) {
+                    setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED));
+                }
+
+                // name 任务名称
+                if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) {
+                    setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
+                }
+
+                // notes 关联的备注信息
+                if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) {
+                    setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES));
+                }
+
+                // deleted 是否被删除
+                if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) {
+                    setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED));
+                }
+
+                // completed 是否已完成
+                if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) {
+                    setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED));
+                }
+            } catch (JSONException e) {
+                Log.e(TAG, e.toString());
+                e.printStackTrace();
+                throw new ActionFailureException("fail to get task content from jsonobject");
+            }
+        }
+
+    }
+    //将本地存储的JSON对象中的内容设置到任务对象中。
+    public void setContentByLocalJSON(JSONObject js) {
+        if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)
+                || !js.has(GTaskStringUtils.META_HEAD_DATA)) {
+            Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");
+        }
+
+        try {
+            JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
+            JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
+
+            if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_NOTE) {
+                Log.e(TAG, "invalid type");
+                return;
+            }
+
+            for (int i = 0; i < dataArray.length(); i++) {
+                JSONObject data = dataArray.getJSONObject(i);
+                if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
+                    setName(data.getString(DataColumns.CONTENT));   // 设置任务名称为备注内容
+                    break;
+                }
+            }
+
+        } catch (JSONException e) {
+            Log.e(TAG, e.toString());
+            e.printStackTrace();
+        }
+    }
+    //从任务对象中获取本地存储的JSON对象。
+    public JSONObject getLocalJSONFromContent() {
+        String name = getName();
+        try {
+            if (mMetaInfo == null) {
+                // 从Web创建的新任务
+                if (name == null) {
+                    Log.w(TAG, "the note seems to be an empty one");
+                    return null;
+                }
+
+                JSONObject js = new JSONObject();
+                JSONObject note = new JSONObject();
+                JSONArray dataArray = new JSONArray();
+                JSONObject data = new JSONObject();
+                data.put(DataColumns.CONTENT, name);
+                dataArray.put(data);
+                js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
+                note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
+                js.put(GTaskStringUtils.META_HEAD_NOTE, note);
+                return js;
+            } else {
+                // 已同步的任务
+                JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
+                JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
+
+                for (int i = 0; i < dataArray.length(); i++) {
+                    JSONObject data = dataArray.getJSONObject(i);
+                    if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
+                        data.put(DataColumns.CONTENT, getName()); // 更新备注内容为任务名称
+                        break;
+                    }
+                }
+
+                note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
+                return mMetaInfo;
+            }
+        } catch (JSONException e) {
+            Log.e(TAG, e.toString());
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+    public void setMetaInfo(MetaData metaData) {
+        if (metaData != null && metaData.getNotes() != null) {
+            try {
+                mMetaInfo = new JSONObject(metaData.getNotes());
+            } catch (JSONException e) {
+                Log.w(TAG, e.toString());
+                mMetaInfo = null;
+            }
+        }
+    }
+    //根据传入的Cursor对象获取同步任务的操作类型。
+    public int getSyncAction(Cursor c) {
+        try {
+            JSONObject noteInfo = null;
+            if (mMetaInfo != null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) {
+                noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
+            }
+
+            if (noteInfo == null) {
+                Log.w(TAG, "it seems that note meta has been deleted");
+                return SYNC_ACTION_UPDATE_REMOTE;
+            }
+
+            if (!noteInfo.has(NoteColumns.ID)) {
+                Log.w(TAG, "remote note id seems to be deleted");
+                return SYNC_ACTION_UPDATE_LOCAL;
+            }
+
+            // 验证笔记ID是否匹配
+            if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) {
+                Log.w(TAG, "note id doesn't match");
+                return SYNC_ACTION_UPDATE_LOCAL;
+            }
+
+            if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
+                // 本地没有更新
+                if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
+                    // 双方都没有更新
+                    return SYNC_ACTION_NONE;
+                } else {
+                    // 应用远程更新到本地
+                    return SYNC_ACTION_UPDATE_LOCAL;
+                }
+            } else {
+                // 验证gtask id是否匹配
+                if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
+                    Log.e(TAG, "gtask id doesn't match");
+                    return SYNC_ACTION_ERROR;
+                }
+                if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
+                    // 仅有本地修改
+                    return SYNC_ACTION_UPDATE_REMOTE;
+                } else {
+                    // 本地和远程都有修改
+                    return SYNC_ACTION_UPDATE_CONFLICT;
+                }
+            }
+        } catch (Exception e) {
+            Log.e(TAG, e.toString());
+            e.printStackTrace();
+        }
+
+        return SYNC_ACTION_ERROR;
+    }
+    //判断是否值得保存。
+    // 如果有元数据、名称或笔记内容，则返回true，否则返回false
+    public boolean isWorthSaving() {
+        return mMetaInfo != null || (getName() != null && getName().trim().length() > 0)
+                || (getNotes() != null && getNotes().trim().length() > 0);
+    }
+    //设置任务是否已完成
+    public void setCompleted(boolean completed) {
+        this.mCompleted = completed;
+    }
+    //设置笔记内容
+    public void setNotes(String notes) {
+        this.mNotes = notes;
+    }
+    //设置前一个同级任务。
+    public void setPriorSibling(Task priorSibling) {
+        this.mPriorSibling = priorSibling;
+    }
+    //设置所属任务列表
+    public void setParent(TaskList parent) {
+        this.mParent = parent;
+    }
+   // 获取任务是否已完成
+    public boolean getCompleted() {
+        return this.mCompleted;
+    }
+    //获取笔记内容
+    public String getNotes() {
+        return this.mNotes;
+    }
+    //获取前一个同级任务。
+    public Task getPriorSibling() {
+        return this.mPriorSibling;
+    }
+    //获取所属任务列表
+    public TaskList getParent() {
+        return this.mParent;
+    }
+
+}
diff --git a/doc/data/TaskList.java b/doc/data/TaskList.java
new file mode 100644
index 0000000..81ac4d8
--- /dev/null
+++ b/doc/data/TaskList.java
@@ -0,0 +1,357 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.gtask.data;
+
+import android.database.Cursor;
+import android.util.Log;
+
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.gtask.exception.ActionFailureException;
+import net.micode.notes.tool.GTaskStringUtils;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+
+
+public class TaskList extends Node {
+    private static final String TAG = TaskList.class.getSimpleName();//tag标记
+
+    private int mIndex;//当前TaskList的指针
+
+    private ArrayList<Task> mChildren;//类中主要的保存数据的单元，用来实现一个以Task为元素的ArrayList
+
+    public TaskList() {
+        super();
+        mChildren = new ArrayList<Task>();
+        mIndex = 1;
+    }
+
+    // 生成并返回一个包含了一定数据的JSONObject实体
+    public JSONObject getCreateAction(int actionId) {
+        JSONObject js = new JSONObject();
+
+        try {
+            // action_type
+            js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
+                    GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE);
+
+            // action_id
+            js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
+
+            // index
+            js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex);
+
+            // entity_delta
+            JSONObject entity = new JSONObject();//entity实体
+            entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
+            entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
+            entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE,
+                    GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
+            js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
+
+        } catch (JSONException e) {
+            Log.e(TAG, e.toString());
+            e.printStackTrace();
+            throw new ActionFailureException("fail to generate tasklist-create jsonobject");
+        }
+
+        return js;
+    }
+
+    //生成并返回一个包含了一定数据的JSONObject实体
+    public JSONObject getUpdateAction(int actionId) {
+        JSONObject js = new JSONObject();
+
+        try {
+            // action_type
+            js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
+                    GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE);
+
+            // action_id
+            js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
+
+            // id
+            js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
+
+            // entity_delta
+            JSONObject entity = new JSONObject();
+            entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
+            entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted());
+            js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
+
+        } catch (JSONException e) {
+            Log.e(TAG, e.toString());
+            e.printStackTrace();
+            throw new ActionFailureException("fail to generate tasklist-update jsonobject");
+        }
+
+        return js;
+    }
+
+    public void setContentByRemoteJSON(JSONObject js) {
+        if (js != null) {
+            try {
+                // id
+                if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
+                    setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
+                }
+
+                // last_modified
+                if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) {
+                    setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED));
+                }
+
+                // name
+                if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) {
+                    setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
+                }
+
+            } catch (JSONException e) {
+                Log.e(TAG, e.toString());
+                e.printStackTrace();
+                throw new ActionFailureException("fail to get tasklist content from jsonobject");
+            }
+        }
+    }
+
+    public void setContentByLocalJSON(JSONObject js) {
+        if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)) {
+            Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");
+        }
+
+        try {
+            JSONObject folder = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
+
+            if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) {
+                String name = folder.getString(NoteColumns.SNIPPET);
+                setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + name);
+            } else if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) {
+                if (folder.getLong(NoteColumns.ID) == Notes.ID_ROOT_FOLDER)
+                    setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT);
+                else if (folder.getLong(NoteColumns.ID) == Notes.ID_CALL_RECORD_FOLDER)
+                    setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX
+                            + GTaskStringUtils.FOLDER_CALL_NOTE);
+                else
+                    Log.e(TAG, "invalid system folder");
+            } else {
+                Log.e(TAG, "error type");
+            }
+        } catch (JSONException e) {
+            Log.e(TAG, e.toString());
+            e.printStackTrace();
+        }
+    }
+
+    public JSONObject getLocalJSONFromContent() {
+        try {
+            JSONObject js = new JSONObject();
+            JSONObject folder = new JSONObject();
+
+            String folderName = getName();
+            if (getName().startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX))
+                folderName = folderName.substring(GTaskStringUtils.MIUI_FOLDER_PREFFIX.length(),
+                        folderName.length());
+            folder.put(NoteColumns.SNIPPET, folderName);
+            if (folderName.equals(GTaskStringUtils.FOLDER_DEFAULT)
+                    || folderName.equals(GTaskStringUtils.FOLDER_CALL_NOTE))
+                folder.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
+            else
+                folder.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
+
+            js.put(GTaskStringUtils.META_HEAD_NOTE, folder);
+
+            return js;
+        } catch (JSONException e) {
+            Log.e(TAG, e.toString());
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+    public int getSyncAction(Cursor c) {
+        try {
+            if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
+                // there is no local update
+                if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
+                    // no update both side
+                    return SYNC_ACTION_NONE;
+                } else {
+                    // apply remote to local
+                    return SYNC_ACTION_UPDATE_LOCAL;
+                }
+            } else {
+                // validate gtask id
+                if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
+                    Log.e(TAG, "gtask id doesn't match");
+                    return SYNC_ACTION_ERROR;
+                }
+                if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
+                    // local modification only
+                    return SYNC_ACTION_UPDATE_REMOTE;
+                } else {
+                    // for folder conflicts, just apply local modification
+                    return SYNC_ACTION_UPDATE_REMOTE;
+                }
+            }
+        } catch (Exception e) {
+            Log.e(TAG, e.toString());
+            e.printStackTrace();
+        }
+
+        return SYNC_ACTION_ERROR;
+    }
+
+    //获得TaskList的大小，即mChildren的大小
+    public int getChildTaskCount() {
+        return mChildren.size();
+    }
+
+    //在当前任务表末尾添加新的任务
+    public boolean addChildTask(Task task) {
+        boolean ret = false;
+        if (task != null && !mChildren.contains(task)) {
+            ret = mChildren.add(task);
+            if (ret) {
+                // need to set prior sibling and parent
+                task.setPriorSibling(mChildren.isEmpty() ? null : mChildren
+                        .get(mChildren.size() - 1));
+                task.setParent(this);
+                //每一次ArrayList的变化都要紧跟相关Task中PriorSibling
+
+            }
+        }
+        return ret;
+    }
+
+    //在当前任务表的指定位置添加新的任务
+    public boolean addChildTask(Task task, int index) {
+        if (index < 0 || index > mChildren.size()) {
+            Log.e(TAG, "add child task: invalid index");
+            return false;
+        }
+
+        int pos = mChildren.indexOf(task);
+        if (task != null && pos == -1) {
+            mChildren.add(index, task);
+
+            // update the task list
+            Task preTask = null;
+            Task afterTask = null;
+            if (index != 0)
+                preTask = mChildren.get(index - 1);
+            if (index != mChildren.size() - 1)
+                afterTask = mChildren.get(index + 1);
+
+            task.setPriorSibling(preTask);
+            if (afterTask != null)
+                afterTask.setPriorSibling(task);
+        }
+
+        return true;
+    }
+
+    //删除TaskList中的一个Task
+    public boolean removeChildTask(Task task) {
+        boolean ret = false;
+        int index = mChildren.indexOf(task);
+        if (index != -1) {
+            ret = mChildren.remove(task);
+
+            if (ret) {
+                // reset prior sibling and parent
+                task.setPriorSibling(null);
+                task.setParent(null);
+
+                // update the task list
+                if (index != mChildren.size()) {
+                    mChildren.get(index).setPriorSibling(
+                            index == 0 ? null : mChildren.get(index - 1));
+                }
+            }
+        }
+        return ret;
+    }
+
+    //将当前TaskList中含有的某个Task移到index位置
+    public boolean moveChildTask(Task task, int index) {
+
+        if (index < 0 || index >= mChildren.size()) {
+            Log.e(TAG, "move child task: invalid index");
+            return false;
+        }
+
+        int pos = mChildren.indexOf(task);
+        if (pos == -1) {
+            Log.e(TAG, "move child task: the task should in the list");
+            return false;
+        }
+
+        if (pos == index)
+            return true;
+        return (removeChildTask(task) && addChildTask(task, index));
+        //利用已实现好的功能完成当下功能；
+    }
+
+    //功能：按gid寻找Task
+    public Task findChildTaskByGid(String gid) {
+        for (int i = 0; i < mChildren.size(); i++) {
+            Task t = mChildren.get(i);
+            if (t.getGid().equals(gid)) {
+                return t;
+            }
+        }
+        return null;
+    }
+
+    //返回指定Task的index
+    public int getChildTaskIndex(Task task) {
+        return mChildren.indexOf(task);
+    }
+
+    //返回指定index的Task
+    public Task getChildTaskByIndex(int index) {
+        if (index < 0 || index >= mChildren.size()) {
+            Log.e(TAG, "getTaskByIndex: invalid index");
+            return null;
+        }
+        return mChildren.get(index);
+    }
+
+    //返回指定gid的Task
+    public Task getChilTaskByGid(String gid) {
+        for (Task task : mChildren) {//一种常见的ArrayList的遍历方法（四种，见精读笔记）
+            if (task.getGid().equals(gid))
+                return task;
+        }
+        return null;
+    }
+
+    public ArrayList<Task> getChildTaskList() {
+        return this.mChildren;
+    }
+
+    public void setIndex(int index) {
+        this.mIndex = index;
+    }
+
+    public int getIndex() {
+        return this.mIndex;
+    }
+}
\ No newline at end of file
diff --git a/doc/remote/GTaskASyncTask.java b/doc/remote/GTaskASyncTask.java
new file mode 100644
index 0000000..d7bd6da
--- /dev/null
+++ b/doc/remote/GTaskASyncTask.java
@@ -0,0 +1,123 @@
+
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.gtask.remote;
+
+import android.app.Notification;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.content.Context;
+import android.content.Intent;
+import android.os.AsyncTask;
+
+import net.micode.notes.R;//引入android自动生成的R类
+import net.micode.notes.ui.NotesListActivity;
+import net.micode.notes.ui.NotesPreferenceActivity;
+
+//类：扩展于AysyncTask类，是用来处理GTask的异步任务的类
+public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
+
+    private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
+
+    public interface OnCompleteListener {//通过interface实现多个接口，接口为OnCompleteListener，用来初始化异步的功能
+        void onComplete();
+    }
+
+    private Context mContext;
+
+    private NotificationManager mNotifiManager;
+
+    private GTaskManager mTaskManager;
+    //函数： GTaskASyncTask类的构造函数
+    private OnCompleteListener mOnCompleteListener;
+
+    public GTaskASyncTask(Context context, OnCompleteListener listener) {
+        mContext = context;
+        mOnCompleteListener = listener;
+        mNotifiManager = (NotificationManager) mContext
+                .getSystemService(Context.NOTIFICATION_SERVICE);
+        mTaskManager = GTaskManager.getInstance();
+    }
+    //方法：中断同步操作
+    public void cancelSync() {
+        mTaskManager.cancelSync();
+    }
+    //方法： 提交后台进度，并调用onProgressUpdate方法来更新进度条
+    public void publishProgess(String message) {
+        publishProgress(new String[] {
+            message
+        });
+    }
+    //方法：显示通知消息，在这里主要用于向用户通知同步的进程
+    private void showNotification(int tickerId, String content) {
+        Notification notification = new Notification(R.drawable.notification, mContext
+                .getString(tickerId), System.currentTimeMillis());
+        notification.defaults = Notification.DEFAULT_LIGHTS;
+        notification.flags = Notification.FLAG_AUTO_CANCEL;
+        PendingIntent pendingIntent;
+        if (tickerId != R.string.ticker_success) {
+            pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
+                    NotesPreferenceActivity.class), 0);
+
+        } else {
+            pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
+                    NotesListActivity.class), 0);
+        }
+        /*notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content,
+                pendingIntent);*/
+        mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);
+    }
+    //方法：异步执行后台线程将要完成的任务
+    @Override
+    protected Integer doInBackground(Void... unused) {
+        publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
+                .getSyncAccountName(mContext)));
+        return mTaskManager.sync(mContext, this);
+    }
+    //方法：在调用publishProgress时，该方法被执行，并将进度信息更新到UI组件中
+    @Override
+    protected void onProgressUpdate(String... progress) {
+        showNotification(R.string.ticker_syncing, progress[0]);
+        if (mContext instanceof GTaskSyncService) {
+            ((GTaskSyncService) mContext).sendBroadcast(progress[0]);
+        }
+    }
+    //方法： 在dolnBackground执行完成后，该方法会被UI线程调用，将后台的计算结果传递到UI进程，并在界面上展示出来
+    @Override
+    protected void onPostExecute(Integer result) {
+        if (result == GTaskManager.STATE_SUCCESS) {
+            showNotification(R.string.ticker_success, mContext.getString(
+                    R.string.success_sync_account, mTaskManager.getSyncAccount()));
+            NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis());
+        } else if (result == GTaskManager.STATE_NETWORK_ERROR) {
+            showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network));
+        } else if (result == GTaskManager.STATE_INTERNAL_ERROR) {
+            showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal));
+        } else if (result == GTaskManager.STATE_SYNC_CANCELLED) {
+            showNotification(R.string.ticker_cancel, mContext
+                    .getString(R.string.error_sync_cancelled));
+        }
+        if (mOnCompleteListener != null) {
+            new Thread(new Runnable() {
+
+                public void run() {
+                    mOnCompleteListener.onComplete();
+                }
+            }).start();
+        }
+    }
+}
diff --git a/doc/remote/GTaskClient.java b/doc/remote/GTaskClient.java
new file mode 100644
index 0000000..c9c8bf6
--- /dev/null
+++ b/doc/remote/GTaskClient.java
@@ -0,0 +1,662 @@
+ /*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.gtask.remote;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.accounts.AccountManagerFuture;
+import android.app.Activity;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.util.Log;
+
+import net.micode.notes.gtask.data.Node;
+import net.micode.notes.gtask.data.Task;
+import net.micode.notes.gtask.data.TaskList;
+import net.micode.notes.gtask.exception.ActionFailureException;
+import net.micode.notes.gtask.exception.NetworkFailureException;
+import net.micode.notes.tool.GTaskStringUtils;
+import net.micode.notes.ui.NotesPreferenceActivity;
+
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.ClientProtocolException;
+import org.apache.http.client.entity.UrlEncodedFormEntity;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.cookie.Cookie;
+import org.apache.http.impl.client.BasicCookieStore;
+import org.apache.http.impl.client.DefaultHttpClient;
+import org.apache.http.message.BasicNameValuePair;
+import org.apache.http.params.BasicHttpParams;
+import org.apache.http.params.HttpConnectionParams;
+import org.apache.http.params.HttpParams;
+import org.apache.http.params.HttpProtocolParams;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.zip.GZIPInputStream;
+import java.util.zip.Inflater;
+import java.util.zip.InflaterInputStream;
+
+
+ public class GTaskClient {
+     private static final String TAG = GTaskClient.class.getSimpleName();
+
+     private static final String GTASK_URL = "https://mail.google.com/tasks/";
+
+     private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig";
+
+     private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig";
+
+     private static GTaskClient mInstance = null;
+
+     private DefaultHttpClient mHttpClient;
+
+     private String mGetUrl;
+
+     private String mPostUrl;
+
+     private long mClientVersion;
+
+     private boolean mLoggedin;
+
+     private long mLastLoginTime;
+
+     private int mActionId;
+
+     private Account mAccount;
+
+     private JSONArray mUpdateArray;
+
+     private GTaskClient() {
+         mHttpClient = null;
+         mGetUrl = GTASK_GET_URL;
+         mPostUrl = GTASK_POST_URL;
+         mClientVersion = -1;
+         mLoggedin = false;
+         mLastLoginTime = 0;
+         mActionId = 1;
+         mAccount = null;
+         mUpdateArray = null;
+     }
+
+     /*用来获取的实例化对象
+      * 使用 getInstance()
+      * 返回mInstance这个实例化对象
+      */
+     public static synchronized GTaskClient getInstance() {
+         if (mInstance == null) {
+             mInstance = new GTaskClient();
+         }
+         return mInstance;
+     }
+
+     //用来实现登录操作的函数，传入Activity
+     public boolean login(Activity activity) {
+         // we suppose that the cookie would expire after 5 minutes
+         // then we need to re-login
+         //判断距离最后一次登录操作是否超过5分钟
+         final long interval = 1000 * 60 * 5;
+         if (mLastLoginTime + interval < System.currentTimeMillis()) {
+             mLoggedin = false;
+         }
+
+         // need to re-login after account switch  重新登录操作
+         if (mLoggedin
+                 && !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity
+                 .getSyncAccountName(activity))) {
+             mLoggedin = false;
+         }
+
+         //如果没超过时间，则不需要重新登录
+         if (mLoggedin) {
+             Log.d(TAG, "already logged in");
+             return true;
+         }
+
+         mLastLoginTime = System.currentTimeMillis();//更新最后登录时间，改为系统当前的时间
+         String authToken = loginGoogleAccount(activity, false);//判断是否登录到谷歌账户
+         if (authToken == null) {
+             Log.e(TAG, "login google account failed");
+             return false;
+         }
+
+         // login with custom domain if necessary
+         //尝试使用用户自己的域名登录
+         if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase() //将用户账号名改为统一格式（小写）后判断是否为一个谷歌账号地址
+                 .endsWith("googlemail.com"))) {
+             StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
+             int index = mAccount.name.indexOf('@') + 1;
+             String suffix = mAccount.name.substring(index);
+             url.append(suffix + "/");
+             mGetUrl = url.toString() + "ig";  //设置用户对应的getUrl
+             mPostUrl = url.toString() + "r/ig";  //设置用户对应的postUrl
+
+             if (tryToLoginGtask(activity, authToken)) {
+                 mLoggedin = true;
+             }
+         }
+
+         // try to login with google official url
+         //如果用户账户无法登录，则使用谷歌官方的URI进行登录
+         if (!mLoggedin) {
+             mGetUrl = GTASK_GET_URL;
+             mPostUrl = GTASK_POST_URL;
+             if (!tryToLoginGtask(activity, authToken)) {
+                 return false;
+             }
+         }
+
+         mLoggedin = true;
+         return true;
+     }
+
+     //具体实现登录谷歌账户
+
+     private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
+         String authToken;  //令牌，是登录操作保证安全性的一个方法
+         AccountManager accountManager = AccountManager.get(activity);//AccountManager这个类给用户提供了集中注册账号的接口
+         Account[] accounts = accountManager.getAccountsByType("com.google");//获取全部以com.google结尾的account
+
+         if (accounts.length == 0) {
+             Log.e(TAG, "there is no available google account");
+             return null;
+         }
+
+         String accountName = NotesPreferenceActivity.getSyncAccountName(activity);
+         Account account = null;
+         //遍历获得的accounts信息，寻找已经记录过的账户信息
+         for (Account a : accounts) {
+             if (a.name.equals(accountName)) {
+                 account = a;
+                 break;
+             }
+         }
+         if (account != null) {
+             mAccount = account;
+         } else {
+             Log.e(TAG, "unable to get an account with the same name in the settings");
+             return null;
+         }
+
+         // get the token now
+         //获取选中账号的令牌
+         AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account,
+                 "goanna_mobile", null, activity, null, null);
+         try {
+             Bundle authTokenBundle = accountManagerFuture.getResult();
+             authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN);
+             //如果是invalidateToken，那么需要调用invalidateAuthToken(String, String)方法废除这个无效token
+             if (invalidateToken) {
+                 accountManager.invalidateAuthToken("com.google", authToken);
+                 loginGoogleAccount(activity, false);
+             }
+         } catch (Exception e) {
+             Log.e(TAG, "get auth token failed");
+             authToken = null;
+         }
+
+         return authToken;
+     }
+
+     //尝试登陆Gtask，这只是一个预先判断令牌是否是有效以及是否能登上GTask的方法,而不是具体实现登陆的方法
+     private boolean tryToLoginGtask(Activity activity, String authToken) {
+         if (!loginGtask(authToken)) {
+             // maybe the auth token is out of authTokedate, now let's invalidate the
+             // token and try again
+             //删除过一个无效的authToken，申请一个新的后再次尝试登陆
+             authToken = loginGoogleAccount(activity, true);
+             if (authToken == null) {
+                 Log.e(TAG, "login google account failed");
+                 return false;
+             }
+
+             if (!loginGtask(authToken)) {
+                 Log.e(TAG, "login gtask failed");
+                 return false;
+             }
+         }
+         return true;
+     }
+
+     //实现登录GTask的具体操作
+     private boolean loginGtask(String authToken) {
+         int timeoutConnection = 10000;
+         int timeoutSocket = 15000;  //socket是一种通信连接实现数据的交换的端口
+         HttpParams httpParameters = new BasicHttpParams(); //实例化一个新的HTTP参数类
+         HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);//设置连接超时时间
+         HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);//设置设置端口超时时间
+         mHttpClient = new DefaultHttpClient(httpParameters);
+         BasicCookieStore localBasicCookieStore = new BasicCookieStore(); //设置本地cookie
+         mHttpClient.setCookieStore(localBasicCookieStore);
+         HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);
+
+         // login gtask
+         try {
+             String loginUrl = mGetUrl + "?auth=" + authToken;  //设置登录的url
+             HttpGet httpGet = new HttpGet(loginUrl);  //通过登录的uri实例化网页上资源的查找
+             HttpResponse response = null;
+             response = mHttpClient.execute(httpGet);
+
+             // get the cookie now
+             //获取CookieStore里存放的cookie,看如果存有“GTL(不知道什么意思)”，则说明有验证成功的有效的cookie
+             List<Cookie> cookies = mHttpClient.getCookieStore().getCookies();
+             boolean hasAuthCookie = false;
+             for (Cookie cookie : cookies) {
+                 if (cookie.getName().contains("GTL")) {
+                     hasAuthCookie = true;
+                 }
+             }
+             if (!hasAuthCookie) {
+                 Log.w(TAG, "it seems that there is no auth cookie");
+             }
+
+             // get the client version
+             //获取client的内容，具体操作是在返回的Content中截取从_setup(开始到)}</script>中间的字符串内容，也就是gtask_url的内容
+             String resString = getResponseContent(response.getEntity());
+             String jsBegin = "_setup(";
+             String jsEnd = ")}</script>";
+             int begin = resString.indexOf(jsBegin);
+             int end = resString.lastIndexOf(jsEnd);
+             String jsString = null;
+             if (begin != -1 && end != -1 && begin < end) {
+                 jsString = resString.substring(begin + jsBegin.length(), end);
+             }
+             JSONObject js = new JSONObject(jsString);
+             mClientVersion = js.getLong("v");
+         } catch (JSONException e) {
+             Log.e(TAG, e.toString());
+             e.printStackTrace();
+             return false;
+         } catch (Exception e) {
+             // simply catch all exceptions
+             Log.e(TAG, "httpget gtask_url failed");
+             return false;
+         }
+
+         return true;
+     }
+
+     private int getActionId() {
+         return mActionId++;
+     }
+
+     /*实例化创建一个用于向网络传输数据的对象
+      * 使用HttpPost类
+      * 返回一个httpPost实例化对象，但里面还没有内容
+      */
+     private HttpPost createHttpPost() {
+         HttpPost httpPost = new HttpPost(mPostUrl);
+         httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
+         httpPost.setHeader("AT", "1");
+         return httpPost;
+     }
+
+     /*通过URL获取响应后返回的数据，也就是网络上的数据和资源
+      * 使用getContentEncoding()获取网络上的资源和数据
+      * 返回值就是获取到的资源
+      */
+     private String getResponseContent(HttpEntity entity) throws IOException {
+         String contentEncoding = null;
+         if (entity.getContentEncoding() != null) {//通过URL得到HttpEntity对象，如果不为空则使用getContent（）方法创建一个流将数据从网络都过来
+             contentEncoding = entity.getContentEncoding().getValue();
+             Log.d(TAG, "encoding: " + contentEncoding);
+         }
+
+         InputStream input = entity.getContent();
+         if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {//GZIP是使用DEFLATE进行压缩数据的另一个压缩库
+             input = new GZIPInputStream(entity.getContent());
+         } else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {//DEFLATE是一个无专利的压缩算法，它可以实现无损数据压缩
+             Inflater inflater = new Inflater(true);
+             input = new InflaterInputStream(entity.getContent(), inflater);
+         }
+
+         try {
+             InputStreamReader isr = new InputStreamReader(input);
+             BufferedReader br = new BufferedReader(isr);//是一个包装类，它可以包装字符流，将字符流放入缓存里，先把字符读到缓存里，到缓存满了时候，再读入内存，是为了提供读的效率而设计的
+             StringBuilder sb = new StringBuilder();
+
+             while (true) {
+                 String buff = br.readLine();
+                 if (buff == null) {
+                     return sb.toString();
+                 }
+                 sb = sb.append(buff);
+             }
+         } finally {
+             input.close();
+         }
+     }
+
+     /*通过JSON发送请求
+      * 请求的具体内容在json的实例化对象js中然后传入
+      * 利用UrlEncodedFormEntity entity和httpPost.setEntity(entity)方法把js中的内容放置到httpPost中
+      * 执行请求后使用getResponseContent方法得到返回的数据和资源
+      * 将资源再次放入json后返回
+      */
+     private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
+         if (!mLoggedin) {//未登录
+             Log.e(TAG, "please login first");
+             throw new ActionFailureException("not logged in");
+         }
+
+         //实例化一个httpPost的对象用来向服务器传输数据，在这里就是发送请求，而请求的内容在js里
+         HttpPost httpPost = createHttpPost();
+         try {
+             LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
+             list.add(new BasicNameValuePair("r", js.toString()));
+             UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); //UrlEncodedFormEntity()的形式比较单一，是普通的键值对
+             httpPost.setEntity(entity);
+
+             // execute the post
+             //执行这个请求
+             HttpResponse response = mHttpClient.execute(httpPost);
+             String jsString = getResponseContent(response.getEntity());
+             return new JSONObject(jsString);
+
+         } catch (ClientProtocolException e) {
+             Log.e(TAG, e.toString());
+             e.printStackTrace();
+             throw new NetworkFailureException("postRequest failed");
+         } catch (IOException e) {
+             Log.e(TAG, e.toString());
+             e.printStackTrace();
+             throw new NetworkFailureException("postRequest failed");
+         } catch (JSONException e) {
+             Log.e(TAG, e.toString());
+             e.printStackTrace();
+             throw new ActionFailureException("unable to convert response content to jsonobject");
+         } catch (Exception e) {
+             Log.e(TAG, e.toString());
+             e.printStackTrace();
+             throw new ActionFailureException("error occurs when posting request");
+         }
+     }
+
+     /*创建单个任务
+      * 传入参数是一个.gtask.data.Task包里Task类的对象
+      * 利用json获取Task里的内容,并且创建相应的jsPost
+      * 利用postRequest得到任务的返回信息
+      * 使用task.setGid设置task的new_ID
+      */
+     public void createTask(Task task) throws NetworkFailureException {
+         commitUpdate();
+         try {
+             JSONObject jsPost = new JSONObject();
+             JSONArray actionList = new JSONArray();
+
+             // action_list
+             actionList.put(task.getCreateAction(getActionId()));
+             jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
+
+             // client_version
+             jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
+
+             // post
+             JSONObject jsResponse = postRequest(jsPost);
+             JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
+                     GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
+             task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
+
+         } catch (JSONException e) {
+             Log.e(TAG, e.toString());
+             e.printStackTrace();
+             throw new ActionFailureException("create task: handing jsonobject failed");
+         }
+     }
+
+     /*
+      * 创建一个任务列表，与createTask几乎一样，区别就是最后设置的是tasklist的gid
+      */
+     public void createTaskList(TaskList tasklist) throws NetworkFailureException {
+         commitUpdate();
+         try {
+             JSONObject jsPost = new JSONObject();
+             JSONArray actionList = new JSONArray();
+
+             // action_list
+             actionList.put(tasklist.getCreateAction(getActionId()));
+             jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
+
+             // client version
+             jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
+
+             // post
+             JSONObject jsResponse = postRequest(jsPost);
+             JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
+                     GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
+             tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
+
+         } catch (JSONException e) {
+             Log.e(TAG, e.toString());
+             e.printStackTrace();
+             throw new ActionFailureException("create tasklist: handing jsonobject failed");
+         }
+     }
+
+     /*
+      * 同步更新操作
+      * 使用JSONObject进行数据存储，使用jsPost.put，Put的信息包括UpdateArray和ClientVersion
+      * 使用postRequest发送这个jspost,进行处理
+      */
+     public void commitUpdate() throws NetworkFailureException {
+         if (mUpdateArray != null) {
+             try {
+                 JSONObject jsPost = new JSONObject();
+
+                 // action_list
+                 jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray);
+
+                 // client_version
+                 jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
+
+                 postRequest(jsPost);
+                 mUpdateArray = null;
+             } catch (JSONException e) {
+                 Log.e(TAG, e.toString());
+                 e.printStackTrace();
+                 throw new ActionFailureException("commit update: handing jsonobject failed");
+             }
+         }
+     }
+
+     /*
+      * 添加更新的事项
+      * 调用commitUpdate()实现
+      */
+     public void addUpdateNode(Node node) throws NetworkFailureException {
+         if (node != null) {
+             // too many update items may result in an error
+             // set max to 10 items
+             if (mUpdateArray != null && mUpdateArray.length() > 10) {
+                 commitUpdate();
+             }
+
+             if (mUpdateArray == null)
+                 mUpdateArray = new JSONArray();
+             mUpdateArray.put(node.getUpdateAction(getActionId()));
+         }
+     }
+
+     /*
+      * 移动task,比如讲task移动到不同的task列表中去
+      * 通过getGid获取task所属列表的gid
+      * 通过JSONObject.put(String name, Object value)函数设置移动后的task的相关属性值，从而达到移动的目的
+      * 最后还是通过postRequest进行更新后的发送
+      */
+     public void moveTask(Task task, TaskList preParent, TaskList curParent)
+             throws NetworkFailureException {
+         commitUpdate();
+         try {
+             JSONObject jsPost = new JSONObject();
+             JSONArray actionList = new JSONArray();
+             JSONObject action = new JSONObject();
+
+             // action_list
+             action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
+                     GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE);
+             action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
+             action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid());
+             if (preParent == curParent && task.getPriorSibling() != null) {
+                 // put prioring_sibing_id only if moving within the tasklist and
+                 // it is not the first one
+                 //设置优先级ID，只有当移动是发生在文件中
+                 action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling());
+             }
+             action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid());  //设置移动前所属列表
+             action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid());  //设置当前所属列表
+             if (preParent != curParent) {
+                 // put the dest_list only if moving between tasklists
+                 action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
+             }
+             actionList.put(action);
+             //最后将ACTION_LIST加入到jsPost中
+             jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
+
+             // client_version
+             jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
+
+             postRequest(jsPost);
+
+         } catch (JSONException e) {
+             Log.e(TAG, e.toString());
+             e.printStackTrace();
+             throw new ActionFailureException("move task: handing jsonobject failed");
+         }
+     }
+
+     /*
+      * 删除操作节点
+      * 还是利用JSON
+      * 删除过后使用postRequest发送删除后的结果
+      */
+     public void deleteNode(Node node) throws NetworkFailureException {
+         commitUpdate();
+         try {
+             JSONObject jsPost = new JSONObject();
+             JSONArray actionList = new JSONArray();
+
+             // action_list
+             node.setDeleted(true);
+             actionList.put(node.getUpdateAction(getActionId()));  //这里会获取到删除操作的ID，加入到actionLiast中
+             jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
+
+             // client_version
+             jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
+
+             postRequest(jsPost);
+             mUpdateArray = null;
+         } catch (JSONException e) {
+             Log.e(TAG, e.toString());
+             e.printStackTrace();
+             throw new ActionFailureException("delete node: handing jsonobject failed");
+         }
+     }
+
+     /*
+      * 获取任务列表
+      * 首先通过GetURI使用getResponseContent从网上获取数据
+      * 然后筛选出"_setup("到)}</script>的部分，并且从中获取GTASK_JSON_LISTS的内容返回
+      */
+     public JSONArray getTaskLists() throws NetworkFailureException {
+         if (!mLoggedin) {
+             Log.e(TAG, "please login first");
+             throw new ActionFailureException("not logged in");
+         }
+
+         try {
+             HttpGet httpGet = new HttpGet(mGetUrl);
+             HttpResponse response = null;
+             response = mHttpClient.execute(httpGet);
+
+             // get the task list
+             //筛选工作，把筛选出的字符串放入jsString
+             String resString = getResponseContent(response.getEntity());
+             String jsBegin = "_setup(";
+             String jsEnd = ")}</script>";
+             int begin = resString.indexOf(jsBegin);
+             int end = resString.lastIndexOf(jsEnd);
+             String jsString = null;
+             if (begin != -1 && end != -1 && begin < end) {
+                 jsString = resString.substring(begin + jsBegin.length(), end);
+             }
+             JSONObject js = new JSONObject(jsString);
+             //获取GTASK_JSON_LISTS
+             return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS);
+         } catch (ClientProtocolException e) {
+             Log.e(TAG, e.toString());
+             e.printStackTrace();
+             throw new NetworkFailureException("gettasklists: httpget failed");
+         } catch (IOException e) {
+             Log.e(TAG, e.toString());
+             e.printStackTrace();
+             throw new NetworkFailureException("gettasklists: httpget failed");
+         } catch (JSONException e) {
+             Log.e(TAG, e.toString());
+             e.printStackTrace();
+             throw new ActionFailureException("get task lists: handing jasonobject failed");
+         }
+     }
+
+     /*
+      * 通过传入的TASKList的gid,从网络上获取相应属于这个任务列表的任务
+      */
+     public JSONArray getTaskList(String listGid) throws NetworkFailureException {
+         commitUpdate();
+         try {
+             JSONObject jsPost = new JSONObject();
+             JSONArray actionList = new JSONArray();
+             JSONObject action = new JSONObject();
+
+             // action_list
+             action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
+                     GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL);
+             action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
+             action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid);    //这里设置为传入的listGid
+             action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false);
+             actionList.put(action);
+             jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
+
+             // client_version
+             jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
+
+             JSONObject jsResponse = postRequest(jsPost);
+             return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS);
+         } catch (JSONException e) {
+             Log.e(TAG, e.toString());
+             e.printStackTrace();
+             throw new ActionFailureException("get task list: handing jsonobject failed");
+         }
+     }
+
+     public Account getSyncAccount() {
+         return mAccount;
+     }
+
+     //重置更新的内容
+     public void resetUpdateArray() {
+         mUpdateArray = null;
+     }
+ }
\ No newline at end of file
diff --git a/doc/remote/GTaskManager.java b/doc/remote/GTaskManager.java
new file mode 100644
index 0000000..d2b4082
--- /dev/null
+++ b/doc/remote/GTaskManager.java
@@ -0,0 +1,800 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.gtask.remote;
+
+import android.app.Activity;
+import android.content.ContentResolver;
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.util.Log;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.DataColumns;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.gtask.data.MetaData;
+import net.micode.notes.gtask.data.Node;
+import net.micode.notes.gtask.data.SqlNote;
+import net.micode.notes.gtask.data.Task;
+import net.micode.notes.gtask.data.TaskList;
+import net.micode.notes.gtask.exception.ActionFailureException;
+import net.micode.notes.gtask.exception.NetworkFailureException;
+import net.micode.notes.tool.DataUtils;
+import net.micode.notes.tool.GTaskStringUtils;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Map;
+
+
+public class GTaskManager {
+    private static final String TAG = GTaskManager.class.getSimpleName();
+
+    public static final int STATE_SUCCESS = 0;
+
+    public static final int STATE_NETWORK_ERROR = 1;
+
+    public static final int STATE_INTERNAL_ERROR = 2;
+
+    public static final int STATE_SYNC_IN_PROGRESS = 3;
+
+    public static final int STATE_SYNC_CANCELLED = 4;
+
+    private static GTaskManager mInstance = null;
+
+    private Activity mActivity;
+
+    private Context mContext;
+
+    private ContentResolver mContentResolver;
+
+    private boolean mSyncing;
+
+    private boolean mCancelled;
+
+    private HashMap<String, TaskList> mGTaskListHashMap;
+
+    private HashMap<String, Node> mGTaskHashMap;
+
+    private HashMap<String, MetaData> mMetaHashMap;
+
+    private TaskList mMetaList;
+
+    private HashSet<Long> mLocalDeleteIdMap;
+
+    private HashMap<String, Long> mGidToNid;
+
+    private HashMap<Long, String> mNidToGid;
+
+    private GTaskManager() {
+        mSyncing = false;
+        mCancelled = false;
+        mGTaskListHashMap = new HashMap<String, TaskList>();
+        mGTaskHashMap = new HashMap<String, Node>();
+        mMetaHashMap = new HashMap<String, MetaData>();
+        mMetaList = null;
+        mLocalDeleteIdMap = new HashSet<Long>();
+        mGidToNid = new HashMap<String, Long>();
+        mNidToGid = new HashMap<Long, String>();
+    }
+
+    public static synchronized GTaskManager getInstance() {
+        if (mInstance == null) {
+            mInstance = new GTaskManager();
+        }
+        return mInstance;
+    }
+
+    public synchronized void setActivityContext(Activity activity) {
+        // used for getting authtoken
+        mActivity = activity;
+    }
+
+    public int sync(Context context, GTaskASyncTask asyncTask) {
+        if (mSyncing) {
+            Log.d(TAG, "Sync is in progress");
+            return STATE_SYNC_IN_PROGRESS;
+        }
+        mContext = context;
+        mContentResolver = mContext.getContentResolver();
+        mSyncing = true;
+        mCancelled = false;
+        mGTaskListHashMap.clear();
+        mGTaskHashMap.clear();
+        mMetaHashMap.clear();
+        mLocalDeleteIdMap.clear();
+        mGidToNid.clear();
+        mNidToGid.clear();
+
+        try {
+            GTaskClient client = GTaskClient.getInstance();
+            client.resetUpdateArray();
+
+            // login google task
+            if (!mCancelled) {
+                if (!client.login(mActivity)) {
+                    throw new NetworkFailureException("login google task failed");
+                }
+            }
+
+            // get the task list from google
+            asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list));
+            initGTaskList();
+
+            // do content sync work
+            asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing));
+            syncContent();
+        } catch (NetworkFailureException e) {
+            Log.e(TAG, e.toString());
+            return STATE_NETWORK_ERROR;
+        } catch (ActionFailureException e) {
+            Log.e(TAG, e.toString());
+            return STATE_INTERNAL_ERROR;
+        } catch (Exception e) {
+            Log.e(TAG, e.toString());
+            e.printStackTrace();
+            return STATE_INTERNAL_ERROR;
+        } finally {
+            mGTaskListHashMap.clear();
+            mGTaskHashMap.clear();
+            mMetaHashMap.clear();
+            mLocalDeleteIdMap.clear();
+            mGidToNid.clear();
+            mNidToGid.clear();
+            mSyncing = false;
+        }
+
+        return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS;
+    }
+
+    private void initGTaskList() throws NetworkFailureException {
+        if (mCancelled)
+            return;
+        GTaskClient client = GTaskClient.getInstance();
+        try {
+            JSONArray jsTaskLists = client.getTaskLists();
+
+            // init meta list first
+            mMetaList = null;
+            for (int i = 0; i < jsTaskLists.length(); i++) {
+                JSONObject object = jsTaskLists.getJSONObject(i);
+                String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
+                String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
+
+                if (name
+                        .equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) {
+                    mMetaList = new TaskList();
+                    mMetaList.setContentByRemoteJSON(object);
+
+                    // load meta data
+                    JSONArray jsMetas = client.getTaskList(gid);
+                    for (int j = 0; j < jsMetas.length(); j++) {
+                        object = (JSONObject) jsMetas.getJSONObject(j);
+                        MetaData metaData = new MetaData();
+                        metaData.setContentByRemoteJSON(object);
+                        if (metaData.isWorthSaving()) {
+                            mMetaList.addChildTask(metaData);
+                            if (metaData.getGid() != null) {
+                                mMetaHashMap.put(metaData.getRelatedGid(), metaData);
+                            }
+                        }
+                    }
+                }
+            }
+
+            // create meta list if not existed
+            if (mMetaList == null) {
+                mMetaList = new TaskList();
+                mMetaList.setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX
+                        + GTaskStringUtils.FOLDER_META);
+                GTaskClient.getInstance().createTaskList(mMetaList);
+            }
+
+            // init task list
+            for (int i = 0; i < jsTaskLists.length(); i++) {
+                JSONObject object = jsTaskLists.getJSONObject(i);
+                String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
+                String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
+
+                if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)
+                        && !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX
+                                + GTaskStringUtils.FOLDER_META)) {
+                    TaskList tasklist = new TaskList();
+                    tasklist.setContentByRemoteJSON(object);
+                    mGTaskListHashMap.put(gid, tasklist);
+                    mGTaskHashMap.put(gid, tasklist);
+
+                    // load tasks
+                    JSONArray jsTasks = client.getTaskList(gid);
+                    for (int j = 0; j < jsTasks.length(); j++) {
+                        object = (JSONObject) jsTasks.getJSONObject(j);
+                        gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
+                        Task task = new Task();
+                        task.setContentByRemoteJSON(object);
+                        if (task.isWorthSaving()) {
+                            task.setMetaInfo(mMetaHashMap.get(gid));
+                            tasklist.addChildTask(task);
+                            mGTaskHashMap.put(gid, task);
+                        }
+                    }
+                }
+            }
+        } catch (JSONException e) {
+            Log.e(TAG, e.toString());
+            e.printStackTrace();
+            throw new ActionFailureException("initGTaskList: handing JSONObject failed");
+        }
+    }
+
+    private void syncContent() throws NetworkFailureException {
+        int syncType;
+        Cursor c = null;
+        String gid;
+        Node node;
+
+        mLocalDeleteIdMap.clear();
+
+        if (mCancelled) {
+            return;
+        }
+
+        // for local deleted note
+        try {
+            c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
+                    "(type<>? AND parent_id=?)", new String[] {
+                            String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
+                    }, null);
+            if (c != null) {
+                while (c.moveToNext()) {
+                    gid = c.getString(SqlNote.GTASK_ID_COLUMN);
+                    node = mGTaskHashMap.get(gid);
+                    if (node != null) {
+                        mGTaskHashMap.remove(gid);
+                        doContentSync(Node.SYNC_ACTION_DEL_REMOTE, node, c);
+                    }
+
+                    mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN));
+                }
+            } else {
+                Log.w(TAG, "failed to query trash folder");
+            }
+        } finally {
+            if (c != null) {
+                c.close();
+                c = null;
+            }
+        }
+
+        // sync folder first
+        syncFolder();
+
+        // for note existing in database
+        try {
+            c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
+                    "(type=? AND parent_id<>?)", new String[] {
+                            String.valueOf(Notes.TYPE_NOTE), String.valueOf(Notes.ID_TRASH_FOLER)
+                    }, NoteColumns.TYPE + " DESC");
+            if (c != null) {
+                while (c.moveToNext()) {
+                    gid = c.getString(SqlNote.GTASK_ID_COLUMN);
+                    node = mGTaskHashMap.get(gid);
+                    if (node != null) {
+                        mGTaskHashMap.remove(gid);
+                        mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN));
+                        mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid);
+                        syncType = node.getSyncAction(c);
+                    } else {
+                        if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
+                            // local add
+                            syncType = Node.SYNC_ACTION_ADD_REMOTE;
+                        } else {
+                            // remote delete
+                            syncType = Node.SYNC_ACTION_DEL_LOCAL;
+                        }
+                    }
+                    doContentSync(syncType, node, c);
+                }
+            } else {
+                Log.w(TAG, "failed to query existing note in database");
+            }
+
+        } finally {
+            if (c != null) {
+                c.close();
+                c = null;
+            }
+        }
+
+        // go through remaining items
+        Iterator<Map.Entry<String, Node>> iter = mGTaskHashMap.entrySet().iterator();
+        while (iter.hasNext()) {
+            Map.Entry<String, Node> entry = iter.next();
+            node = entry.getValue();
+            doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
+        }
+
+        // mCancelled can be set by another thread, so we neet to check one by
+        // one
+        // clear local delete table
+        if (!mCancelled) {
+            if (!DataUtils.batchDeleteNotes(mContentResolver, mLocalDeleteIdMap)) {
+                throw new ActionFailureException("failed to batch-delete local deleted notes");
+            }
+        }
+
+        // refresh local sync id
+        if (!mCancelled) {
+            GTaskClient.getInstance().commitUpdate();
+            refreshLocalSyncId();
+        }
+
+    }
+
+    private void syncFolder() throws NetworkFailureException {
+        Cursor c = null;
+        String gid;
+        Node node;
+        int syncType;
+
+        if (mCancelled) {
+            return;
+        }
+
+        // for root folder
+        try {
+            c = mContentResolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
+                    Notes.ID_ROOT_FOLDER), SqlNote.PROJECTION_NOTE, null, null, null);
+            if (c != null) {
+                c.moveToNext();
+                gid = c.getString(SqlNote.GTASK_ID_COLUMN);
+                node = mGTaskHashMap.get(gid);
+                if (node != null) {
+                    mGTaskHashMap.remove(gid);
+                    mGidToNid.put(gid, (long) Notes.ID_ROOT_FOLDER);
+                    mNidToGid.put((long) Notes.ID_ROOT_FOLDER, gid);
+                    // for system folder, only update remote name if necessary
+                    if (!node.getName().equals(
+                            GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT))
+                        doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c);
+                } else {
+                    doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c);
+                }
+            } else {
+                Log.w(TAG, "failed to query root folder");
+            }
+        } finally {
+            if (c != null) {
+                c.close();
+                c = null;
+            }
+        }
+
+        // for call-note folder
+        try {
+            c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, "(_id=?)",
+                    new String[] {
+                        String.valueOf(Notes.ID_CALL_RECORD_FOLDER)
+                    }, null);
+            if (c != null) {
+                if (c.moveToNext()) {
+                    gid = c.getString(SqlNote.GTASK_ID_COLUMN);
+                    node = mGTaskHashMap.get(gid);
+                    if (node != null) {
+                        mGTaskHashMap.remove(gid);
+                        mGidToNid.put(gid, (long) Notes.ID_CALL_RECORD_FOLDER);
+                        mNidToGid.put((long) Notes.ID_CALL_RECORD_FOLDER, gid);
+                        // for system folder, only update remote name if
+                        // necessary
+                        if (!node.getName().equals(
+                                GTaskStringUtils.MIUI_FOLDER_PREFFIX
+                                        + GTaskStringUtils.FOLDER_CALL_NOTE))
+                            doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c);
+                    } else {
+                        doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c);
+                    }
+                }
+            } else {
+                Log.w(TAG, "failed to query call note folder");
+            }
+        } finally {
+            if (c != null) {
+                c.close();
+                c = null;
+            }
+        }
+
+        // for local existing folders
+        try {
+            c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
+                    "(type=? AND parent_id<>?)", new String[] {
+                            String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)
+                    }, NoteColumns.TYPE + " DESC");
+            if (c != null) {
+                while (c.moveToNext()) {
+                    gid = c.getString(SqlNote.GTASK_ID_COLUMN);
+                    node = mGTaskHashMap.get(gid);
+                    if (node != null) {
+                        mGTaskHashMap.remove(gid);
+                        mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN));
+                        mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid);
+                        syncType = node.getSyncAction(c);
+                    } else {
+                        if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
+                            // local add
+                            syncType = Node.SYNC_ACTION_ADD_REMOTE;
+                        } else {
+                            // remote delete
+                            syncType = Node.SYNC_ACTION_DEL_LOCAL;
+                        }
+                    }
+                    doContentSync(syncType, node, c);
+                }
+            } else {
+                Log.w(TAG, "failed to query existing folder");
+            }
+        } finally {
+            if (c != null) {
+                c.close();
+                c = null;
+            }
+        }
+
+        // for remote add folders
+        Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
+        while (iter.hasNext()) {
+            Map.Entry<String, TaskList> entry = iter.next();
+            gid = entry.getKey();
+            node = entry.getValue();
+            if (mGTaskHashMap.containsKey(gid)) {
+                mGTaskHashMap.remove(gid);
+                doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
+            }
+        }
+
+        if (!mCancelled)
+            GTaskClient.getInstance().commitUpdate();
+    }
+
+    private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException {
+        if (mCancelled) {
+            return;
+        }
+
+        MetaData meta;
+        switch (syncType) {
+            case Node.SYNC_ACTION_ADD_LOCAL:
+                addLocalNode(node);
+                break;
+            case Node.SYNC_ACTION_ADD_REMOTE:
+                addRemoteNode(node, c);
+                break;
+            case Node.SYNC_ACTION_DEL_LOCAL:
+                meta = mMetaHashMap.get(c.getString(SqlNote.GTASK_ID_COLUMN));
+                if (meta != null) {
+                    GTaskClient.getInstance().deleteNode(meta);
+                }
+                mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN));
+                break;
+            case Node.SYNC_ACTION_DEL_REMOTE:
+                meta = mMetaHashMap.get(node.getGid());
+                if (meta != null) {
+                    GTaskClient.getInstance().deleteNode(meta);
+                }
+                GTaskClient.getInstance().deleteNode(node);
+                break;
+            case Node.SYNC_ACTION_UPDATE_LOCAL:
+                updateLocalNode(node, c);
+                break;
+            case Node.SYNC_ACTION_UPDATE_REMOTE:
+                updateRemoteNode(node, c);
+                break;
+            case Node.SYNC_ACTION_UPDATE_CONFLICT:
+                // merging both modifications maybe a good idea
+                // right now just use local update simply
+                updateRemoteNode(node, c);
+                break;
+            case Node.SYNC_ACTION_NONE:
+                break;
+            case Node.SYNC_ACTION_ERROR:
+            default:
+                throw new ActionFailureException("unkown sync action type");
+        }
+    }
+
+    private void addLocalNode(Node node) throws NetworkFailureException {
+        if (mCancelled) {
+            return;
+        }
+
+        SqlNote sqlNote;
+        if (node instanceof TaskList) {
+            if (node.getName().equals(
+                    GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT)) {
+                sqlNote = new SqlNote(mContext, Notes.ID_ROOT_FOLDER);
+            } else if (node.getName().equals(
+                    GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_CALL_NOTE)) {
+                sqlNote = new SqlNote(mContext, Notes.ID_CALL_RECORD_FOLDER);
+            } else {
+                sqlNote = new SqlNote(mContext);
+                sqlNote.setContent(node.getLocalJSONFromContent());
+                sqlNote.setParentId(Notes.ID_ROOT_FOLDER);
+            }
+        } else {
+            sqlNote = new SqlNote(mContext);
+            JSONObject js = node.getLocalJSONFromContent();
+            try {
+                if (js.has(GTaskStringUtils.META_HEAD_NOTE)) {
+                    JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
+                    if (note.has(NoteColumns.ID)) {
+                        long id = note.getLong(NoteColumns.ID);
+                        if (DataUtils.existInNoteDatabase(mContentResolver, id)) {
+                            // the id is not available, have to create a new one
+                            note.remove(NoteColumns.ID);
+                        }
+                    }
+                }
+
+                if (js.has(GTaskStringUtils.META_HEAD_DATA)) {
+                    JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
+                    for (int i = 0; i < dataArray.length(); i++) {
+                        JSONObject data = dataArray.getJSONObject(i);
+                        if (data.has(DataColumns.ID)) {
+                            long dataId = data.getLong(DataColumns.ID);
+                            if (DataUtils.existInDataDatabase(mContentResolver, dataId)) {
+                                // the data id is not available, have to create
+                                // a new one
+                                data.remove(DataColumns.ID);
+                            }
+                        }
+                    }
+
+                }
+            } catch (JSONException e) {
+                Log.w(TAG, e.toString());
+                e.printStackTrace();
+            }
+            sqlNote.setContent(js);
+
+            Long parentId = mGidToNid.get(((Task) node).getParent().getGid());
+            if (parentId == null) {
+                Log.e(TAG, "cannot find task's parent id locally");
+                throw new ActionFailureException("cannot add local node");
+            }
+            sqlNote.setParentId(parentId.longValue());
+        }
+
+        // create the local node
+        sqlNote.setGtaskId(node.getGid());
+        sqlNote.commit(false);
+
+        // update gid-nid mapping
+        mGidToNid.put(node.getGid(), sqlNote.getId());
+        mNidToGid.put(sqlNote.getId(), node.getGid());
+
+        // update meta
+        updateRemoteMeta(node.getGid(), sqlNote);
+    }
+
+    private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException {
+        if (mCancelled) {
+            return;
+        }
+
+        SqlNote sqlNote;
+        // update the note locally
+        sqlNote = new SqlNote(mContext, c);
+        sqlNote.setContent(node.getLocalJSONFromContent());
+
+        Long parentId = (node instanceof Task) ? mGidToNid.get(((Task) node).getParent().getGid())
+                : new Long(Notes.ID_ROOT_FOLDER);
+        if (parentId == null) {
+            Log.e(TAG, "cannot find task's parent id locally");
+            throw new ActionFailureException("cannot update local node");
+        }
+        sqlNote.setParentId(parentId.longValue());
+        sqlNote.commit(true);
+
+        // update meta info
+        updateRemoteMeta(node.getGid(), sqlNote);
+    }
+
+    private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException {
+        if (mCancelled) {
+            return;
+        }
+
+        SqlNote sqlNote = new SqlNote(mContext, c);
+        Node n;
+
+        // update remotely
+        if (sqlNote.isNoteType()) {
+            Task task = new Task();
+            task.setContentByLocalJSON(sqlNote.getContent());
+
+            String parentGid = mNidToGid.get(sqlNote.getParentId());
+            if (parentGid == null) {
+                Log.e(TAG, "cannot find task's parent tasklist");
+                throw new ActionFailureException("cannot add remote task");
+            }
+            mGTaskListHashMap.get(parentGid).addChildTask(task);
+
+            GTaskClient.getInstance().createTask(task);
+            n = (Node) task;
+
+            // add meta
+            updateRemoteMeta(task.getGid(), sqlNote);
+        } else {
+            TaskList tasklist = null;
+
+            // we need to skip folder if it has already existed
+            String folderName = GTaskStringUtils.MIUI_FOLDER_PREFFIX;
+            if (sqlNote.getId() == Notes.ID_ROOT_FOLDER)
+                folderName += GTaskStringUtils.FOLDER_DEFAULT;
+            else if (sqlNote.getId() == Notes.ID_CALL_RECORD_FOLDER)
+                folderName += GTaskStringUtils.FOLDER_CALL_NOTE;
+            else
+                folderName += sqlNote.getSnippet();
+
+            Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
+            while (iter.hasNext()) {
+                Map.Entry<String, TaskList> entry = iter.next();
+                String gid = entry.getKey();
+                TaskList list = entry.getValue();
+
+                if (list.getName().equals(folderName)) {
+                    tasklist = list;
+                    if (mGTaskHashMap.containsKey(gid)) {
+                        mGTaskHashMap.remove(gid);
+                    }
+                    break;
+                }
+            }
+
+            // no match we can add now
+            if (tasklist == null) {
+                tasklist = new TaskList();
+                tasklist.setContentByLocalJSON(sqlNote.getContent());
+                GTaskClient.getInstance().createTaskList(tasklist);
+                mGTaskListHashMap.put(tasklist.getGid(), tasklist);
+            }
+            n = (Node) tasklist;
+        }
+
+        // update local note
+        sqlNote.setGtaskId(n.getGid());
+        sqlNote.commit(false);
+        sqlNote.resetLocalModified();
+        sqlNote.commit(true);
+
+        // gid-id mapping
+        mGidToNid.put(n.getGid(), sqlNote.getId());
+        mNidToGid.put(sqlNote.getId(), n.getGid());
+    }
+
+    private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException {
+        if (mCancelled) {
+            return;
+        }
+
+        SqlNote sqlNote = new SqlNote(mContext, c);
+
+        // update remotely
+        node.setContentByLocalJSON(sqlNote.getContent());
+        GTaskClient.getInstance().addUpdateNode(node);
+
+        // update meta
+        updateRemoteMeta(node.getGid(), sqlNote);
+
+        // move task if necessary
+        if (sqlNote.isNoteType()) {
+            Task task = (Task) node;
+            TaskList preParentList = task.getParent();
+
+            String curParentGid = mNidToGid.get(sqlNote.getParentId());
+            if (curParentGid == null) {
+                Log.e(TAG, "cannot find task's parent tasklist");
+                throw new ActionFailureException("cannot update remote task");
+            }
+            TaskList curParentList = mGTaskListHashMap.get(curParentGid);
+
+            if (preParentList != curParentList) {
+                preParentList.removeChildTask(task);
+                curParentList.addChildTask(task);
+                GTaskClient.getInstance().moveTask(task, preParentList, curParentList);
+            }
+        }
+
+        // clear local modified flag
+        sqlNote.resetLocalModified();
+        sqlNote.commit(true);
+    }
+
+    private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException {
+        if (sqlNote != null && sqlNote.isNoteType()) {
+            MetaData metaData = mMetaHashMap.get(gid);
+            if (metaData != null) {
+                metaData.setMeta(gid, sqlNote.getContent());
+                GTaskClient.getInstance().addUpdateNode(metaData);
+            } else {
+                metaData = new MetaData();
+                metaData.setMeta(gid, sqlNote.getContent());
+                mMetaList.addChildTask(metaData);
+                mMetaHashMap.put(gid, metaData);
+                GTaskClient.getInstance().createTask(metaData);
+            }
+        }
+    }
+
+    private void refreshLocalSyncId() throws NetworkFailureException {
+        if (mCancelled) {
+            return;
+        }
+
+        // get the latest gtask list
+        mGTaskHashMap.clear();
+        mGTaskListHashMap.clear();
+        mMetaHashMap.clear();
+        initGTaskList();
+
+        Cursor c = null;
+        try {
+            c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
+                    "(type<>? AND parent_id<>?)", new String[] {
+                            String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
+                    }, NoteColumns.TYPE + " DESC");
+            if (c != null) {
+                while (c.moveToNext()) {
+                    String gid = c.getString(SqlNote.GTASK_ID_COLUMN);
+                    Node node = mGTaskHashMap.get(gid);
+                    if (node != null) {
+                        mGTaskHashMap.remove(gid);
+                        ContentValues values = new ContentValues();
+                        values.put(NoteColumns.SYNC_ID, node.getLastModified());
+                        mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
+                                c.getLong(SqlNote.ID_COLUMN)), values, null, null);
+                    } else {
+                        Log.e(TAG, "something is missed");
+                        throw new ActionFailureException(
+                                "some local items don't have gid after sync");
+                    }
+                }
+            } else {
+                Log.w(TAG, "failed to query local note to refresh sync id");
+            }
+        } finally {
+            if (c != null) {
+                c.close();
+                c = null;
+            }
+        }
+    }
+
+    public String getSyncAccount() {
+        return GTaskClient.getInstance().getSyncAccount().name;
+    }
+
+    public void cancelSync() {
+        mCancelled = true;
+    }
+}
diff --git a/doc/remote/GTaskSyncService.java b/doc/remote/GTaskSyncService.java
new file mode 100644
index 0000000..cca36f7
--- /dev/null
+++ b/doc/remote/GTaskSyncService.java
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.gtask.remote;
+
+import android.app.Activity;
+import android.app.Service;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.IBinder;
+
+public class GTaskSyncService extends Service {
+    public final static String ACTION_STRING_NAME = "sync_action_type";
+
+    public final static int ACTION_START_SYNC = 0;
+
+    public final static int ACTION_CANCEL_SYNC = 1;
+
+    public final static int ACTION_INVALID = 2;
+
+    public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service";
+
+    public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing";
+
+    public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg";
+
+    private static GTaskASyncTask mSyncTask = null;
+
+    private static String mSyncProgress = "";
+
+    private void startSync() {
+        if (mSyncTask == null) {
+            mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {
+                public void onComplete() {
+                    mSyncTask = null;
+                    sendBroadcast("");
+                    stopSelf();
+                }
+            });
+            sendBroadcast("");
+            mSyncTask.execute();
+        }
+    }
+
+    private void cancelSync() {
+        if (mSyncTask != null) {
+            mSyncTask.cancelSync();
+        }
+    }
+
+    @Override
+    public void onCreate() {
+        mSyncTask = null;
+    }
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        Bundle bundle = intent.getExtras();
+        if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) {
+            switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) {
+                case ACTION_START_SYNC:
+                    startSync();
+                    break;
+                case ACTION_CANCEL_SYNC:
+                    cancelSync();
+                    break;
+                default:
+                    break;
+            }
+            return START_STICKY;
+        }
+        return super.onStartCommand(intent, flags, startId);
+    }
+
+    @Override
+    public void onLowMemory() {
+        if (mSyncTask != null) {
+            mSyncTask.cancelSync();
+        }
+    }
+
+    public IBinder onBind(Intent intent) {
+        return null;
+    }
+
+    public void sendBroadcast(String msg) {
+        mSyncProgress = msg;
+        Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME);
+        intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null);
+        intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg);
+        sendBroadcast(intent);
+    }
+
+    public static void startSync(Activity activity) {
+        GTaskManager.getInstance().setActivityContext(activity);
+        Intent intent = new Intent(activity, GTaskSyncService.class);
+        intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC);
+        activity.startService(intent);
+    }
+
+    public static void cancelSync(Context context) {
+        Intent intent = new Intent(context, GTaskSyncService.class);
+        intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC);
+        context.startService(intent);
+    }
+
+    public static boolean isSyncing() {
+        return mSyncTask != null;
+    }
+
+    public static String getProgressString() {
+        return mSyncProgress;
+    }
+}
diff --git a/doc/remote/软件 (D).lnk b/doc/remote/软件 (D).lnk
new file mode 100644
index 0000000..f353aa8
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diff --git a/doc/插入图片用例描述文档.txt b/doc/插入图片用例描述文档.txt
new file mode 100644
index 0000000..d212e50
--- /dev/null
+++ b/doc/插入图片用例描述文档.txt
@@ -0,0 +1,23 @@
+用例名称：编辑便签插入图片
+
+业务目标：编辑便签的时候进行插入图片
+
+执行者：用户
+
+前置条件：
+- 用户需要登录到便签应用中
+- 用户已经创建了一个新的便签或者正在编辑一个已有的便签
+
+基本交互动作：
+1. 在当前编辑器中，用户点击“插入图片”按钮。
+2. 系统显示一个文件选择框，让用户选择待上传的图片文件。
+3. 用户选择并确认要上传的图片文件。
+4. 系统从本地设备上传选定的图片文件，并自动将其插入到当前编辑器中光标所在的位置。
+5. 在成功添加图片后，用户可以对添加的图片进行调整大小、旋转和定位等操作。
+6. 用户完成编辑后，可以保存或分享该便签，以确保所有内容（包括插入的图片）得以保存。
+
+
+后置条件：
+- 图片成功地添加到了当前编辑器中的光标位置
+- 该图片将在用户保存或分享该便签时一起被保存或分享
+
diff --git a/doc/登录功能用例描述文档.txt b/doc/登录功能用例描述文档.txt
new file mode 100644
index 0000000..f7177b5
--- /dev/null
+++ b/doc/登录功能用例描述文档.txt
@@ -0,0 +1,18 @@
+用例名称：小米便签登录功能
+
+业务目标：用户需要登录后才能进入小米便签
+
+执行者：用户
+
+前置条件：
+- 用户需要注册一个账号
+
+
+基本交互动作：
+1. 在小米便签登录页面，用户输入 账号和密码。
+2. 点击确定后系统验证身份正确后可进入小米便签
+3. 可以点击注册去注册一个账号
+
+后置条件：
+- 用户成功登录后就进入小米便签。
+
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diff --git a/model/登录和插入图片功能用例图.png b/model/登录和插入图片功能用例图.png
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diff --git a/other/210340140 程衍伟 代码标注/ui/AlarmAlertActivity.java b/other/210340140 程衍伟 代码标注/ui/AlarmAlertActivity.java
new file mode 100644
index 0000000..e9fdb28
--- /dev/null
+++ b/other/210340140 程衍伟 代码标注/ui/AlarmAlertActivity.java	
@@ -0,0 +1,207 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package net.micode.notes.ui;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.content.DialogInterface.OnDismissListener;
+import android.content.Intent;
+import android.media.AudioManager;
+import android.media.MediaPlayer;
+import android.media.RingtoneManager;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.PowerManager;
+import android.provider.Settings;
+import android.view.Window;
+import android.view.WindowManager;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.tool.DataUtils;
+
+import java.io.IOException;
+
+public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
+    private long mNoteId;      //文本在数据库存储中的ID号
+    private String mSnippet;   //闹钟提示时出现的文本片段
+    private static final int SNIPPET_PREW_MAX_LEN = 60;
+    MediaPlayer mPlayer;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        //Bundle类型的数据与Map类型的数据相似，都是以key-value的形式存储数据的
+        //onsaveInstanceState方法是用来保存Activity的状态的
+        //能从onCreate的参数savedInsanceState中获得状态数据
+        requestWindowFeature(Window.FEATURE_NO_TITLE);
+        //界面显示——无标题
+
+        final Window win = getWindow();
+        win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
+
+        if (!isScreenOn()) {
+            win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
+                    //保持窗体点亮
+                    | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
+                    //将窗体点亮
+                    | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
+                    //允许窗体点亮时锁屏
+                    | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
+        }//在手机锁屏后如果到了闹钟提示时间，点亮屏幕
+
+        Intent intent = getIntent();
+
+        try {
+            mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
+            mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
+            //根据ID从数据库中获取标签的内容；
+            //getContentResolver（）是实现数据共享，实例存储。
+            mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
+                    SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
+                    : mSnippet;
+            //判断标签片段是否达到符合长度
+        } catch (IllegalArgumentException e) {
+            e.printStackTrace();
+            return;
+        }
+        /*
+        try
+        {
+        	// 代码区
+        }
+        catch(Exception e)
+        {
+        	// 异常处理
+        }
+                     代码区如果有错误，就会返回所写异常的处理。*/
+        mPlayer = new MediaPlayer();
+        if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
+            showActionDialog();
+            //弹出对话框
+            playAlarmSound();
+            //闹钟提示音激发
+        } else {
+            finish();
+            //完成闹钟动作
+        }
+    }
+
+    private boolean isScreenOn() {
+        //判断屏幕是否锁屏，调用系统函数判断，最后返回值是布尔类型
+        PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
+        return pm.isScreenOn();
+    }
+
+    private void playAlarmSound() {
+        //闹钟提示音激发
+        Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
+        //调用系统的铃声管理URI，得到闹钟提示音
+        int silentModeStreams = Settings.System.getInt(getContentResolver(),
+                Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
+
+        if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) {
+            mPlayer.setAudioStreamType(silentModeStreams);
+        } else {
+            mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
+        }
+        try {
+            mPlayer.setDataSource(this, url);
+            //方法：setDataSource(Context context, Uri uri)
+            //解释：无返回值，设置多媒体数据来源【根据 Uri】
+            mPlayer.prepare();
+            //准备同步
+            mPlayer.setLooping(true);
+            //设置是否循环播放
+            mPlayer.start();
+            //开始播放
+        } catch (IllegalArgumentException e) {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+            //e.printStackTrace()函数功能是抛出异常， 还将显示出更深的调用信息
+            //System.out.println(e)，这个方法打印出异常，并且输出在哪里出现的异常
+        } catch (SecurityException e) {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+        } catch (IllegalStateException e) {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+        } catch (IOException e) {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+        }
+    }
+
+    private void showActionDialog() {
+        AlertDialog.Builder dialog = new AlertDialog.Builder(this);
+        //AlertDialog的构造方法全部是Protected的
+        //所以不能直接通过new一个AlertDialog来创建出一个AlertDialog。
+        //要创建一个AlertDialog，就要用到AlertDialog.Builder中的create()方法
+        //如这里的dialog就是新建了一个AlertDialog
+        dialog.setTitle(R.string.app_name);
+        //为对话框设置标题
+        dialog.setMessage(mSnippet);
+        //为对话框设置内容
+        dialog.setPositiveButton(R.string.notealert_ok, this);
+        //给对话框添加"Yes"按钮
+        if (isScreenOn()) {
+            dialog.setNegativeButton(R.string.notealert_enter, this);
+        }//对话框添加"No"按钮
+        dialog.show().setOnDismissListener(this);
+    }
+
+    public void onClick(DialogInterface dialog, int which) {
+        switch (which) {
+            //用which来选择click后下一步的操作
+            case DialogInterface.BUTTON_NEGATIVE:
+                //这是取消操作
+                Intent intent = new Intent(this, NoteEditActivity.class);
+                //实现两个类间的数据传输
+                intent.setAction(Intent.ACTION_VIEW);
+                //设置动作属性
+                intent.putExtra(Intent.EXTRA_UID, mNoteId);
+                //实现key-value对
+                //EXTRA_UID为key；mNoteId为键
+                startActivity(intent);
+                //开始动作
+                break;
+            default:
+                //这是确定操作
+                break;
+        }
+    }
+
+    public void onDismiss(DialogInterface dialog) {
+        //忽略
+        stopAlarmSound();
+        //停止闹钟声音
+        finish();
+        //完成该动作
+    }
+
+    private void stopAlarmSound() {
+        if (mPlayer != null) {
+            mPlayer.stop();
+            //停止播放
+            mPlayer.release();
+            //释放MediaPlayer对象
+            mPlayer = null;
+        }
+    }
+}
diff --git a/other/210340140 程衍伟 代码标注/ui/AlarmInitReceiver.java b/other/210340140 程衍伟 代码标注/ui/AlarmInitReceiver.java
new file mode 100644
index 0000000..7f03f69
--- /dev/null
+++ b/other/210340140 程衍伟 代码标注/ui/AlarmInitReceiver.java	
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.app.AlarmManager;
+import android.app.PendingIntent;
+import android.content.BroadcastReceiver;
+import android.content.ContentUris;
+import android.content.Context;
+import android.content.Intent;
+import android.database.Cursor;
+
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+
+
+public class AlarmInitReceiver extends BroadcastReceiver {
+
+    private static final String [] PROJECTION = new String [] {
+        NoteColumns.ID,
+        NoteColumns.ALERTED_DATE
+    };
+    //对数据库的操作，调用标签ID和闹钟时间
+    private static final int COLUMN_ID                = 0;
+    private static final int COLUMN_ALERTED_DATE      = 1;
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        long currentDate = System.currentTimeMillis();
+        //System.currentTimeMillis()产生一个当前的毫秒
+        //这个毫秒其实就是自1970年1月1日0时起的毫秒数
+        Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
+                PROJECTION,
+                NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
+                new String[] { String.valueOf(currentDate) },
+                //将long变量currentDate转化为字符串
+                null);
+
+        if (c != null) {
+            if (c.moveToFirst()) {
+                do {
+                    long alertDate = c.getLong(COLUMN_ALERTED_DATE);
+                    Intent sender = new Intent(context, AlarmReceiver.class);
+                    sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID)));
+                    PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0);
+                    AlarmManager alermManager = (AlarmManager) context
+                            .getSystemService(Context.ALARM_SERVICE);
+                    alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
+                } while (c.moveToNext());
+            }
+            c.close();
+        }
+        //然而通过网上查找资料发现，对于闹钟机制的启动，通常需要上面的几个步骤
+        //如新建Intent、PendingIntent以及AlarmManager等
+        //这里就是根据数据库里的闹钟时间创建一个闹钟机制
+    }
+}
diff --git a/other/210340140 程衍伟 代码标注/ui/AlarmReceiver.java b/other/210340140 程衍伟 代码标注/ui/AlarmReceiver.java
new file mode 100644
index 0000000..8d7492d
--- /dev/null
+++ b/other/210340140 程衍伟 代码标注/ui/AlarmReceiver.java	
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+public class AlarmReceiver extends BroadcastReceiver {//类：闹钟消息接收器，从BroadcastReceiver类继承而来
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        intent.setClass(context, AlarmAlertActivity.class);
+        //启动AlarmAlertActivity
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        //activity要存在于activity的栈中，而非activity的途径启动activity时必然不存在一个activity的栈
+        //所以要新起一个栈装入启动的activity
+        context.startActivity(intent);
+    }
+}
+//这是实现alarm这个功能最接近用户层的包，基于上面的两个包，
\ No newline at end of file
diff --git a/other/210340140 程衍伟 代码标注/ui/DateTimePicker.java b/other/210340140 程衍伟 代码标注/ui/DateTimePicker.java
new file mode 100644
index 0000000..11a8469
--- /dev/null
+++ b/other/210340140 程衍伟 代码标注/ui/DateTimePicker.java	
@@ -0,0 +1,504 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import java.text.DateFormatSymbols;
+import java.util.Calendar;
+
+import net.micode.notes.R;
+
+
+import android.content.Context;
+import android.text.format.DateFormat;
+import android.view.View;
+import android.widget.FrameLayout;
+import android.widget.NumberPicker;
+
+public class DateTimePicker extends FrameLayout {//FrameLayout是布局模板之一
+    //所有的子元素全部在屏幕的右上方
+
+    private static final boolean DEFAULT_ENABLE_STATE = true;
+
+    private static final int HOURS_IN_HALF_DAY = 12;
+    private static final int HOURS_IN_ALL_DAY = 24;
+    private static final int DAYS_IN_ALL_WEEK = 7;
+    private static final int DATE_SPINNER_MIN_VAL = 0;
+    private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1;
+    private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0;
+    private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23;
+    private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1;
+    private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12;
+    private static final int MINUT_SPINNER_MIN_VAL = 0;
+    private static final int MINUT_SPINNER_MAX_VAL = 59;
+    private static final int AMPM_SPINNER_MIN_VAL = 0;
+    private static final int AMPM_SPINNER_MAX_VAL = 1;
+    //初始化控件
+    private final NumberPicker mDateSpinner;
+    private final NumberPicker mHourSpinner;
+    private final NumberPicker mMinuteSpinner;
+    private final NumberPicker mAmPmSpinner;
+    //NumberPicker是数字选择器
+    //这里定义的四个变量全部是在设置闹钟时需要选择的变量（如日期、时、分、上午或者下午）
+
+    private Calendar mDate;
+    //定义了Calendar类型的变量mDate，用于操作时间
+    private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
+
+    private boolean mIsAm;
+
+    private boolean mIs24HourView;
+
+    private boolean mIsEnabled = DEFAULT_ENABLE_STATE;
+
+    private boolean mInitialising;
+
+    private OnDateTimeChangedListener mOnDateTimeChangedListener;
+
+    private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() {
+        @Override
+        public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+            mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal);
+            updateDateControl();
+            onDateTimeChanged();
+        }
+    };//OnValueChangeListener，这是时间改变监听器，这里主要是对日期的监听
+    //将现在日期的值传递给mDate；updateDateControl是同步操作
+
+    private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
+        //这里是对 小时（Hour） 的监听
+        @Override
+        public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+            boolean isDateChanged = false;
+            Calendar cal = Calendar.getInstance();
+            //声明一个Calendar的变量cal，便于后续的操作
+            if (!mIs24HourView) {
+                if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) {
+                    cal.setTimeInMillis(mDate.getTimeInMillis());
+                    cal.add(Calendar.DAY_OF_YEAR, 1);
+                    isDateChanged = true;
+                    //这里是对于12小时制时，晚上11点和12点交替时对日期的更改
+                } else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
+                    cal.setTimeInMillis(mDate.getTimeInMillis());
+                    cal.add(Calendar.DAY_OF_YEAR, -1);
+                    isDateChanged = true;
+                }//这里是对于12小时制时，凌晨11点和12点交替时对日期的更改
+                if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY ||
+                        oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
+                    mIsAm = !mIsAm;
+                    updateAmPmControl();
+                }//这里是对于12小时制时，中午11点和12点交替时对AM和PM的更改
+            } else {
+                if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
+                    cal.setTimeInMillis(mDate.getTimeInMillis());
+                    cal.add(Calendar.DAY_OF_YEAR, 1);
+                    isDateChanged = true;
+                    //这里是对于24小时制时，晚上11点和12点交替时对日期的更改
+                } else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
+                    cal.setTimeInMillis(mDate.getTimeInMillis());
+                    cal.add(Calendar.DAY_OF_YEAR, -1);
+                    isDateChanged = true;
+                }
+            }//这里是对于12小时制时，凌晨11点和12点交替时对日期的更改
+            int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);
+            //通过数字选择器对newHour的赋值
+            mDate.set(Calendar.HOUR_OF_DAY, newHour);
+            //通过set函数将新的Hour值传给mDate
+            onDateTimeChanged();
+            if (isDateChanged) {
+                setCurrentYear(cal.get(Calendar.YEAR));
+                setCurrentMonth(cal.get(Calendar.MONTH));
+                setCurrentDay(cal.get(Calendar.DAY_OF_MONTH));
+            }
+        }
+    };
+
+    private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
+        @Override
+        //这里是对 分钟（Minute）改变的监听
+        public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+            int minValue = mMinuteSpinner.getMinValue();
+            int maxValue = mMinuteSpinner.getMaxValue();
+            int offset = 0;
+            //设置offset，作为小时改变的一个记录数据
+            if (oldVal == maxValue && newVal == minValue) {
+                offset += 1;
+            } else if (oldVal == minValue && newVal == maxValue) {
+                offset -= 1;
+            }//如果原值为59，新值为0，则offset加1
+            //如果原值为0，新值为59，则offset减1
+            if (offset != 0) {
+                mDate.add(Calendar.HOUR_OF_DAY, offset);
+                mHourSpinner.setValue(getCurrentHour());
+                updateDateControl();
+                int newHour = getCurrentHourOfDay();
+                if (newHour >= HOURS_IN_HALF_DAY) {
+                    mIsAm = false;
+                    updateAmPmControl();
+                } else {
+                    mIsAm = true;
+                    updateAmPmControl();
+                }
+            }
+            mDate.set(Calendar.MINUTE, newVal);
+            onDateTimeChanged();
+        }
+    };
+
+    private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
+        //对AM和PM的监听
+        @Override
+        public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+            mIsAm = !mIsAm;
+            if (mIsAm) {
+                mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY);
+            } else {
+                mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY);
+            }
+            updateAmPmControl();
+            onDateTimeChanged();
+        }
+    };
+
+    public interface OnDateTimeChangedListener {
+        void onDateTimeChanged(DateTimePicker view, int year, int month,
+                int dayOfMonth, int hourOfDay, int minute);
+    }//接口：日期变化监听器
+
+    public DateTimePicker(Context context) {
+        this(context, System.currentTimeMillis());
+    }
+//方法：实例化时间日期选择器
+    public DateTimePicker(Context context, long date) {
+        this(context, date, DateFormat.is24HourFormat(context));
+    }//通过对数据库的访问，获取当前的系统时间
+
+    public DateTimePicker(Context context, long date, boolean is24HourView) {
+        super(context);//获取系统时间
+        mDate = Calendar.getInstance();
+        mInitialising = true;
+        mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
+        inflate(context, R.layout.datetime_picker, this);
+        //如果当前Activity里用到别的layout，比如对话框layout
+        //还要设置这个layout上的其他组件的内容，就必须用inflate()方法先将对话框的layout找出来
+        //然后再用findViewById()找到它上面的其它组件
+        mDateSpinner = (NumberPicker) findViewById(R.id.date);
+        mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
+        mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
+        mDateSpinner.setOnValueChangedListener(mOnDateChangedListener);
+
+        mHourSpinner = (NumberPicker) findViewById(R.id.hour);
+        mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);
+        mMinuteSpinner =  (NumberPicker) findViewById(R.id.minute);
+        mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);
+        mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);
+        mMinuteSpinner.setOnLongPressUpdateInterval(100);
+        mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);
+
+        String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings();
+        mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm);
+        mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL);
+        mAmPmSpinner.setMaxValue(AMPM_SPINNER_MAX_VAL);
+        mAmPmSpinner.setDisplayedValues(stringsForAmPm);
+        mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);
+
+        // update controls to initial state
+        updateDateControl();
+        updateHourControl();
+        updateAmPmControl();
+
+        set24HourView(is24HourView);
+
+        // set to current time
+        setCurrentDate(date);
+
+        setEnabled(isEnabled());
+
+        // set the content descriptions
+        mInitialising = false;
+    }
+
+    @Override
+    public void setEnabled(boolean enabled) {//方法：将转轮设置为使能状态
+        if (mIsEnabled == enabled) {
+            return;
+        }
+        super.setEnabled(enabled);
+        mDateSpinner.setEnabled(enabled);//语句：分别对四个分部件设置使能
+        mMinuteSpinner.setEnabled(enabled);
+        mHourSpinner.setEnabled(enabled);
+        mAmPmSpinner.setEnabled(enabled);
+        mIsEnabled = enabled;//修改标志变量
+    }
+
+    @Override
+    public boolean isEnabled() {
+        return mIsEnabled;
+    }//函数：判断当前的时间日期选择器是否处于启用的的状态
+
+    /**
+     * Get the current date in millis
+     *
+     * @return the current date in millis
+     */
+    public long getCurrentDateInTimeMillis() {
+        return mDate.getTimeInMillis();
+    }
+//实现函数——得到当前的秒数
+    /**
+     * Set the current date
+     *
+     * @param date The current date in millis
+     */
+    public void setCurrentDate(long date) {
+        Calendar cal = Calendar.getInstance();
+        cal.setTimeInMillis(date);
+        setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH),
+                cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE));
+    }//实现函数功能——设置当前的时间，参数是date
+
+    /**
+     * Set the current date
+     *
+     * @param year The current year
+     * @param month The current month
+     * @param dayOfMonth The current dayOfMonth
+     * @param hourOfDay The current hourOfDay
+     * @param minute The current minute
+     */
+    public void setCurrentDate(int year, int month,
+            int dayOfMonth, int hourOfDay, int minute) {
+        setCurrentYear(year);
+        setCurrentMonth(month);
+        setCurrentDay(dayOfMonth);
+        setCurrentHour(hourOfDay);
+        setCurrentMinute(minute);
+    }//实现函数功能——设置当前的时间，参数是各详细的变量
+
+    /**
+     * Get current year
+     *
+     * @return The current year
+     */
+    //下面是得到year、month、day等值
+    public int getCurrentYear() {
+        return mDate.get(Calendar.YEAR);
+    }
+
+    /**
+     * Set current year
+     *
+     * @param year The current year
+     */
+    public void setCurrentYear(int year) {
+        if (!mInitialising && year == getCurrentYear()) {
+            return;
+        }
+        mDate.set(Calendar.YEAR, year);
+        updateDateControl();
+        onDateTimeChanged();
+    }
+
+    /**
+     * Get current month in the year
+     *
+     * @return The current month in the year
+     */
+    public int getCurrentMonth() {
+        return mDate.get(Calendar.MONTH);
+    }
+
+    /**
+     * Set current month in the year
+     *
+     * @param month The month in the year
+     */
+    public void setCurrentMonth(int month) {
+        if (!mInitialising && month == getCurrentMonth()) {
+            return;
+        }
+        mDate.set(Calendar.MONTH, month);
+        updateDateControl();
+        onDateTimeChanged();
+    }
+
+    /**
+     * Get current day of the month
+     *
+     * @return The day of the month
+     */
+    public int getCurrentDay() {
+        return mDate.get(Calendar.DAY_OF_MONTH);
+    }
+
+    /**
+     * Set current day of the month
+     *
+     * @param dayOfMonth The day of the month
+     */
+    public void setCurrentDay(int dayOfMonth) {
+        if (!mInitialising && dayOfMonth == getCurrentDay()) {
+            return;
+        }
+        mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
+        updateDateControl();
+        onDateTimeChanged();
+    }
+
+    /**
+     * Get current hour in 24 hour mode, in the range (0~23)
+     * @return The current hour in 24 hour mode
+     */
+    public int getCurrentHourOfDay() {
+        return mDate.get(Calendar.HOUR_OF_DAY);
+    }
+
+    private int getCurrentHour() {
+        if (mIs24HourView){
+            return getCurrentHourOfDay();
+        } else {
+            int hour = getCurrentHourOfDay();
+            if (hour > HOURS_IN_HALF_DAY) {
+                return hour - HOURS_IN_HALF_DAY;
+            } else {
+                return hour == 0 ? HOURS_IN_HALF_DAY : hour;
+            }
+        }
+    }
+
+    /**
+     * Set current hour in 24 hour mode, in the range (0~23)
+     *
+     * @param hourOfDay
+     */
+    public void setCurrentHour(int hourOfDay) {
+        if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {
+            return;
+        }
+        mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
+        if (!mIs24HourView) {
+            if (hourOfDay >= HOURS_IN_HALF_DAY) {
+                mIsAm = false;
+                if (hourOfDay > HOURS_IN_HALF_DAY) {
+                    hourOfDay -= HOURS_IN_HALF_DAY;
+                }
+            } else {
+                mIsAm = true;
+                if (hourOfDay == 0) {
+                    hourOfDay = HOURS_IN_HALF_DAY;
+                }
+            }
+            updateAmPmControl();
+        }
+        mHourSpinner.setValue(hourOfDay);
+        onDateTimeChanged();
+    }
+
+    /**
+     * Get currentMinute
+     *
+     * @return The Current Minute
+     */
+    public int getCurrentMinute() {
+        return mDate.get(Calendar.MINUTE);
+    }
+
+    /**
+     * Set current minute
+     */
+    public void setCurrentMinute(int minute) {
+        if (!mInitialising && minute == getCurrentMinute()) {
+            return;
+        }
+        mMinuteSpinner.setValue(minute);
+        mDate.set(Calendar.MINUTE, minute);
+        onDateTimeChanged();
+    }
+
+    /**
+     * @return true if this is in 24 hour view else false.
+     */
+    public boolean is24HourView () {
+        return mIs24HourView;
+    }
+
+    /**
+     * Set whether in 24 hour or AM/PM mode.
+     *
+     * @param is24HourView True for 24 hour mode. False for AM/PM mode.
+     */
+    public void set24HourView(boolean is24HourView) {//函数：设置24小时下的视图
+        if (mIs24HourView == is24HourView) {
+            return;
+        }
+        mIs24HourView = is24HourView;
+        mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);// 语句：如果为12小时视图则显示上下午选择
+        int hour = getCurrentHourOfDay();
+        updateHourControl();
+        setCurrentHour(hour);
+        updateAmPmControl();
+    }
+
+    private void updateDateControl() {
+        Calendar cal = Calendar.getInstance();
+        cal.setTimeInMillis(mDate.getTimeInMillis());
+        cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);
+        mDateSpinner.setDisplayedValues(null);
+        for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) {
+            cal.add(Calendar.DAY_OF_YEAR, 1);
+            mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal);
+        }
+        mDateSpinner.setDisplayedValues(mDateDisplayValues);
+        mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
+        mDateSpinner.invalidate();
+    }// 对于星期几的算法
+
+    private void updateAmPmControl() {
+        if (mIs24HourView) {
+            mAmPmSpinner.setVisibility(View.GONE);
+        } else {
+            int index = mIsAm ? Calendar.AM : Calendar.PM;
+            mAmPmSpinner.setValue(index);
+            mAmPmSpinner.setVisibility(View.VISIBLE);
+        }// 对于上下午操作的算法
+    }
+
+    private void updateHourControl() {
+        if (mIs24HourView) {
+            mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
+            mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);
+        } else {
+            mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
+            mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
+        }// 对与小时的算法
+    }
+
+    /**
+     * Set the callback that indicates the 'Set' button has been pressed.
+     * @param callback the callback, if null will do nothing
+     */
+    public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
+        //函数：根据参数设置时间日期监听器
+        mOnDateTimeChangedListener = callback;
+    }
+
+    private void onDateTimeChanged() {//函数：监听日期时间的变化
+        if (mOnDateTimeChangedListener != null) {
+            mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
+                    getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
+        }
+    }
+}
diff --git a/other/210340140 程衍伟 代码标注/ui/DateTimePickerDialog.java b/other/210340140 程衍伟 代码标注/ui/DateTimePickerDialog.java
new file mode 100644
index 0000000..b35a4cf
--- /dev/null
+++ b/other/210340140 程衍伟 代码标注/ui/DateTimePickerDialog.java	
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import java.util.Calendar;
+
+import net.micode.notes.R;
+import net.micode.notes.ui.DateTimePicker;
+import net.micode.notes.ui.DateTimePicker.OnDateTimeChangedListener;
+
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.text.format.DateFormat;
+import android.text.format.DateUtils;
+
+public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
+
+    private Calendar mDate = Calendar.getInstance();
+    //创建一个Calendar类型的变量 mDate，方便时间的操作
+    private boolean mIs24HourView;
+    private OnDateTimeSetListener mOnDateTimeSetListener;
+    //声明一个时间日期滚动选择控件 mOnDateTimeSetListener
+    private DateTimePicker mDateTimePicker;
+    //DateTimePicker控件，控件一般用于让用户可以从日期列表中选择单个值。
+    //运行时，单击控件边上的下拉箭头，会显示为两个部分：一个下拉列表，一个用于选择日期的
+    public interface OnDateTimeSetListener {
+        //设置一个接口当时期时间设置时进行的操作
+        void OnDateTimeSet(AlertDialog dialog, long date);
+    }
+
+    public DateTimePickerDialog(Context context, long date) {
+        //对该界面对话框的实例化
+        super(context);
+        //对数据库的操作
+        mDateTimePicker = new DateTimePicker(context);
+        setView(mDateTimePicker);//添加一个子视图
+        mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
+            public void onDateTimeChanged(DateTimePicker view, int year, int month,
+                    int dayOfMonth, int hourOfDay, int minute) {
+                mDate.set(Calendar.YEAR, year);
+                mDate.set(Calendar.MONTH, month);
+                mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
+                mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
+                mDate.set(Calendar.MINUTE, minute);//将视图中的各选项设置为系统当前时间
+                updateTitle(mDate.getTimeInMillis());
+            }
+        });
+        mDate.setTimeInMillis(date);//得到系统时间
+        mDate.set(Calendar.SECOND, 0);//将秒数设置为0
+        mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
+        setButton(context.getString(R.string.datetime_dialog_ok), this);
+        setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);//设置按钮
+        set24HourView(DateFormat.is24HourFormat(this.getContext()));//时间标准化打印
+        updateTitle(mDate.getTimeInMillis());
+    }//将时间日期滚动选择控件实例化
+
+    public void set24HourView(boolean is24HourView) {
+        mIs24HourView = is24HourView;
+    }
+
+    public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
+        mOnDateTimeSetListener = callBack;
+    }//将时间日期滚动选择控件实例化
+
+    private void updateTitle(long date) {
+        int flag =
+            DateUtils.FORMAT_SHOW_YEAR |
+            DateUtils.FORMAT_SHOW_DATE |
+            DateUtils.FORMAT_SHOW_TIME;
+        flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
+        setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
+    }//android开发中常见日期管理工具类（API）——DateUtils：按照上下午显示时间
+
+    public void onClick(DialogInterface arg0, int arg1) {
+        if (mOnDateTimeSetListener != null) {
+            mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());
+        }
+    }//第一个参数arg0是接收到点击事件的对话框
+    //第二个参数arg1是该对话框上的按钮
+}
\ No newline at end of file
diff --git a/other/210340140 程衍伟 代码标注/ui/DropdownMenu.java b/other/210340140 程衍伟 代码标注/ui/DropdownMenu.java
new file mode 100644
index 0000000..0c4b307
--- /dev/null
+++ b/other/210340140 程衍伟 代码标注/ui/DropdownMenu.java	
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+import android.widget.PopupMenu;
+import android.widget.PopupMenu.OnMenuItemClickListener;
+
+import net.micode.notes.R;
+
+public class DropdownMenu {
+    private Button mButton;
+    private PopupMenu mPopupMenu;
+    //声明一个下拉菜单
+    private Menu mMenu;
+
+    public DropdownMenu(Context context, Button button, int menuId) {
+        mButton = button;
+        mButton.setBackgroundResource(R.drawable.dropdown_icon);
+        //设置这个view的背景
+        mPopupMenu = new PopupMenu(context, mButton);
+        mMenu = mPopupMenu.getMenu();
+        mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
+        //MenuInflater是用来实例化Menu目录下的Menu布局文件
+        //根据ID来确认menu的内容选项
+        mButton.setOnClickListener(new OnClickListener() {
+            public void onClick(View v) {
+                mPopupMenu.show();
+            }
+        });
+    }
+
+    public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
+        if (mPopupMenu != null) {
+            mPopupMenu.setOnMenuItemClickListener(listener);
+        }//设置菜单的监听
+    }
+
+    public MenuItem findItem(int id) {
+        return mMenu.findItem(id);
+    }//对于菜单选项的初始化，根据索引搜索菜单需要的选项
+
+    public void setTitle(CharSequence title) {
+        mButton.setText(title);
+    }//布局文件，设置标题
+}
\ No newline at end of file
diff --git a/other/210340140 程衍伟 代码标注/ui/FoldersListAdapter.java b/other/210340140 程衍伟 代码标注/ui/FoldersListAdapter.java
new file mode 100644
index 0000000..2c5853d
--- /dev/null
+++ b/other/210340140 程衍伟 代码标注/ui/FoldersListAdapter.java	
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CursorAdapter;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+
+
+public class FoldersListAdapter extends CursorAdapter {
+    //CursorAdapter是Cursor和ListView的接口
+    //FoldersListAdapter继承了CursorAdapter的类
+    //主要作用是便签数据库和用户的交互
+    //这里就是用folder（文件夹）的形式展现给用户
+    public static final String [] PROJECTION = {
+            NoteColumns.ID,
+            NoteColumns.SNIPPET
+    };//调用数据库中便签的ID和片段
+
+    public static final int ID_COLUMN   = 0;
+    public static final int NAME_COLUMN = 1;
+
+    public FoldersListAdapter(Context context, Cursor c) {
+        super(context, c);
+        // TODO Auto-generated constructor stub
+    }//数据库操作
+
+    @Override
+    public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        //ViewGroup是容器
+        return new FolderListItem(context);
+    }//创建一个文件夹，对于各文件夹中子标签的初始化
+
+    @Override
+    public void bindView(View view, Context context, Cursor cursor) {
+        if (view instanceof FolderListItem) {
+            String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
+                    .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
+            ((FolderListItem) view).bind(folderName);
+        }
+    }//将各个布局文件绑定起来
+
+    public String getFolderName(Context context, int position) {
+        Cursor cursor = (Cursor) getItem(position);
+        return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
+                .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
+    }//根据数据库中标签的ID得到标签的各项内容
+
+    private class FolderListItem extends LinearLayout {
+        private TextView mName;
+
+        public FolderListItem(Context context) {
+            super(context);
+            //操作数据库
+            inflate(context, R.layout.folder_list_item, this);
+            //根据布局文件的名字等信息将其找出来
+            mName = (TextView) findViewById(R.id.tv_folder_name);
+        }
+
+        public void bind(String name) {
+            mName.setText(name);//设置名字
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/other/210340140 程衍伟 代码标注/ui/NoteEditActivity.java b/other/210340140 程衍伟 代码标注/ui/NoteEditActivity.java
new file mode 100644
index 0000000..9bbbb97
--- /dev/null
+++ b/other/210340140 程衍伟 代码标注/ui/NoteEditActivity.java	
@@ -0,0 +1,1083 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.app.Activity;
+import android.app.AlarmManager;
+import android.app.AlertDialog;
+import android.app.PendingIntent;
+import android.app.SearchManager;
+import android.appwidget.AppWidgetManager;
+import android.content.ContentUris;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.graphics.Paint;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.text.Spannable;
+import android.text.SpannableString;
+import android.text.TextUtils;
+import android.text.format.DateUtils;
+import android.text.style.BackgroundColorSpan;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.WindowManager;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.CompoundButton.OnCheckedChangeListener;
+import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.TextNote;
+import net.micode.notes.model.WorkingNote;
+import net.micode.notes.model.WorkingNote.NoteSettingChangedListener;
+import net.micode.notes.tool.DataUtils;
+import net.micode.notes.tool.ResourceParser;
+import net.micode.notes.tool.ResourceParser.TextAppearanceResources;
+import net.micode.notes.ui.DateTimePickerDialog.OnDateTimeSetListener;
+import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener;
+import net.micode.notes.widget.NoteWidgetProvider_2x;
+import net.micode.notes.widget.NoteWidgetProvider_4x;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+
+public class NoteEditActivity extends Activity implements OnClickListener,
+        NoteSettingChangedListener, OnTextViewChangeListener {
+    //该类主要是针对标签的编辑
+    //继承了系统内部许多和监听有关的类
+    private class HeadViewHolder {
+        public TextView tvModified;
+
+        public ImageView ivAlertIcon;
+
+        public TextView tvAlertDate;
+
+        public ImageView ibSetBgColor;
+    }
+    //使用Map实现数据存储
+    private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>();
+    static {
+        sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
+        sBgSelectorBtnsMap.put(R.id.iv_bg_red, ResourceParser.RED);
+        sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE);
+        sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN);
+        sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE);
+        //put函数是将指定值和指定键相连
+    }
+
+    private static final Map<Integer, Integer> sBgSelectorSelectionMap = new HashMap<Integer, Integer>();
+    static {
+        sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select);
+        sBgSelectorSelectionMap.put(ResourceParser.RED, R.id.iv_bg_red_select);
+        sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select);
+        sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select);
+        sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select);
+        //put函数是将指定值和指定键相连
+    }
+
+    private static final Map<Integer, Integer> sFontSizeBtnsMap = new HashMap<Integer, Integer>();
+    static {
+        sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE);
+        sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL);
+        sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM);
+        sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER);
+        //put函数是将指定值和指定键相连
+    }
+
+    private static final Map<Integer, Integer> sFontSelectorSelectionMap = new HashMap<Integer, Integer>();
+    static {
+        sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select);
+        sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select);
+        sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select);
+        sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select);
+        //put函数是将指定值和指定键相连
+    }
+
+    private static final String TAG = "NoteEditActivity";
+
+    private HeadViewHolder mNoteHeaderHolder;
+
+    private View mHeadViewPanel;
+    //私有化一个界面操作mHeadViewPanel，对表头的操作
+    private View mNoteBgColorSelector;
+    //私有化一个界面操作mNoteBgColorSelector，对背景颜色的操作
+    private View mFontSizeSelector;
+    //私有化一个界面操作mFontSizeSelector，对标签字体的操作
+    private EditText mNoteEditor;
+    //声明编辑控件，对文本操作
+    private View mNoteEditorPanel;
+    //私有化一个界面操作mNoteEditorPanel，文本编辑的控制板
+    //private WorkingNote mWorkingNote;
+    public WorkingNote mWorkingNote;
+    //对模板WorkingNote的初始化
+    private SharedPreferences mSharedPrefs;
+    //私有化SharedPreferences的数据存储方式
+    //它的本质是基于XML文件存储key-value键值对数据
+    private int mFontSizeId;
+    //用于操作字体的大小
+    private static final String PREFERENCE_FONT_SIZE = "pref_font_size";
+
+    private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10;
+
+    public static final String TAG_CHECKED = String.valueOf('\u221A');
+    public static final String TAG_UNCHECKED = String.valueOf('\u25A1');
+
+    private LinearLayout mEditTextList;
+    //线性布局
+    private String mUserQuery;
+    private Pattern mPattern;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        this.setContentView(R.layout.note_edit);
+        //对数据库的访问操作
+        if (savedInstanceState == null && !initActivityState(getIntent())) {
+            finish();
+            return;
+        }
+        initResources();
+    }
+
+    /**
+     * Current activity may be killed when the memory is low. Once it is killed, for another time
+     * user load this activity, we should restore the former state
+     */
+    @Override
+    protected void onRestoreInstanceState(Bundle savedInstanceState) {
+        super.onRestoreInstanceState(savedInstanceState);
+        if (savedInstanceState != null && savedInstanceState.containsKey(Intent.EXTRA_UID)) {
+            Intent intent = new Intent(Intent.ACTION_VIEW);
+            intent.putExtra(Intent.EXTRA_UID, savedInstanceState.getLong(Intent.EXTRA_UID));
+            if (!initActivityState(intent)) {
+                finish();
+                return;
+            }
+            Log.d(TAG, "Restoring from killed activity");
+        }//为防止内存不足时程序的终止，在这里有一个保存现场的函数
+    }
+
+    private boolean initActivityState(Intent intent) {
+        /**
+         * If the user specified the {@link Intent#ACTION_VIEW} but not provided with id,
+         * then jump to the NotesListActivity
+         */
+        mWorkingNote = null;
+        if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {
+            long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0);
+            mUserQuery = "";
+            //如果用户实例化标签时，系统并未给出标签ID
+            /**
+             * Starting from the searched result
+             */
+            //根据键值查找ID
+            if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {
+                noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
+                mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY);
+            }
+            //如果ID在数据库中未找到
+            if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) {
+                Intent jump = new Intent(this, NotesListActivity.class);
+                startActivity(jump);
+                //程序将跳转到上面声明的intent——jump
+                showToast(R.string.error_note_not_exist);
+                finish();
+                return false;
+            }
+            //ID在数据库中找到
+            else {
+                mWorkingNote = WorkingNote.load(this, noteId);
+                if (mWorkingNote == null) {
+                    Log.e(TAG, "load note failed with note id" + noteId);
+                    //打印出红色的错误信息
+                    finish();
+                    return false;
+                }
+            }
+            //setSoftInputMode——软键盘输入模式
+            getWindow().setSoftInputMode(
+                    WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
+                            | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
+        } else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) {
+            // intent.getAction()
+            // 大多用于broadcast发送广播时给机制（intent）设置一个action，就是一个字符串
+            // 用户可以通过receive（接受）intent，通过 getAction得到的字符串，来决定做什么
+            long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0);
+            int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID,
+                    AppWidgetManager.INVALID_APPWIDGET_ID);
+            int widgetType = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_TYPE,
+                    Notes.TYPE_WIDGET_INVALIDE);
+            int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID,
+                    ResourceParser.getDefaultBgId(this));
+            // intent.getInt（Long、String）Extra是对各变量的语法分析
+            // Parse call-record note
+            String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
+            long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);
+            if (callDate != 0 && phoneNumber != null) {
+                if (TextUtils.isEmpty(phoneNumber)) {
+                    Log.w(TAG, "The call record number is null");
+                }
+                long noteId = 0;
+                if ((noteId = DataUtils.getNoteIdByPhoneNumberAndCallDate(getContentResolver(),
+                        phoneNumber, callDate)) > 0) {
+                    mWorkingNote = WorkingNote.load(this, noteId);
+                    if (mWorkingNote == null) {
+                        Log.e(TAG, "load call note failed with note id" + noteId);
+                        finish();
+                        return false;
+                    }
+                    //将电话号码与手机的号码簿相关
+                } else {
+                    mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId,
+                            widgetType, bgResId);
+                    mWorkingNote.convertToCallNote(phoneNumber, callDate);
+                    //
+                }
+            } else {
+                mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType,
+                        bgResId);
+            }//创建一个新的WorkingNote
+
+            getWindow().setSoftInputMode(
+                    WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
+                            | WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
+        } else {
+            Log.e(TAG, "Intent not specified action, should not support");
+            finish();
+            return false;
+        }
+        mWorkingNote.setOnSettingStatusChangedListener(this);
+        return true;
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        initNoteScreen();
+    }
+
+    private void initNoteScreen() {
+        //对界面的初始化操作
+        mNoteEditor.setTextAppearance(this, TextAppearanceResources
+                .getTexAppearanceResource(mFontSizeId));
+        //设置外观
+        if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+            switchToListMode(mWorkingNote.getContent());
+        } else {
+            mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
+            mNoteEditor.setSelection(mNoteEditor.getText().length());
+        }
+        for (Integer id : sBgSelectorSelectionMap.keySet()) {
+            findViewById(sBgSelectorSelectionMap.get(id)).setVisibility(View.GONE);
+        }
+        mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
+        mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
+
+        mNoteHeaderHolder.tvModified.setText(DateUtils.formatDateTime(this,
+                mWorkingNote.getModifiedDate(), DateUtils.FORMAT_SHOW_DATE
+                        | DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_TIME
+                        | DateUtils.FORMAT_SHOW_YEAR));
+
+        /**
+         * TODO: Add the menu for setting alert. Currently disable it because the DateTimePicker
+         * is not ready
+         */
+        showAlertHeader();
+    }
+    //设置闹钟的显示
+    private void showAlertHeader() {
+        if (mWorkingNote.hasClockAlert()) {
+            long time = System.currentTimeMillis();
+            if (time > mWorkingNote.getAlertDate()) {
+                mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired);
+            }
+            //如果系统时间大于了闹钟设置的时间，那么闹钟失效
+            else {
+                mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString(
+                        mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS));
+            }
+            mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE);
+            mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE);
+            //显示闹钟开启的图标
+        } else {
+            mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE);
+            mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE);
+        };
+    }
+
+    @Override
+    protected void onNewIntent(Intent intent) {
+        super.onNewIntent(intent);
+        initActivityState(intent);
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        /**
+         * For new note without note id, we should firstly save it to
+         * generate a id. If the editing note is not worth saving, there
+         * is no id which is equivalent to create new note
+         */
+        if (!mWorkingNote.existInDatabase()) {
+            saveNote();
+        }
+        //在创建一个新的标签时，先在数据库中匹配
+        //如果不存在，那么先在数据库中存储
+        outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId());
+        Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState");
+    }
+
+    @Override
+    //MotionEvent是对屏幕触控的传递机制
+    public boolean dispatchTouchEvent(MotionEvent ev) {
+        if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
+                && !inRangeOfView(mNoteBgColorSelector, ev)) {
+            mNoteBgColorSelector.setVisibility(View.GONE);
+            return true;
+        }//颜色选择器在屏幕上可见
+
+        if (mFontSizeSelector.getVisibility() == View.VISIBLE
+                && !inRangeOfView(mFontSizeSelector, ev)) {
+            mFontSizeSelector.setVisibility(View.GONE);
+            return true;
+        }//字体大小选择器在屏幕上可见
+        return super.dispatchTouchEvent(ev);
+    }
+    //对屏幕触控的坐标进行操作
+    private boolean inRangeOfView(View view, MotionEvent ev) {
+        int []location = new int[2];
+        view.getLocationOnScreen(location);
+        int x = location[0];
+        int y = location[1];
+        if (ev.getX() < x
+                || ev.getX() > (x + view.getWidth())
+                || ev.getY() < y
+                || ev.getY() > (y + view.getHeight()))
+        //如果触控的位置超出了给定的范围，返回false
+        {
+            return false;
+        }
+        return true;
+    }
+
+    private void initResources() {
+        mHeadViewPanel = findViewById(R.id.note_title);
+        mNoteHeaderHolder = new HeadViewHolder();
+        mNoteHeaderHolder.tvModified = (TextView) findViewById(R.id.tv_modified_date);
+        mNoteHeaderHolder.ivAlertIcon = (ImageView) findViewById(R.id.iv_alert_icon);
+        mNoteHeaderHolder.tvAlertDate = (TextView) findViewById(R.id.tv_alert_date);
+        mNoteHeaderHolder.ibSetBgColor = (ImageView) findViewById(R.id.btn_set_bg_color);
+        mNoteHeaderHolder.ibSetBgColor.setOnClickListener(this);
+        mNoteEditor = (EditText) findViewById(R.id.note_edit_view);
+        mNoteEditorPanel = findViewById(R.id.sv_note_edit);
+        mNoteBgColorSelector = findViewById(R.id.note_bg_color_selector);
+        for (int id : sBgSelectorBtnsMap.keySet()) {
+            ImageView iv = (ImageView) findViewById(id);
+            iv.setOnClickListener(this);
+        }//对标签各项属性内容的初始化
+
+        mFontSizeSelector = findViewById(R.id.font_size_selector);
+        for (int id : sFontSizeBtnsMap.keySet()) {
+            View view = findViewById(id);
+            view.setOnClickListener(this);
+        };//对字体大小的选择
+        mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
+        mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);
+        /**
+         * HACKME: Fix bug of store the resource id in shared preference.
+         * The id may larger than the length of resources, in this case,
+         * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE}
+         */
+        if(mFontSizeId >= TextAppearanceResources.getResourcesSize()) {
+            mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE;
+        }
+        mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list);
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        if(saveNote()) {
+            Log.d(TAG, "Note data was saved with length:" + mWorkingNote.getContent().length());
+        }
+        clearSettingState();
+    }
+    //和桌面小工具的同步
+    private void updateWidget() {
+        Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
+        if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) {
+            intent.setClass(this, NoteWidgetProvider_2x.class);
+        } else if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_4X) {
+            intent.setClass(this, NoteWidgetProvider_4x.class);
+        } else {
+            Log.e(TAG, "Unspported widget type");
+            return;
+        }
+
+        intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
+                mWorkingNote.getWidgetId()
+        });
+
+        sendBroadcast(intent);
+        setResult(RESULT_OK, intent);
+    }
+
+    public void onClick(View v) {
+        int id = v.getId();
+        if (id == R.id.btn_set_bg_color) {
+            mNoteBgColorSelector.setVisibility(View.VISIBLE);
+            findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
+                    -                    View.VISIBLE);
+        } else if (sBgSelectorBtnsMap.containsKey(id)) {
+            findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
+                    View.GONE);
+            mWorkingNote.setBgColorId(sBgSelectorBtnsMap.get(id));
+            mNoteBgColorSelector.setVisibility(View.GONE);
+        } else if (sFontSizeBtnsMap.containsKey(id)) {
+            findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.GONE);
+            mFontSizeId = sFontSizeBtnsMap.get(id);
+            mSharedPrefs.edit().putInt(PREFERENCE_FONT_SIZE, mFontSizeId).commit();
+            findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
+            if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+                getWorkingText();
+                switchToListMode(mWorkingNote.getContent());
+            } else {
+                mNoteEditor.setTextAppearance(this,
+                        TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
+            }
+            mFontSizeSelector.setVisibility(View.GONE);
+        }
+    }//************************存在问题
+
+    @Override
+    public void onBackPressed() {
+        if(clearSettingState()) {
+            return;
+        }
+
+        saveNote();
+        super.onBackPressed();
+    }
+
+    private boolean clearSettingState() {
+        if (mNoteBgColorSelector.getVisibility() == View.VISIBLE) {
+            mNoteBgColorSelector.setVisibility(View.GONE);
+            return true;
+        } else if (mFontSizeSelector.getVisibility() == View.VISIBLE) {
+            mFontSizeSelector.setVisibility(View.GONE);
+            return true;
+        }
+        return false;
+    }
+
+    public void onBackgroundColorChanged() {
+        findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
+                View.VISIBLE);
+        mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
+        mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
+    }
+
+    @Override
+    //对选择菜单的准备
+    public boolean onPrepareOptionsMenu(Menu menu) {
+        if (isFinishing()) {
+            return true;
+        }
+        clearSettingState();
+        menu.clear();
+        if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) {
+            getMenuInflater().inflate(R.menu.call_note_edit, menu);
+            // MenuInflater是用来实例化Menu目录下的Menu布局文件的
+        } else {
+            getMenuInflater().inflate(R.menu.note_edit, menu);
+        }
+        if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+            menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_normal_mode);
+        } else {
+            menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_list_mode);
+        }
+        if (mWorkingNote.hasClockAlert()) {
+            menu.findItem(R.id.menu_alert).setVisible(false);
+        } else {
+            menu.findItem(R.id.menu_delete_remind).setVisible(false);
+        }
+        return true;
+    }
+
+    @Override
+    /*
+     * 函数功能：动态改变菜单选项内容
+     * 函数实现：如下注释
+     */
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            //根据菜单的id来编剧相关项目
+            case R.id.menu_new_note:
+                //创建一个新的便签
+                createNewNote();
+                break;
+            case R.id.menu_delete:
+                //删除便签
+                AlertDialog.Builder builder = new AlertDialog.Builder(this);
+                //创建关于删除操作的对话框
+                builder.setTitle(getString(R.string.alert_title_delete));
+                // 设置标签的标题为alert_title_delete
+                builder.setIcon(android.R.drawable.ic_dialog_alert);
+                //设置对话框图标
+                builder.setMessage(getString(R.string.alert_message_delete_note));
+                //设置对话框内容
+                builder.setPositiveButton(android.R.string.ok,
+                        new DialogInterface.OnClickListener() {
+                            //建立按键监听器
+                            public void onClick(DialogInterface dialog, int which) {
+                                //点击所触发事件
+                                deleteCurrentNote();
+                                //  删除单签便签
+                                finish();
+                            }
+                        });
+                //添加“YES”按钮
+                builder.setNegativeButton(android.R.string.cancel, null);
+                //添加“NO”的按钮
+                builder.show();
+                //显示对话框
+                break;
+            case R.id.menu_font_size:
+                //字体大小的编辑
+                mFontSizeSelector.setVisibility(View.VISIBLE);
+                // 将字体选择器置为可见
+                findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
+                // 通过id找到相应的大小
+                break;
+            case R.id.menu_list_mode:
+                //选择列表模式
+                mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ?
+                        TextNote.MODE_CHECK_LIST : 0);
+                break;
+            case R.id.menu_share:
+                //菜单共享
+                getWorkingText();
+                sendTo(this, mWorkingNote.getContent());
+                // 用sendto函数将运行文本发送到遍历的本文内
+                break;
+            case R.id.menu_send_to_desktop:
+                //发送到桌面
+                sendToDesktop();
+                break;
+            case R.id.menu_alert:
+                //创建提醒器
+                setReminder();
+                break;
+            case R.id.menu_delete_remind:
+                //删除日期提醒
+                mWorkingNote.setAlertDate(0, false);
+                break;
+            default:
+                break;
+        }
+        return true;
+    }
+
+    /*
+     * 函数功能：建立事件提醒器
+     * 函数实现：如下注释
+     */
+    private void setReminder() {
+        DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis());
+        // 建立修改时间日期的对话框
+        d.setOnDateTimeSetListener(new OnDateTimeSetListener() {
+            public void OnDateTimeSet(AlertDialog dialog, long date) {
+                mWorkingNote.setAlertDate(date	, true);
+                //选择提醒的日期
+            }
+        });
+        //建立时间日期的监听器
+        d.show();
+        //显示对话框
+    }
+
+    /**
+     * Share note to apps that support {@link Intent#ACTION_SEND} action
+     * and {@text/plain} type
+     */
+    /*
+     * 函数功能：共享便签
+     * 函数实现：如下注释
+     */
+    private void sendTo(Context context, String info) {
+        Intent intent = new Intent(Intent.ACTION_SEND);
+        //建立intent链接选项
+        intent.putExtra(Intent.EXTRA_TEXT, info);
+        //将需要传递的便签信息放入text文件中
+        intent.setType("text/plain");
+        //编辑连接器的类型
+        context.startActivity(intent);
+        //在acti中进行链接
+    }
+
+    /*
+     * 函数功能：创建一个新的便签
+     * 函数实现：如下注释
+     */
+    private void createNewNote() {
+        // Firstly, save current editing notes
+        //保存当前便签
+        saveNote();
+
+        // For safety, start a new NoteEditActivity
+        finish();
+        Intent intent = new Intent(this, NoteEditActivity.class);
+        //设置链接器
+        intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
+        //该活动定义为创建或编辑
+        intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId());
+        //将运行便签的id添加到INTENT_EXTRA_FOLDER_ID标记中
+        startActivity(intent);
+        //开始activity并链接
+    }
+
+    /*
+     * 函数功能：删除当前便签
+     * 函数实现：如下注释
+     */
+    private void deleteCurrentNote() {
+        if (mWorkingNote.existInDatabase()) {
+            //假如当前运行的便签内存有数据
+            HashSet<Long> ids = new HashSet<Long>();
+            long id = mWorkingNote.getNoteId();
+            if (id != Notes.ID_ROOT_FOLDER) {
+                ids.add(id);
+                //如果不是头文件夹建立一个hash表把便签id存起来
+            } else {
+                Log.d(TAG, "Wrong note id, should not happen");
+                //否则报错
+            }
+            if (!isSyncMode()) {
+                //在非同步模式情况下
+                //删除操作
+                if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) {
+                    Log.e(TAG, "Delete Note error");
+                }
+            } else {
+                //同步模式
+                //移动至垃圾文件夹的操作
+                if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) {
+                    Log.e(TAG, "Move notes to trash folder error, should not happens");
+                }
+            }
+        }
+        mWorkingNote.markDeleted(true);
+        //将这些标签的删除标记置为true
+    }
+
+    /*
+     * 函数功能：判断是否为同步模式
+     * 函数实现：直接看NotesPreferenceActivity中同步名称是否为空
+     */
+    private boolean isSyncMode() {
+        return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
+    }
+
+    /*
+     * 函数功能：设置提醒时间
+     * 函数实现：如下注释
+     */
+    public void onClockAlertChanged(long date, boolean set) {
+        /**
+         * User could set clock to an unsaved note, so before setting the
+         * alert clock, we should save the note first
+         */
+        if (!mWorkingNote.existInDatabase()) {
+            //首先保存已有的便签
+            saveNote();
+        }
+        if (mWorkingNote.getNoteId() > 0) {
+            Intent intent = new Intent(this, AlarmReceiver.class);
+            intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId()));
+            //若有有运行的便签就是建立一个链接器将标签id都存在uri中
+            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
+            AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE));
+            //设置提醒管理器
+            showAlertHeader();
+            if(!set) {
+                alarmManager.cancel(pendingIntent);
+            } else {
+                alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent);
+            }
+            //如果用户设置了时间，就通过提醒管理器设置一个监听事项
+        } else {
+            /**
+             * There is the condition that user has input nothing (the note is
+             * not worthy saving), we have no note id, remind the user that he
+             * should input something
+             */
+            //没有运行的便签就报错
+            Log.e(TAG, "Clock alert setting error");
+            showToast(R.string.error_note_empty_for_clock);
+        }
+    }
+
+    /*
+     * 函数功能：Widget发生改变的所触发的事件
+     */
+    public void onWidgetChanged() {
+        updateWidget();//更新Widget
+    }
+
+    /*
+     * 函数功能： 删除编辑文本框所触发的事件
+     * 函数实现：如下注释
+     */
+    public void onEditTextDelete(int index, String text) {
+        int childCount = mEditTextList.getChildCount();
+        if (childCount == 1) {
+            return;
+        }
+        //没有编辑框的话直接返回
+        for (int i = index + 1; i < childCount; i++) {
+            ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
+                    .setIndex(i - 1);
+            //通过id把编辑框存在便签编辑框中
+        }
+
+        mEditTextList.removeViewAt(index);
+        //删除特定位置的视图
+        NoteEditText edit = null;
+        if(index == 0) {
+            edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById(
+                    R.id.et_edit_text);
+        } else {
+            edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById(
+                    R.id.et_edit_text);
+        }
+        //通过id把编辑框存在空的NoteEditText中
+        int length = edit.length();
+        edit.append(text);
+        edit.requestFocus();//请求优先完成该此 编辑
+        edit.setSelection(length);//定位到length位置处的条目
+    }
+
+    /*
+     * 函数功能：进入编辑文本框所触发的事件
+     * 函数实现：如下注释
+     */
+    public void onEditTextEnter(int index, String text) {
+        /**
+         * Should not happen, check for debug
+         */
+        if(index > mEditTextList.getChildCount()) {
+            Log.e(TAG, "Index out of mEditTextList boundrary, should not happen");
+            //越界把偶偶
+        }
+
+        View view = getListItem(text, index);
+        mEditTextList.addView(view, index);
+        //建立一个新的视图并添加到编辑文本框内
+        NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
+        edit.requestFocus();//请求优先操作
+        edit.setSelection(0);//定位到起始位置
+        for (int i = index + 1; i < mEditTextList.getChildCount(); i++) {
+            ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
+                    .setIndex(i);
+            //遍历子文本框并设置对应对下标
+        }
+    }
+
+    /*
+     * 函数功能：切换至列表模式
+     * 函数实现：如下注释
+     */
+    private void switchToListMode(String text) {
+        mEditTextList.removeAllViews();
+        String[] items = text.split("\n");
+        int index = 0;
+        //清空所有视图，初始化下标
+        for (String item : items) {
+            if(!TextUtils.isEmpty(item)) {
+                mEditTextList.addView(getListItem(item, index));
+                index++;
+                //遍历所有文本单元并添加到文本框中
+            }
+        }
+        mEditTextList.addView(getListItem("", index));
+        mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus();
+        //优先请求此操作
+
+        mNoteEditor.setVisibility(View.GONE);
+        //便签编辑器不可见
+        mEditTextList.setVisibility(View.VISIBLE);
+        //将文本编辑框置为可见
+    }
+
+    /*
+     * 函数功能：获取高亮效果的反馈情况
+     * 函数实现：如下注释
+     */
+    private Spannable getHighlightQueryResult(String fullText, String userQuery) {
+        SpannableString spannable = new SpannableString(fullText == null ? "" : fullText);
+        //新建一个效果选项
+        if (!TextUtils.isEmpty(userQuery)) {
+            mPattern = Pattern.compile(userQuery);
+            //将用户的询问进行解析
+            Matcher m = mPattern.matcher(fullText);
+            //建立一个状态机检查Pattern并进行匹配
+            int start = 0;
+            while (m.find(start)) {
+                spannable.setSpan(
+                        new BackgroundColorSpan(this.getResources().getColor(
+                                R.color.user_query_highlight)), m.start(), m.end(),
+                        Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
+                //设置背景颜色
+                start = m.end();
+                //跟新起始位置
+            }
+        }
+        return spannable;
+    }
+
+    /*
+     * 函数功能：获取列表项
+     * 函数实现：如下注释
+     */
+    private View getListItem(String item, int index) {
+        View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null);
+        //创建一个视图
+        final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
+        edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
+        //创建一个文本编辑框并设置可见性
+        CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
+        cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
+            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+                if (isChecked) {
+                    edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
+                } else {
+                    edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
+                }
+            }
+        });
+        //建立一个打钩框并设置监听器
+
+        if (item.startsWith(TAG_CHECKED)) {
+            //选择勾选
+            cb.setChecked(true);
+            edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
+            item = item.substring(TAG_CHECKED.length(), item.length()).trim();
+        } else if (item.startsWith(TAG_UNCHECKED)) {
+            //选择不勾选
+            cb.setChecked(false);
+            edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
+            item = item.substring(TAG_UNCHECKED.length(), item.length()).trim();
+        }
+
+        edit.setOnTextViewChangeListener(this);
+        edit.setIndex(index);
+        edit.setText(getHighlightQueryResult(item, mUserQuery));
+        //运行编辑框的监听器对该行为作出反应，并设置下标及文本内容
+        return view;
+    }
+
+    /*
+     * 函数功能：便签内容发生改变所 触发的事件
+     * 函数实现：如下注释
+     */
+    public void onTextChange(int index, boolean hasText) {
+        if (index >= mEditTextList.getChildCount()) {
+            Log.e(TAG, "Wrong index, should not happen");
+            return;
+            //越界报错
+        }
+        if(hasText) {
+            mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE);
+        } else {
+            mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE);
+        }
+        //如果内容不为空则将其子编辑框可见性置为可见，否则不可见
+    }
+
+    /*
+     * 函数功能：检查模式和列表模式的切换
+     * 函数实现：如下注释
+     */
+    public void onCheckListModeChanged(int oldMode, int newMode) {
+        if (newMode == TextNote.MODE_CHECK_LIST) {
+            switchToListMode(mNoteEditor.getText().toString());
+            //检查模式切换到列表模式
+        } else {
+            if (!getWorkingText()) {
+                mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ",
+                        ""));
+            }
+            //若是获取到文本就改变其检查标记
+            mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
+            mEditTextList.setVisibility(View.GONE);
+            mNoteEditor.setVisibility(View.VISIBLE);
+            //修改文本编辑器的内容和可见性
+        }
+    }
+
+    /*
+     * 函数功能：设置勾选选项表并返回是否勾选的标记
+     * 函数实现：如下注释
+     */
+    private boolean getWorkingText() {
+        boolean hasChecked = false;
+        //初始化check标记
+        if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+            // 若模式为CHECK_LIST
+            StringBuilder sb = new StringBuilder();
+            //创建可变字符串
+            for (int i = 0; i < mEditTextList.getChildCount(); i++) {
+                View view = mEditTextList.getChildAt(i);
+                //遍历所有子编辑框的视图
+                NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
+                if (!TextUtils.isEmpty(edit.getText())) {
+                    //若文本不为空
+                    if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) {
+                        //该选项框已打钩
+                        sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n");
+                        hasChecked = true;
+                        //扩展字符串为已打钩并把标记置true
+                    } else {
+                        sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n");
+                        //扩展字符串添加未打钩
+                    }
+                }
+            }
+            mWorkingNote.setWorkingText(sb.toString());
+            //利用编辑好的字符串设置运行便签的内容
+        } else {
+            mWorkingNote.setWorkingText(mNoteEditor.getText().toString());
+            // 若不是该模式直接用编辑器中的内容设置运行中标签的内容
+        }
+        return hasChecked;
+    }
+
+    /*
+     * 函数功能：保存便签
+     * 函数实现：如下注释
+     */
+    private boolean saveNote() {
+        getWorkingText();
+        boolean saved = mWorkingNote.saveNote();
+        //运行 getWorkingText()之后保存
+        if (saved) {
+            /**
+             * There are two modes from List view to edit view, open one note,
+             * create/edit a node. Opening node requires to the original
+             * position in the list when back from edit view, while creating a
+             * new node requires to the top of the list. This code
+             * {@link #RESULT_OK} is used to identify the create/edit state
+             */
+            //如英文注释所说链接RESULT_OK是为了识别保存的2种情况，一是创建后保存，二是修改后保存
+            setResult(RESULT_OK);
+        }
+        return saved;
+    }
+
+    /*
+     * 函数功能：将便签发送至桌面
+     * 函数实现：如下注释
+     */
+    private void sendToDesktop() {
+        /**
+         * Before send message to home, we should make sure that current
+         * editing note is exists in databases. So, for new note, firstly
+         * save it
+         */
+        if (!mWorkingNote.existInDatabase()) {
+            saveNote();
+            //若不存在数据也就是新的标签就保存起来先
+        }
+
+        if (mWorkingNote.getNoteId() > 0) {
+            //若是有内容
+            Intent sender = new Intent();
+            Intent shortcutIntent = new Intent(this, NoteEditActivity.class);
+            //建立发送到桌面的连接器
+            shortcutIntent.setAction(Intent.ACTION_VIEW);
+            //链接为一个视图
+            shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId());
+            sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
+            sender.putExtra(Intent.EXTRA_SHORTCUT_NAME,
+                    makeShortcutIconTitle(mWorkingNote.getContent()));
+            sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
+                    Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app));
+            sender.putExtra("duplicate", true);
+            //将便签的相关信息都添加到要发送的文件里
+            sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
+            //设置sneder的行为是发送
+            showToast(R.string.info_note_enter_desktop);
+            sendBroadcast(sender);
+            //显示到桌面
+        } else {
+            /**
+             * There is the condition that user has input nothing (the note is
+             * not worthy saving), we have no note id, remind the user that he
+             * should input something
+             */
+            Log.e(TAG, "Send to desktop error");
+            showToast(R.string.error_note_empty_for_send_to_desktop);
+            //空便签直接报错
+        }
+    }
+
+    /*
+     * 函数功能：编辑小图标的标题
+     * 函数实现：如下注释
+     */
+    private String makeShortcutIconTitle(String content) {
+        content = content.replace(TAG_CHECKED, "");
+        content = content.replace(TAG_UNCHECKED, "");
+        return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ? content.substring(0,
+                SHORTCUT_ICON_TITLE_MAX_LEN) : content;
+        //直接设置为content中的内容并返回，有勾选和未勾选2种
+    }
+
+    /*
+     * 函数功能：显示提示的视图
+     * 函数实现：根据下标显示对应的提示
+     */
+    private void showToast(int resId) {
+        showToast(resId, Toast.LENGTH_SHORT);
+    }
+
+    /*
+     * 函数功能：持续显示提示的视图
+     * 函数实现：根据下标和持续的时间（duration）编辑提示视图并显示
+     */
+    private void showToast(int resId, int duration) {
+        Toast.makeText(this, resId, duration).show();
+    }
+}
diff --git a/other/210340140 程衍伟 代码标注/ui/NoteEditText.java b/other/210340140 程衍伟 代码标注/ui/NoteEditText.java
new file mode 100644
index 0000000..334ebd6
--- /dev/null
+++ b/other/210340140 程衍伟 代码标注/ui/NoteEditText.java	
@@ -0,0 +1,286 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.graphics.Rect;
+import android.text.Layout;
+import android.text.Selection;
+import android.text.Spanned;
+import android.text.TextUtils;
+import android.text.style.URLSpan;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.ContextMenu;
+import android.view.KeyEvent;
+import android.view.MenuItem;
+import android.view.MenuItem.OnMenuItemClickListener;
+import android.view.MotionEvent;
+import android.widget.EditText;
+
+import net.micode.notes.R;
+
+import java.util.HashMap;
+import java.util.Map;
+
+//继承edittext，设置便签设置文本框
+public class NoteEditText extends EditText {
+    private static final String TAG = "NoteEditText";
+    private int mIndex;
+    private int mSelectionStartBeforeDelete;
+
+    private static final String SCHEME_TEL = "tel:" ;
+    private static final String SCHEME_HTTP = "http:" ;
+    private static final String SCHEME_EMAIL = "mailto:" ;
+
+    ///建立一个字符和整数的hash表，用于链接电话，网站，还有邮箱
+    private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>();
+    static {
+        sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel);
+        sSchemaActionResMap.put(SCHEME_HTTP, R.string.note_link_web);
+        sSchemaActionResMap.put(SCHEME_EMAIL, R.string.note_link_email);
+    }
+
+    /**
+     * Call by the {@link NoteEditActivity} to delete or add edit text
+     */
+    //在NoteEditActivity中删除或添加文本的操作，可以看做是一个文本是否被变的标记，英文注释已说明的很清楚
+    public interface OnTextViewChangeListener {
+        /**
+         * Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens
+         * and the text is null
+         */
+        //处理删除按键时的操作
+        void onEditTextDelete(int index, String text);
+
+        /**
+         * Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER}
+         * happen
+         */
+        //处理进入按键时的操作
+        void onEditTextEnter(int index, String text);
+
+        /**
+         * Hide or show item option when text change
+         */
+        void onTextChange(int index, boolean hasText);
+    }
+
+    private OnTextViewChangeListener mOnTextViewChangeListener;
+
+    //根据context设置文本
+    public NoteEditText(Context context) {
+        super(context, null);//用super引用父类变量
+        mIndex = 0;
+    }
+
+    //设置当前光标
+    public void setIndex(int index) {
+        mIndex = index;
+    }
+
+    //初始化文本修改标记
+    public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
+        mOnTextViewChangeListener = listener;
+    }
+
+    //AttributeSet 百度了一下是自定义空控件属性，用于维护便签动态变化的属性
+    //初始化便签
+    public NoteEditText(Context context, AttributeSet    attrs) {
+        super(context, attrs, android.R.attr.editTextStyle);
+    }
+
+    // 根据defstyle自动初始化
+    public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        // TODO Auto-generated construct or stub
+    }
+
+    @Override
+    //view里的函数，处理手机屏幕的所有事件
+    /*参数event为手机屏幕触摸事件封装类的对象，其中封装了该事件的所有信息，
+                例如触摸的位置、触摸的类型以及触摸的时间等。该对象会在用户触摸手机屏幕时被创建。*/
+    public boolean onTouchEvent(MotionEvent event) {
+        switch (event.getAction()) {
+            //重写了需要处理屏幕被按下的事件
+            case MotionEvent.ACTION_DOWN:
+                //跟新当前坐标值
+                int x = (int) event.getX();
+                int y = (int) event.getY();
+                x -= getTotalPaddingLeft();
+                y -= getTotalPaddingTop();
+                x += getScrollX();
+                y += getScrollY();
+
+                //用布局控件layout根据x,y的新值设置新的位置
+                Layout layout = getLayout();
+                int line = layout.getLineForVertical(y);
+                int off = layout.getOffsetForHorizontal(line, x);
+
+                //更新光标新的位置
+                Selection.setSelection(getText(), off);
+                break;
+        }
+
+        return super.onTouchEvent(event);
+    }
+
+    @Override
+    /*
+     * 函数功能：处理用户按下一个键盘按键时会触发 的事件
+     * 实现过程：如下注释
+     */
+    public boolean onKeyDown(int keyCode, KeyEvent event) {
+        switch (keyCode) {
+            //根据按键的 Unicode 编码值来处理
+            case KeyEvent.KEYCODE_ENTER:
+                //“进入”按键
+                if (mOnTextViewChangeListener != null) {
+                    return false;
+                }
+                break;
+            case KeyEvent.KEYCODE_DEL:
+                //“删除”按键
+                mSelectionStartBeforeDelete = getSelectionStart();
+                break;
+            default:
+                break;
+        }
+        //继续执行父类的其他点击事件
+        return super.onKeyDown(keyCode, event);
+    }
+
+    @Override
+    /*
+     * 函数功能：处理用户松开一个键盘按键时会触发 的事件
+     * 实现方式：如下注释
+     */
+    public boolean onKeyUp(int keyCode, KeyEvent event) {
+        switch(keyCode) {
+            //根据按键的 Unicode 编码值来处理，有删除和进入2种操作
+            case KeyEvent.KEYCODE_DEL:
+                if (mOnTextViewChangeListener != null) {
+                    //若是被修改过
+                    if (0 == mSelectionStartBeforeDelete && mIndex != 0) {
+                        //若之前有被修改并且文档不为空
+                        mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString());
+                        //利用上文OnTextViewChangeListener对KEYCODE_DEL按键情况的删除函数进行删除
+                        return true;
+                    }
+                } else {
+                    Log.d(TAG, "OnTextViewChangeListener was not seted");
+                    //其他情况报错，文档的改动监听器并没有建立
+                }
+                break;
+            case KeyEvent.KEYCODE_ENTER:
+                //同上也是分为监听器是否建立2种情况
+                if (mOnTextViewChangeListener != null) {
+                    int selectionStart = getSelectionStart();
+                    //获取当前位置
+                    String text = getText().subSequence(selectionStart, length()).toString();
+                    //获取当前文本
+                    setText(getText().subSequence(0, selectionStart));
+                    //根据获取的文本设置当前文本
+                    mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);
+                    //当{@link KeyEvent#KEYCODE_ENTER}添加新文本
+                } else {
+                    Log.d(TAG, "OnTextViewChangeListener was not seted");
+                    //其他情况报错，文档的改动监听器并没有建立
+                }
+                break;
+            default:
+                break;
+        }
+        //继续执行父类的其他按键弹起的事件
+        return super.onKeyUp(keyCode, event);
+    }
+
+    @Override
+    /*
+     * 函数功能：当焦点发生变化时，会自动调用该方法来处理焦点改变的事件
+     * 实现方式：如下注释
+     * 参数：focused表示触发该事件的View是否获得了焦点，当该控件获得焦点时，Focused等于true，否则等于false。
+           direction表示焦点移动的方向，用数值表示
+           Rect：表示在触发事件的View的坐标系中，前一个获得焦点的矩形区域，即表示焦点是从哪里来的。如果不可用则为null
+     */
+    protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
+        if (mOnTextViewChangeListener != null) {
+            //若监听器已经建立
+            if (!focused && TextUtils.isEmpty(getText())) {
+                //获取到焦点并且文本不为空
+                mOnTextViewChangeListener.onTextChange(mIndex, false);
+                //mOnTextViewChangeListener子函数，置false隐藏事件选项
+            } else {
+                mOnTextViewChangeListener.onTextChange(mIndex, true);
+                //mOnTextViewChangeListener子函数，置true显示事件选项
+            }
+        }
+        //继续执行父类的其他焦点变化的事件
+        super.onFocusChanged(focused, direction, previouslyFocusedRect);
+    }
+
+    @Override
+    /*
+     * 函数功能：生成上下文菜单
+     * 函数实现：如下注释
+     */
+    protected void onCreateContextMenu(ContextMenu menu) {
+        if (getText() instanceof Spanned) {
+            //有文本存在
+            int selStart = getSelectionStart();
+            int selEnd = getSelectionEnd();
+            //获取文本开始和结尾位置
+
+            int min = Math.min(selStart, selEnd);
+            int max = Math.max(selStart, selEnd);
+            //获取开始到结尾的最大值和最小值
+
+            final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class);
+            //设置url的信息的范围值
+            if (urls.length == 1) {
+                int defaultResId = 0;
+                for(String schema: sSchemaActionResMap.keySet()) {
+                    //获取计划表中所有的key值
+                    if(urls[0].getURL().indexOf(schema) >= 0) {
+                        //若url可以添加则在添加后将defaultResId置为key所映射的值
+                        defaultResId = sSchemaActionResMap.get(schema);
+                        break;
+                    }
+                }
+
+                if (defaultResId == 0) {
+                    //defaultResId == 0则说明url并没有添加任何东西，所以置为连接其他SchemaActionResMap的值
+                    defaultResId = R.string.note_link_other;
+                }
+
+                //建立菜单
+                menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener(
+                        new OnMenuItemClickListener() {
+                            //新建按键监听器
+                            public boolean onMenuItemClick(MenuItem item) {
+                                // goto a new intent
+                                urls[0].onClick(NoteEditText.this);
+                                //根据相应的文本设置菜单的按键
+                                return true;
+                            }
+                        });
+            }
+        }
+        //继续执行父类的其他菜单创建的事件
+        super.onCreateContextMenu(menu);
+    }
+}
diff --git a/other/210340140 程衍伟 代码标注/ui/NoteItemData.java b/other/210340140 程衍伟 代码标注/ui/NoteItemData.java
new file mode 100644
index 0000000..ff52c1f
--- /dev/null
+++ b/other/210340140 程衍伟 代码标注/ui/NoteItemData.java	
@@ -0,0 +1,230 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.text.TextUtils;
+
+import net.micode.notes.data.Contact;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.tool.DataUtils;
+
+
+public class NoteItemData {
+    static final String [] PROJECTION = new String [] {
+            NoteColumns.ID,
+            NoteColumns.ALERTED_DATE,
+            NoteColumns.BG_COLOR_ID,
+            NoteColumns.CREATED_DATE,
+            NoteColumns.HAS_ATTACHMENT,
+            NoteColumns.MODIFIED_DATE,
+            NoteColumns.NOTES_COUNT,
+            NoteColumns.PARENT_ID,
+            NoteColumns.SNIPPET,
+            NoteColumns.TYPE,
+            NoteColumns.WIDGET_ID,
+            NoteColumns.WIDGET_TYPE,
+    };
+    //常量标记和数据就不一一标记了，意义翻译基本就知道
+    private static final int ID_COLUMN                    = 0;
+    private static final int ALERTED_DATE_COLUMN          = 1;
+    private static final int BG_COLOR_ID_COLUMN           = 2;
+    private static final int CREATED_DATE_COLUMN          = 3;
+    private static final int HAS_ATTACHMENT_COLUMN        = 4;
+    private static final int MODIFIED_DATE_COLUMN         = 5;
+    private static final int NOTES_COUNT_COLUMN           = 6;
+    private static final int PARENT_ID_COLUMN             = 7;
+    private static final int SNIPPET_COLUMN               = 8;
+    private static final int TYPE_COLUMN                  = 9;
+    private static final int WIDGET_ID_COLUMN             = 10;
+    private static final int WIDGET_TYPE_COLUMN           = 11;
+
+    private long mId;
+    private long mAlertDate;
+    private int mBgColorId;
+    private long mCreatedDate;
+    private boolean mHasAttachment;
+    private long mModifiedDate;
+    private int mNotesCount;
+    private long mParentId;
+    private String mSnippet;
+    private int mType;
+    private int mWidgetId;
+    private int mWidgetType;
+    private String mName;
+    private String mPhoneNumber;
+
+    private boolean mIsLastItem;
+    private boolean mIsFirstItem;
+    private boolean mIsOnlyOneItem;
+    private boolean mIsOneNoteFollowingFolder;
+    private boolean mIsMultiNotesFollowingFolder;
+    //初始化NoteItemData，主要利用光标cursor获取的东西
+    public NoteItemData(Context context, Cursor  cursor) {
+        //getxxx为转换格式
+        mId = cursor.getLong(ID_COLUMN);
+        mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
+        mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN);
+        mCreatedDate = cursor.getLong(CREATED_DATE_COLUMN);
+        mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0) ? true : false;
+        mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN);
+        mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN);
+        mParentId = cursor.getLong(PARENT_ID_COLUMN);
+        mSnippet = cursor.getString(SNIPPET_COLUMN);
+        mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace(
+                NoteEditActivity.TAG_UNCHECKED, "");
+        mType = cursor.getInt(TYPE_COLUMN);
+        mWidgetId = cursor.getInt(WIDGET_ID_COLUMN);
+        mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN);
+
+        //初始化电话号码的信息
+        mPhoneNumber = "";
+        if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {
+            mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId);
+            if (!TextUtils.isEmpty(mPhoneNumber)) {//mphonenumber里有符合字符串，则用contart功能连接
+                mName = Contact.getContact(context, mPhoneNumber);
+                if (mName == null) {
+                    mName = mPhoneNumber;
+                }
+            }
+        }
+
+        if (mName == null) {
+            mName = "";
+        }
+        checkPostion(cursor);
+    }
+    ///根据鼠标的位置设置标记，和位置
+    private void checkPostion(Cursor cursor) {
+        //初始化几个标记，cursor具体功能笔记中已提到，不一一叙述
+        mIsLastItem = cursor.isLast() ? true : false;
+        mIsFirstItem = cursor.isFirst() ? true : false;
+        mIsOnlyOneItem = (cursor.getCount() == 1);
+        //初始化“多重子文件”“单一子文件”2个标记
+        mIsMultiNotesFollowingFolder = false;
+        mIsOneNoteFollowingFolder = false;
+
+        //主要是设置上诉2标记
+        if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {//若是note格式并且不是第一个元素
+            int position = cursor.getPosition();
+            if (cursor.moveToPrevious()) {//获取光标位置后看上一行
+                if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER
+                        || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {//若光标满足系统或note格式
+                    if (cursor.getCount() > (position + 1)) {
+                        mIsMultiNotesFollowingFolder = true;//若是数据行数大于但前位置+1则设置成正确
+                    } else {
+                        mIsOneNoteFollowingFolder = true;//否则单一文件夹标记为true
+                    }
+                }
+                if (!cursor.moveToNext()) {//若不能再往下走则报错
+                    throw new IllegalStateException("cursor move to previous but can't move back");
+                }
+            }
+        }
+    }
+    ///下面的代码的作用均是声明获取属性的方法，下面一系列函数都是返回状态值等，用于判断状态
+    public boolean isOneFollowingFolder() {
+        return mIsOneNoteFollowingFolder;
+    }
+
+    public boolean isMultiFollowingFolder() {
+        return mIsMultiNotesFollowingFolder;
+    }
+
+    public boolean isLast() {
+        return mIsLastItem;
+    }
+
+    public String getCallName() {
+        return mName;
+    }
+
+    public boolean isFirst() {
+        return mIsFirstItem;
+    }
+
+    public boolean isSingle() {
+        return mIsOnlyOneItem;
+    }
+
+    public long getId() {
+        return mId;
+    }
+
+    public long getAlertDate() {
+        return mAlertDate;
+    }
+
+    public long getCreatedDate() {
+        return mCreatedDate;
+    }
+
+    public boolean hasAttachment() {
+        return mHasAttachment;
+    }
+
+    public long getModifiedDate() {
+        return mModifiedDate;
+    }
+
+    public int getBgColorId() {
+        return mBgColorId;
+    }
+
+    public long getParentId() {
+        return mParentId;
+    }
+
+    public int getNotesCount() {
+        return mNotesCount;
+    }
+
+    public long getFolderId () {
+        return mParentId;
+    }
+
+    public int getType() {
+        return mType;
+    }
+
+    public int getWidgetType() {
+        return mWidgetType;
+    }
+
+    public int getWidgetId() {
+        return mWidgetId;
+    }
+
+    public String getSnippet() {
+        return mSnippet;
+    }
+
+    public boolean hasAlert() {
+        return (mAlertDate > 0);
+    }
+
+    //若数据父id为保存至文件夹模式的id且满足电话号码单元不为空，则isCallRecord为true
+    public boolean isCallRecord() {
+        return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));
+    }
+
+    public static int getNoteType(Cursor cursor) {//获得便签的类型
+        return cursor.getInt(TYPE_COLUMN);
+    }
+}
\ No newline at end of file
diff --git a/other/210340140 程衍伟 代码标注/ui/NotesListActivity.java b/other/210340140 程衍伟 代码标注/ui/NotesListActivity.java
new file mode 100644
index 0000000..9992129
--- /dev/null
+++ b/other/210340140 程衍伟 代码标注/ui/NotesListActivity.java	
@@ -0,0 +1,1018 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.appwidget.AppWidgetManager;
+import android.content.AsyncQueryHandler;
+import android.content.ContentResolver;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.database.Cursor;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.text.Editable;
+import android.text.TextUtils;
+import android.text.TextWatcher;
+import android.util.Log;
+import android.view.ActionMode;
+import android.view.ContextMenu;
+import android.view.ContextMenu.ContextMenuInfo;
+import android.view.Display;
+import android.view.HapticFeedbackConstants;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.MenuItem.OnMenuItemClickListener;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.View.OnCreateContextMenuListener;
+import android.view.View.OnTouchListener;
+import android.view.inputmethod.InputMethodManager;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.AdapterView.OnItemLongClickListener;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ListView;
+import android.widget.PopupMenu;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.gtask.remote.GTaskSyncService;
+import net.micode.notes.model.WorkingNote;
+import net.micode.notes.tool.BackupUtils;
+import net.micode.notes.tool.DataUtils;
+import net.micode.notes.tool.ResourceParser;
+import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
+import net.micode.notes.widget.NoteWidgetProvider_2x;
+import net.micode.notes.widget.NoteWidgetProvider_4x;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.HashSet;
+//主界面，一进入就是这个界面
+/**
+ * @author k
+ *
+ */
+public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {   //没有用特定的标签加注释。。。感觉没有什么用
+    private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
+
+    private static final int FOLDER_LIST_QUERY_TOKEN      = 1;
+
+    private static final int MENU_FOLDER_DELETE = 0;
+
+    private static final int MENU_FOLDER_VIEW = 1;
+
+    private static final int MENU_FOLDER_CHANGE_NAME = 2;
+
+    private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";  //单行超过80个字符
+
+    private enum ListEditState {
+        NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
+    };
+
+    private ListEditState mState;
+
+    private BackgroundQueryHandler mBackgroundQueryHandler;
+
+    private NotesListAdapter mNotesListAdapter;
+
+    private ListView mNotesListView;
+
+    private Button mAddNewNote;
+
+    private boolean mDispatch;
+
+    private int mOriginY;
+
+    private int mDispatchY;
+
+    private TextView mTitleBar;
+
+    private long mCurrentFolderId;
+
+    private ContentResolver mContentResolver;
+
+    private ModeCallback mModeCallBack;
+
+    private static final String TAG = "NotesListActivity";
+
+    public static final int NOTES_LISTVIEW_SCROLL_RATE = 30;
+
+    private NoteItemData mFocusNoteDataItem;
+
+    private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?";
+
+    private static final String ROOT_FOLDER_SELECTION = "(" + NoteColumns.TYPE + "<>"
+            + Notes.TYPE_SYSTEM + " AND " + NoteColumns.PARENT_ID + "=?)" + " OR ("
+            + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER + " AND "
+            + NoteColumns.NOTES_COUNT + ">0)";
+
+    private final static int REQUEST_CODE_OPEN_NODE = 102;
+    private final static int REQUEST_CODE_NEW_NODE  = 103;
+
+    @Override
+    // 创建类
+    protected void onCreate(final Bundle savedInstanceState) {  //需要是final类型   根据程序上下文环境，Java关键字final有“这是无法改变的”或者“终态的”含义，它可以修饰非抽象类、非抽象类成员方法和变量。你可能出于两种理解而需要阻止改变：设计或效率。
+        // final类不能被继承，没有子类，final类中的方法默认是final的。
+        //final方法不能被子类的方法覆盖，但可以被继承。
+        //final成员变量表示常量，只能被赋值一次，赋值后值不再改变。
+        //final不能用于修饰构造方法。
+        super.onCreate(savedInstanceState); // 调用父类的onCreate函数
+        setContentView(R.layout.note_list);
+        initResources();
+
+        /**
+         * Insert an introduction when user firstly use this application
+         */
+        setAppInfoFromRawRes();
+    }
+
+    @Override
+    // 返回一些子模块完成的数据交给主Activity处理
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        // 结果值 和 要求值 符合要求
+        if (resultCode == RESULT_OK
+                && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
+            mNotesListAdapter.changeCursor(null);
+        } else {
+            super.onActivityResult(requestCode, resultCode, data);
+            // 调用 Activity 的onActivityResult（）
+        }
+    }
+
+    private void setAppInfoFromRawRes() {
+        // Android平台给我们提供了一个SharedPreferences类，它是一个轻量级的存储类，特别适合用于保存软件配置参数。
+        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
+        if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
+            StringBuilder sb = new StringBuilder();
+            InputStream in = null;
+            try {
+                // 把资源文件放到应用程序的/raw/raw下，那么就可以在应用中使用getResources获取资源后,
+                // 以openRawResource方法（不带后缀的资源文件名）打开这个文件。
+                in = getResources().openRawResource(R.raw.introduction);
+                if (in != null) {
+                    InputStreamReader isr = new InputStreamReader(in);
+                    BufferedReader br = new BufferedReader(isr);
+                    char [] buf = new char[1024];  // 自行定义的数值，使用者不知道有什么意义
+                    int len = 0;
+                    while ((len = br.read(buf)) > 0) {
+                        sb.append(buf, 0, len);
+                    }
+                } else {
+                    Log.e(TAG, "Read introduction file error");
+                    return;
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+                return;
+            } finally {
+                if (in != null) {
+                    try {
+                        in.close();
+                    } catch (IOException e) {
+                        // TODO Auto-generated catch block
+                        e.printStackTrace();
+                    }
+                }
+            }
+
+            // 创建空的WorkingNote
+            WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
+                    AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
+                    ResourceParser.RED);
+            note.setWorkingText(sb.toString());
+            if (note.saveNote()) {
+                // 更新保存note的信息
+                sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit();
+            } else {
+                Log.e(TAG, "Save introduction note error");
+                return;
+            }
+        }
+    }
+
+    @Override
+    protected void onStart() {
+        super.onStart();
+        startAsyncNotesListQuery();
+    }
+
+    // 初始化资源
+    private void initResources() {
+        mContentResolver = this.getContentResolver(); // 获取应用程序的数据，得到类似数据表的东西
+        mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
+        mCurrentFolderId = Notes.ID_ROOT_FOLDER;
+
+        // findViewById 是安卓编程的定位函数，主要是引用.R文件里的引用名
+        mNotesListView = (ListView) findViewById(R.id.notes_list); // 绑定XML中的ListView，作为Item的容器
+        mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
+                null, false);
+        mNotesListView.setOnItemClickListener(new OnListItemClickListener());
+        mNotesListView.setOnItemLongClickListener(this);
+        mNotesListAdapter = new NotesListAdapter(this);
+        mNotesListView.setAdapter(mNotesListAdapter);
+        mAddNewNote = (Button) findViewById(R.id.btn_new_note);// 在activity中要获取该按钮
+        mAddNewNote.setOnClickListener(this);
+        mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener());
+        mDispatch = false;
+        mDispatchY = 0;
+        mOriginY = 0;
+        mTitleBar = (TextView) findViewById(R.id.tv_title_bar);
+        mState = ListEditState.NOTE_LIST;
+        mModeCallBack = new ModeCallback();
+    }
+
+    // 继承自ListView.MultiChoiceModeListener 和 OnMenuItemClickListener
+    private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
+        private DropdownMenu mDropDownMenu;
+        private ActionMode mActionMode;
+        private MenuItem mMoveMenu;
+
+        public boolean onCreateActionMode(ActionMode mode, Menu menu) {
+            getMenuInflater().inflate(R.menu.note_list_options, menu);
+            menu.findItem(R.id.delete).setOnMenuItemClickListener(this);
+            mMoveMenu = menu.findItem(R.id.move);
+            if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER
+                    || DataUtils.getUserFolderCount(mContentResolver) == 0) {
+                mMoveMenu.setVisible(false);
+            } else {
+                mMoveMenu.setVisible(true);
+                mMoveMenu.setOnMenuItemClickListener(this);
+            }
+            mActionMode = mode;
+            mNotesListAdapter.setChoiceMode(true);
+            mNotesListView.setLongClickable(false);
+            mAddNewNote.setVisibility(View.GONE);
+
+            View customView = LayoutInflater.from(NotesListActivity.this).inflate(
+                    R.layout.note_list_dropdown_menu, null);
+            mode.setCustomView(customView);
+            mDropDownMenu = new DropdownMenu(NotesListActivity.this,
+                    (Button) customView.findViewById(R.id.selection_menu),
+                    R.menu.note_list_dropdown);
+            mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){
+                public boolean onMenuItemClick(final MenuItem item) {
+                    mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());
+                    updateMenu();
+                    return true;
+                }
+
+            });
+            return true;
+        }
+
+        // 更新菜单
+        private void updateMenu() {
+            int selectedCount = mNotesListAdapter.getSelectedCount();
+            // Update dropdown menu
+            String format = getResources().getString(R.string.menu_select_title, selectedCount);
+            mDropDownMenu.setTitle(format); // 更改标题
+            MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);
+            if (item != null) {
+                if (mNotesListAdapter.isAllSelected()) {
+                    item.setChecked(true);
+                    item.setTitle(R.string.menu_deselect_all);
+                } else {
+                    item.setChecked(false);
+                    item.setTitle(R.string.menu_select_all);
+                }
+            }
+        }
+
+        public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+            // TODO Auto-generated method stub
+            return false;
+        }
+
+        public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+            // TODO Auto-generated method stub
+            return false;
+        }
+
+        public void onDestroyActionMode(ActionMode mode) {
+            mNotesListAdapter.setChoiceMode(false);
+            mNotesListView.setLongClickable(true);
+            mAddNewNote.setVisibility(View.VISIBLE);
+        }
+
+        public void finishActionMode() {
+            mActionMode.finish();
+        }
+
+        public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
+                                              boolean checked) {
+            mNotesListAdapter.setCheckedItem(position, checked);
+            updateMenu();
+        }
+
+        public boolean onMenuItemClick(MenuItem item) {
+            if (mNotesListAdapter.getSelectedCount() == 0) {
+                Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none),
+                        Toast.LENGTH_SHORT).show();
+                return true;
+            }
+
+            switch (item.getItemId()) {
+                case R.id.delete:
+                    AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+                    builder.setTitle(getString(R.string.alert_title_delete));
+                    builder.setIcon(android.R.drawable.ic_dialog_alert);
+                    builder.setMessage(getString(R.string.alert_message_delete_notes,
+                            mNotesListAdapter.getSelectedCount()));
+                    builder.setPositiveButton(android.R.string.ok,
+                            new DialogInterface.OnClickListener() {
+                                public void onClick(DialogInterface dialog,
+                                                    int which) {
+                                    batchDelete();
+                                }
+                            });
+                    builder.setNegativeButton(android.R.string.cancel, null);
+                    builder.show();
+                    break;
+                case R.id.move:
+                    startQueryDestinationFolders();
+                    break;
+                default:
+                    return false;
+            }
+            return true;
+        }
+    }
+
+    private class NewNoteOnTouchListener implements OnTouchListener {
+
+        public boolean onTouch(View v, MotionEvent event) {
+            switch (event.getAction()) {
+                case MotionEvent.ACTION_DOWN: {
+                    Display display = getWindowManager().getDefaultDisplay();
+                    int screenHeight = display.getHeight();
+                    int newNoteViewHeight = mAddNewNote.getHeight();
+                    int start = screenHeight - newNoteViewHeight;
+                    int eventY = start + (int) event.getY();
+                    /**
+                     * Minus TitleBar's height
+                     */
+                    if (mState == ListEditState.SUB_FOLDER) {
+                        eventY -= mTitleBar.getHeight();
+                        start -= mTitleBar.getHeight();
+                    }
+                    /**
+                     * HACKME:When click the transparent part of "New Note" button, dispatch
+                     * the event to the list view behind this button. The transparent part of
+                     * "New Note" button could be expressed by formula y=-0.12x+94锛圲nit:pixel锛�
+                     * and the line top of the button. The coordinate based on left of the "New
+                     * Note" button. The 94 represents maximum height of the transparent part.
+                     * Notice that, if the background of the button changes, the formula should
+                     * also change. This is very bad, just for the UI designer's strong requirement.
+                     */
+                    if (event.getY() < (event.getX() * (-0.12) + 94)) {
+                        View view = mNotesListView.getChildAt(mNotesListView.getChildCount() - 1
+                                - mNotesListView.getFooterViewsCount());
+                        if (view != null && view.getBottom() > start
+                                && (view.getTop() < (start + 94))) {
+                            mOriginY = (int) event.getY();
+                            mDispatchY = eventY;
+                            event.setLocation(event.getX(), mDispatchY);
+                            mDispatch = true;
+                            return mNotesListView.dispatchTouchEvent(event);
+                        }
+                    }
+                    break;
+                }
+                case MotionEvent.ACTION_MOVE: {
+                    if (mDispatch) {
+                        mDispatchY += (int) event.getY() - mOriginY;
+                        event.setLocation(event.getX(), mDispatchY);
+                        return mNotesListView.dispatchTouchEvent(event);
+                    }
+                    break;
+                }
+                default: {
+                    if (mDispatch) {
+                        event.setLocation(event.getX(), mDispatchY);
+                        mDispatch = false;
+                        return mNotesListView.dispatchTouchEvent(event);
+                    }
+                    break;
+                }
+            }
+            return false;
+        }
+
+    };
+
+    private void startAsyncNotesListQuery() {
+        String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION
+                : NORMAL_SELECTION;
+        mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
+                Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] {
+                        String.valueOf(mCurrentFolderId)
+                }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
+    }
+
+    private final class BackgroundQueryHandler extends AsyncQueryHandler {
+        public BackgroundQueryHandler(ContentResolver contentResolver) {
+            super(contentResolver);
+        }
+
+        @Override
+        protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
+            switch (token) {
+                case FOLDER_NOTE_LIST_QUERY_TOKEN:
+                    mNotesListAdapter.changeCursor(cursor);
+                    break;
+                case FOLDER_LIST_QUERY_TOKEN:
+                    if (cursor != null && cursor.getCount() > 0) {
+                        showFolderListMenu(cursor);
+                    } else {
+                        Log.e(TAG, "Query folder failed");
+                    }
+                    break;
+                default:
+                    return;
+            }
+        }
+    }
+
+    private void showFolderListMenu(Cursor cursor) {
+        AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+        builder.setTitle(R.string.menu_title_select_folder);
+        final FoldersListAdapter adapter = new FoldersListAdapter(this, cursor);
+        builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
+
+            public void onClick(DialogInterface dialog, int which) {
+                DataUtils.batchMoveToFolder(mContentResolver,
+                        mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which));
+                Toast.makeText(
+                        NotesListActivity.this,
+                        getString(R.string.format_move_notes_to_folder,
+                                mNotesListAdapter.getSelectedCount(),
+                                adapter.getFolderName(NotesListActivity.this, which)),
+                        Toast.LENGTH_SHORT).show();
+                mModeCallBack.finishActionMode();
+            }
+        });
+        builder.show();
+    }
+
+    private void createNewNote() {
+        Intent intent = new Intent(this, NoteEditActivity.class);
+        intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
+        intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mCurrentFolderId);
+        this.startActivityForResult(intent, REQUEST_CODE_NEW_NODE);
+    }
+
+    private void batchDelete() {
+        new AsyncTask<Void, Void, HashSet<AppWidgetAttribute>>() {
+            protected HashSet<AppWidgetAttribute> doInBackground(Void... unused) {
+                HashSet<AppWidgetAttribute> widgets = mNotesListAdapter.getSelectedWidget();
+                if (!isSyncMode()) {
+                    // if not synced, delete notes directly
+                    if (DataUtils.batchDeleteNotes(mContentResolver, mNotesListAdapter
+                            .getSelectedItemIds())) {
+                    } else {
+                        Log.e(TAG, "Delete notes error, should not happens");
+                    }
+                } else {
+                    // in sync mode, we'll move the deleted note into the trash
+                    // folder
+                    if (!DataUtils.batchMoveToFolder(mContentResolver, mNotesListAdapter
+                            .getSelectedItemIds(), Notes.ID_TRASH_FOLER)) {
+                        Log.e(TAG, "Move notes to trash folder error, should not happens");
+                    }
+                }
+                return widgets;
+            }
+
+            @Override
+            protected void onPostExecute(HashSet<AppWidgetAttribute> widgets) {
+                if (widgets != null) {
+                    for (AppWidgetAttribute widget : widgets) {
+                        if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+                                && widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) {
+                            updateWidget(widget.widgetId, widget.widgetType);
+                        }
+                    }
+                }
+                mModeCallBack.finishActionMode();
+            }
+        }.execute();
+    }
+
+    private void deleteFolder(long folderId) {
+        if (folderId == Notes.ID_ROOT_FOLDER) {
+            Log.e(TAG, "Wrong folder id, should not happen " + folderId);
+            return;
+        }
+
+        HashSet<Long> ids = new HashSet<Long>();
+        ids.add(folderId);
+        HashSet<AppWidgetAttribute> widgets = DataUtils.getFolderNoteWidget(mContentResolver,
+                folderId);
+        if (!isSyncMode()) {
+            // if not synced, delete folder directly
+            DataUtils.batchDeleteNotes(mContentResolver, ids);
+        } else {
+            // in sync mode, we'll move the deleted folder into the trash folder
+            DataUtils.batchMoveToFolder(mContentResolver, ids, Notes.ID_TRASH_FOLER);
+        }
+        if (widgets != null) {
+            for (AppWidgetAttribute widget : widgets) {
+                if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+                        && widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) {
+                    updateWidget(widget.widgetId, widget.widgetType);
+                }
+            }
+        }
+    }
+
+    private void openNode(NoteItemData data) {
+        Intent intent = new Intent(this, NoteEditActivity.class);
+        intent.setAction(Intent.ACTION_VIEW);
+        intent.putExtra(Intent.EXTRA_UID, data.getId());
+        this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE);
+    }
+
+    private void openFolder(NoteItemData data) {
+        mCurrentFolderId = data.getId();
+        startAsyncNotesListQuery();
+        if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
+            mState = ListEditState.CALL_RECORD_FOLDER;
+            mAddNewNote.setVisibility(View.GONE);
+        } else {
+            mState = ListEditState.SUB_FOLDER;
+        }
+        if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
+            mTitleBar.setText(R.string.call_record_folder_name);
+        } else {
+            mTitleBar.setText(data.getSnippet());
+        }
+        mTitleBar.setVisibility(View.VISIBLE);
+    }
+
+    public void onClick(View v) {
+        switch (v.getId()) {
+            case R.id.btn_new_note:
+                createNewNote();
+                break;
+            default:
+                break;
+        }
+    }
+
+    private void showSoftInput() {
+        InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+        if (inputMethodManager != null) {
+            inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
+        }
+    }
+
+    private void hideSoftInput(View view) {
+        InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+        inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
+    }
+
+    private void showCreateOrModifyFolderDialog(final boolean create) {
+        final AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        View view = LayoutInflater.from(this).inflate(R.layout.dialog_edit_text, null);
+        final EditText etName = (EditText) view.findViewById(R.id.et_foler_name);
+        showSoftInput();
+        if (!create) {
+            if (mFocusNoteDataItem != null) {
+                etName.setText(mFocusNoteDataItem.getSnippet());
+                builder.setTitle(getString(R.string.menu_folder_change_name));
+            } else {
+                Log.e(TAG, "The long click data item is null");
+                return;
+            }
+        } else {
+            etName.setText("");
+            builder.setTitle(this.getString(R.string.menu_create_folder));
+        }
+
+        builder.setPositiveButton(android.R.string.ok, null);
+        builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
+            public void onClick(DialogInterface dialog, int which) {
+                hideSoftInput(etName);
+            }
+        });
+
+        final Dialog dialog = builder.setView(view).show();
+        final Button positive = (Button)dialog.findViewById(android.R.id.button1);
+        positive.setOnClickListener(new OnClickListener() {
+            public void onClick(View v) {
+                hideSoftInput(etName);
+                String name = etName.getText().toString();
+                if (DataUtils.checkVisibleFolderName(mContentResolver, name)) {
+                    Toast.makeText(NotesListActivity.this, getString(R.string.folder_exist, name),
+                            Toast.LENGTH_LONG).show();
+                    etName.setSelection(0, etName.length());
+                    return;
+                }
+                if (!create) {
+                    if (!TextUtils.isEmpty(name)) {
+                        ContentValues values = new ContentValues();
+                        values.put(NoteColumns.SNIPPET, name);
+                        values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
+                        values.put(NoteColumns.LOCAL_MODIFIED, 1);
+                        mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID
+                                + "=?", new String[] {
+                                String.valueOf(mFocusNoteDataItem.getId())
+                        });
+                    }
+                } else if (!TextUtils.isEmpty(name)) {
+                    ContentValues values = new ContentValues();
+                    values.put(NoteColumns.SNIPPET, name);
+                    values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
+                    mContentResolver.insert(Notes.CONTENT_NOTE_URI, values);
+                }
+                dialog.dismiss();
+            }
+        });
+
+        if (TextUtils.isEmpty(etName.getText())) {
+            positive.setEnabled(false);
+        }
+        /**
+         * When the name edit text is null, disable the positive button
+         */
+        etName.addTextChangedListener(new TextWatcher() {
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+                // TODO Auto-generated method stub
+
+            }
+
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+                if (TextUtils.isEmpty(etName.getText())) {
+                    positive.setEnabled(false);
+                } else {
+                    positive.setEnabled(true);
+                }
+            }
+
+            public void afterTextChanged(Editable s) {
+                // TODO Auto-generated method stub
+
+            }
+        });
+    }
+
+    /* (non-Javadoc)
+     * @see android.app.Activity#onBackPressed()
+     * 按返回键时根据情况更改类中的数据
+     */
+    @Override
+    public void onBackPressed() { switch (mState) {
+        case SUB_FOLDER:
+            mCurrentFolderId = Notes.ID_ROOT_FOLDER;
+            mState = ListEditState.NOTE_LIST;
+            startAsyncNotesListQuery();
+            mTitleBar.setVisibility(View.GONE);
+            break;
+        case CALL_RECORD_FOLDER:
+            mCurrentFolderId = Notes.ID_ROOT_FOLDER;
+            mState = ListEditState.NOTE_LIST;
+            mAddNewNote.setVisibility(View.VISIBLE);
+            mTitleBar.setVisibility(View.GONE);
+            startAsyncNotesListQuery();
+            break;
+        case NOTE_LIST:
+            super.onBackPressed();
+            break;
+        default:
+            break;
+    }
+    }
+
+    /**
+     * @param appWidgetId
+     * @param appWidgetType
+     * 根据不同类型的widget更新插件，通过intent传送数据
+     */
+    private void updateWidget(int appWidgetId, int appWidgetType) {
+        Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
+        if (appWidgetType == Notes.TYPE_WIDGET_2X) {
+            intent.setClass(this, NoteWidgetProvider_2x.class);
+        } else if (appWidgetType == Notes.TYPE_WIDGET_4X) {
+            intent.setClass(this, NoteWidgetProvider_4x.class);
+        } else {
+            Log.e(TAG, "Unspported widget type");
+            return;
+        }
+
+        intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
+                appWidgetId
+        });
+
+        sendBroadcast(intent);
+        setResult(RESULT_OK, intent);
+    }
+
+    /**
+     * 声明监听器，建立菜单，包括名称，视图，删除操作，更改名称操作；
+     */
+    private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {
+        public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
+            if (mFocusNoteDataItem != null) {
+                menu.setHeaderTitle(mFocusNoteDataItem.getSnippet());
+                menu.add(0, MENU_FOLDER_VIEW, 0, R.string.menu_folder_view);
+                menu.add(0, MENU_FOLDER_DELETE, 0, R.string.menu_folder_delete);
+                menu.add(0, MENU_FOLDER_CHANGE_NAME, 0, R.string.menu_folder_change_name);
+            }
+        }
+    };
+
+    @Override
+    public void onContextMenuClosed(Menu menu) {
+        if (mNotesListView != null) {
+            mNotesListView.setOnCreateContextMenuListener(null);
+        }
+        super.onContextMenuClosed(menu);
+    }
+
+    /* (non-Javadoc)
+     * @see android.app.Activity#onContextItemSelected(android.view.MenuItem)
+     * 针对menu中不同的选择进行不同的处理，里面详细注释
+     */
+    @Override
+    public boolean onContextItemSelected(MenuItem item) {
+        if (mFocusNoteDataItem == null) {
+            Log.e(TAG, "The long click data item is null");
+            return false;
+        }
+        switch (item.getItemId()) {
+            case MENU_FOLDER_VIEW:
+                openFolder(mFocusNoteDataItem);//打开对应文件
+                break;
+            case MENU_FOLDER_DELETE:
+                AlertDialog.Builder builder = new AlertDialog.Builder(this);//设置确认是否删除的对话框
+                builder.setTitle(getString(R.string.alert_title_delete));
+                builder.setIcon(android.R.drawable.ic_dialog_alert);
+                builder.setMessage(getString(R.string.alert_message_delete_folder));
+                builder.setPositiveButton(android.R.string.ok,
+                        new DialogInterface.OnClickListener() {
+                            public void onClick(DialogInterface dialog, int which) {
+                                deleteFolder(mFocusNoteDataItem.getId());
+                            }
+                        });
+                builder.setNegativeButton(android.R.string.cancel, null);
+                builder.show();//显示对话框
+                break;
+            case MENU_FOLDER_CHANGE_NAME:
+                showCreateOrModifyFolderDialog(false);
+                break;
+            default:
+                break;
+        }
+
+        return true;
+    }
+
+    @Override
+    public boolean onPrepareOptionsMenu(Menu menu) {
+        menu.clear();
+        if (mState == ListEditState.NOTE_LIST) {
+            getMenuInflater().inflate(R.menu.note_list, menu);
+            // set sync or sync_cancel
+            menu.findItem(R.id.menu_sync).setTitle(
+                    GTaskSyncService.isSyncing() ? R.string.menu_sync_cancel : R.string.menu_sync);
+        } else if (mState == ListEditState.SUB_FOLDER) {
+            getMenuInflater().inflate(R.menu.sub_folder, menu);
+        } else if (mState == ListEditState.CALL_RECORD_FOLDER) {
+            getMenuInflater().inflate(R.menu.call_record_folder, menu);
+        } else {
+            Log.e(TAG, "Wrong state:" + mState);
+        }
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.menu_new_folder: {
+                showCreateOrModifyFolderDialog(true);
+                break;
+            }
+            case R.id.menu_export_text: {
+                exportNoteToText();
+                break;
+            }
+            case R.id.menu_sync: {
+                if (isSyncMode()) {
+                    if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) {
+                        GTaskSyncService.startSync(this);
+                    } else {
+                        GTaskSyncService.cancelSync(this);
+                    }
+                } else {
+                    startPreferenceActivity();
+                }
+                break;
+            }
+            case R.id.menu_setting: {
+                startPreferenceActivity();
+                break;
+            }
+            case R.id.menu_new_note: {
+                createNewNote();
+                break;
+            }
+            case R.id.menu_search:
+                onSearchRequested();
+                break;
+            default:
+                break;
+        }
+        return true;
+    }
+
+    /* (non-Javadoc)
+     * @see android.app.Activity#onSearchRequested()
+     * 直接调用startSearch函数
+     */
+    @Override
+    public boolean onSearchRequested() {
+        startSearch(null, false, null /* appData */, false);
+        return true;
+    }
+
+    /**
+     * 函数功能：实现将便签导出到文本功能
+     */
+    private void exportNoteToText() {
+        final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
+        new AsyncTask<Void, Void, Integer>() {
+
+            @Override
+            protected Integer doInBackground(Void... unused) {
+                return backup.exportToText();
+            }
+
+            @Override
+            protected void onPostExecute(Integer result) {
+                if (result == BackupUtils.STATE_SD_CARD_UNMOUONTED) {
+                    AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+                    builder.setTitle(NotesListActivity.this
+                            .getString(R.string.failed_sdcard_export));
+                    builder.setMessage(NotesListActivity.this
+                            .getString(R.string.error_sdcard_unmounted));
+                    builder.setPositiveButton(android.R.string.ok, null);
+                    builder.show();
+                } else if (result == BackupUtils.STATE_SUCCESS) {
+                    AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+                    builder.setTitle(NotesListActivity.this
+                            .getString(R.string.success_sdcard_export));
+                    builder.setMessage(NotesListActivity.this.getString(
+                            R.string.format_exported_file_location, backup
+                                    .getExportedTextFileName(), backup.getExportedTextFileDir()));
+                    builder.setPositiveButton(android.R.string.ok, null);
+                    builder.show();
+                } else if (result == BackupUtils.STATE_SYSTEM_ERROR) {
+                    AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+                    builder.setTitle(NotesListActivity.this
+                            .getString(R.string.failed_sdcard_export));
+                    builder.setMessage(NotesListActivity.this
+                            .getString(R.string.error_sdcard_export));
+                    builder.setPositiveButton(android.R.string.ok, null);
+                    builder.show();
+                }
+            }
+
+        }.execute();
+    }
+
+    /**
+     * @return
+     * 功能：判断是否正在同步
+     */
+    private boolean isSyncMode() {
+        return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
+    }
+
+    /**
+     * 功能：跳转到PreferenceActivity界面
+     */
+    private void startPreferenceActivity() {
+        Activity from = getParent() != null ? getParent() : this;
+        Intent intent = new Intent(from, NotesPreferenceActivity.class);
+        from.startActivityIfNeeded(intent, -1);
+    }
+
+    /**
+     * @author k
+     * 函数功能：实现对便签列表项的点击事件（短按）
+     */
+    private class OnListItemClickListener implements OnItemClickListener {
+
+        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+            if (view instanceof NotesListItem) {
+                NoteItemData item = ((NotesListItem) view).getItemData();
+                if (mNotesListAdapter.isInChoiceMode()) {
+                    if (item.getType() == Notes.TYPE_NOTE) {
+                        position = position - mNotesListView.getHeaderViewsCount();
+                        mModeCallBack.onItemCheckedStateChanged(null, position, id,
+                                !mNotesListAdapter.isSelectedItem(position));
+                    }
+                    return;
+                }
+
+                switch (mState) {
+                    case NOTE_LIST:
+                        if (item.getType() == Notes.TYPE_FOLDER
+                                || item.getType() == Notes.TYPE_SYSTEM) {
+                            openFolder(item);
+                        } else if (item.getType() == Notes.TYPE_NOTE) {
+                            openNode(item);
+                        } else {
+                            Log.e(TAG, "Wrong note type in NOTE_LIST");
+                        }
+                        break;
+                    case SUB_FOLDER:
+                    case CALL_RECORD_FOLDER:
+                        if (item.getType() == Notes.TYPE_NOTE) {
+                            openNode(item);
+                        } else {
+                            Log.e(TAG, "Wrong note type in SUB_FOLDER");
+                        }
+                        break;
+                    default:
+                        break;
+                }
+            }
+        }
+
+    }
+
+    /**
+     * 查询目标文件
+     */
+    private void startQueryDestinationFolders() {
+        String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
+        selection = (mState == ListEditState.NOTE_LIST) ? selection:
+                "(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")";
+
+        mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN,
+                null,
+                Notes.CONTENT_NOTE_URI,
+                FoldersListAdapter.PROJECTION,
+                selection,
+                new String[] {
+                        String.valueOf(Notes.TYPE_FOLDER),
+                        String.valueOf(Notes.ID_TRASH_FOLER),
+                        String.valueOf(mCurrentFolderId)
+                },
+                NoteColumns.MODIFIED_DATE + " DESC");
+    }
+
+    /* (non-Javadoc)
+     * @see android.widget.AdapterView.OnItemLongClickListener#onItemLongClick(android.widget.AdapterView, android.view.View, int, long)
+     * 长按某一项时进行的操作
+     * 如果长按的是便签，则通过ActionMode菜单实现；如果长按的是文件夹，则通过ContextMenu菜单实现；
+     *        具体ActionMOde菜单和ContextMenu菜单的详细见精度笔记
+     */
+    public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {// 函数：实现长按项目的点击事件。如果长按的是便签，则通过ActionMode菜单实现；如果长按的是文件夹，则通过ContextMenu菜单实现。
+        if (view instanceof NotesListItem) {
+            mFocusNoteDataItem = ((NotesListItem) view).getItemData();
+            if (mFocusNoteDataItem.getType() == Notes.TYPE_NOTE && !mNotesListAdapter.isInChoiceMode()) {
+                if (mNotesListView.startActionMode(mModeCallBack) != null) {
+                    mModeCallBack.onItemCheckedStateChanged(null, position, id, true);
+                    mNotesListView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
+                } else {
+                    Log.e(TAG, "startActionMode fails");
+                }
+            } else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) {
+                mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener);
+            }
+        }
+        return false;
+    }
+}
\ No newline at end of file
diff --git a/other/210340140 程衍伟 代码标注/ui/NotesListAdapter.java b/other/210340140 程衍伟 代码标注/ui/NotesListAdapter.java
new file mode 100644
index 0000000..5c5d3ee
--- /dev/null
+++ b/other/210340140 程衍伟 代码标注/ui/NotesListAdapter.java	
@@ -0,0 +1,273 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.util.Log;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CursorAdapter;
+
+
+import net.micode.notes.data.Notes;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+
+
+/*
+ * 功能：直译为便签表连接器，继承了CursorAdapter，它为cursor和ListView提供了连接的桥梁。
+ *     所以NotesListAdapter实现的是鼠标和编辑便签链接的桥梁
+ */
+public class NotesListAdapter extends CursorAdapter {
+    private static final String TAG = "NotesListAdapter";
+    private Context mContext;
+    private HashMap<Integer, Boolean> mSelectedIndex;
+    private int mNotesCount;    //便签数
+    private boolean mChoiceMode;   //选择模式标记
+
+    /*
+     * 桌面widget的属性，包括编号和类型
+     */
+    public static class AppWidgetAttribute {
+        public int widgetId;
+        public int widgetType;
+    };
+
+    /*
+     * 函数功能：初始化便签链接器
+     * 函数实现：根据传进来的内容设置相关变量
+     */
+    public NotesListAdapter(Context context) {
+        super(context, null);  //父类对象置空
+        mSelectedIndex = new HashMap<Integer, Boolean>();  //新建选项下标的hash表
+        mContext = context;
+        mNotesCount = 0;
+    }
+
+    @Override
+    /*
+     * 函数功能：新建一个视图来存储光标所指向的数据
+     * 函数实现：使用兄弟类NotesListItem新建一个项目选项
+     */
+    public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        return new NotesListItem(context);
+    }
+
+    /*
+     * 函数功能：将已经存在的视图和鼠标指向的数据进行捆绑
+     * 函数实现：如下注释
+     */
+    @Override
+    public void bindView(View view, Context context, Cursor cursor) {
+        if (view instanceof NotesListItem) {
+            //若view是NotesListItem的一个实例
+            NoteItemData itemData = new NoteItemData(context, cursor);
+            ((NotesListItem) view).bind(context, itemData, mChoiceMode,
+                    isSelectedItem(cursor.getPosition()));
+            //则新建一个项目选项并且用bind跟将view和鼠标，内容，便签数据捆绑在一起
+        }
+    }
+
+    /*
+     * 函数功能：设置勾选框
+     * 函数实现：如下注释
+     */
+    public void setCheckedItem(final int position, final boolean checked) {
+        mSelectedIndex.put(position, checked);
+        //根据定位和是否勾选设置下标
+        notifyDataSetChanged();
+        //在修改后刷新activity
+    }
+
+    /*
+     * 函数功能：判断单选按钮是否勾选
+     */
+    public boolean isInChoiceMode() {
+        return mChoiceMode;
+    }
+
+    /*
+     * 函数功能：设置单项选项框
+     * 函数实现：重置下标并且根据参数mode设置选项
+     */
+    public void setChoiceMode(boolean mode) {
+        mSelectedIndex.clear();
+        mChoiceMode = mode;
+    }
+
+    /*
+     * 函数功能：选择全部选项
+     * 函数实现：如下注释
+     */
+    public void selectAll(boolean checked) {
+        Cursor cursor = getCursor();
+        //获取光标位置
+        for (int i = 0; i < getCount(); i++) {
+            if (cursor.moveToPosition(i)) {
+                if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) {
+                    setCheckedItem(i, checked);
+                }
+            }
+        }
+        //遍历所有光标可用的位置在判断为便签类型之后勾选单项框
+    }
+
+    /*
+     * 函数功能：建立选择项的下标列表
+     * 函数实现：如下注释
+     */
+    public HashSet<Long> getSelectedItemIds() {
+        HashSet<Long> itemSet = new HashSet<Long>();
+        //建立hash表
+        for (Integer position : mSelectedIndex.keySet()) {
+            //遍历所有的关键
+            if (mSelectedIndex.get(position) == true) {
+                //若光标位置可用
+                Long id = getItemId(position);
+                if (id == Notes.ID_ROOT_FOLDER) {
+                    //原文件不需要添加
+                    Log.d(TAG, "Wrong item id, should not happen");
+                } else {
+                    itemSet.add(id);
+                }
+                //则将id该下标假如选项集合中
+
+            }
+        }
+
+        return itemSet;
+    }
+
+    /*
+     * 函数功能：建立桌面Widget的选项表
+     * 函数实现：如下注释
+     */
+    public HashSet<AppWidgetAttribute> getSelectedWidget() {
+        HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>();
+        for (Integer position : mSelectedIndex.keySet()) {
+            if (mSelectedIndex.get(position) == true) {
+                Cursor c = (Cursor) getItem(position);
+                //以上4句和getSelectedItemIds一样，不再重复
+                if (c != null) {
+                    //光标位置可用的话就建立新的Widget属性并编辑下标和类型，最后添加到选项集中
+                    AppWidgetAttribute widget = new AppWidgetAttribute();
+                    NoteItemData item = new NoteItemData(mContext, c);
+                    widget.widgetId = item.getWidgetId();
+                    widget.widgetType = item.getWidgetType();
+                    itemSet.add(widget);
+                    /**
+                     * Don't close cursor here, only the adapter could close it
+                     */
+                } else {
+                    Log.e(TAG, "Invalid cursor");
+                    return null;
+                }
+            }
+        }
+        return itemSet;
+    }
+
+    /*
+     * 函数功能：获取选项个数
+     * 函数实现：如下注释
+     */
+    public int getSelectedCount() {
+        Collection<Boolean> values = mSelectedIndex.values();
+        //首先获取选项下标的值
+        if (null == values) {
+            return 0;
+        }
+        Iterator<Boolean> iter = values.iterator();
+        //初始化叠加器
+        int count = 0;
+        while (iter.hasNext()) {
+            if (true == iter.next()) {
+                //若value值为真计数+1
+                count++;
+            }
+        }
+        return count;
+    }
+
+    /*
+     * 函数功能：判断是否全部选中
+     * 函数实现：如下注释
+     */
+    public boolean isAllSelected() {
+        int checkedCount = getSelectedCount();
+        return (checkedCount != 0 && checkedCount == mNotesCount);
+        //获取选项数看是否等于便签的个数
+    }
+
+    /*
+     * 函数功能：判断是否为选项表
+     * 函数实现：通过传递的下标来确定
+     */
+    public boolean isSelectedItem(final int position) {
+        if (null == mSelectedIndex.get(position)) {
+            return false;
+        }
+        return mSelectedIndex.get(position);
+    }
+
+    @Override
+    /*
+     * 函数功能：在activity内容发生局部变动的时候回调该函数计算便签的数量
+     * 函数实现：如下注释
+     */
+    protected void onContentChanged() {
+        super.onContentChanged();
+        //执行基类函数
+        calcNotesCount();
+    }
+
+    @Override
+    /*
+     * 函数功能：在activity光标发生局部变动的时候回调该函数计算便签的数量
+     */
+    public void changeCursor(Cursor cursor) {
+        super.changeCursor(cursor);
+        //执行基类函数
+        calcNotesCount();
+    }
+
+    /*
+     * 函数功能：计算便签数量
+     *
+     */
+    private void calcNotesCount() {
+        mNotesCount = 0;
+        for (int i = 0; i < getCount(); i++) {
+            //获取总数同时遍历
+            Cursor c = (Cursor) getItem(i);
+            if (c != null) {
+                if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) {
+                    mNotesCount++;
+                    //若该位置不为空并且文本类型为便签就+1
+                }
+            } else {
+                Log.e(TAG, "Invalid cursor");
+                return;
+            }
+            //否则报错
+        }
+    }
+}
diff --git a/other/210340140 程衍伟 代码标注/ui/NotesListItem.java b/other/210340140 程衍伟 代码标注/ui/NotesListItem.java
new file mode 100644
index 0000000..b89acf7
--- /dev/null
+++ b/other/210340140 程衍伟 代码标注/ui/NotesListItem.java	
@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.text.format.DateUtils;
+import android.view.View;
+import android.widget.CheckBox;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.tool.DataUtils;
+import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
+
+
+//创建便签列表项目选项
+public class NotesListItem extends LinearLayout {
+    private ImageView mAlert;//闹钟图片
+    private TextView mTitle;  //标题
+    private TextView mTime;   //时间
+    private TextView mCallName;    //
+    private NoteItemData mItemData; //标签数据
+    private CheckBox mCheckBox;    //打钩框
+
+    /*初始化基本信息*/
+    public NotesListItem(Context context) {
+        super(context);   //super()它的主要作用是调整调用父类构造函数的顺序
+        inflate(context, R.layout.note_item, this);//Inflate可用于将一个xml中定义的布局控件找出来,这里的xml是r。layout
+        //findViewById用于从contentView中查找指定ID的View，转换出来的形式根据需要而定;
+        mAlert = (ImageView) findViewById(R.id.iv_alert_icon);
+        mTitle = (TextView) findViewById(R.id.tv_title);
+        mTime = (TextView) findViewById(R.id.tv_time);
+        mCallName = (TextView) findViewById(R.id.tv_name);
+        mCheckBox = (CheckBox) findViewById(android.R.id.checkbox);
+    }
+    ///根据data的属性对各个控件的属性的控制，主要是可见性Visibility，内容setText，格式setTextAppearance
+    public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
+        if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
+            mCheckBox.setVisibility(View.VISIBLE);  ///设置可见行为可见
+            mCheckBox.setChecked(checked);         ///格子打钩
+        } else {
+            mCheckBox.setVisibility(View.GONE);
+        }
+
+        mItemData = data;
+        ///设置控件属性，一共三种情况，由data的id和父id是否与保存到文件夹的id一致来决定
+        if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
+            mCallName.setVisibility(View.GONE);
+            mAlert.setVisibility(View.VISIBLE);
+            //设置该textview的style
+            mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
+            //settext为设置内容
+            mTitle.setText(context.getString(R.string.call_record_folder_name)
+                    + context.getString(R.string.format_folder_files_count, data.getNotesCount()));
+            mAlert.setImageResource(R.drawable.call_record);
+        } else if (data.getParentId() == Notes.ID_CALL_RECORD_FOLDER) {
+            mCallName.setVisibility(View.VISIBLE);
+            mCallName.setText(data.getCallName());
+            mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem);
+            mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
+            ///关于闹钟的设置
+            if (data.hasAlert()) {
+                mAlert.setImageResource(R.drawable.clock);//图片来源的设置
+                mAlert.setVisibility(View.VISIBLE);
+            } else {
+                mAlert.setVisibility(View.GONE);
+            }
+        } else {
+            mCallName.setVisibility(View.GONE);
+            mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
+            ///设置title格式
+            if (data.getType() == Notes.TYPE_FOLDER) {
+                mTitle.setText(data.getSnippet()
+                        + context.getString(R.string.format_folder_files_count,
+                        data.getNotesCount()));
+                mAlert.setVisibility(View.GONE);
+            } else {
+                mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
+                if (data.hasAlert()) {
+                    mAlert.setImageResource(R.drawable.clock);///设置图片来源
+                    mAlert.setVisibility(View.VISIBLE);
+                } else {
+                    mAlert.setVisibility(View.GONE);
+                }
+            }
+        }
+        ///设置内容，获取相关时间，从data里编辑的日期中获取
+        mTime. setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
+
+        setBackground(data);
+    }
+    //根据data的文件属性来设置背景
+    private void setBackground(NoteItemData data) {
+        int id = data.getBgColorId();
+        //，若是note型文件，则4种情况，对于4种不同情况的背景来源
+        if (data.getType() == Notes.TYPE_NOTE) {
+            //单个数据并且只有一个子文件夹
+            if (data.isSingle() || data.isOneFollowingFolder()) {
+                setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));
+            } else if (data.isLast()) {//是最后一个数据
+                setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id));
+            } else if (data.isFirst() || data.isMultiFollowingFolder()) {//是一个数据并有多个子文件夹
+                setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id));
+            } else {
+                setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
+            }
+        } else {
+            //若不是note直接调用文件夹的背景来源
+            setBackgroundResource(NoteItemBgResources.getFolderBgRes());
+        }
+    }
+    public NoteItemData getItemData() {
+        return mItemData;
+    }//返回当前便签的数据信息
+}
diff --git a/other/210340140 程衍伟 代码标注/ui/NotesPreferenceActivity.java b/other/210340140 程衍伟 代码标注/ui/NotesPreferenceActivity.java
new file mode 100644
index 0000000..75cfd3d
--- /dev/null
+++ b/other/210340140 程衍伟 代码标注/ui/NotesPreferenceActivity.java	
@@ -0,0 +1,530 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.ui;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.app.ActionBar;
+import android.app.AlertDialog;
+import android.content.BroadcastReceiver;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.preference.Preference;
+import android.preference.Preference.OnPreferenceClickListener;
+import android.preference.PreferenceActivity;
+import android.preference.PreferenceCategory;
+import android.text.TextUtils;
+import android.text.format.DateFormat;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.gtask.remote.GTaskSyncService;
+
+/*
+ *该类功能：NotesPreferenceActivity，在小米便签中主要实现的是对背景颜色和字体大小的数据储存。
+ *       继承了PreferenceActivity主要功能为对系统信息和配置进行自动保存的Activity
+ */
+public class NotesPreferenceActivity extends PreferenceActivity {
+    public static final String PREFERENCE_NAME = "notes_preferences";
+    //优先名
+    public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";
+    //同步账号
+    public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";
+    //同步时间
+    public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear";
+
+    private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";
+    //同步密码
+    private static final String AUTHORITIES_FILTER_KEY = "authorities";
+    //本地密码
+    private PreferenceCategory mAccountCategory;
+    //账户分组
+    private GTaskReceiver mReceiver;
+    //同步任务接收器
+    private Account[] mOriAccounts;
+    //账户
+    private boolean mHasAddedAccount;
+    //账户的hash标记
+
+    @Override
+    /*
+     *函数功能：创建一个activity，在函数里要完成所有的正常静态设置
+     *参数：Bundle icicle：存放了 activity 当前的状态
+     *函数实现：如下注释
+     */
+    protected void onCreate(Bundle icicle) {
+        //先执行父类的创建函数
+        super.onCreate(icicle);
+
+        /* using the app icon for navigation */
+        getActionBar().setDisplayHomeAsUpEnabled(true);
+        //给左上角图标的左边加上一个返回的图标
+
+        addPreferencesFromResource(R.xml.preferences);
+        //添加xml来源并显示 xml
+        mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);
+        //根据同步账户关键码来初始化分组
+        mReceiver = new GTaskReceiver();
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);
+        registerReceiver(mReceiver, filter);
+        //初始化同步组件
+
+        mOriAccounts = null;
+        View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null);
+        //获取listvivew，ListView的作用:用于列出所有选择
+        getListView().addHeaderView(header, null, true);
+        //在listview组件上方添加其他组件
+    }
+
+    @Override
+    /*
+     * 函数功能：activity交互功能的实现，用于接受用户的输入
+     * 函数实现：如下注释
+     */
+    protected void onResume() {
+        //先执行父类 的交互实现
+        super.onResume();
+
+        // need to set sync account automatically if user has added a new
+        // account
+        if (mHasAddedAccount) {
+            //若用户新加了账户则自动设置同步账户
+            Account[] accounts = getGoogleAccounts();
+            //获取google同步账户
+            if (mOriAccounts != null && accounts.length > mOriAccounts.length) {
+                //若原账户不为空且当前账户有增加
+                for (Account accountNew : accounts) {
+                    boolean found = false;
+                    for (Account accountOld : mOriAccounts) {
+                        if (TextUtils.equals(accountOld.name, accountNew.name)) {
+                            //更新账户
+                            found = true;
+                            break;
+                        }
+                    }
+                    if (!found) {
+                        setSyncAccount(accountNew.name);
+                        //若是没有找到旧的账户，那么同步账号中就只添加新账户
+                        break;
+                    }
+                }
+            }
+        }
+
+        refreshUI();
+        //刷新标签界面
+    }
+
+    @Override
+    /*
+     * 函数功能：销毁一个activity
+     * 函数实现：如下注释
+     */
+    protected void onDestroy() {
+        if (mReceiver != null) {
+            unregisterReceiver(mReceiver);
+            //注销接收器
+        }
+        super.onDestroy();
+        //执行父类的销毁动作
+    }
+
+    /*
+     * 函数功能：重新设置账户信息
+     * 函数实现：如下注释
+     */
+    private void loadAccountPreference() {
+        mAccountCategory.removeAll();
+        //销毁所有的分组
+        Preference accountPref = new Preference(this);
+        //建立首选项
+        final String defaultAccount = getSyncAccountName(this);
+        accountPref.setTitle(getString(R.string.preferences_account_title));
+        accountPref.setSummary(getString(R.string.preferences_account_summary));
+        //设置首选项的大标题和小标题
+        accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
+            public boolean onPreferenceClick(Preference preference) {
+                //建立监听器
+                if (!GTaskSyncService.isSyncing()) {
+                    if (TextUtils.isEmpty(defaultAccount)) {
+                        // the first time to set account
+                        //若是第一次建立账户显示选择账户提示对话框
+                        showSelectAccountAlertDialog();
+                    } else {
+                        // if the account has already been set, we need to promp
+                        // user about the risk
+                        //若是已经建立则显示修改对话框并进行修改操作
+                        showChangeAccountConfirmAlertDialog();
+                    }
+                } else {
+                    //若在没有同步的情况下，则在toast中显示不能修改
+                    Toast.makeText(NotesPreferenceActivity.this,
+                                    R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT)
+                            .show();
+                }
+                return true;
+            }
+        });
+
+        //根据新建首选项编辑新的账户分组
+        mAccountCategory.addPreference(accountPref);
+    }
+
+    /*
+     *函数功能：设置按键的状态和最后同步的时间
+     *函数实现：如下注释
+     */
+    private void loadSyncButton() {
+        Button syncButton = (Button) findViewById(R.id.preference_sync_button);
+        TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
+        //获取同步按钮控件和最终同步时间的的窗口
+        // set button state
+        //设置按钮的状态
+        if (GTaskSyncService.isSyncing()) {
+            //若是在同步状态下
+            syncButton.setText(getString(R.string.preferences_button_sync_cancel));
+            syncButton.setOnClickListener(new View.OnClickListener() {
+                public void onClick(View v) {
+                    GTaskSyncService.cancelSync(NotesPreferenceActivity.this);
+                }
+            });
+            //设置按钮显示的文本为“取消同步”以及监听器
+        } else {
+            syncButton.setText(getString(R.string.preferences_button_sync_immediately));
+            syncButton.setOnClickListener(new View.OnClickListener() {
+                public void onClick(View v) {
+                    GTaskSyncService.startSync(NotesPreferenceActivity.this);
+                }
+            });
+            //若是不同步则设置按钮显示的文本为“立即同步”以及对应监听器
+        }
+        syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));
+        //设置按键可用还是不可用
+
+        // set last sync time
+        // 设置最终同步时间
+        if (GTaskSyncService.isSyncing()) {
+            //若是在同步的情况下
+            lastSyncTimeView.setText(GTaskSyncService.getProgressString());
+            lastSyncTimeView.setVisibility(View.VISIBLE);
+            // 根据当前同步服务器设置时间显示框的文本以及可见性
+        } else {
+            //若是非同步情况
+            long lastSyncTime = getLastSyncTime(this);
+            if (lastSyncTime != 0) {
+                lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time,
+                        DateFormat.format(getString(R.string.preferences_last_sync_time_format),
+                                lastSyncTime)));
+                lastSyncTimeView.setVisibility(View.VISIBLE);
+                //则根据最后同步时间的信息来编辑时间显示框的文本内容和可见性
+            } else {
+                //若时间为空直接设置为不可见状态
+                lastSyncTimeView.setVisibility(View.GONE);
+            }
+        }
+    }
+    /*
+     *函数功能：刷新标签界面
+     *函数实现：调用上文设置账号和设置按键两个函数来实现
+     */
+    private void refreshUI() {
+        loadAccountPreference();
+        loadSyncButton();
+    }
+
+    /*
+     * 函数功能：显示账户选择的对话框并进行账户的设置
+     * 函数实现：如下注释
+     */
+    private void showSelectAccountAlertDialog() {
+        AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
+        //创建一个新的对话框
+
+        View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
+        TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
+        titleTextView.setText(getString(R.string.preferences_dialog_select_account_title));
+        TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
+        subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips));
+        //设置标题以及子标题的内容
+        dialogBuilder.setCustomTitle(titleView);
+        dialogBuilder.setPositiveButton(null, null);
+        //设置对话框的自定义标题，建立一个YES的按钮
+        Account[] accounts = getGoogleAccounts();
+        String defAccount = getSyncAccountName(this);
+        //获取同步账户信息
+        mOriAccounts = accounts;
+        mHasAddedAccount = false;
+
+        if (accounts.length > 0) {
+            //若账户不为空
+            CharSequence[] items = new CharSequence[accounts.length];
+            final CharSequence[] itemMapping = items;
+            int checkedItem = -1;
+            int index = 0;
+            for (Account account : accounts) {
+                if (TextUtils.equals(account.name, defAccount)) {
+                    checkedItem = index;
+                    //在账户列表中查询到所需账户
+                }
+                items[index++] = account.name;
+            }
+            dialogBuilder.setSingleChoiceItems(items, checkedItem,
+                    //在对话框建立一个单选的复选框
+                    new DialogInterface.OnClickListener() {
+                        public void onClick(DialogInterface dialog, int which) {
+                            setSyncAccount(itemMapping[which].toString());
+                            dialog.dismiss();
+                            //取消对话框
+                            refreshUI();
+                        }
+                        //设置点击后执行的事件，包括检录新同步账户和刷新标签界面
+                    });
+            //建立对话框网络版的监听器
+        }
+
+        View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);
+        dialogBuilder.setView(addAccountView);
+        //给新加账户对话框设置自定义样式
+
+        final AlertDialog dialog = dialogBuilder.show();
+        //显示对话框
+        addAccountView.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                mHasAddedAccount = true;
+                //将新加账户的hash置true
+                Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
+                //建立网络建立组件
+                intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] {
+                        "gmail-ls"
+                });
+                startActivityForResult(intent, -1);
+                //跳回上一个选项
+                dialog.dismiss();
+            }
+        });
+        //建立新加账户对话框的监听器
+    }
+
+    /*
+     * 函数功能：显示账户选择对话框和相关账户操作
+     * 函数实现：如下注释
+     */
+    private void showChangeAccountConfirmAlertDialog() {
+        AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
+        //创建一个新的对话框
+        View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
+        TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
+        titleTextView.setText(getString(R.string.preferences_dialog_change_account_title,
+                getSyncAccountName(this)));
+        TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
+        subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
+        //根据同步修改的账户信息设置标题以及子标题的内容
+        dialogBuilder.setCustomTitle(titleView);
+        //设置对话框的自定义标题
+        CharSequence[] menuItemArray = new CharSequence[] {
+                getString(R.string.preferences_menu_change_account),
+                getString(R.string.preferences_menu_remove_account),
+                getString(R.string.preferences_menu_cancel)
+        };
+        //定义一些标记字符串
+        dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
+            //设置对话框要显示的一个list，用于显示几个命令时,即change，remove，cancel
+            public void onClick(DialogInterface dialog, int which) {
+                //按键功能，由which来决定
+                if (which == 0) {
+                    //进入账户选择对话框
+                    showSelectAccountAlertDialog();
+                } else if (which == 1) {
+                    //删除账户并且跟新便签界面
+                    removeSyncAccount();
+                    refreshUI();
+                }
+            }
+        });
+        dialogBuilder.show();
+        //显示对话框
+    }
+
+    /*
+     *函数功能：获取谷歌账户
+     *函数实现：通过账户管理器直接获取
+     */
+    private Account[] getGoogleAccounts() {
+        AccountManager accountManager = AccountManager.get(this);
+        return accountManager.getAccountsByType("com.google");
+    }
+
+    /*
+     * 函数功能：设置同步账户
+     * 函数实现：如下注释：
+     */
+    private void setSyncAccount(String account) {
+        if (!getSyncAccountName(this).equals(account)) {
+            //假如该账号不在同步账号列表中
+            SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
+            SharedPreferences.Editor editor = settings.edit();
+            //编辑共享的首选项
+            if (account != null) {
+                editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account);
+            } else {
+                editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
+            }
+            //将该账号加入到首选项中
+
+            editor.commit();
+            //提交修改的数据
+
+
+            setLastSyncTime(this, 0);
+            //将最后同步时间清零
+
+            // clean up local gtask related info
+            new Thread(new Runnable() {
+                public void run() {
+                    ContentValues values = new ContentValues();
+                    values.put(NoteColumns.GTASK_ID, "");
+                    values.put(NoteColumns.SYNC_ID, 0);
+                    getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
+                }
+            }).start();
+            //重置当地同步任务的信息
+
+            Toast.makeText(NotesPreferenceActivity.this,
+                    getString(R.string.preferences_toast_success_set_accout, account),
+                    Toast.LENGTH_SHORT).show();
+            //将toast的文本信息置为“设置账户成功”并显示出来
+        }
+    }
+    /*
+     * 函数功能：删除同步账户
+     * 函数实现：如下注释：
+     */
+    private void removeSyncAccount() {
+        SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
+        SharedPreferences.Editor editor = settings.edit();
+        //设置共享首选项
+
+        if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
+            editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME);
+            //假如当前首选项中有账户就删除
+        }
+        if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) {
+            editor.remove(PREFERENCE_LAST_SYNC_TIME);
+            //删除当前首选项中有账户时间
+        }
+        editor.commit();
+        //提交更新后的数据
+
+        // clean up local gtask related info
+        new Thread(new Runnable() {
+            public void run() {
+                ContentValues values = new ContentValues();
+                values.put(NoteColumns.GTASK_ID, "");
+                values.put(NoteColumns.SYNC_ID, 0);
+                getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
+            }
+        }).start();
+        //重置当地同步任务的信息
+    }
+
+    /*
+     * 函数功能：获取同步账户名称
+     * 函数实现：通过共享的首选项里的信息直接获取
+     */
+    public static String getSyncAccountName(Context context) {
+        SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
+                Context.MODE_PRIVATE);
+        return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
+    }
+
+    /*
+     * 函数功能：设置最终同步的时间
+     * 函数实现：如下注释
+     */
+    public static void setLastSyncTime(Context context, long time) {
+        SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
+                Context.MODE_PRIVATE);
+        SharedPreferences.Editor editor = settings.edit();
+        // 从共享首选项中找到相关账户并获取其编辑器
+        editor.putLong(PREFERENCE_LAST_SYNC_TIME, time);
+        editor.commit();
+        //编辑最终同步时间并提交更新
+    }
+    /*
+     * 函数功能：获取最终同步时间
+     * 函数实现：通过共享的首选项里的信息直接获取
+     */
+    public static long getLastSyncTime(Context context) {
+        SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
+                Context.MODE_PRIVATE);
+        return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
+    }
+
+    /*
+     * 函数功能：接受同步信息
+     * 函数实现：继承BroadcastReceiver
+     */
+    private class GTaskReceiver extends BroadcastReceiver {
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            refreshUI();
+            if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) {
+                //获取随广播而来的Intent中的同步服务的数据
+                TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
+                syncStatus.setText(intent
+                        .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
+                //通过获取的数据在设置系统的状态
+            }
+
+        }
+    }
+
+    /*
+     * 函数功能：处理菜单的选项
+     * 函数实现：如下注释
+     * 参数:MenuItem菜单选项
+     */
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            //根据选项的id选择，这里只有一个主页
+            case android.R.id.home:
+                Intent intent = new Intent(this, NotesListActivity.class);
+                intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+                startActivity(intent);
+                return true;
+            //在主页情况下在创建连接组件intent，发出清空的信号并开始一个相应的activity
+            default:
+                return false;
+        }
+    }
+}
+ 
diff --git a/src/Notes-master1/.gradle/7.5/checksums/checksums.lock b/src/Notes-master1/.gradle/7.5/checksums/checksums.lock
index c704e4b..b4b8a41 100644
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diff --git a/src/Notes-master1/.gradle/7.5/checksums/md5-checksums.bin b/src/Notes-master1/.gradle/7.5/checksums/md5-checksums.bin
new file mode 100644
index 0000000..a5e7c33
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diff --git a/src/Notes-master1/.gradle/7.5/checksums/sha1-checksums.bin b/src/Notes-master1/.gradle/7.5/checksums/sha1-checksums.bin
new file mode 100644
index 0000000..8f8db5b
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diff --git a/src/Notes-master1/.gradle/7.5/executionHistory/executionHistory.bin b/src/Notes-master1/.gradle/7.5/executionHistory/executionHistory.bin
index 49cb4a2..8566cec 100644
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diff --git a/src/Notes-master1/.gradle/7.5/executionHistory/executionHistory.lock b/src/Notes-master1/.gradle/7.5/executionHistory/executionHistory.lock
index 7573f89..9e28af7 100644
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diff --git a/src/Notes-master1/.gradle/7.5/fileHashes/fileHashes.bin b/src/Notes-master1/.gradle/7.5/fileHashes/fileHashes.bin
index 189ef4f..5772f7c 100644
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diff --git a/src/Notes-master1/.gradle/7.5/fileHashes/fileHashes.lock b/src/Notes-master1/.gradle/7.5/fileHashes/fileHashes.lock
index 14ec67e..14d3061 100644
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diff --git a/src/Notes-master1/.gradle/7.5/fileHashes/resourceHashesCache.bin b/src/Notes-master1/.gradle/7.5/fileHashes/resourceHashesCache.bin
index 1b220eb..2d5b13d 100644
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diff --git a/src/Notes-master1/.gradle/buildOutputCleanup/buildOutputCleanup.lock b/src/Notes-master1/.gradle/buildOutputCleanup/buildOutputCleanup.lock
index ebb05b8..9b27092 100644
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diff --git a/src/Notes-master1/.gradle/buildOutputCleanup/outputFiles.bin b/src/Notes-master1/.gradle/buildOutputCleanup/outputFiles.bin
index cf996d9..ec0d14e 100644
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diff --git a/src/Notes-master1/.gradle/file-system.probe b/src/Notes-master1/.gradle/file-system.probe
index 76b524f..9a80e40 100644
Binary files a/src/Notes-master1/.gradle/file-system.probe and b/src/Notes-master1/.gradle/file-system.probe differ
diff --git a/src/Notes-master1/.idea/render.experimental.xml b/src/Notes-master1/.idea/render.experimental.xml
new file mode 100644
index 0000000..8ec256a
--- /dev/null
+++ b/src/Notes-master1/.idea/render.experimental.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RenderSettings">
+    <option name="showDecorations" value="true" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/src/Notes-master1/.idea/vcs.xml b/src/Notes-master1/.idea/vcs.xml
new file mode 100644
index 0000000..b2bdec2
--- /dev/null
+++ b/src/Notes-master1/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/../.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/src/Notes-master1/app/build.gradle b/src/Notes-master1/app/build.gradle
index 2924db4..8c5d4ae 100644
--- a/src/Notes-master1/app/build.gradle
+++ b/src/Notes-master1/app/build.gradle
@@ -18,3 +18,7 @@ android {
         }
     }
 }
+
+dependencies {
+    implementation 'androidx.recyclerview:recyclerview:1.2.1'
+}
diff --git a/src/Notes-master1/app/build/intermediates/apk/debug/app-debug.apk b/src/Notes-master1/app/build/intermediates/apk/debug/app-debug.apk
index cd85620..f24ed22 100644
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index ab2b057..1cc30ef 100644
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diff --git a/src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/dirs_bucket_3/graph.bin b/src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/dirs_bucket_3/graph.bin
index 108f5ce..48a142c 100644
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diff --git a/src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/dirs_bucket_5/graph.bin b/src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/dirs_bucket_5/graph.bin
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diff --git a/src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_6cd080a137cd6c47b2aa34ddc45cb2f114d21cdc14a2e8250cbf75372ad7b9da_bucket_0/graph.bin b/src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_5749a1235ed03cd179ea4f3c365f661b2371bc5fef07fdae1888e24f71aa20ed_bucket_0/graph.bin
similarity index 100%
rename from src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_6cd080a137cd6c47b2aa34ddc45cb2f114d21cdc14a2e8250cbf75372ad7b9da_bucket_0/graph.bin
rename to src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_5749a1235ed03cd179ea4f3c365f661b2371bc5fef07fdae1888e24f71aa20ed_bucket_0/graph.bin
diff --git a/src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_6cd080a137cd6c47b2aa34ddc45cb2f114d21cdc14a2e8250cbf75372ad7b9da_bucket_1/graph.bin b/src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_5749a1235ed03cd179ea4f3c365f661b2371bc5fef07fdae1888e24f71aa20ed_bucket_1/graph.bin
similarity index 100%
rename from src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_6cd080a137cd6c47b2aa34ddc45cb2f114d21cdc14a2e8250cbf75372ad7b9da_bucket_1/graph.bin
rename to src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_5749a1235ed03cd179ea4f3c365f661b2371bc5fef07fdae1888e24f71aa20ed_bucket_1/graph.bin
diff --git a/src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_6cd080a137cd6c47b2aa34ddc45cb2f114d21cdc14a2e8250cbf75372ad7b9da_bucket_2/graph.bin b/src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_5749a1235ed03cd179ea4f3c365f661b2371bc5fef07fdae1888e24f71aa20ed_bucket_2/graph.bin
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rename from src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_6cd080a137cd6c47b2aa34ddc45cb2f114d21cdc14a2e8250cbf75372ad7b9da_bucket_2/graph.bin
rename to src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_5749a1235ed03cd179ea4f3c365f661b2371bc5fef07fdae1888e24f71aa20ed_bucket_2/graph.bin
diff --git a/src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_6cd080a137cd6c47b2aa34ddc45cb2f114d21cdc14a2e8250cbf75372ad7b9da_bucket_3/graph.bin b/src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_5749a1235ed03cd179ea4f3c365f661b2371bc5fef07fdae1888e24f71aa20ed_bucket_3/graph.bin
similarity index 100%
rename from src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_6cd080a137cd6c47b2aa34ddc45cb2f114d21cdc14a2e8250cbf75372ad7b9da_bucket_3/graph.bin
rename to src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_5749a1235ed03cd179ea4f3c365f661b2371bc5fef07fdae1888e24f71aa20ed_bucket_3/graph.bin
diff --git a/src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_6cd080a137cd6c47b2aa34ddc45cb2f114d21cdc14a2e8250cbf75372ad7b9da_bucket_4/graph.bin b/src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_5749a1235ed03cd179ea4f3c365f661b2371bc5fef07fdae1888e24f71aa20ed_bucket_4/graph.bin
similarity index 100%
rename from src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_6cd080a137cd6c47b2aa34ddc45cb2f114d21cdc14a2e8250cbf75372ad7b9da_bucket_4/graph.bin
rename to src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_5749a1235ed03cd179ea4f3c365f661b2371bc5fef07fdae1888e24f71aa20ed_bucket_4/graph.bin
diff --git a/src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_6cd080a137cd6c47b2aa34ddc45cb2f114d21cdc14a2e8250cbf75372ad7b9da_bucket_5/graph.bin b/src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_5749a1235ed03cd179ea4f3c365f661b2371bc5fef07fdae1888e24f71aa20ed_bucket_5/graph.bin
similarity index 100%
rename from src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_6cd080a137cd6c47b2aa34ddc45cb2f114d21cdc14a2e8250cbf75372ad7b9da_bucket_5/graph.bin
rename to src/Notes-master1/app/build/intermediates/desugar_graph/debug/out/currentProject/jar_5749a1235ed03cd179ea4f3c365f661b2371bc5fef07fdae1888e24f71aa20ed_bucket_5/graph.bin
diff --git a/src/Notes-master1/app/build/intermediates/dex/debug/mergeDexDebug/classes.dex b/src/Notes-master1/app/build/intermediates/dex/debug/mergeDexDebug/classes.dex
index 1277f85..3a6f21e 100644
Binary files a/src/Notes-master1/app/build/intermediates/dex/debug/mergeDexDebug/classes.dex and b/src/Notes-master1/app/build/intermediates/dex/debug/mergeDexDebug/classes.dex differ
diff --git a/src/Notes-master1/app/build/intermediates/dex_archive_input_jar_hashes/debug/out b/src/Notes-master1/app/build/intermediates/dex_archive_input_jar_hashes/debug/out
index ed43bb9..f01a802 100644
Binary files a/src/Notes-master1/app/build/intermediates/dex_archive_input_jar_hashes/debug/out and b/src/Notes-master1/app/build/intermediates/dex_archive_input_jar_hashes/debug/out differ
diff --git a/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/compile-file-map.properties b/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/compile-file-map.properties
index d894ce7..d960cea 100644
--- a/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/compile-file-map.properties
+++ b/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/compile-file-map.properties
@@ -1,96 +1,96 @@
-#Fri Mar 24 15:01:16 CST 2023
-net.micode.notes.app-main-7\:/drawable-hdpi/font_super.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_font_super.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/call_record.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_call_record.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/new_note_normal.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_new_note_normal.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/edit_yellow.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_edit_yellow.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/edit_title_green.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_edit_title_green.9.png.flat
-net.micode.notes.app-main-7\:/menu/sub_folder.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\menu_sub_folder.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/edit_title_yellow.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_edit_title_yellow.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/font_small.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_font_small.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/widget_2x_white.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_widget_2x_white.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/edit_white.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_edit_white.9.png.flat
-net.micode.notes.app-main-7\:/layout/account_dialog_title.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\layout_account_dialog_title.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/widget_4x_green.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_widget_4x_green.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_blue_down.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_blue_down.9.png.flat
-net.micode.notes.app-main-7\:/color/secondary_text_dark.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\color_secondary_text_dark.xml.flat
-net.micode.notes.app-main-7\:/layout/dialog_edit_text.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\layout_dialog_edit_text.xml.flat
-net.micode.notes.app-main-7\:/layout/widget_4x.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\layout_widget_4x.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_yellow_middle.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_yellow_middle.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/menu_delete.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_menu_delete.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/clock.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_clock.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/font_normal.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_font_normal.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/dropdown_icon.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_dropdown_icon.9.png.flat
-net.micode.notes.app-main-7\:/layout/note_edit.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\layout_note_edit.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/edit_green.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_edit_green.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_green_single.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_green_single.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_white_single.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_white_single.9.png.flat
-net.micode.notes.app-main-7\:/raw-zh-rCN/introduction=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\raw-zh-rCN_introduction.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/widget_2x_green.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_widget_2x_green.png.flat
-net.micode.notes.app-main-7\:/xml/preferences.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\xml_preferences.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_red_single.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_red_single.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/delete.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_delete.png.flat
-net.micode.notes.app-main-7\:/menu/call_record_folder.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\menu_call_record_folder.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/widget_2x_red.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_widget_2x_red.png.flat
-net.micode.notes.app-main-7\:/layout/widget_2x.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\layout_widget_2x.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/menu_move.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_menu_move.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_green_down.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_green_down.9.png.flat
-net.micode.notes.app-main-7\:/layout/note_edit_list_item.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\layout_note_edit_list_item.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/widget_2x_blue.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_widget_2x_blue.png.flat
-net.micode.notes.app-main-7\:/layout/add_account_text.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\layout_add_account_text.xml.flat
-net.micode.notes.app-main-7\:/xml/widget_4x_info.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\xml_widget_4x_info.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/font_size_selector_bg.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_font_size_selector_bg.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/selected.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_selected.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/search_result.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_search_result.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/widget_4x_white.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_widget_4x_white.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_blue_middle.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_blue_middle.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_green_middle.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_green_middle.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_white_down.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_white_down.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_blue_single.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_blue_single.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/font_large.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_font_large.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_yellow_up.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_yellow_up.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_red_middle.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_red_middle.9.png.flat
-net.micode.notes.app-main-7\:/layout/settings_header.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\layout_settings_header.xml.flat
-net.micode.notes.app-main-7\:/menu/note_list.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\menu_note_list.xml.flat
-net.micode.notes.app-main-7\:/menu/call_note_edit.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\menu_call_note_edit.xml.flat
-net.micode.notes.app-main-7\:/drawable/new_note.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable_new_note.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/edit_red.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_edit_red.9.png.flat
-net.micode.notes.app-main-7\:/layout/note_list.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\layout_note_list.xml.flat
-net.micode.notes.app-main-7\:/color/primary_text_dark.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\color_primary_text_dark.xml.flat
-net.micode.notes.app-main-7\:/layout/datetime_picker.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\layout_datetime_picker.xml.flat
-net.micode.notes.app-main-7\:/raw/introduction=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\raw_introduction.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_yellow_single.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_yellow_single.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/widget_4x_yellow.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_widget_4x_yellow.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/widget_4x_red.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_widget_4x_red.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/title_alert.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_title_alert.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_red_down.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_red_down.9.png.flat
-net.micode.notes.app-main-7\:/menu/note_list_options.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\menu_note_list_options.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/widget_2x_yellow.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_widget_2x_yellow.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/icon_app.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_icon_app.png.flat
-net.micode.notes.app-main-7\:/layout/note_item.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\layout_note_item.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_background.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_background.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/edit_title_red.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_edit_title_red.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/title_bar_bg.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_title_bar_bg.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_footer_bg.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_footer_bg.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/new_note_pressed.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_new_note_pressed.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_green_up.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_green_up.9.png.flat
-net.micode.notes.app-main-7\:/layout/note_list_dropdown_menu.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\layout_note_list_dropdown_menu.xml.flat
-net.micode.notes.app-main-7\:/layout/note_list_footer.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\layout_note_list_footer.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_red_up.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_red_up.9.png.flat
-net.micode.notes.app-main-7\:/menu/note_list_dropdown.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\menu_note_list_dropdown.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_white_up.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_white_up.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/edit_title_blue.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_edit_title_blue.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/bg_color_btn_mask.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_bg_color_btn_mask.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/edit_blue.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_edit_blue.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/bg_btn_set_color.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_bg_btn_set_color.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/edit_title_white.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_edit_title_white.9.png.flat
-net.micode.notes.app-main-7\:/xml/searchable.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\xml_searchable.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/notification.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_notification.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_blue_up.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_blue_up.9.png.flat
-net.micode.notes.app-main-7\:/xml/widget_2x_info.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\xml_widget_2x_info.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/note_edit_color_selector_panel.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_note_edit_color_selector_panel.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_white_middle.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_white_middle.9.png.flat
-net.micode.notes.app-main-7\:/layout/folder_list_item.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\layout_folder_list_item.xml.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_folder.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_folder.9.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/widget_4x_blue.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_widget_4x_blue.png.flat
-net.micode.notes.app-main-7\:/drawable-hdpi/list_yellow_down.9.png=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_list_yellow_down.9.png.flat
-net.micode.notes.app-main-7\:/menu/note_edit.xml=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\menu_note_edit.xml.flat
+#Fri Apr 14 16:51:59 CST 2023
+net.micode.notes.app-main-7\:/drawable-hdpi/font_super.png=D\:\\gitProject\\CJR_DXW_CYW\\src\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_font_super.png.flat
+net.micode.notes.app-main-7\:/drawable-hdpi/call_record.png=D\:\\gitProject\\CJR_DXW_CYW\\src\\Notes-master1\\app\\build\\intermediates\\merged_res\\debug\\drawable-hdpi_call_record.png.flat
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diff --git a/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/merged.dir/values-zh-rCN/values-zh-rCN.xml b/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/merged.dir/values-zh-rCN/values-zh-rCN.xml
deleted file mode 100644
index d65e0cc..0000000
--- a/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/merged.dir/values-zh-rCN/values-zh-rCN.xml
+++ /dev/null
@@ -1,108 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources xmlns:ns1="urn:oasis:names:tc:xliff:document:1.2">
-    <string-array name="menu_share_ways">
-        <item>短信</item>
-        <item>邮件</item>
-    </string-array>
-    <plurals name="search_results_title">
-        <item quantity="other"><ns1:g id="NUMBER">%1$s</ns1:g> 条符合“<ns1:g id="SEARCH">%2$s</ns1:g>”的搜索结果</item>
-    </plurals>
-    <string name="alert_message_delete_folder">确认删除文件夹及所包含的便签吗？</string>
-    <string name="alert_message_delete_note">确认要删除该条便签吗?</string>
-    <string name="alert_message_delete_notes">确认要删除所选的 %d 条便签吗?</string>
-    <string name="alert_title_delete">删除</string>
-    <string name="app_name">便签</string>
-    <string name="app_widget2x2">便签2x2</string>
-    <string name="app_widget4x4">便签4x4</string>
-    <string name="button_delete">删除</string>
-    <string name="call_record_folder_name">通话便签</string>
-    <string name="datetime_dialog_cancel">取消</string>
-    <string name="datetime_dialog_ok">设置</string>
-    <string name="delete_remind_time_message">成功删除提醒</string>
-    <string name="error_note_empty_for_clock">不能为空便签设置闹钟提醒</string>
-    <string name="error_note_empty_for_send_to_desktop">不能将空便签发送到桌面</string>
-    <string name="error_note_not_exist">要查看的便签不存在</string>
-    <string name="error_sdcard_export">导出文本时发生错误，请检查SD卡</string>
-    <string name="error_sdcard_unmounted">SD卡被占用，不能操作</string>
-    <string name="error_sync_cancelled">同步已取消</string>
-    <string name="error_sync_internal">同步失败，发生内部错误</string>
-    <string name="error_sync_network">同步失败，请检查网络和帐号设置</string>
-    <string name="failed_sdcard_export">导出失败</string>
-    <string name="folder_exist">文件夹 %1$s 已存在，请重新命名</string>
-    <string name="format_date_ymd">yyyyMMdd</string>
-    <string name="format_datetime_mdhm">MM月dd日 kk:mm</string>
-    <string name="format_exported_file_location">已将文本文件(%1$s)输出至SD卡(%2$s)目录</string>
-    <string name="format_move_notes_to_folder">已将所选 %1$d 条便签移到 %2$s 文件夹</string>
-    <string name="hint_foler_name">请输入名称</string>
-    <string name="info_note_enter_desktop">已添加到桌面</string>
-    <string name="menu_alert">提醒我</string>
-    <string name="menu_create_folder">新建文件夹</string>
-    <string name="menu_delete">删除</string>
-    <string name="menu_deselect_all">取消全选</string>
-    <string name="menu_export_text">导出文本</string>
-    <string name="menu_folder_change_name">修改文件夹名称</string>
-    <string name="menu_folder_delete">刪除文件夹</string>
-    <string name="menu_folder_view">查看文件夹</string>
-    <string name="menu_font_large">大</string>
-    <string name="menu_font_normal">正常</string>
-    <string name="menu_font_size">文字大小</string>
-    <string name="menu_font_small">小</string>
-    <string name="menu_font_super">超大</string>
-    <string name="menu_list_mode">进入清单模式</string>
-    <string name="menu_move">移动到文件夹</string>
-    <string name="menu_move_parent_folder">上一级文件夹</string>
-    <string name="menu_normal_mode">退出清单模式</string>
-    <string name="menu_remove_remind">删除提醒</string>
-    <string name="menu_search">搜索</string>
-    <string name="menu_select_all">全选</string>
-    <string name="menu_select_none">没有选中项，操作无效</string>
-    <string name="menu_select_title">选中了 %d 项</string>
-    <string name="menu_send_to_desktop">发送到桌面</string>
-    <string name="menu_setting">设置</string>
-    <string name="menu_share">分享</string>
-    <string name="menu_sync">同步</string>
-    <string name="menu_sync_cancel">取消同步</string>
-    <string name="menu_title_select_folder">选择文件夹</string>
-    <string name="note_alert_expired">已过期</string>
-    <string name="note_link_email">发送邮件</string>
-    <string name="note_link_other">打开地图</string>
-    <string name="note_link_tel">呼叫电话</string>
-    <string name="note_link_web">浏览网页</string>
-    <string name="notealert_enter">查看</string>
-    <string name="notealert_ok">知道了</string>
-    <string name="notelist_menu_new">新建便签</string>
-    <string name="notelist_string_info">...</string>
-    <string name="preferences_account_summary">与google task同步便签记录</string>
-    <string name="preferences_account_title">同步账号</string>
-    <string name="preferences_add_account">添加账号</string>
-    <string name="preferences_bg_random_appear_title">新建便签背景颜色随机</string>
-    <string name="preferences_button_sync_cancel">取消同步</string>
-    <string name="preferences_button_sync_immediately">立即同步</string>
-    <string name="preferences_dialog_change_account_title">当前帐号 %1$s</string>
-    <string name="preferences_dialog_change_account_warn_msg">如更换同步帐号，过去的帐号同步信息将被清空，再次切换的同时可能会造成数据重复</string>
-    <string name="preferences_dialog_select_account_tips">请选择google帐号，便签将与该帐号的google task内容同步。</string>
-    <string name="preferences_dialog_select_account_title">同步便签</string>
-    <string name="preferences_last_sync_time">上次同步于 %1$s</string>
-    <string name="preferences_menu_cancel">取消</string>
-    <string name="preferences_menu_change_account">更换账号</string>
-    <string name="preferences_menu_remove_account">删除账号</string>
-    <string name="preferences_title">设置</string>
-    <string name="preferences_toast_cannot_change_account">正在同步中，不能修改同步帐号</string>
-    <string name="preferences_toast_success_set_accout">同步帐号已设置为%1$s</string>
-    <string name="search">便签</string>
-    <string name="search_hint">搜索便签</string>
-    <string name="search_label">正在搜索便签</string>
-    <string name="search_setting_description">便签中的文字</string>
-    <string name="set_remind_time_message">创建提醒</string>
-    <string name="success_sdcard_export">导出成功</string>
-    <string name="success_sync_account">与%1$s同步成功</string>
-    <string name="sync_progress_init_list">正在获取服务器便签列表...</string>
-    <string name="sync_progress_login">登录%1$s...</string>
-    <string name="sync_progress_syncing">正在同步本地便签...</string>
-    <string name="ticker_cancel">同步已取消</string>
-    <string name="ticker_fail">同步失败</string>
-    <string name="ticker_success">同步成功</string>
-    <string name="ticker_syncing">同步便签...</string>
-    <string name="widget_havenot_content">没有关联内容，点击新建便签。</string>
-    <string name="widget_under_visit_mode">访客模式下，便签内容不可见</string>
-</resources>
\ No newline at end of file
diff --git a/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/merged.dir/values-zh-rTW/values-zh-rTW.xml b/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/merged.dir/values-zh-rTW/values-zh-rTW.xml
deleted file mode 100644
index 226b5bc..0000000
--- a/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/merged.dir/values-zh-rTW/values-zh-rTW.xml
+++ /dev/null
@@ -1,108 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources xmlns:ns1="urn:oasis:names:tc:xliff:document:1.2">
-    <string-array name="menu_share_ways">
-        <item>短信</item>
-        <item>郵件</item>
-    </string-array>
-    <plurals name="search_results_title">
-        <item quantity="other"><ns1:g id="NUMBER">%1$s</ns1:g> 條符合”<ns1:g id="SEARCH">%2$s</ns1:g>“的搜尋結果</item>
-    </plurals>
-    <string name="alert_message_delete_folder">確認刪除檔夾及所包含的便簽嗎？</string>
-    <string name="alert_message_delete_note">确认要删除該條便籤嗎?</string>
-    <string name="alert_message_delete_notes">确认要刪除所選的 %d 條便籤嗎?</string>
-    <string name="alert_title_delete">刪除</string>
-    <string name="app_name">便簽</string>
-    <string name="app_widget2x2">便簽2x2</string>
-    <string name="app_widget4x4">便簽4x4</string>
-    <string name="button_delete">刪除</string>
-    <string name="call_record_folder_name">通話便籤</string>
-    <string name="datetime_dialog_cancel">取消</string>
-    <string name="datetime_dialog_ok">設置</string>
-    <string name="delete_remind_time_message">成功刪除提醒</string>
-    <string name="error_note_empty_for_clock">不能爲空便籤設置鬧鐘提醒</string>
-    <string name="error_note_empty_for_send_to_desktop">不能將空便籤發送到桌面</string>
-    <string name="error_note_not_exist">要查看的便籤不存在</string>
-    <string name="error_sdcard_export">導出TXT時發生錯誤，請檢查SD卡</string>
-    <string name="error_sdcard_unmounted">SD卡被佔用，不能操作</string>
-    <string name="error_sync_cancelled">同步已取消</string>
-    <string name="error_sync_internal">同步失敗，發生內部錯誤</string>
-    <string name="error_sync_network">同步失敗，請檢查網絡和帳號設置</string>
-    <string name="failed_sdcard_export">導出失敗</string>
-    <string name="folder_exist">文件夾 %1$s 已存在，請重新命名</string>
-    <string name="format_date_ymd">yyyyMMdd</string>
-    <string name="format_datetime_mdhm">MM月dd日 kk:mm</string>
-    <string name="format_exported_file_location">已將文本文件(%1$s)導出至SD(%2$s)目錄</string>
-    <string name="format_move_notes_to_folder">已將所選 %1$d 便籤移到 %2$s 文件夾</string>
-    <string name="hint_foler_name">請輸入名稱</string>
-    <string name="info_note_enter_desktop">已添加到桌面</string>
-    <string name="menu_alert">提醒我</string>
-    <string name="menu_create_folder">新建文件夾</string>
-    <string name="menu_delete">刪除</string>
-    <string name="menu_deselect_all">取消全選</string>
-    <string name="menu_export_text">導出文本</string>
-    <string name="menu_folder_change_name">修改文件夾名稱</string>
-    <string name="menu_folder_delete">刪除文件夾</string>
-    <string name="menu_folder_view">查看文件夾</string>
-    <string name="menu_font_large">大</string>
-    <string name="menu_font_normal">正常</string>
-    <string name="menu_font_size">文字大小</string>
-    <string name="menu_font_small">小</string>
-    <string name="menu_font_super">超大</string>
-    <string name="menu_list_mode">進入清單模式</string>
-    <string name="menu_move">移動到文件夾</string>
-    <string name="menu_move_parent_folder">上一級文件夾</string>
-    <string name="menu_normal_mode">退出清單模式</string>
-    <string name="menu_remove_remind">刪除提醒</string>
-    <string name="menu_search">搜尋</string>
-    <string name="menu_select_all">全選</string>
-    <string name="menu_select_none">沒有選中項，操作無效</string>
-    <string name="menu_select_title">選中了 %d 項</string>
-    <string name="menu_send_to_desktop">發送到桌面</string>
-    <string name="menu_setting">設置</string>
-    <string name="menu_share">分享</string>
-    <string name="menu_sync">同步</string>
-    <string name="menu_sync_cancel">取消同步</string>
-    <string name="menu_title_select_folder">選擇文件夾</string>
-    <string name="note_alert_expired">已過期</string>
-    <string name="note_link_email">發送郵件</string>
-    <string name="note_link_other">打開地圖</string>
-    <string name="note_link_tel">呼叫電話</string>
-    <string name="note_link_web">浏覽網頁</string>
-    <string name="notealert_enter">查看</string>
-    <string name="notealert_ok">知道了</string>
-    <string name="notelist_menu_new">新建便簽</string>
-    <string name="notelist_string_info">...</string>
-    <string name="preferences_account_summary">与google task同步便簽記錄</string>
-    <string name="preferences_account_title">同步賬號</string>
-    <string name="preferences_add_account">添加賬號</string>
-    <string name="preferences_bg_random_appear_title">新建便籤背景顏色隨機</string>
-    <string name="preferences_button_sync_cancel">取消同步</string>
-    <string name="preferences_button_sync_immediately">立即同步</string>
-    <string name="preferences_dialog_change_account_title">當前帳號 %1$s</string>
-    <string name="preferences_dialog_change_account_warn_msg">如更換同步帳號，過去的帳號同步信息將被清空，再次切換的同時可能會造成數據重復</string>
-    <string name="preferences_dialog_select_account_tips">請選擇google帳號，便簽將與該帳號的google task內容同步。</string>
-    <string name="preferences_dialog_select_account_title">同步便簽</string>
-    <string name="preferences_last_sync_time">上次同步于 %1$s</string>
-    <string name="preferences_menu_cancel">取消</string>
-    <string name="preferences_menu_change_account">更換賬號</string>
-    <string name="preferences_menu_remove_account">刪除賬號</string>
-    <string name="preferences_title">設置</string>
-    <string name="preferences_toast_cannot_change_account">正在同步中，不能修改同步帳號</string>
-    <string name="preferences_toast_success_set_accout">同步帳號已設置為%1$s</string>
-    <string name="search">便籤</string>
-    <string name="search_hint">搜索便籤</string>
-    <string name="search_label">正在搜索便籤</string>
-    <string name="search_setting_description">便籤中的文字</string>
-    <string name="set_remind_time_message">創建提醒</string>
-    <string name="success_sdcard_export">導出成功</string>
-    <string name="success_sync_account">與%1$s同步成功</string>
-    <string name="sync_progress_init_list">正在獲取服務器便籤列表...</string>
-    <string name="sync_progress_login">登陸%1$s...</string>
-    <string name="sync_progress_syncing">正在同步本地便籤...</string>
-    <string name="ticker_cancel">同步已取消</string>
-    <string name="ticker_fail">同步失敗</string>
-    <string name="ticker_success">同步成功</string>
-    <string name="ticker_syncing">同步便簽...</string>
-    <string name="widget_havenot_content">沒有關聯內容，點擊新建便簽。</string>
-    <string name="widget_under_visit_mode">訪客模式下，便籤內容不可見</string>
-</resources>
\ No newline at end of file
diff --git a/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/merged.dir/values/values.xml b/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/merged.dir/values/values.xml
index e49b0c3..c71fd03 100644
--- a/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/merged.dir/values/values.xml
+++ b/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/merged.dir/values/values.xml
@@ -132,8 +132,8 @@
         <item name="android:textColor">@color/secondary_text_dark</item>
     </style>
     <style name="NoteActionBarStyle" parent="@android:style/Widget.Holo.Light.ActionBar.Solid">
-        <item name="android:displayOptions"/>
-        <item name="android:visibility">gone</item>
+
+        <item name="android:visibility">visible</item>
     </style>
     <style name="NoteTheme" parent="@android:style/Theme.Holo.Light">
         <item name="android:actionBarStyle">@style/NoteActionBarStyle</item>
diff --git a/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/merger.xml b/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/merger.xml
index a5a9c0f..85e19cf 100644
--- a/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/merger.xml
+++ b/src/Notes-master1/app/build/intermediates/incremental/debug/mergeDebugResources/merger.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<merger version="3" xmlns:ns1="urn:oasis:names:tc:xliff:document:1.2"><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="main$Generated" generated="true" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\ZIP\Notes-master1\app\src\main\res"/><source path="D:\ZIP\Notes-master1\app\build\generated\res\rs\debug"/><source path="D:\ZIP\Notes-master1\app\build\generated\res\resValues\debug"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="main" generated-set="main$Generated" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\ZIP\Notes-master1\app\src\main\res"><file name="primary_text_dark" path="D:\ZIP\Notes-master1\app\src\main\res\color\primary_text_dark.xml" qualifiers="" type="color"/><file name="secondary_text_dark" path="D:\ZIP\Notes-master1\app\src\main\res\color\secondary_text_dark.xml" qualifiers="" type="color"/><file name="new_note" path="D:\ZIP\Notes-master1\app\src\main\res\drawable\new_note.xml" qualifiers="" type="drawable"/><file name="bg_btn_set_color" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\bg_btn_set_color.png" qualifiers="hdpi-v4" type="drawable"/><file name="bg_color_btn_mask" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\bg_color_btn_mask.png" qualifiers="hdpi-v4" type="drawable"/><file name="call_record" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\call_record.png" qualifiers="hdpi-v4" type="drawable"/><file name="clock" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\clock.png" qualifiers="hdpi-v4" type="drawable"/><file name="delete" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\delete.png" qualifiers="hdpi-v4" type="drawable"/><file name="dropdown_icon" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\dropdown_icon.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="edit_blue" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\edit_blue.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="edit_green" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\edit_green.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="edit_red" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\edit_red.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="edit_title_blue" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\edit_title_blue.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="edit_title_green" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\edit_title_green.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="edit_title_red" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\edit_title_red.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="edit_title_white" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\edit_title_white.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="edit_title_yellow" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\edit_title_yellow.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="edit_white" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\edit_white.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="edit_yellow" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\edit_yellow.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="font_large" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\font_large.png" qualifiers="hdpi-v4" type="drawable"/><file name="font_normal" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\font_normal.png" qualifiers="hdpi-v4" type="drawable"/><file name="font_size_selector_bg" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\font_size_selector_bg.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="font_small" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\font_small.png" qualifiers="hdpi-v4" type="drawable"/><file name="font_super" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\font_super.png" qualifiers="hdpi-v4" type="drawable"/><file name="icon_app" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\icon_app.png" qualifiers="hdpi-v4" type="drawable"/><file name="list_background" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\list_background.png" qualifiers="hdpi-v4" type="drawable"/><file name="list_blue_down" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\list_blue_down.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="list_blue_middle" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\list_blue_middle.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="list_blue_single" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\list_blue_single.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="list_blue_up" path="D:\ZIP\Notes-master1\app\src\main\res\drawable-hdpi\list_blue_up.9.png" qualifiers="hdpi-v4" 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path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\list_white_single.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="list_white_up" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\list_white_up.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="list_yellow_down" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\list_yellow_down.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="list_yellow_middle" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\list_yellow_middle.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="list_yellow_single" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\list_yellow_single.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="list_yellow_up" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\list_yellow_up.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="menu_delete" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\menu_delete.png" qualifiers="hdpi-v4" type="drawable"/><file name="menu_move" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\menu_move.png" qualifiers="hdpi-v4" type="drawable"/><file name="new_note_normal" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\new_note_normal.png" qualifiers="hdpi-v4" type="drawable"/><file name="new_note_pressed" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\new_note_pressed.png" qualifiers="hdpi-v4" type="drawable"/><file name="note_edit_color_selector_panel" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\note_edit_color_selector_panel.png" qualifiers="hdpi-v4" type="drawable"/><file name="notification" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\notification.png" qualifiers="hdpi-v4" type="drawable"/><file name="search_result" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\search_result.png" qualifiers="hdpi-v4" type="drawable"/><file name="selected" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\selected.png" qualifiers="hdpi-v4" type="drawable"/><file name="title_alert" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\title_alert.png" qualifiers="hdpi-v4" type="drawable"/><file name="title_bar_bg" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\title_bar_bg.9.png" qualifiers="hdpi-v4" type="drawable"/><file name="widget_2x_blue" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\widget_2x_blue.png" qualifiers="hdpi-v4" type="drawable"/><file name="widget_2x_green" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\widget_2x_green.png" qualifiers="hdpi-v4" type="drawable"/><file name="widget_2x_red" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\widget_2x_red.png" qualifiers="hdpi-v4" type="drawable"/><file name="widget_2x_white" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\widget_2x_white.png" qualifiers="hdpi-v4" type="drawable"/><file name="widget_2x_yellow" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\widget_2x_yellow.png" qualifiers="hdpi-v4" type="drawable"/><file name="widget_4x_blue" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\widget_4x_blue.png" qualifiers="hdpi-v4" type="drawable"/><file name="widget_4x_green" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\widget_4x_green.png" qualifiers="hdpi-v4" type="drawable"/><file name="widget_4x_red" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\widget_4x_red.png" qualifiers="hdpi-v4" type="drawable"/><file name="widget_4x_white" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\widget_4x_white.png" qualifiers="hdpi-v4" type="drawable"/><file name="widget_4x_yellow" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\drawable-hdpi\widget_4x_yellow.png" qualifiers="hdpi-v4" type="drawable"/><file name="account_dialog_title" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\layout\account_dialog_title.xml" qualifiers="" type="layout"/><file name="add_account_text" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\layout\add_account_text.xml" qualifiers="" type="layout"/><file name="datetime_picker" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\layout\datetime_picker.xml" qualifiers="" type="layout"/><file name="dialog_edit_text" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\layout\dialog_edit_text.xml" qualifiers="" type="layout"/><file name="folder_list_item" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\layout\folder_list_item.xml" qualifiers="" type="layout"/><file name="note_edit" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\layout\note_edit.xml" qualifiers="" type="layout"/><file name="note_edit_list_item" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\layout\note_edit_list_item.xml" qualifiers="" type="layout"/><file name="note_item" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\layout\note_item.xml" qualifiers="" type="layout"/><file name="note_list" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\layout\note_list.xml" qualifiers="" type="layout"/><file name="note_list_dropdown_menu" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\layout\note_list_dropdown_menu.xml" qualifiers="" type="layout"/><file name="note_list_footer" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\layout\note_list_footer.xml" qualifiers="" type="layout"/><file name="settings_header" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\layout\settings_header.xml" qualifiers="" type="layout"/><file name="widget_2x" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\layout\widget_2x.xml" qualifiers="" type="layout"/><file name="widget_4x" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\layout\widget_4x.xml" qualifiers="" type="layout"/><file name="call_note_edit" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\menu\call_note_edit.xml" qualifiers="" type="menu"/><file name="call_record_folder" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\menu\call_record_folder.xml" qualifiers="" type="menu"/><file name="note_edit" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\menu\note_edit.xml" qualifiers="" type="menu"/><file name="note_list" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\menu\note_list.xml" qualifiers="" type="menu"/><file name="note_list_dropdown" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\menu\note_list_dropdown.xml" qualifiers="" type="menu"/><file name="note_list_options" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\menu\note_list_options.xml" qualifiers="" type="menu"/><file name="sub_folder" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\menu\sub_folder.xml" qualifiers="" type="menu"/><file name="introduction" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\raw\introduction" qualifiers="" type="raw"/><file name="introduction" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\raw-zh-rCN\introduction" qualifiers="zh-rCN" type="raw"/><file path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\values\arrays.xml" qualifiers=""><string-array name="format_for_exported_note">
         <item>-%s</item>      
         <item>--%s</item>     
         <item>--%s</item>     
@@ -7,11 +7,11 @@
     </string-array><string-array name="menu_share_ways">
         <item>Messaging</item>
         <item>Email</item>
-    </string-array></file><file path="D:\ZIP\Notes-master1\app\src\main\res\values\colors.xml" qualifiers=""><color name="user_query_highlight">#335b5b5b</color></file><file path="D:\ZIP\Notes-master1\app\src\main\res\values\dimens.xml" qualifiers=""><dimen name="text_font_size_super">33sp</dimen><dimen name="text_font_size_large">26sp</dimen><dimen name="text_font_size_medium">20sp</dimen><dimen name="text_font_size_normal">17sp</dimen><dimen name="text_font_size_small">14sp</dimen></file><file path="D:\ZIP\Notes-master1\app\src\main\res\values\strings.xml" qualifiers=""><string name="app_name">Notes</string><string name="app_widget2x2">Notes 2x2</string><string name="app_widget4x4">Notes 4x4</string><string name="widget_havenot_content">No associated note found, click to create associated note.</string><string name="widget_under_visit_mode">Privacy mode，can not see note content</string><string name="notelist_string_info">...</string><string name="notelist_menu_new">Add note</string><string name="delete_remind_time_message">Delete reminder successfully</string><string name="set_remind_time_message">Set reminder</string><string name="note_alert_expired">Expired</string><string name="format_date_ymd">yyyyMMdd</string><string name="format_datetime_mdhm">MMMd kk:mm</string><string name="notealert_ok">Got it</string><string name="notealert_enter">Take a look</string><string name="note_link_tel">Call</string><string name="note_link_email">Send email</string><string name="note_link_web">Browse web</string><string name="note_link_other">Open map</string><string name="file_path">/MIUI/notes/</string><string name="file_name_txt_format">notes_%s.txt</string><string name="format_folder_files_count">(%d)</string><string name="menu_create_folder">New Folder</string><string name="menu_export_text">Export text</string><string name="menu_sync">Sync</string><string name="menu_sync_cancel">Cancel syncing</string><string name="menu_setting">Settings</string><string name="menu_search">Search</string><string name="menu_delete">Delete</string><string name="menu_move">Move to folder</string><string name="menu_select_title">%d selected</string><string name="menu_select_none">Nothing selected, the operation is invalid</string><string name="menu_select_all">Select all</string><string name="menu_deselect_all">Deselect all</string><string name="menu_font_size">Font size</string><string name="menu_font_small">Small</string><string name="menu_font_normal">Medium</string><string name="menu_font_large">Large</string><string name="menu_font_super">Super</string><string name="menu_list_mode">Enter check list</string><string name="menu_normal_mode">Leave check list</string><string name="menu_folder_view">View folder</string><string name="menu_folder_delete">Delete folder</string><string name="menu_folder_change_name">Change folder name</string><string name="folder_exist">The folder %1$s exist, please rename</string><string name="menu_share">Share</string><string name="menu_send_to_desktop">Send to home</string><string name="menu_alert">Remind me</string><string name="menu_remove_remind">Delete reminder</string><string name="menu_title_select_folder">Select folder</string><string name="menu_move_parent_folder">Parent folder</string><string name="info_note_enter_desktop">Note added to home</string><string name="alert_message_delete_folder">Confirm to delete folder and its notes?</string><string name="alert_title_delete">Delete selected notes</string><string name="alert_message_delete_notes">Confirm to delete the selected %d notes?</string><string name="alert_message_delete_note">Confirm to delete this note?</string><string name="format_move_notes_to_folder">Have moved selected %1$d notes to %2$s folder</string><string name="error_sdcard_unmounted">SD card busy, not available now</string><string name="error_sdcard_export">Export failed, please check SD card</string><string name="error_note_not_exist">The note is not exist</string><string name="error_note_empty_for_clock">Sorry, can not set clock on empty note</string><string name="error_note_empty_for_send_to_desktop">Sorry, can not send and empty note to home</string><string name="success_sdcard_export">Export successful</string><string name="failed_sdcard_export">Export fail</string><string name="format_exported_file_location">Export text file (%1$s) to SD (%2$s) directory</string><string name="ticker_syncing">Syncing notes...</string><string name="ticker_success">Sync is successful</string><string name="ticker_fail">Sync is failed</string><string name="ticker_cancel">Sync is canceled</string><string name="success_sync_account">Sync is successful with account %1$s</string><string name="error_sync_network">Sync failed, please check network and account settings</string><string name="error_sync_internal">Sync failed, internal error occurs</string><string name="error_sync_cancelled">Sync is canceled</string><string name="sync_progress_login">Logging into %1$s...</string><string name="sync_progress_init_list">Getting remote note list...</string><string name="sync_progress_syncing">Synchronize local notes with Google Task...</string><string name="preferences_title">Settings</string><string name="preferences_account_title">Sync account</string><string name="preferences_account_summary">Sync notes with google task</string><string name="preferences_last_sync_time">Last sync time %1$s</string><string name="preferences_last_sync_time_format">yyyy-MM-dd hh:mm:ss</string><string name="preferences_add_account">Add account</string><string name="preferences_menu_change_account">Change sync account</string><string name="preferences_menu_remove_account">Remove sync account</string><string name="preferences_menu_cancel">Cancel</string><string name="preferences_button_sync_immediately">Sync immediately</string><string name="preferences_button_sync_cancel">Cancel syncing</string><string name="preferences_dialog_change_account_title">Current account %1$s</string><string name="preferences_dialog_change_account_warn_msg">All sync related information will be deleted, which may result in duplicated items sometime</string><string name="preferences_dialog_select_account_title">Sync notes</string><string name="preferences_dialog_select_account_tips">Please select a google account. Local notes will be synced with google task.</string><string name="preferences_toast_cannot_change_account">Cannot change the account because sync is in progress</string><string name="preferences_toast_success_set_accout">%1$s has been set as the sync account</string><string name="preferences_bg_random_appear_title">New note background color random</string><string name="button_delete">Delete</string><string name="call_record_folder_name">Call notes</string><string name="hint_foler_name">Input name</string><string name="search_label">Searching Notes</string><string name="search_hint">Search notes</string><string name="search_setting_description">Text in your notes</string><string name="search">Notes</string><string name="datetime_dialog_ok">set</string><string name="datetime_dialog_cancel">cancel</string><plurals name="search_results_title">
+    </string-array></file><file path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\values\colors.xml" qualifiers=""><color name="user_query_highlight">#335b5b5b</color></file><file path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\values\dimens.xml" qualifiers=""><dimen name="text_font_size_super">33sp</dimen><dimen name="text_font_size_large">26sp</dimen><dimen name="text_font_size_medium">20sp</dimen><dimen name="text_font_size_normal">17sp</dimen><dimen name="text_font_size_small">14sp</dimen></file><file path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\values\strings.xml" qualifiers=""><string name="app_name">Notes</string><string name="app_widget2x2">Notes 2x2</string><string name="app_widget4x4">Notes 4x4</string><string name="widget_havenot_content">No associated note found, click to create associated note.</string><string name="widget_under_visit_mode">Privacy mode，can not see note content</string><string name="notelist_string_info">...</string><string name="notelist_menu_new">Add note</string><string name="delete_remind_time_message">Delete reminder successfully</string><string name="set_remind_time_message">Set reminder</string><string name="note_alert_expired">Expired</string><string name="format_date_ymd">yyyyMMdd</string><string name="format_datetime_mdhm">MMMd kk:mm</string><string name="notealert_ok">Got it</string><string name="notealert_enter">Take a look</string><string name="note_link_tel">Call</string><string name="note_link_email">Send email</string><string name="note_link_web">Browse web</string><string name="note_link_other">Open map</string><string name="file_path">/MIUI/notes/</string><string name="file_name_txt_format">notes_%s.txt</string><string name="format_folder_files_count">(%d)</string><string name="menu_create_folder">New Folder</string><string name="menu_export_text">Export text</string><string name="menu_sync">Sync</string><string name="menu_sync_cancel">Cancel syncing</string><string name="menu_setting">Settings</string><string name="menu_search">Search</string><string name="menu_delete">Delete</string><string name="menu_move">Move to folder</string><string name="menu_select_title">%d selected</string><string name="menu_select_none">Nothing selected, the operation is invalid</string><string name="menu_select_all">Select all</string><string name="menu_deselect_all">Deselect all</string><string name="menu_font_size">Font size</string><string name="menu_font_small">Small</string><string name="menu_font_normal">Medium</string><string name="menu_font_large">Large</string><string name="menu_font_super">Super</string><string name="menu_list_mode">Enter check list</string><string name="menu_normal_mode">Leave check list</string><string name="menu_folder_view">View folder</string><string name="menu_folder_delete">Delete folder</string><string name="menu_folder_change_name">Change folder name</string><string name="folder_exist">The folder %1$s exist, please rename</string><string name="menu_share">Share</string><string name="menu_send_to_desktop">Send to home</string><string name="menu_alert">Remind me</string><string name="menu_remove_remind">Delete reminder</string><string name="menu_title_select_folder">Select folder</string><string name="menu_move_parent_folder">Parent folder</string><string name="info_note_enter_desktop">Note added to home</string><string name="alert_message_delete_folder">Confirm to delete folder and its notes?</string><string name="alert_title_delete">Delete selected notes</string><string name="alert_message_delete_notes">Confirm to delete the selected %d notes?</string><string name="alert_message_delete_note">Confirm to delete this note?</string><string name="format_move_notes_to_folder">Have moved selected %1$d notes to %2$s folder</string><string name="error_sdcard_unmounted">SD card busy, not available now</string><string name="error_sdcard_export">Export failed, please check SD card</string><string name="error_note_not_exist">The note is not exist</string><string name="error_note_empty_for_clock">Sorry, can not set clock on empty note</string><string name="error_note_empty_for_send_to_desktop">Sorry, can not send and empty note to home</string><string name="success_sdcard_export">Export successful</string><string name="failed_sdcard_export">Export fail</string><string name="format_exported_file_location">Export text file (%1$s) to SD (%2$s) directory</string><string name="ticker_syncing">Syncing notes...</string><string name="ticker_success">Sync is successful</string><string name="ticker_fail">Sync is failed</string><string name="ticker_cancel">Sync is canceled</string><string name="success_sync_account">Sync is successful with account %1$s</string><string name="error_sync_network">Sync failed, please check network and account settings</string><string name="error_sync_internal">Sync failed, internal error occurs</string><string name="error_sync_cancelled">Sync is canceled</string><string name="sync_progress_login">Logging into %1$s...</string><string name="sync_progress_init_list">Getting remote note list...</string><string name="sync_progress_syncing">Synchronize local notes with Google Task...</string><string name="preferences_title">Settings</string><string name="preferences_account_title">Sync account</string><string name="preferences_account_summary">Sync notes with google task</string><string name="preferences_last_sync_time">Last sync time %1$s</string><string name="preferences_last_sync_time_format">yyyy-MM-dd hh:mm:ss</string><string name="preferences_add_account">Add account</string><string name="preferences_menu_change_account">Change sync account</string><string name="preferences_menu_remove_account">Remove sync account</string><string name="preferences_menu_cancel">Cancel</string><string name="preferences_button_sync_immediately">Sync immediately</string><string name="preferences_button_sync_cancel">Cancel syncing</string><string name="preferences_dialog_change_account_title">Current account %1$s</string><string name="preferences_dialog_change_account_warn_msg">All sync related information will be deleted, which may result in duplicated items sometime</string><string name="preferences_dialog_select_account_title">Sync notes</string><string name="preferences_dialog_select_account_tips">Please select a google account. Local notes will be synced with google task.</string><string name="preferences_toast_cannot_change_account">Cannot change the account because sync is in progress</string><string name="preferences_toast_success_set_accout">%1$s has been set as the sync account</string><string name="preferences_bg_random_appear_title">New note background color random</string><string name="button_delete">Delete</string><string name="call_record_folder_name">Call notes</string><string name="hint_foler_name">Input name</string><string name="search_label">Searching Notes</string><string name="search_hint">Search notes</string><string name="search_setting_description">Text in your notes</string><string name="search">Notes</string><string name="datetime_dialog_ok">set</string><string name="datetime_dialog_cancel">cancel</string><plurals name="search_results_title">
          <item quantity="one"><ns1:g example="1" id="number">%1$s</ns1:g> result for \"<ns1:g example="???" id="search">%2$s</ns1:g>\"</item>
         
         <item quantity="other"><ns1:g example="15" id="number">%1$s</ns1:g> results for \"<ns1:g example="???" id="search">%2$s</ns1:g>\"</item>
-    </plurals></file><file path="D:\ZIP\Notes-master1\app\src\main\res\values\styles.xml" qualifiers=""><style name="TextAppearanceSuper">
+    </plurals></file><file path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\values\styles.xml" qualifiers=""><style name="TextAppearanceSuper">
         <item name="android:textSize">@dimen/text_font_size_super</item>
         <item name="android:textColorLink">#0000ff</item>
     </style><style name="TextAppearanceLarge">
@@ -41,16 +41,16 @@
     </style><style name="NoteTheme" parent="@android:style/Theme.Holo.Light">
         <item name="android:actionBarStyle">@style/NoteActionBarStyle</item>
     </style><style name="NoteActionBarStyle" parent="@android:style/Widget.Holo.Light.ActionBar.Solid">
-        <item name="android:displayOptions"/>
-        <item name="android:visibility">gone</item>
-    </style></file><file path="D:\ZIP\Notes-master1\app\src\main\res\values-zh-rCN\arrays.xml" qualifiers="zh-rCN"><string-array name="menu_share_ways">
+
+        <item name="android:visibility">visible</item>
+    </style></file><file path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\values-zh-rCN\arrays.xml" qualifiers="zh-rCN"><string-array name="menu_share_ways">
         <item>短信</item>
         <item>邮件</item>
-    </string-array></file><file path="D:\ZIP\Notes-master1\app\src\main\res\values-zh-rCN\strings.xml" qualifiers="zh-rCN"><string name="app_name">便签</string><string name="app_widget2x2">便签2x2</string><string name="app_widget4x4">便签4x4</string><string name="widget_havenot_content">没有关联内容，点击新建便签。</string><string name="widget_under_visit_mode">访客模式下，便签内容不可见</string><string name="notelist_string_info">...</string><string name="notelist_menu_new">新建便签</string><string name="delete_remind_time_message">成功删除提醒</string><string name="set_remind_time_message">创建提醒</string><string name="note_alert_expired">已过期</string><string name="format_date_ymd">yyyyMMdd</string><string name="format_datetime_mdhm">MM月dd日 kk:mm</string><string name="notealert_ok">知道了</string><string name="notealert_enter">查看</string><string name="note_link_tel">呼叫电话</string><string name="note_link_email">发送邮件</string><string name="note_link_web">浏览网页</string><string name="note_link_other">打开地图</string><string name="menu_create_folder">新建文件夹</string><string name="menu_export_text">导出文本</string><string name="menu_sync">同步</string><string name="menu_sync_cancel">取消同步</string><string name="menu_setting">设置</string><string name="menu_search">搜索</string><string name="menu_delete">删除</string><string name="menu_move">移动到文件夹</string><string name="menu_select_title">选中了 %d 项</string><string name="menu_select_none">没有选中项，操作无效</string><string name="menu_select_all">全选</string><string name="menu_deselect_all">取消全选</string><string name="menu_font_size">文字大小</string><string name="menu_font_small">小</string><string name="menu_font_normal">正常</string><string name="menu_font_large">大</string><string name="menu_font_super">超大</string><string name="menu_list_mode">进入清单模式</string><string name="menu_normal_mode">退出清单模式</string><string name="menu_folder_view">查看文件夹</string><string name="menu_folder_delete">刪除文件夹</string><string name="menu_folder_change_name">修改文件夹名称</string><string name="folder_exist">文件夹 %1$s 已存在，请重新命名</string><string name="menu_share">分享</string><string name="menu_send_to_desktop">发送到桌面</string><string name="menu_alert">提醒我</string><string name="menu_remove_remind">删除提醒</string><string name="menu_title_select_folder">选择文件夹</string><string name="menu_move_parent_folder">上一级文件夹</string><string name="info_note_enter_desktop">已添加到桌面</string><string name="alert_title_delete">删除</string><string name="alert_message_delete_notes">确认要删除所选的 %d 条便签吗?</string><string name="alert_message_delete_note">确认要删除该条便签吗?</string><string name="alert_message_delete_folder">确认删除文件夹及所包含的便签吗？</string><string name="format_move_notes_to_folder">已将所选 %1$d 条便签移到 %2$s 文件夹</string><string name="error_sdcard_unmounted">SD卡被占用，不能操作</string><string name="error_sdcard_export">导出文本时发生错误，请检查SD卡</string><string name="error_note_not_exist">要查看的便签不存在</string><string name="error_note_empty_for_clock">不能为空便签设置闹钟提醒</string><string name="error_note_empty_for_send_to_desktop">不能将空便签发送到桌面</string><string name="success_sdcard_export">导出成功</string><string name="failed_sdcard_export">导出失败</string><string name="format_exported_file_location">已将文本文件(%1$s)输出至SD卡(%2$s)目录</string><string name="ticker_syncing">同步便签...</string><string name="ticker_success">同步成功</string><string name="ticker_fail">同步失败</string><string name="ticker_cancel">同步已取消</string><string name="success_sync_account">与%1$s同步成功</string><string name="error_sync_network">同步失败，请检查网络和帐号设置</string><string name="error_sync_internal">同步失败，发生内部错误</string><string name="error_sync_cancelled">同步已取消</string><string name="sync_progress_login">登录%1$s...</string><string name="sync_progress_init_list">正在获取服务器便签列表...</string><string name="sync_progress_syncing">正在同步本地便签...</string><string name="preferences_title">设置</string><string name="preferences_account_title">同步账号</string><string name="preferences_account_summary">与google task同步便签记录</string><string name="preferences_last_sync_time">上次同步于 %1$s</string><string name="preferences_add_account">添加账号</string><string name="preferences_menu_change_account">更换账号</string><string name="preferences_menu_remove_account">删除账号</string><string name="preferences_menu_cancel">取消</string><string name="preferences_button_sync_immediately">立即同步</string><string name="preferences_button_sync_cancel">取消同步</string><string name="preferences_dialog_change_account_title">当前帐号 %1$s</string><string name="preferences_dialog_change_account_warn_msg">如更换同步帐号，过去的帐号同步信息将被清空，再次切换的同时可能会造成数据重复</string><string name="preferences_dialog_select_account_title">同步便签</string><string name="preferences_dialog_select_account_tips">请选择google帐号，便签将与该帐号的google task内容同步。</string><string name="preferences_toast_cannot_change_account">正在同步中，不能修改同步帐号</string><string name="preferences_toast_success_set_accout">同步帐号已设置为%1$s</string><string name="preferences_bg_random_appear_title">新建便签背景颜色随机</string><string name="button_delete">删除</string><string name="call_record_folder_name">通话便签</string><string name="hint_foler_name">请输入名称</string><string name="search_label">正在搜索便签</string><string name="search_hint">搜索便签</string><string name="search_setting_description">便签中的文字</string><string name="search">便签</string><string name="datetime_dialog_ok">设置</string><string name="datetime_dialog_cancel">取消</string><plurals name="search_results_title">
+    </string-array></file><file path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\values-zh-rCN\strings.xml" qualifiers="zh-rCN"><string name="app_name">便签</string><string name="app_widget2x2">便签2x2</string><string name="app_widget4x4">便签4x4</string><string name="widget_havenot_content">没有关联内容，点击新建便签。</string><string name="widget_under_visit_mode">访客模式下，便签内容不可见</string><string name="notelist_string_info">...</string><string name="notelist_menu_new">新建便签</string><string name="delete_remind_time_message">成功删除提醒</string><string name="set_remind_time_message">创建提醒</string><string name="note_alert_expired">已过期</string><string name="format_date_ymd">yyyyMMdd</string><string name="format_datetime_mdhm">MM月dd日 kk:mm</string><string name="notealert_ok">知道了</string><string name="notealert_enter">查看</string><string name="note_link_tel">呼叫电话</string><string name="note_link_email">发送邮件</string><string name="note_link_web">浏览网页</string><string name="note_link_other">打开地图</string><string name="menu_create_folder">新建文件夹</string><string name="menu_export_text">导出文本</string><string name="menu_sync">同步</string><string name="menu_sync_cancel">取消同步</string><string name="menu_setting">设置</string><string name="menu_search">搜索</string><string name="menu_delete">删除</string><string name="menu_move">移动到文件夹</string><string name="menu_select_title">选中了 %d 项</string><string name="menu_select_none">没有选中项，操作无效</string><string name="menu_select_all">全选</string><string name="menu_deselect_all">取消全选</string><string name="menu_font_size">文字大小</string><string name="menu_font_small">小</string><string name="menu_font_normal">正常</string><string name="menu_font_large">大</string><string name="menu_font_super">超大</string><string name="menu_list_mode">进入清单模式</string><string name="menu_normal_mode">退出清单模式</string><string name="menu_folder_view">查看文件夹</string><string name="menu_folder_delete">刪除文件夹</string><string name="menu_folder_change_name">修改文件夹名称</string><string name="folder_exist">文件夹 %1$s 已存在，请重新命名</string><string name="menu_share">分享</string><string name="menu_send_to_desktop">发送到桌面</string><string name="menu_alert">提醒我</string><string name="menu_remove_remind">删除提醒</string><string name="menu_title_select_folder">选择文件夹</string><string name="menu_move_parent_folder">上一级文件夹</string><string name="info_note_enter_desktop">已添加到桌面</string><string name="alert_title_delete">删除</string><string name="alert_message_delete_notes">确认要删除所选的 %d 条便签吗?</string><string name="alert_message_delete_note">确认要删除该条便签吗?</string><string name="alert_message_delete_folder">确认删除文件夹及所包含的便签吗？</string><string name="format_move_notes_to_folder">已将所选 %1$d 条便签移到 %2$s 文件夹</string><string name="error_sdcard_unmounted">SD卡被占用，不能操作</string><string name="error_sdcard_export">导出文本时发生错误，请检查SD卡</string><string name="error_note_not_exist">要查看的便签不存在</string><string name="error_note_empty_for_clock">不能为空便签设置闹钟提醒</string><string name="error_note_empty_for_send_to_desktop">不能将空便签发送到桌面</string><string name="success_sdcard_export">导出成功</string><string name="failed_sdcard_export">导出失败</string><string name="format_exported_file_location">已将文本文件(%1$s)输出至SD卡(%2$s)目录</string><string name="ticker_syncing">同步便签...</string><string name="ticker_success">同步成功</string><string name="ticker_fail">同步失败</string><string name="ticker_cancel">同步已取消</string><string name="success_sync_account">与%1$s同步成功</string><string name="error_sync_network">同步失败，请检查网络和帐号设置</string><string name="error_sync_internal">同步失败，发生内部错误</string><string name="error_sync_cancelled">同步已取消</string><string name="sync_progress_login">登录%1$s...</string><string name="sync_progress_init_list">正在获取服务器便签列表...</string><string name="sync_progress_syncing">正在同步本地便签...</string><string name="preferences_title">设置</string><string name="preferences_account_title">同步账号</string><string name="preferences_account_summary">与google task同步便签记录</string><string name="preferences_last_sync_time">上次同步于 %1$s</string><string name="preferences_add_account">添加账号</string><string name="preferences_menu_change_account">更换账号</string><string name="preferences_menu_remove_account">删除账号</string><string name="preferences_menu_cancel">取消</string><string name="preferences_button_sync_immediately">立即同步</string><string name="preferences_button_sync_cancel">取消同步</string><string name="preferences_dialog_change_account_title">当前帐号 %1$s</string><string name="preferences_dialog_change_account_warn_msg">如更换同步帐号，过去的帐号同步信息将被清空，再次切换的同时可能会造成数据重复</string><string name="preferences_dialog_select_account_title">同步便签</string><string name="preferences_dialog_select_account_tips">请选择google帐号，便签将与该帐号的google task内容同步。</string><string name="preferences_toast_cannot_change_account">正在同步中，不能修改同步帐号</string><string name="preferences_toast_success_set_accout">同步帐号已设置为%1$s</string><string name="preferences_bg_random_appear_title">新建便签背景颜色随机</string><string name="button_delete">删除</string><string name="call_record_folder_name">通话便签</string><string name="hint_foler_name">请输入名称</string><string name="search_label">正在搜索便签</string><string name="search_hint">搜索便签</string><string name="search_setting_description">便签中的文字</string><string name="search">便签</string><string name="datetime_dialog_ok">设置</string><string name="datetime_dialog_cancel">取消</string><plurals name="search_results_title">
         <item quantity="other"><ns1:g id="NUMBER">%1$s</ns1:g> 条符合“<ns1:g id="SEARCH">%2$s</ns1:g>”的搜索结果</item>
-    </plurals></file><file path="D:\ZIP\Notes-master1\app\src\main\res\values-zh-rTW\arrays.xml" qualifiers="zh-rTW"><string-array name="menu_share_ways">
+    </plurals></file><file path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\values-zh-rTW\arrays.xml" qualifiers="zh-rTW"><string-array name="menu_share_ways">
         <item>短信</item>
         <item>郵件</item>
-    </string-array></file><file path="D:\ZIP\Notes-master1\app\src\main\res\values-zh-rTW\strings.xml" qualifiers="zh-rTW"><string name="app_name">便簽</string><string name="app_widget2x2">便簽2x2</string><string name="app_widget4x4">便簽4x4</string><string name="widget_havenot_content">沒有關聯內容，點擊新建便簽。</string><string name="widget_under_visit_mode">訪客模式下，便籤內容不可見</string><string name="notelist_string_info">...</string><string name="notelist_menu_new">新建便簽</string><string name="delete_remind_time_message">成功刪除提醒</string><string name="set_remind_time_message">創建提醒</string><string name="note_alert_expired">已過期</string><string name="format_date_ymd">yyyyMMdd</string><string name="format_datetime_mdhm">MM月dd日 kk:mm</string><string name="notealert_ok">知道了</string><string name="notealert_enter">查看</string><string name="note_link_tel">呼叫電話</string><string name="note_link_email">發送郵件</string><string name="note_link_web">浏覽網頁</string><string name="note_link_other">打開地圖</string><string name="format_move_notes_to_folder">已將所選 %1$d 便籤移到 %2$s 文件夾</string><string name="menu_create_folder">新建文件夾</string><string name="menu_export_text">導出文本</string><string name="menu_sync">同步</string><string name="menu_sync_cancel">取消同步</string><string name="menu_setting">設置</string><string name="menu_search">搜尋</string><string name="menu_delete">刪除</string><string name="menu_move">移動到文件夾</string><string name="menu_select_title">選中了 %d 項</string><string name="menu_select_none">沒有選中項，操作無效</string><string name="menu_select_all">全選</string><string name="menu_deselect_all">取消全選</string><string name="menu_font_size">文字大小</string><string name="menu_font_small">小</string><string name="menu_font_normal">正常</string><string name="menu_font_large">大</string><string name="menu_font_super">超大</string><string name="menu_list_mode">進入清單模式</string><string name="menu_normal_mode">退出清單模式</string><string name="menu_folder_view">查看文件夾</string><string name="menu_folder_delete">刪除文件夾</string><string name="menu_folder_change_name">修改文件夾名稱</string><string name="folder_exist">文件夾 %1$s 已存在，請重新命名</string><string name="menu_share">分享</string><string name="menu_send_to_desktop">發送到桌面</string><string name="menu_alert">提醒我</string><string name="menu_remove_remind">刪除提醒</string><string name="menu_title_select_folder">選擇文件夾</string><string name="menu_move_parent_folder">上一級文件夾</string><string name="info_note_enter_desktop">已添加到桌面</string><string name="alert_title_delete">刪除</string><string name="alert_message_delete_notes">确认要刪除所選的 %d 條便籤嗎?</string><string name="alert_message_delete_note">确认要删除該條便籤嗎?</string><string name="alert_message_delete_folder">確認刪除檔夾及所包含的便簽嗎？</string><string name="error_sdcard_unmounted">SD卡被佔用，不能操作</string><string name="error_sdcard_export">導出TXT時發生錯誤，請檢查SD卡</string><string name="error_note_not_exist">要查看的便籤不存在</string><string name="error_note_empty_for_clock">不能爲空便籤設置鬧鐘提醒</string><string name="error_note_empty_for_send_to_desktop">不能將空便籤發送到桌面</string><string name="success_sdcard_export">導出成功</string><string name="failed_sdcard_export">導出失敗</string><string name="format_exported_file_location">已將文本文件(%1$s)導出至SD(%2$s)目錄</string><string name="ticker_syncing">同步便簽...</string><string name="ticker_success">同步成功</string><string name="ticker_fail">同步失敗</string><string name="ticker_cancel">同步已取消</string><string name="success_sync_account">與%1$s同步成功</string><string name="error_sync_network">同步失敗，請檢查網絡和帳號設置</string><string name="error_sync_internal">同步失敗，發生內部錯誤</string><string name="error_sync_cancelled">同步已取消</string><string name="sync_progress_login">登陸%1$s...</string><string name="sync_progress_init_list">正在獲取服務器便籤列表...</string><string name="sync_progress_syncing">正在同步本地便籤...</string><string name="preferences_title">設置</string><string name="preferences_account_title">同步賬號</string><string name="preferences_account_summary">与google task同步便簽記錄</string><string name="preferences_last_sync_time">上次同步于 %1$s</string><string name="preferences_add_account">添加賬號</string><string name="preferences_menu_change_account">更換賬號</string><string name="preferences_menu_remove_account">刪除賬號</string><string name="preferences_menu_cancel">取消</string><string name="preferences_button_sync_immediately">立即同步</string><string name="preferences_button_sync_cancel">取消同步</string><string name="preferences_dialog_change_account_title">當前帳號 %1$s</string><string name="preferences_dialog_change_account_warn_msg">如更換同步帳號，過去的帳號同步信息將被清空，再次切換的同時可能會造成數據重復</string><string name="preferences_dialog_select_account_title">同步便簽</string><string name="preferences_dialog_select_account_tips">請選擇google帳號，便簽將與該帳號的google task內容同步。</string><string name="preferences_toast_cannot_change_account">正在同步中，不能修改同步帳號</string><string name="preferences_toast_success_set_accout">同步帳號已設置為%1$s</string><string name="preferences_bg_random_appear_title">新建便籤背景顏色隨機</string><string name="button_delete">刪除</string><string name="call_record_folder_name">通話便籤</string><string name="hint_foler_name">請輸入名稱</string><string name="search_label">正在搜索便籤</string><string name="search_hint">搜索便籤</string><string name="search_setting_description">便籤中的文字</string><string name="search">便籤</string><string name="datetime_dialog_ok">設置</string><string name="datetime_dialog_cancel">取消</string><plurals name="search_results_title">
+    </string-array></file><file path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\values-zh-rTW\strings.xml" qualifiers="zh-rTW"><string name="app_name">便簽</string><string name="app_widget2x2">便簽2x2</string><string name="app_widget4x4">便簽4x4</string><string name="widget_havenot_content">沒有關聯內容，點擊新建便簽。</string><string name="widget_under_visit_mode">訪客模式下，便籤內容不可見</string><string name="notelist_string_info">...</string><string name="notelist_menu_new">新建便簽</string><string name="delete_remind_time_message">成功刪除提醒</string><string name="set_remind_time_message">創建提醒</string><string name="note_alert_expired">已過期</string><string name="format_date_ymd">yyyyMMdd</string><string name="format_datetime_mdhm">MM月dd日 kk:mm</string><string name="notealert_ok">知道了</string><string name="notealert_enter">查看</string><string name="note_link_tel">呼叫電話</string><string name="note_link_email">發送郵件</string><string name="note_link_web">浏覽網頁</string><string name="note_link_other">打開地圖</string><string name="format_move_notes_to_folder">已將所選 %1$d 便籤移到 %2$s 文件夾</string><string name="menu_create_folder">新建文件夾</string><string name="menu_export_text">導出文本</string><string name="menu_sync">同步</string><string name="menu_sync_cancel">取消同步</string><string name="menu_setting">設置</string><string name="menu_search">搜尋</string><string name="menu_delete">刪除</string><string name="menu_move">移動到文件夾</string><string name="menu_select_title">選中了 %d 項</string><string name="menu_select_none">沒有選中項，操作無效</string><string name="menu_select_all">全選</string><string name="menu_deselect_all">取消全選</string><string name="menu_font_size">文字大小</string><string name="menu_font_small">小</string><string name="menu_font_normal">正常</string><string name="menu_font_large">大</string><string name="menu_font_super">超大</string><string name="menu_list_mode">進入清單模式</string><string name="menu_normal_mode">退出清單模式</string><string name="menu_folder_view">查看文件夾</string><string name="menu_folder_delete">刪除文件夾</string><string name="menu_folder_change_name">修改文件夾名稱</string><string name="folder_exist">文件夾 %1$s 已存在，請重新命名</string><string name="menu_share">分享</string><string name="menu_send_to_desktop">發送到桌面</string><string name="menu_alert">提醒我</string><string name="menu_remove_remind">刪除提醒</string><string name="menu_title_select_folder">選擇文件夾</string><string name="menu_move_parent_folder">上一級文件夾</string><string name="info_note_enter_desktop">已添加到桌面</string><string name="alert_title_delete">刪除</string><string name="alert_message_delete_notes">确认要刪除所選的 %d 條便籤嗎?</string><string name="alert_message_delete_note">确认要删除該條便籤嗎?</string><string name="alert_message_delete_folder">確認刪除檔夾及所包含的便簽嗎？</string><string name="error_sdcard_unmounted">SD卡被佔用，不能操作</string><string name="error_sdcard_export">導出TXT時發生錯誤，請檢查SD卡</string><string name="error_note_not_exist">要查看的便籤不存在</string><string name="error_note_empty_for_clock">不能爲空便籤設置鬧鐘提醒</string><string name="error_note_empty_for_send_to_desktop">不能將空便籤發送到桌面</string><string name="success_sdcard_export">導出成功</string><string name="failed_sdcard_export">導出失敗</string><string name="format_exported_file_location">已將文本文件(%1$s)導出至SD(%2$s)目錄</string><string name="ticker_syncing">同步便簽...</string><string name="ticker_success">同步成功</string><string name="ticker_fail">同步失敗</string><string name="ticker_cancel">同步已取消</string><string name="success_sync_account">與%1$s同步成功</string><string name="error_sync_network">同步失敗，請檢查網絡和帳號設置</string><string name="error_sync_internal">同步失敗，發生內部錯誤</string><string name="error_sync_cancelled">同步已取消</string><string name="sync_progress_login">登陸%1$s...</string><string name="sync_progress_init_list">正在獲取服務器便籤列表...</string><string name="sync_progress_syncing">正在同步本地便籤...</string><string name="preferences_title">設置</string><string name="preferences_account_title">同步賬號</string><string name="preferences_account_summary">与google task同步便簽記錄</string><string name="preferences_last_sync_time">上次同步于 %1$s</string><string name="preferences_add_account">添加賬號</string><string name="preferences_menu_change_account">更換賬號</string><string name="preferences_menu_remove_account">刪除賬號</string><string name="preferences_menu_cancel">取消</string><string name="preferences_button_sync_immediately">立即同步</string><string name="preferences_button_sync_cancel">取消同步</string><string name="preferences_dialog_change_account_title">當前帳號 %1$s</string><string name="preferences_dialog_change_account_warn_msg">如更換同步帳號，過去的帳號同步信息將被清空，再次切換的同時可能會造成數據重復</string><string name="preferences_dialog_select_account_title">同步便簽</string><string name="preferences_dialog_select_account_tips">請選擇google帳號，便簽將與該帳號的google task內容同步。</string><string name="preferences_toast_cannot_change_account">正在同步中，不能修改同步帳號</string><string name="preferences_toast_success_set_accout">同步帳號已設置為%1$s</string><string name="preferences_bg_random_appear_title">新建便籤背景顏色隨機</string><string name="button_delete">刪除</string><string name="call_record_folder_name">通話便籤</string><string name="hint_foler_name">請輸入名稱</string><string name="search_label">正在搜索便籤</string><string name="search_hint">搜索便籤</string><string name="search_setting_description">便籤中的文字</string><string name="search">便籤</string><string name="datetime_dialog_ok">設置</string><string name="datetime_dialog_cancel">取消</string><plurals name="search_results_title">
         <item quantity="other"><ns1:g id="NUMBER">%1$s</ns1:g> 條符合”<ns1:g id="SEARCH">%2$s</ns1:g>“的搜尋結果</item>
-    </plurals></file><file name="preferences" path="D:\ZIP\Notes-master1\app\src\main\res\xml\preferences.xml" qualifiers="" type="xml"/><file name="searchable" path="D:\ZIP\Notes-master1\app\src\main\res\xml\searchable.xml" qualifiers="" type="xml"/><file name="widget_2x_info" path="D:\ZIP\Notes-master1\app\src\main\res\xml\widget_2x_info.xml" qualifiers="" type="xml"/><file name="widget_4x_info" path="D:\ZIP\Notes-master1\app\src\main\res\xml\widget_4x_info.xml" qualifiers="" type="xml"/></source><source path="D:\ZIP\Notes-master1\app\build\generated\res\rs\debug"/><source path="D:\ZIP\Notes-master1\app\build\generated\res\resValues\debug"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="debug$Generated" generated="true" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\ZIP\Notes-master1\app\src\debug\res"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="debug" generated-set="debug$Generated" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\ZIP\Notes-master1\app\src\debug\res"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="generated$Generated" generated="true" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"/><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="generated" generated-set="generated$Generated" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"/><mergedItems/></merger>
\ No newline at end of file
+    </plurals></file><file name="preferences" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\xml\preferences.xml" qualifiers="" type="xml"/><file name="searchable" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\xml\searchable.xml" qualifiers="" type="xml"/><file name="widget_2x_info" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\xml\widget_2x_info.xml" qualifiers="" type="xml"/><file name="widget_4x_info" path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res\xml\widget_4x_info.xml" qualifiers="" type="xml"/></source><source path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\build\generated\res\rs\debug"/><source path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\build\generated\res\resValues\debug"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="debug$Generated" generated="true" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\debug\res"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="debug" generated-set="debug$Generated" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\debug\res"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="generated$Generated" generated="true" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"/><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="generated" generated-set="generated$Generated" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"/><mergedItems/></merger>
\ No newline at end of file
diff --git a/src/Notes-master1/app/build/intermediates/incremental/mergeDebugAssets/merger.xml b/src/Notes-master1/app/build/intermediates/incremental/mergeDebugAssets/merger.xml
index a8b31e9..8075e68 100644
--- a/src/Notes-master1/app/build/intermediates/incremental/mergeDebugAssets/merger.xml
+++ b/src/Notes-master1/app/build/intermediates/incremental/mergeDebugAssets/merger.xml
@@ -1,2 +1,2 @@
 <?xml version="1.0" encoding="utf-8"?>
-<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\ZIP\Notes-master1\app\src\main\assets"/><source path="D:\ZIP\Notes-master1\app\build\intermediates\shader_assets\debug\out"/></dataSet><dataSet config="debug" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\ZIP\Notes-master1\app\src\debug\assets"/></dataSet></merger>
\ No newline at end of file
+<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\assets"/><source path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\build\intermediates\shader_assets\debug\out"/></dataSet><dataSet config="debug" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\debug\assets"/></dataSet></merger>
\ No newline at end of file
diff --git a/src/Notes-master1/app/build/intermediates/incremental/mergeDebugJniLibFolders/merger.xml b/src/Notes-master1/app/build/intermediates/incremental/mergeDebugJniLibFolders/merger.xml
index 005f194..bf1781c 100644
--- a/src/Notes-master1/app/build/intermediates/incremental/mergeDebugJniLibFolders/merger.xml
+++ b/src/Notes-master1/app/build/intermediates/incremental/mergeDebugJniLibFolders/merger.xml
@@ -1,2 +1,2 @@
 <?xml version="1.0" encoding="utf-8"?>
-<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\ZIP\Notes-master1\app\src\main\jniLibs"/></dataSet><dataSet config="debug" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\ZIP\Notes-master1\app\src\debug\jniLibs"/></dataSet></merger>
\ No newline at end of file
+<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\jniLibs"/></dataSet><dataSet config="debug" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\debug\jniLibs"/></dataSet></merger>
\ No newline at end of file
diff --git a/src/Notes-master1/app/build/intermediates/incremental/mergeDebugShaders/merger.xml b/src/Notes-master1/app/build/intermediates/incremental/mergeDebugShaders/merger.xml
index 6e816be..b685066 100644
--- a/src/Notes-master1/app/build/intermediates/incremental/mergeDebugShaders/merger.xml
+++ b/src/Notes-master1/app/build/intermediates/incremental/mergeDebugShaders/merger.xml
@@ -1,2 +1,2 @@
 <?xml version="1.0" encoding="utf-8"?>
-<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\ZIP\Notes-master1\app\src\main\shaders"/></dataSet><dataSet config="debug" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\ZIP\Notes-master1\app\src\debug\shaders"/></dataSet></merger>
\ No newline at end of file
+<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\shaders"/></dataSet><dataSet config="debug" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\debug\shaders"/></dataSet></merger>
\ No newline at end of file
diff --git a/src/Notes-master1/app/build/intermediates/incremental/packageDebug/tmp/debug/dex-renamer-state.txt b/src/Notes-master1/app/build/intermediates/incremental/packageDebug/tmp/debug/dex-renamer-state.txt
index 9d8fc27..5d91bd0 100644
--- a/src/Notes-master1/app/build/intermediates/incremental/packageDebug/tmp/debug/dex-renamer-state.txt
+++ b/src/Notes-master1/app/build/intermediates/incremental/packageDebug/tmp/debug/dex-renamer-state.txt
@@ -1,4 +1,4 @@
-#Fri Mar 24 15:01:41 CST 2023
-base.0=D\:\\ZIP\\Notes-master1\\app\\build\\intermediates\\dex\\debug\\mergeDexDebug\\classes.dex
+#Fri Apr 14 16:52:00 CST 2023
+base.0=D\:\\gitProject\\CJR_DXW_CYW\\src\\Notes-master1\\app\\build\\intermediates\\dex\\debug\\mergeDexDebug\\classes.dex
 renamed.0=classes.dex
 path.0=classes.dex
diff --git a/src/Notes-master1/app/build/intermediates/incremental/packageDebug/tmp/debug/zip-cache/androidResources b/src/Notes-master1/app/build/intermediates/incremental/packageDebug/tmp/debug/zip-cache/androidResources
index 44d33ab..22c8c43 100644
Binary files a/src/Notes-master1/app/build/intermediates/incremental/packageDebug/tmp/debug/zip-cache/androidResources and b/src/Notes-master1/app/build/intermediates/incremental/packageDebug/tmp/debug/zip-cache/androidResources differ
diff --git a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Contact.class b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Contact.class
index 6e28b50..89bf491 100644
Binary files a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Contact.class and b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Contact.class differ
diff --git a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Notes$CallNote.class b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Notes$CallNote.class
index 534af6e..b763545 100644
Binary files a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Notes$CallNote.class and b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Notes$CallNote.class differ
diff --git a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Notes$DataConstants.class b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Notes$DataConstants.class
index 0d9547b..9a1bf33 100644
Binary files a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Notes$DataConstants.class and b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Notes$DataConstants.class differ
diff --git a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Notes$TextNote.class b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Notes$TextNote.class
index a78b61a..ac497c9 100644
Binary files a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Notes$TextNote.class and b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Notes$TextNote.class differ
diff --git a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Notes.class b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Notes.class
index bdc56b1..ef1f16b 100644
Binary files a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Notes.class and b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/Notes.class differ
diff --git a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/NotesDatabaseHelper.class b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/NotesDatabaseHelper.class
index 1f3ea0b..2cd5c4a 100644
Binary files a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/NotesDatabaseHelper.class and b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/NotesDatabaseHelper.class differ
diff --git a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/NotesProvider.class b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/NotesProvider.class
index 976265d..0101cfc 100644
Binary files a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/NotesProvider.class and b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/data/NotesProvider.class differ
diff --git a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/model/Note$NoteData.class b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/model/Note$NoteData.class
index 30318fc..54b4705 100644
Binary files a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/model/Note$NoteData.class and b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/model/Note$NoteData.class differ
diff --git a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/model/Note.class b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/model/Note.class
index bbbea2e..db04c03 100644
Binary files a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/model/Note.class and b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/model/Note.class differ
diff --git a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/tool/BackupUtils$TextExport.class b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/tool/BackupUtils$TextExport.class
index bfb671c..3f99916 100644
Binary files a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/tool/BackupUtils$TextExport.class and b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/tool/BackupUtils$TextExport.class differ
diff --git a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/tool/BackupUtils.class b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/tool/BackupUtils.class
index ed4ac8e..6a14b7d 100644
Binary files a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/tool/BackupUtils.class and b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/tool/BackupUtils.class differ
diff --git a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/tool/DataUtils.class b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/tool/DataUtils.class
index fc1d9a2..7fe7a78 100644
Binary files a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/tool/DataUtils.class and b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/tool/DataUtils.class differ
diff --git a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/tool/ResourceParser$TextAppearanceResources.class b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/tool/ResourceParser$TextAppearanceResources.class
index 1714fc2..bc6e463 100644
Binary files a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/tool/ResourceParser$TextAppearanceResources.class and b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/tool/ResourceParser$TextAppearanceResources.class differ
diff --git a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/widget/NoteWidgetProvider.class b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/widget/NoteWidgetProvider.class
index fabc84f..3bb4970 100644
Binary files a/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/widget/NoteWidgetProvider.class and b/src/Notes-master1/app/build/intermediates/javac/debug/classes/net/micode/notes/widget/NoteWidgetProvider.class differ
diff --git a/src/Notes-master1/app/build/intermediates/manifest_merge_blame_file/debug/manifest-merger-blame-debug-report.txt b/src/Notes-master1/app/build/intermediates/manifest_merge_blame_file/debug/manifest-merger-blame-debug-report.txt
index d21b3ec..7b94063 100644
--- a/src/Notes-master1/app/build/intermediates/manifest_merge_blame_file/debug/manifest-merger-blame-debug-report.txt
+++ b/src/Notes-master1/app/build/intermediates/manifest_merge_blame_file/debug/manifest-merger-blame-debug-report.txt
@@ -20,254 +20,254 @@
 20    android:versionName="0.1" >
 21
 22    <uses-sdk
-22-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:23:5-44
+22-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:23:5-44
 23        android:minSdkVersion="14"
-23-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:23:15-41
+23-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:23:15-41
 24        android:targetSdkVersion="14" />
-24-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:23:5-44
+24-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:23:5-44
 25
 26    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
-26-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:25:5-81
-26-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:25:22-78
+26-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:25:5-81
+26-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:25:22-78
 27    <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
-27-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:26:5-88
-27-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:26:22-85
+27-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:26:5-88
+27-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:26:22-85
 28    <uses-permission android:name="android.permission.INTERNET" />
-28-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:27:5-67
-28-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:27:22-64
+28-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:27:5-67
+28-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:27:22-64
 29    <uses-permission android:name="android.permission.READ_CONTACTS" />
-29-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:28:5-72
-29-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:28:22-69
+29-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:28:5-72
+29-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:28:22-69
 30    <uses-permission android:name="android.permission.MANAGE_ACCOUNTS" />
-30-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:29:5-74
-30-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:29:22-71
+30-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:29:5-74
+30-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:29:22-71
 31    <uses-permission android:name="android.permission.AUTHENTICATE_ACCOUNTS" />
-31-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:30:5-80
-31-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:30:22-77
+31-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:30:5-80
+31-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:30:22-77
 32    <uses-permission android:name="android.permission.GET_ACCOUNTS" />
-32-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:31:5-71
-32-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:31:22-68
+32-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:31:5-71
+32-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:31:22-68
 33    <uses-permission android:name="android.permission.USE_CREDENTIALS" />
-33-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:32:5-74
-33-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:32:22-71
+33-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:32:5-74
+33-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:32:22-71
 34    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
-34-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:33:5-81
-34-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:33:22-78
+34-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:33:5-81
+34-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:33:22-78
 35
 36    <application
-36-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:35:5-149:19
+36-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:35:5-150:19
 37        android:debuggable="true"
 38        android:icon="@drawable/icon_app"
-38-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:36:9-42
+38-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:36:9-42
 39        android:label="@string/app_name"
-39-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:37:9-41
+39-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:37:9-41
 40        android:testOnly="true" >
 41        <activity
-41-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:38:9-51:20
+41-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:38:9-52:20
 42            android:name="net.micode.notes.ui.NotesListActivity"
-42-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:39:13-49
+42-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:39:13-49
 43            android:configChanges="keyboardHidden|orientation|screenSize"
-43-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:40:13-74
+43-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:40:13-74
 44            android:label="@string/app_name"
-44-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:41:13-45
+44-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:41:13-45
 45            android:launchMode="singleTop"
-45-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:42:13-43
+45-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:42:13-43
 46            android:theme="@style/NoteTheme"
-46-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:43:13-45
-47            android:uiOptions="splitActionBarWhenNarrow"
-47-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:44:13-57
-48            android:windowSoftInputMode="adjustPan" >
-48-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:45:13-52
-49            <intent-filter>
-49-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:47:13-50:29
-50                <action android:name="android.intent.action.MAIN" />
-50-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:48:17-69
-50-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:48:25-66
-51
-52                <category android:name="android.intent.category.LAUNCHER" />
-52-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:49:17-77
-52-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:49:27-74
-53            </intent-filter>
-54        </activity>
-55        <activity
-55-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:53:9-81:20
-56            android:name="net.micode.notes.ui.NoteEditActivity"
-56-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:54:13-48
-57            android:configChanges="keyboardHidden|orientation|screenSize"
-57-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:55:13-74
-58            android:launchMode="singleTop"
-58-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:56:13-43
-59            android:theme="@style/NoteTheme" >
-59-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:57:13-45
-60            <intent-filter>
-60-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:59:13-64:29
-61                <action android:name="android.intent.action.VIEW" />
-61-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:60:17-69
-61-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:60:25-66
-62
-63                <category android:name="android.intent.category.DEFAULT" />
-63-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:61:17-76
-63-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:61:27-73
-64
-65                <data android:mimeType="vnd.android.cursor.item/text_note" />
-65-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:62:17-78
-65-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:62:23-75
-66                <data android:mimeType="vnd.android.cursor.item/call_note" />
-66-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:62:17-78
-66-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:62:23-75
-67            </intent-filter>
-68            <intent-filter>
-68-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:66:13-71:29
-69                <action android:name="android.intent.action.INSERT_OR_EDIT" />
-69-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:67:17-79
-69-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:67:25-76
-70
-71                <category android:name="android.intent.category.DEFAULT" />
-71-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:61:17-76
-71-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:61:27-73
-72
-73                <data android:mimeType="vnd.android.cursor.item/text_note" />
-73-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:62:17-78
-73-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:62:23-75
-74                <data android:mimeType="vnd.android.cursor.item/call_note" />
-74-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:62:17-78
-74-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:62:23-75
-75            </intent-filter>
-76            <intent-filter>
-76-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:73:13-76:29
-77                <action android:name="android.intent.action.SEARCH" />
-77-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:74:17-71
-77-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:74:25-68
-78
-79                <category android:name="android.intent.category.DEFAULT" />
-79-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:61:17-76
-79-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:61:27-73
-80            </intent-filter>
-81
-82            <meta-data
-82-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:78:13-80:54
-83                android:name="android.app.searchable"
-83-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:79:17-54
-84                android:resource="@xml/searchable" />
-84-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:80:17-51
-85        </activity>
-86
-87        <provider
-87-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:83:9-86:43
-88            android:name="net.micode.notes.data.NotesProvider"
-88-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:84:13-63
-89            android:authorities="micode_notes"
-89-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:85:13-47
-90            android:multiprocess="true" />
-90-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:86:13-40
-91
-92        <receiver
-92-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:88:9-100:20
-93            android:name="net.micode.notes.widget.NoteWidgetProvider_2x"
-93-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:89:13-57
-94            android:label="@string/app_widget2x2" >
-94-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:90:13-50
-95            <intent-filter>
-95-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:91:13-95:29
-96                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
-96-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:92:17-84
-96-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:92:25-81
-97                <action android:name="android.appwidget.action.APPWIDGET_DELETED" />
-97-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:93:17-85
-97-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:93:25-82
-98                <action android:name="android.intent.action.PRIVACY_MODE_CHANGED" />
-98-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:94:17-85
-98-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:94:25-82
-99            </intent-filter>
-100
-101            <meta-data
-101-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:97:13-99:58
-102                android:name="android.appwidget.provider"
-102-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:98:17-58
-103                android:resource="@xml/widget_2x_info" />
-103-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:99:17-55
-104        </receiver>
-105        <receiver
-105-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:101:9-114:20
-106            android:name="net.micode.notes.widget.NoteWidgetProvider_4x"
-106-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:102:13-57
-107            android:label="@string/app_widget4x4" >
-107-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:103:13-50
-108            <intent-filter>
-108-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:91:13-95:29
-109                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
-109-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:92:17-84
-109-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:92:25-81
-110                <action android:name="android.appwidget.action.APPWIDGET_DELETED" />
-110-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:93:17-85
-110-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:93:25-82
-111                <action android:name="android.intent.action.PRIVACY_MODE_CHANGED" />
-111-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:94:17-85
-111-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:94:25-82
-112            </intent-filter>
-113
-114            <meta-data
-114-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:97:13-99:58
-115                android:name="android.appwidget.provider"
-115-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:98:17-58
-116                android:resource="@xml/widget_4x_info" />
-116-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:99:17-55
-117        </receiver>
-118        <receiver android:name="net.micode.notes.ui.AlarmInitReceiver" >
-118-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:116:9-120:20
-118-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:116:19-55
-119            <intent-filter>
-119-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:117:13-119:29
-120                <action android:name="android.intent.action.BOOT_COMPLETED" />
-120-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:118:17-79
-120-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:118:25-76
-121            </intent-filter>
-122        </receiver>
-123        <receiver
-123-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:122:9-125:20
-124            android:name="net.micode.notes.ui.AlarmReceiver"
-124-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:123:13-61
-125            android:process=":remote" >
-125-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:124:13-38
-126        </receiver>
-127
-128        <activity
-128-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:127:9-132:20
-129            android:name="net.micode.notes.ui.AlarmAlertActivity"
-129-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:128:13-50
-130            android:label="@string/app_name"
-130-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:129:13-45
-131            android:launchMode="singleInstance"
-131-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:130:13-48
-132            android:theme="@android:style/Theme.Holo.Wallpaper.NoTitleBar" >
-132-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:131:13-75
-133        </activity>
-134        <activity
-134-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:134:9-139:20
-135            android:name="net.micode.notes.ui.NotesPreferenceActivity"
-135-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:135:13-71
-136            android:label="@string/preferences_title"
-136-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:136:13-54
-137            android:launchMode="singleTop"
-137-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:137:13-43
-138            android:theme="@android:style/Theme.Holo.Light" >
-138-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:138:13-60
-139        </activity>
-140
-141        <service
-141-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:141:9-144:19
-142            android:name="net.micode.notes.gtask.remote.GTaskSyncService"
-142-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:142:13-74
-143            android:exported="false" >
-143-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:143:13-37
-144        </service>
-145
-146        <meta-data
-146-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:146:9-148:52
-147            android:name="android.app.default_searchable"
-147-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:147:13-58
-148            android:value=".ui.NoteEditActivity" />
-148-->D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:148:13-49
-149    </application>
-150
-151</manifest>
+46-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:43:13-45
+47            android:windowSoftInputMode="adjustPan" >
+47-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:45:13-52
+48
+49            <!-- android:uiOptions="splitActionBarWhenNarrow" -->
+50            <intent-filter>
+50-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:48:13-51:29
+51                <action android:name="android.intent.action.MAIN" />
+51-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:49:17-69
+51-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:49:25-66
+52
+53                <category android:name="android.intent.category.LAUNCHER" />
+53-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:50:17-77
+53-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:50:27-74
+54            </intent-filter>
+55        </activity>
+56        <activity
+56-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:54:9-82:20
+57            android:name="net.micode.notes.ui.NoteEditActivity"
+57-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:55:13-48
+58            android:configChanges="keyboardHidden|orientation|screenSize"
+58-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:56:13-74
+59            android:launchMode="singleTop"
+59-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:57:13-43
+60            android:theme="@style/NoteTheme" >
+60-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:58:13-45
+61            <intent-filter>
+61-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:60:13-65:29
+62                <action android:name="android.intent.action.VIEW" />
+62-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:61:17-69
+62-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:61:25-66
+63
+64                <category android:name="android.intent.category.DEFAULT" />
+64-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:62:17-76
+64-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:62:27-73
+65
+66                <data android:mimeType="vnd.android.cursor.item/text_note" />
+66-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:63:17-78
+66-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:63:23-75
+67                <data android:mimeType="vnd.android.cursor.item/call_note" />
+67-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:63:17-78
+67-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:63:23-75
+68            </intent-filter>
+69            <intent-filter>
+69-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:67:13-72:29
+70                <action android:name="android.intent.action.INSERT_OR_EDIT" />
+70-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:68:17-79
+70-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:68:25-76
+71
+72                <category android:name="android.intent.category.DEFAULT" />
+72-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:62:17-76
+72-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:62:27-73
+73
+74                <data android:mimeType="vnd.android.cursor.item/text_note" />
+74-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:63:17-78
+74-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:63:23-75
+75                <data android:mimeType="vnd.android.cursor.item/call_note" />
+75-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:63:17-78
+75-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:63:23-75
+76            </intent-filter>
+77            <intent-filter>
+77-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:74:13-77:29
+78                <action android:name="android.intent.action.SEARCH" />
+78-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:75:17-71
+78-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:75:25-68
+79
+80                <category android:name="android.intent.category.DEFAULT" />
+80-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:62:17-76
+80-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:62:27-73
+81            </intent-filter>
+82
+83            <meta-data
+83-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:79:13-81:54
+84                android:name="android.app.searchable"
+84-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:80:17-54
+85                android:resource="@xml/searchable" />
+85-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:81:17-51
+86        </activity>
+87
+88        <provider
+88-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:84:9-87:43
+89            android:name="net.micode.notes.data.NotesProvider"
+89-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:85:13-63
+90            android:authorities="micode_notes"
+90-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:86:13-47
+91            android:multiprocess="true" />
+91-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:87:13-40
+92
+93        <receiver
+93-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:89:9-101:20
+94            android:name="net.micode.notes.widget.NoteWidgetProvider_2x"
+94-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:90:13-57
+95            android:label="@string/app_widget2x2" >
+95-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:91:13-50
+96            <intent-filter>
+96-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:92:13-96:29
+97                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
+97-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:93:17-84
+97-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:93:25-81
+98                <action android:name="android.appwidget.action.APPWIDGET_DELETED" />
+98-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:94:17-85
+98-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:94:25-82
+99                <action android:name="android.intent.action.PRIVACY_MODE_CHANGED" />
+99-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:95:17-85
+99-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:95:25-82
+100            </intent-filter>
+101
+102            <meta-data
+102-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:98:13-100:58
+103                android:name="android.appwidget.provider"
+103-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:99:17-58
+104                android:resource="@xml/widget_2x_info" />
+104-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:100:17-55
+105        </receiver>
+106        <receiver
+106-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:102:9-115:20
+107            android:name="net.micode.notes.widget.NoteWidgetProvider_4x"
+107-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:103:13-57
+108            android:label="@string/app_widget4x4" >
+108-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:104:13-50
+109            <intent-filter>
+109-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:92:13-96:29
+110                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
+110-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:93:17-84
+110-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:93:25-81
+111                <action android:name="android.appwidget.action.APPWIDGET_DELETED" />
+111-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:94:17-85
+111-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:94:25-82
+112                <action android:name="android.intent.action.PRIVACY_MODE_CHANGED" />
+112-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:95:17-85
+112-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:95:25-82
+113            </intent-filter>
+114
+115            <meta-data
+115-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:98:13-100:58
+116                android:name="android.appwidget.provider"
+116-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:99:17-58
+117                android:resource="@xml/widget_4x_info" />
+117-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:100:17-55
+118        </receiver>
+119        <receiver android:name="net.micode.notes.ui.AlarmInitReceiver" >
+119-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:117:9-121:20
+119-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:117:19-55
+120            <intent-filter>
+120-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:118:13-120:29
+121                <action android:name="android.intent.action.BOOT_COMPLETED" />
+121-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:119:17-79
+121-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:119:25-76
+122            </intent-filter>
+123        </receiver>
+124        <receiver
+124-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:123:9-126:20
+125            android:name="net.micode.notes.ui.AlarmReceiver"
+125-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:124:13-61
+126            android:process=":remote" >
+126-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:125:13-38
+127        </receiver>
+128
+129        <activity
+129-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:128:9-133:20
+130            android:name="net.micode.notes.ui.AlarmAlertActivity"
+130-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:129:13-50
+131            android:label="@string/app_name"
+131-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:130:13-45
+132            android:launchMode="singleInstance"
+132-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:131:13-48
+133            android:theme="@android:style/Theme.Holo.Wallpaper.NoTitleBar" >
+133-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:132:13-75
+134        </activity>
+135        <activity
+135-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:135:9-140:20
+136            android:name="net.micode.notes.ui.NotesPreferenceActivity"
+136-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:136:13-71
+137            android:label="@string/preferences_title"
+137-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:137:13-54
+138            android:launchMode="singleTop"
+138-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:138:13-43
+139            android:theme="@android:style/Theme.Holo.Light" >
+139-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:139:13-60
+140        </activity>
+141
+142        <service
+142-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:142:9-145:19
+143            android:name="net.micode.notes.gtask.remote.GTaskSyncService"
+143-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:143:13-74
+144            android:exported="false" >
+144-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:144:13-37
+145        </service>
+146
+147        <meta-data
+147-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:147:9-149:52
+148            android:name="android.app.default_searchable"
+148-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:148:13-58
+149            android:value=".ui.NoteEditActivity" />
+149-->D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:149:13-49
+150    </application>
+151
+152</manifest>
diff --git a/src/Notes-master1/app/build/intermediates/merged_manifest/debug/AndroidManifest.xml b/src/Notes-master1/app/build/intermediates/merged_manifest/debug/AndroidManifest.xml
index f237bf5..bb3eb72 100644
--- a/src/Notes-master1/app/build/intermediates/merged_manifest/debug/AndroidManifest.xml
+++ b/src/Notes-master1/app/build/intermediates/merged_manifest/debug/AndroidManifest.xml
@@ -44,8 +44,9 @@
             android:label="@string/app_name"
             android:launchMode="singleTop"
             android:theme="@style/NoteTheme"
-            android:uiOptions="splitActionBarWhenNarrow"
             android:windowSoftInputMode="adjustPan" >
+
+            <!-- android:uiOptions="splitActionBarWhenNarrow" -->
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
diff --git a/src/Notes-master1/app/build/intermediates/merged_manifests/debug/AndroidManifest.xml b/src/Notes-master1/app/build/intermediates/merged_manifests/debug/AndroidManifest.xml
index f237bf5..bb3eb72 100644
--- a/src/Notes-master1/app/build/intermediates/merged_manifests/debug/AndroidManifest.xml
+++ b/src/Notes-master1/app/build/intermediates/merged_manifests/debug/AndroidManifest.xml
@@ -44,8 +44,9 @@
             android:label="@string/app_name"
             android:launchMode="singleTop"
             android:theme="@style/NoteTheme"
-            android:uiOptions="splitActionBarWhenNarrow"
             android:windowSoftInputMode="adjustPan" >
+
+            <!-- android:uiOptions="splitActionBarWhenNarrow" -->
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
diff --git a/src/Notes-master1/app/build/intermediates/merged_res/debug/values_values.arsc.flat b/src/Notes-master1/app/build/intermediates/merged_res/debug/values_values.arsc.flat
index ea0ebfc..c0e5804 100644
Binary files a/src/Notes-master1/app/build/intermediates/merged_res/debug/values_values.arsc.flat and b/src/Notes-master1/app/build/intermediates/merged_res/debug/values_values.arsc.flat differ
diff --git a/src/Notes-master1/app/build/intermediates/merged_res_blame_folder/debug/out/multi-v2/debug.json b/src/Notes-master1/app/build/intermediates/merged_res_blame_folder/debug/out/multi-v2/debug.json
index 5bc9678..9dcfc6b 100644
--- a/src/Notes-master1/app/build/intermediates/merged_res_blame_folder/debug/out/multi-v2/debug.json
+++ b/src/Notes-master1/app/build/intermediates/merged_res_blame_folder/debug/out/multi-v2/debug.json
@@ -1,10 +1,29 @@
 {
     "logs": [
         {
-            "outputFile": "net.micode.notes.app-merged_res-5:/values-zh-rCN_values-zh-rCN.arsc.flat",
+            "outputFile": "C:\\Users\\86147\\.gradle\\daemon\\7.5\\net.micode.notes.app-merged_res-5:\\values-zh-rTW_values-zh-rTW.arsc.flat",
             "map": [
                 {
-                    "source": "D:\\ZIP\\Notes-master1\\app\\src\\main\\res\\values-zh-rCN\\arrays.xml",
+                    "source": "D:\\gitProject\\CJR_DXW_CYW\\src\\Notes-master1\\app\\src\\main\\res\\values-zh-rTW\\strings.xml",
+                    "from": {
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diff --git a/src/Notes-master1/app/build/intermediates/merged_res_blame_folder/debug/out/multi-v2/values-zh-rCN.json b/src/Notes-master1/app/build/intermediates/merged_res_blame_folder/debug/out/multi-v2/values-zh-rCN.json
index e791c2e..e164377 100644
--- a/src/Notes-master1/app/build/intermediates/merged_res_blame_folder/debug/out/multi-v2/values-zh-rCN.json
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diff --git a/src/Notes-master1/app/build/intermediates/merged_res_blame_folder/debug/out/multi-v2/values-zh-rTW.json b/src/Notes-master1/app/build/intermediates/merged_res_blame_folder/debug/out/multi-v2/values-zh-rTW.json
index 55e6a32..8047a2d 100644
--- a/src/Notes-master1/app/build/intermediates/merged_res_blame_folder/debug/out/multi-v2/values-zh-rTW.json
+++ b/src/Notes-master1/app/build/intermediates/merged_res_blame_folder/debug/out/multi-v2/values-zh-rTW.json
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+                },
+                {
+                    "source": "D:\\gitProject\\CJR_DXW_CYW\\src\\Notes-master1\\app\\src\\main\\res\\values\\dimens.xml",
+                    "from": {
+                        "startLines": "19,20,21,22,18",
+                        "startColumns": "4,4,4,4,4",
+                        "startOffsets": "764,816,869,922,712",
+                        "endColumns": "51,52,52,51,51",
+                        "endOffsets": "811,864,917,969,759"
+                    },
+                    "to": {
+                        "startLines": "13,14,15,16,17",
+                        "startColumns": "4,4,4,4,4",
+                        "startOffsets": "477,529,582,635,687",
+                        "endColumns": "51,52,52,51,51",
+                        "endOffsets": "524,577,630,682,734"
+                    }
                 }
             ]
         }
diff --git a/src/Notes-master1/app/build/intermediates/packaged_manifests/debug/AndroidManifest.xml b/src/Notes-master1/app/build/intermediates/packaged_manifests/debug/AndroidManifest.xml
index f237bf5..bb3eb72 100644
--- a/src/Notes-master1/app/build/intermediates/packaged_manifests/debug/AndroidManifest.xml
+++ b/src/Notes-master1/app/build/intermediates/packaged_manifests/debug/AndroidManifest.xml
@@ -44,8 +44,9 @@
             android:label="@string/app_name"
             android:launchMode="singleTop"
             android:theme="@style/NoteTheme"
-            android:uiOptions="splitActionBarWhenNarrow"
             android:windowSoftInputMode="adjustPan" >
+
+            <!-- android:uiOptions="splitActionBarWhenNarrow" -->
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
diff --git a/src/Notes-master1/app/build/intermediates/processed_res/debug/out/resources-debug.ap_ b/src/Notes-master1/app/build/intermediates/processed_res/debug/out/resources-debug.ap_
index c31ed29..76f607d 100644
Binary files a/src/Notes-master1/app/build/intermediates/processed_res/debug/out/resources-debug.ap_ and b/src/Notes-master1/app/build/intermediates/processed_res/debug/out/resources-debug.ap_ differ
diff --git a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Contact.dex b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Contact.dex
index 9fa0620..e8f3aac 100644
Binary files a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Contact.dex and b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Contact.dex differ
diff --git a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Notes$CallNote.dex b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Notes$CallNote.dex
index d8ec2c4..d828cec 100644
Binary files a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Notes$CallNote.dex and b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Notes$CallNote.dex differ
diff --git a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Notes$DataConstants.dex b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Notes$DataConstants.dex
index eceecda..48a2224 100644
Binary files a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Notes$DataConstants.dex and b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Notes$DataConstants.dex differ
diff --git a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Notes$TextNote.dex b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Notes$TextNote.dex
index 2f5ecfb..e257f1a 100644
Binary files a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Notes$TextNote.dex and b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Notes$TextNote.dex differ
diff --git a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Notes.dex b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Notes.dex
index e9e44c0..99b9005 100644
Binary files a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Notes.dex and b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/Notes.dex differ
diff --git a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/NotesDatabaseHelper.dex b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/NotesDatabaseHelper.dex
index 21ea4c4..f094058 100644
Binary files a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/NotesDatabaseHelper.dex and b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/NotesDatabaseHelper.dex differ
diff --git a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/NotesProvider.dex b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/NotesProvider.dex
index 7adac34..c67c505 100644
Binary files a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/NotesProvider.dex and b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/data/NotesProvider.dex differ
diff --git a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/model/Note$NoteData.dex b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/model/Note$NoteData.dex
index 0139b42..7e427b7 100644
Binary files a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/model/Note$NoteData.dex and b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/model/Note$NoteData.dex differ
diff --git a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/model/Note.dex b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/model/Note.dex
index 452e2d0..e0c80a0 100644
Binary files a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/model/Note.dex and b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/model/Note.dex differ
diff --git a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/tool/BackupUtils$TextExport.dex b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/tool/BackupUtils$TextExport.dex
index 2b85968..13bbdf9 100644
Binary files a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/tool/BackupUtils$TextExport.dex and b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/tool/BackupUtils$TextExport.dex differ
diff --git a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/tool/BackupUtils.dex b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/tool/BackupUtils.dex
index 7f9fa34..b270127 100644
Binary files a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/tool/BackupUtils.dex and b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/tool/BackupUtils.dex differ
diff --git a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/tool/DataUtils.dex b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/tool/DataUtils.dex
index 5ed9619..1155d25 100644
Binary files a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/tool/DataUtils.dex and b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/tool/DataUtils.dex differ
diff --git a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/tool/ResourceParser$TextAppearanceResources.dex b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/tool/ResourceParser$TextAppearanceResources.dex
index ae6e2a4..537fabc 100644
Binary files a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/tool/ResourceParser$TextAppearanceResources.dex and b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/tool/ResourceParser$TextAppearanceResources.dex differ
diff --git a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/widget/NoteWidgetProvider.dex b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/widget/NoteWidgetProvider.dex
index b1c5096..0d58b07 100644
Binary files a/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/widget/NoteWidgetProvider.dex and b/src/Notes-master1/app/build/intermediates/project_dex_archive/debug/out/net/micode/notes/widget/NoteWidgetProvider.dex differ
diff --git a/src/Notes-master1/app/build/intermediates/source_set_path_map/debug/file-map.txt b/src/Notes-master1/app/build/intermediates/source_set_path_map/debug/file-map.txt
index 8d0ae0c..6df606a 100644
--- a/src/Notes-master1/app/build/intermediates/source_set_path_map/debug/file-map.txt
+++ b/src/Notes-master1/app/build/intermediates/source_set_path_map/debug/file-map.txt
@@ -1,8 +1,8 @@
-net.micode.notes.app-pngs-0 D:\ZIP\Notes-master1\app\build\generated\res\pngs\debug
-net.micode.notes.app-resValues-1 D:\ZIP\Notes-master1\app\build\generated\res\resValues\debug
-net.micode.notes.app-rs-2 D:\ZIP\Notes-master1\app\build\generated\res\rs\debug
-net.micode.notes.app-mergeDebugResources-3 D:\ZIP\Notes-master1\app\build\intermediates\incremental\debug\mergeDebugResources\merged.dir
-net.micode.notes.app-mergeDebugResources-4 D:\ZIP\Notes-master1\app\build\intermediates\incremental\debug\mergeDebugResources\stripped.dir
-net.micode.notes.app-merged_res-5 D:\ZIP\Notes-master1\app\build\intermediates\merged_res\debug
-net.micode.notes.app-debug-6 D:\ZIP\Notes-master1\app\src\debug\res
-net.micode.notes.app-main-7 D:\ZIP\Notes-master1\app\src\main\res
+net.micode.notes.app-pngs-0 D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\build\generated\res\pngs\debug
+net.micode.notes.app-resValues-1 D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\build\generated\res\resValues\debug
+net.micode.notes.app-rs-2 D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\build\generated\res\rs\debug
+net.micode.notes.app-mergeDebugResources-3 D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\build\intermediates\incremental\debug\mergeDebugResources\merged.dir
+net.micode.notes.app-mergeDebugResources-4 D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\build\intermediates\incremental\debug\mergeDebugResources\stripped.dir
+net.micode.notes.app-merged_res-5 D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\build\intermediates\merged_res\debug
+net.micode.notes.app-debug-6 D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\debug\res
+net.micode.notes.app-main-7 D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\res
diff --git a/src/Notes-master1/app/build/intermediates/stable_resource_ids_file/debug/stableIds.txt b/src/Notes-master1/app/build/intermediates/stable_resource_ids_file/debug/stableIds.txt
index 4461006..b9e1d92 100644
--- a/src/Notes-master1/app/build/intermediates/stable_resource_ids_file/debug/stableIds.txt
+++ b/src/Notes-master1/app/build/intermediates/stable_resource_ids_file/debug/stableIds.txt
@@ -1,129 +1,134 @@
-net.micode.notes:xml/widget_4x_info = 0x7f0c0003
-net.micode.notes:xml/preferences = 0x7f0c0000
-net.micode.notes:style/TextAppearanceSecondaryItem = 0x7f0b0008
-net.micode.notes:style/TextAppearanceNormal = 0x7f0b0006
-net.micode.notes:style/TextAppearanceLarge = 0x7f0b0004
-net.micode.notes:style/HighlightTextAppearancePrimary = 0x7f0b0000
-net.micode.notes:string/widget_havenot_content = 0x7f0a0064
-net.micode.notes:string/ticker_syncing = 0x7f0a0063
 net.micode.notes:string/ticker_success = 0x7f0a0062
-net.micode.notes:style/HighlightTextAppearanceSecondary = 0x7f0b0001
-net.micode.notes:string/ticker_cancel = 0x7f0a0060
+net.micode.notes:string/preferences_menu_remove_account = 0x7f0a0052
+net.micode.notes:string/preferences_account_summary = 0x7f0a0044
+net.micode.notes:string/menu_export_text = 0x7f0a0023
+net.micode.notes:layout/note_list = 0x7f060008
+net.micode.notes:string/file_path = 0x7f0a0016
+net.micode.notes:string/menu_folder_change_name = 0x7f0a0024
+net.micode.notes:string/note_link_other = 0x7f0a003d
+net.micode.notes:string/note_alert_expired = 0x7f0a003b
+net.micode.notes:id/tv_title_bar = 0x7f050040
+net.micode.notes:string/menu_font_small = 0x7f0a002a
+net.micode.notes:string/ticker_syncing = 0x7f0a0063
+net.micode.notes:style/HighlightTextAppearancePrimary = 0x7f0b0000
+net.micode.notes:xml/preferences = 0x7f0c0000
 net.micode.notes:string/sync_progress_syncing = 0x7f0a005f
-net.micode.notes:string/sync_progress_init_list = 0x7f0a005d
-net.micode.notes:string/search_label = 0x7f0a0058
-net.micode.notes:string/preferences_toast_success_set_accout = 0x7f0a0055
+net.micode.notes:menu/sub_folder = 0x7f070006
 net.micode.notes:string/preferences_toast_cannot_change_account = 0x7f0a0054
-net.micode.notes:string/preferences_title = 0x7f0a0053
-net.micode.notes:string/preferences_menu_remove_account = 0x7f0a0052
+net.micode.notes:string/alert_message_delete_notes = 0x7f0a0002
+net.micode.notes:string/search_label = 0x7f0a0058
+net.micode.notes:id/selection_menu = 0x7f050038
 net.micode.notes:style/NoteActionBarStyle = 0x7f0b0002
 net.micode.notes:string/preferences_menu_change_account = 0x7f0a0051
+net.micode.notes:string/menu_sync = 0x7f0a0038
+net.micode.notes:string/sync_progress_init_list = 0x7f0a005d
 net.micode.notes:string/preferences_menu_cancel = 0x7f0a0050
+net.micode.notes:string/menu_normal_mode = 0x7f0a002f
+net.micode.notes:string/menu_sync_cancel = 0x7f0a0039
+net.micode.notes:drawable/title_alert = 0x7f040036
+net.micode.notes:id/note_title = 0x7f050034
+net.micode.notes:string/menu_search = 0x7f0a0031
 net.micode.notes:string/preferences_last_sync_time = 0x7f0a004e
+net.micode.notes:string/datetime_dialog_cancel = 0x7f0a0009
 net.micode.notes:string/preferences_dialog_select_account_title = 0x7f0a004d
+net.micode.notes:id/menu_search = 0x7f050028
+net.micode.notes:xml/widget_4x_info = 0x7f0c0003
 net.micode.notes:string/preferences_dialog_change_account_warn_msg = 0x7f0a004b
+net.micode.notes:style/TextAppearanceNormal = 0x7f0b0006
+net.micode.notes:string/preferences_title = 0x7f0a0053
+net.micode.notes:string/datetime_dialog_ok = 0x7f0a000a
+net.micode.notes:id/notes_list = 0x7f050035
+net.micode.notes:layout/note_edit = 0x7f060005
+net.micode.notes:string/widget_havenot_content = 0x7f0a0064
 net.micode.notes:string/preferences_button_sync_immediately = 0x7f0a0049
 net.micode.notes:string/preferences_button_sync_cancel = 0x7f0a0048
-net.micode.notes:string/preferences_account_summary = 0x7f0a0044
-net.micode.notes:string/success_sdcard_export = 0x7f0a005b
-net.micode.notes:string/notelist_string_info = 0x7f0a0043
+net.micode.notes:style/TextAppearanceSecondaryItem = 0x7f0b0008
 net.micode.notes:string/notelist_menu_new = 0x7f0a0042
+net.micode.notes:string/menu_share = 0x7f0a0037
+net.micode.notes:style/HighlightTextAppearanceSecondary = 0x7f0b0001
+net.micode.notes:string/ticker_cancel = 0x7f0a0060
 net.micode.notes:string/notealert_ok = 0x7f0a0041
-net.micode.notes:string/notealert_enter = 0x7f0a0040
 net.micode.notes:string/note_link_web = 0x7f0a003f
-net.micode.notes:string/note_link_tel = 0x7f0a003e
-net.micode.notes:string/note_link_other = 0x7f0a003d
-net.micode.notes:string/note_link_email = 0x7f0a003c
-net.micode.notes:string/note_alert_expired = 0x7f0a003b
-net.micode.notes:string/menu_sync_cancel = 0x7f0a0039
-net.micode.notes:string/menu_sync = 0x7f0a0038
-net.micode.notes:string/menu_share = 0x7f0a0037
-net.micode.notes:string/menu_select_title = 0x7f0a0034
-net.micode.notes:style/TextAppearanceMedium = 0x7f0b0005
-net.micode.notes:string/menu_select_none = 0x7f0a0033
 net.micode.notes:string/menu_title_select_folder = 0x7f0a003a
 net.micode.notes:string/menu_select_all = 0x7f0a0032
-net.micode.notes:string/menu_search = 0x7f0a0031
-net.micode.notes:string/menu_remove_remind = 0x7f0a0030
-net.micode.notes:string/menu_normal_mode = 0x7f0a002f
+net.micode.notes:string/note_link_email = 0x7f0a003c
 net.micode.notes:string/menu_move_parent_folder = 0x7f0a002e
+net.micode.notes:string/notelist_string_info = 0x7f0a0043
+net.micode.notes:string/success_sdcard_export = 0x7f0a005b
+net.micode.notes:string/call_record_folder_name = 0x7f0a0008
+net.micode.notes:drawable/list_green_up = 0x7f040020
 net.micode.notes:string/menu_move = 0x7f0a002d
+net.micode.notes:menu/note_edit = 0x7f070002
 net.micode.notes:string/menu_list_mode = 0x7f0a002c
+net.micode.notes:id/iv_bg_blue_select = 0x7f05000f
+net.micode.notes:string/error_note_empty_for_clock = 0x7f0a000c
 net.micode.notes:string/menu_font_super = 0x7f0a002b
-net.micode.notes:string/menu_font_small = 0x7f0a002a
-net.micode.notes:string/menu_folder_change_name = 0x7f0a0024
-net.micode.notes:string/menu_export_text = 0x7f0a0023
 net.micode.notes:string/menu_deselect_all = 0x7f0a0022
 net.micode.notes:string/menu_create_folder = 0x7f0a0020
-net.micode.notes:style/TextAppearancePrimaryItem = 0x7f0b0007
-net.micode.notes:string/folder_exist = 0x7f0a0017
+net.micode.notes:id/menu_share = 0x7f05002b
+net.micode.notes:string/info_note_enter_desktop = 0x7f0a001e
+net.micode.notes:style/TextAppearanceMedium = 0x7f0b0005
+net.micode.notes:string/menu_select_none = 0x7f0a0033
 net.micode.notes:string/hint_foler_name = 0x7f0a001d
+net.micode.notes:string/folder_exist = 0x7f0a0017
+net.micode.notes:style/TextAppearancePrimaryItem = 0x7f0b0007
+net.micode.notes:string/preferences_toast_success_set_accout = 0x7f0a0055
+net.micode.notes:string/widget_under_visit_mode = 0x7f0a0065
+net.micode.notes:id/menu_send_to_desktop = 0x7f050029
 net.micode.notes:string/format_date_ymd = 0x7f0a0018
-net.micode.notes:string/file_path = 0x7f0a0016
 net.micode.notes:string/set_remind_time_message = 0x7f0a005a
 net.micode.notes:string/error_sync_network = 0x7f0a0013
 net.micode.notes:string/error_sdcard_unmounted = 0x7f0a0010
-net.micode.notes:string/datetime_dialog_ok = 0x7f0a000a
-net.micode.notes:string/datetime_dialog_cancel = 0x7f0a0009
-net.micode.notes:drawable/list_green_up = 0x7f040020
-net.micode.notes:string/call_record_folder_name = 0x7f0a0008
 net.micode.notes:drawable/new_note_normal = 0x7f040030
 net.micode.notes:string/button_delete = 0x7f0a0007
 net.micode.notes:string/app_widget2x2 = 0x7f0a0005
-net.micode.notes:string/menu_font_normal = 0x7f0a0028
-net.micode.notes:string/format_exported_file_location = 0x7f0a001a
+net.micode.notes:string/menu_select_title = 0x7f0a0034
 net.micode.notes:raw/introduction = 0x7f090000
+net.micode.notes:string/format_exported_file_location = 0x7f0a001a
+net.micode.notes:string/menu_font_normal = 0x7f0a0028
+net.micode.notes:string/alert_message_delete_folder = 0x7f0a0000
+net.micode.notes:layout/datetime_picker = 0x7f060002
+net.micode.notes:xml/widget_2x_info = 0x7f0c0002
+net.micode.notes:string/notealert_enter = 0x7f0a0040
+net.micode.notes:id/sv_note_edit = 0x7f050039
+net.micode.notes:drawable/new_note = 0x7f04002f
+net.micode.notes:string/menu_remove_remind = 0x7f0a0030
 net.micode.notes:string/delete_remind_time_message = 0x7f0a000b
-net.micode.notes:dimen/text_font_size_super = 0x7f030004
 net.micode.notes:drawable/selected = 0x7f040035
 net.micode.notes:plurals/search_results_title = 0x7f080000
-net.micode.notes:menu/sub_folder = 0x7f070006
-net.micode.notes:menu/note_edit = 0x7f070002
-net.micode.notes:style/TextAppearanceSuper = 0x7f0b0009
-net.micode.notes:color/secondary_text_dark = 0x7f020001
-net.micode.notes:id/move = 0x7f05002e
-net.micode.notes:id/iv_bg_yellow_select = 0x7f050017
-net.micode.notes:menu/call_note_edit = 0x7f070000
-net.micode.notes:drawable/new_note_pressed = 0x7f040031
+net.micode.notes:dimen/text_font_size_super = 0x7f030004
+net.micode.notes:layout/widget_4x = 0x7f06000d
+net.micode.notes:id/et_foler_name = 0x7f05000a
+net.micode.notes:drawable/edit_green = 0x7f040007
+net.micode.notes:style/TextAppearanceLarge = 0x7f0b0004
 net.micode.notes:id/iv_bg_blue = 0x7f05000e
 net.micode.notes:layout/settings_header = 0x7f06000b
-net.micode.notes:layout/note_list = 0x7f060008
+net.micode.notes:drawable/new_note_pressed = 0x7f040031
+net.micode.notes:id/iv_bg_yellow_select = 0x7f050017
+net.micode.notes:id/move = 0x7f05002e
+net.micode.notes:menu/call_note_edit = 0x7f070000
+net.micode.notes:color/secondary_text_dark = 0x7f020001
+net.micode.notes:style/TextAppearanceSuper = 0x7f0b0009
 net.micode.notes:drawable/list_white_single = 0x7f040027
 net.micode.notes:layout/note_item = 0x7f060007
-net.micode.notes:xml/widget_2x_info = 0x7f0c0002
-net.micode.notes:string/alert_message_delete_folder = 0x7f0a0000
-net.micode.notes:layout/datetime_picker = 0x7f060002
+net.micode.notes:string/note_link_tel = 0x7f0a003e
+net.micode.notes:id/widget_text = 0x7f050042
 net.micode.notes:id/btn_new_note = 0x7f050004
 net.micode.notes:layout/note_list_footer = 0x7f06000a
-net.micode.notes:id/widget_text = 0x7f050042
-net.micode.notes:id/tv_title_bar = 0x7f050040
 net.micode.notes:drawable/widget_2x_blue = 0x7f040038
 net.micode.notes:id/tv_time = 0x7f05003e
 net.micode.notes:id/tv_name = 0x7f05003d
-net.micode.notes:drawable/new_note = 0x7f04002f
-net.micode.notes:id/sv_note_edit = 0x7f050039
-net.micode.notes:id/selection_menu = 0x7f050038
 net.micode.notes:string/error_sdcard_export = 0x7f0a000f
 net.micode.notes:id/preference_sync_button = 0x7f050037
-net.micode.notes:layout/note_edit = 0x7f060005
-net.micode.notes:id/notes_list = 0x7f050035
-net.micode.notes:string/alert_message_delete_notes = 0x7f0a0002
-net.micode.notes:drawable/title_alert = 0x7f040036
-net.micode.notes:id/note_title = 0x7f050034
-net.micode.notes:string/preferences_last_sync_time_format = 0x7f0a004f
 net.micode.notes:id/note_edit_view = 0x7f050032
+net.micode.notes:string/preferences_last_sync_time_format = 0x7f0a004f
 net.micode.notes:id/navigation_bar = 0x7f05002f
 net.micode.notes:string/app_widget4x4 = 0x7f0a0006
-net.micode.notes:drawable/font_normal = 0x7f040011
 net.micode.notes:id/minute = 0x7f05002d
+net.micode.notes:drawable/font_normal = 0x7f040011
 net.micode.notes:drawable/font_super = 0x7f040014
 net.micode.notes:id/menu_sync = 0x7f05002c
-net.micode.notes:string/info_note_enter_desktop = 0x7f0a001e
-net.micode.notes:id/menu_share = 0x7f05002b
 net.micode.notes:id/menu_setting = 0x7f05002a
-net.micode.notes:string/widget_under_visit_mode = 0x7f0a0065
-net.micode.notes:id/menu_send_to_desktop = 0x7f050029
-net.micode.notes:id/menu_search = 0x7f050028
 net.micode.notes:drawable/list_green_down = 0x7f04001d
 net.micode.notes:id/menu_new_note = 0x7f050027
 net.micode.notes:string/error_note_not_exist = 0x7f0a000e
@@ -133,14 +138,14 @@ net.micode.notes:id/iv_medium_select = 0x7f050019
 net.micode.notes:id/menu_export_text = 0x7f050023
 net.micode.notes:string/menu_folder_view = 0x7f0a0026
 net.micode.notes:id/menu_delete = 0x7f050021
-net.micode.notes:string/ticker_fail = 0x7f0a0061
 net.micode.notes:string/file_name_txt_format = 0x7f0a0015
-net.micode.notes:drawable/edit_blue = 0x7f040006
+net.micode.notes:string/ticker_fail = 0x7f0a0061
 net.micode.notes:id/prefenerece_sync_status_textview = 0x7f050036
+net.micode.notes:drawable/edit_blue = 0x7f040006
+net.micode.notes:id/menu_alert = 0x7f050020
 net.micode.notes:string/menu_font_size = 0x7f0a0029
-net.micode.notes:string/menu_alert = 0x7f0a001f
 net.micode.notes:drawable/edit_title_yellow = 0x7f04000d
-net.micode.notes:id/menu_alert = 0x7f050020
+net.micode.notes:string/menu_alert = 0x7f0a001f
 net.micode.notes:string/success_sync_account = 0x7f0a005c
 net.micode.notes:id/ll_font_super = 0x7f05001f
 net.micode.notes:id/ll_font_small = 0x7f05001e
@@ -148,49 +153,44 @@ net.micode.notes:menu/call_record_folder = 0x7f070001
 net.micode.notes:id/ll_font_normal = 0x7f05001d
 net.micode.notes:id/ll_font_large = 0x7f05001c
 net.micode.notes:id/note_bg_color_selector = 0x7f050030
-net.micode.notes:drawable/search_result = 0x7f040034
 net.micode.notes:id/iv_super_select = 0x7f05001b
+net.micode.notes:drawable/search_result = 0x7f040034
 net.micode.notes:id/iv_bg_yellow = 0x7f050016
+net.micode.notes:drawable/widget_2x_green = 0x7f040039
 net.micode.notes:string/error_sync_cancelled = 0x7f0a0011
 net.micode.notes:id/iv_bg_white_select = 0x7f050015
+net.micode.notes:string/format_move_notes_to_folder = 0x7f0a001c
+net.micode.notes:drawable/widget_2x_red = 0x7f04003a
 net.micode.notes:id/tv_alert_date = 0x7f05003a
 net.micode.notes:dimen/text_font_size_large = 0x7f030000
 net.micode.notes:drawable/notification = 0x7f040033
 net.micode.notes:id/iv_bg_red = 0x7f050012
+net.micode.notes:id/iv_large_select = 0x7f050018
 net.micode.notes:string/menu_font_large = 0x7f0a0027
 net.micode.notes:drawable/widget_4x_blue = 0x7f04003d
-net.micode.notes:id/iv_large_select = 0x7f050018
-net.micode.notes:id/widget_bg_image = 0x7f050041
 net.micode.notes:id/iv_bg_green_select = 0x7f050011
-net.micode.notes:string/error_note_empty_for_clock = 0x7f0a000c
+net.micode.notes:id/widget_bg_image = 0x7f050041
 net.micode.notes:string/preferences_dialog_change_account_title = 0x7f0a004a
 net.micode.notes:drawable/menu_move = 0x7f04002e
 net.micode.notes:drawable/widget_4x_white = 0x7f040040
-net.micode.notes:id/iv_bg_blue_select = 0x7f05000f
-net.micode.notes:string/preferences_dialog_select_account_tips = 0x7f0a004c
 net.micode.notes:id/font_size_selector = 0x7f05000b
+net.micode.notes:string/preferences_dialog_select_account_tips = 0x7f0a004c
 net.micode.notes:id/et_edit_text = 0x7f050009
-net.micode.notes:id/et_foler_name = 0x7f05000a
-net.micode.notes:drawable/edit_green = 0x7f040007
-net.micode.notes:layout/widget_4x = 0x7f06000d
 net.micode.notes:string/search = 0x7f0a0056
 net.micode.notes:id/cb_edit_item = 0x7f050006
 net.micode.notes:id/btn_set_bg_color = 0x7f050005
 net.micode.notes:id/account_dialog_subtitle = 0x7f050000
 net.micode.notes:menu/note_list = 0x7f070003
 net.micode.notes:id/account_dialog_title = 0x7f050001
-net.micode.notes:id/iv_bg_green = 0x7f050010
 net.micode.notes:id/amPm = 0x7f050003
+net.micode.notes:id/iv_bg_green = 0x7f050010
 net.micode.notes:drawable/widget_4x_green = 0x7f04003e
-net.micode.notes:style/NoteTheme = 0x7f0b0003
 net.micode.notes:id/hour = 0x7f05000c
 net.micode.notes:drawable/note_edit_color_selector_panel = 0x7f040032
+net.micode.notes:style/NoteTheme = 0x7f0b0003
 net.micode.notes:drawable/widget_2x_yellow = 0x7f04003c
-net.micode.notes:string/format_move_notes_to_folder = 0x7f0a001c
-net.micode.notes:drawable/widget_2x_red = 0x7f04003a
 net.micode.notes:style/TextAppearanceUnderMenuIcon = 0x7f0b000a
 net.micode.notes:id/delete = 0x7f050008
-net.micode.notes:drawable/widget_2x_green = 0x7f040039
 net.micode.notes:drawable/title_bar_bg = 0x7f040037
 net.micode.notes:drawable/menu_delete = 0x7f04002d
 net.micode.notes:string/error_sync_internal = 0x7f0a0012
diff --git a/src/Notes-master1/app/build/outputs/logs/manifest-merger-debug-report.txt b/src/Notes-master1/app/build/outputs/logs/manifest-merger-debug-report.txt
index 0f7f88e..4f79ec2 100644
--- a/src/Notes-master1/app/build/outputs/logs/manifest-merger-debug-report.txt
+++ b/src/Notes-master1/app/build/outputs/logs/manifest-merger-debug-report.txt
@@ -1,235 +1,233 @@
 -- Merging decision tree log ---
 manifest
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:18:1-150:12
-INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:18:1-150:12
-INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:18:1-150:12
-INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:18:1-150:12
-INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:18:1-150:12
-INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:18:1-150:12
-INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:18:1-150:12
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:18:1-151:12
+INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:18:1-151:12
+INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:18:1-151:12
+INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:18:1-151:12
+INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:18:1-151:12
+INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:18:1-151:12
+INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:18:1-151:12
 	package
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:19:5-31
-		INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml
-		INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:19:5-31
+		INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml
+		INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml
 	android:versionName
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:21:5-30
-		INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml
-		INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:21:5-30
+		INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml
+		INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml
 	xmlns:android
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:18:11-69
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:18:11-69
 	android:versionCode
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:20:5-28
-		INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml
-		INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:20:5-28
+		INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml
+		INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml
 uses-sdk
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:23:5-44
-INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:23:5-44
-INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:23:5-44
-INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:23:5-44
-INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:23:5-44
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:23:5-44
+INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:23:5-44
+INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:23:5-44
+INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:23:5-44
+INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:23:5-44
 	android:targetSdkVersion
-		INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:23:5-44
-		INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml
+		INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:23:5-44
+		INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml
 	android:minSdkVersion
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:23:15-41
-		INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml
-		INJECTED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:23:15-41
+		INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml
+		INJECTED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml
 uses-permission#android.permission.WRITE_EXTERNAL_STORAGE
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:25:5-81
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:25:5-81
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:25:22-78
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:25:22-78
 uses-permission#com.android.launcher.permission.INSTALL_SHORTCUT
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:26:5-88
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:26:5-88
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:26:22-85
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:26:22-85
 uses-permission#android.permission.INTERNET
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:27:5-67
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:27:5-67
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:27:22-64
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:27:22-64
 uses-permission#android.permission.READ_CONTACTS
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:28:5-72
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:28:5-72
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:28:22-69
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:28:22-69
 uses-permission#android.permission.MANAGE_ACCOUNTS
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:29:5-74
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:29:5-74
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:29:22-71
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:29:22-71
 uses-permission#android.permission.AUTHENTICATE_ACCOUNTS
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:30:5-80
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:30:5-80
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:30:22-77
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:30:22-77
 uses-permission#android.permission.GET_ACCOUNTS
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:31:5-71
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:31:5-71
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:31:22-68
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:31:22-68
 uses-permission#android.permission.USE_CREDENTIALS
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:32:5-74
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:32:5-74
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:32:22-71
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:32:22-71
 uses-permission#android.permission.RECEIVE_BOOT_COMPLETED
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:33:5-81
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:33:5-81
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:33:22-78
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:33:22-78
 application
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:35:5-149:19
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:35:5-150:19
 	android:label
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:37:9-41
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:37:9-41
 	android:icon
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:36:9-42
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:36:9-42
 activity#net.micode.notes.ui.NotesListActivity
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:38:9-51:20
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:38:9-52:20
 	android:label
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:41:13-45
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:41:13-45
 	android:launchMode
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:42:13-43
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:42:13-43
 	android:windowSoftInputMode
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:45:13-52
-	android:uiOptions
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:44:13-57
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:45:13-52
 	android:configChanges
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:40:13-74
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:40:13-74
 	android:theme
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:43:13-45
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:43:13-45
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:39:13-49
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:39:13-49
 intent-filter#action:name:android.intent.action.MAIN+category:name:android.intent.category.LAUNCHER
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:47:13-50:29
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:48:13-51:29
 action#android.intent.action.MAIN
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:48:17-69
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:49:17-69
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:48:25-66
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:49:25-66
 category#android.intent.category.LAUNCHER
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:49:17-77
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:50:17-77
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:49:27-74
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:50:27-74
 activity#net.micode.notes.ui.NoteEditActivity
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:53:9-81:20
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:54:9-82:20
 	android:launchMode
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:56:13-43
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:57:13-43
 	android:configChanges
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:55:13-74
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:56:13-74
 	android:theme
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:57:13-45
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:58:13-45
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:54:13-48
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:55:13-48
 intent-filter#action:name:android.intent.action.VIEW+category:name:android.intent.category.DEFAULT+data:mimeType:vnd.android.cursor.item/call_note+data:mimeType:vnd.android.cursor.item/text_note
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:59:13-64:29
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:60:13-65:29
 action#android.intent.action.VIEW
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:60:17-69
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:61:17-69
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:60:25-66
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:61:25-66
 category#android.intent.category.DEFAULT
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:61:17-76
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:62:17-76
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:61:27-73
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:62:27-73
 data
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:62:17-78
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:63:17-78
 	android:mimeType
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:62:23-75
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:63:23-75
 intent-filter#action:name:android.intent.action.INSERT_OR_EDIT+category:name:android.intent.category.DEFAULT+data:mimeType:vnd.android.cursor.item/call_note+data:mimeType:vnd.android.cursor.item/text_note
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:66:13-71:29
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:67:13-72:29
 action#android.intent.action.INSERT_OR_EDIT
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:67:17-79
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:68:17-79
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:67:25-76
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:68:25-76
 intent-filter#action:name:android.intent.action.SEARCH+category:name:android.intent.category.DEFAULT
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:73:13-76:29
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:74:13-77:29
 action#android.intent.action.SEARCH
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:74:17-71
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:75:17-71
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:74:25-68
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:75:25-68
 meta-data#android.app.searchable
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:78:13-80:54
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:79:13-81:54
 	android:resource
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:80:17-51
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:81:17-51
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:79:17-54
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:80:17-54
 provider#net.micode.notes.data.NotesProvider
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:83:9-86:43
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:84:9-87:43
 	android:authorities
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:85:13-47
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:86:13-47
 	android:multiprocess
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:86:13-40
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:87:13-40
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:84:13-63
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:85:13-63
 receiver#net.micode.notes.widget.NoteWidgetProvider_2x
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:88:9-100:20
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:89:9-101:20
 	android:label
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:90:13-50
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:91:13-50
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:89:13-57
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:90:13-57
 intent-filter#action:name:android.appwidget.action.APPWIDGET_DELETED+action:name:android.appwidget.action.APPWIDGET_UPDATE+action:name:android.intent.action.PRIVACY_MODE_CHANGED
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:91:13-95:29
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:92:13-96:29
 action#android.appwidget.action.APPWIDGET_UPDATE
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:92:17-84
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:93:17-84
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:92:25-81
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:93:25-81
 action#android.appwidget.action.APPWIDGET_DELETED
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:93:17-85
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:94:17-85
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:93:25-82
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:94:25-82
 action#android.intent.action.PRIVACY_MODE_CHANGED
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:94:17-85
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:95:17-85
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:94:25-82
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:95:25-82
 meta-data#android.appwidget.provider
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:97:13-99:58
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:98:13-100:58
 	android:resource
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:99:17-55
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:100:17-55
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:98:17-58
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:99:17-58
 receiver#net.micode.notes.widget.NoteWidgetProvider_4x
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:101:9-114:20
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:102:9-115:20
 	android:label
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:103:13-50
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:104:13-50
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:102:13-57
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:103:13-57
 receiver#net.micode.notes.ui.AlarmInitReceiver
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:116:9-120:20
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:117:9-121:20
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:116:19-55
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:117:19-55
 intent-filter#action:name:android.intent.action.BOOT_COMPLETED
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:117:13-119:29
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:118:13-120:29
 action#android.intent.action.BOOT_COMPLETED
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:118:17-79
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:119:17-79
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:118:25-76
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:119:25-76
 receiver#net.micode.notes.ui.AlarmReceiver
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:122:9-125:20
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:123:9-126:20
 	android:process
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:124:13-38
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:125:13-38
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:123:13-61
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:124:13-61
 activity#net.micode.notes.ui.AlarmAlertActivity
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:127:9-132:20
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:128:9-133:20
 	android:label
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:129:13-45
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:130:13-45
 	android:launchMode
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:130:13-48
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:131:13-48
 	android:theme
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:131:13-75
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:132:13-75
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:128:13-50
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:129:13-50
 activity#net.micode.notes.ui.NotesPreferenceActivity
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:134:9-139:20
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:135:9-140:20
 	android:label
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:136:13-54
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:137:13-54
 	android:launchMode
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:137:13-43
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:138:13-43
 	android:theme
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:138:13-60
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:139:13-60
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:135:13-71
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:136:13-71
 service#net.micode.notes.gtask.remote.GTaskSyncService
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:141:9-144:19
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:142:9-145:19
 	android:exported
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:143:13-37
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:144:13-37
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:142:13-74
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:143:13-74
 meta-data#android.app.default_searchable
-ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:146:9-148:52
+ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:147:9-149:52
 	android:value
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:148:13-49
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:149:13-49
 	android:name
-		ADDED from D:\ZIP\Notes-master1\app\src\main\AndroidManifest.xml:147:13-58
+		ADDED from D:\gitProject\CJR_DXW_CYW\src\Notes-master1\app\src\main\AndroidManifest.xml:148:13-58
diff --git a/src/Notes-master1/app/build/tmp/compileDebugJavaWithJavac/previous-compilation-data.bin b/src/Notes-master1/app/build/tmp/compileDebugJavaWithJavac/previous-compilation-data.bin
index 978ffc8..cb35302 100644
Binary files a/src/Notes-master1/app/build/tmp/compileDebugJavaWithJavac/previous-compilation-data.bin and b/src/Notes-master1/app/build/tmp/compileDebugJavaWithJavac/previous-compilation-data.bin differ
diff --git a/src/Notes-master1/app/src/main/AndroidManifest.xml b/src/Notes-master1/app/src/main/AndroidManifest.xml
index e5c7d47..101890a 100644
--- a/src/Notes-master1/app/src/main/AndroidManifest.xml
+++ b/src/Notes-master1/app/src/main/AndroidManifest.xml
@@ -41,9 +41,10 @@
             android:label="@string/app_name"
             android:launchMode="singleTop"
             android:theme="@style/NoteTheme"
-            android:uiOptions="splitActionBarWhenNarrow"
+
             android:windowSoftInputMode="adjustPan" >
 
+        <!--android:uiOptions="splitActionBarWhenNarrow"-->
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/data/Contact.java b/src/Notes-master1/app/src/main/java/net/micode/notes/data/Contact.java
index d97ac5d..b21679b 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/data/Contact.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/data/Contact.java
@@ -25,47 +25,52 @@ import android.util.Log;
 
 import java.util.HashMap;
 
-public class Contact {
+public class Contact {//创建一个 联系人 类
     private static HashMap<String, String> sContactCache;
     private static final String TAG = "Contact";
 
+    //定义字符串CALLER_ID_SELECTION
     private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER
-    + ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'"
-    + " AND " + Data.RAW_CONTACT_ID + " IN "
+            + ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'"
+            + " AND " + Data.RAW_CONTACT_ID + " IN "
             + "(SELECT raw_contact_id "
             + " FROM phone_lookup"
             + " WHERE min_match = '+')";
 
+    //获取联系人
     public static String getContact(Context context, String phoneNumber) {
         if(sContactCache == null) {
             sContactCache = new HashMap<String, String>();
         }
-
+        //查找HashMap中是否已经有了phoneNumber的信息
         if(sContactCache.containsKey(phoneNumber)) {
             return sContactCache.get(phoneNumber);
         }
 
         String selection = CALLER_ID_SELECTION.replace("+",
                 PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));
+        //查找数据库中phoneNumber的信息
         Cursor cursor = context.getContentResolver().query(
                 Data.CONTENT_URI,
                 new String [] { Phone.DISPLAY_NAME },
                 selection,
                 new String[] { phoneNumber },
                 null);
-
+        //如果查询结果不为空，就输出电话号码和联系人姓名
+        //否则就按照异常catch
         if (cursor != null && cursor.moveToFirst()) {
             try {
                 String name = cursor.getString(0);
                 sContactCache.put(phoneNumber, name);
                 return name;
+                //异常处理
             } catch (IndexOutOfBoundsException e) {
                 Log.e(TAG, " Cursor get string error " + e.toString());
                 return null;
             } finally {
                 cursor.close();
             }
-        } else {
+        } else {    //未找到相关信息
             Log.d(TAG, "No contact matched with number:" + phoneNumber);
             return null;
         }
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/data/Notes.java b/src/Notes-master1/app/src/main/java/net/micode/notes/data/Notes.java
index f240604..7c1a57b 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/data/Notes.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/data/Notes.java
@@ -18,6 +18,7 @@ package net.micode.notes.data;
 
 import android.net.Uri;
 public class Notes {
+    //定义静态成员和静态成员函数
     public static final String AUTHORITY = "micode_notes";
     public static final String TAG = "Notes";
     public static final int TYPE_NOTE     = 0;
@@ -52,15 +53,15 @@ public class Notes {
     }
 
     /**
-     * Uri to query all notes and folders
+     * Uri to query all notes and folders 查询所有笔记和文件夹
      */
     public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
-
+    //定义查询便签和文件夹的指针
     /**
-     * Uri to query data
+     * Uri to query data 查询数据
      */
     public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
-
+    //定义查找数据的指针
     public interface NoteColumns {
         /**
          * The unique ID for a row
@@ -165,7 +166,7 @@ public class Notes {
          * <P> Type : INTEGER (long) </P>
          */
         public static final String VERSION = "version";
-    }
+    }//定义便签属性
 
     public interface DataColumns {
         /**
@@ -239,7 +240,7 @@ public class Notes {
          * <P> Type: TEXT </P>
          */
         public static final String DATA5 = "data5";
-    }
+    }//定义存储便签内容数据不可修改变量
 
     public static final class TextNote implements DataColumns {
         /**
@@ -255,7 +256,7 @@ public class Notes {
         public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
 
         public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
-    }
+    }//文本内容的数据结构
 
     public static final class CallNote implements DataColumns {
         /**
@@ -275,5 +276,5 @@ public class Notes {
         public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
 
         public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
-    }
+    }//电话内容的数据结构
 }
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java b/src/Notes-master1/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java
index ffe5d57..ee47e51 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java
@@ -61,7 +61,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
             NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
             NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," +
             NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" +
-        ")";
+        ")";//数据库中需要存储的项目名称，相当于创建一个表格的表头
 
     private static final String CREATE_DATA_TABLE_SQL =
         "CREATE TABLE " + TABLE.DATA + "(" +
@@ -76,7 +76,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
             DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," +
             DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," +
             DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" +
-        ")";
+        ")";//和上面一样，存储项目不同而已
 
     private static final String CREATE_DATA_NOTE_ID_INDEX_SQL =
         "CREATE INDEX IF NOT EXISTS note_id_index ON " +
@@ -92,7 +92,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
         "  UPDATE " + TABLE.NOTE +
         "   SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
         "  WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
-        " END";
+        " END";//在文件夹中移入一个note之后需要更改的数据表格
 
     /**
      * Decrease folder's note count when move note from folder
@@ -105,7 +105,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
         "   SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
         "  WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
         "  AND " + NoteColumns.NOTES_COUNT + ">0" + ";" +
-        " END";
+        " END";//在文件夹中移出一个note之后需要更改的数据表格
 
     /**
      * Increase folder's note count when insert new note to the folder
@@ -117,7 +117,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
         "  UPDATE " + TABLE.NOTE +
         "   SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
         "  WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
-        " END";
+        " END";//在文件夹中插入一个note需要更改的数据表格
 
     /**
      * Decrease folder's note count when delete note from the folder
@@ -130,7 +130,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
         "   SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
         "  WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
         "  AND " + NoteColumns.NOTES_COUNT + ">0;" +
-        " END";
+        " END";//在文件夹中删除一个note之后需要更改的数据表格
 
     /**
      * Update note's content when insert data with type {@link DataConstants#NOTE}
@@ -143,7 +143,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
         "  UPDATE " + TABLE.NOTE +
         "   SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
         "  WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
-        " END";
+        " END";//在文件夹中对note导入新数据之后需要更改的数据表格
 
     /**
      * Update note's content when data with {@link DataConstants#NOTE} type has changed
@@ -156,7 +156,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
         "  UPDATE " + TABLE.NOTE +
         "   SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
         "  WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
-        " END";
+        " END";//note数据被删除之后需要更改的数据表格
 
     /**
      * Update note's content when data with {@link DataConstants#NOTE} type has deleted
@@ -169,7 +169,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
         "  UPDATE " + TABLE.NOTE +
         "   SET " + NoteColumns.SNIPPET + "=''" +
         "  WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" +
-        " END";
+        " END";//note数据被修改之后需要被更改的数据表格
 
     /**
      * Delete datas belong to note which has been deleted
@@ -180,7 +180,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
         " BEGIN" +
         "  DELETE FROM " + TABLE.DATA +
         "   WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" +
-        " END";
+        " END";//删除已删除的便签的数据之后需要更改的表格数据
 
     /**
      * Delete notes belong to folder which has been deleted
@@ -191,7 +191,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
         " BEGIN" +
         "  DELETE FROM " + TABLE.NOTE +
         "   WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
-        " END";
+        " END";//删除已删除的文件的便签之后需要被更改的表格数据
 
     /**
      * Move notes belong to folder which has been moved to trash folder
@@ -204,7 +204,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
         "  UPDATE " + TABLE.NOTE +
         "   SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
         "  WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
-        " END";
+        " END";//还原垃圾桶中便签后需要更改的表格数据
 
     public NotesDatabaseHelper(Context context) {
         super(context, DB_NAME, null, DB_VERSION);
@@ -215,7 +215,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
         reCreateNoteTableTriggers(db);
         createSystemFolder(db);
         Log.d(TAG, "note table has been created");
-    }
+    }//创建表格
 
     private void reCreateNoteTableTriggers(SQLiteDatabase db) {
         db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update");
@@ -268,14 +268,14 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
         values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
         values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
         db.insert(TABLE.NOTE, null, values);
-    }
+    }//创建几个系统文件夹
 
     public void createDataTable(SQLiteDatabase db) {
         db.execSQL(CREATE_DATA_TABLE_SQL);
         reCreateDataTableTriggers(db);
         db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL);
         Log.d(TAG, "data table has been created");
-    }
+    }//创建用来存储标签内容
 
     private void reCreateDataTableTriggers(SQLiteDatabase db) {
         db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert");
@@ -292,7 +292,11 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
             mInstance = new NotesDatabaseHelper(context);
         }
         return mInstance;
-    }
+    }/*
+    为了解决同一时刻只有一个线程执行的问题
+    在写代码时，有时一个类需要被所有的其他类使用，
+    但又要求这个类只能被实例化一次，是个服务类，定义一次，其他类使用同一个这个类的实例
+    */
 
     @Override
     public void onCreate(SQLiteDatabase db) {
@@ -331,7 +335,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
             throw new IllegalStateException("Upgrade notes database to version " + newVersion
                     + "fails");
         }
-    }
+    } //数据库更新
 
     private void upgradeToV2(SQLiteDatabase db) {
         db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE);
@@ -358,5 +362,5 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
     private void upgradeToV4(SQLiteDatabase db) {
         db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION
                 + " INTEGER NOT NULL DEFAULT 0");
-    }
+    }//这是最新版
 }
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/data/NotesProvider.java b/src/Notes-master1/app/src/main/java/net/micode/notes/data/NotesProvider.java
index edb0a60..39e063b 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/data/NotesProvider.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/data/NotesProvider.java
@@ -35,8 +35,8 @@ import net.micode.notes.data.Notes.NoteColumns;
 import net.micode.notes.data.NotesDatabaseHelper.TABLE;
 
 
-public class NotesProvider extends ContentProvider {
-    private static final UriMatcher mMatcher;
+public class NotesProvider extends ContentProvider {//用来拓展查询
+    private static final UriMatcher mMatcher;//用于匹配URI
 
     private NotesDatabaseHelper mHelper;
 
@@ -50,7 +50,7 @@ public class NotesProvider extends ContentProvider {
     private static final int URI_SEARCH          = 5;
     private static final int URI_SEARCH_SUGGEST  = 6;
 
-    static {
+    static {//注册需要匹配的URI路径
         mMatcher = new UriMatcher(UriMatcher.NO_MATCH);
         mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE);
         mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM);
@@ -72,26 +72,26 @@ public class NotesProvider extends ContentProvider {
         + R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + ","
         + "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + ","
         + "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA;
-
+    //声明NOTES_SNIPPET_SEARCH_QUERY
     private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION
         + " FROM " + TABLE.NOTE
         + " WHERE " + NoteColumns.SNIPPET + " LIKE ?"
         + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER
         + " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE;
 
-    @Override
+    @Override//对mHelper进行实例化
     public boolean onCreate() {
         mHelper = NotesDatabaseHelper.getInstance(getContext());
         return true;
     }
 
-    @Override
+    @Override//查询uri在数据库中的位置
     public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
             String sortOrder) {
         Cursor c = null;
-        SQLiteDatabase db = mHelper.getReadableDatabase();
+        SQLiteDatabase db = mHelper.getReadableDatabase();//获取可读数据库
         String id = null;
-        switch (mMatcher.match(uri)) {
+        switch (mMatcher.match(uri)) {//匹配URI，对不同的URI有不同的查找条目
             case URI_NOTE:
                 c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null,
                         sortOrder);
@@ -138,7 +138,7 @@ public class NotesProvider extends ContentProvider {
                     Log.e(TAG, "got exception: " + ex.toString());
                 }
                 break;
-            default:
+            default://抛出异常
                 throw new IllegalArgumentException("Unknown URI " + uri);
         }
         if (c != null) {
@@ -149,9 +149,10 @@ public class NotesProvider extends ContentProvider {
 
     @Override
     public Uri insert(Uri uri, ContentValues values) {
+        //获取一个可写数据库
         SQLiteDatabase db = mHelper.getWritableDatabase();
         long dataId = 0, noteId = 0, insertedId = 0;
-        switch (mMatcher.match(uri)) {
+        switch (mMatcher.match(uri)) {//匹配URI
             case URI_NOTE:
                 insertedId = noteId = db.insert(TABLE.NOTE, null, values);
                 break;
@@ -182,7 +183,8 @@ public class NotesProvider extends ContentProvider {
     }
 
     @Override
-    public int delete(Uri uri, String selection, String[] selectionArgs) {
+    public int delete(Uri uri, String selection, String[] selectionArgs) {//删除一个URI
+        //uri代表要操作的数据，Android上的每一种可用资源图片，音频，视频片段
         int count = 0;
         String id = null;
         SQLiteDatabase db = mHelper.getWritableDatabase();
@@ -227,7 +229,7 @@ public class NotesProvider extends ContentProvider {
         return count;
     }
 
-    @Override
+    @Override//更新uri
     public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
         int count = 0;
         String id = null;
@@ -267,11 +269,12 @@ public class NotesProvider extends ContentProvider {
         return count;
     }
 
-    private String parseSelection(String selection) {
+    private String parseSelection(String selection) {//规范化字符串
         return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : "");
     }
 
     private void increaseNoteVersion(long id, String selection, String[] selectionArgs) {
+        //增加一个noteVersion
         StringBuilder sql = new StringBuilder(120);
         sql.append("UPDATE ");
         sql.append(TABLE.NOTE);
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/model/Note.java b/src/Notes-master1/app/src/main/java/net/micode/notes/model/Note.java
index 6706cf6..54b6d18 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/model/Note.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/model/Note.java
@@ -21,9 +21,9 @@ import android.content.ContentUris;
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.OperationApplicationException;
-import android.net.Uri;
+import android.net.Uri;//等待操作的数据
 import android.os.RemoteException;
-import android.util.Log;
+import android.util.Log;//日志报告
 
 import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.CallNote;
@@ -49,16 +49,16 @@ public class Note {
         values.put(NoteColumns.MODIFIED_DATE, createdTime);
         values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
         values.put(NoteColumns.LOCAL_MODIFIED, 1);
-        values.put(NoteColumns.PARENT_ID, folderId);
+        values.put(NoteColumns.PARENT_ID, folderId);//以上为将数据写入数据库表格
         Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
-
+//ContentResolver()主要实现外部应用对ContentResolver中的数据进行增删查改。
         long noteId = 0;
         try {
             noteId = Long.valueOf(uri.getPathSegments().get(1));
         } catch (NumberFormatException e) {
             Log.e(TAG, "Get note id error :" + e.toString());
             noteId = 0;
-        }
+        }//异常处理
         if (noteId == -1) {
             throw new IllegalStateException("Wrong note id:" + noteId);
         }
@@ -68,35 +68,35 @@ public class Note {
     public Note() {
         mNoteDiffValues = new ContentValues();
         mNoteData = new NoteData();
-    }
+    }//初始化数据一个为便签属性，一个为存储便签内容
 
     public void setNoteValue(String key, String value) {
         mNoteDiffValues.put(key, value);
         mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
         mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
-    }
+    }//设置数据库的便签属性数据
 
     public void setTextData(String key, String value) {
         mNoteData.setTextData(key, value);
     }
-
+//设置数据库表格的标签文本内容的数据
     public void setTextDataId(long id) {
         mNoteData.setTextDataId(id);
     }
-
+    //设置文本数据ID
     public long getTextDataId() {
         return mNoteData.mTextDataId;
     }
-
+    //获取文本数据ID
     public void setCallDataId(long id) {
         mNoteData.setCallDataId(id);
     }
-
+//设置电话号码ID
     public void setCallData(String key, String value) {
         mNoteData.setCallData(key, value);
     }
-
-    public boolean isLocalModified() {
+//设置电话号码数据
+    public boolean isLocalModified() {//判断是否本地修改
         return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
     }
 
@@ -114,6 +114,7 @@ public class Note {
          * {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the
          * note data info
          */
+        //数据修改的时候得更新数据为了数据安全，还是得进行通知数据修改信息
         if (context.getContentResolver().update(
                 ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null,
                 null) == 0) {
@@ -128,16 +129,16 @@ public class Note {
         }
 
         return true;
-    }
+    }//判断数据是否同步
 
-    private class NoteData {
-        private long mTextDataId;
+    private class NoteData {//一个基本的便签内容数据类，主要包含文本数据和电话号码数据
+        private long mTextDataId; //文本ID
 
-        private ContentValues mTextDataValues;
+        private ContentValues mTextDataValues; //文本数据
 
         private long mCallDataId;
 
-        private ContentValues mCallDataValues;
+        private ContentValues mCallDataValues; //电话号码数据
 
         private static final String TAG = "NoteData";
 
@@ -146,7 +147,7 @@ public class Note {
             mCallDataValues = new ContentValues();
             mTextDataId = 0;
             mCallDataId = 0;
-        }
+        }//下面就是上述几个函数的具体实现
 
         boolean isLocalModified() {
             return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
@@ -184,7 +185,7 @@ public class Note {
              */
             if (noteId <= 0) {
                 throw new IllegalArgumentException("Wrong note id:" + noteId);
-            }
+            }//判断数据是否合法
 
             ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
             ContentProviderOperation.Builder builder = null;
@@ -209,7 +210,7 @@ public class Note {
                     operationList.add(builder.build());
                 }
                 mTextDataValues.clear();
-            }
+            }//把文本数据存入DataColumns
 
             if(mCallDataValues.size() > 0) {
                 mCallDataValues.put(DataColumns.NOTE_ID, noteId);
@@ -231,7 +232,7 @@ public class Note {
                     operationList.add(builder.build());
                 }
                 mCallDataValues.clear();
-            }
+            }//把电话号码数据存入DataColumns
 
             if (operationList.size() > 0) {
                 try {
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/model/WorkingNote.java b/src/Notes-master1/app/src/main/java/net/micode/notes/model/WorkingNote.java
index be081e4..358c83f 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/model/WorkingNote.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/model/WorkingNote.java
@@ -41,7 +41,7 @@ public class WorkingNote {
     private String mContent;
     // Note mode
     private int mMode;
-
+//便签状态
     private long mAlertDate;
 
     private long mModifiedDate;
@@ -70,7 +70,7 @@ public class WorkingNote {
             DataColumns.DATA2,
             DataColumns.DATA3,
             DataColumns.DATA4,
-    };
+    };//声明DATA_PROJECTION字符串数组
 
     public static final String[] NOTE_PROJECTION = new String[] {
             NoteColumns.PARENT_ID,
@@ -79,7 +79,7 @@ public class WorkingNote {
             NoteColumns.WIDGET_ID,
             NoteColumns.WIDGET_TYPE,
             NoteColumns.MODIFIED_DATE
-    };
+    };//声明NOTE_PROJECTION字符串数组
 
     private static final int DATA_ID_COLUMN = 0;
 
@@ -112,7 +112,7 @@ public class WorkingNote {
         mIsDeleted = false;
         mMode = 0;
         mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
-    }
+    }//WorkingNote构造函数
 
     // Existing note construct
     private WorkingNote(Context context, long noteId, long folderId) {
@@ -122,7 +122,7 @@ public class WorkingNote {
         mIsDeleted = false;
         mNote = new Note();
         loadNote();
-    }
+    }//WorkingNote构造函数
 
     private void loadNote() {
         Cursor cursor = mContext.getContentResolver().query(
@@ -146,14 +146,14 @@ public class WorkingNote {
         loadNoteData();
     }
 
-    private void loadNoteData() {
+    private void loadNoteData() { //加载NoteData
         Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION,
                 DataColumns.NOTE_ID + "=?", new String[] {
                     String.valueOf(mNoteId)
                 }, null);
 
         if (cursor != null) {
-            if (cursor.moveToFirst()) {
+            if (cursor.moveToFirst()) { //检查第一项是否为空
                 do {
                     String type = cursor.getString(DATA_MIME_TYPE_COLUMN);
                     if (DataConstants.NOTE.equals(type)) {
@@ -171,11 +171,11 @@ public class WorkingNote {
         } else {
             Log.e(TAG, "No data with id:" + mNoteId);
             throw new IllegalArgumentException("Unable to find note's data with id " + mNoteId);
-        }
+        }//异常处理
     }
 
     public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId,
-            int widgetType, int defaultBgColorId) {
+            int widgetType, int defaultBgColorId) { //创建空的Note，参数context，文件夹id，背景颜色widget
         WorkingNote note = new WorkingNote(context, folderId);
         note.setBgColorId(defaultBgColorId);
         note.setWidgetId(widgetId);
@@ -186,9 +186,9 @@ public class WorkingNote {
     public static WorkingNote load(Context context, long id) {
         return new WorkingNote(context, id, 0);
     }
-
+//保存Note
     public synchronized boolean saveNote() {
-        if (isWorthSaving()) {
+        if (isWorthSaving()) { //是否值得保存
             if (!existInDatabase()) {
                 if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) {
                     Log.e(TAG, "Create new note fail with id:" + mNoteId);
@@ -214,9 +214,9 @@ public class WorkingNote {
 
     public boolean existInDatabase() {
         return mNoteId > 0;
-    }
+    } //是否存在
 
-    private boolean isWorthSaving() {
+    private boolean isWorthSaving() { //判断是否值得保存
         if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent))
                 || (existInDatabase() && !mNote.isLocalModified())) {
             return false;
@@ -239,7 +239,7 @@ public class WorkingNote {
         }
     }
 
-    public void markDeleted(boolean mark) {
+    public void markDeleted(boolean mark) { //设置删除标记
         mIsDeleted = mark;
         if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID
                 && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) {
@@ -247,7 +247,7 @@ public class WorkingNote {
         }
     }
 
-    public void setBgColorId(int id) {
+    public void setBgColorId(int id) { //设置背景颜色
         if (id != mBgColorId) {
             mBgColorId = id;
             if (mNoteSettingStatusListener != null) {
@@ -257,7 +257,7 @@ public class WorkingNote {
         }
     }
 
-    public void setCheckListMode(int mode) {
+    public void setCheckListMode(int mode) {//检查Mode
         if (mMode != mode) {
             if (mNoteSettingStatusListener != null) {
                 mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode);
@@ -267,7 +267,7 @@ public class WorkingNote {
         }
     }
 
-    public void setWidgetType(int type) {
+    public void setWidgetType(int type) { //设置widget，参数为type，下面一个参数为ID
         if (type != mWidgetType) {
             mWidgetType = type;
             mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType));
@@ -281,11 +281,11 @@ public class WorkingNote {
         }
     }
 
-    public void setWorkingText(String text) {
+    public void setWorkingText(String text) { //设置workingText，参数为更改的text
         if (!TextUtils.equals(mContent, text)) {
             mContent = text;
             mNote.setTextData(DataColumns.CONTENT, mContent);
-        }
+        }//调用Note的setTextData更改Text
     }
 
     public void convertToCallNote(String phoneNumber, long callDate) {
@@ -297,52 +297,52 @@ public class WorkingNote {
     public boolean hasClockAlert() {
         return (mAlertDate > 0 ? true : false);
     }
-
+//判断是否有时钟题型
     public String getContent() {
         return mContent;
     }
-
+//获取content
     public long getAlertDate() {
         return mAlertDate;
     }
-
+    //获取tAlertDate
     public long getModifiedDate() {
         return mModifiedDate;
     }
-
+    //获取ModifiedDate
     public int getBgColorResId() {
         return NoteBgResources.getNoteBgResource(mBgColorId);
     }
-
+    //获取背景颜色来源ID
     public int getBgColorId() {
         return mBgColorId;
     }
-
+//获取背景颜色ID
     public int getTitleBgResId() {
         return NoteBgResources.getNoteTitleBgResource(mBgColorId);
     }
-
+//获取标题背景颜色ID
     public int getCheckListMode() {
         return mMode;
     }
-
+  //获取CheckListMode
     public long getNoteId() {
         return mNoteId;
     }
-
+      //获取便签ID
     public long getFolderId() {
         return mFolderId;
     }
-
+//获取文件夹ID
     public int getWidgetId() {
         return mWidgetId;
     }
-
+//获取WidgetId
     public int getWidgetType() {
         return mWidgetType;
     }
-
-    public interface NoteSettingChangedListener {
+//获取WidgetType
+    public interface NoteSettingChangedListener { //创建NoteSettingChangedListener接口，便签更新监视
         /**
          * Called when the background color of current note has just changed
          */
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/tool/BackupUtils.java b/src/Notes-master1/app/src/main/java/net/micode/notes/tool/BackupUtils.java
index 39f6ec4..9f761c9 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/tool/BackupUtils.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/tool/BackupUtils.java
@@ -42,6 +42,7 @@ public class BackupUtils {
     private static BackupUtils sInstance;
 
     public static synchronized BackupUtils getInstance(Context context) {
+        //synchronized关键字，表示这个方法加锁，无论那个线程到这里都得检查其他线程有没有正在使用这个线程
         if (sInstance == null) {
             sInstance = new BackupUtils(context);
         }
@@ -68,8 +69,8 @@ public class BackupUtils {
     private BackupUtils(Context context) {
         mTextExport = new TextExport(context);
     }
-
-    private static boolean externalStorageAvailable() {
+//初始化工作
+    private static boolean externalStorageAvailable() {  //外部存储是否可用
         return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
     }
 
@@ -128,19 +129,20 @@ public class BackupUtils {
         public TextExport(Context context) {
             TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note);
             mContext = context;
-            mFileName = "";
+            mFileName = "";//为空，只是为了进行初始化可用，后序再进行重命名，下面一个也是
             mFileDirectory = "";
         }
 
         private String getFormat(int id) {
             return TEXT_FORMAT[id];
-        }
+        } //获取文本组成部分
 
         /**
          * Export the folder identified by folder id to text
          */
         private void exportFolderToText(String folderId, PrintStream ps) {
             // Query notes belong to this folder
+            //查询属于folder下的note
             Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI,
                     NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] {
                         folderId
@@ -149,13 +151,13 @@ public class BackupUtils {
             if (notesCursor != null) {
                 if (notesCursor.moveToFirst()) {
                     do {
-                        // Print note's last modified date
+                        // Print note's last modified date 打印最后更新的日志
                         ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format(
                                 mContext.getString(R.string.format_datetime_mdhm),
                                 notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE))));
                         // Query data belong to this note
                         String noteId = notesCursor.getString(NOTE_COLUMN_ID);
-                        exportNoteToText(noteId, ps);
+                        exportNoteToText(noteId, ps); //文件导出到text
                     } while (notesCursor.moveToNext());
                 }
                 notesCursor.close();
@@ -171,7 +173,7 @@ public class BackupUtils {
                         noteId
                     }, null);
 
-            if (dataCursor != null) {
+            if (dataCursor != null) {//光标扫描，区别call note 和note两种便签
                 if (dataCursor.moveToFirst()) {
                     do {
                         String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE);
@@ -218,7 +220,7 @@ public class BackupUtils {
         /**
          * Note will be exported as text which is user readable
          */
-        public int exportToText() {
+        public int exportToText() { //总函数，调用上面的两个函数
             if (!externalStorageAvailable()) {
                 Log.d(TAG, "Media was not mounted");
                 return STATE_SD_CARD_UNMOUONTED;
@@ -257,7 +259,7 @@ public class BackupUtils {
                 folderCursor.close();
             }
 
-            // Export notes in root's folder
+            // Export notes in root's folder  导出便签
             Cursor noteCursor = mContext.getContentResolver().query(
                     Notes.CONTENT_NOTE_URI,
                     NOTE_PROJECTION,
@@ -297,7 +299,7 @@ public class BackupUtils {
             PrintStream ps = null;
             try {
                 FileOutputStream fos = new FileOutputStream(file);
-                ps = new PrintStream(fos);
+                ps = new PrintStream(fos); //将PS输出流输出到选定的文件，目的就是导出到文件而不是直接输出
             } catch (FileNotFoundException e) {
                 e.printStackTrace();
                 return null;
@@ -315,15 +317,15 @@ public class BackupUtils {
     private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) {
         StringBuilder sb = new StringBuilder();
         sb.append(Environment.getExternalStorageDirectory());
-        sb.append(context.getString(filePathResId));
-        File filedir = new File(sb.toString());
+        sb.append(context.getString(filePathResId));//文件的存储路径
+        File filedir = new File(sb.toString());//filedir用来存储路径信息
         sb.append(context.getString(
                 fileNameFormatResId,
                 DateFormat.format(context.getString(R.string.format_date_ymd),
                         System.currentTimeMillis())));
         File file = new File(sb.toString());
 
-        try {
+        try { //如果这些文件不存在，则新建一个
             if (!filedir.exists()) {
                 filedir.mkdir();
             }
@@ -335,7 +337,7 @@ public class BackupUtils {
             e.printStackTrace();
         } catch (IOException e) {
             e.printStackTrace();
-        }
+        }//异常处理
 
         return null;
     }
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/tool/DataUtils.java b/src/Notes-master1/app/src/main/java/net/micode/notes/tool/DataUtils.java
index 2a14982..d3fd844 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/tool/DataUtils.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/tool/DataUtils.java
@@ -52,13 +52,14 @@ public class DataUtils {
             if(id == Notes.ID_ROOT_FOLDER) {
                 Log.e(TAG, "Don't delete system folder root");
                 continue;
-            }
+            }//如果是根文件夹则不删除
             ContentProviderOperation.Builder builder = ContentProviderOperation
                     .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
             operationList.add(builder.build());
         }
         try {
             ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
+            //数据库事务，由一组数据库操作序列组成作为一个整体被执行
             if (results == null || results.length == 0 || results[0] == null) {
                 Log.d(TAG, "delete notes failed, ids:" + ids.toString());
                 return false;
@@ -78,7 +79,7 @@ public class DataUtils {
         values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId);
         values.put(NoteColumns.LOCAL_MODIFIED, 1);
         resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null);
-    }
+    }//将ids里包含的数据依次家儒operationList中，等待处理
 
     public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids,
             long folderId) {
@@ -119,7 +120,7 @@ public class DataUtils {
                 new String[] { "COUNT(*)" },
                 NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
                 new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
-                null);
+                null);//查询条件，type符合且不属于垃圾文件夹
 
         int count = 0;
         if(cursor != null) {
@@ -142,7 +143,7 @@ public class DataUtils {
                 NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
                 new String [] {String.valueOf(type)},
                 null);
-
+    //通过名字查询是否存在
         boolean exist = false;
         if (cursor != null) {
             if (cursor.getCount() > 0) {
@@ -250,7 +251,7 @@ public class DataUtils {
                 + CallNote.PHONE_NUMBER + ",?)",
                 new String [] { String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber },
                 null);
-
+        //通过数据库操作，查询条件是传入的参数
         if (cursor != null) {
             if (cursor.moveToFirst()) {
                 try {
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/tool/GTaskStringUtils.java b/src/Notes-master1/app/src/main/java/net/micode/notes/tool/GTaskStringUtils.java
index 666b729..e5473b6 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/tool/GTaskStringUtils.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/tool/GTaskStringUtils.java
@@ -16,7 +16,7 @@
 
 package net.micode.notes.tool;
 
-public class GTaskStringUtils {
+public class GTaskStringUtils { //这个类就是定义一堆静态数据，为jsonObject提供key，把这些定义全部写到一个类里面
 
     public final static String GTASK_JSON_ACTION_ID = "action_id";
 
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/tool/ResourceParser.java b/src/Notes-master1/app/src/main/java/net/micode/notes/tool/ResourceParser.java
index 1ad3ad6..1b7d08d 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/tool/ResourceParser.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/tool/ResourceParser.java
@@ -64,7 +64,7 @@ public class ResourceParser {
             return BG_EDIT_TITLE_RESOURCES[id];
         }
     }
-
+//直接获取背景颜色
     public static int getDefaultBgId(Context context) {
         if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
                 NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
@@ -168,6 +168,7 @@ public class ResourceParser {
              * The id may larger than the length of resources, in this case,
              * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE}
              */
+            //如果输入的id大于资源总量，则自动返回默认的设置结果
             if (id >= TEXTAPPEARANCE_RESOURCES.length) {
                 return BG_DEFAULT_FONT_SIZE;
             }
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java
index 85723be..e9fdb28 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java
@@ -13,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package net.micode.notes.ui;
 
 import android.app.Activity;
@@ -39,58 +38,81 @@ import net.micode.notes.tool.DataUtils;
 
 import java.io.IOException;
 
-
 public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
-    private long mNoteId;
-    private String mSnippet;
+    private long mNoteId;      //文本在数据库存储中的ID号
+    private String mSnippet;   //闹钟提示时出现的文本片段
     private static final int SNIPPET_PREW_MAX_LEN = 60;
     MediaPlayer mPlayer;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        //Bundle类型的数据与Map类型的数据相似，都是以key-value的形式存储数据的
+        //onsaveInstanceState方法是用来保存Activity的状态的
+        //能从onCreate的参数savedInsanceState中获得状态数据
         requestWindowFeature(Window.FEATURE_NO_TITLE);
+        //界面显示——无标题
 
         final Window win = getWindow();
         win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
 
         if (!isScreenOn()) {
             win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
+                    //保持窗体点亮
                     | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
+                    //将窗体点亮
                     | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
+                    //允许窗体点亮时锁屏
                     | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
-        }
+        }//在手机锁屏后如果到了闹钟提示时间，点亮屏幕
 
         Intent intent = getIntent();
 
         try {
             mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
             mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
+            //根据ID从数据库中获取标签的内容；
+            //getContentResolver（）是实现数据共享，实例存储。
             mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
                     SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
                     : mSnippet;
+            //判断标签片段是否达到符合长度
         } catch (IllegalArgumentException e) {
             e.printStackTrace();
             return;
         }
-
+        /*
+        try
+        {
+        	// 代码区
+        }
+        catch(Exception e)
+        {
+        	// 异常处理
+        }
+                     代码区如果有错误，就会返回所写异常的处理。*/
         mPlayer = new MediaPlayer();
         if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
             showActionDialog();
+            //弹出对话框
             playAlarmSound();
+            //闹钟提示音激发
         } else {
             finish();
+            //完成闹钟动作
         }
     }
 
     private boolean isScreenOn() {
+        //判断屏幕是否锁屏，调用系统函数判断，最后返回值是布尔类型
         PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
         return pm.isScreenOn();
     }
 
     private void playAlarmSound() {
+        //闹钟提示音激发
         Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
-
+        //调用系统的铃声管理URI，得到闹钟提示音
         int silentModeStreams = Settings.System.getInt(getContentResolver(),
                 Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
 
@@ -101,12 +123,19 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
         }
         try {
             mPlayer.setDataSource(this, url);
+            //方法：setDataSource(Context context, Uri uri)
+            //解释：无返回值，设置多媒体数据来源【根据 Uri】
             mPlayer.prepare();
+            //准备同步
             mPlayer.setLooping(true);
+            //设置是否循环播放
             mPlayer.start();
+            //开始播放
         } catch (IllegalArgumentException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
+            //e.printStackTrace()函数功能是抛出异常， 还将显示出更深的调用信息
+            //System.out.println(e)，这个方法打印出异常，并且输出在哪里出现的异常
         } catch (SecurityException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
@@ -121,37 +150,57 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
 
     private void showActionDialog() {
         AlertDialog.Builder dialog = new AlertDialog.Builder(this);
+        //AlertDialog的构造方法全部是Protected的
+        //所以不能直接通过new一个AlertDialog来创建出一个AlertDialog。
+        //要创建一个AlertDialog，就要用到AlertDialog.Builder中的create()方法
+        //如这里的dialog就是新建了一个AlertDialog
         dialog.setTitle(R.string.app_name);
+        //为对话框设置标题
         dialog.setMessage(mSnippet);
+        //为对话框设置内容
         dialog.setPositiveButton(R.string.notealert_ok, this);
+        //给对话框添加"Yes"按钮
         if (isScreenOn()) {
             dialog.setNegativeButton(R.string.notealert_enter, this);
-        }
+        }//对话框添加"No"按钮
         dialog.show().setOnDismissListener(this);
     }
 
     public void onClick(DialogInterface dialog, int which) {
         switch (which) {
+            //用which来选择click后下一步的操作
             case DialogInterface.BUTTON_NEGATIVE:
+                //这是取消操作
                 Intent intent = new Intent(this, NoteEditActivity.class);
+                //实现两个类间的数据传输
                 intent.setAction(Intent.ACTION_VIEW);
+                //设置动作属性
                 intent.putExtra(Intent.EXTRA_UID, mNoteId);
+                //实现key-value对
+                //EXTRA_UID为key；mNoteId为键
                 startActivity(intent);
+                //开始动作
                 break;
             default:
+                //这是确定操作
                 break;
         }
     }
 
     public void onDismiss(DialogInterface dialog) {
+        //忽略
         stopAlarmSound();
+        //停止闹钟声音
         finish();
+        //完成该动作
     }
 
     private void stopAlarmSound() {
         if (mPlayer != null) {
             mPlayer.stop();
+            //停止播放
             mPlayer.release();
+            //释放MediaPlayer对象
             mPlayer = null;
         }
     }
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java
index f221202..7f03f69 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java
@@ -34,17 +34,20 @@ public class AlarmInitReceiver extends BroadcastReceiver {
         NoteColumns.ID,
         NoteColumns.ALERTED_DATE
     };
-
+    //对数据库的操作，调用标签ID和闹钟时间
     private static final int COLUMN_ID                = 0;
     private static final int COLUMN_ALERTED_DATE      = 1;
 
     @Override
     public void onReceive(Context context, Intent intent) {
         long currentDate = System.currentTimeMillis();
+        //System.currentTimeMillis()产生一个当前的毫秒
+        //这个毫秒其实就是自1970年1月1日0时起的毫秒数
         Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
                 PROJECTION,
                 NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
                 new String[] { String.valueOf(currentDate) },
+                //将long变量currentDate转化为字符串
                 null);
 
         if (c != null) {
@@ -61,5 +64,8 @@ public class AlarmInitReceiver extends BroadcastReceiver {
             }
             c.close();
         }
+        //然而通过网上查找资料发现，对于闹钟机制的启动，通常需要上面的几个步骤
+        //如新建Intent、PendingIntent以及AlarmManager等
+        //这里就是根据数据库里的闹钟时间创建一个闹钟机制
     }
 }
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java
index 54e503b..8d7492d 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java
@@ -20,11 +20,15 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 
-public class AlarmReceiver extends BroadcastReceiver {
+public class AlarmReceiver extends BroadcastReceiver {//类：闹钟消息接收器，从BroadcastReceiver类继承而来
     @Override
     public void onReceive(Context context, Intent intent) {
         intent.setClass(context, AlarmAlertActivity.class);
+        //启动AlarmAlertActivity
         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        //activity要存在于activity的栈中，而非activity的途径启动activity时必然不存在一个activity的栈
+        //所以要新起一个栈装入启动的activity
         context.startActivity(intent);
     }
 }
+//这是实现alarm这个功能最接近用户层的包，基于上面的两个包，
\ No newline at end of file
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DateTimePicker.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DateTimePicker.java
index 496b0cd..11a8469 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DateTimePicker.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DateTimePicker.java
@@ -28,7 +28,8 @@ import android.view.View;
 import android.widget.FrameLayout;
 import android.widget.NumberPicker;
 
-public class DateTimePicker extends FrameLayout {
+public class DateTimePicker extends FrameLayout {//FrameLayout是布局模板之一
+    //所有的子元素全部在屏幕的右上方
 
     private static final boolean DEFAULT_ENABLE_STATE = true;
 
@@ -45,13 +46,16 @@ public class DateTimePicker extends FrameLayout {
     private static final int MINUT_SPINNER_MAX_VAL = 59;
     private static final int AMPM_SPINNER_MIN_VAL = 0;
     private static final int AMPM_SPINNER_MAX_VAL = 1;
-
+    //初始化控件
     private final NumberPicker mDateSpinner;
     private final NumberPicker mHourSpinner;
     private final NumberPicker mMinuteSpinner;
     private final NumberPicker mAmPmSpinner;
-    private Calendar mDate;
+    //NumberPicker是数字选择器
+    //这里定义的四个变量全部是在设置闹钟时需要选择的变量（如日期、时、分、上午或者下午）
 
+    private Calendar mDate;
+    //定义了Calendar类型的变量mDate，用于操作时间
     private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
 
     private boolean mIsAm;
@@ -71,41 +75,48 @@ public class DateTimePicker extends FrameLayout {
             updateDateControl();
             onDateTimeChanged();
         }
-    };
+    };//OnValueChangeListener，这是时间改变监听器，这里主要是对日期的监听
+    //将现在日期的值传递给mDate；updateDateControl是同步操作
 
     private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
+        //这里是对 小时（Hour） 的监听
         @Override
         public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
             boolean isDateChanged = false;
             Calendar cal = Calendar.getInstance();
+            //声明一个Calendar的变量cal，便于后续的操作
             if (!mIs24HourView) {
                 if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) {
                     cal.setTimeInMillis(mDate.getTimeInMillis());
                     cal.add(Calendar.DAY_OF_YEAR, 1);
                     isDateChanged = true;
+                    //这里是对于12小时制时，晚上11点和12点交替时对日期的更改
                 } else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
                     cal.setTimeInMillis(mDate.getTimeInMillis());
                     cal.add(Calendar.DAY_OF_YEAR, -1);
                     isDateChanged = true;
-                }
+                }//这里是对于12小时制时，凌晨11点和12点交替时对日期的更改
                 if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY ||
                         oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
                     mIsAm = !mIsAm;
                     updateAmPmControl();
-                }
+                }//这里是对于12小时制时，中午11点和12点交替时对AM和PM的更改
             } else {
                 if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
                     cal.setTimeInMillis(mDate.getTimeInMillis());
                     cal.add(Calendar.DAY_OF_YEAR, 1);
                     isDateChanged = true;
+                    //这里是对于24小时制时，晚上11点和12点交替时对日期的更改
                 } else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
                     cal.setTimeInMillis(mDate.getTimeInMillis());
                     cal.add(Calendar.DAY_OF_YEAR, -1);
                     isDateChanged = true;
                 }
-            }
+            }//这里是对于12小时制时，凌晨11点和12点交替时对日期的更改
             int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);
+            //通过数字选择器对newHour的赋值
             mDate.set(Calendar.HOUR_OF_DAY, newHour);
+            //通过set函数将新的Hour值传给mDate
             onDateTimeChanged();
             if (isDateChanged) {
                 setCurrentYear(cal.get(Calendar.YEAR));
@@ -117,15 +128,18 @@ public class DateTimePicker extends FrameLayout {
 
     private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
         @Override
+        //这里是对 分钟（Minute）改变的监听
         public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
             int minValue = mMinuteSpinner.getMinValue();
             int maxValue = mMinuteSpinner.getMaxValue();
             int offset = 0;
+            //设置offset，作为小时改变的一个记录数据
             if (oldVal == maxValue && newVal == minValue) {
                 offset += 1;
             } else if (oldVal == minValue && newVal == maxValue) {
                 offset -= 1;
-            }
+            }//如果原值为59，新值为0，则offset加1
+            //如果原值为0，新值为59，则offset减1
             if (offset != 0) {
                 mDate.add(Calendar.HOUR_OF_DAY, offset);
                 mHourSpinner.setValue(getCurrentHour());
@@ -145,6 +159,7 @@ public class DateTimePicker extends FrameLayout {
     };
 
     private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
+        //对AM和PM的监听
         @Override
         public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
             mIsAm = !mIsAm;
@@ -161,23 +176,25 @@ public class DateTimePicker extends FrameLayout {
     public interface OnDateTimeChangedListener {
         void onDateTimeChanged(DateTimePicker view, int year, int month,
                 int dayOfMonth, int hourOfDay, int minute);
-    }
+    }//接口：日期变化监听器
 
     public DateTimePicker(Context context) {
         this(context, System.currentTimeMillis());
     }
-
+//方法：实例化时间日期选择器
     public DateTimePicker(Context context, long date) {
         this(context, date, DateFormat.is24HourFormat(context));
-    }
+    }//通过对数据库的访问，获取当前的系统时间
 
     public DateTimePicker(Context context, long date, boolean is24HourView) {
-        super(context);
+        super(context);//获取系统时间
         mDate = Calendar.getInstance();
         mInitialising = true;
         mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
         inflate(context, R.layout.datetime_picker, this);
-
+        //如果当前Activity里用到别的layout，比如对话框layout
+        //还要设置这个layout上的其他组件的内容，就必须用inflate()方法先将对话框的layout找出来
+        //然后再用findViewById()找到它上面的其它组件
         mDateSpinner = (NumberPicker) findViewById(R.id.date);
         mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
         mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
@@ -215,22 +232,22 @@ public class DateTimePicker extends FrameLayout {
     }
 
     @Override
-    public void setEnabled(boolean enabled) {
+    public void setEnabled(boolean enabled) {//方法：将转轮设置为使能状态
         if (mIsEnabled == enabled) {
             return;
         }
         super.setEnabled(enabled);
-        mDateSpinner.setEnabled(enabled);
+        mDateSpinner.setEnabled(enabled);//语句：分别对四个分部件设置使能
         mMinuteSpinner.setEnabled(enabled);
         mHourSpinner.setEnabled(enabled);
         mAmPmSpinner.setEnabled(enabled);
-        mIsEnabled = enabled;
+        mIsEnabled = enabled;//修改标志变量
     }
 
     @Override
     public boolean isEnabled() {
         return mIsEnabled;
-    }
+    }//函数：判断当前的时间日期选择器是否处于启用的的状态
 
     /**
      * Get the current date in millis
@@ -240,7 +257,7 @@ public class DateTimePicker extends FrameLayout {
     public long getCurrentDateInTimeMillis() {
         return mDate.getTimeInMillis();
     }
-
+//实现函数——得到当前的秒数
     /**
      * Set the current date
      *
@@ -251,7 +268,7 @@ public class DateTimePicker extends FrameLayout {
         cal.setTimeInMillis(date);
         setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH),
                 cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE));
-    }
+    }//实现函数功能——设置当前的时间，参数是date
 
     /**
      * Set the current date
@@ -269,13 +286,14 @@ public class DateTimePicker extends FrameLayout {
         setCurrentDay(dayOfMonth);
         setCurrentHour(hourOfDay);
         setCurrentMinute(minute);
-    }
+    }//实现函数功能——设置当前的时间，参数是各详细的变量
 
     /**
      * Get current year
      *
      * @return The current year
      */
+    //下面是得到year、month、day等值
     public int getCurrentYear() {
         return mDate.get(Calendar.YEAR);
     }
@@ -422,12 +440,12 @@ public class DateTimePicker extends FrameLayout {
      *
      * @param is24HourView True for 24 hour mode. False for AM/PM mode.
      */
-    public void set24HourView(boolean is24HourView) {
+    public void set24HourView(boolean is24HourView) {//函数：设置24小时下的视图
         if (mIs24HourView == is24HourView) {
             return;
         }
         mIs24HourView = is24HourView;
-        mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);
+        mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);// 语句：如果为12小时视图则显示上下午选择
         int hour = getCurrentHourOfDay();
         updateHourControl();
         setCurrentHour(hour);
@@ -446,7 +464,7 @@ public class DateTimePicker extends FrameLayout {
         mDateSpinner.setDisplayedValues(mDateDisplayValues);
         mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
         mDateSpinner.invalidate();
-    }
+    }// 对于星期几的算法
 
     private void updateAmPmControl() {
         if (mIs24HourView) {
@@ -455,7 +473,7 @@ public class DateTimePicker extends FrameLayout {
             int index = mIsAm ? Calendar.AM : Calendar.PM;
             mAmPmSpinner.setValue(index);
             mAmPmSpinner.setVisibility(View.VISIBLE);
-        }
+        }// 对于上下午操作的算法
     }
 
     private void updateHourControl() {
@@ -465,7 +483,7 @@ public class DateTimePicker extends FrameLayout {
         } else {
             mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
             mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
-        }
+        }// 对与小时的算法
     }
 
     /**
@@ -473,10 +491,11 @@ public class DateTimePicker extends FrameLayout {
      * @param callback the callback, if null will do nothing
      */
     public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
+        //函数：根据参数设置时间日期监听器
         mOnDateTimeChangedListener = callback;
     }
 
-    private void onDateTimeChanged() {
+    private void onDateTimeChanged() {//函数：监听日期时间的变化
         if (mOnDateTimeChangedListener != null) {
             mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
                     getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java
index 2c47ba4..b35a4cf 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java
@@ -32,18 +32,24 @@ import android.text.format.DateUtils;
 public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
 
     private Calendar mDate = Calendar.getInstance();
+    //创建一个Calendar类型的变量 mDate，方便时间的操作
     private boolean mIs24HourView;
     private OnDateTimeSetListener mOnDateTimeSetListener;
+    //声明一个时间日期滚动选择控件 mOnDateTimeSetListener
     private DateTimePicker mDateTimePicker;
-
+    //DateTimePicker控件，控件一般用于让用户可以从日期列表中选择单个值。
+    //运行时，单击控件边上的下拉箭头，会显示为两个部分：一个下拉列表，一个用于选择日期的
     public interface OnDateTimeSetListener {
+        //设置一个接口当时期时间设置时进行的操作
         void OnDateTimeSet(AlertDialog dialog, long date);
     }
 
     public DateTimePickerDialog(Context context, long date) {
+        //对该界面对话框的实例化
         super(context);
+        //对数据库的操作
         mDateTimePicker = new DateTimePicker(context);
-        setView(mDateTimePicker);
+        setView(mDateTimePicker);//添加一个子视图
         mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
             public void onDateTimeChanged(DateTimePicker view, int year, int month,
                     int dayOfMonth, int hourOfDay, int minute) {
@@ -51,18 +57,18 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
                 mDate.set(Calendar.MONTH, month);
                 mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
                 mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
-                mDate.set(Calendar.MINUTE, minute);
+                mDate.set(Calendar.MINUTE, minute);//将视图中的各选项设置为系统当前时间
                 updateTitle(mDate.getTimeInMillis());
             }
         });
-        mDate.setTimeInMillis(date);
-        mDate.set(Calendar.SECOND, 0);
+        mDate.setTimeInMillis(date);//得到系统时间
+        mDate.set(Calendar.SECOND, 0);//将秒数设置为0
         mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
         setButton(context.getString(R.string.datetime_dialog_ok), this);
-        setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);
-        set24HourView(DateFormat.is24HourFormat(this.getContext()));
+        setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);//设置按钮
+        set24HourView(DateFormat.is24HourFormat(this.getContext()));//时间标准化打印
         updateTitle(mDate.getTimeInMillis());
-    }
+    }//将时间日期滚动选择控件实例化
 
     public void set24HourView(boolean is24HourView) {
         mIs24HourView = is24HourView;
@@ -70,7 +76,7 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
 
     public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
         mOnDateTimeSetListener = callBack;
-    }
+    }//将时间日期滚动选择控件实例化
 
     private void updateTitle(long date) {
         int flag =
@@ -79,12 +85,12 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
             DateUtils.FORMAT_SHOW_TIME;
         flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
         setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
-    }
+    }//android开发中常见日期管理工具类（API）——DateUtils：按照上下午显示时间
 
     public void onClick(DialogInterface arg0, int arg1) {
         if (mOnDateTimeSetListener != null) {
             mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());
         }
-    }
-
+    }//第一个参数arg0是接收到点击事件的对话框
+    //第二个参数arg1是该对话框上的按钮
 }
\ No newline at end of file
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DropdownMenu.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DropdownMenu.java
index 613dc74..0c4b307 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DropdownMenu.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DropdownMenu.java
@@ -30,14 +30,18 @@ import net.micode.notes.R;
 public class DropdownMenu {
     private Button mButton;
     private PopupMenu mPopupMenu;
+    //声明一个下拉菜单
     private Menu mMenu;
 
     public DropdownMenu(Context context, Button button, int menuId) {
         mButton = button;
         mButton.setBackgroundResource(R.drawable.dropdown_icon);
+        //设置这个view的背景
         mPopupMenu = new PopupMenu(context, mButton);
         mMenu = mPopupMenu.getMenu();
         mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
+        //MenuInflater是用来实例化Menu目录下的Menu布局文件
+        //根据ID来确认menu的内容选项
         mButton.setOnClickListener(new OnClickListener() {
             public void onClick(View v) {
                 mPopupMenu.show();
@@ -48,14 +52,14 @@ public class DropdownMenu {
     public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
         if (mPopupMenu != null) {
             mPopupMenu.setOnMenuItemClickListener(listener);
-        }
+        }//设置菜单的监听
     }
 
     public MenuItem findItem(int id) {
         return mMenu.findItem(id);
-    }
+    }//对于菜单选项的初始化，根据索引搜索菜单需要的选项
 
     public void setTitle(CharSequence title) {
         mButton.setText(title);
-    }
-}
+    }//布局文件，设置标题
+}
\ No newline at end of file
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java
index 96b77da..2c5853d 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java
@@ -30,10 +30,14 @@ import net.micode.notes.data.Notes.NoteColumns;
 
 
 public class FoldersListAdapter extends CursorAdapter {
+    //CursorAdapter是Cursor和ListView的接口
+    //FoldersListAdapter继承了CursorAdapter的类
+    //主要作用是便签数据库和用户的交互
+    //这里就是用folder（文件夹）的形式展现给用户
     public static final String [] PROJECTION = {
-        NoteColumns.ID,
-        NoteColumns.SNIPPET
-    };
+            NoteColumns.ID,
+            NoteColumns.SNIPPET
+    };//调用数据库中便签的ID和片段
 
     public static final int ID_COLUMN   = 0;
     public static final int NAME_COLUMN = 1;
@@ -41,12 +45,13 @@ public class FoldersListAdapter extends CursorAdapter {
     public FoldersListAdapter(Context context, Cursor c) {
         super(context, c);
         // TODO Auto-generated constructor stub
-    }
+    }//数据库操作
 
     @Override
     public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        //ViewGroup是容器
         return new FolderListItem(context);
-    }
+    }//创建一个文件夹，对于各文件夹中子标签的初始化
 
     @Override
     public void bindView(View view, Context context, Cursor cursor) {
@@ -55,26 +60,28 @@ public class FoldersListAdapter extends CursorAdapter {
                     .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
             ((FolderListItem) view).bind(folderName);
         }
-    }
+    }//将各个布局文件绑定起来
 
     public String getFolderName(Context context, int position) {
         Cursor cursor = (Cursor) getItem(position);
         return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
                 .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
-    }
+    }//根据数据库中标签的ID得到标签的各项内容
 
     private class FolderListItem extends LinearLayout {
         private TextView mName;
 
         public FolderListItem(Context context) {
             super(context);
+            //操作数据库
             inflate(context, R.layout.folder_list_item, this);
+            //根据布局文件的名字等信息将其找出来
             mName = (TextView) findViewById(R.id.tv_folder_name);
         }
 
         public void bind(String name) {
-            mName.setText(name);
+            mName.setText(name);//设置名字
         }
     }
 
-}
+}
\ No newline at end of file
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java
index 96a9ff8..9bbbb97 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java
@@ -74,6 +74,8 @@ import java.util.regex.Pattern;
 
 public class NoteEditActivity extends Activity implements OnClickListener,
         NoteSettingChangedListener, OnTextViewChangeListener {
+    //该类主要是针对标签的编辑
+    //继承了系统内部许多和监听有关的类
     private class HeadViewHolder {
         public TextView tvModified;
 
@@ -83,7 +85,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
 
         public ImageView ibSetBgColor;
     }
-
+    //使用Map实现数据存储
     private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>();
     static {
         sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
@@ -91,6 +93,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE);
         sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN);
         sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE);
+        //put函数是将指定值和指定键相连
     }
 
     private static final Map<Integer, Integer> sBgSelectorSelectionMap = new HashMap<Integer, Integer>();
@@ -100,6 +103,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select);
         sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select);
         sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select);
+        //put函数是将指定值和指定键相连
     }
 
     private static final Map<Integer, Integer> sFontSizeBtnsMap = new HashMap<Integer, Integer>();
@@ -108,6 +112,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL);
         sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM);
         sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER);
+        //put函数是将指定值和指定键相连
     }
 
     private static final Map<Integer, Integer> sFontSelectorSelectionMap = new HashMap<Integer, Integer>();
@@ -116,6 +121,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select);
         sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select);
         sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select);
+        //put函数是将指定值和指定键相连
     }
 
     private static final String TAG = "NoteEditActivity";
@@ -123,20 +129,23 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     private HeadViewHolder mNoteHeaderHolder;
 
     private View mHeadViewPanel;
-
+    //私有化一个界面操作mHeadViewPanel，对表头的操作
     private View mNoteBgColorSelector;
-
+    //私有化一个界面操作mNoteBgColorSelector，对背景颜色的操作
     private View mFontSizeSelector;
-
+    //私有化一个界面操作mFontSizeSelector，对标签字体的操作
     private EditText mNoteEditor;
-
+    //声明编辑控件，对文本操作
     private View mNoteEditorPanel;
-
-    private WorkingNote mWorkingNote;
-
+    //私有化一个界面操作mNoteEditorPanel，文本编辑的控制板
+    //private WorkingNote mWorkingNote;
+    public WorkingNote mWorkingNote;
+    //对模板WorkingNote的初始化
     private SharedPreferences mSharedPrefs;
+    //私有化SharedPreferences的数据存储方式
+    //它的本质是基于XML文件存储key-value键值对数据
     private int mFontSizeId;
-
+    //用于操作字体的大小
     private static final String PREFERENCE_FONT_SIZE = "pref_font_size";
 
     private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10;
@@ -145,7 +154,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     public static final String TAG_UNCHECKED = String.valueOf('\u25A1');
 
     private LinearLayout mEditTextList;
-
+    //线性布局
     private String mUserQuery;
     private Pattern mPattern;
 
@@ -153,7 +162,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         this.setContentView(R.layout.note_edit);
-
+        //对数据库的访问操作
         if (savedInstanceState == null && !initActivityState(getIntent())) {
             finish();
             return;
@@ -176,7 +185,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
                 return;
             }
             Log.d(TAG, "Restoring from killed activity");
-        }
+        }//为防止内存不足时程序的终止，在这里有一个保存现场的函数
     }
 
     private boolean initActivityState(Intent intent) {
@@ -188,34 +197,42 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {
             long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0);
             mUserQuery = "";
-
+            //如果用户实例化标签时，系统并未给出标签ID
             /**
              * Starting from the searched result
              */
+            //根据键值查找ID
             if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {
                 noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
                 mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY);
             }
-
+            //如果ID在数据库中未找到
             if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) {
                 Intent jump = new Intent(this, NotesListActivity.class);
                 startActivity(jump);
+                //程序将跳转到上面声明的intent——jump
                 showToast(R.string.error_note_not_exist);
                 finish();
                 return false;
-            } else {
+            }
+            //ID在数据库中找到
+            else {
                 mWorkingNote = WorkingNote.load(this, noteId);
                 if (mWorkingNote == null) {
                     Log.e(TAG, "load note failed with note id" + noteId);
+                    //打印出红色的错误信息
                     finish();
                     return false;
                 }
             }
+            //setSoftInputMode——软键盘输入模式
             getWindow().setSoftInputMode(
                     WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
                             | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
         } else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) {
-            // New note
+            // intent.getAction()
+            // 大多用于broadcast发送广播时给机制（intent）设置一个action，就是一个字符串
+            // 用户可以通过receive（接受）intent，通过 getAction得到的字符串，来决定做什么
             long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0);
             int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID,
                     AppWidgetManager.INVALID_APPWIDGET_ID);
@@ -223,7 +240,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
                     Notes.TYPE_WIDGET_INVALIDE);
             int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID,
                     ResourceParser.getDefaultBgId(this));
-
+            // intent.getInt（Long、String）Extra是对各变量的语法分析
             // Parse call-record note
             String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
             long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);
@@ -240,15 +257,17 @@ public class NoteEditActivity extends Activity implements OnClickListener,
                         finish();
                         return false;
                     }
+                    //将电话号码与手机的号码簿相关
                 } else {
                     mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId,
                             widgetType, bgResId);
                     mWorkingNote.convertToCallNote(phoneNumber, callDate);
+                    //
                 }
             } else {
                 mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType,
                         bgResId);
-            }
+            }//创建一个新的WorkingNote
 
             getWindow().setSoftInputMode(
                     WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
@@ -269,8 +288,10 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     }
 
     private void initNoteScreen() {
+        //对界面的初始化操作
         mNoteEditor.setTextAppearance(this, TextAppearanceResources
                 .getTexAppearanceResource(mFontSizeId));
+        //设置外观
         if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
             switchToListMode(mWorkingNote.getContent());
         } else {
@@ -294,18 +315,21 @@ public class NoteEditActivity extends Activity implements OnClickListener,
          */
         showAlertHeader();
     }
-
+    //设置闹钟的显示
     private void showAlertHeader() {
         if (mWorkingNote.hasClockAlert()) {
             long time = System.currentTimeMillis();
             if (time > mWorkingNote.getAlertDate()) {
                 mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired);
-            } else {
+            }
+            //如果系统时间大于了闹钟设置的时间，那么闹钟失效
+            else {
                 mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString(
                         mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS));
             }
             mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE);
             mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE);
+            //显示闹钟开启的图标
         } else {
             mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE);
             mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE);
@@ -329,26 +353,29 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         if (!mWorkingNote.existInDatabase()) {
             saveNote();
         }
+        //在创建一个新的标签时，先在数据库中匹配
+        //如果不存在，那么先在数据库中存储
         outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId());
         Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState");
     }
 
     @Override
+    //MotionEvent是对屏幕触控的传递机制
     public boolean dispatchTouchEvent(MotionEvent ev) {
         if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
                 && !inRangeOfView(mNoteBgColorSelector, ev)) {
             mNoteBgColorSelector.setVisibility(View.GONE);
             return true;
-        }
+        }//颜色选择器在屏幕上可见
 
         if (mFontSizeSelector.getVisibility() == View.VISIBLE
                 && !inRangeOfView(mFontSizeSelector, ev)) {
             mFontSizeSelector.setVisibility(View.GONE);
             return true;
-        }
+        }//字体大小选择器在屏幕上可见
         return super.dispatchTouchEvent(ev);
     }
-
+    //对屏幕触控的坐标进行操作
     private boolean inRangeOfView(View view, MotionEvent ev) {
         int []location = new int[2];
         view.getLocationOnScreen(location);
@@ -357,9 +384,11 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         if (ev.getX() < x
                 || ev.getX() > (x + view.getWidth())
                 || ev.getY() < y
-                || ev.getY() > (y + view.getHeight())) {
-                    return false;
-                }
+                || ev.getY() > (y + view.getHeight()))
+        //如果触控的位置超出了给定的范围，返回false
+        {
+            return false;
+        }
         return true;
     }
 
@@ -377,13 +406,13 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         for (int id : sBgSelectorBtnsMap.keySet()) {
             ImageView iv = (ImageView) findViewById(id);
             iv.setOnClickListener(this);
-        }
+        }//对标签各项属性内容的初始化
 
         mFontSizeSelector = findViewById(R.id.font_size_selector);
         for (int id : sFontSizeBtnsMap.keySet()) {
             View view = findViewById(id);
             view.setOnClickListener(this);
-        };
+        };//对字体大小的选择
         mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
         mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);
         /**
@@ -405,7 +434,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         }
         clearSettingState();
     }
-
+    //和桌面小工具的同步
     private void updateWidget() {
         Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
         if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) {
@@ -418,7 +447,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         }
 
         intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
-            mWorkingNote.getWidgetId()
+                mWorkingNote.getWidgetId()
         });
 
         sendBroadcast(intent);
@@ -450,7 +479,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
             }
             mFontSizeSelector.setVisibility(View.GONE);
         }
-    }
+    }//************************存在问题
 
     @Override
     public void onBackPressed() {
@@ -481,6 +510,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     }
 
     @Override
+    //对选择菜单的准备
     public boolean onPrepareOptionsMenu(Menu menu) {
         if (isFinishing()) {
             return true;
@@ -489,6 +519,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         menu.clear();
         if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) {
             getMenuInflater().inflate(R.menu.call_note_edit, menu);
+            // MenuInflater是用来实例化Menu目录下的Menu布局文件的
         } else {
             getMenuInflater().inflate(R.menu.note_edit, menu);
         }
@@ -506,45 +537,71 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     }
 
     @Override
+    /*
+     * 函数功能：动态改变菜单选项内容
+     * 函数实现：如下注释
+     */
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
+            //根据菜单的id来编剧相关项目
             case R.id.menu_new_note:
+                //创建一个新的便签
                 createNewNote();
                 break;
             case R.id.menu_delete:
+                //删除便签
                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
+                //创建关于删除操作的对话框
                 builder.setTitle(getString(R.string.alert_title_delete));
+                // 设置标签的标题为alert_title_delete
                 builder.setIcon(android.R.drawable.ic_dialog_alert);
+                //设置对话框图标
                 builder.setMessage(getString(R.string.alert_message_delete_note));
+                //设置对话框内容
                 builder.setPositiveButton(android.R.string.ok,
                         new DialogInterface.OnClickListener() {
+                            //建立按键监听器
                             public void onClick(DialogInterface dialog, int which) {
+                                //点击所触发事件
                                 deleteCurrentNote();
+                                //  删除单签便签
                                 finish();
                             }
                         });
+                //添加“YES”按钮
                 builder.setNegativeButton(android.R.string.cancel, null);
+                //添加“NO”的按钮
                 builder.show();
+                //显示对话框
                 break;
             case R.id.menu_font_size:
+                //字体大小的编辑
                 mFontSizeSelector.setVisibility(View.VISIBLE);
+                // 将字体选择器置为可见
                 findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
+                // 通过id找到相应的大小
                 break;
             case R.id.menu_list_mode:
+                //选择列表模式
                 mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ?
                         TextNote.MODE_CHECK_LIST : 0);
                 break;
             case R.id.menu_share:
+                //菜单共享
                 getWorkingText();
                 sendTo(this, mWorkingNote.getContent());
+                // 用sendto函数将运行文本发送到遍历的本文内
                 break;
             case R.id.menu_send_to_desktop:
+                //发送到桌面
                 sendToDesktop();
                 break;
             case R.id.menu_alert:
+                //创建提醒器
                 setReminder();
                 break;
             case R.id.menu_delete_remind:
+                //删除日期提醒
                 mWorkingNote.setAlertDate(0, false);
                 break;
             default:
@@ -553,111 +610,170 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         return true;
     }
 
+    /*
+     * 函数功能：建立事件提醒器
+     * 函数实现：如下注释
+     */
     private void setReminder() {
         DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis());
+        // 建立修改时间日期的对话框
         d.setOnDateTimeSetListener(new OnDateTimeSetListener() {
             public void OnDateTimeSet(AlertDialog dialog, long date) {
                 mWorkingNote.setAlertDate(date	, true);
+                //选择提醒的日期
             }
         });
+        //建立时间日期的监听器
         d.show();
+        //显示对话框
     }
 
     /**
      * Share note to apps that support {@link Intent#ACTION_SEND} action
      * and {@text/plain} type
      */
+    /*
+     * 函数功能：共享便签
+     * 函数实现：如下注释
+     */
     private void sendTo(Context context, String info) {
         Intent intent = new Intent(Intent.ACTION_SEND);
+        //建立intent链接选项
         intent.putExtra(Intent.EXTRA_TEXT, info);
+        //将需要传递的便签信息放入text文件中
         intent.setType("text/plain");
+        //编辑连接器的类型
         context.startActivity(intent);
+        //在acti中进行链接
     }
 
+    /*
+     * 函数功能：创建一个新的便签
+     * 函数实现：如下注释
+     */
     private void createNewNote() {
         // Firstly, save current editing notes
+        //保存当前便签
         saveNote();
 
         // For safety, start a new NoteEditActivity
         finish();
         Intent intent = new Intent(this, NoteEditActivity.class);
+        //设置链接器
         intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
+        //该活动定义为创建或编辑
         intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId());
+        //将运行便签的id添加到INTENT_EXTRA_FOLDER_ID标记中
         startActivity(intent);
+        //开始activity并链接
     }
 
+    /*
+     * 函数功能：删除当前便签
+     * 函数实现：如下注释
+     */
     private void deleteCurrentNote() {
         if (mWorkingNote.existInDatabase()) {
+            //假如当前运行的便签内存有数据
             HashSet<Long> ids = new HashSet<Long>();
             long id = mWorkingNote.getNoteId();
             if (id != Notes.ID_ROOT_FOLDER) {
                 ids.add(id);
+                //如果不是头文件夹建立一个hash表把便签id存起来
             } else {
                 Log.d(TAG, "Wrong note id, should not happen");
+                //否则报错
             }
             if (!isSyncMode()) {
+                //在非同步模式情况下
+                //删除操作
                 if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) {
                     Log.e(TAG, "Delete Note error");
                 }
             } else {
+                //同步模式
+                //移动至垃圾文件夹的操作
                 if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) {
                     Log.e(TAG, "Move notes to trash folder error, should not happens");
                 }
             }
         }
         mWorkingNote.markDeleted(true);
+        //将这些标签的删除标记置为true
     }
 
+    /*
+     * 函数功能：判断是否为同步模式
+     * 函数实现：直接看NotesPreferenceActivity中同步名称是否为空
+     */
     private boolean isSyncMode() {
         return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
     }
 
+    /*
+     * 函数功能：设置提醒时间
+     * 函数实现：如下注释
+     */
     public void onClockAlertChanged(long date, boolean set) {
         /**
          * User could set clock to an unsaved note, so before setting the
          * alert clock, we should save the note first
          */
         if (!mWorkingNote.existInDatabase()) {
+            //首先保存已有的便签
             saveNote();
         }
         if (mWorkingNote.getNoteId() > 0) {
             Intent intent = new Intent(this, AlarmReceiver.class);
             intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId()));
+            //若有有运行的便签就是建立一个链接器将标签id都存在uri中
             PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
             AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE));
+            //设置提醒管理器
             showAlertHeader();
             if(!set) {
                 alarmManager.cancel(pendingIntent);
             } else {
                 alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent);
             }
+            //如果用户设置了时间，就通过提醒管理器设置一个监听事项
         } else {
             /**
              * There is the condition that user has input nothing (the note is
              * not worthy saving), we have no note id, remind the user that he
              * should input something
              */
+            //没有运行的便签就报错
             Log.e(TAG, "Clock alert setting error");
             showToast(R.string.error_note_empty_for_clock);
         }
     }
 
+    /*
+     * 函数功能：Widget发生改变的所触发的事件
+     */
     public void onWidgetChanged() {
-        updateWidget();
+        updateWidget();//更新Widget
     }
 
+    /*
+     * 函数功能： 删除编辑文本框所触发的事件
+     * 函数实现：如下注释
+     */
     public void onEditTextDelete(int index, String text) {
         int childCount = mEditTextList.getChildCount();
         if (childCount == 1) {
             return;
         }
-
+        //没有编辑框的话直接返回
         for (int i = index + 1; i < childCount; i++) {
             ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
                     .setIndex(i - 1);
+            //通过id把编辑框存在便签编辑框中
         }
 
         mEditTextList.removeViewAt(index);
+        //删除特定位置的视图
         NoteEditText edit = null;
         if(index == 0) {
             edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById(
@@ -666,69 +782,101 @@ public class NoteEditActivity extends Activity implements OnClickListener,
             edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById(
                     R.id.et_edit_text);
         }
+        //通过id把编辑框存在空的NoteEditText中
         int length = edit.length();
         edit.append(text);
-        edit.requestFocus();
-        edit.setSelection(length);
+        edit.requestFocus();//请求优先完成该此 编辑
+        edit.setSelection(length);//定位到length位置处的条目
     }
 
+    /*
+     * 函数功能：进入编辑文本框所触发的事件
+     * 函数实现：如下注释
+     */
     public void onEditTextEnter(int index, String text) {
         /**
          * Should not happen, check for debug
          */
         if(index > mEditTextList.getChildCount()) {
             Log.e(TAG, "Index out of mEditTextList boundrary, should not happen");
+            //越界把偶偶
         }
 
         View view = getListItem(text, index);
         mEditTextList.addView(view, index);
+        //建立一个新的视图并添加到编辑文本框内
         NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
-        edit.requestFocus();
-        edit.setSelection(0);
+        edit.requestFocus();//请求优先操作
+        edit.setSelection(0);//定位到起始位置
         for (int i = index + 1; i < mEditTextList.getChildCount(); i++) {
             ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
                     .setIndex(i);
+            //遍历子文本框并设置对应对下标
         }
     }
 
+    /*
+     * 函数功能：切换至列表模式
+     * 函数实现：如下注释
+     */
     private void switchToListMode(String text) {
         mEditTextList.removeAllViews();
         String[] items = text.split("\n");
         int index = 0;
+        //清空所有视图，初始化下标
         for (String item : items) {
             if(!TextUtils.isEmpty(item)) {
                 mEditTextList.addView(getListItem(item, index));
                 index++;
+                //遍历所有文本单元并添加到文本框中
             }
         }
         mEditTextList.addView(getListItem("", index));
         mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus();
+        //优先请求此操作
 
         mNoteEditor.setVisibility(View.GONE);
+        //便签编辑器不可见
         mEditTextList.setVisibility(View.VISIBLE);
+        //将文本编辑框置为可见
     }
 
+    /*
+     * 函数功能：获取高亮效果的反馈情况
+     * 函数实现：如下注释
+     */
     private Spannable getHighlightQueryResult(String fullText, String userQuery) {
         SpannableString spannable = new SpannableString(fullText == null ? "" : fullText);
+        //新建一个效果选项
         if (!TextUtils.isEmpty(userQuery)) {
             mPattern = Pattern.compile(userQuery);
+            //将用户的询问进行解析
             Matcher m = mPattern.matcher(fullText);
+            //建立一个状态机检查Pattern并进行匹配
             int start = 0;
             while (m.find(start)) {
                 spannable.setSpan(
                         new BackgroundColorSpan(this.getResources().getColor(
                                 R.color.user_query_highlight)), m.start(), m.end(),
                         Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
+                //设置背景颜色
                 start = m.end();
+                //跟新起始位置
             }
         }
         return spannable;
     }
 
+    /*
+     * 函数功能：获取列表项
+     * 函数实现：如下注释
+     */
     private View getListItem(String item, int index) {
         View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null);
+        //创建一个视图
         final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
         edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
+        //创建一个文本编辑框并设置可见性
         CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
         cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
@@ -739,12 +887,15 @@ public class NoteEditActivity extends Activity implements OnClickListener,
                 }
             }
         });
+        //建立一个打钩框并设置监听器
 
         if (item.startsWith(TAG_CHECKED)) {
+            //选择勾选
             cb.setChecked(true);
             edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
             item = item.substring(TAG_CHECKED.length(), item.length()).trim();
         } else if (item.startsWith(TAG_UNCHECKED)) {
+            //选择不勾选
             cb.setChecked(false);
             edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
             item = item.substring(TAG_UNCHECKED.length(), item.length()).trim();
@@ -753,61 +904,94 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         edit.setOnTextViewChangeListener(this);
         edit.setIndex(index);
         edit.setText(getHighlightQueryResult(item, mUserQuery));
+        //运行编辑框的监听器对该行为作出反应，并设置下标及文本内容
         return view;
     }
 
+    /*
+     * 函数功能：便签内容发生改变所 触发的事件
+     * 函数实现：如下注释
+     */
     public void onTextChange(int index, boolean hasText) {
         if (index >= mEditTextList.getChildCount()) {
             Log.e(TAG, "Wrong index, should not happen");
             return;
+            //越界报错
         }
         if(hasText) {
             mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE);
         } else {
             mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE);
         }
+        //如果内容不为空则将其子编辑框可见性置为可见，否则不可见
     }
 
+    /*
+     * 函数功能：检查模式和列表模式的切换
+     * 函数实现：如下注释
+     */
     public void onCheckListModeChanged(int oldMode, int newMode) {
         if (newMode == TextNote.MODE_CHECK_LIST) {
             switchToListMode(mNoteEditor.getText().toString());
+            //检查模式切换到列表模式
         } else {
             if (!getWorkingText()) {
                 mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ",
                         ""));
             }
+            //若是获取到文本就改变其检查标记
             mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
             mEditTextList.setVisibility(View.GONE);
             mNoteEditor.setVisibility(View.VISIBLE);
+            //修改文本编辑器的内容和可见性
         }
     }
 
+    /*
+     * 函数功能：设置勾选选项表并返回是否勾选的标记
+     * 函数实现：如下注释
+     */
     private boolean getWorkingText() {
         boolean hasChecked = false;
+        //初始化check标记
         if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+            // 若模式为CHECK_LIST
             StringBuilder sb = new StringBuilder();
+            //创建可变字符串
             for (int i = 0; i < mEditTextList.getChildCount(); i++) {
                 View view = mEditTextList.getChildAt(i);
+                //遍历所有子编辑框的视图
                 NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
                 if (!TextUtils.isEmpty(edit.getText())) {
+                    //若文本不为空
                     if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) {
+                        //该选项框已打钩
                         sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n");
                         hasChecked = true;
+                        //扩展字符串为已打钩并把标记置true
                     } else {
                         sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n");
+                        //扩展字符串添加未打钩
                     }
                 }
             }
             mWorkingNote.setWorkingText(sb.toString());
+            //利用编辑好的字符串设置运行便签的内容
         } else {
             mWorkingNote.setWorkingText(mNoteEditor.getText().toString());
+            // 若不是该模式直接用编辑器中的内容设置运行中标签的内容
         }
         return hasChecked;
     }
 
+    /*
+     * 函数功能：保存便签
+     * 函数实现：如下注释
+     */
     private boolean saveNote() {
         getWorkingText();
         boolean saved = mWorkingNote.saveNote();
+        //运行 getWorkingText()之后保存
         if (saved) {
             /**
              * There are two modes from List view to edit view, open one note,
@@ -816,11 +1000,16 @@ public class NoteEditActivity extends Activity implements OnClickListener,
              * new node requires to the top of the list. This code
              * {@link #RESULT_OK} is used to identify the create/edit state
              */
+            //如英文注释所说链接RESULT_OK是为了识别保存的2种情况，一是创建后保存，二是修改后保存
             setResult(RESULT_OK);
         }
         return saved;
     }
 
+    /*
+     * 函数功能：将便签发送至桌面
+     * 函数实现：如下注释
+     */
     private void sendToDesktop() {
         /**
          * Before send message to home, we should make sure that current
@@ -829,12 +1018,16 @@ public class NoteEditActivity extends Activity implements OnClickListener,
          */
         if (!mWorkingNote.existInDatabase()) {
             saveNote();
+            //若不存在数据也就是新的标签就保存起来先
         }
 
         if (mWorkingNote.getNoteId() > 0) {
+            //若是有内容
             Intent sender = new Intent();
             Intent shortcutIntent = new Intent(this, NoteEditActivity.class);
+            //建立发送到桌面的连接器
             shortcutIntent.setAction(Intent.ACTION_VIEW);
+            //链接为一个视图
             shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId());
             sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
             sender.putExtra(Intent.EXTRA_SHORTCUT_NAME,
@@ -842,9 +1035,12 @@ public class NoteEditActivity extends Activity implements OnClickListener,
             sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
                     Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app));
             sender.putExtra("duplicate", true);
+            //将便签的相关信息都添加到要发送的文件里
             sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
+            //设置sneder的行为是发送
             showToast(R.string.info_note_enter_desktop);
             sendBroadcast(sender);
+            //显示到桌面
         } else {
             /**
              * There is the condition that user has input nothing (the note is
@@ -853,20 +1049,34 @@ public class NoteEditActivity extends Activity implements OnClickListener,
              */
             Log.e(TAG, "Send to desktop error");
             showToast(R.string.error_note_empty_for_send_to_desktop);
+            //空便签直接报错
         }
     }
 
+    /*
+     * 函数功能：编辑小图标的标题
+     * 函数实现：如下注释
+     */
     private String makeShortcutIconTitle(String content) {
         content = content.replace(TAG_CHECKED, "");
         content = content.replace(TAG_UNCHECKED, "");
         return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ? content.substring(0,
                 SHORTCUT_ICON_TITLE_MAX_LEN) : content;
+        //直接设置为content中的内容并返回，有勾选和未勾选2种
     }
 
+    /*
+     * 函数功能：显示提示的视图
+     * 函数实现：根据下标显示对应的提示
+     */
     private void showToast(int resId) {
         showToast(resId, Toast.LENGTH_SHORT);
     }
 
+    /*
+     * 函数功能：持续显示提示的视图
+     * 函数实现：根据下标和持续的时间（duration）编辑提示视图并显示
+     */
     private void showToast(int resId, int duration) {
         Toast.makeText(this, resId, duration).show();
     }
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NoteEditText.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NoteEditText.java
index 2afe2a8..334ebd6 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NoteEditText.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NoteEditText.java
@@ -37,6 +37,7 @@ import net.micode.notes.R;
 import java.util.HashMap;
 import java.util.Map;
 
+//继承edittext，设置便签设置文本框
 public class NoteEditText extends EditText {
     private static final String TAG = "NoteEditText";
     private int mIndex;
@@ -46,6 +47,7 @@ public class NoteEditText extends EditText {
     private static final String SCHEME_HTTP = "http:" ;
     private static final String SCHEME_EMAIL = "mailto:" ;
 
+    ///建立一个字符和整数的hash表，用于链接电话，网站，还有邮箱
     private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>();
     static {
         sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel);
@@ -56,17 +58,20 @@ public class NoteEditText extends EditText {
     /**
      * Call by the {@link NoteEditActivity} to delete or add edit text
      */
+    //在NoteEditActivity中删除或添加文本的操作，可以看做是一个文本是否被变的标记，英文注释已说明的很清楚
     public interface OnTextViewChangeListener {
         /**
          * Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens
          * and the text is null
          */
+        //处理删除按键时的操作
         void onEditTextDelete(int index, String text);
 
         /**
          * Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER}
          * happen
          */
+        //处理进入按键时的操作
         void onEditTextEnter(int index, String text);
 
         /**
@@ -77,33 +82,43 @@ public class NoteEditText extends EditText {
 
     private OnTextViewChangeListener mOnTextViewChangeListener;
 
+    //根据context设置文本
     public NoteEditText(Context context) {
-        super(context, null);
+        super(context, null);//用super引用父类变量
         mIndex = 0;
     }
 
+    //设置当前光标
     public void setIndex(int index) {
         mIndex = index;
     }
 
+    //初始化文本修改标记
     public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
         mOnTextViewChangeListener = listener;
     }
 
-    public NoteEditText(Context context, AttributeSet attrs) {
+    //AttributeSet 百度了一下是自定义空控件属性，用于维护便签动态变化的属性
+    //初始化便签
+    public NoteEditText(Context context, AttributeSet    attrs) {
         super(context, attrs, android.R.attr.editTextStyle);
     }
 
+    // 根据defstyle自动初始化
     public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);
-        // TODO Auto-generated constructor stub
+        // TODO Auto-generated construct or stub
     }
 
     @Override
+    //view里的函数，处理手机屏幕的所有事件
+    /*参数event为手机屏幕触摸事件封装类的对象，其中封装了该事件的所有信息，
+                例如触摸的位置、触摸的类型以及触摸的时间等。该对象会在用户触摸手机屏幕时被创建。*/
     public boolean onTouchEvent(MotionEvent event) {
         switch (event.getAction()) {
+            //重写了需要处理屏幕被按下的事件
             case MotionEvent.ACTION_DOWN:
-
+                //跟新当前坐标值
                 int x = (int) event.getX();
                 int y = (int) event.getY();
                 x -= getTotalPaddingLeft();
@@ -111,9 +126,12 @@ public class NoteEditText extends EditText {
                 x += getScrollX();
                 y += getScrollY();
 
+                //用布局控件layout根据x,y的新值设置新的位置
                 Layout layout = getLayout();
                 int line = layout.getLineForVertical(y);
                 int off = layout.getOffsetForHorizontal(line, x);
+
+                //更新光标新的位置
                 Selection.setSelection(getText(), off);
                 break;
         }
@@ -122,96 +140,147 @@ public class NoteEditText extends EditText {
     }
 
     @Override
+    /*
+     * 函数功能：处理用户按下一个键盘按键时会触发 的事件
+     * 实现过程：如下注释
+     */
     public boolean onKeyDown(int keyCode, KeyEvent event) {
         switch (keyCode) {
+            //根据按键的 Unicode 编码值来处理
             case KeyEvent.KEYCODE_ENTER:
+                //“进入”按键
                 if (mOnTextViewChangeListener != null) {
                     return false;
                 }
                 break;
             case KeyEvent.KEYCODE_DEL:
+                //“删除”按键
                 mSelectionStartBeforeDelete = getSelectionStart();
                 break;
             default:
                 break;
         }
+        //继续执行父类的其他点击事件
         return super.onKeyDown(keyCode, event);
     }
 
     @Override
+    /*
+     * 函数功能：处理用户松开一个键盘按键时会触发 的事件
+     * 实现方式：如下注释
+     */
     public boolean onKeyUp(int keyCode, KeyEvent event) {
         switch(keyCode) {
+            //根据按键的 Unicode 编码值来处理，有删除和进入2种操作
             case KeyEvent.KEYCODE_DEL:
                 if (mOnTextViewChangeListener != null) {
+                    //若是被修改过
                     if (0 == mSelectionStartBeforeDelete && mIndex != 0) {
+                        //若之前有被修改并且文档不为空
                         mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString());
+                        //利用上文OnTextViewChangeListener对KEYCODE_DEL按键情况的删除函数进行删除
                         return true;
                     }
                 } else {
                     Log.d(TAG, "OnTextViewChangeListener was not seted");
+                    //其他情况报错，文档的改动监听器并没有建立
                 }
                 break;
             case KeyEvent.KEYCODE_ENTER:
+                //同上也是分为监听器是否建立2种情况
                 if (mOnTextViewChangeListener != null) {
                     int selectionStart = getSelectionStart();
+                    //获取当前位置
                     String text = getText().subSequence(selectionStart, length()).toString();
+                    //获取当前文本
                     setText(getText().subSequence(0, selectionStart));
+                    //根据获取的文本设置当前文本
                     mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);
+                    //当{@link KeyEvent#KEYCODE_ENTER}添加新文本
                 } else {
                     Log.d(TAG, "OnTextViewChangeListener was not seted");
+                    //其他情况报错，文档的改动监听器并没有建立
                 }
                 break;
             default:
                 break;
         }
+        //继续执行父类的其他按键弹起的事件
         return super.onKeyUp(keyCode, event);
     }
 
     @Override
+    /*
+     * 函数功能：当焦点发生变化时，会自动调用该方法来处理焦点改变的事件
+     * 实现方式：如下注释
+     * 参数：focused表示触发该事件的View是否获得了焦点，当该控件获得焦点时，Focused等于true，否则等于false。
+           direction表示焦点移动的方向，用数值表示
+           Rect：表示在触发事件的View的坐标系中，前一个获得焦点的矩形区域，即表示焦点是从哪里来的。如果不可用则为null
+     */
     protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
         if (mOnTextViewChangeListener != null) {
+            //若监听器已经建立
             if (!focused && TextUtils.isEmpty(getText())) {
+                //获取到焦点并且文本不为空
                 mOnTextViewChangeListener.onTextChange(mIndex, false);
+                //mOnTextViewChangeListener子函数，置false隐藏事件选项
             } else {
                 mOnTextViewChangeListener.onTextChange(mIndex, true);
+                //mOnTextViewChangeListener子函数，置true显示事件选项
             }
         }
+        //继续执行父类的其他焦点变化的事件
         super.onFocusChanged(focused, direction, previouslyFocusedRect);
     }
 
     @Override
+    /*
+     * 函数功能：生成上下文菜单
+     * 函数实现：如下注释
+     */
     protected void onCreateContextMenu(ContextMenu menu) {
         if (getText() instanceof Spanned) {
+            //有文本存在
             int selStart = getSelectionStart();
             int selEnd = getSelectionEnd();
+            //获取文本开始和结尾位置
 
             int min = Math.min(selStart, selEnd);
             int max = Math.max(selStart, selEnd);
+            //获取开始到结尾的最大值和最小值
 
             final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class);
+            //设置url的信息的范围值
             if (urls.length == 1) {
                 int defaultResId = 0;
                 for(String schema: sSchemaActionResMap.keySet()) {
+                    //获取计划表中所有的key值
                     if(urls[0].getURL().indexOf(schema) >= 0) {
+                        //若url可以添加则在添加后将defaultResId置为key所映射的值
                         defaultResId = sSchemaActionResMap.get(schema);
                         break;
                     }
                 }
 
                 if (defaultResId == 0) {
+                    //defaultResId == 0则说明url并没有添加任何东西，所以置为连接其他SchemaActionResMap的值
                     defaultResId = R.string.note_link_other;
                 }
 
+                //建立菜单
                 menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener(
                         new OnMenuItemClickListener() {
+                            //新建按键监听器
                             public boolean onMenuItemClick(MenuItem item) {
                                 // goto a new intent
                                 urls[0].onClick(NoteEditText.this);
+                                //根据相应的文本设置菜单的按键
                                 return true;
                             }
                         });
             }
         }
+        //继续执行父类的其他菜单创建的事件
         super.onCreateContextMenu(menu);
     }
 }
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NoteItemData.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NoteItemData.java
index 0f5a878..ff52c1f 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NoteItemData.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NoteItemData.java
@@ -28,20 +28,20 @@ import net.micode.notes.tool.DataUtils;
 
 public class NoteItemData {
     static final String [] PROJECTION = new String [] {
-        NoteColumns.ID,
-        NoteColumns.ALERTED_DATE,
-        NoteColumns.BG_COLOR_ID,
-        NoteColumns.CREATED_DATE,
-        NoteColumns.HAS_ATTACHMENT,
-        NoteColumns.MODIFIED_DATE,
-        NoteColumns.NOTES_COUNT,
-        NoteColumns.PARENT_ID,
-        NoteColumns.SNIPPET,
-        NoteColumns.TYPE,
-        NoteColumns.WIDGET_ID,
-        NoteColumns.WIDGET_TYPE,
+            NoteColumns.ID,
+            NoteColumns.ALERTED_DATE,
+            NoteColumns.BG_COLOR_ID,
+            NoteColumns.CREATED_DATE,
+            NoteColumns.HAS_ATTACHMENT,
+            NoteColumns.MODIFIED_DATE,
+            NoteColumns.NOTES_COUNT,
+            NoteColumns.PARENT_ID,
+            NoteColumns.SNIPPET,
+            NoteColumns.TYPE,
+            NoteColumns.WIDGET_ID,
+            NoteColumns.WIDGET_TYPE,
     };
-
+    //常量标记和数据就不一一标记了，意义翻译基本就知道
     private static final int ID_COLUMN                    = 0;
     private static final int ALERTED_DATE_COLUMN          = 1;
     private static final int BG_COLOR_ID_COLUMN           = 2;
@@ -75,8 +75,9 @@ public class NoteItemData {
     private boolean mIsOnlyOneItem;
     private boolean mIsOneNoteFollowingFolder;
     private boolean mIsMultiNotesFollowingFolder;
-
-    public NoteItemData(Context context, Cursor cursor) {
+    //初始化NoteItemData，主要利用光标cursor获取的东西
+    public NoteItemData(Context context, Cursor  cursor) {
+        //getxxx为转换格式
         mId = cursor.getLong(ID_COLUMN);
         mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
         mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN);
@@ -92,10 +93,11 @@ public class NoteItemData {
         mWidgetId = cursor.getInt(WIDGET_ID_COLUMN);
         mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN);
 
+        //初始化电话号码的信息
         mPhoneNumber = "";
         if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {
             mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId);
-            if (!TextUtils.isEmpty(mPhoneNumber)) {
+            if (!TextUtils.isEmpty(mPhoneNumber)) {//mphonenumber里有符合字符串，则用contart功能连接
                 mName = Contact.getContact(context, mPhoneNumber);
                 if (mName == null) {
                     mName = mPhoneNumber;
@@ -108,32 +110,35 @@ public class NoteItemData {
         }
         checkPostion(cursor);
     }
-
+    ///根据鼠标的位置设置标记，和位置
     private void checkPostion(Cursor cursor) {
+        //初始化几个标记，cursor具体功能笔记中已提到，不一一叙述
         mIsLastItem = cursor.isLast() ? true : false;
         mIsFirstItem = cursor.isFirst() ? true : false;
         mIsOnlyOneItem = (cursor.getCount() == 1);
+        //初始化“多重子文件”“单一子文件”2个标记
         mIsMultiNotesFollowingFolder = false;
         mIsOneNoteFollowingFolder = false;
 
-        if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {
+        //主要是设置上诉2标记
+        if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {//若是note格式并且不是第一个元素
             int position = cursor.getPosition();
-            if (cursor.moveToPrevious()) {
+            if (cursor.moveToPrevious()) {//获取光标位置后看上一行
                 if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER
-                        || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {
+                        || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {//若光标满足系统或note格式
                     if (cursor.getCount() > (position + 1)) {
-                        mIsMultiNotesFollowingFolder = true;
+                        mIsMultiNotesFollowingFolder = true;//若是数据行数大于但前位置+1则设置成正确
                     } else {
-                        mIsOneNoteFollowingFolder = true;
+                        mIsOneNoteFollowingFolder = true;//否则单一文件夹标记为true
                     }
                 }
-                if (!cursor.moveToNext()) {
+                if (!cursor.moveToNext()) {//若不能再往下走则报错
                     throw new IllegalStateException("cursor move to previous but can't move back");
                 }
             }
         }
     }
-
+    ///下面的代码的作用均是声明获取属性的方法，下面一系列函数都是返回状态值等，用于判断状态
     public boolean isOneFollowingFolder() {
         return mIsOneNoteFollowingFolder;
     }
@@ -214,11 +219,12 @@ public class NoteItemData {
         return (mAlertDate > 0);
     }
 
+    //若数据父id为保存至文件夹模式的id且满足电话号码单元不为空，则isCallRecord为true
     public boolean isCallRecord() {
         return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));
     }
 
-    public static int getNoteType(Cursor cursor) {
+    public static int getNoteType(Cursor cursor) {//获得便签的类型
         return cursor.getInt(TYPE_COLUMN);
     }
-}
+}
\ No newline at end of file
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NotesListActivity.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NotesListActivity.java
index e843aec..9992129 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NotesListActivity.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NotesListActivity.java
@@ -77,8 +77,12 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.util.HashSet;
-
-public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
+//主界面，一进入就是这个界面
+/**
+ * @author k
+ *
+ */
+public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {   //没有用特定的标签加注释。。。感觉没有什么用
     private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
 
     private static final int FOLDER_LIST_QUERY_TOKEN      = 1;
@@ -89,7 +93,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
 
     private static final int MENU_FOLDER_CHANGE_NAME = 2;
 
-    private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";
+    private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";  //单行超过80个字符
 
     private enum ListEditState {
         NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
@@ -136,8 +140,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
     private final static int REQUEST_CODE_NEW_NODE  = 103;
 
     @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
+    // 创建类
+    protected void onCreate(final Bundle savedInstanceState) {  //需要是final类型   根据程序上下文环境，Java关键字final有“这是无法改变的”或者“终态的”含义，它可以修饰非抽象类、非抽象类成员方法和变量。你可能出于两种理解而需要阻止改变：设计或效率。
+        // final类不能被继承，没有子类，final类中的方法默认是final的。
+        //final方法不能被子类的方法覆盖，但可以被继承。
+        //final成员变量表示常量，只能被赋值一次，赋值后值不再改变。
+        //final不能用于修饰构造方法。
+        super.onCreate(savedInstanceState); // 调用父类的onCreate函数
         setContentView(R.layout.note_list);
         initResources();
 
@@ -148,26 +157,32 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
     }
 
     @Override
+    // 返回一些子模块完成的数据交给主Activity处理
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        // 结果值 和 要求值 符合要求
         if (resultCode == RESULT_OK
                 && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
             mNotesListAdapter.changeCursor(null);
         } else {
             super.onActivityResult(requestCode, resultCode, data);
+            // 调用 Activity 的onActivityResult（）
         }
     }
 
     private void setAppInfoFromRawRes() {
+        // Android平台给我们提供了一个SharedPreferences类，它是一个轻量级的存储类，特别适合用于保存软件配置参数。
         SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
         if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
             StringBuilder sb = new StringBuilder();
             InputStream in = null;
             try {
-                 in = getResources().openRawResource(R.raw.introduction);
+                // 把资源文件放到应用程序的/raw/raw下，那么就可以在应用中使用getResources获取资源后,
+                // 以openRawResource方法（不带后缀的资源文件名）打开这个文件。
+                in = getResources().openRawResource(R.raw.introduction);
                 if (in != null) {
                     InputStreamReader isr = new InputStreamReader(in);
                     BufferedReader br = new BufferedReader(isr);
-                    char [] buf = new char[1024];
+                    char [] buf = new char[1024];  // 自行定义的数值，使用者不知道有什么意义
                     int len = 0;
                     while ((len = br.read(buf)) > 0) {
                         sb.append(buf, 0, len);
@@ -180,7 +195,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                 e.printStackTrace();
                 return;
             } finally {
-                if(in != null) {
+                if (in != null) {
                     try {
                         in.close();
                     } catch (IOException e) {
@@ -190,11 +205,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                 }
             }
 
+            // 创建空的WorkingNote
             WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
                     AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
                     ResourceParser.RED);
             note.setWorkingText(sb.toString());
             if (note.saveNote()) {
+                // 更新保存note的信息
                 sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit();
             } else {
                 Log.e(TAG, "Save introduction note error");
@@ -209,18 +226,21 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         startAsyncNotesListQuery();
     }
 
+    // 初始化资源
     private void initResources() {
-        mContentResolver = this.getContentResolver();
+        mContentResolver = this.getContentResolver(); // 获取应用程序的数据，得到类似数据表的东西
         mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
         mCurrentFolderId = Notes.ID_ROOT_FOLDER;
-        mNotesListView = (ListView) findViewById(R.id.notes_list);
+
+        // findViewById 是安卓编程的定位函数，主要是引用.R文件里的引用名
+        mNotesListView = (ListView) findViewById(R.id.notes_list); // 绑定XML中的ListView，作为Item的容器
         mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
                 null, false);
         mNotesListView.setOnItemClickListener(new OnListItemClickListener());
         mNotesListView.setOnItemLongClickListener(this);
         mNotesListAdapter = new NotesListAdapter(this);
         mNotesListView.setAdapter(mNotesListAdapter);
-        mAddNewNote = (Button) findViewById(R.id.btn_new_note);
+        mAddNewNote = (Button) findViewById(R.id.btn_new_note);// 在activity中要获取该按钮
         mAddNewNote.setOnClickListener(this);
         mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener());
         mDispatch = false;
@@ -231,6 +251,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         mModeCallBack = new ModeCallback();
     }
 
+    // 继承自ListView.MultiChoiceModeListener 和 OnMenuItemClickListener
     private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
         private DropdownMenu mDropDownMenu;
         private ActionMode mActionMode;
@@ -259,7 +280,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                     (Button) customView.findViewById(R.id.selection_menu),
                     R.menu.note_list_dropdown);
             mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){
-                public boolean onMenuItemClick(MenuItem item) {
+                public boolean onMenuItemClick(final MenuItem item) {
                     mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());
                     updateMenu();
                     return true;
@@ -269,11 +290,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
             return true;
         }
 
+        // 更新菜单
         private void updateMenu() {
             int selectedCount = mNotesListAdapter.getSelectedCount();
             // Update dropdown menu
             String format = getResources().getString(R.string.menu_select_title, selectedCount);
-            mDropDownMenu.setTitle(format);
+            mDropDownMenu.setTitle(format); // 更改标题
             MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);
             if (item != null) {
                 if (mNotesListAdapter.isAllSelected()) {
@@ -307,7 +329,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         }
 
         public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
-                boolean checked) {
+                                              boolean checked) {
             mNotesListAdapter.setCheckedItem(position, checked);
             updateMenu();
         }
@@ -325,14 +347,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                     builder.setTitle(getString(R.string.alert_title_delete));
                     builder.setIcon(android.R.drawable.ic_dialog_alert);
                     builder.setMessage(getString(R.string.alert_message_delete_notes,
-                                             mNotesListAdapter.getSelectedCount()));
+                            mNotesListAdapter.getSelectedCount()));
                     builder.setPositiveButton(android.R.string.ok,
-                                             new DialogInterface.OnClickListener() {
-                                                 public void onClick(DialogInterface dialog,
-                                                         int which) {
-                                                     batchDelete();
-                                                 }
-                                             });
+                            new DialogInterface.OnClickListener() {
+                                public void onClick(DialogInterface dialog,
+                                                    int which) {
+                                    batchDelete();
+                                }
+                            });
                     builder.setNegativeButton(android.R.string.cancel, null);
                     builder.show();
                     break;
@@ -366,7 +388,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                     /**
                      * HACKME:When click the transparent part of "New Note" button, dispatch
                      * the event to the list view behind this button. The transparent part of
-                     * "New Note" button could be expressed by formula y=-0.12x+94（Unit:pixel）
+                     * "New Note" button could be expressed by formula y=-0.12x+94锛圲nit:pixel锛�
                      * and the line top of the button. The coordinate based on left of the "New
                      * Note" button. The 94 represents maximum height of the transparent part.
                      * Notice that, if the background of the button changes, the formula should
@@ -413,7 +435,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                 : NORMAL_SELECTION;
         mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
                 Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] {
-                    String.valueOf(mCurrentFolderId)
+                        String.valueOf(mCurrentFolderId)
                 }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
     }
 
@@ -624,7 +646,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                         values.put(NoteColumns.LOCAL_MODIFIED, 1);
                         mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID
                                 + "=?", new String[] {
-                            String.valueOf(mFocusNoteDataItem.getId())
+                                String.valueOf(mFocusNoteDataItem.getId())
                         });
                     }
                 } else if (!TextUtils.isEmpty(name)) {
@@ -664,30 +686,38 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         });
     }
 
+    /* (non-Javadoc)
+     * @see android.app.Activity#onBackPressed()
+     * 按返回键时根据情况更改类中的数据
+     */
     @Override
-    public void onBackPressed() {
-        switch (mState) {
-            case SUB_FOLDER:
-                mCurrentFolderId = Notes.ID_ROOT_FOLDER;
-                mState = ListEditState.NOTE_LIST;
-                startAsyncNotesListQuery();
-                mTitleBar.setVisibility(View.GONE);
-                break;
-            case CALL_RECORD_FOLDER:
-                mCurrentFolderId = Notes.ID_ROOT_FOLDER;
-                mState = ListEditState.NOTE_LIST;
-                mAddNewNote.setVisibility(View.VISIBLE);
-                mTitleBar.setVisibility(View.GONE);
-                startAsyncNotesListQuery();
-                break;
-            case NOTE_LIST:
-                super.onBackPressed();
-                break;
-            default:
-                break;
-        }
+    public void onBackPressed() { switch (mState) {
+        case SUB_FOLDER:
+            mCurrentFolderId = Notes.ID_ROOT_FOLDER;
+            mState = ListEditState.NOTE_LIST;
+            startAsyncNotesListQuery();
+            mTitleBar.setVisibility(View.GONE);
+            break;
+        case CALL_RECORD_FOLDER:
+            mCurrentFolderId = Notes.ID_ROOT_FOLDER;
+            mState = ListEditState.NOTE_LIST;
+            mAddNewNote.setVisibility(View.VISIBLE);
+            mTitleBar.setVisibility(View.GONE);
+            startAsyncNotesListQuery();
+            break;
+        case NOTE_LIST:
+            super.onBackPressed();
+            break;
+        default:
+            break;
+    }
     }
 
+    /**
+     * @param appWidgetId
+     * @param appWidgetType
+     * 根据不同类型的widget更新插件，通过intent传送数据
+     */
     private void updateWidget(int appWidgetId, int appWidgetType) {
         Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
         if (appWidgetType == Notes.TYPE_WIDGET_2X) {
@@ -700,13 +730,16 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         }
 
         intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
-            appWidgetId
+                appWidgetId
         });
 
         sendBroadcast(intent);
         setResult(RESULT_OK, intent);
     }
 
+    /**
+     * 声明监听器，建立菜单，包括名称，视图，删除操作，更改名称操作；
+     */
     private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {
         public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
             if (mFocusNoteDataItem != null) {
@@ -726,6 +759,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         super.onContextMenuClosed(menu);
     }
 
+    /* (non-Javadoc)
+     * @see android.app.Activity#onContextItemSelected(android.view.MenuItem)
+     * 针对menu中不同的选择进行不同的处理，里面详细注释
+     */
     @Override
     public boolean onContextItemSelected(MenuItem item) {
         if (mFocusNoteDataItem == null) {
@@ -734,10 +771,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         }
         switch (item.getItemId()) {
             case MENU_FOLDER_VIEW:
-                openFolder(mFocusNoteDataItem);
+                openFolder(mFocusNoteDataItem);//打开对应文件
                 break;
             case MENU_FOLDER_DELETE:
-                AlertDialog.Builder builder = new AlertDialog.Builder(this);
+                AlertDialog.Builder builder = new AlertDialog.Builder(this);//设置确认是否删除的对话框
                 builder.setTitle(getString(R.string.alert_title_delete));
                 builder.setIcon(android.R.drawable.ic_dialog_alert);
                 builder.setMessage(getString(R.string.alert_message_delete_folder));
@@ -748,7 +785,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                             }
                         });
                 builder.setNegativeButton(android.R.string.cancel, null);
-                builder.show();
+                builder.show();//显示对话框
                 break;
             case MENU_FOLDER_CHANGE_NAME:
                 showCreateOrModifyFolderDialog(false);
@@ -818,12 +855,19 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         return true;
     }
 
+    /* (non-Javadoc)
+     * @see android.app.Activity#onSearchRequested()
+     * 直接调用startSearch函数
+     */
     @Override
     public boolean onSearchRequested() {
         startSearch(null, false, null /* appData */, false);
         return true;
     }
 
+    /**
+     * 函数功能：实现将便签导出到文本功能
+     */
     private void exportNoteToText() {
         final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
         new AsyncTask<Void, Void, Integer>() {
@@ -866,16 +910,27 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         }.execute();
     }
 
+    /**
+     * @return
+     * 功能：判断是否正在同步
+     */
     private boolean isSyncMode() {
         return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
     }
 
+    /**
+     * 功能：跳转到PreferenceActivity界面
+     */
     private void startPreferenceActivity() {
         Activity from = getParent() != null ? getParent() : this;
         Intent intent = new Intent(from, NotesPreferenceActivity.class);
         from.startActivityIfNeeded(intent, -1);
     }
 
+    /**
+     * @author k
+     * 函数功能：实现对便签列表项的点击事件（短按）
+     */
     private class OnListItemClickListener implements OnItemClickListener {
 
         public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
@@ -917,10 +972,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
 
     }
 
+    /**
+     * 查询目标文件
+     */
     private void startQueryDestinationFolders() {
         String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
         selection = (mState == ListEditState.NOTE_LIST) ? selection:
-            "(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")";
+                "(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")";
 
         mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN,
                 null,
@@ -935,7 +993,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                 NoteColumns.MODIFIED_DATE + " DESC");
     }
 
-    public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
+    /* (non-Javadoc)
+     * @see android.widget.AdapterView.OnItemLongClickListener#onItemLongClick(android.widget.AdapterView, android.view.View, int, long)
+     * 长按某一项时进行的操作
+     * 如果长按的是便签，则通过ActionMode菜单实现；如果长按的是文件夹，则通过ContextMenu菜单实现；
+     *        具体ActionMOde菜单和ContextMenu菜单的详细见精度笔记
+     */
+    public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {// 函数：实现长按项目的点击事件。如果长按的是便签，则通过ActionMode菜单实现；如果长按的是文件夹，则通过ContextMenu菜单实现。
         if (view instanceof NotesListItem) {
             mFocusNoteDataItem = ((NotesListItem) view).getItemData();
             if (mFocusNoteDataItem.getType() == Notes.TYPE_NOTE && !mNotesListAdapter.isInChoiceMode()) {
@@ -951,4 +1015,4 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         }
         return false;
     }
-}
+}
\ No newline at end of file
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java
index 51c9cb9..5c5d3ee 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java
@@ -23,6 +23,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.CursorAdapter;
 
+
 import net.micode.notes.data.Notes;
 
 import java.util.Collection;
@@ -31,55 +32,94 @@ import java.util.HashSet;
 import java.util.Iterator;
 
 
+/*
+ * 功能：直译为便签表连接器，继承了CursorAdapter，它为cursor和ListView提供了连接的桥梁。
+ *     所以NotesListAdapter实现的是鼠标和编辑便签链接的桥梁
+ */
 public class NotesListAdapter extends CursorAdapter {
     private static final String TAG = "NotesListAdapter";
     private Context mContext;
     private HashMap<Integer, Boolean> mSelectedIndex;
-    private int mNotesCount;
-    private boolean mChoiceMode;
+    private int mNotesCount;    //便签数
+    private boolean mChoiceMode;   //选择模式标记
 
+    /*
+     * 桌面widget的属性，包括编号和类型
+     */
     public static class AppWidgetAttribute {
         public int widgetId;
         public int widgetType;
     };
 
+    /*
+     * 函数功能：初始化便签链接器
+     * 函数实现：根据传进来的内容设置相关变量
+     */
     public NotesListAdapter(Context context) {
-        super(context, null);
-        mSelectedIndex = new HashMap<Integer, Boolean>();
+        super(context, null);  //父类对象置空
+        mSelectedIndex = new HashMap<Integer, Boolean>();  //新建选项下标的hash表
         mContext = context;
         mNotesCount = 0;
     }
 
     @Override
+    /*
+     * 函数功能：新建一个视图来存储光标所指向的数据
+     * 函数实现：使用兄弟类NotesListItem新建一个项目选项
+     */
     public View newView(Context context, Cursor cursor, ViewGroup parent) {
         return new NotesListItem(context);
     }
 
+    /*
+     * 函数功能：将已经存在的视图和鼠标指向的数据进行捆绑
+     * 函数实现：如下注释
+     */
     @Override
     public void bindView(View view, Context context, Cursor cursor) {
         if (view instanceof NotesListItem) {
+            //若view是NotesListItem的一个实例
             NoteItemData itemData = new NoteItemData(context, cursor);
             ((NotesListItem) view).bind(context, itemData, mChoiceMode,
                     isSelectedItem(cursor.getPosition()));
+            //则新建一个项目选项并且用bind跟将view和鼠标，内容，便签数据捆绑在一起
         }
     }
 
+    /*
+     * 函数功能：设置勾选框
+     * 函数实现：如下注释
+     */
     public void setCheckedItem(final int position, final boolean checked) {
         mSelectedIndex.put(position, checked);
+        //根据定位和是否勾选设置下标
         notifyDataSetChanged();
+        //在修改后刷新activity
     }
 
+    /*
+     * 函数功能：判断单选按钮是否勾选
+     */
     public boolean isInChoiceMode() {
         return mChoiceMode;
     }
 
+    /*
+     * 函数功能：设置单项选项框
+     * 函数实现：重置下标并且根据参数mode设置选项
+     */
     public void setChoiceMode(boolean mode) {
         mSelectedIndex.clear();
         mChoiceMode = mode;
     }
 
+    /*
+     * 函数功能：选择全部选项
+     * 函数实现：如下注释
+     */
     public void selectAll(boolean checked) {
         Cursor cursor = getCursor();
+        //获取光标位置
         for (int i = 0; i < getCount(); i++) {
             if (cursor.moveToPosition(i)) {
                 if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) {
@@ -87,30 +127,47 @@ public class NotesListAdapter extends CursorAdapter {
                 }
             }
         }
+        //遍历所有光标可用的位置在判断为便签类型之后勾选单项框
     }
 
+    /*
+     * 函数功能：建立选择项的下标列表
+     * 函数实现：如下注释
+     */
     public HashSet<Long> getSelectedItemIds() {
         HashSet<Long> itemSet = new HashSet<Long>();
+        //建立hash表
         for (Integer position : mSelectedIndex.keySet()) {
+            //遍历所有的关键
             if (mSelectedIndex.get(position) == true) {
+                //若光标位置可用
                 Long id = getItemId(position);
                 if (id == Notes.ID_ROOT_FOLDER) {
+                    //原文件不需要添加
                     Log.d(TAG, "Wrong item id, should not happen");
                 } else {
                     itemSet.add(id);
                 }
+                //则将id该下标假如选项集合中
+
             }
         }
 
         return itemSet;
     }
 
+    /*
+     * 函数功能：建立桌面Widget的选项表
+     * 函数实现：如下注释
+     */
     public HashSet<AppWidgetAttribute> getSelectedWidget() {
         HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>();
         for (Integer position : mSelectedIndex.keySet()) {
             if (mSelectedIndex.get(position) == true) {
                 Cursor c = (Cursor) getItem(position);
+                //以上4句和getSelectedItemIds一样，不再重复
                 if (c != null) {
+                    //光标位置可用的话就建立新的Widget属性并编辑下标和类型，最后添加到选项集中
                     AppWidgetAttribute widget = new AppWidgetAttribute();
                     NoteItemData item = new NoteItemData(mContext, c);
                     widget.widgetId = item.getWidgetId();
@@ -128,26 +185,42 @@ public class NotesListAdapter extends CursorAdapter {
         return itemSet;
     }
 
+    /*
+     * 函数功能：获取选项个数
+     * 函数实现：如下注释
+     */
     public int getSelectedCount() {
         Collection<Boolean> values = mSelectedIndex.values();
+        //首先获取选项下标的值
         if (null == values) {
             return 0;
         }
         Iterator<Boolean> iter = values.iterator();
+        //初始化叠加器
         int count = 0;
         while (iter.hasNext()) {
             if (true == iter.next()) {
+                //若value值为真计数+1
                 count++;
             }
         }
         return count;
     }
 
+    /*
+     * 函数功能：判断是否全部选中
+     * 函数实现：如下注释
+     */
     public boolean isAllSelected() {
         int checkedCount = getSelectedCount();
         return (checkedCount != 0 && checkedCount == mNotesCount);
+        //获取选项数看是否等于便签的个数
     }
 
+    /*
+     * 函数功能：判断是否为选项表
+     * 函数实现：通过传递的下标来确定
+     */
     public boolean isSelectedItem(final int position) {
         if (null == mSelectedIndex.get(position)) {
             return false;
@@ -156,29 +229,45 @@ public class NotesListAdapter extends CursorAdapter {
     }
 
     @Override
+    /*
+     * 函数功能：在activity内容发生局部变动的时候回调该函数计算便签的数量
+     * 函数实现：如下注释
+     */
     protected void onContentChanged() {
         super.onContentChanged();
+        //执行基类函数
         calcNotesCount();
     }
 
     @Override
+    /*
+     * 函数功能：在activity光标发生局部变动的时候回调该函数计算便签的数量
+     */
     public void changeCursor(Cursor cursor) {
         super.changeCursor(cursor);
+        //执行基类函数
         calcNotesCount();
     }
 
+    /*
+     * 函数功能：计算便签数量
+     *
+     */
     private void calcNotesCount() {
         mNotesCount = 0;
         for (int i = 0; i < getCount(); i++) {
+            //获取总数同时遍历
             Cursor c = (Cursor) getItem(i);
             if (c != null) {
                 if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) {
                     mNotesCount++;
+                    //若该位置不为空并且文本类型为便签就+1
                 }
             } else {
                 Log.e(TAG, "Invalid cursor");
                 return;
             }
+            //否则报错
         }
     }
 }
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NotesListItem.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NotesListItem.java
index 1221e80..b89acf7 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NotesListItem.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NotesListItem.java
@@ -30,37 +30,43 @@ import net.micode.notes.tool.DataUtils;
 import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
 
 
+//创建便签列表项目选项
 public class NotesListItem extends LinearLayout {
-    private ImageView mAlert;
-    private TextView mTitle;
-    private TextView mTime;
-    private TextView mCallName;
-    private NoteItemData mItemData;
-    private CheckBox mCheckBox;
+    private ImageView mAlert;//闹钟图片
+    private TextView mTitle;  //标题
+    private TextView mTime;   //时间
+    private TextView mCallName;    //
+    private NoteItemData mItemData; //标签数据
+    private CheckBox mCheckBox;    //打钩框
 
+    /*初始化基本信息*/
     public NotesListItem(Context context) {
-        super(context);
-        inflate(context, R.layout.note_item, this);
+        super(context);   //super()它的主要作用是调整调用父类构造函数的顺序
+        inflate(context, R.layout.note_item, this);//Inflate可用于将一个xml中定义的布局控件找出来,这里的xml是r。layout
+        //findViewById用于从contentView中查找指定ID的View，转换出来的形式根据需要而定;
         mAlert = (ImageView) findViewById(R.id.iv_alert_icon);
         mTitle = (TextView) findViewById(R.id.tv_title);
         mTime = (TextView) findViewById(R.id.tv_time);
         mCallName = (TextView) findViewById(R.id.tv_name);
         mCheckBox = (CheckBox) findViewById(android.R.id.checkbox);
     }
-
+    ///根据data的属性对各个控件的属性的控制，主要是可见性Visibility，内容setText，格式setTextAppearance
     public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
         if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
-            mCheckBox.setVisibility(View.VISIBLE);
-            mCheckBox.setChecked(checked);
+            mCheckBox.setVisibility(View.VISIBLE);  ///设置可见行为可见
+            mCheckBox.setChecked(checked);         ///格子打钩
         } else {
             mCheckBox.setVisibility(View.GONE);
         }
 
         mItemData = data;
+        ///设置控件属性，一共三种情况，由data的id和父id是否与保存到文件夹的id一致来决定
         if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
             mCallName.setVisibility(View.GONE);
             mAlert.setVisibility(View.VISIBLE);
+            //设置该textview的style
             mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
+            //settext为设置内容
             mTitle.setText(context.getString(R.string.call_record_folder_name)
                     + context.getString(R.string.format_folder_files_count, data.getNotesCount()));
             mAlert.setImageResource(R.drawable.call_record);
@@ -69,8 +75,9 @@ public class NotesListItem extends LinearLayout {
             mCallName.setText(data.getCallName());
             mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem);
             mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
+            ///关于闹钟的设置
             if (data.hasAlert()) {
-                mAlert.setImageResource(R.drawable.clock);
+                mAlert.setImageResource(R.drawable.clock);//图片来源的设置
                 mAlert.setVisibility(View.VISIBLE);
             } else {
                 mAlert.setVisibility(View.GONE);
@@ -78,45 +85,48 @@ public class NotesListItem extends LinearLayout {
         } else {
             mCallName.setVisibility(View.GONE);
             mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
-
+            ///设置title格式
             if (data.getType() == Notes.TYPE_FOLDER) {
                 mTitle.setText(data.getSnippet()
                         + context.getString(R.string.format_folder_files_count,
-                                data.getNotesCount()));
+                        data.getNotesCount()));
                 mAlert.setVisibility(View.GONE);
             } else {
                 mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
                 if (data.hasAlert()) {
-                    mAlert.setImageResource(R.drawable.clock);
+                    mAlert.setImageResource(R.drawable.clock);///设置图片来源
                     mAlert.setVisibility(View.VISIBLE);
                 } else {
                     mAlert.setVisibility(View.GONE);
                 }
             }
         }
-        mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
+        ///设置内容，获取相关时间，从data里编辑的日期中获取
+        mTime. setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
 
         setBackground(data);
     }
-
+    //根据data的文件属性来设置背景
     private void setBackground(NoteItemData data) {
         int id = data.getBgColorId();
+        //，若是note型文件，则4种情况，对于4种不同情况的背景来源
         if (data.getType() == Notes.TYPE_NOTE) {
+            //单个数据并且只有一个子文件夹
             if (data.isSingle() || data.isOneFollowingFolder()) {
                 setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));
-            } else if (data.isLast()) {
+            } else if (data.isLast()) {//是最后一个数据
                 setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id));
-            } else if (data.isFirst() || data.isMultiFollowingFolder()) {
+            } else if (data.isFirst() || data.isMultiFollowingFolder()) {//是一个数据并有多个子文件夹
                 setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id));
             } else {
                 setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
             }
         } else {
+            //若不是note直接调用文件夹的背景来源
             setBackgroundResource(NoteItemBgResources.getFolderBgRes());
         }
     }
-
     public NoteItemData getItemData() {
         return mItemData;
-    }
+    }//返回当前便签的数据信息
 }
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java
index 07c5f7e..75cfd3d 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java
@@ -47,66 +47,92 @@ import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.NoteColumns;
 import net.micode.notes.gtask.remote.GTaskSyncService;
 
-
+/*
+ *该类功能：NotesPreferenceActivity，在小米便签中主要实现的是对背景颜色和字体大小的数据储存。
+ *       继承了PreferenceActivity主要功能为对系统信息和配置进行自动保存的Activity
+ */
 public class NotesPreferenceActivity extends PreferenceActivity {
     public static final String PREFERENCE_NAME = "notes_preferences";
-
+    //优先名
     public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";
-
+    //同步账号
     public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";
-
+    //同步时间
     public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear";
 
     private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";
-
+    //同步密码
     private static final String AUTHORITIES_FILTER_KEY = "authorities";
-
+    //本地密码
     private PreferenceCategory mAccountCategory;
-
+    //账户分组
     private GTaskReceiver mReceiver;
-
+    //同步任务接收器
     private Account[] mOriAccounts;
-
+    //账户
     private boolean mHasAddedAccount;
+    //账户的hash标记
 
     @Override
+    /*
+     *函数功能：创建一个activity，在函数里要完成所有的正常静态设置
+     *参数：Bundle icicle：存放了 activity 当前的状态
+     *函数实现：如下注释
+     */
     protected void onCreate(Bundle icicle) {
+        //先执行父类的创建函数
         super.onCreate(icicle);
 
         /* using the app icon for navigation */
         getActionBar().setDisplayHomeAsUpEnabled(true);
+        //给左上角图标的左边加上一个返回的图标
 
         addPreferencesFromResource(R.xml.preferences);
+        //添加xml来源并显示 xml
         mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);
+        //根据同步账户关键码来初始化分组
         mReceiver = new GTaskReceiver();
         IntentFilter filter = new IntentFilter();
         filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);
         registerReceiver(mReceiver, filter);
+        //初始化同步组件
 
         mOriAccounts = null;
         View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null);
+        //获取listvivew，ListView的作用:用于列出所有选择
         getListView().addHeaderView(header, null, true);
+        //在listview组件上方添加其他组件
     }
 
     @Override
+    /*
+     * 函数功能：activity交互功能的实现，用于接受用户的输入
+     * 函数实现：如下注释
+     */
     protected void onResume() {
+        //先执行父类 的交互实现
         super.onResume();
 
         // need to set sync account automatically if user has added a new
         // account
         if (mHasAddedAccount) {
+            //若用户新加了账户则自动设置同步账户
             Account[] accounts = getGoogleAccounts();
+            //获取google同步账户
             if (mOriAccounts != null && accounts.length > mOriAccounts.length) {
+                //若原账户不为空且当前账户有增加
                 for (Account accountNew : accounts) {
                     boolean found = false;
                     for (Account accountOld : mOriAccounts) {
                         if (TextUtils.equals(accountOld.name, accountNew.name)) {
+                            //更新账户
                             found = true;
                             break;
                         }
                     }
                     if (!found) {
                         setSyncAccount(accountNew.name);
+                        //若是没有找到旧的账户，那么同步账号中就只添加新账户
                         break;
                     }
                 }
@@ -114,58 +140,83 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         }
 
         refreshUI();
+        //刷新标签界面
     }
 
     @Override
+    /*
+     * 函数功能：销毁一个activity
+     * 函数实现：如下注释
+     */
     protected void onDestroy() {
         if (mReceiver != null) {
             unregisterReceiver(mReceiver);
+            //注销接收器
         }
         super.onDestroy();
+        //执行父类的销毁动作
     }
 
+    /*
+     * 函数功能：重新设置账户信息
+     * 函数实现：如下注释
+     */
     private void loadAccountPreference() {
         mAccountCategory.removeAll();
-
+        //销毁所有的分组
         Preference accountPref = new Preference(this);
+        //建立首选项
         final String defaultAccount = getSyncAccountName(this);
         accountPref.setTitle(getString(R.string.preferences_account_title));
         accountPref.setSummary(getString(R.string.preferences_account_summary));
+        //设置首选项的大标题和小标题
         accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
             public boolean onPreferenceClick(Preference preference) {
+                //建立监听器
                 if (!GTaskSyncService.isSyncing()) {
                     if (TextUtils.isEmpty(defaultAccount)) {
                         // the first time to set account
+                        //若是第一次建立账户显示选择账户提示对话框
                         showSelectAccountAlertDialog();
                     } else {
                         // if the account has already been set, we need to promp
                         // user about the risk
+                        //若是已经建立则显示修改对话框并进行修改操作
                         showChangeAccountConfirmAlertDialog();
                     }
                 } else {
+                    //若在没有同步的情况下，则在toast中显示不能修改
                     Toast.makeText(NotesPreferenceActivity.this,
-                            R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT)
+                                    R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT)
                             .show();
                 }
                 return true;
             }
         });
 
+        //根据新建首选项编辑新的账户分组
         mAccountCategory.addPreference(accountPref);
     }
 
+    /*
+     *函数功能：设置按键的状态和最后同步的时间
+     *函数实现：如下注释
+     */
     private void loadSyncButton() {
         Button syncButton = (Button) findViewById(R.id.preference_sync_button);
         TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
-
+        //获取同步按钮控件和最终同步时间的的窗口
         // set button state
+        //设置按钮的状态
         if (GTaskSyncService.isSyncing()) {
+            //若是在同步状态下
             syncButton.setText(getString(R.string.preferences_button_sync_cancel));
             syncButton.setOnClickListener(new View.OnClickListener() {
                 public void onClick(View v) {
                     GTaskSyncService.cancelSync(NotesPreferenceActivity.this);
                 }
             });
+            //设置按钮显示的文本为“取消同步”以及监听器
         } else {
             syncButton.setText(getString(R.string.preferences_button_sync_immediately));
             syncButton.setOnClickListener(new View.OnClickListener() {
@@ -173,50 +224,67 @@ public class NotesPreferenceActivity extends PreferenceActivity {
                     GTaskSyncService.startSync(NotesPreferenceActivity.this);
                 }
             });
+            //若是不同步则设置按钮显示的文本为“立即同步”以及对应监听器
         }
         syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));
+        //设置按键可用还是不可用
 
         // set last sync time
+        // 设置最终同步时间
         if (GTaskSyncService.isSyncing()) {
+            //若是在同步的情况下
             lastSyncTimeView.setText(GTaskSyncService.getProgressString());
             lastSyncTimeView.setVisibility(View.VISIBLE);
+            // 根据当前同步服务器设置时间显示框的文本以及可见性
         } else {
+            //若是非同步情况
             long lastSyncTime = getLastSyncTime(this);
             if (lastSyncTime != 0) {
                 lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time,
                         DateFormat.format(getString(R.string.preferences_last_sync_time_format),
                                 lastSyncTime)));
                 lastSyncTimeView.setVisibility(View.VISIBLE);
+                //则根据最后同步时间的信息来编辑时间显示框的文本内容和可见性
             } else {
+                //若时间为空直接设置为不可见状态
                 lastSyncTimeView.setVisibility(View.GONE);
             }
         }
     }
-
+    /*
+     *函数功能：刷新标签界面
+     *函数实现：调用上文设置账号和设置按键两个函数来实现
+     */
     private void refreshUI() {
         loadAccountPreference();
         loadSyncButton();
     }
 
+    /*
+     * 函数功能：显示账户选择的对话框并进行账户的设置
+     * 函数实现：如下注释
+     */
     private void showSelectAccountAlertDialog() {
         AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
+        //创建一个新的对话框
 
         View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
         TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
         titleTextView.setText(getString(R.string.preferences_dialog_select_account_title));
         TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
         subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips));
-
+        //设置标题以及子标题的内容
         dialogBuilder.setCustomTitle(titleView);
         dialogBuilder.setPositiveButton(null, null);
-
+        //设置对话框的自定义标题，建立一个YES的按钮
         Account[] accounts = getGoogleAccounts();
         String defAccount = getSyncAccountName(this);
-
+        //获取同步账户信息
         mOriAccounts = accounts;
         mHasAddedAccount = false;
 
         if (accounts.length > 0) {
+            //若账户不为空
             CharSequence[] items = new CharSequence[accounts.length];
             final CharSequence[] itemMapping = items;
             int checkedItem = -1;
@@ -224,83 +292,119 @@ public class NotesPreferenceActivity extends PreferenceActivity {
             for (Account account : accounts) {
                 if (TextUtils.equals(account.name, defAccount)) {
                     checkedItem = index;
+                    //在账户列表中查询到所需账户
                 }
                 items[index++] = account.name;
             }
             dialogBuilder.setSingleChoiceItems(items, checkedItem,
+                    //在对话框建立一个单选的复选框
                     new DialogInterface.OnClickListener() {
                         public void onClick(DialogInterface dialog, int which) {
                             setSyncAccount(itemMapping[which].toString());
                             dialog.dismiss();
+                            //取消对话框
                             refreshUI();
                         }
+                        //设置点击后执行的事件，包括检录新同步账户和刷新标签界面
                     });
+            //建立对话框网络版的监听器
         }
 
         View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);
         dialogBuilder.setView(addAccountView);
+        //给新加账户对话框设置自定义样式
 
         final AlertDialog dialog = dialogBuilder.show();
+        //显示对话框
         addAccountView.setOnClickListener(new View.OnClickListener() {
             public void onClick(View v) {
                 mHasAddedAccount = true;
+                //将新加账户的hash置true
                 Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
+                //建立网络建立组件
                 intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] {
-                    "gmail-ls"
+                        "gmail-ls"
                 });
                 startActivityForResult(intent, -1);
+                //跳回上一个选项
                 dialog.dismiss();
             }
         });
+        //建立新加账户对话框的监听器
     }
 
+    /*
+     * 函数功能：显示账户选择对话框和相关账户操作
+     * 函数实现：如下注释
+     */
     private void showChangeAccountConfirmAlertDialog() {
         AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
-
+        //创建一个新的对话框
         View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
         TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
         titleTextView.setText(getString(R.string.preferences_dialog_change_account_title,
                 getSyncAccountName(this)));
         TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
         subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
+        //根据同步修改的账户信息设置标题以及子标题的内容
         dialogBuilder.setCustomTitle(titleView);
-
+        //设置对话框的自定义标题
         CharSequence[] menuItemArray = new CharSequence[] {
                 getString(R.string.preferences_menu_change_account),
                 getString(R.string.preferences_menu_remove_account),
                 getString(R.string.preferences_menu_cancel)
         };
+        //定义一些标记字符串
         dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
+            //设置对话框要显示的一个list，用于显示几个命令时,即change，remove，cancel
             public void onClick(DialogInterface dialog, int which) {
+                //按键功能，由which来决定
                 if (which == 0) {
+                    //进入账户选择对话框
                     showSelectAccountAlertDialog();
                 } else if (which == 1) {
+                    //删除账户并且跟新便签界面
                     removeSyncAccount();
                     refreshUI();
                 }
             }
         });
         dialogBuilder.show();
+        //显示对话框
     }
 
+    /*
+     *函数功能：获取谷歌账户
+     *函数实现：通过账户管理器直接获取
+     */
     private Account[] getGoogleAccounts() {
         AccountManager accountManager = AccountManager.get(this);
         return accountManager.getAccountsByType("com.google");
     }
 
+    /*
+     * 函数功能：设置同步账户
+     * 函数实现：如下注释：
+     */
     private void setSyncAccount(String account) {
         if (!getSyncAccountName(this).equals(account)) {
+            //假如该账号不在同步账号列表中
             SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
             SharedPreferences.Editor editor = settings.edit();
+            //编辑共享的首选项
             if (account != null) {
                 editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account);
             } else {
                 editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
             }
+            //将该账号加入到首选项中
+
             editor.commit();
+            //提交修改的数据
+
 
-            // clean up last sync time
             setLastSyncTime(this, 0);
+            //将最后同步时间清零
 
             // clean up local gtask related info
             new Thread(new Runnable() {
@@ -311,23 +415,33 @@ public class NotesPreferenceActivity extends PreferenceActivity {
                     getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
                 }
             }).start();
+            //重置当地同步任务的信息
 
             Toast.makeText(NotesPreferenceActivity.this,
                     getString(R.string.preferences_toast_success_set_accout, account),
                     Toast.LENGTH_SHORT).show();
+            //将toast的文本信息置为“设置账户成功”并显示出来
         }
     }
-
+    /*
+     * 函数功能：删除同步账户
+     * 函数实现：如下注释：
+     */
     private void removeSyncAccount() {
         SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
         SharedPreferences.Editor editor = settings.edit();
+        //设置共享首选项
+
         if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
             editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME);
+            //假如当前首选项中有账户就删除
         }
         if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) {
             editor.remove(PREFERENCE_LAST_SYNC_TIME);
+            //删除当前首选项中有账户时间
         }
         editor.commit();
+        //提交更新后的数据
 
         // clean up local gtask related info
         new Thread(new Runnable() {
@@ -338,51 +452,79 @@ public class NotesPreferenceActivity extends PreferenceActivity {
                 getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
             }
         }).start();
+        //重置当地同步任务的信息
     }
 
+    /*
+     * 函数功能：获取同步账户名称
+     * 函数实现：通过共享的首选项里的信息直接获取
+     */
     public static String getSyncAccountName(Context context) {
         SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                 Context.MODE_PRIVATE);
         return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
     }
 
+    /*
+     * 函数功能：设置最终同步的时间
+     * 函数实现：如下注释
+     */
     public static void setLastSyncTime(Context context, long time) {
         SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                 Context.MODE_PRIVATE);
         SharedPreferences.Editor editor = settings.edit();
+        // 从共享首选项中找到相关账户并获取其编辑器
         editor.putLong(PREFERENCE_LAST_SYNC_TIME, time);
         editor.commit();
+        //编辑最终同步时间并提交更新
     }
-
+    /*
+     * 函数功能：获取最终同步时间
+     * 函数实现：通过共享的首选项里的信息直接获取
+     */
     public static long getLastSyncTime(Context context) {
         SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                 Context.MODE_PRIVATE);
         return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
     }
 
+    /*
+     * 函数功能：接受同步信息
+     * 函数实现：继承BroadcastReceiver
+     */
     private class GTaskReceiver extends BroadcastReceiver {
 
         @Override
         public void onReceive(Context context, Intent intent) {
             refreshUI();
             if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) {
+                //获取随广播而来的Intent中的同步服务的数据
                 TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
                 syncStatus.setText(intent
                         .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
+                //通过获取的数据在设置系统的状态
             }
 
         }
     }
 
+    /*
+     * 函数功能：处理菜单的选项
+     * 函数实现：如下注释
+     * 参数:MenuItem菜单选项
+     */
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
+            //根据选项的id选择，这里只有一个主页
             case android.R.id.home:
                 Intent intent = new Intent(this, NotesListActivity.class);
                 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
                 startActivity(intent);
                 return true;
+            //在主页情况下在创建连接组件intent，发出清空的信号并开始一个相应的activity
             default:
                 return false;
         }
     }
 }
+ 
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/widget/NoteWidgetProvider.java b/src/Notes-master1/app/src/main/java/net/micode/notes/widget/NoteWidgetProvider.java
index ec6f819..275c0b9 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/widget/NoteWidgetProvider.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/widget/NoteWidgetProvider.java
@@ -32,7 +32,7 @@ import net.micode.notes.tool.ResourceParser;
 import net.micode.notes.ui.NoteEditActivity;
 import net.micode.notes.ui.NotesListActivity;
 
-public abstract class NoteWidgetProvider extends AppWidgetProvider {
+public abstract class NoteWidgetProvider extends AppWidgetProvider {//构造了一个类继承Android原有的AppWidgetProvider类
     public static final String [] PROJECTION = new String [] {
         NoteColumns.ID,
         NoteColumns.BG_COLOR_ID,
@@ -42,8 +42,7 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
     public static final int COLUMN_ID           = 0;
     public static final int COLUMN_BG_COLOR_ID  = 1;
     public static final int COLUMN_SNIPPET      = 2;
-
-    private static final String TAG = "NoteWidgetProvider";
+    private static final String TAG = "NoteWidgetProvider";//定义TAG为NoteWidgetProvider
 
     @Override
     public void onDeleted(Context context, int[] appWidgetIds) {
@@ -55,7 +54,9 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
                     NoteColumns.WIDGET_ID + "=?",
                     new String[] { String.valueOf(appWidgetIds[i])});
         }
-    }
+    }/* 方法：重载删除的过程，在删除的同时，把当前对应的窗口给关闭，
+    也即把WIDGET_ID映射为INVALID_APPWIGET_ID，
+    就是把当前窗口id标记为无效窗口。然后把这个修改应用到所有关联的uri便签 */
 
     private Cursor getNoteWidgetInfo(Context context, int widgetId) {
         return context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
@@ -67,10 +68,10 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
 
     protected void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
         update(context, appWidgetManager, appWidgetIds, false);
-    }
+    }//更新widget的信息
 
     private void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds,
-            boolean privacyMode) {
+            boolean privacyMode) {//widget信息的更新方法
         for (int i = 0; i < appWidgetIds.length; i++) {
             if (appWidgetIds[i] != AppWidgetManager.INVALID_APPWIDGET_ID) {
                 int bgId = ResourceParser.getDefaultBgId(context);
@@ -105,6 +106,7 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
                 intent.putExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, bgId);
                 /**
                  * Generate the pending intent to start host for the widget
+                 * 为小部件生成启动主机的挂起意图
                  */
                 PendingIntent pendingIntent = null;
                 if (privacyMode) {
@@ -124,9 +126,9 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
         }
     }
 
-    protected abstract int getBgResourceId(int bgId);
+    protected abstract int getBgResourceId(int bgId);//从背景资源中获取当前应用ID
 
-    protected abstract int getLayoutId();
+    protected abstract int getLayoutId();//获取部局ID
 
-    protected abstract int getWidgetType();
+    protected abstract int getWidgetType();//获取挂件的类型，即2x2型或者4x4型
 }
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/widget/NoteWidgetProvider_2x.java b/src/Notes-master1/app/src/main/java/net/micode/notes/widget/NoteWidgetProvider_2x.java
index adcb2f7..d1586ec 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/widget/NoteWidgetProvider_2x.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/widget/NoteWidgetProvider_2x.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package net.micode.notes.widget;
+package net.micode.notes.widget;//声明小米便签窗口部件包
 
 import android.appwidget.AppWidgetManager;
 import android.content.Context;
@@ -24,24 +24,24 @@ import net.micode.notes.data.Notes;
 import net.micode.notes.tool.ResourceParser;
 
 
-public class NoteWidgetProvider_2x extends NoteWidgetProvider {
+public class NoteWidgetProvider_2x extends NoteWidgetProvider {//定义2*2大小的widget
     @Override
     public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
         super.update(context, appWidgetManager, appWidgetIds);
-    }
+    } //更新窗口
 
     @Override
     protected int getLayoutId() {
         return R.layout.widget_2x;
-    }
+    }//获取窗口布局
 
     @Override
-    protected int getBgResourceId(int bgId) {
+    protected int getBgResourceId(int bgId) {//获取背景颜色id
         return ResourceParser.WidgetBgResources.getWidget2xBgResource(bgId);
     }
 
     @Override
     protected int getWidgetType() {
         return Notes.TYPE_WIDGET_2X;
-    }
+    } //确定窗口大小
 }
diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/widget/NoteWidgetProvider_4x.java b/src/Notes-master1/app/src/main/java/net/micode/notes/widget/NoteWidgetProvider_4x.java
index c12a02e..1e85f60 100644
--- a/src/Notes-master1/app/src/main/java/net/micode/notes/widget/NoteWidgetProvider_4x.java
+++ b/src/Notes-master1/app/src/main/java/net/micode/notes/widget/NoteWidgetProvider_4x.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package net.micode.notes.widget;
+package net.micode.notes.widget;//声明小米便签窗口部件包
 
 import android.appwidget.AppWidgetManager;
 import android.content.Context;
@@ -28,14 +28,14 @@ public class NoteWidgetProvider_4x extends NoteWidgetProvider {
     @Override
     public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
         super.update(context, appWidgetManager, appWidgetIds);
-    }
+    }//更新窗口
 
     protected int getLayoutId() {
         return R.layout.widget_4x;
-    }
+    }//获取窗口布局
 
     @Override
-    protected int getBgResourceId(int bgId) {
+    protected int getBgResourceId(int bgId) {//获取背景颜色id
         return ResourceParser.WidgetBgResources.getWidget4xBgResource(bgId);
     }
 
@@ -43,4 +43,4 @@ public class NoteWidgetProvider_4x extends NoteWidgetProvider {
     protected int getWidgetType() {
         return Notes.TYPE_WIDGET_4X;
     }
-}
+} //确定窗口大小
diff --git a/src/Notes-master1/app/src/main/res/values/styles.xml b/src/Notes-master1/app/src/main/res/values/styles.xml
index d750e65..486abc0 100644
--- a/src/Notes-master1/app/src/main/res/values/styles.xml
+++ b/src/Notes-master1/app/src/main/res/values/styles.xml
@@ -63,7 +63,7 @@
     </style>
 
     <style name="NoteActionBarStyle" parent="@android:style/Widget.Holo.Light.ActionBar.Solid">
-        <item name="android:displayOptions" />
-        <item name="android:visibility">gone</item>
+<!--        <item name="android:displayOptions" />-->
+        <item name="android:visibility">visible</item>
     </style>
 </resources>
\ No newline at end of file
diff --git a/src/Notes-master1/local.properties b/src/Notes-master1/local.properties
index 9cd754a..6290b01 100644
--- a/src/Notes-master1/local.properties
+++ b/src/Notes-master1/local.properties
@@ -2,6 +2,7 @@
 # as it contains information specific to your local configuration.
 #
 # Location of the SDK. This is only used by Gradle.
-#
-#Fri Mar 24 15:00:12 CST 2023
-sdk.dir=C\:\\Users\\86147\\AppData\\Local\\Android\\Sdk
+# For customization when using a Version Control System, please read the
+# header note.
+#Fri Mar 31 15:41:34 CST 2023
+sdk.dir=C\:\\Users\\86158\\AppData\\Local\\Android\\Sdk