();
+ }
+
+ // 查找HashMap中是否已有phoneNumber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);
+
+ // 判定查询结果
+ // moveToFirst()返回第一条
+ if (cursor != null && cursor.moveToFirst()) {
+ try {
+ // 找到相关信息
+ String name = cursor.getString(0);
+ sContactCache.put(phoneNumber, name);
+ return name;
+ // 异常
+ } catch (IndexOutOfBoundsException e) {
+ Log.e(TAG, " Cursor get string error " + e.toString());
+ return null;
+ } finally {
+ cursor.close();
+ }
+ // 未找到相关信息
+ } else {
+ Log.d(TAG, "No contact matched with number:" + phoneNumber);
+ return null;
+ }
+ }
+}
diff --git a/src/Notes-master/src/net/micode/notes/data/Notes.java b/src/Notes-master/src/net/micode/notes/data/Notes.java
new file mode 100644
index 0000000..1cdfe5e
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/data/Notes.java
@@ -0,0 +1,319 @@
+/*
+ * 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.ContentUris;
+import android.net.Uri;
+// Notes 类中定义了很多常量，这些常量大多是int型和string型
+public class Notes {
+ public static final String AUTHORITY = "micode_notes";
+ public static final String TAG = "Notes";
+
+ //以下三个常量对NoteColumns.TYPE的值进行设置时会用到
+ 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");//定义查询便签和文件夹的指针。
+
+// public static final Uri my_URI = ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI , 10);
+
+ /**
+ * Uri to query data
+ */
+ public static final Uri CONTENT_DATA_URI = Uri.parse("content://" +
+
+AUTHORITY + "/data");//定义查找数据的指针。
+
+ // 定义NoteColumns的常量,用于后面创建数据库的表头
+ public interface NoteColumns {
+ /**
+ * The unique ID for a row
+ * Type: INTEGER (long)
+ */
+ public static final String ID = "_id";
+
+ /**
+ * The parent's id for note or folder
+ * Type: INTEGER (long)
+ */
+ public static final String PARENT_ID = "parent_id";//为什么会有parent_id
+
+ /**
+ * Created data for note or folder
+ * Type: INTEGER (long)
+ */
+ public static final String CREATED_DATE = "created_date";
+
+ /**
+ * Latest modified date
+ * Type: INTEGER (long)
+ */
+ public static final String MODIFIED_DATE = "modified_date";
+
+
+ /**
+ * Alert date
+ * Type: INTEGER (long)
+ */
+ public static final String ALERTED_DATE = "alert_date";
+
+ /**
+ * Folder's name or text content of note
+ * Type: TEXT
+ */
+ public static final String SNIPPET = "snippet";
+
+ /**
+ * Note's widget id
+ * Type: INTEGER (long)
+ */
+ public static final String WIDGET_ID = "widget_id";
+
+ /**
+ * Note's widget type
+ * Type: INTEGER (long)
+ */
+ public static final String WIDGET_TYPE = "widget_type";
+
+ /**
+ * Note's background color's id
+ * Type: INTEGER (long)
+ */
+ 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
+ * Type: INTEGER
+ */
+ public static final String HAS_ATTACHMENT = "has_attachment";
+
+ /**
+ * Folder's count of notes
+ * Type: INTEGER (long)
+ */
+ public static final String NOTES_COUNT = "notes_count";
+
+ /**
+ * The file type: folder or note
+ * Type: INTEGER
+ */
+ public static final String TYPE = "type";
+
+ /**
+ * The last sync id
+ * Type: INTEGER (long)
+ */
+ public static final String SYNC_ID = "sync_id";//同步
+
+ /**
+ * Sign to indicate local modified or not
+ * Type: INTEGER
+ */
+ public static final String LOCAL_MODIFIED = "local_modified";
+
+ /**
+ * Original parent id before moving into temporary folder
+ * Type : INTEGER
+ */
+ public static final String ORIGIN_PARENT_ID = "origin_parent_id";
+
+ /**
+ * The gtask id
+ * Type : TEXT
+ */
+ public static final String GTASK_ID = "gtask_id";
+
+ /**
+ * The version code
+ * Type : INTEGER (long)
+ */
+ public static final String VERSION = "version";
+ }//这些常量主要是定义便签的属性的。
+
+ // 定义DataColumns的常量,用于后面创建数据库的表头
+ public interface DataColumns {
+ /**
+ * The unique ID for a row
+ * Type: INTEGER (long)
+ */
+ public static final String ID = "_id";
+
+ /**
+ * The MIME type of the item represented by this row.
+ * Type: Text
+ */
+ public static final String MIME_TYPE = "mime_type";
+
+ /**
+ * The reference id to note that this data belongs to
+ * Type: INTEGER (long)
+ */
+ public static final String NOTE_ID = "note_id";
+
+ /**
+ * Created data for note or folder
+ * Type: INTEGER (long)
+ */
+ public static final String CREATED_DATE = "created_date";
+
+ /**
+ * Latest modified date
+ * Type: INTEGER (long)
+ */
+ public static final String MODIFIED_DATE = "modified_date";
+
+ /**
+ * Data's content
+ * Type: TEXT
+ */
+ public static final String CONTENT = "content";
+
+
+ /**
+ * Generic data column, the meaning is {@link #MIMETYPE} specific,
+used for
+ * integer data type
+ * Type: INTEGER
+ */
+ public static final String DATA1 = "data1";
+
+ /**
+ * Generic data column, the meaning is {@link #MIMETYPE} specific,
+used for
+ * integer data type
+ * Type: INTEGER
+ */
+ public static final String DATA2 = "data2";
+
+ /**
+ * Generic data column, the meaning is {@link #MIMETYPE} specific,
+used for
+ * TEXT data type
+ * Type: TEXT
+ */
+ public static final String DATA3 = "data3";
+
+ /**
+ * Generic data column, the meaning is {@link #MIMETYPE} specific,
+used for
+ * TEXT data type
+ * Type: TEXT
+ */
+ public static final String DATA4 = "data4";
+
+ /**
+ * Generic data column, the meaning is {@link #MIMETYPE} specific,
+used for
+ * TEXT data type
+ * Type: TEXT
+ */
+ public static final String DATA5 = "data5";
+ }//主要是定义存储便签内容数据的
+ public static final class TextNote implements DataColumns {
+ /**
+ * Mode to indicate the text in check list mode or not
+ * Type: Integer 1:check list mode 0: normal mode
+ */
+ 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");
+ }//文本内容的数据结构
+
+ public static final class CallNote implements DataColumns {
+ /**
+ * Call date for this record
+ * Type: INTEGER (long)
+ */
+ public static final String CALL_DATE = DATA1;
+
+ /**
+ * Phone number for this record
+ * Type: TEXT
+ */
+ 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");
+ }//电话内容的数据结构
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/data/NotesDatabaseHelper.java b/src/Notes-master/src/net/micode/notes/data/NotesDatabaseHelper.java
new file mode 100644
index 0000000..66463b2
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/data/NotesDatabaseHelper.java
@@ -0,0 +1,365 @@
+/*
+ * 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;//就是用于保存一些数据（string boolean byte double float int long short ...）信息，这些信息可以被数据库操作时使用。
+import android.content.Context;//加载和访问资源。（android中主要是这两个功能，但是这里具体不清楚）
+import android.database.sqlite.SQLiteDatabase;//主要提供了对应于添加、删除、更新、查询的操作方法： insert()、delete()、update()和query()。配合content.values
+import android.database.sqlite.SQLiteOpenHelper;//用来管理数据的创建和版本更新
+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;
+//数据库操作，用SQLOpenhelper,对一些note和文件进行数据库的操作，比如删除文件后，将文件里的note也相应删除
+
+public class NotesDatabaseHelper extends SQLiteOpenHelper {
+ private static final String DB_NAME = "note.db";
+
+ private static final int DB_VERSION = 4;
+
+ public interface TABLE { //接口，分成note和data，在后面的程序里分别使用过
+ 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" +
+ ")";//数据库中需要存储的项目的名称，就相当于创建一个表格的表头的内容。
+
+ 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 ''" +
+ ")";//和上面的功能一样，主要是存储的项目不同
+
+ private static final String CREATE_DATA_NOTE_ID_INDEX_SQL =
+ "CREATE INDEX IF NOT EXISTS note_id_index ON " +
+ TABLE.DATA + "(" + DataColumns.NOTE_ID + ");";//存储便签编号的一个数据表格
+
+ /**
+ * 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";//在文件夹中移入一个Note之后需要更改的数据的表格。
+
+ /**
+ * 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";//在文件夹中移出一个Note之后需要更改的数据的表格。
+
+ /**
+ * 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";//在文件夹中插入一个Note之后需要更改的数据的表格。
+
+ /**
+ * 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";//在文件夹中删除一个Note之后需要更改的数据的表格。
+
+ /**
+ * 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";//在文件夹中对一个Note导入新的数据之后需要更改的数据的表格。
+
+ /**
+ * 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";//Note数据被修改后需要更改的数据的表格。
+
+ /**
+ * 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";//Note数据被删除后需要更改的数据的表格。
+
+ /**
+ * 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";//删除已删除的便签的数据后需要更改的数据的表格。
+
+ /**
+ * 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";//删除已删除的文件夹的便签后需要更改的数据的表格。
+
+ /**
+ * 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";//还原垃圾桶中便签后需要更改的数据的表格。
+
+ public NotesDatabaseHelper(Context context) {
+ super(context, DB_NAME, null, DB_VERSION);
+ }//构造函数，传入数据库的名称和版本
+
+ public void createNoteTable(SQLiteDatabase db) {
+ db.execSQL(CREATE_NOTE_TABLE_SQL);
+ reCreateNoteTableTriggers(db);
+ createSystemFolder(db);
+ Log.d(TAG, "note table has been created");
+ }//创建表格（用来存储标签属性）
+
+ 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);
+ }//execSQL是数据库操作的API，主要是更改行为的SQL语句。
+ //在这里主要是用来重新创建上述定义的表格用的，先删除原来有的数据库的触发器再重新创建新的数据库
+
+ 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);
+ }//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");
+ }//创建表格（用来存储标签内容）
+
+ 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);
+ }//同上面的execSQL
+
+ static synchronized NotesDatabaseHelper getInstance(Context context) {
+ if (mInstance == null) {
+ mInstance = new NotesDatabaseHelper(context);
+ }
+ return mInstance;
+ }//上网查是为解决同一时刻只能有一个线程执行.
+ //在写程序库代码时，有时有一个类需要被所有的其它类使用，
+ //但又要求这个类只能被实例化一次，是个服务类，定义一次，其它类使用同一个这个类的实例
+
+ @Override
+ public void onCreate(SQLiteDatabase db) {
+ createNoteTable(db);
+ createDataTable(db);
+ }//实现两个表格（上面创建的两个表格）
+
+ @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");
+ }
+ }//数据库版本的更新（数据库内容的更改）
+
+ 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);
+ }//更新到V2版本
+
+ 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);
+ }//更新到V3版本
+
+ private void upgradeToV4(SQLiteDatabase db) {
+ db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION
+ + " INTEGER NOT NULL DEFAULT 0");
+ }//更新到V4版本,但是不知道V2、V3、V4是什么意思
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/data/NotesProvider.java b/src/Notes-master/src/net/micode/notes/data/NotesProvider.java
new file mode 100644
index 0000000..1ed1bd8
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/data/NotesProvider.java
@@ -0,0 +1,336 @@
+/*
+ * 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;
+//为存储和获取数据提供接口。可以在不同的应用程序之间共享数据
+//ContentProvider提供的方法
+//query：查询
+//insert：插入
+//update：更新
+//delete：删除
+//getType：得到数据类型
+public class NotesProvider extends ContentProvider {
+ // UriMatcher用于匹配Uri
+ 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 {
+ // 创建UriMatcher时，调用UriMatcher(UriMatcher.NO_MATCH)表示不匹配任何路径的返回码
+ mMatcher = new UriMatcher(UriMatcher.NO_MATCH);
+ // 把需要匹配Uri路径全部给注册上
+ 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.
+ */
+ // 声明 NOTES_SEARCH_PROJECTION
+ 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;
+ // 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
+ // Context只有在onCreate()中才被初始化
+ // 对mHelper进行实例化
+ public boolean onCreate() {
+ mHelper = NotesDatabaseHelper.getInstance(getContext());
+ return true;
+ }
+
+ @Override
+ // 查询uri在数据库中对应的位置
+ public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
+ String sortOrder) {
+ Cursor c = null;
+ // 获取可读数据库
+ SQLiteDatabase db = mHelper.getReadableDatabase();
+ String id = null;
+ // 匹配查找uri
+ switch (mMatcher.match(uri)) {
+ // 对于不同的匹配值，在数据库中查找相应的条目
+ 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) {
+ // 不合法的参数异常
+ 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) {
+ // getPathSegments()方法得到一个String的List，
+ // 在uri.getPathSegments().get(1)为第2个元素
+ 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:
+ // 抛出异常
+ throw new IllegalArgumentException("Unknown URI " + uri);
+ }
+ if (c != null) {
+ c.setNotificationUri(getContext().getContentResolver(), uri);
+ }
+ return c;
+ }
+
+ @Override
+ // 插入一个uri
+ public Uri insert(Uri uri, ContentValues values) {
+ // 获得可写的数据库
+ SQLiteDatabase db = mHelper.getWritableDatabase();
+ long dataId = 0, noteId = 0, insertedId = 0;
+ switch (mMatcher.match(uri)) {
+ // 新增一个条目
+ case URI_NOTE:
+ insertedId = noteId = db.insert(TABLE.NOTE, null, values);
+ break;
+ // 如果存在，查找NOTE_ID
+ 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
+ // notifyChange获得一个ContextResolver对象并且更新里面的内容
+ 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);
+ }
+
+ // 返回插入的uri的路径
+ return ContentUris.withAppendedId(uri, insertedId);
+ }
+
+ @Override
+ // 删除一个uri
+ public int delete(Uri uri, String selection, String[] selectionArgs) {
+ //Uri代表要操作的数据，Android上可用的每种资源 -包括 图像、视频片段、音频资源等都可以用Uri来表示。
+ int count = 0;
+ String id = null;
+ // 获得可写的数据库
+ 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
+ // 更新一个uri
+ 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;
+ }
+
+ // 将字符串解析成规定格式
+ private String parseSelection(String selection) {
+ return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : "");
+ }
+
+ //增加一个noteVersion
+ 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);
+ }
+
+ // execSQL()方法可以执行insert、delete、update和CREATE TABLE之类有更改行为的SQL语句
+ mHelper.getWritableDatabase().execSQL(sql.toString());
+ }
+
+ @Override
+ public String getType(Uri uri) {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/gtask/data/MetaData.java b/src/Notes-master/src/net/micode/notes/gtask/data/MetaData.java
new file mode 100644
index 0000000..7955905
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/gtask/data/MetaData.java
@@ -0,0 +1,120 @@
+/*
+ * 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;
+
+public class MetaData extends Task {
+ /*
+ * 功能描述：得到类的简写名称存入字符串TAG中
+ * 实现过程：调用getSimpleName ()函数
+ */
+ private final static String TAG = MetaData.class.getSimpleName();
+ private String mRelatedGid = null;
+ /*
+ * 功能描述：设置数据，即生成元数据库
+ * 实现过程：调用JSONObject库函数put ()，Task类中的setNotes ()和setName ()函数
+ * 参数注解：
+ */
+ public void setMeta(String gid, JSONObject metaInfo)
+ {
+ //对函数块进行注释
+ try {
+ metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);
+ /*
+ * 将这对键值放入metaInfo这个jsonobject对象中
+ */
+ } catch (JSONException e) {
+ Log.e(TAG, "failed to put related gid");
+ /*
+ * 输出错误信息
+ */
+ }
+ setNotes(metaInfo.toString());
+ setName(GTaskStringUtils.META_NOTE_NAME);
+ }
+ /*
+ * 功能描述：获取相关联的Gid
+ */
+ public String getRelatedGid() {
+ return mRelatedGid;
+ }
+ /*
+ * 功能描述：判断当前数据是否为空，若为空则返回真即值得保存
+ * Made By CuiCan
+ */
+ @Override
+ public boolean isWorthSaving() {
+ return getNotes() != null;
+ }
+ /*
+ * 功能描述：使用远程json数据对象设置元数据内容
+ * 实现过程：调用父类Task中的setContentByRemoteJSON ()函数，并
+ * 参数注解：
+ */
+ @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");
+ /*
+ * 输出警告信息
+ */
+ mRelatedGid = null;
+ }
+ }
+ }
+ /*
+ * 功能描述：使用本地json数据对象设置元数据内容，一般不会用到，若用到，则抛出异常
+ * Made By CuiCan
+ */
+ @Override
+ public void setContentByLocalJSON(JSONObject js) {
+ // this function should not be called
+ throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
+ /*
+ * 传递非法参数异常
+ */
+ }
+ /*
+ * 功能描述：从元数据内容中获取本地json对象，一般不会用到，若用到，则抛出异常
+ * Made By CuiCan
+ */
+ @Override
+ public JSONObject getLocalJSONFromContent() {
+ throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");
+ /*
+ * 传递非法参数异常
+ * Made By Cui Can
+ */
+ }
+ /*
+ * 功能描述：获取同步动作状态，一般不会用到，若用到，则抛出异常
+ * Made By CuiCan
+ */
+ @Override
+ public int getSyncAction(Cursor c) {
+ throw new IllegalAccessError("MetaData:getSyncAction should not be called");
+ /*
+ * 传递非法参数异常
+ * Made By Cui Can
+ */
+ }
+
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/gtask/data/Node.java b/src/Notes-master/src/net/micode/notes/gtask/data/Node.java
new file mode 100644
index 0000000..ce1fce9
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/gtask/data/Node.java
@@ -0,0 +1,106 @@
+/*
+ * 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 org.json.JSONObject;
+
+/**
+ * 应该是同步操作的基础数据类型，定义了相关指示同步操作的常量
+ * 关键字：abstract
+ */
+public abstract class Node {
+ //定义了各种用于表征同步状态的常量
+ public static final int SYNC_ACTION_NONE = 0;// 本地和云端都无可更新内容（即本地和云端内容一致）
+
+ 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;
+
+ private String mName;
+
+ private long mLastModified;//记录最后一次修改时间
+
+ private boolean mDeleted;//表征是否被删除
+
+ public Node() {
+ mGid = null;
+ mName = "";
+ mLastModified = 0;
+ mDeleted = false;
+ }
+
+ public abstract JSONObject getCreateAction(int actionId);
+
+ public abstract JSONObject getUpdateAction(int actionId);
+
+ public abstract void setContentByRemoteJSON(JSONObject js);
+
+ public abstract void setContentByLocalJSON(JSONObject js);
+
+ public abstract JSONObject getLocalJSONFromContent();
+
+ public abstract int getSyncAction(Cursor c);
+
+ public void setGid(String gid) {
+ this.mGid = gid;
+ }
+
+ public void setName(String name) {
+ this.mName = name;
+ }
+
+ public void setLastModified(long lastModified) {
+ this.mLastModified = lastModified;
+ }
+
+ public void setDeleted(boolean deleted) {
+ this.mDeleted = deleted;
+ }
+
+ public String getGid() {
+ return this.mGid;
+ }
+
+ public String getName() {
+ return this.mName;
+ }
+
+ public long getLastModified() {
+ return this.mLastModified;
+ }
+
+ public boolean getDeleted() {
+ return this.mDeleted;
+ }
+
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/gtask/data/SqlData.java b/src/Notes-master/src/net/micode/notes/gtask/data/SqlData.java
new file mode 100644
index 0000000..90cefc7
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/gtask/data/SqlData.java
@@ -0,0 +1,240 @@
+/*
+ * 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.
+ */
+
+/*
+ * Description：用于支持小米便签最底层的数据库相关操作，和sqlnote的关系上是子集关系，即data是note的子集（节点）。
+ * SqlData其实就是也就是所谓数据中的数据
+ */
+
+package net.micode.notes.gtask.data;
+/*
+ * 功能描述：
+ * 实现过程：
+ * 参数注解：
+ * Made By CuiCan
+ */
+
+public class SqlData {
+ /*
+ * 功能描述：得到类的简写名称存入字符串TAG中
+ * 实现过程：调用getSimpleName ()函数
+ * Made By CuiCan
+ */
+ private static final String TAG = SqlData.class.getSimpleName();
+
+ 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;
+
+ /*
+ * 功能描述：构造函数，用于初始化数据
+ * 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）
+ * 参数注解：
+ * Made By CuiCan
+ */
+ public SqlData(Context context) {
+ mContentResolver = context.getContentResolver();
+ mIsCreate = true;
+ mDataId = INVALID_ID;//mDataId置初始值-99999
+ 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）
+ * 参数注解：
+ * Made By CuiCan
+ */
+ public SqlData(Context context, Cursor c) {
+ mContentResolver = context.getContentResolver();
+ mIsCreate = false;
+ loadFromCursor(c);
+ mDiffDataValues = new ContentValues();
+ }
+
+ /*
+ * 功能描述：从光标处加载数据
+ * 从当前的光标处将五列的数据加载到该类的对象
+ * Made By CuiCan
+ */
+ 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
+ * 参数注解：
+ * Made By CuiCan
+ */
+ public void setContent(JSONObject js) throws JSONException {
+ //如果传入的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
+ * 参数注解：
+ * Made By CuiCan
+ */
+ 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;
+ }
+
+ /*
+ * 功能描述：commit函数用于把当前造作所做的修改保存到数据库
+ * 参数注解：
+ * Made By CuiCan
+ */
+ 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;
+ }
+
+ /*
+ * 功能描述：获取当前id
+ * 实现过程：
+ * 参数注解：
+ * Made By CuiCan
+ */
+ public long getId() {
+ return mDataId;
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/gtask/data/SqlNote.java b/src/Notes-master/src/net/micode/notes/gtask/data/SqlNote.java
new file mode 100644
index 0000000..9dc30c5
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/gtask/data/SqlNote.java
@@ -0,0 +1,593 @@
+/*
+ * 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.
+ */
+
+/*
+ * Description：用于支持小米便签最底层的数据库相关操作，和sqldata的关系上是父集关系，即note是data的子父集。
+ * 和SqlData相比，SqlNote算是真正意义上的数据了。
+ */
+
+package net.micode.notes.gtask.data;
+/*
+ * 功能描述：
+ * 实现过程：
+ * 参数注解：
+ * Made By CuiCan
+ */
+
+public class SqlNote {
+ /*
+ * 功能描述：得到类的简写名称存入字符串TAG中
+ * 实现过程：调用getSimpleName ()函数
+ * Made By CuiCan
+ */
+ private static final String TAG = SqlNote.class.getSimpleName();
+
+ private static final int INVALID_ID = -99999;
+ // 集合了interface NoteColumns中所有SF常量（17个）
+ 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
+ };
+
+ //以下设置17个列的编号
+ 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;
+
+ //一下定义了17个内部的变量，其中12个可以由content中获得，5个需要初始化为0或者new
+ 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 mDataList;
+
+ /*
+ * 功能描述：构造函数
+ * 参数注解： mIsCreate用于标示构造方式
+ * 参数注解：
+ * Made By CuiCan
+ */
+ //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();
+ }
+
+
+ /*
+ * 功能描述：构造函数
+ * 参数注解： mIsCreate用于标示构造方式
+ * 参数注解：
+ * Made By CuiCan
+ */
+ //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();
+ //
+ if (mType == Notes.TYPE_NOTE)
+ loadDataContent();
+ mDiffNoteValues = new ContentValues();
+ }
+
+
+ /*
+ * 功能描述：构造函数
+ * 参数注解： mIsCreate用于标示构造方式
+ * 参数注解：
+ * Made By CuiCan
+ */
+ public SqlNote(Context context, long id) {
+ mContext = context;
+ mContentResolver = context.getContentResolver();
+ mIsCreate = false;
+ loadFromCursor(id);
+ mDataList = new ArrayList();
+ if (mType == Notes.TYPE_NOTE)
+ loadDataContent();
+ mDiffNoteValues = new ContentValues();
+
+ }
+
+ /*
+ * 功能描述：通过id从光标处加载数据
+ * Made By CuiCan
+ */
+ 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
+ * Made By CuiCan
+ */
+ 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处
+ * 参数注解：
+ * Made By CuiCan
+ */
+ 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
+ * 参数注解：
+ * Made By CuiCan
+ */
+ 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
+ * 参数注解：
+ * Made By CuiCan
+ */
+ 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
+ * 参数注解：
+ * Made By CuiCan
+ */
+ public void setParentId(long id) {
+ mParentId = id;
+ mDiffNoteValues.put(NoteColumns.PARENT_ID, id);
+ }
+
+ /*
+ * 功能描述：给当前id设置Gtaskid
+ * 参数注解：
+ * Made By CuiCan
+ */
+ public void setGtaskId(String gid) {
+ mDiffNoteValues.put(NoteColumns.GTASK_ID, gid);
+ }
+
+ /*
+ * 功能描述：给当前id设置同步id
+ * 参数注解：
+ * Made By CuiCan
+ */
+ 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
+ * 参数注解：
+ * Made By CuiCan
+ */
+ public void resetLocalModified() {
+ mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0);
+ }
+
+ /*
+ * 功能描述：获得当前id
+ * 参数注解：
+ * Made By CuiCan
+ */
+ public long getId() {
+ return mId;
+ }
+
+ /*
+ * 功能描述：获得当前id的父id
+ * 参数注解：
+ * Made By CuiCan
+ */
+ public long getParentId() {
+ return mParentId;
+ }
+
+ /*
+ * 功能描述：获取小片段即用于显示的部分便签内容
+ * 参数注解：
+ * Made By CuiCan
+ */
+ public String getSnippet() {
+ return mSnippet;
+ }
+
+ /*
+ * 功能描述：判断是否为便签类型
+ * 参数注解：
+ * Made By CuiCan
+ */
+ public boolean isNoteType() {
+ return mType == Notes.TYPE_NOTE;
+ }
+
+ /*
+ * 功能描述：commit函数用于把当前造作所做的修改保存到数据库
+ * 参数注解：
+ * Made By CuiCan
+ */
+ 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/src/Notes-master/src/net/micode/notes/gtask/data/Task.java b/src/Notes-master/src/net/micode/notes/gtask/data/Task.java
new file mode 100644
index 0000000..76ad5a4
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/gtask/data/Task.java
@@ -0,0 +1,339 @@
+/*
+ * 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;
+
+public class Task extends Node {
+ private static final String TAG = Task.class.getSimpleName();
+
+ private boolean mCompleted;//是否完成
+
+ private String mNotes;
+
+ private JSONObject mMetaInfo;//将在实例中存储数据的类型
+
+ private Task mPriorSibling;//对应的优先兄弟Task的指针（待完善）
+
+ private TaskList mParent;//所在的任务列表的指针
+
+ public Task() {
+ super();
+ mCompleted = false;
+ mNotes = null;
+ mPriorSibling = null;//TaskList中当前Task前面的Task的指针
+ mParent = null;//当前Task所在的TaskList
+ mMetaInfo = null;
+ }
+
+ 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, mParent.getChildTaskIndex(this));
+
+ // entity_delta
+ JSONObject entity = new JSONObject();
+ 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_TASK);
+ if (getNotes() != null) {
+ entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
+ }
+ js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
+
+ // parent_id
+ if (mParent!= null) {
+ js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid());
+ }
+
+ // dest_parent_type
+ js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE,
+ GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
+
+ // list_id
+ if (mParent!= null) {
+ js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid());
+ }
+
+ // prior_sibling_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_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());
+ if (getNotes() != null) {
+ entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
+ }
+ 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 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
+ 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));
+ }
+
+ // notes
+ if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) {
+ setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES));
+ }
+
+ // deleted
+ if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) {
+ setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED));
+ }
+
+ // completed
+ 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");
+ }
+ }
+ }
+
+ public void setContentByLocalJSON(JSONObject js) { //��metadata����ʵʩ
+ 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));
+ break;
+ }
+ }
+
+ } catch (JSONException e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ }
+ }
+
+ public JSONObject getLocalJSONFromContent() {
+ String name = getName();
+ try {
+ if (mMetaInfo == null) {
+ // new task created from web
+ 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 {
+ // synced task
+ 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());
+ 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;
+ }
+ }
+ }
+
+ 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;
+ }
+
+ // validate the note id now
+ 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) {
+ // 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 {
+ return SYNC_ACTION_UPDATE_CONFLICT;
+ }
+ }
+ } catch (Exception e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ }
+
+ return SYNC_ACTION_ERROR;
+ }
+
+ public boolean isWorthSaving() {
+ return mMetaInfo != null || (getName() != null && getName().trim().length() > 0)
+ || (getNotes() != null && getNotes().trim().length() > 0);
+ }
+
+ public void setCompleted(boolean completed) {
+ this.mCompleted = completed;
+ }
+
+ public void setNotes(String notes) {
+ this.mNotes = notes;
+ }
+
+ public void setPriorSibling(Task priorSibling) {
+ this.mPriorSibling = priorSibling;
+ }
+
+ public void setParent(TaskList parent) {
+ this.mParent = parent;
+ }
+
+ public boolean getCompleted() {
+ return this.mCompleted;
+ }
+
+ public String getNotes() {
+ return this.mNotes;
+ }
+
+ public Task getPriorSibling() {
+ return this.mPriorSibling;
+ }
+
+ public TaskList getParent() {
+ return this.mParent;
+ }
+
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/gtask/data/TaskList.java b/src/Notes-master/src/net/micode/notes/gtask/data/TaskList.java
new file mode 100644
index 0000000..aa27ff0
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/gtask/data/TaskList.java
@@ -0,0 +1,386 @@
+/*
+ * 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;
+
+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 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();
+ mIndex = 1;
+ }
+
+ /* (non-Javadoc)
+ * @see net.micode.notes.gtask.data.Node#getCreateAction(int)
+ * 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;
+ }
+
+ /* (non-Javadoc)
+ * @see net.micode.notes.gtask.data.Node#getUpdateAction(int)
+ * 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;
+ }
+
+ /**
+ * @return
+ * 功能：获得TaskList的大小，即mChildren的大小
+ */
+ public int getChildTaskCount() {
+ return mChildren.size();
+ }
+
+ /**
+ * @param task
+ * @return 返回值为是否成功添加任务。
+ * 功能：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);
+ //注意：每一次ArrayList的变化都要紧跟相关Task中PriorSibling的更改
+ //，接下来几个函数都有相关操作
+ }
+ }
+ return ret;
+ }
+
+ /**
+ * @param task
+ * @param index
+ * @return
+ * 功能：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;
+ }
+
+ /**
+ * @param task
+ * @return 返回删除是否成功
+ * 功能：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;
+ }
+
+ /**
+ * @param task
+ * @param index
+ * @return
+ * 功能：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；
+ }
+
+ /**
+ * @param gid
+ * @return返回寻找结果
+ * 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;
+ }
+
+ /**
+ * @param task
+ * @return
+ * 功能：返回指定Task的index
+ */
+ public int getChildTaskIndex(Task task) {
+ return mChildren.indexOf(task);
+ }
+
+ /**
+ * @param index
+ * @return
+ * 功能：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);
+ }
+
+ /**
+ * @param gid
+ * @return
+ * 功能：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 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/src/Notes-master/src/net/micode/notes/gtask/exception/ActionFailureException.java b/src/Notes-master/src/net/micode/notes/gtask/exception/ActionFailureException.java
new file mode 100644
index 0000000..47aaba5
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/gtask/exception/ActionFailureException.java
@@ -0,0 +1,48 @@
+/*
+ * 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.
+ */
+
+/*
+ * Description：支持小米便签运行过程中的运行异常处理。
+ */
+
+package net.micode.notes.gtask.exception;
+
+public class ActionFailureException extends RuntimeException {
+ private static final long serialVersionUID = 4425249765923293627L;
+ /*
+ * serialVersionUID相当于java类的身份证。主要用于版本控制。
+ * serialVersionUID作用是序列化时保持版本的兼容性，即在版本升级时反序列化仍保持对象的唯一性。
+ * Made By Cuican
+ */
+
+ public ActionFailureException() {
+ super();
+ }
+ /*
+ * 在JAVA类中使用super来引用父类的成分，用this来引用当前对象.
+ * 如果一个类从另外一个类继承，我们new这个子类的实例对象的时候，这个子类对象里面会有一个父类对象。
+ * 怎么去引用里面的父类对象呢？使用super来引用
+ * 也就是说，此处super()以及super (paramString)可认为是Exception ()和Exception (paramString)
+ * Made By Cuican
+ */
+ public ActionFailureException(String paramString) {
+ super(paramString);
+ }
+
+ public ActionFailureException(String paramString, Throwable paramThrowable) {
+ super(paramString, paramThrowable);
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/gtask/exception/NetworkFailureException.java b/src/Notes-master/src/net/micode/notes/gtask/exception/NetworkFailureException.java
new file mode 100644
index 0000000..91d1ade
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/gtask/exception/NetworkFailureException.java
@@ -0,0 +1,49 @@
+/*
+ * 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.
+ */
+
+/*
+ * Description：支持小米便签运行过程中的网络异常处理。
+ */
+
+package net.micode.notes.gtask.exception;
+
+public class NetworkFailureException extends Exception {
+ private static final long serialVersionUID = 2107610287180234136L;
+ /*
+ * serialVersionUID相当于java类的身份证。主要用于版本控制。
+ * serialVersionUID作用是序列化时保持版本的兼容性，即在版本升级时反序列化仍保持对象的唯一性。
+ * Made By Cuican
+ */
+
+ public NetworkFailureException() {
+ super();
+ }
+
+ /*
+ * 在JAVA类中使用super来引用父类的成分，用this来引用当前对象.
+ * 如果一个类从另外一个类继承，我们new这个子类的实例对象的时候，这个子类对象里面会有一个父类对象。
+ * 怎么去引用里面的父类对象呢？使用super来引用
+ * 也就是说，此处super()以及super (paramString)可认为是Exception ()和Exception (paramString)
+ * Made By Cuican
+ */
+ public NetworkFailureException(String paramString) {
+ super(paramString);
+ }
+
+ public NetworkFailureException(String paramString, Throwable paramThrowable) {
+ super(paramString, paramThrowable);
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskASyncTask.java b/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskASyncTask.java
new file mode 100644
index 0000000..681217d
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskASyncTask.java
@@ -0,0 +1,119 @@
+
+/*
+ * 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;
+
+/*异步操作类，实现GTask的异步操作过程
+ * 主要方法：
+ * private void showNotification(int tickerId, String content) 向用户提示当前同步的状态，是一个用于交互的方法
+ * protected Integer doInBackground(Void... unused) 此方法在后台线程执行，完成任务的主要工作，通常需要较长的时间
+ * protected void onProgressUpdate(String... progress) 可以使用进度条增加用户体验度。 此方法在主线程执行，用于显示任务执行的进度。
+ * protected void onPostExecute(Integer result) 相当于Handler 处理UI的方式，在这里面可以使用在doInBackground 得到的结果处理操作UI
+ */
+public class GTaskASyncTask extends AsyncTask {
+
+
+ private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
+
+ public interface OnCompleteListener {
+ void onComplete();
+ }
+
+ private Context mContext;
+
+ private NotificationManager mNotifiManager;
+
+ private GTaskManager mTaskManager;
+
+ private OnCompleteListener mOnCompleteListener;
+
+ public GTaskASyncTask(Context context, OnCompleteListener listener) {
+ mContext = context;
+ mOnCompleteListener = listener;
+ mNotifiManager = (NotificationManager) mContext
+ .getSystemService(Context.NOTIFICATION_SERVICE);
+ mTaskManager = GTaskManager.getInstance();
+ }
+
+ public void cancelSync() {
+ mTaskManager.cancelSync();
+ }
+
+ public void publishProgess(String message) { // 发布进度单位，系统将会调用onProgressUpdate()方法更新这些值
+ publishProgress(new String[] {
+ message
+ });
+ }
+
+ private void showNotification(int tickerId, String content) {
+ Notification notification = new Notification(R.drawable.notification, mContext
+ .getString(tickerId), System.currentTimeMillis());
+ notification.defaults = Notification.DEFAULT_LIGHTS; // 调用系统自带灯光
+ notification.flags = Notification.FLAG_AUTO_CANCEL; // 点击清除按钮或点击通知后会自动消失
+ PendingIntent pendingIntent; //一个描述了想要启动一个Activity、Broadcast或是Service的意图
+ if (tickerId != R.string.ticker_success) {
+ pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
+ NotesPreferenceActivity.class), 0); //如果同步不成功，那么从系统取得一个用于启动一个NotesPreferenceActivity的PendingIntent对象
+
+ } else {
+ pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
+ NotesListActivity.class), 0); //如果同步成功，那么从系统取得一个用于启动一个NotesListActivity的PendingIntent对象
+ }
+ notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content,
+ pendingIntent);
+ mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);//通过NotificationManager对象的notify（）方法来执行一个notification的消息
+ }
+
+ @Override
+ protected Integer doInBackground(Void... unused) {
+ publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
+ .getSyncAccountName(mContext))); //利用getString,将把 NotesPreferenceActivity.getSyncAccountName(mContext))的字符串内容传进sync_progress_login中
+ return mTaskManager.sync(mContext, this); //进行后台同步具体操作
+ }
+
+ @Override
+ protected void onProgressUpdate(String... progress) {
+ showNotification(R.string.ticker_syncing, progress[0]);
+ if (mContext instanceof GTaskSyncService) { //instanceof 判断mContext是否是GTaskSyncService的实例
+ ((GTaskSyncService) mContext).sendBroadcast(progress[0]);
+ }
+ }
+
+ @Override
+ protected void onPostExecute(Integer result) { //用于在执行完后台任务后更新UI,显示结果
+ if (result == GTaskManager.STATE_SUCCESS) {
+ showNotification(R.string.ticker_success, mContext.getString(
+ R.string.success_sync_account, mTaskManager.getSyncAccount()));
+ NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); //设置最新同步的时间
+ } 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));
+ } //几种不同情况下的结果显示
+ if (mOnCompleteListener != null) {
+ new Thread(new Runnable() { //这里好像是方法内的一个线程，但是并不太懂什么意思
+
+ public void run() { //完成后的操作，使用onComplete()将所有值都重新初始化，相当于完成一次操作
+ mOnCompleteListener.onComplete();
+ }
+ }).start();
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskClient.java b/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskClient.java
new file mode 100644
index 0000000..cd0a8d5
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskClient.java
@@ -0,0 +1,628 @@
+/*
+ * 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;
+
+/*
+ * 主要功能：实现GTASK的登录操作，进行GTASK任务的创建，创建任务列表，从网络上获取任务和任务列表的内容
+ * 主要使用类或技术：accountManager JSONObject HttpParams authToken Gid
+ */
+public class GTaskClient {
+ private static final String TAG = GTaskClient.class.getSimpleName();
+
+ private static final String GTASK_URL = "https://mail.google.com/tasks/"; //这个是指定的URL
+
+ 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，传入的参数是一个Activity
+ * 设置登录操作限制时间，如果超时则需要重新登录
+ * 有两种登录方式，使用用户自己的URL登录或者使用谷歌官方的URL登录
+ * 返回true或者false，即最后是否登陆成功
+ */
+ 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的方法
+ * 使用令牌机制
+ * 使用AccountManager来管理注册账号
+ * 返回值是账号的令牌
+ */
+ 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 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 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)}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 = ")}";
+ 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 list = new LinkedList();
+ 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)}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 = ")}";
+ 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/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskManager.java b/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskManager.java
new file mode 100644
index 0000000..b76b370
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskManager.java
@@ -0,0 +1,862 @@
+/*
+ * 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;
+
+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 mGTaskListHashMap;
+ private HashMap mGTaskHashMap;
+ private HashMap mMetaHashMap;
+ private TaskList mMetaList;
+ private HashSet mLocalDeleteIdMap;
+ private HashMap mGidToNid;
+ private HashMap mNidToGid;
+
+ private GTaskManager() { //对象初始化函数
+ mSyncing = false; //正在同步,flase代表未执行
+ mCancelled = false; //全局标识，flase代表可以执行
+ mGTaskListHashMap = new HashMap(); //<>代表Java的泛型,就是创建一个用类型作为参数的类。
+ mGTaskHashMap = new HashMap();
+ mMetaHashMap = new HashMap();
+ mMetaList = null;
+ mLocalDeleteIdMap = new HashSet();
+ mGidToNid = new HashMap(); //GoogleID to NodeID??
+ mNidToGid = new HashMap(); //NodeID to GoogleID???通过hashmap散列表建立映射
+ }
+
+ /**
+ * 包含关键字synchronized，语言级同步，指明该函数可能运行在多线程的环境下。
+ * 功能：类初始化函数
+ * @author TTS
+ * @return GtaskManger
+ */
+ public static synchronized GTaskManager getInstance() { //可能运行在多线程环境下，使用语言级同步--synchronized
+ if (mInstance == null) {
+ mInstance = new GTaskManager();
+ }
+ return mInstance;
+ }
+
+ /**
+ * 包含关键字synchronized，语言级同步，指明该函数可能运行在多线程的环境下。
+ * @author TTS
+ * @param activity
+ */
+ public synchronized void setActivityContext(Activity activity) {
+ // used for getting auth token
+ mActivity = activity;
+ }
+
+ /**
+ * 核心函数
+ * 功能：实现了本地同步操作和远端同步操作
+ * @author TTS
+ * @param context-----获取上下文
+ * @param asyncTask-------用于同步的异步操作类
+ * @return int
+ */
+ public int sync(Context context, GTaskASyncTask asyncTask) { //核心函数
+ if (mSyncing) {
+ Log.d(TAG, "Sync is in progress"); //创建日志文件（调试信息），debug
+ 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(); //getInstance即为创建一个实例,client--客户机
+ client.resetUpdateArray(); //JSONArray类型，reset即置为NULL
+
+ // 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(); //获取Google上的JSONtasklist转为本地TaskList
+
+ // do content sync work
+ asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing));
+ syncContent();
+ } catch (NetworkFailureException e) { //分为两种异常，此类异常为网络异常
+ Log.e(TAG, e.toString()); //创建日志文件（调试信息），error
+ return STATE_NETWORK_ERROR;
+ } catch (ActionFailureException e) { //此类异常为操作异常
+ 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;
+ }
+
+ /**
+ *功能：初始化GtaskList，获取Google上的JSONtasklist转为本地TaskList。
+ *获得的数据存储在mMetaList，mGTaskListHashMap，mGTaskHashMap
+ *@author TTS
+ *@exception NetworkFailureException
+ *@return void
+ */
+ private void initGTaskList() throws NetworkFailureException {
+ if (mCancelled)
+ return;
+ GTaskClient client = GTaskClient.getInstance(); //getInstance即为创建一个实例，client应指远端客户机
+ try {
+ //Json对象是Name Value对(即子元素)的无序集合，相当于一个Map对象。JsonObject类是bantouyan-json库对Json对象的抽象，提供操纵Json对象的各种方法。
+ //其格式为{"key1":value1,"key2",value2....};key 必须是字符串。
+ //因为ajax请求不刷新页面，但配合js可以实现局部刷新，因此json常常被用来作为异步请求的返回对象使用。
+ JSONArray jsTaskLists = client.getTaskLists(); //原注释为get task list------lists？？？
+
+ // init meta list first
+ mMetaList = null; //TaskList类型
+ for (int i = 0; i < jsTaskLists.length(); i++) {
+ JSONObject object = jsTaskLists.getJSONObject(i); //JSONObject与JSONArray一个为对象，一个为数组。此处取出单个JASONObject
+ 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(); //MetaList意为元表,Tasklist类型，此处为初始化
+ mMetaList.setContentByRemoteJSON(object); //将JSON中部分数据复制到自己定义的对象中相对应的数据：name->mname...
+
+ // load meta data
+ JSONArray jsMetas = client.getTaskList(gid); //原注释为get action_list------list？？？
+ for (int j = 0; j < jsMetas.length(); j++) {
+ object = (JSONObject) jsMetas.getJSONObject(j);
+ MetaData metaData = new MetaData(); //继承自Node
+ metaData.setContentByRemoteJSON(object);
+ if (metaData.isWorthSaving()) { //if not worth to save，metadata将不加入mMetaList
+ 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); //通过getString函数传入本地某个标志数据的名称，获取其在远端的名称。
+ 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(); //继承自Node
+ tasklist.setContentByRemoteJSON(object);
+ mGTaskListHashMap.put(gid, tasklist);
+ mGTaskHashMap.put(gid, tasklist); //为什么加两遍？？？
+
+ // 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");
+ }
+ }
+
+ /**
+ * 功能：本地内容同步操作
+ * @throws NetworkFailureException
+ * @return 无返回值
+ */
+ private void syncContent() throws NetworkFailureException { //本地内容同步操作
+ int syncType;
+ Cursor c = null; //数据库指针
+ String gid; //GoogleID??
+ Node node; //Node包含Sync_Action的不同类型
+
+ mLocalDeleteIdMap.clear(); //HashSet类型
+
+ 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)); //通过hashmap建立联系
+ mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid); //通过hashmap建立联系
+ 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> iter = mGTaskHashMap.entrySet().iterator(); //Iterator迭代器
+ while (iter.hasNext()) {
+ Map.Entry 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 //thread----线程
+ // 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();
+ }
+
+ }
+
+ /**
+ * 功能：
+ * @author TTS
+ * @throws NetworkFailureException
+ */
+ 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> iter = mGTaskListHashMap.entrySet().iterator();
+ while (iter.hasNext()) {
+ Map.Entry 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();
+ }
+
+ /**
+ * 功能：syncType分类，addLocalNode，addRemoteNode，deleteNode，updateLocalNode，updateRemoteNode
+ * @author TTS
+ * @param syncType
+ * @param node
+ * @param c
+ * @throws NetworkFailureException
+ */
+ 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");
+ }
+ }
+
+ /**
+ * 功能：本地增加Node
+ * @author TTS
+ * @param node
+ * @throws NetworkFailureException
+ */
+ 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);
+ }
+
+ /**
+ * 功能：update本地node
+ * @author TTS
+ * @param node
+ * ----同步操作的基础数据类型
+ * @param c
+ * ----Cursor
+ * @throws NetworkFailureException
+ */
+ 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);
+ }
+
+ /**
+ * 功能：远程增加Node
+ * 需要updateRemoteMeta
+ * @author TTS
+ * @param node
+ * ----同步操作的基础数据类型
+ * @param c
+ * --Cursor
+ * @throws NetworkFailureException
+ */
+ private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException {
+ if (mCancelled) {
+ return;
+ }
+
+ SqlNote sqlNote = new SqlNote(mContext, c); //从本地mContext中获取内容
+ 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"); //调试信息
+ throw new ActionFailureException("cannot add remote task");
+ }
+ mGTaskListHashMap.get(parentGid).addChildTask(task); //在本地生成的GTaskList中增加子结点
+
+ //登录远程服务器，创建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迭代器，通过统一的接口迭代所有的map元素
+ Iterator> iter = mGTaskListHashMap.entrySet().iterator();
+ while (iter.hasNext()) {
+ Map.Entry 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 //创建id间的映射
+ mGidToNid.put(n.getGid(), sqlNote.getId());
+ mNidToGid.put(sqlNote.getId(), n.getGid());
+ }
+
+ /**
+ * 功能：更新远端的Node，包含meta更新(updateRemoteMeta)
+ * @author TTS
+ * @param node
+ * ----同步操作的基础数据类型
+ * @param c
+ * --Cursor
+ * @throws NetworkFailureException
+ */
+ 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); //GTaskClient用途为从本地登陆远端服务器
+
+ // update meta
+ updateRemoteMeta(node.getGid(), sqlNote);
+
+ // move task if necessary
+ if (sqlNote.isNoteType()) {
+ Task task = (Task) node;
+ TaskList preParentList = task.getParent();
+ //preParentList为通过node获取的父节点列表
+
+ String curParentGid = mNidToGid.get(sqlNote.getParentId());
+ //curParentGid为通过光标在数据库中找到sqlNote的mParentId，再通过mNidToGid由long类型转为String类型的Gid
+
+ if (curParentGid == null) {
+ Log.e(TAG, "cannot find task's parent tasklist");
+ throw new ActionFailureException("cannot update remote task");
+ }
+ TaskList curParentList = mGTaskListHashMap.get(curParentGid);
+ //通过HashMap找到对应Gid的TaskList
+
+ if (preParentList != curParentList) { //?????????????
+ preParentList.removeChildTask(task);
+ curParentList.addChildTask(task);
+ GTaskClient.getInstance().moveTask(task, preParentList, curParentList);
+ }
+ }
+
+ // clear local modified flag
+ sqlNote.resetLocalModified();
+ //commit到本地数据库
+ sqlNote.commit(true);
+ }
+
+ /**
+ * 功能：升级远程meta。 meta---元数据----计算机文件系统管理数据---管理数据的数据。
+ * @author TTS
+ * @param gid
+ * ---GoogleID为String类型
+ * @param sqlNote
+ * ---同步前的数据库操作，故使用类SqlNote
+ * @throws NetworkFailureException
+ */
+ 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);
+ }
+ }
+ }
+
+ /**
+ * 功能：刷新本地，给sync的ID对应上最后更改过的对象
+ * @author TTS
+ * @return void
+ * @throws NetworkFailureException
+ */
+ private void refreshLocalSyncId() throws NetworkFailureException {
+ if (mCancelled) {
+ return;
+ }
+
+ // get the latest gtask list //获取最近的（最晚的）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"); //query语句：五个参数，NoteColumns.TYPE + " DESC"-----为按类型递减顺序返回查询结果。new String[] {String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)}------为选择参数。"(type<>? AND parent_id<>?)"-------指明返回行过滤器。SqlNote.PROJECTION_NOTE--------应返回的数据列的名字。Notes.CONTENT_NOTE_URI--------contentProvider包含所有数据集所对应的uri
+ 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(); //在ContentValues中创建键值对。准备通过contentResolver写入数据
+ values.put(NoteColumns.SYNC_ID, node.getLastModified());
+ mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, //进行批量更改，选择参数为NULL，应该可以用insert替换，参数分别为表名和需要更新的value对象。
+ 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;
+ }
+ }
+ }
+
+ /**
+ * 功能：获取同步账号,mAccount.name
+ * @author TTS
+ * @return String
+ */
+ public String getSyncAccount() {
+ return GTaskClient.getInstance().getSyncAccount().name;
+ }
+
+ /**
+ * 功能：取消同步，置mCancelled为true
+ * @author TTS
+ */
+ public void cancelSync() {
+ mCancelled = true;
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskSyncService.java b/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskSyncService.java
new file mode 100644
index 0000000..3e3005d
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskSyncService.java
@@ -0,0 +1,140 @@
+/*
+ * 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;
+
+/*
+ * Service是在一段不定的时间运行在后台，不和用户交互的应用组件
+ * 主要方法：
+ * private void startSync() 启动一个同步工作
+ * private void cancelSync() 取消同步
+ * public void onCreate()
+ * public int onStartCommand(Intent intent, int flags, int startId) service生命周期的组成部分，相当于重启service（比如在被暂停之后），而不是创建一个新的service
+ * public void onLowMemory() 在没有内存的情况下如果存在service则结束掉这的service
+ * public IBinder onBind()
+ * public void sendBroadcast(String msg) 发送同步的相关通知
+ * public static void startSync(Activity activity)
+ * public static void cancelSync(Context context)
+ * public static boolean isSyncing() 判读是否在进行同步
+ * public static String getProgressString() 获取当前进度的信息
+ */
+
+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 = "";
+
+ //开始一个同步的工作
+ private void startSync() {
+ if (mSyncTask == null) {
+ mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {
+ public void onComplete() {
+ mSyncTask = null;
+ sendBroadcast("");
+ stopSelf();
+ }
+ });
+ sendBroadcast("");
+ mSyncTask.execute(); //这个函数让任务是以单线程队列方式或线程池队列方式运行
+ }
+ }
+
+
+ private void cancelSync() {
+ if (mSyncTask != null) {
+ mSyncTask.cancelSync();
+ }
+ }
+
+ @Override
+ public void onCreate() { //初始化一个service
+ 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)) {
+ //两种情况，开始同步或者取消同步
+ case ACTION_START_SYNC:
+ startSync();
+ break;
+ case ACTION_CANCEL_SYNC:
+ cancelSync();
+ break;
+ default:
+ break;
+ }
+ return START_STICKY; //等待新的intent来是这个service继续运行
+ }
+ return super.onStartCommand(intent, flags, startId);
+ }
+
+ @Override
+ public void onLowMemory() {
+ if (mSyncTask != null) {
+ mSyncTask.cancelSync();
+ }
+ }
+
+ public IBinder onBind(Intent intent) { //不知道干吗用的
+ return null;
+ }
+
+ public void sendBroadcast(String msg) {
+ mSyncProgress = msg;
+ Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME); //创建一个新的Intent
+ intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null); //附加INTENT中的相应参数的值
+ intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg);
+ sendBroadcast(intent); //发送这个通知
+ }
+
+ public static void startSync(Activity activity) {//执行一个service，service的内容里的同步动作就是开始同步
+ 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) {//执行一个service，service的内容里的同步动作就是取消同步
+ 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;
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/model/Note.java b/src/Notes-master/src/net/micode/notes/model/Note.java
new file mode 100644
index 0000000..9e541d8
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/model/Note.java
@@ -0,0 +1,248 @@
+/*
+ * 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;//批量的更新、插入、删除数据。
+import android.content.ContentProviderResult;//操作的结果
+import android.content.ContentUris;//用于添加和获取Uri后面的ID
+import android.content.ContentValues;//一种用来存储基本数据类型数据的存储机制
+import android.content.Context;//需要用该类来弄清楚调用者的实例
+import android.content.OperationApplicationException;//操作应用程序容错
+import android.net.Uri;//表示待操作的数据
+import android.os.RemoteException;//远程容错
+import android.util.Log;//输出日志，比如说出错、警告等
+
+public class Note {
+ // private ContentValues mNoteDiffValues;
+ 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);//将数据写入数据库表格
+ Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
+ //ContentResolver()主要是实现外部应用对ContentProvider中的数据
+ //进行添加、删除、修改和查询操作
+ 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;
+ }//try-catch异常处理
+ if (noteId == -1) {
+ throw new IllegalStateException("Wrong note id:" + noteId);
+ }
+ return noteId;
+ }
+
+ public Note() {
+ mNoteDiffValues = new ContentValues();
+ mNoteData = new NoteData();
+ }//定义两个变量用来存储便签的数据，一个是存储便签属性、一个是存储便签内容
+
+ public void setNoteValue(String key, String value) {
+ mNoteDiffValues.put(key, value);
+ mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
+ mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
+ }//设置数据库表格的标签属性数据
+
+ 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);
+ }//设置文本数据的ID
+
+ public long getTextDataId() {
+ return mNoteData.mTextDataId;
+ }//得到文本数据的ID
+
+ public void setCallDataId(long id) {
+ mNoteData.setCallDataId(id);
+ }//设置电话号码数据的ID
+
+ public void setCallData(String key, String value) {
+ mNoteData.setCallData(key, value);
+ }//得到电话号码数据的ID
+
+ public boolean isLocalModified() {
+ return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
+ }//判断是否是本地修改
+
+ 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;
+ }//判断数据是否同步
+
+ private class NoteData {//定义一个基本的便签内容的数据类，主要包含文本数据和电话号码数据
+ private long mTextDataId;
+
+ private ContentValues mTextDataValues;//文本数据
+
+ private long mCallDataId;
+
+ private ContentValues mCallDataValues;//电话号码数据
+
+ private static final String TAG = "NoteData";
+
+ public NoteData() {
+ mTextDataValues = new ContentValues();
+ mCallDataValues = new ContentValues();
+ mTextDataId = 0;
+ mCallDataId = 0;
+ }
+ //下面是上述几个函数的具体实现
+ 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());
+ }
+ //下面函数的作用是将新的数据通过Uri的操作存储到数据库
+ Uri pushIntoContentResolver(Context context, long noteId) {
+ /**
+ * Check for safety
+ */
+ if (noteId <= 0) {
+ throw new IllegalArgumentException("Wrong note id:" + noteId);
+ }//判断数据是否合法
+
+ ArrayList operationList = new ArrayList();
+ ContentProviderOperation.Builder builder = null;//数据库的操作列表
+
+ 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();
+ }//把文本数据存入DataColumns
+
+ 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();
+ }//把电话号码数据存入DataColumns
+
+ 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;
+ }
+ }//存储过程中的异常处理
+ return null;
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/model/WorkingNote.java b/src/Notes-master/src/net/micode/notes/model/WorkingNote.java
new file mode 100644
index 0000000..9c02710
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/model/WorkingNote.java
@@ -0,0 +1,390 @@
+/*
+ * 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;
+
+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;
+
+ // 声明 DATA_PROJECTION字符串数组
+ public static final String[] DATA_PROJECTION = new String[] {
+ DataColumns.ID,
+ DataColumns.CONTENT,
+ DataColumns.MIME_TYPE,
+ DataColumns.DATA1,
+ DataColumns.DATA2,
+ DataColumns.DATA3,
+ DataColumns.DATA4,
+ };
+
+ // 声明 NOTE_PROJECTION字符串数组
+ 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
+ public 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;
+ }
+
+ // WorkingNote的构造函数
+ // Existing note construct
+ private WorkingNote(Context context, long noteId, long folderId) {
+ mContext = context;
+ mNoteId = noteId;
+ mFolderId = folderId;
+ mIsDeleted = false;
+ mNote = new Note();
+ loadNote();
+ }
+
+ // 加载Note
+ // 通过数据库调用query函数找到第一个条目
+ private void loadNote() {
+ Cursor cursor = mContext.getContentResolver().query(
+ ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null,
+ null, null);
+
+ // 若存在，储存相应信息
+ 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();
+ // 若不存在，报错
+ } else {
+ Log.e(TAG, "No note with id:" + mNoteId);
+ throw new IllegalArgumentException("Unable to find note with id " + mNoteId);
+ }
+ loadNoteData();
+ }
+
+ // 加载NoteData
+ 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) {
+ // 查到信息不为空
+ if (cursor.moveToFirst()) { // 查看第一项是否存在
+ 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());//查阅所有项,直到为空
+ }
+ cursor.close();
+ } else {
+ Log.e(TAG, "No data with id:" + mNoteId);
+ throw new IllegalArgumentException("Unable to find note's data with id " + mNoteId);
+ }
+ }
+
+ // 创建空的Note
+ // 传参：context，文件夹id，widget，背景颜色
+ public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId,
+ int widgetType, int defaultBgColorId) {
+ WorkingNote note = new WorkingNote(context, folderId);
+ // 设定相关属性
+ 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);
+ }
+
+ // 保存Note
+ public synchronized boolean saveNote() {
+ if (isWorthSaving()) { //是否值得保存
+ if (!existInDatabase()) { // 是否存在数据库中
+ 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;
+ }
+ }
+
+ // 是否在数据库中存在
+ public boolean existInDatabase() {
+ return mNoteId > 0;
+ }
+
+ // 是否值得保存
+ private boolean isWorthSaving() {
+ // 被删除，或（不在数据库中 内容为空），或 本地已保存过
+ if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent))
+ || (existInDatabase() && !mNote.isLocalModified())) {
+ return false;
+ } else {
+ return true;
+ }
+ }
+
+
+ // 设置mNoteSettingStatusListener
+ public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) {
+ mNoteSettingStatusListener = l;
+ }
+
+ // 设置AlertDate
+ // 若 mAlertDate与data不同，则更改mAlertDate并设定NoteValue
+ 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);
+ }
+ }
+
+ // 设定删除标记
+ public void markDeleted(boolean mark) {
+ // 设定标记
+ mIsDeleted = mark;
+ if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+ && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) {
+ mNoteSettingStatusListener.onWidgetChanged();
+ // 调用mNoteSettingStatusListener的 onWidgetChanged方法
+ }
+ }
+
+ // 设定背景颜色
+ public void setBgColorId(int id) {
+ if (id != mBgColorId) { //设定条件 id != mBgColorId
+ mBgColorId = id;
+ if (mNoteSettingStatusListener != null) {
+ mNoteSettingStatusListener.onBackgroundColorChanged();
+ }
+ mNote.setNoteValue(NoteColumns.BG_COLOR_ID, String.valueOf(id));
+ }
+ }
+
+ // 设定检查列表模式
+ // 参数：mode
+ public void setCheckListMode(int mode) {
+ if (mMode != mode) { //设定条件 mMode != mode
+ if (mNoteSettingStatusListener != null) {
+ mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode);
+ }
+ mMode = mode;
+ mNote.setTextData(TextNote.MODE, String.valueOf(mMode));
+ }
+ }
+
+
+ // 设定WidgetType
+ // 参数：type
+ public void setWidgetType(int type) {
+ if (type != mWidgetType) {//设定条件 type != mWidgetType
+ mWidgetType = type;
+ mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType));
+ // 调用Note的setNoteValue方法更改WidgetType
+ }
+ }
+
+ // 设定WidgetId
+ // 参数：id
+ public void setWidgetId(int id) {
+ if (id != mWidgetId) {//设定条件 id != mWidgetId
+ mWidgetId = id;
+ mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId));
+ // 调用Note的setNoteValue方法更改WidgetId
+ }
+ }
+
+ // 设定WorkingTex
+ // 参数：更改的text
+ public void setWorkingText(String text) {
+ if (!TextUtils.equals(mContent, text)) {//设定条件 mContent, text内容不同
+ mContent = text;
+ mNote.setTextData(DataColumns.CONTENT, mContent);
+ // 调用Note的setTextData方法更改WorkingText
+ }
+ }
+
+ // 转变mNote的CallData及CallNote信息
+ // 参数：String phoneNumber, long callDate
+ 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));
+ }
+
+ // 判断是否有时钟题型
+ public boolean hasClockAlert() {
+ return (mAlertDate > 0 ? true : false);
+ }
+
+ // 获取Content
+ public String getContent() {
+ return mContent;
+ }
+
+ // 获取AlertDate
+ public long getAlertDate() {
+ return mAlertDate;
+ }
+
+ // 获取ModifiedDate
+ public long getModifiedDate() {
+ return mModifiedDate;
+ }
+
+ // 获取背景颜色来源id
+ public int getBgColorResId() {
+ return NoteBgResources.getNoteBgResource(mBgColorId);
+ }
+
+ // 获取背景颜色id
+ public int getBgColorId() {
+ return mBgColorId;
+ }
+
+ // 获取标题背景颜色id
+ public int getTitleBgResId() {
+ return NoteBgResources.getNoteTitleBgResource(mBgColorId);
+ }
+
+ // 获取CheckListMode
+ public int getCheckListMode() {
+ return mMode;
+ }
+
+ // 获取便签id
+ public long getNoteId() {
+ return mNoteId;
+ }
+
+ // 获取文件夹id
+ public long getFolderId() {
+ return mFolderId;
+ }
+
+ // 获取WidgetId
+ public int getWidgetId() {
+ return mWidgetId;
+ }
+
+ // 获取WidgetType
+ public int getWidgetType() {
+ return mWidgetType;
+ }
+
+ // 创建接口 NoteSettingChangedListener,便签更新监视
+ // 为NoteEditActivity提供接口
+ // 提供函数有
+ 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);
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/tool/BackupUtils.java b/src/Notes-master/src/net/micode/notes/tool/BackupUtils.java
new file mode 100644
index 0000000..f97e027
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/tool/BackupUtils.java
@@ -0,0 +1,327 @@
+/*
+ * 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 BackupUtils {
+ private static final String TAG = "BackupUtils";
+ // Singleton stuff
+ private static BackupUtils sInstance; //类里面为什么可以定义自身类的对象？
+
+ public static synchronized BackupUtils getInstance(Context context) {
+ //ynchronized 关键字，代表这个方法加锁,相当于不管哪一个线程（例如线程A）
+ //运行到这个方法时,都要检查有没有其它线程B（或者C、 D等）正在用这个方法(或者该类的其他同步方法)，有的话要等正在使用synchronized方法的线程B（或者C 、D）运行完这个方法后再运行此线程A,没有的话,锁定调用者,然后直接运行。
+ //它包括两种用法：synchronized 方法和 synchronized 块。
+ if (sInstance == null) {
+ //如果当前备份不存在，则新声明一个
+ sInstance = new BackupUtils(context);
+ }
+ return sInstance;
+ }
+
+ /**
+ * Following states are signs to represents backup or restore
+ * status
+ */
+ // Currently, the sdcard is not mounted SD卡没有被装入手机
+ public static final int STATE_SD_CARD_UNMOUONTED = 0;
+ // The backup file not exist 备份文件夹不存在
+ public static final int STATE_BACKUP_FILE_NOT_EXIST = 1;
+ // The data is not well formated, may be changed by other programs 数据已被破坏，可能被修改
+ public static final int STATE_DATA_DESTROIED = 2;
+ // Some run-time exception which causes restore or backup fails 超时异常
+ public static final int STATE_SYSTEM_ERROR = 3;
+ // Backup or restore success 成功存储
+ public static final int STATE_SUCCESS = 4;
+
+ private TextExport mTextExport;
+
+ private BackupUtils(Context context) { //初始化函数
+ mTextExport = new TextExport(context);
+ }
+
+ private static boolean externalStorageAvailable() { //外部存储功能是否可用
+ 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 = ""; //为什么为空?
+ mFileDirectory = "";
+ }
+
+ private String getFormat(int id) { //获取文本的组成部分
+ 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 通过查询parent id是文件夹id的note来选出制定ID文件夹下的Note
+ 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里面保存有这份note的日期
+ 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); //将文件导出到text
+ } 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) { //利用光标来扫描内容，区别为callnote和note两种，靠ps.printline输出
+ 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)) { //判断是否为空字符
+ 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() { //总函数，调用上面的exportFolder和exportNote
+ 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 导出文件夹，就是导出里面包含的便签
+ 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 将根目录里的便签导出（由于不属于任何文件夹，因此无法通过文件夹导出来实现这一部分便签的导出）
+ 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); //将ps输出流输出到特定的文件，目的就是导出到文件，而不是直接输出
+ } catch (FileNotFoundException e) {
+ e.printStackTrace();
+ return null;
+ } 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()); //外部（SD卡）的存储路径
+ sb.append(context.getString(filePathResId)); //文件的存储路径
+ File filedir = new File(sb.toString()); //filedir应该就是用来存储路径信息
+ sb.append(context.getString(
+ fileNameFormatResId,
+ DateFormat.format(context.getString(R.string.format_date_ymd),
+ System.currentTimeMillis())));
+ File file = new File(sb.toString());
+
+ try { //如果这些文件不存在，则新建
+ if (!filedir.exists()) {
+ filedir.mkdir();
+ }
+ if (!file.exists()) {
+ file.createNewFile();
+ }
+ return file;
+ } catch (SecurityException e) {
+ e.printStackTrace();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+// try catch 异常处理
+ return null;
+ }
+}
+
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/tool/DataUtils.java b/src/Notes-master/src/net/micode/notes/tool/DataUtils.java
new file mode 100644
index 0000000..efdf24e
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/tool/DataUtils.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.tool;
+
+public class DataUtils {
+ public static final String TAG = "DataUtils";
+ public static boolean batchDeleteNotes(ContentResolver resolver, HashSet ids) { //直接删除多个笔记
+ 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 operationList = new ArrayList(); //提供一个任务列表
+ for (long id : ids) {
+ if(id == Notes.ID_ROOT_FOLDER) {
+ Log.e(TAG, "Don't delete system folder root");
+ continue;
+ } //如果发现是根文件夹，则不删除
+ ContentProviderOperation.Builder builder = ContentProviderOperation
+ .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); //用newDelete实现删除功能
+ operationList.add(builder.build()); //
+ }
+ try {
+ ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);//主机名（或叫Authority）用于唯一标识这个ContentProvider，外部调用者可以根据这个标识来找到它。
+ //数据库事务，数据库事务是由一组数据库操作序列组成，事务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;
+ }
+ 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); //对需要移动的便签进行数据更新，然后用update实现
+ }
+
+ public static boolean batchMoveToFolder(ContentResolver resolver, HashSet ids,
+ long folderId) {
+ if (ids == null) {
+ Log.d(TAG, "the ids is null");
+ return true;
+ }
+
+ ArrayList operationList = new ArrayList();
+ for (long id : ids) {
+ ContentProviderOperation.Builder builder = ContentProviderOperation
+ .newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); //通过withAppendedId方法，为该Uri加上ID
+ builder.withValue(NoteColumns.PARENT_ID, folderId);
+ builder.withValue(NoteColumns.LOCAL_MODIFIED, 1);
+ operationList.add(builder.build());
+ }//将ids里包含的每一列的数据逐次加入到operationList中，等待最后的批量处理
+
+ try {
+ ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); //applyBatch一次性处理一个操作列表
+ 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); //筛选条件：源文件不为trash folder
+
+ 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), //通过withAppendedId方法，为该Uri加上ID
+ null,
+ NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
+ new String [] {String.valueOf(type)},
+ null); //查询条件：type符合，且不属于垃圾文件夹
+
+ boolean exist = false;
+ if (cursor != null) {
+ if (cursor.getCount() > 0) {//用getcount函数判断cursor是否为空
+ 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);
+ //通过名字查询文件是否存在
+ boolean exist = false;
+ if(cursor != null) {
+ if(cursor.getCount() > 0) {
+ exist = true;
+ }
+ cursor.close();
+ }
+ return exist;
+ }
+
+ public static HashSet 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); //查询条件：父ID是传入的folderId;
+
+ HashSet set = null;
+ if (c != null) {
+ if (c.moveToFirst()) {
+ set = new HashSet();
+ do {
+ try {
+ AppWidgetAttribute widget = new AppWidgetAttribute();
+ widget.widgetId = c.getInt(0); //0对应的NoteColumns.WIDGET_ID
+ widget.widgetType = c.getInt(1); //1对应的NoteColumns.WIDGET_TYPE
+ set.add(widget);
+ } catch (IndexOutOfBoundsException e) {
+ Log.e(TAG, e.toString());
+ }
+ } while (c.moveToNext()); //查询下一条
+ }
+ 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);
+ //通过数据库操作，查询条件是（callDate和phoneNumber匹配传入参数的值）
+
+ if (cursor != null) {
+ if (cursor.moveToFirst()) {
+ try {
+ return cursor.getLong(0); //0对应的CallNote.NOTE_ID
+ } 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);//查询条件：noteId
+
+ 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) { //对字符串进行格式处理，将字符串两头的空格去掉，同时将换行符去掉
+ if (snippet != null) {
+ snippet = snippet.trim();
+ int index = snippet.indexOf('\n');
+ if (index != -1) {
+ snippet = snippet.substring(0, index);
+ }
+ }
+ return snippet;
+ }
+
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/tool/GTaskStringUtils.java b/src/Notes-master/src/net/micode/notes/tool/GTaskStringUtils.java
new file mode 100644
index 0000000..ffbfa07
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/tool/GTaskStringUtils.java
@@ -0,0 +1,115 @@
+/*
+ * 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.
+ */
+
+//简介：定义了很多的静态字符串，目的就是为了提供jsonObject中相应字符串的"key"。把这些静态的定义单独写到了一个类里面，这是非常好的编程规范
+package net.micode.notes.tool;
+
+//这个类就是定义了一堆static string，实际就是为jsonObject提供Key，把这些定义全部写到一个类里，方便查看管理，是一个非常好的编程习惯
+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";
+
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/tool/ResourceParser.java b/src/Notes-master/src/net/micode/notes/tool/ResourceParser.java
new file mode 100644
index 0000000..145497e
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/tool/ResourceParser.java
@@ -0,0 +1,191 @@
+/*
+ * 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;
+
+/*简介：字面意义是资源分析器，实际上就是获取资源并且在程序中使用，比如颜色图片等
+ * 实现方法：主要利用R.java这个类，其中包括
+ * R.id 组件资源引用
+ * R.drawable 图片资源 （被使用）
+ * R.layout 布局资源
+ * R.menu 菜单资源
+ * R.String 文字资源
+ * R.style 主题资源 （被使用）
+ * 在按顺序设置好相应的id后，就可以编写简单的getXXX函数获取需要的资源
+ *
+ * 特殊的变量 ：
+ * @BG_DEFAULT_COLOR 默认背景颜色（黄）
+ * BG_DEFAULT_FONT_SIZE 默认文本大小（中）
+ */
+
+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];
+ }
+ }
+ //直接获取默认的背景颜色。看不太懂，这个PREFERENCE_SET_BG_COLOR_KEY是个final string,也就是说getBoolean肯定执行else，为什么要这么写
+ 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
+ };
+
+ //这里有一个容错的函数，防止输入的id大于资源总量，若如此，则自动返回默认的设置结果
+ 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;
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/ui/AlarmAlertActivity.java b/src/Notes-master/src/net/micode/notes/ui/AlarmAlertActivity.java
new file mode 100644
index 0000000..af5df76
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/ui/AlarmAlertActivity.java
@@ -0,0 +1,208 @@
+/*
+ * 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;
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/ui/AlarmInitReceiver.java b/src/Notes-master/src/net/micode/notes/ui/AlarmInitReceiver.java
new file mode 100644
index 0000000..fa75f11
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/ui/AlarmInitReceiver.java
@@ -0,0 +1,72 @@
+/*
+ * 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);
+ //Cursor在这里的作用是通过查找数据库中的标签内容，找到和当前系统时间相等的标签
+
+ 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
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/ui/AlarmReceiver.java b/src/Notes-master/src/net/micode/notes/ui/AlarmReceiver.java
new file mode 100644
index 0000000..59f1eb3
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/ui/AlarmReceiver.java
@@ -0,0 +1,36 @@
+/*
+ * 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 {
+ @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，
+//作用还需要深究但是对于setClass和addFlags的
+
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/ui/DateTimePicker.java b/src/Notes-master/src/net/micode/notes/ui/DateTimePicker.java
new file mode 100644
index 0000000..4def445
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/ui/DateTimePicker.java
@@ -0,0 +1,507 @@
+/*
+ * 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);
+ }
+
+ public DateTimePicker(Context context) {
+ this(context, System.currentTimeMillis());
+ }//通过对数据库的访问，获取当前的系统时间
+
+ public DateTimePicker(Context context, long date) {
+ this(context, date, DateFormat.is24HourFormat(context));
+ }//上面函数的得到的是一个天文数字（1970至今的秒数），需要DateFormat将其变得有意义
+
+ 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) {
+ if (mIsEnabled == enabled) {
+ return;
+ }
+ super.setEnabled(enabled);
+ mDateSpinner.setEnabled(enabled);
+ mMinuteSpinner.setEnabled(enabled);
+ mHourSpinner.setEnabled(enabled);
+ mAmPmSpinner.setEnabled(enabled);
+ mIsEnabled = enabled;
+ }
+ //存在疑问！！！！！！！！！！！！！setEnabled的作用
+ //下面的代码通过原程序的注释已经比较清晰，另外可以通过函数名来判断
+ //下面的各函数主要是对上面代码引用到的各函数功能的实现
+ @Override
+ public boolean isEnabled() {
+ return mIsEnabled;
+ }
+
+ /**
+ * 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) {
+ if (mIs24HourView == is24HourView) {
+ return;
+ }
+ mIs24HourView = is24HourView;
+ mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);
+ 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) {
+ mOnDateTimeChangedListener = callback;
+ }
+
+ private void onDateTimeChanged() {
+ if (mOnDateTimeChangedListener != null) {
+ mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
+ getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/ui/DateTimePickerDialog.java b/src/Notes-master/src/net/micode/notes/ui/DateTimePickerDialog.java
new file mode 100644
index 0000000..00a2409
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/ui/DateTimePickerDialog.java
@@ -0,0 +1,103 @@
+/*
+ * 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 {
+ 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());
+ }
+
+ 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/src/Notes-master/src/net/micode/notes/ui/DropdownMenu.java b/src/Notes-master/src/net/micode/notes/ui/DropdownMenu.java
new file mode 100644
index 0000000..a5520b2
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/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/src/Notes-master/src/net/micode/notes/ui/FoldersListAdapter.java b/src/Notes-master/src/net/micode/notes/ui/FoldersListAdapter.java
new file mode 100644
index 0000000..2c35db4
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/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);
+ }
+ }
+
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/ui/NoteEditActivity.java b/src/Notes-master/src/net/micode/notes/ui/NoteEditActivity.java
new file mode 100644
index 0000000..3426c8a
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/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 sBgSelectorBtnsMap = new HashMap();
+ 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 sBgSelectorSelectionMap = new HashMap();
+ 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 sFontSizeBtnsMap = new HashMap();
+ 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 sFontSelectorSelectionMap = new HashMap();
+ 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 ids = new HashSet();
+ 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();
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/ui/NoteEditText.java b/src/Notes-master/src/net/micode/notes/ui/NoteEditText.java
new file mode 100644
index 0000000..ca9c209
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/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 sSchemaActionResMap = new HashMap();
+ 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);
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/ui/NoteItemData.java b/src/Notes-master/src/net/micode/notes/ui/NoteItemData.java
new file mode 100644
index 0000000..36653a3
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/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");
+ }
+ }
+ }
+ }
+///以下都是获取标记没什么好说的，不过倒数第二个需要说明下，很具体看下面
+ 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) {
+ return cursor.getInt(TYPE_COLUMN);
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/ui/NotesListActivity.java b/src/Notes-master/src/net/micode/notes/ui/NotesListActivity.java
new file mode 100644
index 0000000..8228541
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/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>() {
+ protected HashSet doInBackground(Void... unused) {
+ HashSet 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 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 ids = new HashSet();
+ ids.add(folderId);
+ HashSet 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() {
+
+ @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) {
+ 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/src/Notes-master/src/net/micode/notes/ui/NotesListAdapter.java b/src/Notes-master/src/net/micode/notes/ui/NotesListAdapter.java
new file mode 100644
index 0000000..b79c464
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/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 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(); //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 getSelectedItemIds() {
+ HashSet itemSet = new HashSet();
+ //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 getSelectedWidget() {
+ HashSet itemSet = new HashSet();
+ 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 values = mSelectedIndex.values();
+ //首先获取选项下标的值
+ if (null == values) {
+ return 0;
+ }
+ Iterator 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
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/ui/NotesListItem.java b/src/Notes-master/src/net/micode/notes/ui/NotesListItem.java
new file mode 100644
index 0000000..3ce0614
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/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;
+ }
+}
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/ui/NotesPreferenceActivity.java b/src/Notes-master/src/net/micode/notes/ui/NotesPreferenceActivity.java
new file mode 100644
index 0000000..34a1ebc
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/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;
+ }
+ }
+}
+
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/widget/NoteWidgetProvider.java b/src/Notes-master/src/net/micode/notes/widget/NoteWidgetProvider.java
new file mode 100644
index 0000000..ec6f819
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/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/src/Notes-master/src/net/micode/notes/widget/NoteWidgetProvider_2x.java b/src/Notes-master/src/net/micode/notes/widget/NoteWidgetProvider_2x.java
new file mode 100644
index 0000000..adcb2f7
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/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/src/Notes-master/src/net/micode/notes/widget/NoteWidgetProvider_4x.java b/src/Notes-master/src/net/micode/notes/widget/NoteWidgetProvider_4x.java
new file mode 100644
index 0000000..c12a02e
--- /dev/null
+++ b/src/Notes-master/src/net/micode/notes/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;
+ }
+}