代码分析

master
ptka4xvyr 2 years ago
parent dd2537ed0b
commit e430d81f11

@ -1,22 +1,7 @@
/*
* 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; package net.micode.notes.data;
import android.content.Context; import android.content.Context;
import android.database.Cursor; import android.database.Cursor;
import android.provider.ContactsContract.CommonDataKinds.Phone; import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.provider.ContactsContract.Data; import android.provider.ContactsContract.Data;
@ -24,29 +9,35 @@ import android.telephony.PhoneNumberUtils;
import android.util.Log; import android.util.Log;
import java.util.HashMap; import java.util.HashMap;
//change
public class Contact { public class Contact { //联系人
private static HashMap<String, String> sContactCache; private static HashMap<String, String> sContactCache;
private static final String TAG = "Contact"; private static final String TAG = "Contact";
private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER // 定义字符串CALLER_ID_SELECTION
+ ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'" private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL("
+ " AND " + Data.RAW_CONTACT_ID + " IN "
+ Phone.NUMBER
+ ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'"
+ " AND " + Data.RAW_CONTACT_ID + " IN "
+ "(SELECT raw_contact_id " + "(SELECT raw_contact_id "
+ " FROM phone_lookup" + " FROM phone_lookup"
+ " WHERE min_match = '+')"; + " WHERE min_match = '+')";
// 获取联系人
public static String getContact(Context context, String phoneNumber) { public static String getContact(Context context, String phoneNumber) {
if(sContactCache == null) { if(sContactCache == null) {
sContactCache = new HashMap<String, String>(); sContactCache = new HashMap<String, String>();
} }
// 查找HashMap中是否已有phoneNumber信息
if(sContactCache.containsKey(phoneNumber)) { if(sContactCache.containsKey(phoneNumber)) {
return sContactCache.get(phoneNumber); return sContactCache.get(phoneNumber);
} }
String selection = CALLER_ID_SELECTION.replace("+", String selection = CALLER_ID_SELECTION.replace("+",
PhoneNumberUtils.toCallerIDMinMatch(phoneNumber)); PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));
// 查找数据库中phoneNumber的信息
Cursor cursor = context.getContentResolver().query( Cursor cursor = context.getContentResolver().query(
Data.CONTENT_URI, Data.CONTENT_URI,
new String [] { Phone.DISPLAY_NAME }, new String [] { Phone.DISPLAY_NAME },
@ -54,17 +45,22 @@ public class Contact {
new String[] { phoneNumber }, new String[] { phoneNumber },
null); null);
// 判定查询结果
// moveToFirst()返回第一条
if (cursor != null && cursor.moveToFirst()) { if (cursor != null && cursor.moveToFirst()) {
try { try {
// 找到相关信息
String name = cursor.getString(0); String name = cursor.getString(0);
sContactCache.put(phoneNumber, name); sContactCache.put(phoneNumber, name);
return name; return name;
// 异常
} catch (IndexOutOfBoundsException e) { } catch (IndexOutOfBoundsException e) {
Log.e(TAG, " Cursor get string error " + e.toString()); Log.e(TAG, " Cursor get string error " + e.toString());
return null; return null;
} finally { } finally {
cursor.close(); cursor.close();
} }
// 未找到相关信息
} else { } else {
Log.d(TAG, "No contact matched with number:" + phoneNumber); Log.d(TAG, "No contact matched with number:" + phoneNumber);
return null; return null;

@ -1,25 +1,13 @@
/*
* 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; package net.micode.notes.data;
import android.content.ContentUris;
import android.net.Uri; 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 class Notes {
public static final String AUTHORITY = "micode_notes"; public static final String AUTHORITY = "micode_notes";
public static final String TAG = "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_NOTE = 0;
public static final int TYPE_FOLDER = 1; public static final int TYPE_FOLDER = 1;
public static final int TYPE_SYSTEM = 2; public static final int TYPE_SYSTEM = 2;
@ -35,12 +23,24 @@ public class Notes {
public static final int ID_CALL_RECORD_FOLDER = -2; public static final int ID_CALL_RECORD_FOLDER = -2;
public static final int ID_TRASH_FOLER = -3; 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_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"; "net.micode.notes.alert_date";
public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type"; public static final String INTENT_EXTRA_BACKGROUND_ID =
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"; "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_INVALIDE = -1;
public static final int TYPE_WIDGET_2X = 0; public static final int TYPE_WIDGET_2X = 0;
@ -54,13 +54,20 @@ public class Notes {
/** /**
* Uri to query all notes and folders * Uri to query all notes and folders
*/ */
public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note"); 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 * Uri to query data
*/ */
public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/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 { public interface NoteColumns {
/** /**
* The unique ID for a row * The unique ID for a row
@ -72,7 +79,7 @@ public class Notes {
* The parent's id for note or folder * The parent's id for note or folder
* <P> Type: INTEGER (long) </P> * <P> Type: INTEGER (long) </P>
*/ */
public static final String PARENT_ID = "parent_id"; public static final String PARENT_ID = "parent_id";//为什么会有parent_id
/** /**
* Created data for note or folder * Created data for note or folder
@ -140,7 +147,7 @@ public class Notes {
* The last sync id * The last sync id
* <P> Type: INTEGER (long) </P> * <P> Type: INTEGER (long) </P>
*/ */
public static final String SYNC_ID = "sync_id"; public static final String SYNC_ID = "sync_id";//同步
/** /**
* Sign to indicate local modified or not * Sign to indicate local modified or not
@ -165,8 +172,9 @@ public class Notes {
* <P> Type : INTEGER (long) </P> * <P> Type : INTEGER (long) </P>
*/ */
public static final String VERSION = "version"; 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 { public interface DataColumns {
/** /**
* The unique ID for a row * The unique ID for a row
@ -206,41 +214,45 @@ public class Notes {
/** /**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for * Generic data column, the meaning is {@link #MIMETYPE} specific,
used for
* integer data type * integer data type
* <P> Type: INTEGER </P> * <P> Type: INTEGER </P>
*/ */
public static final String DATA1 = "data1"; public static final String DATA1 = "data1";
/** /**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for * Generic data column, the meaning is {@link #MIMETYPE} specific,
used for
* integer data type * integer data type
* <P> Type: INTEGER </P> * <P> Type: INTEGER </P>
*/ */
public static final String DATA2 = "data2"; public static final String DATA2 = "data2";
/** /**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for * Generic data column, the meaning is {@link #MIMETYPE} specific,
used for
* TEXT data type * TEXT data type
* <P> Type: TEXT </P> * <P> Type: TEXT </P>
*/ */
public static final String DATA3 = "data3"; public static final String DATA3 = "data3";
/** /**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for * Generic data column, the meaning is {@link #MIMETYPE} specific,
used for
* TEXT data type * TEXT data type
* <P> Type: TEXT </P> * <P> Type: TEXT </P>
*/ */
public static final String DATA4 = "data4"; public static final String DATA4 = "data4";
/** /**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for * Generic data column, the meaning is {@link #MIMETYPE} specific,
used for
* TEXT data type * TEXT data type
* <P> Type: TEXT </P> * <P> Type: TEXT </P>
*/ */
public static final String DATA5 = "data5"; 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 { public static final class TextNote implements DataColumns {
/** /**
* Mode to indicate the text in check list mode or not * Mode to indicate the text in check list mode or not
@ -250,12 +262,18 @@ public class Notes {
public static final int MODE_CHECK_LIST = 1; 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_TYPE =
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note"; "vnd.android.cursor.dir/text_note";
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/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 { public static final class CallNote implements DataColumns {
/** /**
@ -270,10 +288,16 @@ public class Notes {
*/ */
public static final String PHONE_NUMBER = DATA3; public static final String PHONE_NUMBER = DATA3;
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note"; public static final String CONTENT_TYPE =
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note"; "vnd.android.cursor.dir/call_note";
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/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
} }

@ -1,38 +1,22 @@
/*
* 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; package net.micode.notes.data;
import android.content.ContentValues; 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; 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; 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; import android.database.sqlite.SQLiteOpenHelper;//用来管理数据的创建和版本更新
import android.util.Log; import android.util.Log;
import net.micode.notes.data.Notes.DataColumns; import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants; import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns; 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 { public class NotesDatabaseHelper extends SQLiteOpenHelper {
private static final String DB_NAME = "note.db"; private static final String DB_NAME = "note.db";
private static final int DB_VERSION = 4; private static final int DB_VERSION = 4;
public interface TABLE { 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 NOTE = "note";
public static final String DATA = "data"; public static final String DATA = "data";
@ -43,179 +27,179 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
private static NotesDatabaseHelper mInstance; private static NotesDatabaseHelper mInstance;
private static final String CREATE_NOTE_TABLE_SQL = private static final String CREATE_NOTE_TABLE_SQL =
"CREATE TABLE " + TABLE.NOTE + "(" + "CREATE TABLE " + TABLE.NOTE + "(" +
NoteColumns.ID + " INTEGER PRIMARY KEY," + NoteColumns.ID + " INTEGER PRIMARY KEY," +
NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," + NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.BG_COLOR_ID + " 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.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," + NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," + NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," + NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," + NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," + NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," + NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," +
NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," + NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," + NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," + NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" + 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 = private static final String CREATE_DATA_TABLE_SQL =
"CREATE TABLE " + TABLE.DATA + "(" + "CREATE TABLE " + TABLE.DATA + "(" +
DataColumns.ID + " INTEGER PRIMARY KEY," + DataColumns.ID + " INTEGER PRIMARY KEY," +
DataColumns.MIME_TYPE + " TEXT NOT NULL," + DataColumns.MIME_TYPE + " TEXT NOT NULL," +
DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," + DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.MODIFIED_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.CONTENT + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA1 + " INTEGER," + DataColumns.DATA1 + " INTEGER," +
DataColumns.DATA2 + " INTEGER," + DataColumns.DATA2 + " INTEGER," +
DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," + DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," + DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA5 + " 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 = private static final String CREATE_DATA_NOTE_ID_INDEX_SQL =
"CREATE INDEX IF NOT EXISTS note_id_index ON " + "CREATE INDEX IF NOT EXISTS note_id_index ON " +
TABLE.DATA + "(" + DataColumns.NOTE_ID + ");"; 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 * Increase folder's note count when move note to the folder
*/ */
private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER increase_folder_count_on_update "+ "CREATE TRIGGER increase_folder_count_on_update "+
" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE + " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
" BEGIN " + " BEGIN " +
" UPDATE " + TABLE.NOTE + " UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" END"; " END";//在文件夹中移入一个Note之后需要更改的数据的表格。
/** /**
* Decrease folder's note count when move note from folder * Decrease folder's note count when move note from folder
*/ */
private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER decrease_folder_count_on_update " + "CREATE TRIGGER decrease_folder_count_on_update " +
" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE + " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
" BEGIN " + " BEGIN " +
" UPDATE " + TABLE.NOTE + " UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0" + ";" + " AND " + NoteColumns.NOTES_COUNT + ">0" + ";" +
" END"; " END";//在文件夹中移出一个Note之后需要更改的数据的表格。
/** /**
* Increase folder's note count when insert new note to the folder * Increase folder's note count when insert new note to the folder
*/ */
private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER = private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER =
"CREATE TRIGGER increase_folder_count_on_insert " + "CREATE TRIGGER increase_folder_count_on_insert " +
" AFTER INSERT ON " + TABLE.NOTE + " AFTER INSERT ON " + TABLE.NOTE +
" BEGIN " + " BEGIN " +
" UPDATE " + TABLE.NOTE + " UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" END"; " 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 * Decrease folder's note count when delete note from the folder
*/ */
private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER = private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER =
"CREATE TRIGGER decrease_folder_count_on_delete " + "CREATE TRIGGER decrease_folder_count_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE + " AFTER DELETE ON " + TABLE.NOTE +
" BEGIN " + " BEGIN " +
" UPDATE " + TABLE.NOTE + " UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0;" + " AND " + NoteColumns.NOTES_COUNT + ">0;" +
" END"; " END";//在文件夹中删除一个Note之后需要更改的数据的表格。
/** /**
* Update note's content when insert data with type {@link DataConstants#NOTE} * Update note's content when insert data with type {@link DataConstants#NOTE}
*/ */
private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER = private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER =
"CREATE TRIGGER update_note_content_on_insert " + "CREATE TRIGGER update_note_content_on_insert " +
" AFTER INSERT ON " + TABLE.DATA + " AFTER INSERT ON " + TABLE.DATA +
" WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + " WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" BEGIN" + " BEGIN" +
" UPDATE " + TABLE.NOTE + " UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" END"; " 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 * Update note's content when data with {@link DataConstants#NOTE} type has changed
*/ */
private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER = private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER update_note_content_on_update " + "CREATE TRIGGER update_note_content_on_update " +
" AFTER UPDATE ON " + TABLE.DATA + " AFTER UPDATE ON " + TABLE.DATA +
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" BEGIN" + " BEGIN" +
" UPDATE " + TABLE.NOTE + " UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" END"; " 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 * Update note's content when data with {@link DataConstants#NOTE} type has deleted
*/ */
private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER = private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER =
"CREATE TRIGGER update_note_content_on_delete " + "CREATE TRIGGER update_note_content_on_delete " +
" AFTER delete ON " + TABLE.DATA + " AFTER delete ON " + TABLE.DATA +
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" BEGIN" + " BEGIN" +
" UPDATE " + TABLE.NOTE + " UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=''" + " SET " + NoteColumns.SNIPPET + "=''" +
" WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" + " WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" +
" END"; " 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 * Delete datas belong to note which has been deleted
*/ */
private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER = private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER =
"CREATE TRIGGER delete_data_on_delete " + "CREATE TRIGGER delete_data_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE + " AFTER DELETE ON " + TABLE.NOTE +
" BEGIN" + " BEGIN" +
" DELETE FROM " + TABLE.DATA + " DELETE FROM " + TABLE.DATA +
" WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" + " WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" +
" END"; " 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 * Delete notes belong to folder which has been deleted
*/ */
private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER = private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER =
"CREATE TRIGGER folder_delete_notes_on_delete " + "CREATE TRIGGER folder_delete_notes_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE + " AFTER DELETE ON " + TABLE.NOTE +
" BEGIN" + " BEGIN" +
" DELETE FROM " + TABLE.NOTE + " DELETE FROM " + TABLE.NOTE +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" END"; " 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 * Move notes belong to folder which has been moved to trash folder
*/ */
private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER = private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER =
"CREATE TRIGGER folder_move_notes_on_trash " + "CREATE TRIGGER folder_move_notes_on_trash " +
" AFTER UPDATE ON " + TABLE.NOTE + " AFTER UPDATE ON " + TABLE.NOTE +
" WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + " WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
" BEGIN" + " BEGIN" +
" UPDATE " + TABLE.NOTE + " UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + " SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" END"; " END";//还原垃圾桶中便签后需要更改的数据的表格。
public NotesDatabaseHelper(Context context) { public NotesDatabaseHelper(Context context) {
super(context, DB_NAME, null, DB_VERSION); 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) { public void createNoteTable(SQLiteDatabase db) {
db.execSQL(CREATE_NOTE_TABLE_SQL); db.execSQL(CREATE_NOTE_TABLE_SQL);
reCreateNoteTableTriggers(db); reCreateNoteTableTriggers(db);
createSystemFolder(db); createSystemFolder(db);
Log.d(TAG, "note table has been created"); 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) { private void reCreateNoteTableTriggers(SQLiteDatabase db) {
db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update"); db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update");
@ -233,7 +217,8 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER); db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER);
db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER); db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER);
db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_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) { private void createSystemFolder(SQLiteDatabase db) {
ContentValues values = new ContentValues(); ContentValues values = new ContentValues();
@ -268,14 +253,14 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values); db.insert(TABLE.NOTE, null, values);
} }//创建几个系统文件夹
public void createDataTable(SQLiteDatabase db) { public void createDataTable(SQLiteDatabase db) {
db.execSQL(CREATE_DATA_TABLE_SQL); db.execSQL(CREATE_DATA_TABLE_SQL);
reCreateDataTableTriggers(db); reCreateDataTableTriggers(db);
db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL); db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL);
Log.d(TAG, "data table has been created"); 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) { 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_insert");
@ -285,20 +270,22 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER); 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_UPDATE_TRIGGER);
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER); db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER);
} }//同上面的execSQL
static synchronized NotesDatabaseHelper getInstance(Context context) { static synchronized NotesDatabaseHelper getInstance(Context context) {
if (mInstance == null) { if (mInstance == null) {
mInstance = new NotesDatabaseHelper(context); mInstance = new NotesDatabaseHelper(context);
} }
return mInstance; 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 @Override
public void onCreate(SQLiteDatabase db) { public void onCreate(SQLiteDatabase db) {
createNoteTable(db); createNoteTable(db);
createDataTable(db); createDataTable(db);
} }//实现两个表格(上面创建的两个表格)
@Override @Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
@ -331,14 +318,14 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
throw new IllegalStateException("Upgrade notes database to version " + newVersion throw new IllegalStateException("Upgrade notes database to version " + newVersion
+ "fails"); + "fails");
} }
} }//数据库版本的更新(数据库内容的更改)
private void upgradeToV2(SQLiteDatabase db) { private void upgradeToV2(SQLiteDatabase db) {
db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE); db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE);
db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA); db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA);
createNoteTable(db); createNoteTable(db);
createDataTable(db); createDataTable(db);
} }//更新到V2版本
private void upgradeToV3(SQLiteDatabase db) { private void upgradeToV3(SQLiteDatabase db) {
// drop unused triggers // drop unused triggers
@ -353,10 +340,10 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values); db.insert(TABLE.NOTE, null, values);
} }//更新到V3版本
private void upgradeToV4(SQLiteDatabase db) { private void upgradeToV4(SQLiteDatabase db) {
db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION
+ " INTEGER NOT NULL DEFAULT 0"); + " INTEGER NOT NULL DEFAULT 0");
} }//更新到V4版本,但是不知道V2、V3、V4是什么意思
} }

@ -1,22 +1,5 @@
/*
* 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; package net.micode.notes.data;
import android.app.SearchManager; import android.app.SearchManager;
import android.content.ContentProvider; import android.content.ContentProvider;
import android.content.ContentUris; import android.content.ContentUris;
@ -33,9 +16,15 @@ import net.micode.notes.R;
import net.micode.notes.data.Notes.DataColumns; import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.NotesDatabaseHelper.TABLE; 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 { public class NotesProvider extends ContentProvider {
// UriMatcher用于匹配Uri
private static final UriMatcher mMatcher; private static final UriMatcher mMatcher;
private NotesDatabaseHelper mHelper; private NotesDatabaseHelper mHelper;
@ -51,7 +40,9 @@ public class NotesProvider extends ContentProvider {
private static final int URI_SEARCH_SUGGEST = 6; private static final int URI_SEARCH_SUGGEST = 6;
static { 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); 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);
mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM); mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM);
mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA); mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA);
@ -65,33 +56,40 @@ public class NotesProvider extends ContentProvider {
* x'0A' represents the '\n' character in sqlite. For title and content in the search result, * 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. * 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 + "," private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + ","
+ NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + "," + 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_1 + ","
+ "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + "," + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + ","
+ R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + "," + R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + ","
+ "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + "," + "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + ","
+ "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA; + "'" + 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 private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION
+ " FROM " + TABLE.NOTE + " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.SNIPPET + " LIKE ?" + " WHERE " + NoteColumns.SNIPPET + " LIKE ?"
+ " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER
+ " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE; + " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE;
@Override @Override
// Context只有在onCreate()中才被初始化
// 对mHelper进行实例化
public boolean onCreate() { public boolean onCreate() {
mHelper = NotesDatabaseHelper.getInstance(getContext()); mHelper = NotesDatabaseHelper.getInstance(getContext());
return true; return true;
} }
@Override @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, public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
String sortOrder) { String sortOrder) {
Cursor c = null; Cursor c = null;
// 获取可读数据库
SQLiteDatabase db = mHelper.getReadableDatabase(); SQLiteDatabase db = mHelper.getReadableDatabase();
String id = null; String id = null;
// 匹配查找uri
switch (mMatcher.match(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: case URI_NOTE:
c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null, c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null,
sortOrder); sortOrder);
@ -113,6 +111,7 @@ public class NotesProvider extends ContentProvider {
case URI_SEARCH: case URI_SEARCH:
case URI_SEARCH_SUGGEST: case URI_SEARCH_SUGGEST:
if (sortOrder != null || projection != null) { if (sortOrder != null || projection != null) {
// 不合法的参数异常
throw new IllegalArgumentException( throw new IllegalArgumentException(
"do not specify sortOrder, selection, selectionArgs, or projection" + "with this query"); "do not specify sortOrder, selection, selectionArgs, or projection" + "with this query");
} }
@ -120,6 +119,8 @@ public class NotesProvider extends ContentProvider {
String searchString = null; String searchString = null;
if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) { if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) {
if (uri.getPathSegments().size() > 1) { 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); searchString = uri.getPathSegments().get(1);
} }
} else { } else {
@ -139,6 +140,7 @@ public class NotesProvider extends ContentProvider {
} }
break; break;
default: default:
// 抛出异常
throw new IllegalArgumentException("Unknown URI " + uri); throw new IllegalArgumentException("Unknown URI " + uri);
} }
if (c != null) { if (c != null) {
@ -148,13 +150,17 @@ public class NotesProvider extends ContentProvider {
} }
@Override @Override
// 插入一个uri
public Uri insert(Uri uri, ContentValues values) { public Uri insert(Uri uri, ContentValues values) {
// 获得可写的数据库
SQLiteDatabase db = mHelper.getWritableDatabase(); SQLiteDatabase db = mHelper.getWritableDatabase();
long dataId = 0, noteId = 0, insertedId = 0; long dataId = 0, noteId = 0, insertedId = 0;
switch (mMatcher.match(uri)) { switch (mMatcher.match(uri)) {
// 新增一个条目
case URI_NOTE: case URI_NOTE:
insertedId = noteId = db.insert(TABLE.NOTE, null, values); insertedId = noteId = db.insert(TABLE.NOTE, null, values);
break; break;
// 如果存在查找NOTE_ID
case URI_DATA: case URI_DATA:
if (values.containsKey(DataColumns.NOTE_ID)) { if (values.containsKey(DataColumns.NOTE_ID)) {
noteId = values.getAsLong(DataColumns.NOTE_ID); noteId = values.getAsLong(DataColumns.NOTE_ID);
@ -167,6 +173,7 @@ public class NotesProvider extends ContentProvider {
throw new IllegalArgumentException("Unknown URI " + uri); throw new IllegalArgumentException("Unknown URI " + uri);
} }
// Notify the note 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) { if (noteId > 0) {
getContext().getContentResolver().notifyChange( getContext().getContentResolver().notifyChange(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null); ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null);
@ -178,13 +185,17 @@ public class NotesProvider extends ContentProvider {
ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null); ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null);
} }
// 返回插入的uri的路径
return ContentUris.withAppendedId(uri, insertedId); return ContentUris.withAppendedId(uri, insertedId);
} }
@Override @Override
// 删除一个uri
public int delete(Uri uri, String selection, String[] selectionArgs) { 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; int count = 0;
String id = null; String id = null;
// 获得可写的数据库
SQLiteDatabase db = mHelper.getWritableDatabase(); SQLiteDatabase db = mHelper.getWritableDatabase();
boolean deleteData = false; boolean deleteData = false;
switch (mMatcher.match(uri)) { switch (mMatcher.match(uri)) {
@ -228,6 +239,7 @@ public class NotesProvider extends ContentProvider {
} }
@Override @Override
// 更新一个uri
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
int count = 0; int count = 0;
String id = null; String id = null;
@ -267,10 +279,12 @@ public class NotesProvider extends ContentProvider {
return count; return count;
} }
// 将字符串解析成规定格式
private String parseSelection(String selection) { private String parseSelection(String selection) {
return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : ""); return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : "");
} }
//增加一个noteVersion
private void increaseNoteVersion(long id, String selection, String[] selectionArgs) { private void increaseNoteVersion(long id, String selection, String[] selectionArgs) {
StringBuilder sql = new StringBuilder(120); StringBuilder sql = new StringBuilder(120);
sql.append("UPDATE "); sql.append("UPDATE ");
@ -293,6 +307,7 @@ public class NotesProvider extends ContentProvider {
sql.append(selectString); 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()); mHelper.getWritableDatabase().execSQL(sql.toString());
} }

@ -26,29 +26,53 @@ import org.json.JSONObject;
public class MetaData extends Task { public class MetaData extends Task {
/*
* TAG
* getSimpleName ()
*/
private final static String TAG = MetaData.class.getSimpleName(); private final static String TAG = MetaData.class.getSimpleName();
private String mRelatedGid = null; private String mRelatedGid = null;
/*
public void setMeta(String gid, JSONObject metaInfo) { *
* JSONObjectput ()TasksetNotes ()setName ()
*
*/
public void setMeta(String gid, JSONObject metaInfo)
{
//对函数块进行注释
try { try {
metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid); metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);
/*
* metaInfojsonobject
*/
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, "failed to put related gid"); Log.e(TAG, "failed to put related gid");
/*
*
*/
} }
setNotes(metaInfo.toString()); setNotes(metaInfo.toString());
setName(GTaskStringUtils.META_NOTE_NAME); setName(GTaskStringUtils.META_NOTE_NAME);
} }
/*
* Gid
*/
public String getRelatedGid() { public String getRelatedGid() {
return mRelatedGid; return mRelatedGid;
} }
/*
*
* Made By CuiCan
*/
@Override @Override
public boolean isWorthSaving() { public boolean isWorthSaving() {
return getNotes() != null; return getNotes() != null;
} }
/*
* 使json
* TasksetContentByRemoteJSON ()
*
*/
@Override @Override
public void setContentByRemoteJSON(JSONObject js) { public void setContentByRemoteJSON(JSONObject js) {
super.setContentByRemoteJSON(js); super.setContentByRemoteJSON(js);
@ -58,25 +82,49 @@ public class MetaData extends Task {
mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID); mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID);
} catch (JSONException e) { } catch (JSONException e) {
Log.w(TAG, "failed to get related gid"); Log.w(TAG, "failed to get related gid");
/*
*
*/
mRelatedGid = null; mRelatedGid = null;
} }
} }
} }
/*
* 使json
* Made By CuiCan
*/
@Override @Override
public void setContentByLocalJSON(JSONObject js) { public void setContentByLocalJSON(JSONObject js) {
// this function should not be called // this function should not be called
throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called"); throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
/*
*
*/
} }
/*
* json
* Made By CuiCan
*/
@Override @Override
public JSONObject getLocalJSONFromContent() { public JSONObject getLocalJSONFromContent() {
throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called"); throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");
/*
*
* Made By Cui Can
*/
} }
/*
*
* Made By CuiCan
*/
@Override @Override
public int getSyncAction(Cursor c) { public int getSyncAction(Cursor c) {
throw new IllegalAccessError("MetaData:getSyncAction should not be called"); throw new IllegalAccessError("MetaData:getSyncAction should not be called");
/*
*
* Made By Cui Can
*/
} }
} }

@ -1,51 +1,40 @@
/*
* 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; package net.micode.notes.gtask.data;
import android.database.Cursor; import android.database.Cursor;
import org.json.JSONObject; import org.json.JSONObject;
/**
*
* abstract
*/
public abstract class Node { public abstract class Node {
public static final int SYNC_ACTION_NONE = 0; //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; 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; 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; 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; 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; 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; 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; public static final int SYNC_ACTION_UPDATE_CONFLICT = 7;// 同步出现冲突
public static final int SYNC_ACTION_ERROR = 8; public static final int SYNC_ACTION_ERROR = 8;// 同步出现错误
private String mGid; private String mGid;
private String mName; private String mName;
private long mLastModified; private long mLastModified;//记录最后一次修改时间
private boolean mDeleted; private boolean mDeleted;//表征是否被删除
public Node() { public Node() {
mGid = null; mGid = null;

@ -36,15 +36,29 @@ import org.json.JSONObject;
public class SqlData { public class SqlData {
/*
* TAG
* getSimpleName ()
* Made By CuiCan
*/
private static final String TAG = SqlData.class.getSimpleName(); private static final String TAG = SqlData.class.getSimpleName();
private static final int INVALID_ID = -99999; private static final int INVALID_ID = -99999;//为mDataId置初始值-99999
/**
* NotesDataColumn
*/
// 集合了interface DataColumns中所有SF常量
public static final String[] PROJECTION_DATA = new String[] { public static final String[] PROJECTION_DATA = new String[] {
DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1, DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1,
DataColumns.DATA3 DataColumns.DATA3
}; };
/**
* sql5
*/
public static final int DATA_ID_COLUMN = 0; public static final int DATA_ID_COLUMN = 0;
public static final int DATA_MIME_TYPE_COLUMN = 1; public static final int DATA_MIME_TYPE_COLUMN = 1;
@ -56,7 +70,7 @@ public class SqlData {
public static final int DATA_CONTENT_DATA_3_COLUMN = 4; public static final int DATA_CONTENT_DATA_3_COLUMN = 4;
private ContentResolver mContentResolver; private ContentResolver mContentResolver;
//判断是否直接用Content生成是为true否则为false
private boolean mIsCreate; private boolean mIsCreate;
private long mDataId; private long mDataId;
@ -71,10 +85,17 @@ public class SqlData {
private ContentValues mDiffDataValues; private ContentValues mDiffDataValues;
/*
*
* mContentResolverContentProvider
* mIsCreate
*
* Made By CuiCan
*/
public SqlData(Context context) { public SqlData(Context context) {
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
mIsCreate = true; mIsCreate = true;
mDataId = INVALID_ID; mDataId = INVALID_ID;//mDataId置初始值-99999
mDataMimeType = DataConstants.NOTE; mDataMimeType = DataConstants.NOTE;
mDataContent = ""; mDataContent = "";
mDataContentData1 = 0; mDataContentData1 = 0;
@ -82,6 +103,14 @@ public class SqlData {
mDiffDataValues = new ContentValues(); mDiffDataValues = new ContentValues();
} }
/*
*
* mContentResolverContentProvider
* mIsCreate
*
* Made By CuiCan
*/
public SqlData(Context context, Cursor c) { public SqlData(Context context, Cursor c) {
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
mIsCreate = false; mIsCreate = false;
@ -89,6 +118,11 @@ public class SqlData {
mDiffDataValues = new ContentValues(); mDiffDataValues = new ContentValues();
} }
/*
*
*
* Made By CuiCan
*/
private void loadFromCursor(Cursor c) { private void loadFromCursor(Cursor c) {
mDataId = c.getLong(DATA_ID_COLUMN); mDataId = c.getLong(DATA_ID_COLUMN);
mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN); mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN);
@ -97,7 +131,14 @@ public class SqlData {
mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN); mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN);
} }
/*
*
*
* Made By CuiCan
*/
public void setContent(JSONObject js) throws JSONException { 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; long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID;
if (mIsCreate || mDataId != dataId) { if (mIsCreate || mDataId != dataId) {
mDiffDataValues.put(DataColumns.ID, dataId); mDiffDataValues.put(DataColumns.ID, dataId);
@ -130,11 +171,18 @@ public class SqlData {
mDataContentData3 = dataContentData3; mDataContentData3 = dataContentData3;
} }
/*
*
*
* Made By CuiCan
*/
public JSONObject getContent() throws JSONException { public JSONObject getContent() throws JSONException {
if (mIsCreate) { if (mIsCreate) {
Log.e(TAG, "it seems that we haven't created this in database yet"); Log.e(TAG, "it seems that we haven't created this in database yet");
return null; return null;
} }
//创建JSONObject对象。并将相关数据放入其中并返回。
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
js.put(DataColumns.ID, mDataId); js.put(DataColumns.ID, mDataId);
js.put(DataColumns.MIME_TYPE, mDataMimeType); js.put(DataColumns.MIME_TYPE, mDataMimeType);
@ -144,6 +192,11 @@ public class SqlData {
return js; return js;
} }
/*
* commit
*
* Made By CuiCan
*/
public void commit(long noteId, boolean validateVersion, long version) { public void commit(long noteId, boolean validateVersion, long version) {
if (mIsCreate) { if (mIsCreate) {
@ -167,7 +220,7 @@ public class SqlData {
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null); Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null);
} else { } else {
result = mContentResolver.update(ContentUris.withAppendedId( result = mContentResolver.update(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues,
" ? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE " ? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.VERSION + "=?)", new String[] { + " WHERE " + NoteColumns.VERSION + "=?)", new String[] {
String.valueOf(noteId), String.valueOf(version) String.valueOf(noteId), String.valueOf(version)
@ -183,7 +236,15 @@ public class SqlData {
mIsCreate = false; mIsCreate = false;
} }
/*
* id
*
*
* Made By CuiCan
*/
public long getId() { public long getId() {
return mDataId; return mDataId;
} }
} }

@ -38,11 +38,30 @@ import org.json.JSONObject;
import java.util.ArrayList; import java.util.ArrayList;
/*
* Description便sqldatanotedata
* SqlDataSqlNote
*/
/*
*
*
*
* Made By CuiCan
*/
public class SqlNote { public class SqlNote {
/*
* TAG
* getSimpleName ()
* Made By CuiCan
*/
private static final String TAG = SqlNote.class.getSimpleName(); private static final String TAG = SqlNote.class.getSimpleName();
private static final int INVALID_ID = -99999; 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[] { public static final String[] PROJECTION_NOTE = new String[] {
NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID, NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID,
NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE, NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE,
@ -52,6 +71,7 @@ public class SqlNote {
NoteColumns.VERSION NoteColumns.VERSION
}; };
//以下设置17个列的编号
public static final int ID_COLUMN = 0; public static final int ID_COLUMN = 0;
public static final int ALERTED_DATE_COLUMN = 1; public static final int ALERTED_DATE_COLUMN = 1;
@ -86,6 +106,7 @@ public class SqlNote {
public static final int VERSION_COLUMN = 16; 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 Context mContext;
private ContentResolver mContentResolver; private ContentResolver mContentResolver;
@ -122,6 +143,13 @@ public class SqlNote {
private ArrayList<SqlData> mDataList; private ArrayList<SqlData> mDataList;
/*
*
* mIsCreate
*
* 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) { public SqlNote(Context context) {
mContext = context; mContext = context;
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
@ -129,9 +157,9 @@ public class SqlNote {
mId = INVALID_ID; mId = INVALID_ID;
mAlertDate = 0; mAlertDate = 0;
mBgColorId = ResourceParser.getDefaultBgId(context); mBgColorId = ResourceParser.getDefaultBgId(context);
mCreatedDate = System.currentTimeMillis(); mCreatedDate = System.currentTimeMillis();//调用系统函数获得创建时间
mHasAttachment = 0; mHasAttachment = 0;
mModifiedDate = System.currentTimeMillis(); mModifiedDate = System.currentTimeMillis();//最后一次修改时间初始化为创建时间
mParentId = 0; mParentId = 0;
mSnippet = ""; mSnippet = "";
mType = Notes.TYPE_NOTE; mType = Notes.TYPE_NOTE;
@ -143,17 +171,33 @@ public class SqlNote {
mDataList = new ArrayList<SqlData>(); mDataList = new ArrayList<SqlData>();
} }
/*
*
* mIsCreate
*
* 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) { public SqlNote(Context context, Cursor c) {
mContext = context; mContext = context;
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
mIsCreate = false; mIsCreate = false;
loadFromCursor(c); loadFromCursor(c);
mDataList = new ArrayList<SqlData>(); mDataList = new ArrayList<SqlData>();
//
if (mType == Notes.TYPE_NOTE) if (mType == Notes.TYPE_NOTE)
loadDataContent(); loadDataContent();
mDiffNoteValues = new ContentValues(); mDiffNoteValues = new ContentValues();
} }
/*
*
* mIsCreate
*
* Made By CuiCan
*/
public SqlNote(Context context, long id) { public SqlNote(Context context, long id) {
mContext = context; mContext = context;
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
@ -166,16 +210,21 @@ public class SqlNote {
} }
/*
* id
* Made By CuiCan
*/
private void loadFromCursor(long id) { private void loadFromCursor(long id) {
Cursor c = null; Cursor c = null;
try { try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)", c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)",
new String[] { new String[] {
String.valueOf(id) String.valueOf(id)
}, null); }, null);//通过id获得对应的ContentResolver中的cursor
if (c != null) { if (c != null) {
c.moveToNext(); c.moveToNext();
loadFromCursor(c); 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 { } else {
Log.w(TAG, "loadFromCursor: cursor = null"); Log.w(TAG, "loadFromCursor: cursor = null");
} }
@ -185,7 +234,12 @@ public class SqlNote {
} }
} }
/*
*
* Made By CuiCan
*/
private void loadFromCursor(Cursor c) { 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); mId = c.getLong(ID_COLUMN);
mAlertDate = c.getLong(ALERTED_DATE_COLUMN); mAlertDate = c.getLong(ALERTED_DATE_COLUMN);
mBgColorId = c.getInt(BG_COLOR_ID_COLUMN); mBgColorId = c.getInt(BG_COLOR_ID_COLUMN);
@ -200,13 +254,18 @@ public class SqlNote {
mVersion = c.getLong(VERSION_COLUMN); mVersion = c.getLong(VERSION_COLUMN);
} }
/*
* content
*
* Made By CuiCan
*/
private void loadDataContent() { private void loadDataContent() {
Cursor c = null; Cursor c = null;
mDataList.clear(); mDataList.clear();
try { try {
c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA, c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA,
"(note_id=?)", new String[] { "(note_id=?)", new String[] {
String.valueOf(mId) String.valueOf(mId)
}, null); }, null);
if (c != null) { if (c != null) {
if (c.getCount() == 0) { if (c.getCount() == 0) {
@ -226,6 +285,11 @@ public class SqlNote {
} }
} }
/*
* content
*
* Made By CuiCan
*/
public boolean setContent(JSONObject js) { public boolean setContent(JSONObject js) {
try { try {
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
@ -267,7 +331,6 @@ public class SqlNote {
mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId); mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId);
} }
mBgColorId = bgColorId; mBgColorId = bgColorId;
long createDate = note.has(NoteColumns.CREATED_DATE) ? note long createDate = note.has(NoteColumns.CREATED_DATE) ? note
.getLong(NoteColumns.CREATED_DATE) : System.currentTimeMillis(); .getLong(NoteColumns.CREATED_DATE) : System.currentTimeMillis();
if (mIsCreate || mCreatedDate != createDate) { if (mIsCreate || mCreatedDate != createDate) {
@ -359,6 +422,11 @@ public class SqlNote {
return true; return true;
} }
/*
* contentnote
*
* Made By CuiCan
*/
public JSONObject getContent() { public JSONObject getContent() {
try { try {
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
@ -369,7 +437,7 @@ public class SqlNote {
} }
JSONObject note = new JSONObject(); JSONObject note = new JSONObject();
if (mType == Notes.TYPE_NOTE) { if (mType == Notes.TYPE_NOTE) {//类型为note时
note.put(NoteColumns.ID, mId); note.put(NoteColumns.ID, mId);
note.put(NoteColumns.ALERTED_DATE, mAlertDate); note.put(NoteColumns.ALERTED_DATE, mAlertDate);
note.put(NoteColumns.BG_COLOR_ID, mBgColorId); note.put(NoteColumns.BG_COLOR_ID, mBgColorId);
@ -392,7 +460,7 @@ public class SqlNote {
} }
} }
js.put(GTaskStringUtils.META_HEAD_DATA, dataArray); js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
} else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) { } 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.ID, mId);
note.put(NoteColumns.TYPE, mType); note.put(NoteColumns.TYPE, mType);
note.put(NoteColumns.SNIPPET, mSnippet); note.put(NoteColumns.SNIPPET, mSnippet);
@ -407,39 +475,84 @@ public class SqlNote {
return null; return null;
} }
/*
* idid
*
* Made By CuiCan
*/
public void setParentId(long id) { public void setParentId(long id) {
mParentId = id; mParentId = id;
mDiffNoteValues.put(NoteColumns.PARENT_ID, id); mDiffNoteValues.put(NoteColumns.PARENT_ID, id);
} }
/*
* idGtaskid
*
* Made By CuiCan
*/
public void setGtaskId(String gid) { public void setGtaskId(String gid) {
mDiffNoteValues.put(NoteColumns.GTASK_ID, gid); mDiffNoteValues.put(NoteColumns.GTASK_ID, gid);
} }
/*
* idid
*
* Made By CuiCan
*/
public void setSyncId(long syncId) { public void setSyncId(long syncId) {
mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId); mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId);
} }
/*
*
*
* Made By CuiCan
*/
public void resetLocalModified() { public void resetLocalModified() {
mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0); mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0);
} }
/*
* id
*
* Made By CuiCan
*/
public long getId() { public long getId() {
return mId; return mId;
} }
/*
* idid
*
* Made By CuiCan
*/
public long getParentId() { public long getParentId() {
return mParentId; return mParentId;
} }
/*
* 便
*
* Made By CuiCan
*/
public String getSnippet() { public String getSnippet() {
return mSnippet; return mSnippet;
} }
/*
* 便
*
* Made By CuiCan
*/
public boolean isNoteType() { public boolean isNoteType() {
return mType == Notes.TYPE_NOTE; return mType == Notes.TYPE_NOTE;
} }
/*
* commit
*
* Made By CuiCan
*/
public void commit(boolean validateVersion) { public void commit(boolean validateVersion) {
if (mIsCreate) { if (mIsCreate) {
if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) { if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) {
@ -458,7 +571,7 @@ public class SqlNote {
} }
if (mType == Notes.TYPE_NOTE) { if (mType == Notes.TYPE_NOTE) {
for (SqlData sqlData : mDataList) { for (SqlData sqlData : mDataList) {//直接使用sqldata中的实现
sqlData.commit(mId, false, -1); sqlData.commit(mId, false, -1);
} }
} }
@ -470,14 +583,14 @@ public class SqlNote {
if (mDiffNoteValues.size() > 0) { if (mDiffNoteValues.size() > 0) {
mVersion ++; mVersion ++;
int result = 0; int result = 0;
if (!validateVersion) { if (!validateVersion) {//构造字符串
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
+ NoteColumns.ID + "=?)", new String[] { + NoteColumns.ID + "=?)", new String[] {
String.valueOf(mId) String.valueOf(mId)
}); });
} else { } else {
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
+ NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)", + NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)",
new String[] { new String[] {
String.valueOf(mId), String.valueOf(mVersion) String.valueOf(mId), String.valueOf(mVersion)
}); });

@ -32,25 +32,26 @@ import org.json.JSONException;
import org.json.JSONObject; import org.json.JSONObject;
public class Task extends Node { public class Task extends Node {
private static final String TAG = Task.class.getSimpleName(); private static final String TAG = Task.class.getSimpleName();
private boolean mCompleted; private boolean mCompleted;//是否完成
private String mNotes; private String mNotes;
private JSONObject mMetaInfo; private JSONObject mMetaInfo;//将在实例中存储数据的类型
private Task mPriorSibling; private Task mPriorSibling;//对应的优先兄弟Task的指针待完善
private TaskList mParent; private TaskList mParent;//所在的任务列表的指针
public Task() { public Task() {
super(); super();
mCompleted = false; mCompleted = false;
mNotes = null; mNotes = null;
mPriorSibling = null; mPriorSibling = null;//TaskList中当前Task前面的Task的指针
mParent = null; mParent = null;//当前Task所在的TaskList
mMetaInfo = null; mMetaInfo = null;
} }
@ -80,14 +81,18 @@ public class Task extends Node {
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
// parent_id // parent_id
js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid()); if (mParent!= null) {
js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid());
}
// dest_parent_type // dest_parent_type
js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE, js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE,
GTaskStringUtils.GTASK_JSON_TYPE_GROUP); GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
// list_id // list_id
js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid()); if (mParent!= null) {
js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid());
}
// prior_sibling_id // prior_sibling_id
if (mPriorSibling != null) { if (mPriorSibling != null) {
@ -175,7 +180,7 @@ public class Task extends Node {
} }
} }
public void setContentByLocalJSON(JSONObject js) { public void setContentByLocalJSON(JSONObject js) { //<2F><>metadata<74><61><EFBFBD><EFBFBD>ʵʩ
if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE) if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)
|| !js.has(GTaskStringUtils.META_HEAD_DATA)) { || !js.has(GTaskStringUtils.META_HEAD_DATA)) {
Log.w(TAG, "setContentByLocalJSON: nothing is avaiable"); Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");

@ -30,12 +30,13 @@ import org.json.JSONObject;
import java.util.ArrayList; import java.util.ArrayList;
public class TaskList extends Node { public class TaskList extends Node {
private static final String TAG = TaskList.class.getSimpleName(); private static final String TAG = TaskList.class.getSimpleName();//tag标记
private int mIndex; private int mIndex;//当前TaskList的指针
private ArrayList<Task> mChildren; private ArrayList<Task> mChildren;//类中主要的保存数据的单元用来实现一个以Task为元素的ArrayList
public TaskList() { public TaskList() {
super(); super();
@ -43,6 +44,10 @@ public class TaskList extends Node {
mIndex = 1; mIndex = 1;
} }
/* (non-Javadoc)
* @see net.micode.notes.gtask.data.Node#getCreateAction(int)
* JSONObject
*/
public JSONObject getCreateAction(int actionId) { public JSONObject getCreateAction(int actionId) {
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
@ -58,7 +63,7 @@ public class TaskList extends Node {
js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex); js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex);
// entity_delta // entity_delta
JSONObject entity = new JSONObject(); JSONObject entity = new JSONObject();//entity实体
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null"); entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE, entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE,
@ -74,6 +79,10 @@ public class TaskList extends Node {
return js; return js;
} }
/* (non-Javadoc)
* @see net.micode.notes.gtask.data.Node#getUpdateAction(int)
* JSONObject
*/
public JSONObject getUpdateAction(int actionId) { public JSONObject getUpdateAction(int actionId) {
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
@ -216,10 +225,19 @@ public class TaskList extends Node {
return SYNC_ACTION_ERROR; return SYNC_ACTION_ERROR;
} }
/**
* @return
* TaskListmChildren
*/
public int getChildTaskCount() { public int getChildTaskCount() {
return mChildren.size(); return mChildren.size();
} }
/**
* @param task
* @return
*
*/
public boolean addChildTask(Task task) { public boolean addChildTask(Task task) {
boolean ret = false; boolean ret = false;
if (task != null && !mChildren.contains(task)) { if (task != null && !mChildren.contains(task)) {
@ -229,11 +247,19 @@ public class TaskList extends Node {
task.setPriorSibling(mChildren.isEmpty() ? null : mChildren task.setPriorSibling(mChildren.isEmpty() ? null : mChildren
.get(mChildren.size() - 1)); .get(mChildren.size() - 1));
task.setParent(this); 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; return ret;
} }
/**
* @param task
* @param index
* @return
*
*/
public boolean addChildTask(Task task, int index) { public boolean addChildTask(Task task, int index) {
if (index < 0 || index > mChildren.size()) { if (index < 0 || index > mChildren.size()) {
Log.e(TAG, "add child task: invalid index"); Log.e(TAG, "add child task: invalid index");
@ -260,6 +286,11 @@ public class TaskList extends Node {
return true; return true;
} }
/**
* @param task
* @return
* TaskListTask
*/
public boolean removeChildTask(Task task) { public boolean removeChildTask(Task task) {
boolean ret = false; boolean ret = false;
int index = mChildren.indexOf(task); int index = mChildren.indexOf(task);
@ -281,6 +312,12 @@ public class TaskList extends Node {
return ret; return ret;
} }
/**
* @param task
* @param index
* @return
* TaskListTaskindex
*/
public boolean moveChildTask(Task task, int index) { public boolean moveChildTask(Task task, int index) {
if (index < 0 || index >= mChildren.size()) { if (index < 0 || index >= mChildren.size()) {
@ -297,8 +334,14 @@ public class TaskList extends Node {
if (pos == index) if (pos == index)
return true; return true;
return (removeChildTask(task) && addChildTask(task, index)); return (removeChildTask(task) && addChildTask(task, index));
//利用已实现好的功能完成当下功能;
} }
/**
* @param gid
* @return
* gidTask
*/
public Task findChildTaskByGid(String gid) { public Task findChildTaskByGid(String gid) {
for (int i = 0; i < mChildren.size(); i++) { for (int i = 0; i < mChildren.size(); i++) {
Task t = mChildren.get(i); Task t = mChildren.get(i);
@ -309,10 +352,20 @@ public class TaskList extends Node {
return null; return null;
} }
/**
* @param task
* @return
* Taskindex
*/
public int getChildTaskIndex(Task task) { public int getChildTaskIndex(Task task) {
return mChildren.indexOf(task); return mChildren.indexOf(task);
} }
/**
* @param index
* @return
* indexTask
*/
public Task getChildTaskByIndex(int index) { public Task getChildTaskByIndex(int index) {
if (index < 0 || index >= mChildren.size()) { if (index < 0 || index >= mChildren.size()) {
Log.e(TAG, "getTaskByIndex: invalid index"); Log.e(TAG, "getTaskByIndex: invalid index");
@ -321,8 +374,13 @@ public class TaskList extends Node {
return mChildren.get(index); return mChildren.get(index);
} }
/**
* @param gid
* @return
* gidTask
*/
public Task getChilTaskByGid(String gid) { public Task getChilTaskByGid(String gid) {
for (Task task : mChildren) { 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)) if (task.getGid().equals(gid))
return task; return task;
} }

@ -16,13 +16,29 @@
package net.micode.notes.gtask.exception; package net.micode.notes.gtask.exception;
/*
* Description便
*/
public class ActionFailureException extends RuntimeException { public class ActionFailureException extends RuntimeException {
private static final long serialVersionUID = 4425249765923293627L; private static final long serialVersionUID = 4425249765923293627L;
/*
* serialVersionUIDjava
* serialVersionUID
* Made By Cuican
*/
public ActionFailureException() { public ActionFailureException() {
super(); super();
} }
/*
* JAVA使superthis.
* new
* 使super
* super()super (paramString)Exception ()Exception (paramString)
* Made By Cuican
*/
public ActionFailureException(String paramString) { public ActionFailureException(String paramString) {
super(paramString); super(paramString);
} }

@ -1,28 +1,28 @@
/* /*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) * Description便
*
* 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.exception; package net.micode.notes.gtask.exception;
public class NetworkFailureException extends Exception { public class NetworkFailureException extends Exception {
private static final long serialVersionUID = 2107610287180234136L; private static final long serialVersionUID = 2107610287180234136L;
/*
* serialVersionUIDjava
* serialVersionUID
* Made By Cuican
*/
public NetworkFailureException() { public NetworkFailureException() {
super(); super();
} }
/*
* JAVA使superthis.
* new
* 使super
* super()super (paramString)Exception ()Exception (paramString)
* Made By Cuican
*/
public NetworkFailureException(String paramString) { public NetworkFailureException(String paramString) {
super(paramString); super(paramString);
} }

@ -48,72 +48,75 @@ import java.util.Iterator;
import java.util.Map; import java.util.Map;
public class GTaskManager { public class GTaskManager {
private static final String TAG = GTaskManager.class.getSimpleName(); private static final String TAG = GTaskManager.class.getSimpleName();
public static final int STATE_SUCCESS = 0; public static final int STATE_SUCCESS = 0;
public static final int STATE_NETWORK_ERROR = 1; public static final int STATE_NETWORK_ERROR = 1;
public static final int STATE_INTERNAL_ERROR = 2; public static final int STATE_INTERNAL_ERROR = 2;
public static final int STATE_SYNC_IN_PROGRESS = 3; public static final int STATE_SYNC_IN_PROGRESS = 3;
public static final int STATE_SYNC_CANCELLED = 4; public static final int STATE_SYNC_CANCELLED = 4;
private static GTaskManager mInstance = null; private static GTaskManager mInstance = null;
private Activity mActivity; private Activity mActivity;
private Context mContext; private Context mContext;
private ContentResolver mContentResolver; private ContentResolver mContentResolver;
private boolean mSyncing; private boolean mSyncing;
private boolean mCancelled; private boolean mCancelled;
private HashMap<String, TaskList> mGTaskListHashMap; private HashMap<String, TaskList> mGTaskListHashMap;
private HashMap<String, Node> mGTaskHashMap; private HashMap<String, Node> mGTaskHashMap;
private HashMap<String, MetaData> mMetaHashMap; private HashMap<String, MetaData> mMetaHashMap;
private TaskList mMetaList; private TaskList mMetaList;
private HashSet<Long> mLocalDeleteIdMap; private HashSet<Long> mLocalDeleteIdMap;
private HashMap<String, Long> mGidToNid; private HashMap<String, Long> mGidToNid;
private HashMap<Long, String> mNidToGid; private HashMap<Long, String> mNidToGid;
private GTaskManager() { private GTaskManager() { //对象初始化函数
mSyncing = false; mSyncing = false; //正在同步,flase代表未执行
mCancelled = false; mCancelled = false; //全局标识flase代表可以执行
mGTaskListHashMap = new HashMap<String, TaskList>(); mGTaskListHashMap = new HashMap<String, TaskList>(); //<>代表Java的泛型,就是创建一个用类型作为参数的类。
mGTaskHashMap = new HashMap<String, Node>(); mGTaskHashMap = new HashMap<String, Node>();
mMetaHashMap = new HashMap<String, MetaData>(); mMetaHashMap = new HashMap<String, MetaData>();
mMetaList = null; mMetaList = null;
mLocalDeleteIdMap = new HashSet<Long>(); mLocalDeleteIdMap = new HashSet<Long>();
mGidToNid = new HashMap<String, Long>(); mGidToNid = new HashMap<String, Long>(); //GoogleID to NodeID??
mNidToGid = new HashMap<Long, String>(); mNidToGid = new HashMap<Long, String>(); //NodeID to GoogleID???通过hashmap散列表建立映射
} }
public static synchronized GTaskManager getInstance() { /**
* synchronized线
*
* @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) { if (mInstance == null) {
mInstance = new GTaskManager(); mInstance = new GTaskManager();
} }
return mInstance; return mInstance;
} }
/**
* synchronized线
* @author TTS
* @param activity
*/
public synchronized void setActivityContext(Activity activity) { public synchronized void setActivityContext(Activity activity) {
// used for getting authtoken // used for getting auth token
mActivity = activity; mActivity = activity;
} }
public int sync(Context context, GTaskASyncTask asyncTask) { /**
*
*
* @author TTS
* @param context-----
* @param asyncTask-------
* @return int
*/
public int sync(Context context, GTaskASyncTask asyncTask) { //核心函数
if (mSyncing) { if (mSyncing) {
Log.d(TAG, "Sync is in progress"); Log.d(TAG, "Sync is in progress"); //创建日志文件调试信息debug
return STATE_SYNC_IN_PROGRESS; return STATE_SYNC_IN_PROGRESS;
} }
mContext = context; mContext = context;
@ -128,8 +131,8 @@ public class GTaskManager {
mNidToGid.clear(); mNidToGid.clear();
try { try {
GTaskClient client = GTaskClient.getInstance(); GTaskClient client = GTaskClient.getInstance(); //getInstance即为创建一个实例,client--客户机
client.resetUpdateArray(); client.resetUpdateArray(); //JSONArray类型reset即置为NULL
// login google task // login google task
if (!mCancelled) { if (!mCancelled) {
@ -140,15 +143,15 @@ public class GTaskManager {
// get the task list from google // get the task list from google
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list)); asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list));
initGTaskList(); initGTaskList(); //获取Google上的JSONtasklist转为本地TaskList
// do content sync work // do content sync work
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing)); asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing));
syncContent(); syncContent();
} catch (NetworkFailureException e) { } catch (NetworkFailureException e) { //分为两种异常,此类异常为网络异常
Log.e(TAG, e.toString()); Log.e(TAG, e.toString()); //创建日志文件调试信息error
return STATE_NETWORK_ERROR; return STATE_NETWORK_ERROR;
} catch (ActionFailureException e) { } catch (ActionFailureException e) { //此类异常为操作异常
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
return STATE_INTERNAL_ERROR; return STATE_INTERNAL_ERROR;
} catch (Exception e) { } catch (Exception e) {
@ -168,32 +171,41 @@ public class GTaskManager {
return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS; return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS;
} }
/**
*GtaskListGoogleJSONtasklistTaskList
*mMetaListmGTaskListHashMapmGTaskHashMap
*@author TTS
*@exception NetworkFailureException
*@return void
*/
private void initGTaskList() throws NetworkFailureException { private void initGTaskList() throws NetworkFailureException {
if (mCancelled) if (mCancelled)
return; return;
GTaskClient client = GTaskClient.getInstance(); GTaskClient client = GTaskClient.getInstance(); //getInstance即为创建一个实例client应指远端客户机
try { try {
JSONArray jsTaskLists = client.getTaskLists(); //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 // init meta list first
mMetaList = null; mMetaList = null; //TaskList类型
for (int i = 0; i < jsTaskLists.length(); i++) { for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(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 gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME); String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
if (name if (name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) {
.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 = new TaskList(); 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...
mMetaList.setContentByRemoteJSON(object);
// load meta data // load meta data
JSONArray jsMetas = client.getTaskList(gid); JSONArray jsMetas = client.getTaskList(gid); //原注释为get action_list------list
for (int j = 0; j < jsMetas.length(); j++) { for (int j = 0; j < jsMetas.length(); j++) {
object = (JSONObject) jsMetas.getJSONObject(j); object = (JSONObject) jsMetas.getJSONObject(j);
MetaData metaData = new MetaData(); MetaData metaData = new MetaData(); //继承自Node
metaData.setContentByRemoteJSON(object); metaData.setContentByRemoteJSON(object);
if (metaData.isWorthSaving()) { if (metaData.isWorthSaving()) { //if not worth to savemetadata将不加入mMetaList
mMetaList.addChildTask(metaData); mMetaList.addChildTask(metaData);
if (metaData.getGid() != null) { if (metaData.getGid() != null) {
mMetaHashMap.put(metaData.getRelatedGid(), metaData); mMetaHashMap.put(metaData.getRelatedGid(), metaData);
@ -214,16 +226,16 @@ public class GTaskManager {
// init task list // init task list
for (int i = 0; i < jsTaskLists.length(); i++) { for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(i); JSONObject object = jsTaskLists.getJSONObject(i);
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); 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); String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX) if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)
&& !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX && !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX
+ GTaskStringUtils.FOLDER_META)) { + GTaskStringUtils.FOLDER_META)) {
TaskList tasklist = new TaskList(); TaskList tasklist = new TaskList(); //继承自Node
tasklist.setContentByRemoteJSON(object); tasklist.setContentByRemoteJSON(object);
mGTaskListHashMap.put(gid, tasklist); mGTaskListHashMap.put(gid, tasklist);
mGTaskHashMap.put(gid, tasklist); mGTaskHashMap.put(gid, tasklist); //为什么加两遍???
// load tasks // load tasks
JSONArray jsTasks = client.getTaskList(gid); JSONArray jsTasks = client.getTaskList(gid);
@ -247,13 +259,18 @@ public class GTaskManager {
} }
} }
private void syncContent() throws NetworkFailureException { /**
*
* @throws NetworkFailureException
* @return
*/
private void syncContent() throws NetworkFailureException { //本地内容同步操作
int syncType; int syncType;
Cursor c = null; Cursor c = null; //数据库指针
String gid; String gid; //GoogleID??
Node node; Node node; //Node包含Sync_Action的不同类型
mLocalDeleteIdMap.clear(); mLocalDeleteIdMap.clear(); //HashSet<Long>类型
if (mCancelled) { if (mCancelled) {
return; return;
@ -301,8 +318,8 @@ public class GTaskManager {
node = mGTaskHashMap.get(gid); node = mGTaskHashMap.get(gid);
if (node != null) { if (node != null) {
mGTaskHashMap.remove(gid); mGTaskHashMap.remove(gid);
mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN)); mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN)); //通过hashmap建立联系
mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid); mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid); //通过hashmap建立联系
syncType = node.getSyncAction(c); syncType = node.getSyncAction(c);
} else { } else {
if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) { if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
@ -327,14 +344,14 @@ public class GTaskManager {
} }
// go through remaining items // go through remaining items
Iterator<Map.Entry<String, Node>> iter = mGTaskHashMap.entrySet().iterator(); Iterator<Map.Entry<String, Node>> iter = mGTaskHashMap.entrySet().iterator(); //Iterator迭代器
while (iter.hasNext()) { while (iter.hasNext()) {
Map.Entry<String, Node> entry = iter.next(); Map.Entry<String, Node> entry = iter.next();
node = entry.getValue(); node = entry.getValue();
doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null); doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
} }
// mCancelled can be set by another thread, so we neet to check one by // mCancelled can be set by another thread, so we neet to check one by //thread----线程
// one // one
// clear local delete table // clear local delete table
if (!mCancelled) { if (!mCancelled) {
@ -351,6 +368,11 @@ public class GTaskManager {
} }
/**
*
* @author TTS
* @throws NetworkFailureException
*/
private void syncFolder() throws NetworkFailureException { private void syncFolder() throws NetworkFailureException {
Cursor c = null; Cursor c = null;
String gid; String gid;
@ -394,7 +416,7 @@ public class GTaskManager {
try { try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, "(_id=?)", c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, "(_id=?)",
new String[] { new String[] {
String.valueOf(Notes.ID_CALL_RECORD_FOLDER) String.valueOf(Notes.ID_CALL_RECORD_FOLDER)
}, null); }, null);
if (c != null) { if (c != null) {
if (c.moveToNext()) { if (c.moveToNext()) {
@ -476,6 +498,14 @@ public class GTaskManager {
GTaskClient.getInstance().commitUpdate(); GTaskClient.getInstance().commitUpdate();
} }
/**
* syncTypeaddLocalNodeaddRemoteNodedeleteNodeupdateLocalNodeupdateRemoteNode
* @author TTS
* @param syncType
* @param node
* @param c
* @throws NetworkFailureException
*/
private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException { private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) { if (mCancelled) {
return; return;
@ -522,6 +552,12 @@ public class GTaskManager {
} }
} }
/**
* Node
* @author TTS
* @param node
* @throws NetworkFailureException
*/
private void addLocalNode(Node node) throws NetworkFailureException { private void addLocalNode(Node node) throws NetworkFailureException {
if (mCancelled) { if (mCancelled) {
return; return;
@ -596,6 +632,15 @@ public class GTaskManager {
updateRemoteMeta(node.getGid(), sqlNote); updateRemoteMeta(node.getGid(), sqlNote);
} }
/**
* updatenode
* @author TTS
* @param node
* ----
* @param c
* ----Cursor
* @throws NetworkFailureException
*/
private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException { private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) { if (mCancelled) {
return; return;
@ -619,12 +664,22 @@ public class GTaskManager {
updateRemoteMeta(node.getGid(), sqlNote); updateRemoteMeta(node.getGid(), sqlNote);
} }
/**
* Node
* updateRemoteMeta
* @author TTS
* @param node
* ----
* @param c
* --Cursor
* @throws NetworkFailureException
*/
private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException { private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) { if (mCancelled) {
return; return;
} }
SqlNote sqlNote = new SqlNote(mContext, c); SqlNote sqlNote = new SqlNote(mContext, c); //从本地mContext中获取内容
Node n; Node n;
// update remotely // update remotely
@ -634,11 +689,12 @@ public class GTaskManager {
String parentGid = mNidToGid.get(sqlNote.getParentId()); String parentGid = mNidToGid.get(sqlNote.getParentId());
if (parentGid == null) { if (parentGid == null) {
Log.e(TAG, "cannot find task's parent tasklist"); Log.e(TAG, "cannot find task's parent tasklist"); //调试信息
throw new ActionFailureException("cannot add remote task"); throw new ActionFailureException("cannot add remote task");
} }
mGTaskListHashMap.get(parentGid).addChildTask(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); GTaskClient.getInstance().createTask(task);
n = (Node) task; n = (Node) task;
@ -656,6 +712,7 @@ public class GTaskManager {
else else
folderName += sqlNote.getSnippet(); folderName += sqlNote.getSnippet();
//iterator迭代器通过统一的接口迭代所有的map元素
Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator(); Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
while (iter.hasNext()) { while (iter.hasNext()) {
Map.Entry<String, TaskList> entry = iter.next(); Map.Entry<String, TaskList> entry = iter.next();
@ -687,11 +744,20 @@ public class GTaskManager {
sqlNote.resetLocalModified(); sqlNote.resetLocalModified();
sqlNote.commit(true); sqlNote.commit(true);
// gid-id mapping // gid-id mapping //创建id间的映射
mGidToNid.put(n.getGid(), sqlNote.getId()); mGidToNid.put(n.getGid(), sqlNote.getId());
mNidToGid.put(sqlNote.getId(), n.getGid()); mNidToGid.put(sqlNote.getId(), n.getGid());
} }
/**
* Nodemeta(updateRemoteMeta)
* @author TTS
* @param node
* ----
* @param c
* --Cursor
* @throws NetworkFailureException
*/
private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException { private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) { if (mCancelled) {
return; return;
@ -701,7 +767,7 @@ public class GTaskManager {
// update remotely // update remotely
node.setContentByLocalJSON(sqlNote.getContent()); node.setContentByLocalJSON(sqlNote.getContent());
GTaskClient.getInstance().addUpdateNode(node); GTaskClient.getInstance().addUpdateNode(node); //GTaskClient用途为从本地登陆远端服务器
// update meta // update meta
updateRemoteMeta(node.getGid(), sqlNote); updateRemoteMeta(node.getGid(), sqlNote);
@ -710,15 +776,19 @@ public class GTaskManager {
if (sqlNote.isNoteType()) { if (sqlNote.isNoteType()) {
Task task = (Task) node; Task task = (Task) node;
TaskList preParentList = task.getParent(); TaskList preParentList = task.getParent();
//preParentList为通过node获取的父节点列表
String curParentGid = mNidToGid.get(sqlNote.getParentId()); 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) { if (curParentGid == null) {
Log.e(TAG, "cannot find task's parent tasklist"); Log.e(TAG, "cannot find task's parent tasklist");
throw new ActionFailureException("cannot update remote task"); throw new ActionFailureException("cannot update remote task");
} }
TaskList curParentList = mGTaskListHashMap.get(curParentGid); TaskList curParentList = mGTaskListHashMap.get(curParentGid);
//通过HashMap找到对应Gid的TaskList
if (preParentList != curParentList) { if (preParentList != curParentList) { //?????????????
preParentList.removeChildTask(task); preParentList.removeChildTask(task);
curParentList.addChildTask(task); curParentList.addChildTask(task);
GTaskClient.getInstance().moveTask(task, preParentList, curParentList); GTaskClient.getInstance().moveTask(task, preParentList, curParentList);
@ -727,9 +797,19 @@ public class GTaskManager {
// clear local modified flag // clear local modified flag
sqlNote.resetLocalModified(); sqlNote.resetLocalModified();
//commit到本地数据库
sqlNote.commit(true); sqlNote.commit(true);
} }
/**
* meta meta----------
* @author TTS
* @param gid
* ---GoogleIDString
* @param sqlNote
* ---使SqlNote
* @throws NetworkFailureException
*/
private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException { private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException {
if (sqlNote != null && sqlNote.isNoteType()) { if (sqlNote != null && sqlNote.isNoteType()) {
MetaData metaData = mMetaHashMap.get(gid); MetaData metaData = mMetaHashMap.get(gid);
@ -746,12 +826,18 @@ public class GTaskManager {
} }
} }
/**
* syncID
* @author TTS
* @return void
* @throws NetworkFailureException
*/
private void refreshLocalSyncId() throws NetworkFailureException { private void refreshLocalSyncId() throws NetworkFailureException {
if (mCancelled) { if (mCancelled) {
return; return;
} }
// get the latest gtask list // get the latest gtask list //获取最近的最晚的gtask list
mGTaskHashMap.clear(); mGTaskHashMap.clear();
mGTaskListHashMap.clear(); mGTaskListHashMap.clear();
mMetaHashMap.clear(); mMetaHashMap.clear();
@ -762,16 +848,16 @@ public class GTaskManager {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type<>? AND parent_id<>?)", new String[] { "(type<>? AND parent_id<>?)", new String[] {
String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER) String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
}, NoteColumns.TYPE + " DESC"); }, 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) { if (c != null) {
while (c.moveToNext()) { while (c.moveToNext()) {
String gid = c.getString(SqlNote.GTASK_ID_COLUMN); String gid = c.getString(SqlNote.GTASK_ID_COLUMN);
Node node = mGTaskHashMap.get(gid); Node node = mGTaskHashMap.get(gid);
if (node != null) { if (node != null) {
mGTaskHashMap.remove(gid); mGTaskHashMap.remove(gid);
ContentValues values = new ContentValues(); 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()); values.put(NoteColumns.SYNC_ID, node.getLastModified());
mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, 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); c.getLong(SqlNote.ID_COLUMN)), values, null, null);
} else { } else {
Log.e(TAG, "something is missed"); Log.e(TAG, "something is missed");
@ -790,10 +876,19 @@ public class GTaskManager {
} }
} }
/**
* ,mAccount.name
* @author TTS
* @return String
*/
public String getSyncAccount() { public String getSyncAccount() {
return GTaskClient.getInstance().getSyncAccount().name; return GTaskClient.getInstance().getSyncAccount().name;
} }
/**
* mCancelledtrue
* @author TTS
*/
public void cancelSync() { public void cancelSync() {
mCancelled = true; mCancelled = true;
} }

@ -23,6 +23,23 @@ import android.content.Intent;
import android.os.Bundle; import android.os.Bundle;
import android.os.IBinder; import android.os.IBinder;
/*
* Service
*
* private void startSync()
* private void cancelSync()
* public void onCreate()
* public int onStartCommand(Intent intent, int flags, int startId) serviceserviceservice
* public void onLowMemory() serviceservice
* public IBinder onBind()
* public void sendBroadcast(String msg)
* public static void startSync(Activity activity)
* public static void cancelSync(Context context)
* public static boolean isSyncing()
* public static String getProgressString()
*/
public class GTaskSyncService extends Service { public class GTaskSyncService extends Service {
public final static String ACTION_STRING_NAME = "sync_action_type"; public final static String ACTION_STRING_NAME = "sync_action_type";
@ -42,6 +59,7 @@ public class GTaskSyncService extends Service {
private static String mSyncProgress = ""; private static String mSyncProgress = "";
//开始一个同步的工作
private void startSync() { private void startSync() {
if (mSyncTask == null) { if (mSyncTask == null) {
mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() { mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {
@ -52,10 +70,11 @@ public class GTaskSyncService extends Service {
} }
}); });
sendBroadcast(""); sendBroadcast("");
mSyncTask.execute(); 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() { private void cancelSync() {
if (mSyncTask != null) { if (mSyncTask != null) {
mSyncTask.cancelSync(); mSyncTask.cancelSync();
@ -63,7 +82,7 @@ public class GTaskSyncService extends Service {
} }
@Override @Override
public void onCreate() { public void onCreate() { //初始化一个service
mSyncTask = null; mSyncTask = null;
} }
@ -72,6 +91,7 @@ public class GTaskSyncService extends Service {
Bundle bundle = intent.getExtras(); Bundle bundle = intent.getExtras();
if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) { if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) {
switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) { 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: case ACTION_START_SYNC:
startSync(); startSync();
break; break;
@ -81,7 +101,7 @@ public class GTaskSyncService extends Service {
default: default:
break; break;
} }
return START_STICKY; return START_STICKY; //等待新的intent来是这个service继续运行
} }
return super.onStartCommand(intent, flags, startId); return super.onStartCommand(intent, flags, startId);
} }
@ -93,26 +113,26 @@ public class GTaskSyncService extends Service {
} }
} }
public IBinder onBind(Intent intent) { public IBinder onBind(Intent intent) { //不知道干吗用的
return null; return null;
} }
public void sendBroadcast(String msg) { public void sendBroadcast(String msg) {
mSyncProgress = msg; mSyncProgress = msg;
Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME); Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME); //创建一个新的Intent
intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null); 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); intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg);
sendBroadcast(intent); sendBroadcast(intent); //发送这个通知
} }
public static void startSync(Activity activity) { public static void startSync(Activity activity) {//执行一个serviceservice的内容里的同步动作就是开始同步
GTaskManager.getInstance().setActivityContext(activity); GTaskManager.getInstance().setActivityContext(activity);
Intent intent = new Intent(activity, GTaskSyncService.class); Intent intent = new Intent(activity, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC); intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC);
activity.startService(intent); activity.startService(intent);
} }
public static void cancelSync(Context context) { public static void cancelSync(Context context) {//执行一个serviceservice的内容里的同步动作就是取消同步
Intent intent = new Intent(context, GTaskSyncService.class); Intent intent = new Intent(context, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC); intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC);
context.startService(intent); context.startService(intent);

@ -15,15 +15,15 @@
*/ */
package net.micode.notes.model; package net.micode.notes.model;
import android.content.ContentProviderOperation; import android.content.ContentProviderOperation;//批量的更新、插入、删除数据。
import android.content.ContentProviderResult; import android.content.ContentProviderResult;//操作的结果
import android.content.ContentUris; import android.content.ContentUris;//用于添加和获取Uri后面的ID
import android.content.ContentValues; 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; import android.content.Context;//需要用该类来弄清楚调用者的实例
import android.content.OperationApplicationException; import android.content.OperationApplicationException;//操作应用程序容错
import android.net.Uri; import android.net.Uri;//表示待操作的数据
import android.os.RemoteException; import android.os.RemoteException;//远程容错
import android.util.Log; import android.util.Log;//输出日志,比如说出错、警告等
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.CallNote; import net.micode.notes.data.Notes.CallNote;
@ -35,9 +35,11 @@ import java.util.ArrayList;
public class Note { public class Note {
private ContentValues mNoteDiffValues; // private ContentValues mNoteDiffValues;
ContentValues mNoteDiffValues;//
private NoteData mNoteData; private NoteData mNoteData;
private static final String TAG = "Note"; private static final String TAG = "Note";
/** /**
* Create a new note id for adding a new note to databases * Create a new note id for adding a new note to databases
*/ */
@ -49,16 +51,17 @@ public class Note {
values.put(NoteColumns.MODIFIED_DATE, createdTime); values.put(NoteColumns.MODIFIED_DATE, createdTime);
values.put(NoteColumns.TYPE, Notes.TYPE_NOTE); values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
values.put(NoteColumns.LOCAL_MODIFIED, 1); values.put(NoteColumns.LOCAL_MODIFIED, 1);
values.put(NoteColumns.PARENT_ID, folderId); 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); 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; long noteId = 0;
try { try {
noteId = Long.valueOf(uri.getPathSegments().get(1)); noteId = Long.valueOf(uri.getPathSegments().get(1));
} catch (NumberFormatException e) { } catch (NumberFormatException e) {
Log.e(TAG, "Get note id error :" + e.toString()); Log.e(TAG, "Get note id error :" + e.toString());
noteId = 0; noteId = 0;
} }//try-catch异常处理
if (noteId == -1) { if (noteId == -1) {
throw new IllegalStateException("Wrong note id:" + noteId); throw new IllegalStateException("Wrong note id:" + noteId);
} }
@ -68,37 +71,37 @@ public class Note {
public Note() { public Note() {
mNoteDiffValues = new ContentValues(); mNoteDiffValues = new ContentValues();
mNoteData = new NoteData(); 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) { public void setNoteValue(String key, String value) {
mNoteDiffValues.put(key, value); mNoteDiffValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); 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) { public void setTextData(String key, String value) {
mNoteData.setTextData(key, 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) { public void setTextDataId(long id) {
mNoteData.setTextDataId(id); mNoteData.setTextDataId(id);
} }//设置文本数据的ID
public long getTextDataId() { public long getTextDataId() {
return mNoteData.mTextDataId; return mNoteData.mTextDataId;
} }//得到文本数据的ID
public void setCallDataId(long id) { public void setCallDataId(long id) {
mNoteData.setCallDataId(id); mNoteData.setCallDataId(id);
} }//设置电话号码数据的ID
public void setCallData(String key, String value) { public void setCallData(String key, String value) {
mNoteData.setCallData(key, value); mNoteData.setCallData(key, value);
} }//得到电话号码数据的ID
public boolean isLocalModified() { public boolean isLocalModified() {
return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified(); return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
} }//判断是否是本地修改
public boolean syncNote(Context context, long noteId) { public boolean syncNote(Context context, long noteId) {
if (noteId <= 0) { if (noteId <= 0) {
@ -128,16 +131,16 @@ public class Note {
} }
return true; return true;
} }//判断数据是否同步
private class NoteData { 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 long mTextDataId;
private ContentValues mTextDataValues; private ContentValues mTextDataValues;//文本数据
private long mCallDataId; private long mCallDataId;
private ContentValues mCallDataValues; private ContentValues mCallDataValues;//电话号码数据
private static final String TAG = "NoteData"; private static final String TAG = "NoteData";
@ -148,12 +151,13 @@ public class Note {
mCallDataId = 0; mCallDataId = 0;
} }
//下面是上述几个函数的具体实现
boolean isLocalModified() { boolean isLocalModified() {
return mTextDataValues.size() > 0 || mCallDataValues.size() > 0; return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
} }
void setTextDataId(long id) { void setTextDataId(long id) {
if(id <= 0) { if (id <= 0) {
throw new IllegalArgumentException("Text data id should larger than 0"); throw new IllegalArgumentException("Text data id should larger than 0");
} }
mTextDataId = id; mTextDataId = id;
@ -178,18 +182,19 @@ public class Note {
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); 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) { Uri pushIntoContentResolver(Context context, long noteId) {
/** /**
* Check for safety * Check for safety
*/ */
if (noteId <= 0) { if (noteId <= 0) {
throw new IllegalArgumentException("Wrong note id:" + noteId); throw new IllegalArgumentException("Wrong note id:" + noteId);
} }//判断数据是否合法
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>(); ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
ContentProviderOperation.Builder builder = null; ContentProviderOperation.Builder builder = null;//数据库的操作列表
if(mTextDataValues.size() > 0) { if (mTextDataValues.size() > 0) {
mTextDataValues.put(DataColumns.NOTE_ID, noteId); mTextDataValues.put(DataColumns.NOTE_ID, noteId);
if (mTextDataId == 0) { if (mTextDataId == 0) {
mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE); mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE);
@ -209,9 +214,9 @@ public class Note {
operationList.add(builder.build()); operationList.add(builder.build());
} }
mTextDataValues.clear(); mTextDataValues.clear();
} }//把文本数据存入DataColumns
if(mCallDataValues.size() > 0) { if (mCallDataValues.size() > 0) {
mCallDataValues.put(DataColumns.NOTE_ID, noteId); mCallDataValues.put(DataColumns.NOTE_ID, noteId);
if (mCallDataId == 0) { if (mCallDataId == 0) {
mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE); mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE);
@ -231,7 +236,7 @@ public class Note {
operationList.add(builder.build()); operationList.add(builder.build());
} }
mCallDataValues.clear(); mCallDataValues.clear();
} }//把电话号码数据存入DataColumns
if (operationList.size() > 0) { if (operationList.size() > 0) {
try { try {
@ -246,8 +251,9 @@ public class Note {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
return null; return null;
} }
} }//存储过程中的异常处理
return null; return null;
} }
} }
} }

@ -43,17 +43,11 @@ public class WorkingNote {
private int mMode; private int mMode;
private long mAlertDate; private long mAlertDate;
private long mModifiedDate; private long mModifiedDate;
private int mBgColorId; private int mBgColorId;
private int mWidgetId; private int mWidgetId;
private int mWidgetType; private int mWidgetType;
private long mFolderId; private long mFolderId;
private Context mContext; private Context mContext;
private static final String TAG = "WorkingNote"; private static final String TAG = "WorkingNote";
@ -62,6 +56,7 @@ public class WorkingNote {
private NoteSettingChangedListener mNoteSettingStatusListener; private NoteSettingChangedListener mNoteSettingStatusListener;
// 声明 DATA_PROJECTION字符串数组
public static final String[] DATA_PROJECTION = new String[] { public static final String[] DATA_PROJECTION = new String[] {
DataColumns.ID, DataColumns.ID,
DataColumns.CONTENT, DataColumns.CONTENT,
@ -72,6 +67,7 @@ public class WorkingNote {
DataColumns.DATA4, DataColumns.DATA4,
}; };
// 声明 NOTE_PROJECTION字符串数组
public static final String[] NOTE_PROJECTION = new String[] { public static final String[] NOTE_PROJECTION = new String[] {
NoteColumns.PARENT_ID, NoteColumns.PARENT_ID,
NoteColumns.ALERTED_DATE, NoteColumns.ALERTED_DATE,
@ -82,27 +78,18 @@ public class WorkingNote {
}; };
private static final int DATA_ID_COLUMN = 0; private static final int DATA_ID_COLUMN = 0;
private static final int DATA_CONTENT_COLUMN = 1; private static final int DATA_CONTENT_COLUMN = 1;
private static final int DATA_MIME_TYPE_COLUMN = 2; private static final int DATA_MIME_TYPE_COLUMN = 2;
private static final int DATA_MODE_COLUMN = 3; private static final int DATA_MODE_COLUMN = 3;
private static final int NOTE_PARENT_ID_COLUMN = 0; private static final int NOTE_PARENT_ID_COLUMN = 0;
private static final int NOTE_ALERTED_DATE_COLUMN = 1; private static final int NOTE_ALERTED_DATE_COLUMN = 1;
private static final int NOTE_BG_COLOR_ID_COLUMN = 2; 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_ID_COLUMN = 3;
private static final int NOTE_WIDGET_TYPE_COLUMN = 4; private static final int NOTE_WIDGET_TYPE_COLUMN = 4;
private static final int NOTE_MODIFIED_DATE_COLUMN = 5; private static final int NOTE_MODIFIED_DATE_COLUMN = 5;
// New note construct // New note construct
private WorkingNote(Context context, long folderId) { public WorkingNote(Context context, long folderId) {
mContext = context; mContext = context;
mAlertDate = 0; mAlertDate = 0;
mModifiedDate = System.currentTimeMillis(); mModifiedDate = System.currentTimeMillis();
@ -114,6 +101,7 @@ public class WorkingNote {
mWidgetType = Notes.TYPE_WIDGET_INVALIDE; mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
} }
// WorkingNote的构造函数
// Existing note construct // Existing note construct
private WorkingNote(Context context, long noteId, long folderId) { private WorkingNote(Context context, long noteId, long folderId) {
mContext = context; mContext = context;
@ -124,11 +112,14 @@ public class WorkingNote {
loadNote(); loadNote();
} }
// 加载Note
// 通过数据库调用query函数找到第一个条目
private void loadNote() { private void loadNote() {
Cursor cursor = mContext.getContentResolver().query( Cursor cursor = mContext.getContentResolver().query(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null, ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null,
null, null); null, null);
// 若存在,储存相应信息
if (cursor != null) { if (cursor != null) {
if (cursor.moveToFirst()) { if (cursor.moveToFirst()) {
mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN); mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN);
@ -139,6 +130,7 @@ public class WorkingNote {
mModifiedDate = cursor.getLong(NOTE_MODIFIED_DATE_COLUMN); mModifiedDate = cursor.getLong(NOTE_MODIFIED_DATE_COLUMN);
} }
cursor.close(); cursor.close();
// 若不存在,报错
} else { } else {
Log.e(TAG, "No note with id:" + mNoteId); Log.e(TAG, "No note with id:" + mNoteId);
throw new IllegalArgumentException("Unable to find note with id " + mNoteId); throw new IllegalArgumentException("Unable to find note with id " + mNoteId);
@ -146,14 +138,16 @@ public class WorkingNote {
loadNoteData(); loadNoteData();
} }
// 加载NoteData
private void loadNoteData() { private void loadNoteData() {
Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION, Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION,
DataColumns.NOTE_ID + "=?", new String[] { DataColumns.NOTE_ID + "=?", new String[] {
String.valueOf(mNoteId) String.valueOf(mNoteId)
}, null); }, null);
if (cursor != null) { if (cursor != null) {
if (cursor.moveToFirst()) { // 查到信息不为空
if (cursor.moveToFirst()) { // 查看第一项是否存在
do { do {
String type = cursor.getString(DATA_MIME_TYPE_COLUMN); String type = cursor.getString(DATA_MIME_TYPE_COLUMN);
if (DataConstants.NOTE.equals(type)) { if (DataConstants.NOTE.equals(type)) {
@ -165,7 +159,7 @@ public class WorkingNote {
} else { } else {
Log.d(TAG, "Wrong note type with type:" + type); Log.d(TAG, "Wrong note type with type:" + type);
} }
} while (cursor.moveToNext()); } while (cursor.moveToNext());//查阅所有项,直到为空
} }
cursor.close(); cursor.close();
} else { } else {
@ -174,9 +168,12 @@ public class WorkingNote {
} }
} }
// 创建空的Note
// 传参context文件夹idwidget背景颜色
public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId, public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId,
int widgetType, int defaultBgColorId) { int widgetType, int defaultBgColorId) {
WorkingNote note = new WorkingNote(context, folderId); WorkingNote note = new WorkingNote(context, folderId);
// 设定相关属性
note.setBgColorId(defaultBgColorId); note.setBgColorId(defaultBgColorId);
note.setWidgetId(widgetId); note.setWidgetId(widgetId);
note.setWidgetType(widgetType); note.setWidgetType(widgetType);
@ -187,9 +184,10 @@ public class WorkingNote {
return new WorkingNote(context, id, 0); return new WorkingNote(context, id, 0);
} }
// 保存Note
public synchronized boolean saveNote() { public synchronized boolean saveNote() {
if (isWorthSaving()) { if (isWorthSaving()) { //是否值得保存
if (!existInDatabase()) { if (!existInDatabase()) { // 是否存在数据库中
if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) { if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) {
Log.e(TAG, "Create new note fail with id:" + mNoteId); Log.e(TAG, "Create new note fail with id:" + mNoteId);
return false; return false;
@ -212,11 +210,14 @@ public class WorkingNote {
} }
} }
// 是否在数据库中存在
public boolean existInDatabase() { public boolean existInDatabase() {
return mNoteId > 0; return mNoteId > 0;
} }
// 是否值得保存
private boolean isWorthSaving() { 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)) if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent))
|| (existInDatabase() && !mNote.isLocalModified())) { || (existInDatabase() && !mNote.isLocalModified())) {
return false; return false;
@ -225,10 +226,14 @@ public class WorkingNote {
} }
} }
// 设置mNoteSettingStatusListener
public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) { public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) {
mNoteSettingStatusListener = 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) { public void setAlertDate(long date, boolean set) {
if (date != mAlertDate) { if (date != mAlertDate) {
mAlertDate = date; mAlertDate = date;
@ -239,16 +244,20 @@ public class WorkingNote {
} }
} }
// 设定删除标记
public void markDeleted(boolean mark) { public void markDeleted(boolean mark) {
// 设定标记
mIsDeleted = mark; mIsDeleted = mark;
if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID
&& mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) { && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) {
mNoteSettingStatusListener.onWidgetChanged(); mNoteSettingStatusListener.onWidgetChanged();
// 调用mNoteSettingStatusListener的 onWidgetChanged方法
} }
} }
// 设定背景颜色
public void setBgColorId(int id) { public void setBgColorId(int id) {
if (id != mBgColorId) { if (id != mBgColorId) { //设定条件 id != mBgColorId
mBgColorId = id; mBgColorId = id;
if (mNoteSettingStatusListener != null) { if (mNoteSettingStatusListener != null) {
mNoteSettingStatusListener.onBackgroundColorChanged(); mNoteSettingStatusListener.onBackgroundColorChanged();
@ -257,8 +266,10 @@ public class WorkingNote {
} }
} }
// 设定检查列表模式
// 参数mode
public void setCheckListMode(int mode) { public void setCheckListMode(int mode) {
if (mMode != mode) { if (mMode != mode) { //设定条件 mMode != mode
if (mNoteSettingStatusListener != null) { if (mNoteSettingStatusListener != null) {
mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode); mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode);
} }
@ -267,81 +278,108 @@ public class WorkingNote {
} }
} }
// 设定WidgetType
// 参数type
public void setWidgetType(int type) { public void setWidgetType(int type) {
if (type != mWidgetType) { if (type != mWidgetType) {//设定条件 type != mWidgetType
mWidgetType = type; mWidgetType = type;
mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType)); 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) { public void setWidgetId(int id) {
if (id != mWidgetId) { if (id != mWidgetId) {//设定条件 id != mWidgetId
mWidgetId = id; mWidgetId = id;
mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId)); 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) { public void setWorkingText(String text) {
if (!TextUtils.equals(mContent, text)) { if (!TextUtils.equals(mContent, text)) {//设定条件 mContent, text内容不同
mContent = text; mContent = text;
mNote.setTextData(DataColumns.CONTENT, mContent); 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) { public void convertToCallNote(String phoneNumber, long callDate) {
mNote.setCallData(CallNote.CALL_DATE, String.valueOf(callDate)); mNote.setCallData(CallNote.CALL_DATE, String.valueOf(callDate));
mNote.setCallData(CallNote.PHONE_NUMBER, phoneNumber); mNote.setCallData(CallNote.PHONE_NUMBER, phoneNumber);
mNote.setNoteValue(NoteColumns.PARENT_ID, String.valueOf(Notes.ID_CALL_RECORD_FOLDER)); mNote.setNoteValue(NoteColumns.PARENT_ID, String.valueOf(Notes.ID_CALL_RECORD_FOLDER));
} }
// 判断是否有时钟题型
public boolean hasClockAlert() { public boolean hasClockAlert() {
return (mAlertDate > 0 ? true : false); return (mAlertDate > 0 ? true : false);
} }
// 获取Content
public String getContent() { public String getContent() {
return mContent; return mContent;
} }
// 获取AlertDate
public long getAlertDate() { public long getAlertDate() {
return mAlertDate; return mAlertDate;
} }
// 获取ModifiedDate
public long getModifiedDate() { public long getModifiedDate() {
return mModifiedDate; return mModifiedDate;
} }
// 获取背景颜色来源id
public int getBgColorResId() { public int getBgColorResId() {
return NoteBgResources.getNoteBgResource(mBgColorId); return NoteBgResources.getNoteBgResource(mBgColorId);
} }
// 获取背景颜色id
public int getBgColorId() { public int getBgColorId() {
return mBgColorId; return mBgColorId;
} }
// 获取标题背景颜色id
public int getTitleBgResId() { public int getTitleBgResId() {
return NoteBgResources.getNoteTitleBgResource(mBgColorId); return NoteBgResources.getNoteTitleBgResource(mBgColorId);
} }
// 获取CheckListMode
public int getCheckListMode() { public int getCheckListMode() {
return mMode; return mMode;
} }
// 获取便签id
public long getNoteId() { public long getNoteId() {
return mNoteId; return mNoteId;
} }
// 获取文件夹id
public long getFolderId() { public long getFolderId() {
return mFolderId; return mFolderId;
} }
// 获取WidgetId
public int getWidgetId() { public int getWidgetId() {
return mWidgetId; return mWidgetId;
} }
// 获取WidgetType
public int getWidgetType() { public int getWidgetType() {
return mWidgetType; 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 { public interface NoteSettingChangedListener {
/** /**
* Called when the background color of current note has just changed * Called when the background color of current note has just changed

@ -36,13 +36,19 @@ import java.io.IOException;
import java.io.PrintStream; import java.io.PrintStream;
public class BackupUtils { public class BackupUtils {
private static final String TAG = "BackupUtils"; private static final String TAG = "BackupUtils";
// Singleton stuff // Singleton stuff
private static BackupUtils sInstance; 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) { 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) { if (sInstance == null) {
//如果当前备份不存在,则新声明一个
sInstance = new BackupUtils(context); sInstance = new BackupUtils(context);
} }
return sInstance; return sInstance;
@ -52,24 +58,24 @@ public class BackupUtils {
* Following states are signs to represents backup or restore * Following states are signs to represents backup or restore
* status * status
*/ */
// Currently, the sdcard is not mounted // Currently, the sdcard is not mounted SD卡没有被装入手机
public static final int STATE_SD_CARD_UNMOUONTED = 0; public static final int STATE_SD_CARD_UNMOUONTED = 0;
// The backup file not exist // The backup file not exist 备份文件夹不存在
public static final int STATE_BACKUP_FILE_NOT_EXIST = 1; public static final int STATE_BACKUP_FILE_NOT_EXIST = 1;
// The data is not well formated, may be changed by other programs // 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; public static final int STATE_DATA_DESTROIED = 2;
// Some run-time exception which causes restore or backup fails // Some run-time exception which causes restore or backup fails 超时异常
public static final int STATE_SYSTEM_ERROR = 3; public static final int STATE_SYSTEM_ERROR = 3;
// Backup or restore success // Backup or restore success 成功存储
public static final int STATE_SUCCESS = 4; public static final int STATE_SUCCESS = 4;
private TextExport mTextExport; private TextExport mTextExport;
private BackupUtils(Context context) { private BackupUtils(Context context) { //初始化函数
mTextExport = new TextExport(context); mTextExport = new TextExport(context);
} }
private static boolean externalStorageAvailable() { private static boolean externalStorageAvailable() { //外部存储功能是否可用
return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState()); return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
} }
@ -128,11 +134,11 @@ public class BackupUtils {
public TextExport(Context context) { public TextExport(Context context) {
TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note); TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note);
mContext = context; mContext = context;
mFileName = ""; mFileName = ""; //为什么为空?
mFileDirectory = ""; mFileDirectory = "";
} }
private String getFormat(int id) { private String getFormat(int id) { //获取文本的组成部分
return TEXT_FORMAT[id]; return TEXT_FORMAT[id];
} }
@ -140,22 +146,22 @@ public class BackupUtils {
* Export the folder identified by folder id to text * Export the folder identified by folder id to text
*/ */
private void exportFolderToText(String folderId, PrintStream ps) { private void exportFolderToText(String folderId, PrintStream ps) {
// Query notes belong to this folder // 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, Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] { NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] {
folderId folderId
}, null); }, null);
if (notesCursor != null) { if (notesCursor != null) {
if (notesCursor.moveToFirst()) { if (notesCursor.moveToFirst()) {
do { do {
// Print note's last modified date // 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( ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format(
mContext.getString(R.string.format_datetime_mdhm), mContext.getString(R.string.format_datetime_mdhm),
notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)))); notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE))));
// Query data belong to this note // Query data belong to this note
String noteId = notesCursor.getString(NOTE_COLUMN_ID); String noteId = notesCursor.getString(NOTE_COLUMN_ID);
exportNoteToText(noteId, ps); exportNoteToText(noteId, ps); //将文件导出到text
} while (notesCursor.moveToNext()); } while (notesCursor.moveToNext());
} }
notesCursor.close(); notesCursor.close();
@ -168,10 +174,10 @@ public class BackupUtils {
private void exportNoteToText(String noteId, PrintStream ps) { private void exportNoteToText(String noteId, PrintStream ps) {
Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI,
DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] { DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] {
noteId noteId
}, null); }, null);
if (dataCursor != 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()) { if (dataCursor.moveToFirst()) {
do { do {
String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE); String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE);
@ -181,7 +187,7 @@ public class BackupUtils {
long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE); long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE);
String location = dataCursor.getString(DATA_COLUMN_CONTENT); String location = dataCursor.getString(DATA_COLUMN_CONTENT);
if (!TextUtils.isEmpty(phoneNumber)) { if (!TextUtils.isEmpty(phoneNumber)) { //判断是否为空字符
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
phoneNumber)); phoneNumber));
} }
@ -218,7 +224,7 @@ public class BackupUtils {
/** /**
* Note will be exported as text which is user readable * Note will be exported as text which is user readable
*/ */
public int exportToText() { public int exportToText() { //总函数调用上面的exportFolder和exportNote
if (!externalStorageAvailable()) { if (!externalStorageAvailable()) {
Log.d(TAG, "Media was not mounted"); Log.d(TAG, "Media was not mounted");
return STATE_SD_CARD_UNMOUONTED; return STATE_SD_CARD_UNMOUONTED;
@ -229,7 +235,7 @@ public class BackupUtils {
Log.e(TAG, "get print stream error"); Log.e(TAG, "get print stream error");
return STATE_SYSTEM_ERROR; return STATE_SYSTEM_ERROR;
} }
// First export folder and its notes // 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( Cursor folderCursor = mContext.getContentResolver().query(
Notes.CONTENT_NOTE_URI, Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION, NOTE_PROJECTION,
@ -257,7 +263,7 @@ public class BackupUtils {
folderCursor.close(); folderCursor.close();
} }
// Export notes in root's folder // 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( Cursor noteCursor = mContext.getContentResolver().query(
Notes.CONTENT_NOTE_URI, Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION, NOTE_PROJECTION,
@ -297,7 +303,7 @@ public class BackupUtils {
PrintStream ps = null; PrintStream ps = null;
try { try {
FileOutputStream fos = new FileOutputStream(file); FileOutputStream fos = new FileOutputStream(file);
ps = new PrintStream(fos); 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) { } catch (FileNotFoundException e) {
e.printStackTrace(); e.printStackTrace();
return null; return null;
@ -314,16 +320,16 @@ public class BackupUtils {
*/ */
private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) { private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) {
StringBuilder sb = new StringBuilder(); StringBuilder sb = new StringBuilder();
sb.append(Environment.getExternalStorageDirectory()); sb.append(Environment.getExternalStorageDirectory()); //外部SD卡的存储路径
sb.append(context.getString(filePathResId)); sb.append(context.getString(filePathResId)); //文件的存储路径
File filedir = new File(sb.toString()); File filedir = new File(sb.toString()); //filedir应该就是用来存储路径信息
sb.append(context.getString( sb.append(context.getString(
fileNameFormatResId, fileNameFormatResId,
DateFormat.format(context.getString(R.string.format_date_ymd), DateFormat.format(context.getString(R.string.format_date_ymd),
System.currentTimeMillis()))); System.currentTimeMillis())));
File file = new File(sb.toString()); File file = new File(sb.toString());
try { try { //如果这些文件不存在,则新建
if (!filedir.exists()) { if (!filedir.exists()) {
filedir.mkdir(); filedir.mkdir();
} }
@ -336,7 +342,7 @@ public class BackupUtils {
} catch (IOException e) { } catch (IOException e) {
e.printStackTrace(); e.printStackTrace();
} }
// try catch 异常处理
return null; return null;
} }
} }

@ -35,9 +35,10 @@ import java.util.ArrayList;
import java.util.HashSet; import java.util.HashSet;
public class DataUtils { public class DataUtils {
public static final String TAG = "DataUtils"; public static final String TAG = "DataUtils";
public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) { public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) { //直接删除多个笔记
if (ids == null) { if (ids == null) {
Log.d(TAG, "the ids is null"); Log.d(TAG, "the ids is null");
return true; return true;
@ -47,18 +48,19 @@ public class DataUtils {
return true; return true;
} }
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>(); ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>(); //提供一个任务列表
for (long id : ids) { for (long id : ids) {
if(id == Notes.ID_ROOT_FOLDER) { if(id == Notes.ID_ROOT_FOLDER) {
Log.e(TAG, "Don't delete system folder root"); Log.e(TAG, "Don't delete system folder root");
continue; continue;
} } //如果发现是根文件夹,则不删除
ContentProviderOperation.Builder builder = ContentProviderOperation ContentProviderOperation.Builder builder = ContentProviderOperation
.newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); //用newDelete实现删除功能
operationList.add(builder.build()); operationList.add(builder.build()); //
} }
try { try {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); 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) { if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString()); Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false; return false;
@ -77,11 +79,11 @@ public class DataUtils {
values.put(NoteColumns.PARENT_ID, desFolderId); values.put(NoteColumns.PARENT_ID, desFolderId);
values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId); values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId);
values.put(NoteColumns.LOCAL_MODIFIED, 1); values.put(NoteColumns.LOCAL_MODIFIED, 1);
resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null); 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<Long> ids, public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids,
long folderId) { long folderId) {
if (ids == null) { if (ids == null) {
Log.d(TAG, "the ids is null"); Log.d(TAG, "the ids is null");
return true; return true;
@ -90,14 +92,14 @@ public class DataUtils {
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>(); ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
for (long id : ids) { for (long id : ids) {
ContentProviderOperation.Builder builder = ContentProviderOperation ContentProviderOperation.Builder builder = ContentProviderOperation
.newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); .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.PARENT_ID, folderId);
builder.withValue(NoteColumns.LOCAL_MODIFIED, 1); builder.withValue(NoteColumns.LOCAL_MODIFIED, 1);
operationList.add(builder.build()); 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 { try {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); 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) { if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString()); Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false; return false;
@ -119,7 +121,7 @@ public class DataUtils {
new String[] { "COUNT(*)" }, new String[] { "COUNT(*)" },
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?", NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)}, new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
null); null); //筛选条件源文件不为trash folder
int count = 0; int count = 0;
if(cursor != null) { if(cursor != null) {
@ -137,15 +139,15 @@ public class DataUtils {
} }
public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) { public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), //通过withAppendedId方法为该Uri加上ID
null, null,
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER, NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
new String [] {String.valueOf(type)}, new String [] {String.valueOf(type)},
null); null); //查询条件type符合且不属于垃圾文件夹
boolean exist = false; boolean exist = false;
if (cursor != null) { if (cursor != null) {
if (cursor.getCount() > 0) { if (cursor.getCount() > 0) {//用getcount函数判断cursor是否为空
exist = true; exist = true;
} }
cursor.close(); cursor.close();
@ -184,9 +186,10 @@ public class DataUtils {
public static boolean checkVisibleFolderName(ContentResolver resolver, String name) { public static boolean checkVisibleFolderName(ContentResolver resolver, String name) {
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null, Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,
NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER +
" AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER +
" AND " + NoteColumns.SNIPPET + "=?", " AND " + NoteColumns.SNIPPET + "=?",
new String[] { name }, null); new String[] { name }, null);
//通过名字查询文件是否存在
boolean exist = false; boolean exist = false;
if(cursor != null) { if(cursor != null) {
if(cursor.getCount() > 0) { if(cursor.getCount() > 0) {
@ -202,7 +205,7 @@ public class DataUtils {
new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE }, new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE },
NoteColumns.PARENT_ID + "=?", NoteColumns.PARENT_ID + "=?",
new String[] { String.valueOf(folderId) }, new String[] { String.valueOf(folderId) },
null); null); //查询条件父ID是传入的folderId;
HashSet<AppWidgetAttribute> set = null; HashSet<AppWidgetAttribute> set = null;
if (c != null) { if (c != null) {
@ -211,13 +214,13 @@ public class DataUtils {
do { do {
try { try {
AppWidgetAttribute widget = new AppWidgetAttribute(); AppWidgetAttribute widget = new AppWidgetAttribute();
widget.widgetId = c.getInt(0); widget.widgetId = c.getInt(0); //0对应的NoteColumns.WIDGET_ID
widget.widgetType = c.getInt(1); widget.widgetType = c.getInt(1); //1对应的NoteColumns.WIDGET_TYPE
set.add(widget); set.add(widget);
} catch (IndexOutOfBoundsException e) { } catch (IndexOutOfBoundsException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
} }
} while (c.moveToNext()); } while (c.moveToNext()); //查询下一条
} }
c.close(); c.close();
} }
@ -247,14 +250,15 @@ public class DataUtils {
Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI, Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
new String [] { CallNote.NOTE_ID }, new String [] { CallNote.NOTE_ID },
CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL(" CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL("
+ CallNote.PHONE_NUMBER + ",?)", + CallNote.PHONE_NUMBER + ",?)",
new String [] { String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber }, new String [] { String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber },
null); 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 != null) {
if (cursor.moveToFirst()) { if (cursor.moveToFirst()) {
try { try {
return cursor.getLong(0); return cursor.getLong(0); //0对应的CallNote.NOTE_ID
} catch (IndexOutOfBoundsException e) { } catch (IndexOutOfBoundsException e) {
Log.e(TAG, "Get call note id fails " + e.toString()); Log.e(TAG, "Get call note id fails " + e.toString());
} }
@ -269,7 +273,7 @@ public class DataUtils {
new String [] { NoteColumns.SNIPPET }, new String [] { NoteColumns.SNIPPET },
NoteColumns.ID + "=?", NoteColumns.ID + "=?",
new String [] { String.valueOf(noteId)}, new String [] { String.valueOf(noteId)},
null); null);//查询条件noteId
if (cursor != null) { if (cursor != null) {
String snippet = ""; String snippet = "";
@ -281,8 +285,7 @@ public class DataUtils {
} }
throw new IllegalArgumentException("Note is not found with id: " + noteId); 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
public static String getFormattedSnippet(String snippet) {
if (snippet != null) { if (snippet != null) {
snippet = snippet.trim(); snippet = snippet.trim();
int index = snippet.indexOf('\n'); int index = snippet.indexOf('\n');
@ -292,4 +295,5 @@ public class DataUtils {
} }
return snippet; return snippet;
} }
} }

@ -16,6 +16,9 @@
package net.micode.notes.tool; package net.micode.notes.tool;
//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
//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 class GTaskStringUtils {
public final static String GTASK_JSON_ACTION_ID = "action_id"; public final static String GTASK_JSON_ACTION_ID = "action_id";

@ -22,6 +22,22 @@ import android.preference.PreferenceManager;
import net.micode.notes.R; import net.micode.notes.R;
import net.micode.notes.ui.NotesPreferenceActivity; import net.micode.notes.ui.NotesPreferenceActivity;
/*使
* R.java
* R.id
* R.drawable 使
* R.layout
* R.menu
* R.String
* R.style 使
* idgetXXX
*
*
* @BG_DEFAULT_COLOR
* BG_DEFAULT_FONT_SIZE
*/
public class ResourceParser { public class ResourceParser {
public static final int YELLOW = 0; public static final int YELLOW = 0;
@ -41,19 +57,19 @@ public class ResourceParser {
public static class NoteBgResources { public static class NoteBgResources {
private final static int [] BG_EDIT_RESOURCES = new int [] { private final static int [] BG_EDIT_RESOURCES = new int [] {
R.drawable.edit_yellow, R.drawable.edit_yellow,
R.drawable.edit_blue, R.drawable.edit_blue,
R.drawable.edit_white, R.drawable.edit_white,
R.drawable.edit_green, R.drawable.edit_green,
R.drawable.edit_red R.drawable.edit_red
}; };
private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] { private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] {
R.drawable.edit_title_yellow, R.drawable.edit_title_yellow,
R.drawable.edit_title_blue, R.drawable.edit_title_blue,
R.drawable.edit_title_white, R.drawable.edit_title_white,
R.drawable.edit_title_green, R.drawable.edit_title_green,
R.drawable.edit_title_red R.drawable.edit_title_red
}; };
public static int getNoteBgResource(int id) { public static int getNoteBgResource(int id) {
@ -64,7 +80,7 @@ public class ResourceParser {
return BG_EDIT_TITLE_RESOURCES[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) { public static int getDefaultBgId(Context context) {
if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean( if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) { NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
@ -76,35 +92,35 @@ public class ResourceParser {
public static class NoteItemBgResources { public static class NoteItemBgResources {
private final static int [] BG_FIRST_RESOURCES = new int [] { private final static int [] BG_FIRST_RESOURCES = new int [] {
R.drawable.list_yellow_up, R.drawable.list_yellow_up,
R.drawable.list_blue_up, R.drawable.list_blue_up,
R.drawable.list_white_up, R.drawable.list_white_up,
R.drawable.list_green_up, R.drawable.list_green_up,
R.drawable.list_red_up R.drawable.list_red_up
}; };
private final static int [] BG_NORMAL_RESOURCES = new int [] { private final static int [] BG_NORMAL_RESOURCES = new int [] {
R.drawable.list_yellow_middle, R.drawable.list_yellow_middle,
R.drawable.list_blue_middle, R.drawable.list_blue_middle,
R.drawable.list_white_middle, R.drawable.list_white_middle,
R.drawable.list_green_middle, R.drawable.list_green_middle,
R.drawable.list_red_middle R.drawable.list_red_middle
}; };
private final static int [] BG_LAST_RESOURCES = new int [] { private final static int [] BG_LAST_RESOURCES = new int [] {
R.drawable.list_yellow_down, R.drawable.list_yellow_down,
R.drawable.list_blue_down, R.drawable.list_blue_down,
R.drawable.list_white_down, R.drawable.list_white_down,
R.drawable.list_green_down, R.drawable.list_green_down,
R.drawable.list_red_down, R.drawable.list_red_down,
}; };
private final static int [] BG_SINGLE_RESOURCES = new int [] { private final static int [] BG_SINGLE_RESOURCES = new int [] {
R.drawable.list_yellow_single, R.drawable.list_yellow_single,
R.drawable.list_blue_single, R.drawable.list_blue_single,
R.drawable.list_white_single, R.drawable.list_white_single,
R.drawable.list_green_single, R.drawable.list_green_single,
R.drawable.list_red_single R.drawable.list_red_single
}; };
public static int getNoteBgFirstRes(int id) { public static int getNoteBgFirstRes(int id) {
@ -130,11 +146,11 @@ public class ResourceParser {
public static class WidgetBgResources { public static class WidgetBgResources {
private final static int [] BG_2X_RESOURCES = new int [] { private final static int [] BG_2X_RESOURCES = new int [] {
R.drawable.widget_2x_yellow, R.drawable.widget_2x_yellow,
R.drawable.widget_2x_blue, R.drawable.widget_2x_blue,
R.drawable.widget_2x_white, R.drawable.widget_2x_white,
R.drawable.widget_2x_green, R.drawable.widget_2x_green,
R.drawable.widget_2x_red, R.drawable.widget_2x_red,
}; };
public static int getWidget2xBgResource(int id) { public static int getWidget2xBgResource(int id) {
@ -142,11 +158,11 @@ public class ResourceParser {
} }
private final static int [] BG_4X_RESOURCES = new int [] { private final static int [] BG_4X_RESOURCES = new int [] {
R.drawable.widget_4x_yellow, R.drawable.widget_4x_yellow,
R.drawable.widget_4x_blue, R.drawable.widget_4x_blue,
R.drawable.widget_4x_white, R.drawable.widget_4x_white,
R.drawable.widget_4x_green, R.drawable.widget_4x_green,
R.drawable.widget_4x_red R.drawable.widget_4x_red
}; };
public static int getWidget4xBgResource(int id) { public static int getWidget4xBgResource(int id) {
@ -156,12 +172,13 @@ public class ResourceParser {
public static class TextAppearanceResources { public static class TextAppearanceResources {
private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] { private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] {
R.style.TextAppearanceNormal, R.style.TextAppearanceNormal,
R.style.TextAppearanceMedium, R.style.TextAppearanceMedium,
R.style.TextAppearanceLarge, R.style.TextAppearanceLarge,
R.style.TextAppearanceSuper 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) { public static int getTexAppearanceResource(int id) {
/** /**
* HACKME: Fix bug of store the resource id in shared preference. * HACKME: Fix bug of store the resource id in shared preference.

@ -1,19 +1,3 @@
/*
* 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; package net.micode.notes.ui;
import android.app.Activity; import android.app.Activity;
@ -39,58 +23,81 @@ import net.micode.notes.tool.DataUtils;
import java.io.IOException; import java.io.IOException;
public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener { public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
private long mNoteId; private long mNoteId; //文本在数据库存储中的ID号
private String mSnippet; private String mSnippet; //闹钟提示时出现的文本片段
private static final int SNIPPET_PREW_MAX_LEN = 60; private static final int SNIPPET_PREW_MAX_LEN = 60;
MediaPlayer mPlayer; MediaPlayer mPlayer;
@Override @Override
protected void onCreate(Bundle savedInstanceState) { protected void onCreate(Bundle savedInstanceState) {
super.onCreate(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); requestWindowFeature(Window.FEATURE_NO_TITLE);
//界面显示——无标题
final Window win = getWindow(); final Window win = getWindow();
win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
if (!isScreenOn()) { if (!isScreenOn()) {
win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
//保持窗体点亮
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
//将窗体点亮
| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
//允许窗体点亮时锁屏
| WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR); | 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(); Intent intent = getIntent();
try { try {
mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId); 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, mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info) SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
: mSnippet; : mSnippet;
//判断标签片段是否达到符合长度
} catch (IllegalArgumentException e) { } catch (IllegalArgumentException e) {
e.printStackTrace(); e.printStackTrace();
return; return;
} }
/*
try
{
// 代码区
}
catch(Exception e)
{
// 异常处理
}
*/
mPlayer = new MediaPlayer(); mPlayer = new MediaPlayer();
if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) { if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
showActionDialog(); showActionDialog();
//弹出对话框
playAlarmSound(); playAlarmSound();
//闹钟提示音激发
} else { } else {
finish(); finish();
//完成闹钟动作
} }
} }
private boolean isScreenOn() { 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); PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
return pm.isScreenOn(); return pm.isScreenOn();
} }
private void playAlarmSound() { private void playAlarmSound() {
//闹钟提示音激发
Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM); 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(), int silentModeStreams = Settings.System.getInt(getContentResolver(),
Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0); Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
@ -101,12 +108,19 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
} }
try { try {
mPlayer.setDataSource(this, url); 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(); mPlayer.prepare();
//准备同步
mPlayer.setLooping(true); mPlayer.setLooping(true);
//设置是否循环播放
mPlayer.start(); mPlayer.start();
//开始播放
} catch (IllegalArgumentException e) { } catch (IllegalArgumentException e) {
// TODO Auto-generated catch block // TODO Auto-generated catch block
e.printStackTrace(); 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) { } catch (SecurityException e) {
// TODO Auto-generated catch block // TODO Auto-generated catch block
e.printStackTrace(); e.printStackTrace();
@ -121,37 +135,57 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
private void showActionDialog() { private void showActionDialog() {
AlertDialog.Builder dialog = new AlertDialog.Builder(this); 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); dialog.setTitle(R.string.app_name);
//为对话框设置标题
dialog.setMessage(mSnippet); dialog.setMessage(mSnippet);
//为对话框设置内容
dialog.setPositiveButton(R.string.notealert_ok, this); dialog.setPositiveButton(R.string.notealert_ok, this);
//给对话框添加"Yes"按钮
if (isScreenOn()) { if (isScreenOn()) {
dialog.setNegativeButton(R.string.notealert_enter, this); dialog.setNegativeButton(R.string.notealert_enter, this);
} }//对话框添加"No"按钮
dialog.show().setOnDismissListener(this); dialog.show().setOnDismissListener(this);
} }
public void onClick(DialogInterface dialog, int which) { public void onClick(DialogInterface dialog, int which) {
switch (which) { switch (which) {
//用which来选择click后下一步的操作
case DialogInterface.BUTTON_NEGATIVE: case DialogInterface.BUTTON_NEGATIVE:
//这是取消操作
Intent intent = new Intent(this, NoteEditActivity.class); Intent intent = new Intent(this, NoteEditActivity.class);
//实现两个类间的数据传输
intent.setAction(Intent.ACTION_VIEW); intent.setAction(Intent.ACTION_VIEW);
//设置动作属性
intent.putExtra(Intent.EXTRA_UID, mNoteId); intent.putExtra(Intent.EXTRA_UID, mNoteId);
//实现key-value对
//EXTRA_UID为keymNoteId为键
startActivity(intent); startActivity(intent);
//开始动作
break; break;
default: default:
//这是确定操作
break; break;
} }
} }
public void onDismiss(DialogInterface dialog) { public void onDismiss(DialogInterface dialog) {
//忽略
stopAlarmSound(); stopAlarmSound();
//停止闹钟声音
finish(); finish();
//完成该动作
} }
private void stopAlarmSound() { private void stopAlarmSound() {
if (mPlayer != null) { if (mPlayer != null) {
mPlayer.stop(); mPlayer.stop();
//停止播放
mPlayer.release(); mPlayer.release();
//释放MediaPlayer对象
mPlayer = null; mPlayer = null;
} }
} }

@ -1,19 +1,3 @@
/*
* 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; package net.micode.notes.ui;
import android.app.AlarmManager; import android.app.AlarmManager;
@ -31,21 +15,25 @@ import net.micode.notes.data.Notes.NoteColumns;
public class AlarmInitReceiver extends BroadcastReceiver { public class AlarmInitReceiver extends BroadcastReceiver {
private static final String [] PROJECTION = new String [] { private static final String [] PROJECTION = new String [] {
NoteColumns.ID, NoteColumns.ID,
NoteColumns.ALERTED_DATE 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_ID = 0;
private static final int COLUMN_ALERTED_DATE = 1; private static final int COLUMN_ALERTED_DATE = 1;
@Override @Override
public void onReceive(Context context, Intent intent) { public void onReceive(Context context, Intent intent) {
long currentDate = System.currentTimeMillis(); 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, Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
PROJECTION, PROJECTION,
NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE, NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
new String[] { String.valueOf(currentDate) }, new String[] { String.valueOf(currentDate) },
//将long变量currentDate转化为字符串
null); 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 != null) {
if (c.moveToFirst()) { if (c.moveToFirst()) {
@ -61,5 +49,8 @@ public class AlarmInitReceiver extends BroadcastReceiver {
} }
c.close(); 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
} }
} }

@ -1,19 +1,3 @@
/*
* 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; package net.micode.notes.ui;
import android.content.BroadcastReceiver; import android.content.BroadcastReceiver;
@ -24,7 +8,13 @@ public class AlarmReceiver extends BroadcastReceiver {
@Override @Override
public void onReceive(Context context, Intent intent) { public void onReceive(Context context, Intent intent) {
intent.setClass(context, AlarmAlertActivity.class); intent.setClass(context, AlarmAlertActivity.class);
//启动AlarmAlertActivity
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 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); 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

@ -1,19 +1,3 @@
/*
* 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; package net.micode.notes.ui;
import java.text.DateFormatSymbols; import java.text.DateFormatSymbols;
@ -29,7 +13,8 @@ import android.widget.FrameLayout;
import android.widget.NumberPicker; import android.widget.NumberPicker;
public class DateTimePicker extends FrameLayout { public class DateTimePicker extends FrameLayout {
//FrameLayout是布局模板之一
//所有的子元素全部在屏幕的右上方
private static final boolean DEFAULT_ENABLE_STATE = true; private static final boolean DEFAULT_ENABLE_STATE = true;
private static final int HOURS_IN_HALF_DAY = 12; private static final int HOURS_IN_HALF_DAY = 12;
@ -45,13 +30,15 @@ public class DateTimePicker extends FrameLayout {
private static final int MINUT_SPINNER_MAX_VAL = 59; private static final int MINUT_SPINNER_MAX_VAL = 59;
private static final int AMPM_SPINNER_MIN_VAL = 0; private static final int AMPM_SPINNER_MIN_VAL = 0;
private static final int AMPM_SPINNER_MAX_VAL = 1; private static final int AMPM_SPINNER_MAX_VAL = 1;
//初始化控件
private final NumberPicker mDateSpinner; private final NumberPicker mDateSpinner;
private final NumberPicker mHourSpinner; private final NumberPicker mHourSpinner;
private final NumberPicker mMinuteSpinner; private final NumberPicker mMinuteSpinner;
private final NumberPicker mAmPmSpinner; 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; 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 String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
private boolean mIsAm; private boolean mIsAm;
@ -71,41 +58,49 @@ public class DateTimePicker extends FrameLayout {
updateDateControl(); updateDateControl();
onDateTimeChanged(); 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mDateupdateDateControl是同步操作
private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() { private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
//这里是对 小时Hour 的监听
@Override @Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) { public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
boolean isDateChanged = false; boolean isDateChanged = false;
Calendar cal = Calendar.getInstance(); Calendar cal = Calendar.getInstance();
//声明一个Calendar的变量cal便于后续的操作
if (!mIs24HourView) { if (!mIs24HourView) {
if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) { if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) {
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1); cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true; 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) { } else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1); cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true; 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 || if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY ||
oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) { oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
mIsAm = !mIsAm; mIsAm = !mIsAm;
updateAmPmControl(); 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 { } else {
if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) { if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1); cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true; 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) { } else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1); cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true; 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); 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); mDate.set(Calendar.HOUR_OF_DAY, newHour);
//通过set函数将新的Hour值传给mDate
onDateTimeChanged(); onDateTimeChanged();
if (isDateChanged) { if (isDateChanged) {
setCurrentYear(cal.get(Calendar.YEAR)); setCurrentYear(cal.get(Calendar.YEAR));
@ -117,15 +112,19 @@ public class DateTimePicker extends FrameLayout {
private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() { private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
@Override @Override
//这里是对 分钟Minute改变的监听
public void onValueChange(NumberPicker picker, int oldVal, int newVal) { public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
int minValue = mMinuteSpinner.getMinValue(); int minValue = mMinuteSpinner.getMinValue();
int maxValue = mMinuteSpinner.getMaxValue(); int maxValue = mMinuteSpinner.getMaxValue();
int offset = 0; int offset = 0;
//设置offset作为小时改变的一个记录数据
if (oldVal == maxValue && newVal == minValue) { if (oldVal == maxValue && newVal == minValue) {
offset += 1; offset += 1;
} else if (oldVal == minValue && newVal == maxValue) { } else if (oldVal == minValue && newVal == maxValue) {
offset -= 1; 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) { if (offset != 0) {
mDate.add(Calendar.HOUR_OF_DAY, offset); mDate.add(Calendar.HOUR_OF_DAY, offset);
mHourSpinner.setValue(getCurrentHour()); mHourSpinner.setValue(getCurrentHour());
@ -145,6 +144,7 @@ public class DateTimePicker extends FrameLayout {
}; };
private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() { private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
//对AM和PM的监听
@Override @Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) { public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
mIsAm = !mIsAm; mIsAm = !mIsAm;
@ -160,24 +160,27 @@ public class DateTimePicker extends FrameLayout {
public interface OnDateTimeChangedListener { public interface OnDateTimeChangedListener {
void onDateTimeChanged(DateTimePicker view, int year, int month, void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute); int dayOfMonth, int hourOfDay, int minute);
} }
public DateTimePicker(Context context) { public DateTimePicker(Context context) {
this(context, System.currentTimeMillis()); 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) { public DateTimePicker(Context context, long date) {
this(context, date, DateFormat.is24HourFormat(context)); 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) { public DateTimePicker(Context context, long date, boolean is24HourView) {
super(context); super(context);
//获取系统时间
mDate = Calendar.getInstance(); mDate = Calendar.getInstance();
mInitialising = true; mInitialising = true;
mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY; mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
inflate(context, R.layout.datetime_picker, this); 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 = (NumberPicker) findViewById(R.id.date);
mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL); mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL); mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
@ -185,7 +188,7 @@ public class DateTimePicker extends FrameLayout {
mHourSpinner = (NumberPicker) findViewById(R.id.hour); mHourSpinner = (NumberPicker) findViewById(R.id.hour);
mHourSpinner.setOnValueChangedListener(mOnHourChangedListener); mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);
mMinuteSpinner = (NumberPicker) findViewById(R.id.minute); mMinuteSpinner = (NumberPicker) findViewById(R.id.minute);
mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL); mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);
mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL); mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);
mMinuteSpinner.setOnLongPressUpdateInterval(100); mMinuteSpinner.setOnLongPressUpdateInterval(100);
@ -226,7 +229,9 @@ public class DateTimePicker extends FrameLayout {
mAmPmSpinner.setEnabled(enabled); mAmPmSpinner.setEnabled(enabled);
mIsEnabled = 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 @Override
public boolean isEnabled() { public boolean isEnabled() {
return mIsEnabled; return mIsEnabled;
@ -239,7 +244,7 @@ public class DateTimePicker extends FrameLayout {
*/ */
public long getCurrentDateInTimeMillis() { public long getCurrentDateInTimeMillis() {
return mDate.getTimeInMillis(); return mDate.getTimeInMillis();
} }//实现函数——得到当前的秒数
/** /**
* Set the current date * Set the current date
@ -251,7 +256,7 @@ public class DateTimePicker extends FrameLayout {
cal.setTimeInMillis(date); cal.setTimeInMillis(date);
setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), 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)); 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 * Set the current date
@ -263,19 +268,20 @@ public class DateTimePicker extends FrameLayout {
* @param minute The current minute * @param minute The current minute
*/ */
public void setCurrentDate(int year, int month, public void setCurrentDate(int year, int month,
int dayOfMonth, int hourOfDay, int minute) { int dayOfMonth, int hourOfDay, int minute) {
setCurrentYear(year); setCurrentYear(year);
setCurrentMonth(month); setCurrentMonth(month);
setCurrentDay(dayOfMonth); setCurrentDay(dayOfMonth);
setCurrentHour(hourOfDay); setCurrentHour(hourOfDay);
setCurrentMinute(minute); 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 * Get current year
* *
* @return The current year * @return The current year
*/ */
//下面是得到year、month、day等值
public int getCurrentYear() { public int getCurrentYear() {
return mDate.get(Calendar.YEAR); return mDate.get(Calendar.YEAR);
} }
@ -446,7 +452,7 @@ public class DateTimePicker extends FrameLayout {
mDateSpinner.setDisplayedValues(mDateDisplayValues); mDateSpinner.setDisplayedValues(mDateDisplayValues);
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2); mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
mDateSpinner.invalidate(); mDateSpinner.invalidate();
} }// 对于星期几的算法
private void updateAmPmControl() { private void updateAmPmControl() {
if (mIs24HourView) { if (mIs24HourView) {
@ -455,7 +461,7 @@ public class DateTimePicker extends FrameLayout {
int index = mIsAm ? Calendar.AM : Calendar.PM; int index = mIsAm ? Calendar.AM : Calendar.PM;
mAmPmSpinner.setValue(index); mAmPmSpinner.setValue(index);
mAmPmSpinner.setVisibility(View.VISIBLE); mAmPmSpinner.setVisibility(View.VISIBLE);
} }// 对于上下午操作的算法
} }
private void updateHourControl() { private void updateHourControl() {
@ -465,7 +471,7 @@ public class DateTimePicker extends FrameLayout {
} else { } else {
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW); mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW); mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
} }// 对与小时的算法
} }
/** /**

@ -1,19 +1,3 @@
/*
* 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; package net.micode.notes.ui;
import java.util.Calendar; import java.util.Calendar;
@ -32,35 +16,47 @@ import android.text.format.DateUtils;
public class DateTimePickerDialog extends AlertDialog implements OnClickListener { public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
private Calendar mDate = Calendar.getInstance(); 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 boolean mIs24HourView;
private OnDateTimeSetListener mOnDateTimeSetListener; private OnDateTimeSetListener mOnDateTimeSetListener;
//声明一个时间日期滚动选择控件 mOnDateTimeSetListener
private DateTimePicker mDateTimePicker; 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 { public interface OnDateTimeSetListener {
void OnDateTimeSet(AlertDialog dialog, long date); void OnDateTimeSet(AlertDialog dialog, long date);
} }
public DateTimePickerDialog(Context context, long date) { public DateTimePickerDialog(Context context, long date) {
//对该界面对话框的实例化
super(context); super(context);
//对数据库的操作
mDateTimePicker = new DateTimePicker(context); mDateTimePicker = new DateTimePicker(context);
setView(mDateTimePicker); setView(mDateTimePicker);
//添加一个子视图
mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() { mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
public void onDateTimeChanged(DateTimePicker view, int year, int month, public void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute) { int dayOfMonth, int hourOfDay, int minute) {
mDate.set(Calendar.YEAR, year); mDate.set(Calendar.YEAR, year);
mDate.set(Calendar.MONTH, month); mDate.set(Calendar.MONTH, month);
mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
mDate.set(Calendar.MINUTE, minute); mDate.set(Calendar.MINUTE, minute);
//将视图中的各选项设置为系统当前时间
updateTitle(mDate.getTimeInMillis()); updateTitle(mDate.getTimeInMillis());
} }
}); });
mDate.setTimeInMillis(date); mDate.setTimeInMillis(date);
//得到系统时间
mDate.set(Calendar.SECOND, 0); mDate.set(Calendar.SECOND, 0);
//将秒数设置为0
mDateTimePicker.setCurrentDate(mDate.getTimeInMillis()); mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
setButton(context.getString(R.string.datetime_dialog_ok), this); setButton(context.getString(R.string.datetime_dialog_ok), this);
setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null); setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);
//设置按钮
set24HourView(DateFormat.is24HourFormat(this.getContext())); set24HourView(DateFormat.is24HourFormat(this.getContext()));
//时间标准化打印
updateTitle(mDate.getTimeInMillis()); updateTitle(mDate.getTimeInMillis());
} }
@ -70,21 +66,22 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) { public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
mOnDateTimeSetListener = callBack; mOnDateTimeSetListener = callBack;
} }//将时间日期滚动选择控件实例化
private void updateTitle(long date) { private void updateTitle(long date) {
int flag = int flag =
DateUtils.FORMAT_SHOW_YEAR | DateUtils.FORMAT_SHOW_YEAR |
DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_DATE |
DateUtils.FORMAT_SHOW_TIME; DateUtils.FORMAT_SHOW_TIME;
flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR; flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
setTitle(DateUtils.formatDateTime(this.getContext(), date, flag)); 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) { public void onClick(DialogInterface arg0, int arg1) {
if (mOnDateTimeSetListener != null) { if (mOnDateTimeSetListener != null) {
mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis()); 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
} }

@ -1,19 +1,3 @@
/*
* 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; package net.micode.notes.ui;
import android.content.Context; import android.content.Context;
@ -30,14 +14,18 @@ import net.micode.notes.R;
public class DropdownMenu { public class DropdownMenu {
private Button mButton; private Button mButton;
private PopupMenu mPopupMenu; private PopupMenu mPopupMenu;
//声明一个下拉菜单
private Menu mMenu; private Menu mMenu;
public DropdownMenu(Context context, Button button, int menuId) { public DropdownMenu(Context context, Button button, int menuId) {
mButton = button; mButton = button;
mButton.setBackgroundResource(R.drawable.dropdown_icon); mButton.setBackgroundResource(R.drawable.dropdown_icon);
//设置这个view的背景
mPopupMenu = new PopupMenu(context, mButton); mPopupMenu = new PopupMenu(context, mButton);
mMenu = mPopupMenu.getMenu(); mMenu = mPopupMenu.getMenu();
mPopupMenu.getMenuInflater().inflate(menuId, mMenu); 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() { mButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) { public void onClick(View v) {
mPopupMenu.show(); mPopupMenu.show();
@ -48,14 +36,14 @@ public class DropdownMenu {
public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) { public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
if (mPopupMenu != null) { if (mPopupMenu != null) {
mPopupMenu.setOnMenuItemClickListener(listener); mPopupMenu.setOnMenuItemClickListener(listener);
} }//设置菜单的监听
} }
public MenuItem findItem(int id) { public MenuItem findItem(int id) {
return mMenu.findItem(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) { public void setTitle(CharSequence title) {
mButton.setText(title); mButton.setText(title);
} }//布局文件,设置标题
} }

@ -1,19 +1,3 @@
/*
* 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; package net.micode.notes.ui;
import android.content.Context; import android.content.Context;
@ -30,10 +14,14 @@ import net.micode.notes.data.Notes.NoteColumns;
public class FoldersListAdapter extends CursorAdapter { 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 = { public static final String [] PROJECTION = {
NoteColumns.ID, NoteColumns.ID,
NoteColumns.SNIPPET 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 ID_COLUMN = 0;
public static final int NAME_COLUMN = 1; public static final int NAME_COLUMN = 1;
@ -41,12 +29,13 @@ public class FoldersListAdapter extends CursorAdapter {
public FoldersListAdapter(Context context, Cursor c) { public FoldersListAdapter(Context context, Cursor c) {
super(context, c); super(context, c);
// TODO Auto-generated constructor stub // TODO Auto-generated constructor stub
} }//数据库操作
@Override @Override
public View newView(Context context, Cursor cursor, ViewGroup parent) { public View newView(Context context, Cursor cursor, ViewGroup parent) {
//ViewGroup是容器
return new FolderListItem(context); 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 @Override
public void bindView(View view, Context context, Cursor cursor) { public void bindView(View view, Context context, Cursor cursor) {
@ -55,20 +44,22 @@ public class FoldersListAdapter extends CursorAdapter {
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN); .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
((FolderListItem) view).bind(folderName); ((FolderListItem) view).bind(folderName);
} }
} }//将各个布局文件绑定起来
public String getFolderName(Context context, int position) { public String getFolderName(Context context, int position) {
Cursor cursor = (Cursor) getItem(position); Cursor cursor = (Cursor) getItem(position);
return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN); .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 class FolderListItem extends LinearLayout {
private TextView mName; private TextView mName;
public FolderListItem(Context context) { public FolderListItem(Context context) {
super(context); super(context);
//操作数据库
inflate(context, R.layout.folder_list_item, this); 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); mName = (TextView) findViewById(R.id.tv_folder_name);
} }

@ -1,19 +1,3 @@
/*
* 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; package net.micode.notes.ui;
import android.app.Activity; import android.app.Activity;
@ -74,6 +58,8 @@ import java.util.regex.Pattern;
public class NoteEditActivity extends Activity implements OnClickListener, public class NoteEditActivity extends Activity implements OnClickListener,
NoteSettingChangedListener, OnTextViewChangeListener { 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 { private class HeadViewHolder {
public TextView tvModified; public TextView tvModified;
@ -83,7 +69,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
public ImageView ibSetBgColor; public ImageView ibSetBgColor;
} }
//使用Map实现数据存储
private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>(); private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>();
static { static {
sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW); sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
@ -91,6 +77,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE); sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE);
sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN); sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN);
sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE); sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE);
//put函数是将指定值和指定键相连
} }
private static final Map<Integer, Integer> sBgSelectorSelectionMap = new HashMap<Integer, Integer>(); private static final Map<Integer, Integer> sBgSelectorSelectionMap = new HashMap<Integer, Integer>();
@ -100,6 +87,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select); sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select);
sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select); sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select);
sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select); sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select);
//put函数是将指定值和指定键相连
} }
private static final Map<Integer, Integer> sFontSizeBtnsMap = new HashMap<Integer, Integer>(); private static final Map<Integer, Integer> sFontSizeBtnsMap = new HashMap<Integer, Integer>();
@ -108,6 +96,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL); 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_normal, ResourceParser.TEXT_MEDIUM);
sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER); sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER);
//put函数是将指定值和指定键相连
} }
private static final Map<Integer, Integer> sFontSelectorSelectionMap = new HashMap<Integer, Integer>(); private static final Map<Integer, Integer> sFontSelectorSelectionMap = new HashMap<Integer, Integer>();
@ -116,6 +105,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_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_MEDIUM, R.id.iv_medium_select);
sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_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 static final String TAG = "NoteEditActivity";
@ -123,20 +113,23 @@ public class NoteEditActivity extends Activity implements OnClickListener,
private HeadViewHolder mNoteHeaderHolder; private HeadViewHolder mNoteHeaderHolder;
private View mHeadViewPanel; private View mHeadViewPanel;
//私有化一个界面操作mHeadViewPanel对表头的操作
private View mNoteBgColorSelector; private View mNoteBgColorSelector;
//私有化一个界面操作mNoteBgColorSelector对背景颜色的操作
private View mFontSizeSelector; private View mFontSizeSelector;
//私有化一个界面操作mFontSizeSelector对标签字体的操作
private EditText mNoteEditor; private EditText mNoteEditor;
//声明编辑控件,对文本操作
private View mNoteEditorPanel; private View mNoteEditorPanel;
//私有化一个界面操作mNoteEditorPanel文本编辑的控制板
private WorkingNote mWorkingNote; //private WorkingNote mWorkingNote;
public WorkingNote mWorkingNote;
//对模板WorkingNote的初始化
private SharedPreferences mSharedPrefs; 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; 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 String PREFERENCE_FONT_SIZE = "pref_font_size";
private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10; private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10;
@ -145,7 +138,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
public static final String TAG_UNCHECKED = String.valueOf('\u25A1'); public static final String TAG_UNCHECKED = String.valueOf('\u25A1');
private LinearLayout mEditTextList; private LinearLayout mEditTextList;
//线性布局
private String mUserQuery; private String mUserQuery;
private Pattern mPattern; private Pattern mPattern;
@ -153,7 +146,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
protected void onCreate(Bundle savedInstanceState) { protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); super.onCreate(savedInstanceState);
this.setContentView(R.layout.note_edit); this.setContentView(R.layout.note_edit);
//对数据库的访问操作
if (savedInstanceState == null && !initActivityState(getIntent())) { if (savedInstanceState == null && !initActivityState(getIntent())) {
finish(); finish();
return; return;
@ -176,7 +169,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
return; return;
} }
Log.d(TAG, "Restoring from killed activity"); 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) { private boolean initActivityState(Intent intent) {
@ -188,34 +181,42 @@ public class NoteEditActivity extends Activity implements OnClickListener,
if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) { if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {
long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0); long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0);
mUserQuery = ""; 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 * Starting from the searched result
*/ */
//根据键值查找ID
if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) { if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {
noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY); 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)) { if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) {
Intent jump = new Intent(this, NotesListActivity.class); Intent jump = new Intent(this, NotesListActivity.class);
startActivity(jump); startActivity(jump);
//程序将跳转到上面声明的intent——jump
showToast(R.string.error_note_not_exist); showToast(R.string.error_note_not_exist);
finish(); finish();
return false; return false;
} else { }
//ID在数据库中找到
else {
mWorkingNote = WorkingNote.load(this, noteId); mWorkingNote = WorkingNote.load(this, noteId);
if (mWorkingNote == null) { if (mWorkingNote == null) {
Log.e(TAG, "load note failed with note id" + noteId); Log.e(TAG, "load note failed with note id" + noteId);
//打印出红色的错误信息
finish(); finish();
return false; return false;
} }
} }
//setSoftInputMode——软键盘输入模式
getWindow().setSoftInputMode( getWindow().setSoftInputMode(
WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
| WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE); | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
} else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) { } else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) {
// New note // intent.getAction()
// 大多用于broadcast发送广播时给机制intent设置一个action就是一个字符串
// 用户可以通过receive接受intent通过 getAction得到的字符串来决定做什么
long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0); long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0);
int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID, int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID,
AppWidgetManager.INVALID_APPWIDGET_ID); AppWidgetManager.INVALID_APPWIDGET_ID);
@ -223,7 +224,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
Notes.TYPE_WIDGET_INVALIDE); Notes.TYPE_WIDGET_INVALIDE);
int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID,
ResourceParser.getDefaultBgId(this)); ResourceParser.getDefaultBgId(this));
// intent.getIntLong、StringExtra是对各变量的语法分析
// Parse call-record note // Parse call-record note
String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER); String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0); long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);
@ -240,15 +241,17 @@ public class NoteEditActivity extends Activity implements OnClickListener,
finish(); finish();
return false; return false;
} }
//将电话号码与手机的号码簿相关
} else { } else {
mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId,
widgetType, bgResId); widgetType, bgResId);
mWorkingNote.convertToCallNote(phoneNumber, callDate); mWorkingNote.convertToCallNote(phoneNumber, callDate);
//
} }
} else { } else {
mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType, mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType,
bgResId); bgResId);
} }//创建一个新的WorkingNote
getWindow().setSoftInputMode( getWindow().setSoftInputMode(
WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
@ -269,8 +272,10 @@ public class NoteEditActivity extends Activity implements OnClickListener,
} }
private void initNoteScreen() { private void initNoteScreen() {
//对界面的初始化操作
mNoteEditor.setTextAppearance(this, TextAppearanceResources mNoteEditor.setTextAppearance(this, TextAppearanceResources
.getTexAppearanceResource(mFontSizeId)); .getTexAppearanceResource(mFontSizeId));
//设置外观
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
switchToListMode(mWorkingNote.getContent()); switchToListMode(mWorkingNote.getContent());
} else { } else {
@ -294,18 +299,21 @@ public class NoteEditActivity extends Activity implements OnClickListener,
*/ */
showAlertHeader(); showAlertHeader();
} }
//设置闹钟的显示
private void showAlertHeader() { private void showAlertHeader() {
if (mWorkingNote.hasClockAlert()) { if (mWorkingNote.hasClockAlert()) {
long time = System.currentTimeMillis(); long time = System.currentTimeMillis();
if (time > mWorkingNote.getAlertDate()) { if (time > mWorkingNote.getAlertDate()) {
mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired); mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired);
} else { }
//如果系统时间大于了闹钟设置的时间,那么闹钟失效
else {
mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString( mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString(
mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS)); mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS));
} }
mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE); mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE);
mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE); mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE);
//显示闹钟开启的图标
} else { } else {
mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE); mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE);
mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE); mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE);
@ -329,26 +337,29 @@ public class NoteEditActivity extends Activity implements OnClickListener,
if (!mWorkingNote.existInDatabase()) { if (!mWorkingNote.existInDatabase()) {
saveNote(); 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()); outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId());
Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState"); Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState");
} }
@Override @Override
//MotionEvent是对屏幕触控的传递机制
public boolean dispatchTouchEvent(MotionEvent ev) { public boolean dispatchTouchEvent(MotionEvent ev) {
if (mNoteBgColorSelector.getVisibility() == View.VISIBLE if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
&& !inRangeOfView(mNoteBgColorSelector, ev)) { && !inRangeOfView(mNoteBgColorSelector, ev)) {
mNoteBgColorSelector.setVisibility(View.GONE); mNoteBgColorSelector.setVisibility(View.GONE);
return true; return true;
} }//颜色选择器在屏幕上可见
if (mFontSizeSelector.getVisibility() == View.VISIBLE if (mFontSizeSelector.getVisibility() == View.VISIBLE
&& !inRangeOfView(mFontSizeSelector, ev)) { && !inRangeOfView(mFontSizeSelector, ev)) {
mFontSizeSelector.setVisibility(View.GONE); mFontSizeSelector.setVisibility(View.GONE);
return true; return true;
} }//字体大小选择器在屏幕上可见
return super.dispatchTouchEvent(ev); return super.dispatchTouchEvent(ev);
} }
//对屏幕触控的坐标进行操作
private boolean inRangeOfView(View view, MotionEvent ev) { private boolean inRangeOfView(View view, MotionEvent ev) {
int []location = new int[2]; int []location = new int[2];
view.getLocationOnScreen(location); view.getLocationOnScreen(location);
@ -357,9 +368,11 @@ public class NoteEditActivity extends Activity implements OnClickListener,
if (ev.getX() < x if (ev.getX() < x
|| ev.getX() > (x + view.getWidth()) || ev.getX() > (x + view.getWidth())
|| ev.getY() < y || ev.getY() < y
|| ev.getY() > (y + view.getHeight())) { || ev.getY() > (y + view.getHeight()))
return false; //如果触控的位置超出了给定的范围返回false
} {
return false;
}
return true; return true;
} }
@ -377,13 +390,13 @@ public class NoteEditActivity extends Activity implements OnClickListener,
for (int id : sBgSelectorBtnsMap.keySet()) { for (int id : sBgSelectorBtnsMap.keySet()) {
ImageView iv = (ImageView) findViewById(id); ImageView iv = (ImageView) findViewById(id);
iv.setOnClickListener(this); iv.setOnClickListener(this);
} }//对标签各项属性内容的初始化
mFontSizeSelector = findViewById(R.id.font_size_selector); mFontSizeSelector = findViewById(R.id.font_size_selector);
for (int id : sFontSizeBtnsMap.keySet()) { for (int id : sFontSizeBtnsMap.keySet()) {
View view = findViewById(id); View view = findViewById(id);
view.setOnClickListener(this); view.setOnClickListener(this);
}; };//对字体大小的选择
mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this); mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE); mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);
/** /**
@ -405,7 +418,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
} }
clearSettingState(); clearSettingState();
} }
//和桌面小工具的同步
private void updateWidget() { private void updateWidget() {
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) { if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) {
@ -418,7 +431,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
} }
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
mWorkingNote.getWidgetId() mWorkingNote.getWidgetId()
}); });
sendBroadcast(intent); sendBroadcast(intent);
@ -450,7 +463,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
} }
mFontSizeSelector.setVisibility(View.GONE); mFontSizeSelector.setVisibility(View.GONE);
} }
} }//************************存在问题
@Override @Override
public void onBackPressed() { public void onBackPressed() {
@ -481,6 +494,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
} }
@Override @Override
//对选择菜单的准备
public boolean onPrepareOptionsMenu(Menu menu) { public boolean onPrepareOptionsMenu(Menu menu) {
if (isFinishing()) { if (isFinishing()) {
return true; return true;
@ -489,6 +503,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
menu.clear(); menu.clear();
if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) { if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) {
getMenuInflater().inflate(R.menu.call_note_edit, menu); 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 { } else {
getMenuInflater().inflate(R.menu.note_edit, menu); getMenuInflater().inflate(R.menu.note_edit, menu);
} }
@ -506,45 +521,71 @@ public class NoteEditActivity extends Activity implements OnClickListener,
} }
@Override @Override
/*
*
*
*/
public boolean onOptionsItemSelected(MenuItem item) { public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) { switch (item.getItemId()) {
//根据菜单的id来编剧相关项目
case R.id.menu_new_note: case R.id.menu_new_note:
//创建一个新的便签
createNewNote(); createNewNote();
break; break;
case R.id.menu_delete: case R.id.menu_delete:
//删除便签
AlertDialog.Builder builder = new AlertDialog.Builder(this); 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)); 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); builder.setIcon(android.R.drawable.ic_dialog_alert);
//设置对话框图标
builder.setMessage(getString(R.string.alert_message_delete_note)); builder.setMessage(getString(R.string.alert_message_delete_note));
//设置对话框内容
builder.setPositiveButton(android.R.string.ok, builder.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() { new DialogInterface.OnClickListener() {
//建立按键监听器
public void onClick(DialogInterface dialog, int which) { public void onClick(DialogInterface dialog, int which) {
//点击所触发事件
deleteCurrentNote(); deleteCurrentNote();
// 删除单签便签
finish(); finish();
} }
}); });
//添加“YES”按钮
builder.setNegativeButton(android.R.string.cancel, null); builder.setNegativeButton(android.R.string.cancel, null);
//添加“NO”的按钮
builder.show(); builder.show();
//显示对话框
break; break;
case R.id.menu_font_size: case R.id.menu_font_size:
//字体大小的编辑
mFontSizeSelector.setVisibility(View.VISIBLE); mFontSizeSelector.setVisibility(View.VISIBLE);
// 将字体选择器置为可见
findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE); findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
// 通过id找到相应的大小
break; break;
case R.id.menu_list_mode: case R.id.menu_list_mode:
//选择列表模式
mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ? mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ?
TextNote.MODE_CHECK_LIST : 0); TextNote.MODE_CHECK_LIST : 0);
break; break;
case R.id.menu_share: case R.id.menu_share:
//菜单共享
getWorkingText(); getWorkingText();
sendTo(this, mWorkingNote.getContent()); sendTo(this, mWorkingNote.getContent());
// 用sendto函数将运行文本发送到遍历的本文内
break; break;
case R.id.menu_send_to_desktop: case R.id.menu_send_to_desktop:
//发送到桌面
sendToDesktop(); sendToDesktop();
break; break;
case R.id.menu_alert: case R.id.menu_alert:
//创建提醒器
setReminder(); setReminder();
break; break;
case R.id.menu_delete_remind: case R.id.menu_delete_remind:
//删除日期提醒
mWorkingNote.setAlertDate(0, false); mWorkingNote.setAlertDate(0, false);
break; break;
default: default:
@ -553,111 +594,170 @@ public class NoteEditActivity extends Activity implements OnClickListener,
return true; return true;
} }
/*
*
*
*/
private void setReminder() { private void setReminder() {
DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis()); DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis());
// 建立修改时间日期的对话框
d.setOnDateTimeSetListener(new OnDateTimeSetListener() { d.setOnDateTimeSetListener(new OnDateTimeSetListener() {
public void OnDateTimeSet(AlertDialog dialog, long date) { public void OnDateTimeSet(AlertDialog dialog, long date) {
mWorkingNote.setAlertDate(date , true); mWorkingNote.setAlertDate(date , true);
//选择提醒的日期
} }
}); });
//建立时间日期的监听器
d.show(); d.show();
//显示对话框
} }
/** /**
* Share note to apps that support {@link Intent#ACTION_SEND} action * Share note to apps that support {@link Intent#ACTION_SEND} action
* and {@text/plain} type * and {@text/plain} type
*/ */
/*
* 便
*
*/
private void sendTo(Context context, String info) { private void sendTo(Context context, String info) {
Intent intent = new Intent(Intent.ACTION_SEND); Intent intent = new Intent(Intent.ACTION_SEND);
//建立intent链接选项
intent.putExtra(Intent.EXTRA_TEXT, info); 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"); intent.setType("text/plain");
//编辑连接器的类型
context.startActivity(intent); context.startActivity(intent);
//在acti中进行链接
} }
/*
* 便
*
*/
private void createNewNote() { private void createNewNote() {
// Firstly, save current editing notes // Firstly, save current editing notes
//保存当前便签
saveNote(); saveNote();
// For safety, start a new NoteEditActivity // For safety, start a new NoteEditActivity
finish(); finish();
Intent intent = new Intent(this, NoteEditActivity.class); Intent intent = new Intent(this, NoteEditActivity.class);
//设置链接器
intent.setAction(Intent.ACTION_INSERT_OR_EDIT); 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()); 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); startActivity(intent);
//开始activity并链接
} }
/*
* 便
*
*/
private void deleteCurrentNote() { private void deleteCurrentNote() {
if (mWorkingNote.existInDatabase()) { if (mWorkingNote.existInDatabase()) {
//假如当前运行的便签内存有数据
HashSet<Long> ids = new HashSet<Long>(); HashSet<Long> ids = new HashSet<Long>();
long id = mWorkingNote.getNoteId(); long id = mWorkingNote.getNoteId();
if (id != Notes.ID_ROOT_FOLDER) { if (id != Notes.ID_ROOT_FOLDER) {
ids.add(id); 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 { } else {
Log.d(TAG, "Wrong note id, should not happen"); Log.d(TAG, "Wrong note id, should not happen");
//否则报错
} }
if (!isSyncMode()) { if (!isSyncMode()) {
//在非同步模式情况下
//删除操作
if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) { if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) {
Log.e(TAG, "Delete Note error"); Log.e(TAG, "Delete Note error");
} }
} else { } 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)) { if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) {
Log.e(TAG, "Move notes to trash folder error, should not happens"); Log.e(TAG, "Move notes to trash folder error, should not happens");
} }
} }
} }
mWorkingNote.markDeleted(true); mWorkingNote.markDeleted(true);
//将这些标签的删除标记置为true
} }
/*
*
* NotesPreferenceActivity
*/
private boolean isSyncMode() { private boolean isSyncMode() {
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
} }
/*
*
*
*/
public void onClockAlertChanged(long date, boolean set) { public void onClockAlertChanged(long date, boolean set) {
/** /**
* User could set clock to an unsaved note, so before setting the * User could set clock to an unsaved note, so before setting the
* alert clock, we should save the note first * alert clock, we should save the note first
*/ */
if (!mWorkingNote.existInDatabase()) { if (!mWorkingNote.existInDatabase()) {
//首先保存已有的便签
saveNote(); saveNote();
} }
if (mWorkingNote.getNoteId() > 0) { if (mWorkingNote.getNoteId() > 0) {
Intent intent = new Intent(this, AlarmReceiver.class); Intent intent = new Intent(this, AlarmReceiver.class);
intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId())); 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); PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE)); AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE));
//设置提醒管理器
showAlertHeader(); showAlertHeader();
if(!set) { if(!set) {
alarmManager.cancel(pendingIntent); alarmManager.cancel(pendingIntent);
} else { } else {
alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent); 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 { } else {
/** /**
* There is the condition that user has input nothing (the note is * 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 * not worthy saving), we have no note id, remind the user that he
* should input something * should input something
*/ */
//没有运行的便签就报错
Log.e(TAG, "Clock alert setting error"); Log.e(TAG, "Clock alert setting error");
showToast(R.string.error_note_empty_for_clock); showToast(R.string.error_note_empty_for_clock);
} }
} }
/*
* Widget
*/
public void onWidgetChanged() { public void onWidgetChanged() {
updateWidget(); updateWidget();//更新Widget
} }
/*
*
*
*/
public void onEditTextDelete(int index, String text) { public void onEditTextDelete(int index, String text) {
int childCount = mEditTextList.getChildCount(); int childCount = mEditTextList.getChildCount();
if (childCount == 1) { if (childCount == 1) {
return; return;
} }
//没有编辑框的话直接返回
for (int i = index + 1; i < childCount; i++) { for (int i = index + 1; i < childCount; i++) {
((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
.setIndex(i - 1); .setIndex(i - 1);
//通过id把编辑框存在便签编辑框中
} }
mEditTextList.removeViewAt(index); mEditTextList.removeViewAt(index);
//删除特定位置的视图
NoteEditText edit = null; NoteEditText edit = null;
if(index == 0) { if(index == 0) {
edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById( edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById(
@ -666,69 +766,101 @@ public class NoteEditActivity extends Activity implements OnClickListener,
edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById( edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById(
R.id.et_edit_text); R.id.et_edit_text);
} }
//通过id把编辑框存在空的NoteEditText中
int length = edit.length(); int length = edit.length();
edit.append(text); edit.append(text);
edit.requestFocus(); edit.requestFocus();//请求优先完成该此 编辑
edit.setSelection(length); edit.setSelection(length);//定位到length位置处的条目
} }
/*
*
*
*/
public void onEditTextEnter(int index, String text) { public void onEditTextEnter(int index, String text) {
/** /**
* Should not happen, check for debug * Should not happen, check for debug
*/ */
if(index > mEditTextList.getChildCount()) { if(index > mEditTextList.getChildCount()) {
Log.e(TAG, "Index out of mEditTextList boundrary, should not happen"); Log.e(TAG, "Index out of mEditTextList boundrary, should not happen");
//越界把偶偶
} }
View view = getListItem(text, index); View view = getListItem(text, index);
mEditTextList.addView(view, 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); NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
edit.requestFocus(); edit.requestFocus();//请求优先操作
edit.setSelection(0); edit.setSelection(0);//定位到起始位置
for (int i = index + 1; i < mEditTextList.getChildCount(); i++) { for (int i = index + 1; i < mEditTextList.getChildCount(); i++) {
((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
.setIndex(i); .setIndex(i);
//遍历子文本框并设置对应对下标
} }
} }
/*
*
*
*/
private void switchToListMode(String text) { private void switchToListMode(String text) {
mEditTextList.removeAllViews(); mEditTextList.removeAllViews();
String[] items = text.split("\n"); String[] items = text.split("\n");
int index = 0; int index = 0;
//清空所有视图,初始化下标
for (String item : items) { for (String item : items) {
if(!TextUtils.isEmpty(item)) { if(!TextUtils.isEmpty(item)) {
mEditTextList.addView(getListItem(item, index)); mEditTextList.addView(getListItem(item, index));
index++; index++;
//遍历所有文本单元并添加到文本框中
} }
} }
mEditTextList.addView(getListItem("", index)); mEditTextList.addView(getListItem("", index));
mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus(); mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus();
//优先请求此操作
mNoteEditor.setVisibility(View.GONE); mNoteEditor.setVisibility(View.GONE);
//便签编辑器不可见
mEditTextList.setVisibility(View.VISIBLE); mEditTextList.setVisibility(View.VISIBLE);
//将文本编辑框置为可见
} }
/*
*
*
*/
private Spannable getHighlightQueryResult(String fullText, String userQuery) { private Spannable getHighlightQueryResult(String fullText, String userQuery) {
SpannableString spannable = new SpannableString(fullText == null ? "" : fullText); SpannableString spannable = new SpannableString(fullText == null ? "" : fullText);
//新建一个效果选项
if (!TextUtils.isEmpty(userQuery)) { if (!TextUtils.isEmpty(userQuery)) {
mPattern = Pattern.compile(userQuery); mPattern = Pattern.compile(userQuery);
//将用户的询问进行解析
Matcher m = mPattern.matcher(fullText); Matcher m = mPattern.matcher(fullText);
//建立一个状态机检查Pattern并进行匹配
int start = 0; int start = 0;
while (m.find(start)) { while (m.find(start)) {
spannable.setSpan( spannable.setSpan(
new BackgroundColorSpan(this.getResources().getColor( new BackgroundColorSpan(this.getResources().getColor(
R.color.user_query_highlight)), m.start(), m.end(), R.color.user_query_highlight)), m.start(), m.end(),
Spannable.SPAN_INCLUSIVE_EXCLUSIVE); Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
//设置背景颜色
start = m.end(); start = m.end();
//跟新起始位置
} }
} }
return spannable; return spannable;
} }
/*
*
*
*/
private View getListItem(String item, int index) { private View getListItem(String item, int index) {
View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null); 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); final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId)); 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)); CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
cb.setOnCheckedChangeListener(new OnCheckedChangeListener() { cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
@ -739,12 +871,15 @@ public class NoteEditActivity extends Activity implements OnClickListener,
} }
} }
}); });
//建立一个打钩框并设置监听器
if (item.startsWith(TAG_CHECKED)) { if (item.startsWith(TAG_CHECKED)) {
//选择勾选
cb.setChecked(true); cb.setChecked(true);
edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG); edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
item = item.substring(TAG_CHECKED.length(), item.length()).trim(); item = item.substring(TAG_CHECKED.length(), item.length()).trim();
} else if (item.startsWith(TAG_UNCHECKED)) { } else if (item.startsWith(TAG_UNCHECKED)) {
//选择不勾选
cb.setChecked(false); cb.setChecked(false);
edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG); edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
item = item.substring(TAG_UNCHECKED.length(), item.length()).trim(); item = item.substring(TAG_UNCHECKED.length(), item.length()).trim();
@ -753,61 +888,94 @@ public class NoteEditActivity extends Activity implements OnClickListener,
edit.setOnTextViewChangeListener(this); edit.setOnTextViewChangeListener(this);
edit.setIndex(index); edit.setIndex(index);
edit.setText(getHighlightQueryResult(item, mUserQuery)); 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; return view;
} }
/*
* 便
*
*/
public void onTextChange(int index, boolean hasText) { public void onTextChange(int index, boolean hasText) {
if (index >= mEditTextList.getChildCount()) { if (index >= mEditTextList.getChildCount()) {
Log.e(TAG, "Wrong index, should not happen"); Log.e(TAG, "Wrong index, should not happen");
return; return;
//越界报错
} }
if(hasText) { if(hasText) {
mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE); mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE);
} else { } else {
mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE); 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
} }
/*
*
*
*/
public void onCheckListModeChanged(int oldMode, int newMode) { public void onCheckListModeChanged(int oldMode, int newMode) {
if (newMode == TextNote.MODE_CHECK_LIST) { if (newMode == TextNote.MODE_CHECK_LIST) {
switchToListMode(mNoteEditor.getText().toString()); switchToListMode(mNoteEditor.getText().toString());
//检查模式切换到列表模式
} else { } else {
if (!getWorkingText()) { if (!getWorkingText()) {
mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ", 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)); mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
mEditTextList.setVisibility(View.GONE); mEditTextList.setVisibility(View.GONE);
mNoteEditor.setVisibility(View.VISIBLE); mNoteEditor.setVisibility(View.VISIBLE);
//修改文本编辑器的内容和可见性
} }
} }
/*
*
*
*/
private boolean getWorkingText() { private boolean getWorkingText() {
boolean hasChecked = false; boolean hasChecked = false;
//初始化check标记
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
// 若模式为CHECK_LIST
StringBuilder sb = new StringBuilder(); StringBuilder sb = new StringBuilder();
//创建可变字符串
for (int i = 0; i < mEditTextList.getChildCount(); i++) { for (int i = 0; i < mEditTextList.getChildCount(); i++) {
View view = mEditTextList.getChildAt(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); NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
if (!TextUtils.isEmpty(edit.getText())) { if (!TextUtils.isEmpty(edit.getText())) {
//若文本不为空
if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) { 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"); sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n");
hasChecked = true; hasChecked = true;
//扩展字符串为已打钩并把标记置true
} else { } else {
sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n"); sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n");
//扩展字符串添加未打钩
} }
} }
} }
mWorkingNote.setWorkingText(sb.toString()); mWorkingNote.setWorkingText(sb.toString());
//利用编辑好的字符串设置运行便签的内容
} else { } else {
mWorkingNote.setWorkingText(mNoteEditor.getText().toString()); 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; return hasChecked;
} }
/*
* 便
*
*/
private boolean saveNote() { private boolean saveNote() {
getWorkingText(); getWorkingText();
boolean saved = mWorkingNote.saveNote(); boolean saved = mWorkingNote.saveNote();
//运行 getWorkingText()之后保存
if (saved) { if (saved) {
/** /**
* There are two modes from List view to edit view, open one note, * There are two modes from List view to edit view, open one note,
@ -816,11 +984,16 @@ public class NoteEditActivity extends Activity implements OnClickListener,
* new node requires to the top of the list. This code * new node requires to the top of the list. This code
* {@link #RESULT_OK} is used to identify the create/edit state * {@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); setResult(RESULT_OK);
} }
return saved; return saved;
} }
/*
* 便
*
*/
private void sendToDesktop() { private void sendToDesktop() {
/** /**
* Before send message to home, we should make sure that current * Before send message to home, we should make sure that current
@ -829,12 +1002,16 @@ public class NoteEditActivity extends Activity implements OnClickListener,
*/ */
if (!mWorkingNote.existInDatabase()) { if (!mWorkingNote.existInDatabase()) {
saveNote(); saveNote();
//若不存在数据也就是新的标签就保存起来先
} }
if (mWorkingNote.getNoteId() > 0) { if (mWorkingNote.getNoteId() > 0) {
//若是有内容
Intent sender = new Intent(); Intent sender = new Intent();
Intent shortcutIntent = new Intent(this, NoteEditActivity.class); Intent shortcutIntent = new Intent(this, NoteEditActivity.class);
//建立发送到桌面的连接器
shortcutIntent.setAction(Intent.ACTION_VIEW); shortcutIntent.setAction(Intent.ACTION_VIEW);
//链接为一个视图
shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId()); shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId());
sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent); sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
sender.putExtra(Intent.EXTRA_SHORTCUT_NAME, sender.putExtra(Intent.EXTRA_SHORTCUT_NAME,
@ -842,9 +1019,12 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app)); Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app));
sender.putExtra("duplicate", true); 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"); sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
//设置sneder的行为是发送
showToast(R.string.info_note_enter_desktop); showToast(R.string.info_note_enter_desktop);
sendBroadcast(sender); sendBroadcast(sender);
//显示到桌面
} else { } else {
/** /**
* There is the condition that user has input nothing (the note is * There is the condition that user has input nothing (the note is
@ -853,20 +1033,34 @@ public class NoteEditActivity extends Activity implements OnClickListener,
*/ */
Log.e(TAG, "Send to desktop error"); Log.e(TAG, "Send to desktop error");
showToast(R.string.error_note_empty_for_send_to_desktop); showToast(R.string.error_note_empty_for_send_to_desktop);
//空便签直接报错
} }
} }
/*
*
*
*/
private String makeShortcutIconTitle(String content) { private String makeShortcutIconTitle(String content) {
content = content.replace(TAG_CHECKED, ""); content = content.replace(TAG_CHECKED, "");
content = content.replace(TAG_UNCHECKED, ""); content = content.replace(TAG_UNCHECKED, "");
return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ? content.substring(0, return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ? content.substring(0,
SHORTCUT_ICON_TITLE_MAX_LEN) : content; 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
} }
/*
*
*
*/
private void showToast(int resId) { private void showToast(int resId) {
showToast(resId, Toast.LENGTH_SHORT); showToast(resId, Toast.LENGTH_SHORT);
} }
/*
*
* duration
*/
private void showToast(int resId, int duration) { private void showToast(int resId, int duration) {
Toast.makeText(this, resId, duration).show(); Toast.makeText(this, resId, duration).show();
} }

@ -1,19 +1,3 @@
/*
* 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; package net.micode.notes.ui;
import android.content.Context; import android.content.Context;
@ -37,6 +21,7 @@ import net.micode.notes.R;
import java.util.HashMap; import java.util.HashMap;
import java.util.Map; import java.util.Map;
//继承edittext设置便签设置文本框
public class NoteEditText extends EditText { public class NoteEditText extends EditText {
private static final String TAG = "NoteEditText"; private static final String TAG = "NoteEditText";
private int mIndex; private int mIndex;
@ -46,6 +31,7 @@ public class NoteEditText extends EditText {
private static final String SCHEME_HTTP = "http:" ; private static final String SCHEME_HTTP = "http:" ;
private static final String SCHEME_EMAIL = "mailto:" ; private static final String SCHEME_EMAIL = "mailto:" ;
///建立一个字符和整数的hash表用于链接电话网站还有邮箱
private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>(); private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>();
static { static {
sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel); sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel);
@ -56,17 +42,20 @@ public class NoteEditText extends EditText {
/** /**
* Call by the {@link NoteEditActivity} to delete or add edit text * 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 { public interface OnTextViewChangeListener {
/** /**
* Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens * Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens
* and the text is null * and the text is null
*/ */
//处理删除按键时的操作
void onEditTextDelete(int index, String text); void onEditTextDelete(int index, String text);
/** /**
* Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER} * Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER}
* happen * happen
*/ */
//处理进入按键时的操作
void onEditTextEnter(int index, String text); void onEditTextEnter(int index, String text);
/** /**
@ -77,33 +66,43 @@ public class NoteEditText extends EditText {
private OnTextViewChangeListener mOnTextViewChangeListener; private OnTextViewChangeListener mOnTextViewChangeListener;
//根据context设置文本
public NoteEditText(Context context) { public NoteEditText(Context context) {
super(context, null); super(context, null);//用super引用父类变量
mIndex = 0; mIndex = 0;
} }
//设置当前光标
public void setIndex(int index) { public void setIndex(int index) {
mIndex = index; mIndex = index;
} }
//初始化文本修改标记
public void setOnTextViewChangeListener(OnTextViewChangeListener listener) { public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
mOnTextViewChangeListener = listener; mOnTextViewChangeListener = listener;
} }
public NoteEditText(Context context, AttributeSet attrs) { //AttributeSet 百度了一下是自定义空控件属性,用于维护便签动态变化的属性
//初始化便签
public NoteEditText(Context context, AttributeSet attrs) {
super(context, attrs, android.R.attr.editTextStyle); super(context, attrs, android.R.attr.editTextStyle);
} }
// 根据defstyle自动初始化
public NoteEditText(Context context, AttributeSet attrs, int defStyle) { public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle); super(context, attrs, defStyle);
// TODO Auto-generated constructor stub // TODO Auto-generated construct or stub
} }
@Override @Override
//view里的函数处理手机屏幕的所有事件
/*event
*/
public boolean onTouchEvent(MotionEvent event) { public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) { switch (event.getAction()) {
//重写了需要处理屏幕被按下的事件
case MotionEvent.ACTION_DOWN: case MotionEvent.ACTION_DOWN:
//跟新当前坐标值
int x = (int) event.getX(); int x = (int) event.getX();
int y = (int) event.getY(); int y = (int) event.getY();
x -= getTotalPaddingLeft(); x -= getTotalPaddingLeft();
@ -111,9 +110,12 @@ public class NoteEditText extends EditText {
x += getScrollX(); x += getScrollX();
y += getScrollY(); y += getScrollY();
//用布局控件layout根据x,y的新值设置新的位置
Layout layout = getLayout(); Layout layout = getLayout();
int line = layout.getLineForVertical(y); int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x); int off = layout.getOffsetForHorizontal(line, x);
//更新光标新的位置
Selection.setSelection(getText(), off); Selection.setSelection(getText(), off);
break; break;
} }
@ -122,96 +124,147 @@ public class NoteEditText extends EditText {
} }
@Override @Override
/*
*
*
*/
public boolean onKeyDown(int keyCode, KeyEvent event) { public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) { switch (keyCode) {
//根据按键的 Unicode 编码值来处理
case KeyEvent.KEYCODE_ENTER: case KeyEvent.KEYCODE_ENTER:
//“进入”按键
if (mOnTextViewChangeListener != null) { if (mOnTextViewChangeListener != null) {
return false; return false;
} }
break; break;
case KeyEvent.KEYCODE_DEL: case KeyEvent.KEYCODE_DEL:
//“删除”按键
mSelectionStartBeforeDelete = getSelectionStart(); mSelectionStartBeforeDelete = getSelectionStart();
break; break;
default: default:
break; break;
} }
//继续执行父类的其他点击事件
return super.onKeyDown(keyCode, event); return super.onKeyDown(keyCode, event);
} }
@Override @Override
/*
*
*
*/
public boolean onKeyUp(int keyCode, KeyEvent event) { public boolean onKeyUp(int keyCode, KeyEvent event) {
switch(keyCode) { 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: case KeyEvent.KEYCODE_DEL:
if (mOnTextViewChangeListener != null) { if (mOnTextViewChangeListener != null) {
//若是被修改过
if (0 == mSelectionStartBeforeDelete && mIndex != 0) { if (0 == mSelectionStartBeforeDelete && mIndex != 0) {
//若之前有被修改并且文档不为空
mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString()); 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; return true;
} }
} else { } else {
Log.d(TAG, "OnTextViewChangeListener was not seted"); 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; break;
case KeyEvent.KEYCODE_ENTER: case KeyEvent.KEYCODE_ENTER:
//同上也是分为监听器是否建立2种情况
if (mOnTextViewChangeListener != null) { if (mOnTextViewChangeListener != null) {
int selectionStart = getSelectionStart(); int selectionStart = getSelectionStart();
//获取当前位置
String text = getText().subSequence(selectionStart, length()).toString(); String text = getText().subSequence(selectionStart, length()).toString();
//获取当前文本
setText(getText().subSequence(0, selectionStart)); setText(getText().subSequence(0, selectionStart));
//根据获取的文本设置当前文本
mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text); mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);
//当{@link KeyEvent#KEYCODE_ENTER}添加新文本
} else { } else {
Log.d(TAG, "OnTextViewChangeListener was not seted"); 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; break;
default: default:
break; break;
} }
//继续执行父类的其他按键弹起的事件
return super.onKeyUp(keyCode, event); return super.onKeyUp(keyCode, event);
} }
@Override @Override
/*
*
*
* focusedViewFocusedtruefalse
direction
RectViewnull
*/
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
if (mOnTextViewChangeListener != null) { if (mOnTextViewChangeListener != null) {
//若监听器已经建立
if (!focused && TextUtils.isEmpty(getText())) { if (!focused && TextUtils.isEmpty(getText())) {
//获取到焦点并且文本不为空
mOnTextViewChangeListener.onTextChange(mIndex, false); mOnTextViewChangeListener.onTextChange(mIndex, false);
//mOnTextViewChangeListener子函数置false隐藏事件选项
} else { } else {
mOnTextViewChangeListener.onTextChange(mIndex, true); 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); super.onFocusChanged(focused, direction, previouslyFocusedRect);
} }
@Override @Override
/*
*
*
*/
protected void onCreateContextMenu(ContextMenu menu) { protected void onCreateContextMenu(ContextMenu menu) {
if (getText() instanceof Spanned) { if (getText() instanceof Spanned) {
//有文本存在
int selStart = getSelectionStart(); int selStart = getSelectionStart();
int selEnd = getSelectionEnd(); int selEnd = getSelectionEnd();
//获取文本开始和结尾位置
int min = Math.min(selStart, selEnd); int min = Math.min(selStart, selEnd);
int max = Math.max(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); final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class);
//设置url的信息的范围值
if (urls.length == 1) { if (urls.length == 1) {
int defaultResId = 0; int defaultResId = 0;
for(String schema: sSchemaActionResMap.keySet()) { for(String schema: sSchemaActionResMap.keySet()) {
//获取计划表中所有的key值
if(urls[0].getURL().indexOf(schema) >= 0) { 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); defaultResId = sSchemaActionResMap.get(schema);
break; break;
} }
} }
if (defaultResId == 0) { 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; defaultResId = R.string.note_link_other;
} }
//建立菜单
menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener( menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener(
new OnMenuItemClickListener() { new OnMenuItemClickListener() {
//新建按键监听器
public boolean onMenuItemClick(MenuItem item) { public boolean onMenuItemClick(MenuItem item) {
// goto a new intent // goto a new intent
urls[0].onClick(NoteEditText.this); urls[0].onClick(NoteEditText.this);
//根据相应的文本设置菜单的按键
return true; return true;
} }
}); });
} }
} }
//继续执行父类的其他菜单创建的事件
super.onCreateContextMenu(menu); super.onCreateContextMenu(menu);
} }
} }

@ -1,19 +1,3 @@
/*
* 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; package net.micode.notes.ui;
import android.content.Context; import android.content.Context;
@ -28,20 +12,20 @@ import net.micode.notes.tool.DataUtils;
public class NoteItemData { public class NoteItemData {
static final String [] PROJECTION = new String [] { static final String [] PROJECTION = new String [] {
NoteColumns.ID, NoteColumns.ID,
NoteColumns.ALERTED_DATE, NoteColumns.ALERTED_DATE,
NoteColumns.BG_COLOR_ID, NoteColumns.BG_COLOR_ID,
NoteColumns.CREATED_DATE, NoteColumns.CREATED_DATE,
NoteColumns.HAS_ATTACHMENT, NoteColumns.HAS_ATTACHMENT,
NoteColumns.MODIFIED_DATE, NoteColumns.MODIFIED_DATE,
NoteColumns.NOTES_COUNT, NoteColumns.NOTES_COUNT,
NoteColumns.PARENT_ID, NoteColumns.PARENT_ID,
NoteColumns.SNIPPET, NoteColumns.SNIPPET,
NoteColumns.TYPE, NoteColumns.TYPE,
NoteColumns.WIDGET_ID, NoteColumns.WIDGET_ID,
NoteColumns.WIDGET_TYPE, 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 ID_COLUMN = 0;
private static final int ALERTED_DATE_COLUMN = 1; private static final int ALERTED_DATE_COLUMN = 1;
private static final int BG_COLOR_ID_COLUMN = 2; private static final int BG_COLOR_ID_COLUMN = 2;
@ -75,8 +59,9 @@ public class NoteItemData {
private boolean mIsOnlyOneItem; private boolean mIsOnlyOneItem;
private boolean mIsOneNoteFollowingFolder; private boolean mIsOneNoteFollowingFolder;
private boolean mIsMultiNotesFollowingFolder; 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) { public NoteItemData(Context context, Cursor cursor) {
//getxxx为转换格式
mId = cursor.getLong(ID_COLUMN); mId = cursor.getLong(ID_COLUMN);
mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN); mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN); mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN);
@ -92,10 +77,11 @@ public class NoteItemData {
mWidgetId = cursor.getInt(WIDGET_ID_COLUMN); mWidgetId = cursor.getInt(WIDGET_ID_COLUMN);
mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN); mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN);
//初始化电话号码的信息
mPhoneNumber = ""; mPhoneNumber = "";
if (mParentId == Notes.ID_CALL_RECORD_FOLDER) { if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {
mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId); mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId);
if (!TextUtils.isEmpty(mPhoneNumber)) { if (!TextUtils.isEmpty(mPhoneNumber)) {//mphonenumber里有符合字符串则用contart功能连接
mName = Contact.getContact(context, mPhoneNumber); mName = Contact.getContact(context, mPhoneNumber);
if (mName == null) { if (mName == null) {
mName = mPhoneNumber; mName = mPhoneNumber;
@ -108,32 +94,35 @@ public class NoteItemData {
} }
checkPostion(cursor); checkPostion(cursor);
} }
///根据鼠标的位置设置标记,和位置
private void checkPostion(Cursor cursor) { 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; mIsLastItem = cursor.isLast() ? true : false;
mIsFirstItem = cursor.isFirst() ? true : false; mIsFirstItem = cursor.isFirst() ? true : false;
mIsOnlyOneItem = (cursor.getCount() == 1); mIsOnlyOneItem = (cursor.getCount() == 1);
//初始化“多重子文件”“单一子文件”2个标记
mIsMultiNotesFollowingFolder = false; mIsMultiNotesFollowingFolder = false;
mIsOneNoteFollowingFolder = false; mIsOneNoteFollowingFolder = false;
if (mType == Notes.TYPE_NOTE && !mIsFirstItem) { //主要是设置上诉2标记
if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {//若是note格式并且不是第一个元素
int position = cursor.getPosition(); int position = cursor.getPosition();
if (cursor.moveToPrevious()) { if (cursor.moveToPrevious()) {//获取光标位置后看上一行
if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER
|| cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) { || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {//若光标满足系统或note格式
if (cursor.getCount() > (position + 1)) { if (cursor.getCount() > (position + 1)) {
mIsMultiNotesFollowingFolder = true; mIsMultiNotesFollowingFolder = true;//若是数据行数大于但前位置+1则设置成正确
} else { } else {
mIsOneNoteFollowingFolder = true; mIsOneNoteFollowingFolder = true;//否则单一文件夹标记为true
} }
} }
if (!cursor.moveToNext()) { if (!cursor.moveToNext()) {//若不能再往下走则报错
throw new IllegalStateException("cursor move to previous but can't move back"); 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() { public boolean isOneFollowingFolder() {
return mIsOneNoteFollowingFolder; return mIsOneNoteFollowingFolder;
} }
@ -214,6 +203,7 @@ public class NoteItemData {
return (mAlertDate > 0); 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() { public boolean isCallRecord() {
return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber)); return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));
} }

@ -1,19 +1,3 @@
/*
* 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; package net.micode.notes.ui;
import android.app.Activity; import android.app.Activity;
@ -77,8 +61,12 @@ import java.io.IOException;
import java.io.InputStream; import java.io.InputStream;
import java.io.InputStreamReader; import java.io.InputStreamReader;
import java.util.HashSet; import java.util.HashSet;
//主界面,一进入就是这个界面
public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener { /**
* @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_NOTE_LIST_QUERY_TOKEN = 0;
private static final int FOLDER_LIST_QUERY_TOKEN = 1; private static final int FOLDER_LIST_QUERY_TOKEN = 1;
@ -89,7 +77,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
private static final int MENU_FOLDER_CHANGE_NAME = 2; private static final int MENU_FOLDER_CHANGE_NAME = 2;
private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; //单行超过80个字符
private enum ListEditState { private enum ListEditState {
NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
@ -136,8 +124,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
private final static int REQUEST_CODE_NEW_NODE = 103; private final static int REQUEST_CODE_NEW_NODE = 103;
@Override @Override
protected void onCreate(Bundle savedInstanceState) { // 创建类
super.onCreate(savedInstanceState); 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); setContentView(R.layout.note_list);
initResources(); initResources();
@ -148,26 +141,32 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
@Override @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) { protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// 结果值 和 要求值 符合要求
if (resultCode == RESULT_OK if (resultCode == RESULT_OK
&& (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) { && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
mNotesListAdapter.changeCursor(null); mNotesListAdapter.changeCursor(null);
} else { } else {
super.onActivityResult(requestCode, resultCode, data); super.onActivityResult(requestCode, resultCode, data);
// 调用 Activity 的onActivityResult
} }
} }
private void setAppInfoFromRawRes() { 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); SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) { if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
StringBuilder sb = new StringBuilder(); StringBuilder sb = new StringBuilder();
InputStream in = null; InputStream in = null;
try { try {
in = getResources().openRawResource(R.raw.introduction); // 把资源文件放到应用程序的/raw/raw下那么就可以在应用中使用getResources获取资源后,
// 以openRawResource方法不带后缀的资源文件名打开这个文件。
in = getResources().openRawResource(R.raw.introduction);
if (in != null) { if (in != null) {
InputStreamReader isr = new InputStreamReader(in); InputStreamReader isr = new InputStreamReader(in);
BufferedReader br = new BufferedReader(isr); BufferedReader br = new BufferedReader(isr);
char [] buf = new char[1024]; char [] buf = new char[1024]; // 自行定义的数值,使用者不知道有什么意义
int len = 0; int len = 0;
while ((len = br.read(buf)) > 0) { while ((len = br.read(buf)) > 0) {
sb.append(buf, 0, len); sb.append(buf, 0, len);
@ -180,7 +179,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
e.printStackTrace(); e.printStackTrace();
return; return;
} finally { } finally {
if(in != null) { if (in != null) {
try { try {
in.close(); in.close();
} catch (IOException e) { } catch (IOException e) {
@ -190,11 +189,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
} }
// 创建空的WorkingNote
WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER, WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE, AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
ResourceParser.RED); ResourceParser.RED);
note.setWorkingText(sb.toString()); note.setWorkingText(sb.toString());
if (note.saveNote()) { if (note.saveNote()) {
// 更新保存note的信息
sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit(); sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit();
} else { } else {
Log.e(TAG, "Save introduction note error"); Log.e(TAG, "Save introduction note error");
@ -209,18 +210,21 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
startAsyncNotesListQuery(); startAsyncNotesListQuery();
} }
// 初始化资源
private void initResources() { private void initResources() {
mContentResolver = this.getContentResolver(); mContentResolver = this.getContentResolver(); // 获取应用程序的数据,得到类似数据表的东西
mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver()); mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
mCurrentFolderId = Notes.ID_ROOT_FOLDER; mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mNotesListView = (ListView) findViewById(R.id.notes_list);
// findViewById 是安卓编程的定位函数,主要是引用.R文件里的引用名
mNotesListView = (ListView) findViewById(R.id.notes_list); // 绑定XML中的ListView作为Item的容器
mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null), mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
null, false); null, false);
mNotesListView.setOnItemClickListener(new OnListItemClickListener()); mNotesListView.setOnItemClickListener(new OnListItemClickListener());
mNotesListView.setOnItemLongClickListener(this); mNotesListView.setOnItemLongClickListener(this);
mNotesListAdapter = new NotesListAdapter(this); mNotesListAdapter = new NotesListAdapter(this);
mNotesListView.setAdapter(mNotesListAdapter); mNotesListView.setAdapter(mNotesListAdapter);
mAddNewNote = (Button) findViewById(R.id.btn_new_note); mAddNewNote = (Button) findViewById(R.id.btn_new_note);// 在activity中要获取该按钮
mAddNewNote.setOnClickListener(this); mAddNewNote.setOnClickListener(this);
mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener()); mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener());
mDispatch = false; mDispatch = false;
@ -231,6 +235,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mModeCallBack = new ModeCallback(); mModeCallBack = new ModeCallback();
} }
// 继承自ListView.MultiChoiceModeListener 和 OnMenuItemClickListener
private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener { private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
private DropdownMenu mDropDownMenu; private DropdownMenu mDropDownMenu;
private ActionMode mActionMode; private ActionMode mActionMode;
@ -259,7 +264,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
(Button) customView.findViewById(R.id.selection_menu), (Button) customView.findViewById(R.id.selection_menu),
R.menu.note_list_dropdown); R.menu.note_list_dropdown);
mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){ mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){
public boolean onMenuItemClick(MenuItem item) { public boolean onMenuItemClick(final MenuItem item) {
mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected()); mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());
updateMenu(); updateMenu();
return true; return true;
@ -269,11 +274,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return true; return true;
} }
// 更新菜单
private void updateMenu() { private void updateMenu() {
int selectedCount = mNotesListAdapter.getSelectedCount(); int selectedCount = mNotesListAdapter.getSelectedCount();
// Update dropdown menu // Update dropdown menu
String format = getResources().getString(R.string.menu_select_title, selectedCount); String format = getResources().getString(R.string.menu_select_title, selectedCount);
mDropDownMenu.setTitle(format); mDropDownMenu.setTitle(format); // 更改标题
MenuItem item = mDropDownMenu.findItem(R.id.action_select_all); MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);
if (item != null) { if (item != null) {
if (mNotesListAdapter.isAllSelected()) { if (mNotesListAdapter.isAllSelected()) {
@ -307,7 +313,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
public void onItemCheckedStateChanged(ActionMode mode, int position, long id, public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
boolean checked) { boolean checked) {
mNotesListAdapter.setCheckedItem(position, checked); mNotesListAdapter.setCheckedItem(position, checked);
updateMenu(); updateMenu();
} }
@ -325,14 +331,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
builder.setTitle(getString(R.string.alert_title_delete)); builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert); builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(getString(R.string.alert_message_delete_notes, builder.setMessage(getString(R.string.alert_message_delete_notes,
mNotesListAdapter.getSelectedCount())); mNotesListAdapter.getSelectedCount()));
builder.setPositiveButton(android.R.string.ok, builder.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() { new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, public void onClick(DialogInterface dialog,
int which) { int which) {
batchDelete(); batchDelete();
} }
}); });
builder.setNegativeButton(android.R.string.cancel, null); builder.setNegativeButton(android.R.string.cancel, null);
builder.show(); builder.show();
break; break;
@ -366,7 +372,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
/** /**
* HACKME:When click the transparent part of "New Note" button, dispatch * HACKME:When click the transparent part of "New Note" button, dispatch
* the event to the list view behind this button. The transparent part of * the event to the list view behind this button. The transparent part of
* "New Note" button could be expressed by formula y=-0.12x+94Unit:pixel * "New Note" button could be expressed by formula y=-0.12x+94nit:pixel<EFBFBD>
* and the line top of the button. The coordinate based on left of the "New * 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. * Note" button. The 94 represents maximum height of the transparent part.
* Notice that, if the background of the button changes, the formula should * Notice that, if the background of the button changes, the formula should
@ -413,7 +419,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
: NORMAL_SELECTION; : NORMAL_SELECTION;
mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null, mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] { Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] {
String.valueOf(mCurrentFolderId) String.valueOf(mCurrentFolderId)
}, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC"); }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
} }
@ -624,7 +630,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
values.put(NoteColumns.LOCAL_MODIFIED, 1); values.put(NoteColumns.LOCAL_MODIFIED, 1);
mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID
+ "=?", new String[] { + "=?", new String[] {
String.valueOf(mFocusNoteDataItem.getId()) String.valueOf(mFocusNoteDataItem.getId())
}); });
} }
} else if (!TextUtils.isEmpty(name)) { } else if (!TextUtils.isEmpty(name)) {
@ -664,30 +670,38 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}); });
} }
/* (non-Javadoc)
* @see android.app.Activity#onBackPressed()
*
*/
@Override @Override
public void onBackPressed() { public void onBackPressed() { switch (mState) {
switch (mState) { case SUB_FOLDER:
case SUB_FOLDER: mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mCurrentFolderId = Notes.ID_ROOT_FOLDER; mState = ListEditState.NOTE_LIST;
mState = ListEditState.NOTE_LIST; startAsyncNotesListQuery();
startAsyncNotesListQuery(); mTitleBar.setVisibility(View.GONE);
mTitleBar.setVisibility(View.GONE); break;
break; case CALL_RECORD_FOLDER:
case CALL_RECORD_FOLDER: mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mCurrentFolderId = Notes.ID_ROOT_FOLDER; mState = ListEditState.NOTE_LIST;
mState = ListEditState.NOTE_LIST; mAddNewNote.setVisibility(View.VISIBLE);
mAddNewNote.setVisibility(View.VISIBLE); mTitleBar.setVisibility(View.GONE);
mTitleBar.setVisibility(View.GONE); startAsyncNotesListQuery();
startAsyncNotesListQuery(); break;
break; case NOTE_LIST:
case NOTE_LIST: super.onBackPressed();
super.onBackPressed(); break;
break; default:
default: break;
break; }
}
} }
/**
* @param appWidgetId
* @param appWidgetType
* widgetintent
*/
private void updateWidget(int appWidgetId, int appWidgetType) { private void updateWidget(int appWidgetId, int appWidgetType) {
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
if (appWidgetType == Notes.TYPE_WIDGET_2X) { if (appWidgetType == Notes.TYPE_WIDGET_2X) {
@ -700,13 +714,16 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
appWidgetId appWidgetId
}); });
sendBroadcast(intent); sendBroadcast(intent);
setResult(RESULT_OK, intent); setResult(RESULT_OK, intent);
} }
/**
*
*/
private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() { private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
if (mFocusNoteDataItem != null) { if (mFocusNoteDataItem != null) {
@ -726,6 +743,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
super.onContextMenuClosed(menu); super.onContextMenuClosed(menu);
} }
/* (non-Javadoc)
* @see android.app.Activity#onContextItemSelected(android.view.MenuItem)
* menu
*/
@Override @Override
public boolean onContextItemSelected(MenuItem item) { public boolean onContextItemSelected(MenuItem item) {
if (mFocusNoteDataItem == null) { if (mFocusNoteDataItem == null) {
@ -734,10 +755,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
switch (item.getItemId()) { switch (item.getItemId()) {
case MENU_FOLDER_VIEW: case MENU_FOLDER_VIEW:
openFolder(mFocusNoteDataItem); openFolder(mFocusNoteDataItem);//打开对应文件
break; break;
case MENU_FOLDER_DELETE: case MENU_FOLDER_DELETE:
AlertDialog.Builder builder = new AlertDialog.Builder(this); AlertDialog.Builder builder = new AlertDialog.Builder(this);//设置确认是否删除的对话框
builder.setTitle(getString(R.string.alert_title_delete)); builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert); builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(getString(R.string.alert_message_delete_folder)); builder.setMessage(getString(R.string.alert_message_delete_folder));
@ -748,7 +769,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
}); });
builder.setNegativeButton(android.R.string.cancel, null); builder.setNegativeButton(android.R.string.cancel, null);
builder.show(); builder.show();//显示对话框
break; break;
case MENU_FOLDER_CHANGE_NAME: case MENU_FOLDER_CHANGE_NAME:
showCreateOrModifyFolderDialog(false); showCreateOrModifyFolderDialog(false);
@ -818,12 +839,19 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return true; return true;
} }
/* (non-Javadoc)
* @see android.app.Activity#onSearchRequested()
* startSearch
*/
@Override @Override
public boolean onSearchRequested() { public boolean onSearchRequested() {
startSearch(null, false, null /* appData */, false); startSearch(null, false, null /* appData */, false);
return true; return true;
} }
/**
* 便
*/
private void exportNoteToText() { private void exportNoteToText() {
final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this); final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
new AsyncTask<Void, Void, Integer>() { new AsyncTask<Void, Void, Integer>() {
@ -866,16 +894,27 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}.execute(); }.execute();
} }
/**
* @return
*
*/
private boolean isSyncMode() { private boolean isSyncMode() {
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
} }
/**
* PreferenceActivity
*/
private void startPreferenceActivity() { private void startPreferenceActivity() {
Activity from = getParent() != null ? getParent() : this; Activity from = getParent() != null ? getParent() : this;
Intent intent = new Intent(from, NotesPreferenceActivity.class); Intent intent = new Intent(from, NotesPreferenceActivity.class);
from.startActivityIfNeeded(intent, -1); from.startActivityIfNeeded(intent, -1);
} }
/**
* @author k
* 便
*/
private class OnListItemClickListener implements OnItemClickListener { private class OnListItemClickListener implements OnItemClickListener {
public void onItemClick(AdapterView<?> parent, View view, int position, long id) { public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
@ -917,10 +956,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
/**
*
*/
private void startQueryDestinationFolders() { private void startQueryDestinationFolders() {
String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?"; String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
selection = (mState == ListEditState.NOTE_LIST) ? selection: selection = (mState == ListEditState.NOTE_LIST) ? selection:
"(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")"; "(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")";
mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN, mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN,
null, null,
@ -935,6 +977,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
NoteColumns.MODIFIED_DATE + " DESC"); NoteColumns.MODIFIED_DATE + " DESC");
} }
/* (non-Javadoc)
* @see android.widget.AdapterView.OnItemLongClickListener#onItemLongClick(android.widget.AdapterView, android.view.View, int, long)
*
* 便ActionModeContextMenu
* ActionMOdeContextMenu
*/
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) { public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
if (view instanceof NotesListItem) { if (view instanceof NotesListItem) {
mFocusNoteDataItem = ((NotesListItem) view).getItemData(); mFocusNoteDataItem = ((NotesListItem) view).getItemData();

@ -1,19 +1,3 @@
/*
* 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; package net.micode.notes.ui;
import android.content.Context; import android.content.Context;
@ -23,6 +7,7 @@ import android.view.View;
import android.view.ViewGroup; import android.view.ViewGroup;
import android.widget.CursorAdapter; import android.widget.CursorAdapter;
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import java.util.Collection; import java.util.Collection;
@ -31,55 +16,94 @@ import java.util.HashSet;
import java.util.Iterator; import java.util.Iterator;
/*
* 便CursorAdaptercursorListView
* NotesListAdapter便
*/
public class NotesListAdapter extends CursorAdapter { public class NotesListAdapter extends CursorAdapter {
private static final String TAG = "NotesListAdapter"; private static final String TAG = "NotesListAdapter";
private Context mContext; private Context mContext;
private HashMap<Integer, Boolean> mSelectedIndex; private HashMap<Integer, Boolean> mSelectedIndex;
private int mNotesCount; private int mNotesCount; //便签数
private boolean mChoiceMode; private boolean mChoiceMode; //选择模式标记
/*
* widget
*/
public static class AppWidgetAttribute { public static class AppWidgetAttribute {
public int widgetId; public int widgetId;
public int widgetType; public int widgetType;
}; };
/*
* 便
*
*/
public NotesListAdapter(Context context) { public NotesListAdapter(Context context) {
super(context, null); super(context, null); //父类对象置空
mSelectedIndex = new HashMap<Integer, Boolean>(); mSelectedIndex = new HashMap<Integer, Boolean>(); //新建选项下标的hash表
mContext = context; mContext = context;
mNotesCount = 0; mNotesCount = 0;
} }
@Override @Override
/*
*
* 使NotesListItem
*/
public View newView(Context context, Cursor cursor, ViewGroup parent) { public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new NotesListItem(context); return new NotesListItem(context);
} }
/*
*
*
*/
@Override @Override
public void bindView(View view, Context context, Cursor cursor) { public void bindView(View view, Context context, Cursor cursor) {
if (view instanceof NotesListItem) { if (view instanceof NotesListItem) {
//若view是NotesListItem的一个实例
NoteItemData itemData = new NoteItemData(context, cursor); NoteItemData itemData = new NoteItemData(context, cursor);
((NotesListItem) view).bind(context, itemData, mChoiceMode, ((NotesListItem) view).bind(context, itemData, mChoiceMode,
isSelectedItem(cursor.getPosition())); 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
} }
} }
/*
*
*
*/
public void setCheckedItem(final int position, final boolean checked) { public void setCheckedItem(final int position, final boolean checked) {
mSelectedIndex.put(position, checked); mSelectedIndex.put(position, checked);
//根据定位和是否勾选设置下标
notifyDataSetChanged(); notifyDataSetChanged();
//在修改后刷新activity
} }
/*
*
*/
public boolean isInChoiceMode() { public boolean isInChoiceMode() {
return mChoiceMode; return mChoiceMode;
} }
/*
*
* mode
*/
public void setChoiceMode(boolean mode) { public void setChoiceMode(boolean mode) {
mSelectedIndex.clear(); mSelectedIndex.clear();
mChoiceMode = mode; mChoiceMode = mode;
} }
/*
*
*
*/
public void selectAll(boolean checked) { public void selectAll(boolean checked) {
Cursor cursor = getCursor(); Cursor cursor = getCursor();
//获取光标位置
for (int i = 0; i < getCount(); i++) { for (int i = 0; i < getCount(); i++) {
if (cursor.moveToPosition(i)) { if (cursor.moveToPosition(i)) {
if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) { if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) {
@ -87,30 +111,47 @@ public class NotesListAdapter extends CursorAdapter {
} }
} }
} }
//遍历所有光标可用的位置在判断为便签类型之后勾选单项框
} }
/*
*
*
*/
public HashSet<Long> getSelectedItemIds() { public HashSet<Long> getSelectedItemIds() {
HashSet<Long> itemSet = new HashSet<Long>(); HashSet<Long> itemSet = new HashSet<Long>();
//建立hash表
for (Integer position : mSelectedIndex.keySet()) { for (Integer position : mSelectedIndex.keySet()) {
//遍历所有的关键
if (mSelectedIndex.get(position) == true) { if (mSelectedIndex.get(position) == true) {
//若光标位置可用
Long id = getItemId(position); Long id = getItemId(position);
if (id == Notes.ID_ROOT_FOLDER) { if (id == Notes.ID_ROOT_FOLDER) {
//原文件不需要添加
Log.d(TAG, "Wrong item id, should not happen"); Log.d(TAG, "Wrong item id, should not happen");
} else { } else {
itemSet.add(id); itemSet.add(id);
} }
//则将id该下标假如选项集合中
} }
} }
return itemSet; return itemSet;
} }
/*
* Widget
*
*/
public HashSet<AppWidgetAttribute> getSelectedWidget() { public HashSet<AppWidgetAttribute> getSelectedWidget() {
HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>(); HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>();
for (Integer position : mSelectedIndex.keySet()) { for (Integer position : mSelectedIndex.keySet()) {
if (mSelectedIndex.get(position) == true) { if (mSelectedIndex.get(position) == true) {
Cursor c = (Cursor) getItem(position); Cursor c = (Cursor) getItem(position);
//以上4句和getSelectedItemIds一样不再重复
if (c != null) { 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(); AppWidgetAttribute widget = new AppWidgetAttribute();
NoteItemData item = new NoteItemData(mContext, c); NoteItemData item = new NoteItemData(mContext, c);
widget.widgetId = item.getWidgetId(); widget.widgetId = item.getWidgetId();
@ -128,26 +169,42 @@ public class NotesListAdapter extends CursorAdapter {
return itemSet; return itemSet;
} }
/*
*
*
*/
public int getSelectedCount() { public int getSelectedCount() {
Collection<Boolean> values = mSelectedIndex.values(); Collection<Boolean> values = mSelectedIndex.values();
//首先获取选项下标的值
if (null == values) { if (null == values) {
return 0; return 0;
} }
Iterator<Boolean> iter = values.iterator(); Iterator<Boolean> iter = values.iterator();
//初始化叠加器
int count = 0; int count = 0;
while (iter.hasNext()) { while (iter.hasNext()) {
if (true == iter.next()) { if (true == iter.next()) {
//若value值为真计数+1
count++; count++;
} }
} }
return count; return count;
} }
/*
*
*
*/
public boolean isAllSelected() { public boolean isAllSelected() {
int checkedCount = getSelectedCount(); int checkedCount = getSelectedCount();
return (checkedCount != 0 && checkedCount == mNotesCount); return (checkedCount != 0 && checkedCount == mNotesCount);
//获取选项数看是否等于便签的个数
} }
/*
*
*
*/
public boolean isSelectedItem(final int position) { public boolean isSelectedItem(final int position) {
if (null == mSelectedIndex.get(position)) { if (null == mSelectedIndex.get(position)) {
return false; return false;
@ -156,29 +213,45 @@ public class NotesListAdapter extends CursorAdapter {
} }
@Override @Override
/*
* activity便
*
*/
protected void onContentChanged() { protected void onContentChanged() {
super.onContentChanged(); super.onContentChanged();
//执行基类函数
calcNotesCount(); calcNotesCount();
} }
@Override @Override
/*
* activity便
*/
public void changeCursor(Cursor cursor) { public void changeCursor(Cursor cursor) {
super.changeCursor(cursor); super.changeCursor(cursor);
//执行基类函数
calcNotesCount(); calcNotesCount();
} }
/*
* 便
*
*/
private void calcNotesCount() { private void calcNotesCount() {
mNotesCount = 0; mNotesCount = 0;
for (int i = 0; i < getCount(); i++) { for (int i = 0; i < getCount(); i++) {
//获取总数同时遍历
Cursor c = (Cursor) getItem(i); Cursor c = (Cursor) getItem(i);
if (c != null) { if (c != null) {
if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) { if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) {
mNotesCount++; mNotesCount++;
//若该位置不为空并且文本类型为便签就+1
} }
} else { } else {
Log.e(TAG, "Invalid cursor"); Log.e(TAG, "Invalid cursor");
return; return;
} }
//否则报错
} }
} }
} }

@ -1,19 +1,3 @@
/*
* 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; package net.micode.notes.ui;
import android.content.Context; import android.content.Context;
@ -30,37 +14,43 @@ import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser.NoteItemBgResources; import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
//创建便签列表项目选项
public class NotesListItem extends LinearLayout { public class NotesListItem extends LinearLayout {
private ImageView mAlert; private ImageView mAlert;//闹钟图片
private TextView mTitle; private TextView mTitle; //标题
private TextView mTime; private TextView mTime; //时间
private TextView mCallName; private TextView mCallName; //
private NoteItemData mItemData; private NoteItemData mItemData; //标签数据
private CheckBox mCheckBox; private CheckBox mCheckBox; //打钩框
/*初始化基本信息*/
public NotesListItem(Context context) { public NotesListItem(Context context) {
super(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(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); mAlert = (ImageView) findViewById(R.id.iv_alert_icon);
mTitle = (TextView) findViewById(R.id.tv_title); mTitle = (TextView) findViewById(R.id.tv_title);
mTime = (TextView) findViewById(R.id.tv_time); mTime = (TextView) findViewById(R.id.tv_time);
mCallName = (TextView) findViewById(R.id.tv_name); mCallName = (TextView) findViewById(R.id.tv_name);
mCheckBox = (CheckBox) findViewById(android.R.id.checkbox); 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) { public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
if (choiceMode && data.getType() == Notes.TYPE_NOTE) { if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
mCheckBox.setVisibility(View.VISIBLE); mCheckBox.setVisibility(View.VISIBLE); ///设置可见行为可见
mCheckBox.setChecked(checked); mCheckBox.setChecked(checked); ///格子打钩
} else { } else {
mCheckBox.setVisibility(View.GONE); mCheckBox.setVisibility(View.GONE);
} }
mItemData = data; 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) { if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mCallName.setVisibility(View.GONE); mCallName.setVisibility(View.GONE);
mAlert.setVisibility(View.VISIBLE); mAlert.setVisibility(View.VISIBLE);
//设置该textview的style
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
//settext为设置内容
mTitle.setText(context.getString(R.string.call_record_folder_name) mTitle.setText(context.getString(R.string.call_record_folder_name)
+ context.getString(R.string.format_folder_files_count, data.getNotesCount())); + context.getString(R.string.format_folder_files_count, data.getNotesCount()));
mAlert.setImageResource(R.drawable.call_record); mAlert.setImageResource(R.drawable.call_record);
@ -69,8 +59,9 @@ public class NotesListItem extends LinearLayout {
mCallName.setText(data.getCallName()); mCallName.setText(data.getCallName());
mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem); mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem);
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
///关于闹钟的设置
if (data.hasAlert()) { if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock); mAlert.setImageResource(R.drawable.clock);//图片来源的设置
mAlert.setVisibility(View.VISIBLE); mAlert.setVisibility(View.VISIBLE);
} else { } else {
mAlert.setVisibility(View.GONE); mAlert.setVisibility(View.GONE);
@ -78,44 +69,47 @@ public class NotesListItem extends LinearLayout {
} else { } else {
mCallName.setVisibility(View.GONE); mCallName.setVisibility(View.GONE);
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
///设置title格式
if (data.getType() == Notes.TYPE_FOLDER) { if (data.getType() == Notes.TYPE_FOLDER) {
mTitle.setText(data.getSnippet() mTitle.setText(data.getSnippet()
+ context.getString(R.string.format_folder_files_count, + context.getString(R.string.format_folder_files_count,
data.getNotesCount())); data.getNotesCount()));
mAlert.setVisibility(View.GONE); mAlert.setVisibility(View.GONE);
} else { } else {
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
if (data.hasAlert()) { if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock); mAlert.setImageResource(R.drawable.clock);///设置图片来源
mAlert.setVisibility(View.VISIBLE); mAlert.setVisibility(View.VISIBLE);
} else { } else {
mAlert.setVisibility(View.GONE); mAlert.setVisibility(View.GONE);
} }
} }
} }
mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate())); ///设置内容获取相关时间从data里编辑的日期中获取
mTime. setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
setBackground(data); setBackground(data);
} }
//根据data的文件属性来设置背景
private void setBackground(NoteItemData data) { private void setBackground(NoteItemData data) {
int id = data.getBgColorId(); 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) { 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()) { if (data.isSingle() || data.isOneFollowingFolder()) {
setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id)); setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));
} else if (data.isLast()) { } else if (data.isLast()) {//是最后一个数据
setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id)); setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id));
} else if (data.isFirst() || data.isMultiFollowingFolder()) { } else if (data.isFirst() || data.isMultiFollowingFolder()) {//是一个数据并有多个子文件夹
setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id)); setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id));
} else { } else {
setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id)); setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
} }
} else { } else {
//若不是note直接调用文件夹的背景来源
setBackgroundResource(NoteItemBgResources.getFolderBgRes()); setBackgroundResource(NoteItemBgResources.getFolderBgRes());
} }
} }
public NoteItemData getItemData() { public NoteItemData getItemData() {
return mItemData; return mItemData;
} }

@ -1,19 +1,3 @@
/*
* 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; package net.micode.notes.ui;
import android.accounts.Account; import android.accounts.Account;
@ -47,66 +31,92 @@ import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.remote.GTaskSyncService; import net.micode.notes.gtask.remote.GTaskSyncService;
/*
*NotesPreferenceActivity便
* PreferenceActivityActivity
*/
public class NotesPreferenceActivity extends PreferenceActivity { public class NotesPreferenceActivity extends PreferenceActivity {
public static final String PREFERENCE_NAME = "notes_preferences"; public static final String PREFERENCE_NAME = "notes_preferences";
//优先名
public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name"; 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"; 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"; 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"; private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";
//同步密码
private static final String AUTHORITIES_FILTER_KEY = "authorities"; private static final String AUTHORITIES_FILTER_KEY = "authorities";
//本地密码
private PreferenceCategory mAccountCategory; private PreferenceCategory mAccountCategory;
//账户分组
private GTaskReceiver mReceiver; private GTaskReceiver mReceiver;
//同步任务接收器
private Account[] mOriAccounts; private Account[] mOriAccounts;
//账户
private boolean mHasAddedAccount; private boolean mHasAddedAccount;
//账户的hash标记
@Override @Override
/*
*activity
*Bundle icicle activity
*
*/
protected void onCreate(Bundle icicle) { protected void onCreate(Bundle icicle) {
//先执行父类的创建函数
super.onCreate(icicle); super.onCreate(icicle);
/* using the app icon for navigation */ /* using the app icon for navigation */
getActionBar().setDisplayHomeAsUpEnabled(true); 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); addPreferencesFromResource(R.xml.preferences);
//添加xml来源并显示 xml
mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY); 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(); mReceiver = new GTaskReceiver();
IntentFilter filter = new IntentFilter(); IntentFilter filter = new IntentFilter();
filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME); filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);
registerReceiver(mReceiver, filter); registerReceiver(mReceiver, filter);
//初始化同步组件
mOriAccounts = null; mOriAccounts = null;
View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null); View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null);
//获取listvivewListView的作用:用于列出所有选择
getListView().addHeaderView(header, null, true); getListView().addHeaderView(header, null, true);
//在listview组件上方添加其他组件
} }
@Override @Override
/*
* activity
*
*/
protected void onResume() { protected void onResume() {
//先执行父类 的交互实现
super.onResume(); super.onResume();
// need to set sync account automatically if user has added a new // need to set sync account automatically if user has added a new
// account // account
if (mHasAddedAccount) { if (mHasAddedAccount) {
//若用户新加了账户则自动设置同步账户
Account[] accounts = getGoogleAccounts(); Account[] accounts = getGoogleAccounts();
//获取google同步账户
if (mOriAccounts != null && accounts.length > mOriAccounts.length) { 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) { for (Account accountNew : accounts) {
boolean found = false; boolean found = false;
for (Account accountOld : mOriAccounts) { for (Account accountOld : mOriAccounts) {
if (TextUtils.equals(accountOld.name, accountNew.name)) { if (TextUtils.equals(accountOld.name, accountNew.name)) {
//更新账户
found = true; found = true;
break; break;
} }
} }
if (!found) { if (!found) {
setSyncAccount(accountNew.name); 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; break;
} }
} }
@ -114,58 +124,83 @@ public class NotesPreferenceActivity extends PreferenceActivity {
} }
refreshUI(); refreshUI();
//刷新标签界面
} }
@Override @Override
/*
* activity
*
*/
protected void onDestroy() { protected void onDestroy() {
if (mReceiver != null) { if (mReceiver != null) {
unregisterReceiver(mReceiver); unregisterReceiver(mReceiver);
//注销接收器
} }
super.onDestroy(); super.onDestroy();
//执行父类的销毁动作
} }
/*
*
*
*/
private void loadAccountPreference() { private void loadAccountPreference() {
mAccountCategory.removeAll(); mAccountCategory.removeAll();
//销毁所有的分组
Preference accountPref = new Preference(this); Preference accountPref = new Preference(this);
//建立首选项
final String defaultAccount = getSyncAccountName(this); final String defaultAccount = getSyncAccountName(this);
accountPref.setTitle(getString(R.string.preferences_account_title)); accountPref.setTitle(getString(R.string.preferences_account_title));
accountPref.setSummary(getString(R.string.preferences_account_summary)); 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() { accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
public boolean onPreferenceClick(Preference preference) { public boolean onPreferenceClick(Preference preference) {
//建立监听器
if (!GTaskSyncService.isSyncing()) { if (!GTaskSyncService.isSyncing()) {
if (TextUtils.isEmpty(defaultAccount)) { if (TextUtils.isEmpty(defaultAccount)) {
// the first time to set account // 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(); showSelectAccountAlertDialog();
} else { } else {
// if the account has already been set, we need to promp // if the account has already been set, we need to promp
// user about the risk // 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(); showChangeAccountConfirmAlertDialog();
} }
} else { } 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, Toast.makeText(NotesPreferenceActivity.this,
R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT) R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT)
.show(); .show();
} }
return true; return true;
} }
}); });
//根据新建首选项编辑新的账户分组
mAccountCategory.addPreference(accountPref); mAccountCategory.addPreference(accountPref);
} }
/*
*
*
*/
private void loadSyncButton() { private void loadSyncButton() {
Button syncButton = (Button) findViewById(R.id.preference_sync_button); Button syncButton = (Button) findViewById(R.id.preference_sync_button);
TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview); 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 // set button state
//设置按钮的状态
if (GTaskSyncService.isSyncing()) { if (GTaskSyncService.isSyncing()) {
//若是在同步状态下
syncButton.setText(getString(R.string.preferences_button_sync_cancel)); syncButton.setText(getString(R.string.preferences_button_sync_cancel));
syncButton.setOnClickListener(new View.OnClickListener() { syncButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) { public void onClick(View v) {
GTaskSyncService.cancelSync(NotesPreferenceActivity.this); GTaskSyncService.cancelSync(NotesPreferenceActivity.this);
} }
}); });
//设置按钮显示的文本为“取消同步”以及监听器
} else { } else {
syncButton.setText(getString(R.string.preferences_button_sync_immediately)); syncButton.setText(getString(R.string.preferences_button_sync_immediately));
syncButton.setOnClickListener(new View.OnClickListener() { syncButton.setOnClickListener(new View.OnClickListener() {
@ -173,50 +208,67 @@ public class NotesPreferenceActivity extends PreferenceActivity {
GTaskSyncService.startSync(NotesPreferenceActivity.this); 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))); syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));
//设置按键可用还是不可用
// set last sync time // set last sync time
// 设置最终同步时间
if (GTaskSyncService.isSyncing()) { if (GTaskSyncService.isSyncing()) {
//若是在同步的情况下
lastSyncTimeView.setText(GTaskSyncService.getProgressString()); lastSyncTimeView.setText(GTaskSyncService.getProgressString());
lastSyncTimeView.setVisibility(View.VISIBLE); 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 { } else {
//若是非同步情况
long lastSyncTime = getLastSyncTime(this); long lastSyncTime = getLastSyncTime(this);
if (lastSyncTime != 0) { if (lastSyncTime != 0) {
lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time, lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time,
DateFormat.format(getString(R.string.preferences_last_sync_time_format), DateFormat.format(getString(R.string.preferences_last_sync_time_format),
lastSyncTime))); lastSyncTime)));
lastSyncTimeView.setVisibility(View.VISIBLE); 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 { } else {
//若时间为空直接设置为不可见状态
lastSyncTimeView.setVisibility(View.GONE); lastSyncTimeView.setVisibility(View.GONE);
} }
} }
} }
/*
*
*
*/
private void refreshUI() { private void refreshUI() {
loadAccountPreference(); loadAccountPreference();
loadSyncButton(); loadSyncButton();
} }
/*
*
*
*/
private void showSelectAccountAlertDialog() { private void showSelectAccountAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); 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); View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
titleTextView.setText(getString(R.string.preferences_dialog_select_account_title)); titleTextView.setText(getString(R.string.preferences_dialog_select_account_title));
TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips)); 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.setCustomTitle(titleView);
dialogBuilder.setPositiveButton(null, null); 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(); Account[] accounts = getGoogleAccounts();
String defAccount = getSyncAccountName(this); String defAccount = getSyncAccountName(this);
//获取同步账户信息
mOriAccounts = accounts; mOriAccounts = accounts;
mHasAddedAccount = false; mHasAddedAccount = false;
if (accounts.length > 0) { if (accounts.length > 0) {
//若账户不为空
CharSequence[] items = new CharSequence[accounts.length]; CharSequence[] items = new CharSequence[accounts.length];
final CharSequence[] itemMapping = items; final CharSequence[] itemMapping = items;
int checkedItem = -1; int checkedItem = -1;
@ -224,83 +276,119 @@ public class NotesPreferenceActivity extends PreferenceActivity {
for (Account account : accounts) { for (Account account : accounts) {
if (TextUtils.equals(account.name, defAccount)) { if (TextUtils.equals(account.name, defAccount)) {
checkedItem = index; checkedItem = index;
//在账户列表中查询到所需账户
} }
items[index++] = account.name; items[index++] = account.name;
} }
dialogBuilder.setSingleChoiceItems(items, checkedItem, dialogBuilder.setSingleChoiceItems(items, checkedItem,
//在对话框建立一个单选的复选框
new DialogInterface.OnClickListener() { new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) { public void onClick(DialogInterface dialog, int which) {
setSyncAccount(itemMapping[which].toString()); setSyncAccount(itemMapping[which].toString());
dialog.dismiss(); dialog.dismiss();
//取消对话框
refreshUI(); 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); View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);
dialogBuilder.setView(addAccountView); dialogBuilder.setView(addAccountView);
//给新加账户对话框设置自定义样式
final AlertDialog dialog = dialogBuilder.show(); final AlertDialog dialog = dialogBuilder.show();
//显示对话框
addAccountView.setOnClickListener(new View.OnClickListener() { addAccountView.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) { public void onClick(View v) {
mHasAddedAccount = true; mHasAddedAccount = true;
//将新加账户的hash置true
Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS"); Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
//建立网络建立组件
intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] { intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] {
"gmail-ls" "gmail-ls"
}); });
startActivityForResult(intent, -1); startActivityForResult(intent, -1);
//跳回上一个选项
dialog.dismiss(); dialog.dismiss();
} }
}); });
//建立新加账户对话框的监听器
} }
/*
*
*
*/
private void showChangeAccountConfirmAlertDialog() { private void showChangeAccountConfirmAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); 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); View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
titleTextView.setText(getString(R.string.preferences_dialog_change_account_title, titleTextView.setText(getString(R.string.preferences_dialog_change_account_title,
getSyncAccountName(this))); getSyncAccountName(this)));
TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg)); 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); dialogBuilder.setCustomTitle(titleView);
//设置对话框的自定义标题
CharSequence[] menuItemArray = new CharSequence[] { CharSequence[] menuItemArray = new CharSequence[] {
getString(R.string.preferences_menu_change_account), getString(R.string.preferences_menu_change_account),
getString(R.string.preferences_menu_remove_account), getString(R.string.preferences_menu_remove_account),
getString(R.string.preferences_menu_cancel) getString(R.string.preferences_menu_cancel)
}; };
//定义一些标记字符串
dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() { 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changeremovecancel
public void onClick(DialogInterface dialog, int which) { public void onClick(DialogInterface dialog, int which) {
//按键功能由which来决定
if (which == 0) { if (which == 0) {
//进入账户选择对话框
showSelectAccountAlertDialog(); showSelectAccountAlertDialog();
} else if (which == 1) { } else if (which == 1) {
//删除账户并且跟新便签界面
removeSyncAccount(); removeSyncAccount();
refreshUI(); refreshUI();
} }
} }
}); });
dialogBuilder.show(); dialogBuilder.show();
//显示对话框
} }
/*
*
*
*/
private Account[] getGoogleAccounts() { private Account[] getGoogleAccounts() {
AccountManager accountManager = AccountManager.get(this); AccountManager accountManager = AccountManager.get(this);
return accountManager.getAccountsByType("com.google"); return accountManager.getAccountsByType("com.google");
} }
/*
*
*
*/
private void setSyncAccount(String account) { private void setSyncAccount(String account) {
if (!getSyncAccountName(this).equals(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 settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit(); SharedPreferences.Editor editor = settings.edit();
//编辑共享的首选项
if (account != null) { if (account != null) {
editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account); editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account);
} else { } else {
editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
} }
//将该账号加入到首选项中
editor.commit(); editor.commit();
//提交修改的数据
// clean up last sync time
setLastSyncTime(this, 0); setLastSyncTime(this, 0);
//将最后同步时间清零
// clean up local gtask related info // clean up local gtask related info
new Thread(new Runnable() { new Thread(new Runnable() {
@ -311,23 +399,33 @@ public class NotesPreferenceActivity extends PreferenceActivity {
getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
} }
}).start(); }).start();
//重置当地同步任务的信息
Toast.makeText(NotesPreferenceActivity.this, Toast.makeText(NotesPreferenceActivity.this,
getString(R.string.preferences_toast_success_set_accout, account), getString(R.string.preferences_toast_success_set_accout, account),
Toast.LENGTH_SHORT).show(); Toast.LENGTH_SHORT).show();
//将toast的文本信息置为“设置账户成功”并显示出来
} }
} }
/*
*
*
*/
private void removeSyncAccount() { private void removeSyncAccount() {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit(); SharedPreferences.Editor editor = settings.edit();
//设置共享首选项
if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) { if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
editor.remove(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)) { if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) {
editor.remove(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(); editor.commit();
//提交更新后的数据
// clean up local gtask related info // clean up local gtask related info
new Thread(new Runnable() { new Thread(new Runnable() {
@ -338,51 +436,79 @@ public class NotesPreferenceActivity extends PreferenceActivity {
getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
} }
}).start(); }).start();
//重置当地同步任务的信息
} }
/*
*
*
*/
public static String getSyncAccountName(Context context) { public static String getSyncAccountName(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE); Context.MODE_PRIVATE);
return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
} }
/*
*
*
*/
public static void setLastSyncTime(Context context, long time) { public static void setLastSyncTime(Context context, long time) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE); Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit(); 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.putLong(PREFERENCE_LAST_SYNC_TIME, time);
editor.commit(); editor.commit();
//编辑最终同步时间并提交更新
} }
/*
*
*
*/
public static long getLastSyncTime(Context context) { public static long getLastSyncTime(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE); Context.MODE_PRIVATE);
return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0); return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
} }
/*
*
* BroadcastReceiver
*/
private class GTaskReceiver extends BroadcastReceiver { private class GTaskReceiver extends BroadcastReceiver {
@Override @Override
public void onReceive(Context context, Intent intent) { public void onReceive(Context context, Intent intent) {
refreshUI(); refreshUI();
if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) { 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); TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
syncStatus.setText(intent syncStatus.setText(intent
.getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG)); .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
//通过获取的数据在设置系统的状态
} }
} }
} }
/*
*
*
* :MenuItem
*/
public boolean onOptionsItemSelected(MenuItem item) { public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) { switch (item.getItemId()) {
//根据选项的id选择这里只有一个主页
case android.R.id.home: case android.R.id.home:
Intent intent = new Intent(this, NotesListActivity.class); Intent intent = new Intent(this, NotesListActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent); startActivity(intent);
return true; 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: default:
return false; return false;
} }
} }
} }
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