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29 Commits

Author SHA1 Message Date
STRIV1 d32bec8755 2024/12/30 tool、model包代码注释
1 year ago
STRIV1 0552a5120a 2024/12/30 data、gtask包代码注释
1 year ago
pq7gp2h8k 2e7dbbe528 刘洋注释
1 year ago
pq7gp2h8k bbb9fe6d82 Update ResourceParser.java
1 year ago
p83apczkq 95179d4024 杨银涛注释
1 year ago
pq7gp2h8k b0c2c376f2 Update GTaskStringUtils.java
1 year ago
pq7gp2h8k ffbb111cf0 Update DataUtils.java
1 year ago
pq7gp2h8k e1be43767a Update BackupUtils.java
1 year ago
pq7gp2h8k 11e420f856 Update WorkingNote.java
1 year ago
pq7gp2h8k a99cb54c13 Update Note.java
1 year ago
LIUYANG 29fd7617df 2024/12/30 代码注释
1 year ago
LIUYANG 164fa1eca8 2024/12/30 代码注释
1 year ago
p83apczkq a065df5cde Update NoteWidgetProvider_4x.java
1 year ago
p83apczkq 39fa53502f Update NoteWidgetProvider_2x.java
1 year ago
p83apczkq bd37a260a0 Update NoteWidgetProvider.java
1 year ago
p83apczkq 94d42c7a59 Update NotesPreferenceActivity.java
1 year ago
p83apczkq 6ad520f114 Update NotesListItem.java
1 year ago
p83apczkq 21dbdd25e0 Update NotesListAdapter.java
1 year ago
p83apczkq 4d2c49a5fe Update NoteEditText.java
1 year ago
p83apczkq cabf6206f7 Update NotesListActivity.java
1 year ago
p83apczkq 004d3e6373 Update NoteItemData.java
1 year ago
p83apczkq 8a0e71c865 Update NoteEditActivity.java
1 year ago
p83apczkq fe1990490f Update FoldersListAdapter.java
1 year ago
p83apczkq 5346e17856 Update DropdownMenu.java
1 year ago
p83apczkq 801723cbe4 Update DateTimePickerDialog.java
1 year ago
p83apczkq 655c50a82b Update DateTimePicker.java
1 year ago
p83apczkq 705187a367 Update AlarmReceiver.java
1 year ago
p83apczkq 8c3c3ae15a Update AlarmInitReceiver.java
1 year ago
p83apczkq 4c45f27300 Update AlarmAlertActivity.java
1 year ago

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

@ -16,10 +16,14 @@
package net.micode.notes.data;
import android.content.ContentUris;
import android.net.Uri;
// Notes 类中定义了很多常量这些常量大多是int型和string型
public class Notes {
public static final String AUTHORITY = "micode_notes";
public static final String TAG = "Notes";
//以下三个常量对NoteColumns.TYPE的值进行设置时会用到
public static final int TYPE_NOTE = 0;
public static final int TYPE_FOLDER = 1;
public static final int TYPE_SYSTEM = 2;
@ -35,12 +39,24 @@ public class Notes {
public static final int ID_CALL_RECORD_FOLDER = -2;
public static final int ID_TRASH_FOLER = -3;
public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date";
public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id";
public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id";
public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type";
public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id";
public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date";
public static final String INTENT_EXTRA_ALERT_DATE =
"net.micode.notes.alert_date";
public static final String INTENT_EXTRA_BACKGROUND_ID =
"net.micode.notes.background_color_id";
public static final String INTENT_EXTRA_WIDGET_ID =
"net.micode.notes.widget_id";
public static final String INTENT_EXTRA_WIDGET_TYPE =
"net.micode.notes.widget_type";
public static final String INTENT_EXTRA_FOLDER_ID =
"net.micode.notes.folder_id";
public static final String INTENT_EXTRA_CALL_DATE =
"net.micode.notes.call_date";
public static final int TYPE_WIDGET_INVALIDE = -1;
public static final int TYPE_WIDGET_2X = 0;
@ -54,13 +70,20 @@ public class Notes {
/**
* 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
*/
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 {
/**
* The unique ID for a row
@ -72,7 +95,7 @@ public class Notes {
* The parent's id for note or folder
* <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
@ -140,7 +163,7 @@ public class Notes {
* The last sync id
* <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
@ -165,8 +188,9 @@ public class Notes {
* <P> Type : INTEGER (long) </P>
*/
public static final String VERSION = "version";
}
}//这些常量主要是定义便签的属性的。
// 定义DataColumns的常量,用于后面创建数据库的表头
public interface DataColumns {
/**
* The unique ID for a row
@ -206,41 +230,45 @@ 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
* <P> Type: INTEGER </P>
*/
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
* <P> Type: INTEGER </P>
*/
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
* <P> Type: TEXT </P>
*/
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
* <P> Type: TEXT </P>
*/
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
* <P> Type: TEXT </P>
*/
public static final String DATA5 = "data5";
}
}//主要是定义存储便签内容数据的
public static final class TextNote implements DataColumns {
/**
* Mode to indicate the text in check list mode or not
@ -250,12 +278,18 @@ public class Notes {
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 {
/**
@ -270,10 +304,16 @@ public class Notes {
*/
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
}

@ -16,23 +16,23 @@
package net.micode.notes.data;
import android.content.ContentValues;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.content.ContentValues;//就是用于保存一些数据string boolean byte double float int long short ...)信息,这些信息可以被数据库操作时使用。
import android.content.Context;//加载和访问资源。android中主要是这两个功能但是这里具体不清楚
import android.database.sqlite.SQLiteDatabase;//主要提供了对应于添加、删除、更新、查询的操作方法: insert()、delete()、update()和query()。配合content.values
import android.database.sqlite.SQLiteOpenHelper;//用来管理数据的创建和版本更新
import android.util.Log;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns;
//数据库操作用SQLOpenhelper,对一些note和文件进行数据库的操作比如删除文件后将文件里的note也相应删除
public class NotesDatabaseHelper extends SQLiteOpenHelper {
private static final String DB_NAME = "note.db";
private static final int DB_VERSION = 4;
public interface TABLE {
public interface TABLE { //接口分成note和data在后面的程序里分别使用过
public static final String NOTE = "note";
public static final String DATA = "data";
@ -43,179 +43,179 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
private static NotesDatabaseHelper mInstance;
private static final String CREATE_NOTE_TABLE_SQL =
"CREATE TABLE " + TABLE.NOTE + "(" +
NoteColumns.ID + " INTEGER PRIMARY KEY," +
NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," +
NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" +
")";
"CREATE TABLE " + TABLE.NOTE + "(" +
NoteColumns.ID + " INTEGER PRIMARY KEY," +
NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," +
NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" +
")";//数据库中需要存储的项目的名称,就相当于创建一个表格的表头的内容。
private static final String CREATE_DATA_TABLE_SQL =
"CREATE TABLE " + TABLE.DATA + "(" +
DataColumns.ID + " INTEGER PRIMARY KEY," +
DataColumns.MIME_TYPE + " TEXT NOT NULL," +
DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA1 + " INTEGER," +
DataColumns.DATA2 + " INTEGER," +
DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" +
")";
"CREATE TABLE " + TABLE.DATA + "(" +
DataColumns.ID + " INTEGER PRIMARY KEY," +
DataColumns.MIME_TYPE + " TEXT NOT NULL," +
DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA1 + " INTEGER," +
DataColumns.DATA2 + " INTEGER," +
DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" +
")";//和上面的功能一样,主要是存储的项目不同
private static final String CREATE_DATA_NOTE_ID_INDEX_SQL =
"CREATE INDEX IF NOT EXISTS note_id_index ON " +
TABLE.DATA + "(" + DataColumns.NOTE_ID + ");";
"CREATE INDEX IF NOT EXISTS note_id_index ON " +
TABLE.DATA + "(" + DataColumns.NOTE_ID + ");";//存储便签编号的一个数据表格
/**
* Increase folder's note count when move note to the folder
*/
private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER increase_folder_count_on_update "+
" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" END";
"CREATE TRIGGER increase_folder_count_on_update "+
" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" END";//在文件夹中移入一个Note之后需要更改的数据的表格。
/**
* Decrease folder's note count when move note from folder
*/
private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER decrease_folder_count_on_update " +
" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0" + ";" +
" END";
"CREATE TRIGGER decrease_folder_count_on_update " +
" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0" + ";" +
" END";//在文件夹中移出一个Note之后需要更改的数据的表格。
/**
* Increase folder's note count when insert new note to the folder
*/
private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER =
"CREATE TRIGGER increase_folder_count_on_insert " +
" AFTER INSERT ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" END";
"CREATE TRIGGER increase_folder_count_on_insert " +
" AFTER INSERT ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" END";//在文件夹中插入一个Note之后需要更改的数据的表格。
/**
* Decrease folder's note count when delete note from the folder
*/
private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER =
"CREATE TRIGGER decrease_folder_count_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0;" +
" END";
"CREATE TRIGGER decrease_folder_count_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0;" +
" END";//在文件夹中删除一个Note之后需要更改的数据的表格。
/**
* Update note's content when insert data with type {@link DataConstants#NOTE}
*/
private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER =
"CREATE TRIGGER update_note_content_on_insert " +
" AFTER INSERT ON " + TABLE.DATA +
" WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" END";
"CREATE TRIGGER update_note_content_on_insert " +
" AFTER INSERT ON " + TABLE.DATA +
" WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" END";//在文件夹中对一个Note导入新的数据之后需要更改的数据的表格。
/**
* Update note's content when data with {@link DataConstants#NOTE} type has changed
*/
private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER update_note_content_on_update " +
" AFTER UPDATE ON " + TABLE.DATA +
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" END";
"CREATE TRIGGER update_note_content_on_update " +
" AFTER UPDATE ON " + TABLE.DATA +
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" END";//Note数据被修改后需要更改的数据的表格。
/**
* Update note's content when data with {@link DataConstants#NOTE} type has deleted
*/
private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER =
"CREATE TRIGGER update_note_content_on_delete " +
" AFTER delete ON " + TABLE.DATA +
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=''" +
" WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" +
" END";
"CREATE TRIGGER update_note_content_on_delete " +
" AFTER delete ON " + TABLE.DATA +
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=''" +
" WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" +
" END";//Note数据被删除后需要更改的数据的表格。
/**
* Delete datas belong to note which has been deleted
*/
private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER =
"CREATE TRIGGER delete_data_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE +
" BEGIN" +
" DELETE FROM " + TABLE.DATA +
" WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" +
" END";
"CREATE TRIGGER delete_data_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE +
" BEGIN" +
" DELETE FROM " + TABLE.DATA +
" WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" +
" END";//删除已删除的便签的数据后需要更改的数据的表格。
/**
* Delete notes belong to folder which has been deleted
*/
private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER =
"CREATE TRIGGER folder_delete_notes_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE +
" BEGIN" +
" DELETE FROM " + TABLE.NOTE +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" END";
"CREATE TRIGGER folder_delete_notes_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE +
" BEGIN" +
" DELETE FROM " + TABLE.NOTE +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" END";//删除已删除的文件夹的便签后需要更改的数据的表格。
/**
* Move notes belong to folder which has been moved to trash folder
*/
private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER =
"CREATE TRIGGER folder_move_notes_on_trash " +
" AFTER UPDATE ON " + TABLE.NOTE +
" WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" END";
"CREATE TRIGGER folder_move_notes_on_trash " +
" AFTER UPDATE ON " + TABLE.NOTE +
" WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" END";//还原垃圾桶中便签后需要更改的数据的表格。
public NotesDatabaseHelper(Context context) {
super(context, DB_NAME, null, DB_VERSION);
}
}//构造函数,传入数据库的名称和版本
public void createNoteTable(SQLiteDatabase db) {
db.execSQL(CREATE_NOTE_TABLE_SQL);
reCreateNoteTableTriggers(db);
createSystemFolder(db);
Log.d(TAG, "note table has been created");
}
}//创建表格(用来存储标签属性)
private void reCreateNoteTableTriggers(SQLiteDatabase db) {
db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update");
@ -233,7 +233,8 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER);
db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER);
db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER);
}
}//execSQL是数据库操作的API主要是更改行为的SQL语句。
//在这里主要是用来重新创建上述定义的表格用的,先删除原来有的数据库的触发器再重新创建新的数据库
private void createSystemFolder(SQLiteDatabase db) {
ContentValues values = new ContentValues();
@ -268,14 +269,14 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
}
}//创建几个系统文件夹
public void createDataTable(SQLiteDatabase db) {
db.execSQL(CREATE_DATA_TABLE_SQL);
reCreateDataTableTriggers(db);
db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL);
Log.d(TAG, "data table has been created");
}
}//创建表格(用来存储标签内容)
private void reCreateDataTableTriggers(SQLiteDatabase db) {
db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert");
@ -285,20 +286,22 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER);
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER);
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER);
}
}//同上面的execSQL
static synchronized NotesDatabaseHelper getInstance(Context context) {
if (mInstance == null) {
mInstance = new NotesDatabaseHelper(context);
}
return mInstance;
}
}//上网查是为解决同一时刻只能有一个线程执行.
//在写程序库代码时,有时有一个类需要被所有的其它类使用,
//但又要求这个类只能被实例化一次,是个服务类,定义一次,其它类使用同一个这个类的实例
@Override
public void onCreate(SQLiteDatabase db) {
createNoteTable(db);
createDataTable(db);
}
}//实现两个表格(上面创建的两个表格)
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
@ -331,14 +334,14 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
throw new IllegalStateException("Upgrade notes database to version " + newVersion
+ "fails");
}
}
}//数据库版本的更新(数据库内容的更改)
private void upgradeToV2(SQLiteDatabase db) {
db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE);
db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA);
createNoteTable(db);
createDataTable(db);
}
}//更新到V2版本
private void upgradeToV3(SQLiteDatabase db) {
// drop unused triggers
@ -353,10 +356,10 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
}
}//更新到V3版本
private void upgradeToV4(SQLiteDatabase db) {
db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION
+ " INTEGER NOT NULL DEFAULT 0");
}
}//更新到V4版本,但是不知道V2、V3、V4是什么意思
}

@ -16,7 +16,6 @@
package net.micode.notes.data;
import android.app.SearchManager;
import android.content.ContentProvider;
import android.content.ContentUris;
@ -33,9 +32,15 @@ import net.micode.notes.R;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.NotesDatabaseHelper.TABLE;
//为存储和获取数据提供接口。可以在不同的应用程序之间共享数据
//ContentProvider提供的方法
//query查询
//insert插入
//update更新
//delete删除
//getType得到数据类型
public class NotesProvider extends ContentProvider {
// UriMatcher用于匹配Uri
private static final UriMatcher mMatcher;
private NotesDatabaseHelper mHelper;
@ -51,7 +56,9 @@ public class NotesProvider extends ContentProvider {
private static final int URI_SEARCH_SUGGEST = 6;
static {
// 创建UriMatcher时调用UriMatcher(UriMatcher.NO_MATCH)表示不匹配任何路径的返回码
mMatcher = new UriMatcher(UriMatcher.NO_MATCH);
// 把需要匹配Uri路径全部给注册上
mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE);
mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM);
mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA);
@ -65,33 +72,40 @@ public class NotesProvider extends ContentProvider {
* x'0A' represents the '\n' character in sqlite. For title and content in the search result,
* we will trim '\n' and white space in order to show more information.
*/
// 声明 NOTES_SEARCH_PROJECTION
private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + ","
+ NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + ","
+ "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + ","
+ "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + ","
+ R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + ","
+ "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + ","
+ "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA;
+ NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + ","
+ "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + ","
+ "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + ","
+ R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + ","
+ "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + ","
+ "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA;
// 声明NOTES_SNIPPET_SEARCH_QUERY
private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION
+ " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.SNIPPET + " LIKE ?"
+ " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER
+ " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE;
+ " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.SNIPPET + " LIKE ?"
+ " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER
+ " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE;
@Override
// Context只有在onCreate()中才被初始化
// 对mHelper进行实例化
public boolean onCreate() {
mHelper = NotesDatabaseHelper.getInstance(getContext());
return true;
}
@Override
// 查询uri在数据库中对应的位置
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
String sortOrder) {
String sortOrder) {
Cursor c = null;
// 获取可读数据库
SQLiteDatabase db = mHelper.getReadableDatabase();
String id = null;
// 匹配查找uri
switch (mMatcher.match(uri)) {
// 对于不同的匹配值,在数据库中查找相应的条目
case URI_NOTE:
c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null,
sortOrder);
@ -113,6 +127,7 @@ public class NotesProvider extends ContentProvider {
case URI_SEARCH:
case URI_SEARCH_SUGGEST:
if (sortOrder != null || projection != null) {
// 不合法的参数异常
throw new IllegalArgumentException(
"do not specify sortOrder, selection, selectionArgs, or projection" + "with this query");
}
@ -120,6 +135,8 @@ public class NotesProvider extends ContentProvider {
String searchString = null;
if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) {
if (uri.getPathSegments().size() > 1) {
// getPathSegments()方法得到一个String的List
// 在uri.getPathSegments().get(1)为第2个元素
searchString = uri.getPathSegments().get(1);
}
} else {
@ -139,6 +156,7 @@ public class NotesProvider extends ContentProvider {
}
break;
default:
// 抛出异常
throw new IllegalArgumentException("Unknown URI " + uri);
}
if (c != null) {
@ -148,13 +166,17 @@ public class NotesProvider extends ContentProvider {
}
@Override
// 插入一个uri
public Uri insert(Uri uri, ContentValues values) {
// 获得可写的数据库
SQLiteDatabase db = mHelper.getWritableDatabase();
long dataId = 0, noteId = 0, insertedId = 0;
switch (mMatcher.match(uri)) {
// 新增一个条目
case URI_NOTE:
insertedId = noteId = db.insert(TABLE.NOTE, null, values);
break;
// 如果存在查找NOTE_ID
case URI_DATA:
if (values.containsKey(DataColumns.NOTE_ID)) {
noteId = values.getAsLong(DataColumns.NOTE_ID);
@ -167,6 +189,7 @@ public class NotesProvider extends ContentProvider {
throw new IllegalArgumentException("Unknown URI " + uri);
}
// Notify the note uri
// notifyChange获得一个ContextResolver对象并且更新里面的内容
if (noteId > 0) {
getContext().getContentResolver().notifyChange(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null);
@ -178,13 +201,17 @@ public class NotesProvider extends ContentProvider {
ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null);
}
// 返回插入的uri的路径
return ContentUris.withAppendedId(uri, insertedId);
}
@Override
// 删除一个uri
public int delete(Uri uri, String selection, String[] selectionArgs) {
//Uri代表要操作的数据Android上可用的每种资源 -包括 图像、视频片段、音频资源等都可以用Uri来表示。
int count = 0;
String id = null;
// 获得可写的数据库
SQLiteDatabase db = mHelper.getWritableDatabase();
boolean deleteData = false;
switch (mMatcher.match(uri)) {
@ -228,6 +255,7 @@ public class NotesProvider extends ContentProvider {
}
@Override
// 更新一个uri
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
int count = 0;
String id = null;
@ -267,10 +295,12 @@ public class NotesProvider extends ContentProvider {
return count;
}
// 将字符串解析成规定格式
private String parseSelection(String selection) {
return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : "");
}
//增加一个noteVersion
private void increaseNoteVersion(long id, String selection, String[] selectionArgs) {
StringBuilder sql = new StringBuilder(120);
sql.append("UPDATE ");
@ -293,6 +323,7 @@ public class NotesProvider extends ContentProvider {
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());
}

@ -1,54 +1,53 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.gtask.data;
import android.database.Cursor;
import android.util.Log;
import net.micode.notes.tool.GTaskStringUtils;
import org.json.JSONException;
import org.json.JSONObject;
public class MetaData extends Task {
/*
* TAG
* getSimpleName ()
*/
private final static String TAG = MetaData.class.getSimpleName();
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 {
metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);
/*
* metaInfojsonobject
*/
} catch (JSONException e) {
Log.e(TAG, "failed to put related gid");
/*
*
*/
}
setNotes(metaInfo.toString());
setName(GTaskStringUtils.META_NOTE_NAME);
}
/*
* Gid
*/
public String getRelatedGid() {
return mRelatedGid;
}
/*
*
* Made By CuiCan
*/
@Override
public boolean isWorthSaving() {
return getNotes() != null;
}
/*
* 使json
* TasksetContentByRemoteJSON ()
*
*/
@Override
public void setContentByRemoteJSON(JSONObject js) {
super.setContentByRemoteJSON(js);
@ -58,25 +57,48 @@ public class MetaData extends Task {
mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID);
} catch (JSONException e) {
Log.w(TAG, "failed to get related gid");
/*
*
*/
mRelatedGid = null;
}
}
}
/*
* 使json
* Made By CuiCan
*/
@Override
public void setContentByLocalJSON(JSONObject js) {
// this function should not be called
throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
/*
*
*/
}
/*
* json
* Made By CuiCan
*/
@Override
public JSONObject getLocalJSONFromContent() {
throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");
/*
*
* Made By Cui Can
*/
}
/*
*
* Made By CuiCan
*/
@Override
public int getSyncAction(Cursor c) {
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;
import android.database.Cursor;
import org.json.JSONObject;
/**
*
* abstract
*/
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 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() {
mGid = null;
@ -98,4 +87,4 @@ public abstract class Node {
return this.mDeleted;
}
}
}

@ -1,50 +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.
* Description便sqlnotedatanote
* SqlData
*/
package net.micode.notes.gtask.data;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.util.Log;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.NotesDatabaseHelper.TABLE;
import net.micode.notes.gtask.exception.ActionFailureException;
import org.json.JSONException;
import org.json.JSONObject;
/*
*
*
*
* Made By CuiCan
*/
public class SqlData {
/*
* TAG
* getSimpleName ()
* Made By CuiCan
*/
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[] {
DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1,
DataColumns.DATA3
};
/**
* sql5
*/
public static final int DATA_ID_COLUMN = 0;
public static final int DATA_MIME_TYPE_COLUMN = 1;
@ -56,7 +46,7 @@ public class SqlData {
public static final int DATA_CONTENT_DATA_3_COLUMN = 4;
private ContentResolver mContentResolver;
//判断是否直接用Content生成是为true否则为false
private boolean mIsCreate;
private long mDataId;
@ -71,10 +61,17 @@ public class SqlData {
private ContentValues mDiffDataValues;
/*
*
* mContentResolverContentProvider
* mIsCreate
*
* Made By CuiCan
*/
public SqlData(Context context) {
mContentResolver = context.getContentResolver();
mIsCreate = true;
mDataId = INVALID_ID;
mDataId = INVALID_ID;//mDataId置初始值-99999
mDataMimeType = DataConstants.NOTE;
mDataContent = "";
mDataContentData1 = 0;
@ -82,6 +79,14 @@ public class SqlData {
mDiffDataValues = new ContentValues();
}
/*
*
* mContentResolverContentProvider
* mIsCreate
*
* Made By CuiCan
*/
public SqlData(Context context, Cursor c) {
mContentResolver = context.getContentResolver();
mIsCreate = false;
@ -89,6 +94,11 @@ public class SqlData {
mDiffDataValues = new ContentValues();
}
/*
*
*
* Made By CuiCan
*/
private void loadFromCursor(Cursor c) {
mDataId = c.getLong(DATA_ID_COLUMN);
mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN);
@ -97,7 +107,14 @@ public class SqlData {
mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN);
}
/*
*
*
* Made By CuiCan
*/
public void setContent(JSONObject js) throws JSONException {
//如果传入的JSONObject对象中有DataColumns.ID这一项则设置否则设为INVALID_ID
long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID;
if (mIsCreate || mDataId != dataId) {
mDiffDataValues.put(DataColumns.ID, dataId);
@ -130,11 +147,18 @@ public class SqlData {
mDataContentData3 = dataContentData3;
}
/*
*
*
* Made By CuiCan
*/
public JSONObject getContent() throws JSONException {
if (mIsCreate) {
Log.e(TAG, "it seems that we haven't created this in database yet");
return null;
}
//创建JSONObject对象。并将相关数据放入其中并返回。
JSONObject js = new JSONObject();
js.put(DataColumns.ID, mDataId);
js.put(DataColumns.MIME_TYPE, mDataMimeType);
@ -144,6 +168,11 @@ public class SqlData {
return js;
}
/*
* commit
*
* Made By CuiCan
*/
public void commit(long noteId, boolean validateVersion, long version) {
if (mIsCreate) {
@ -167,7 +196,7 @@ public class SqlData {
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null);
} else {
result = mContentResolver.update(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues,
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues,
" ? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.VERSION + "=?)", new String[] {
String.valueOf(noteId), String.valueOf(version)
@ -183,7 +212,13 @@ public class SqlData {
mIsCreate = false;
}
/*
* id
*
*
* Made By CuiCan
*/
public long getId() {
return mDataId;
}
}
}

@ -1,48 +1,26 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* Description便sqldatanotedata
* SqlDataSqlNote
*/
package net.micode.notes.gtask.data;
import android.appwidget.AppWidgetManager;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.util.Log;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.tool.GTaskStringUtils;
import net.micode.notes.tool.ResourceParser;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.ArrayList;
/*
*
*
*
* Made By CuiCan
*/
public class SqlNote {
/*
* TAG
* getSimpleName ()
* Made By CuiCan
*/
private static final String TAG = SqlNote.class.getSimpleName();
private static final int INVALID_ID = -99999;
// 集合了interface NoteColumns中所有SF常量17个
public static final String[] PROJECTION_NOTE = new String[] {
NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID,
NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE,
@ -52,6 +30,7 @@ public class SqlNote {
NoteColumns.VERSION
};
//以下设置17个列的编号
public static final int ID_COLUMN = 0;
public static final int ALERTED_DATE_COLUMN = 1;
@ -86,6 +65,7 @@ public class SqlNote {
public static final int VERSION_COLUMN = 16;
//一下定义了17个内部的变量其中12个可以由content中获得5个需要初始化为0或者new
private Context mContext;
private ContentResolver mContentResolver;
@ -122,6 +102,13 @@ public class SqlNote {
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) {
mContext = context;
mContentResolver = context.getContentResolver();
@ -129,9 +116,9 @@ public class SqlNote {
mId = INVALID_ID;
mAlertDate = 0;
mBgColorId = ResourceParser.getDefaultBgId(context);
mCreatedDate = System.currentTimeMillis();
mCreatedDate = System.currentTimeMillis();//调用系统函数获得创建时间
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;
mSnippet = "";
mType = Notes.TYPE_NOTE;
@ -143,17 +130,33 @@ public class SqlNote {
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) {
mContext = context;
mContentResolver = context.getContentResolver();
mIsCreate = false;
loadFromCursor(c);
mDataList = new ArrayList<SqlData>();
//
if (mType == Notes.TYPE_NOTE)
loadDataContent();
mDiffNoteValues = new ContentValues();
}
/*
*
* mIsCreate
*
* Made By CuiCan
*/
public SqlNote(Context context, long id) {
mContext = context;
mContentResolver = context.getContentResolver();
@ -166,16 +169,21 @@ public class SqlNote {
}
/*
* id
* Made By CuiCan
*/
private void loadFromCursor(long id) {
Cursor c = null;
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)",
new String[] {
String.valueOf(id)
}, null);
String.valueOf(id)
}, null);//通过id获得对应的ContentResolver中的cursor
if (c != null) {
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 {
Log.w(TAG, "loadFromCursor: cursor = null");
}
@ -185,7 +193,12 @@ public class SqlNote {
}
}
/*
*
* Made By CuiCan
*/
private void loadFromCursor(Cursor c) {
//直接从一条记录中的获得以下变量的初始值
mId = c.getLong(ID_COLUMN);
mAlertDate = c.getLong(ALERTED_DATE_COLUMN);
mBgColorId = c.getInt(BG_COLOR_ID_COLUMN);
@ -200,13 +213,18 @@ public class SqlNote {
mVersion = c.getLong(VERSION_COLUMN);
}
/*
* content
*
* Made By CuiCan
*/
private void loadDataContent() {
Cursor c = null;
mDataList.clear();
try {
c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA,
"(note_id=?)", new String[] {
String.valueOf(mId)
String.valueOf(mId)
}, null);
if (c != null) {
if (c.getCount() == 0) {
@ -226,6 +244,11 @@ public class SqlNote {
}
}
/*
* content
*
* Made By CuiCan
*/
public boolean setContent(JSONObject js) {
try {
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
@ -267,7 +290,6 @@ public class SqlNote {
mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId);
}
mBgColorId = bgColorId;
long createDate = note.has(NoteColumns.CREATED_DATE) ? note
.getLong(NoteColumns.CREATED_DATE) : System.currentTimeMillis();
if (mIsCreate || mCreatedDate != createDate) {
@ -359,6 +381,11 @@ public class SqlNote {
return true;
}
/*
* contentnote
*
* Made By CuiCan
*/
public JSONObject getContent() {
try {
JSONObject js = new JSONObject();
@ -369,7 +396,7 @@ public class SqlNote {
}
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.ALERTED_DATE, mAlertDate);
note.put(NoteColumns.BG_COLOR_ID, mBgColorId);
@ -392,7 +419,7 @@ public class SqlNote {
}
}
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.TYPE, mType);
note.put(NoteColumns.SNIPPET, mSnippet);
@ -407,39 +434,84 @@ public class SqlNote {
return null;
}
/*
* idid
*
* Made By CuiCan
*/
public void setParentId(long id) {
mParentId = id;
mDiffNoteValues.put(NoteColumns.PARENT_ID, id);
}
/*
* idGtaskid
*
* Made By CuiCan
*/
public void setGtaskId(String gid) {
mDiffNoteValues.put(NoteColumns.GTASK_ID, gid);
}
/*
* idid
*
* Made By CuiCan
*/
public void setSyncId(long syncId) {
mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId);
}
/*
*
*
* Made By CuiCan
*/
public void resetLocalModified() {
mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0);
}
/*
* id
*
* Made By CuiCan
*/
public long getId() {
return mId;
}
/*
* idid
*
* Made By CuiCan
*/
public long getParentId() {
return mParentId;
}
/*
* 便
*
* Made By CuiCan
*/
public String getSnippet() {
return mSnippet;
}
/*
* 便
*
* Made By CuiCan
*/
public boolean isNoteType() {
return mType == Notes.TYPE_NOTE;
}
/*
* commit
*
* Made By CuiCan
*/
public void commit(boolean validateVersion) {
if (mIsCreate) {
if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) {
@ -458,7 +530,7 @@ public class SqlNote {
}
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);
}
}
@ -470,14 +542,14 @@ public class SqlNote {
if (mDiffNoteValues.size() > 0) {
mVersion ++;
int result = 0;
if (!validateVersion) {
if (!validateVersion) {//构造字符串
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
+ NoteColumns.ID + "=?)", new String[] {
String.valueOf(mId)
String.valueOf(mId)
});
} else {
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
+ NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)",
+ NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)",
new String[] {
String.valueOf(mId), String.valueOf(mVersion)
});
@ -502,4 +574,4 @@ public class SqlNote {
mDiffNoteValues.clear();
mIsCreate = false;
}
}
}

@ -1,56 +1,24 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.gtask.data;
import android.database.Cursor;
import android.text.TextUtils;
import android.util.Log;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.tool.GTaskStringUtils;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
public class Task extends Node {
private static final String TAG = Task.class.getSimpleName();
private boolean mCompleted;
private boolean mCompleted;//是否完成
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() {
super();
mCompleted = false;
mNotes = null;
mPriorSibling = null;
mParent = null;
mPriorSibling = null;//TaskList中当前Task前面的Task的指针
mParent = null;//当前Task所在的TaskList
mMetaInfo = null;
}
@ -80,14 +48,18 @@ public class Task extends Node {
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
// 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
js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE,
GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
// 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
if (mPriorSibling != null) {
@ -175,7 +147,7 @@ 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)
|| !js.has(GTaskStringUtils.META_HEAD_DATA)) {
Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");
@ -348,4 +320,4 @@ public class Task extends Node {
return this.mParent;
}
}
}

@ -1,41 +1,11 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.gtask.data;
import android.database.Cursor;
import android.util.Log;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.tool.GTaskStringUtils;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.ArrayList;
public class TaskList extends Node {
private static final String TAG = TaskList.class.getSimpleName();
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() {
super();
@ -43,6 +13,10 @@ public class TaskList extends Node {
mIndex = 1;
}
/* (non-Javadoc)
* @see net.micode.notes.gtask.data.Node#getCreateAction(int)
* JSONObject
*/
public JSONObject getCreateAction(int actionId) {
JSONObject js = new JSONObject();
@ -58,7 +32,7 @@ public class TaskList extends Node {
js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex);
// 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_CREATOR_ID, "null");
entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE,
@ -74,6 +48,10 @@ public class TaskList extends Node {
return js;
}
/* (non-Javadoc)
* @see net.micode.notes.gtask.data.Node#getUpdateAction(int)
* JSONObject
*/
public JSONObject getUpdateAction(int actionId) {
JSONObject js = new JSONObject();
@ -216,10 +194,19 @@ public class TaskList extends Node {
return SYNC_ACTION_ERROR;
}
/**
* @return
* TaskListmChildren
*/
public int getChildTaskCount() {
return mChildren.size();
}
/**
* @param task
* @return
*
*/
public boolean addChildTask(Task task) {
boolean ret = false;
if (task != null && !mChildren.contains(task)) {
@ -229,11 +216,19 @@ public class TaskList extends Node {
task.setPriorSibling(mChildren.isEmpty() ? null : mChildren
.get(mChildren.size() - 1));
task.setParent(this);
//注意每一次ArrayList的变化都要紧跟相关Task中PriorSibling的更改
//,接下来几个函数都有相关操作
}
}
return ret;
}
/**
* @param task
* @param index
* @return
*
*/
public boolean addChildTask(Task task, int index) {
if (index < 0 || index > mChildren.size()) {
Log.e(TAG, "add child task: invalid index");
@ -260,6 +255,11 @@ public class TaskList extends Node {
return true;
}
/**
* @param task
* @return
* TaskListTask
*/
public boolean removeChildTask(Task task) {
boolean ret = false;
int index = mChildren.indexOf(task);
@ -281,6 +281,12 @@ public class TaskList extends Node {
return ret;
}
/**
* @param task
* @param index
* @return
* TaskListTaskindex
*/
public boolean moveChildTask(Task task, int index) {
if (index < 0 || index >= mChildren.size()) {
@ -297,8 +303,14 @@ public class TaskList extends Node {
if (pos == index)
return true;
return (removeChildTask(task) && addChildTask(task, index));
//利用已实现好的功能完成当下功能;
}
/**
* @param gid
* @return
* gidTask
*/
public Task findChildTaskByGid(String gid) {
for (int i = 0; i < mChildren.size(); i++) {
Task t = mChildren.get(i);
@ -309,10 +321,20 @@ public class TaskList extends Node {
return null;
}
/**
* @param task
* @return
* Taskindex
*/
public int getChildTaskIndex(Task task) {
return mChildren.indexOf(task);
}
/**
* @param index
* @return
* indexTask
*/
public Task getChildTaskByIndex(int index) {
if (index < 0 || index >= mChildren.size()) {
Log.e(TAG, "getTaskByIndex: invalid index");
@ -321,8 +343,13 @@ public class TaskList extends Node {
return mChildren.get(index);
}
/**
* @param gid
* @return
* gidTask
*/
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))
return task;
}
@ -340,4 +367,4 @@ public class TaskList extends Node {
public int getIndex() {
return this.mIndex;
}
}
}

@ -1,28 +1,27 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* Description便
*/
package net.micode.notes.gtask.exception;
public class ActionFailureException extends RuntimeException {
private static final long serialVersionUID = 4425249765923293627L;
/*
* serialVersionUIDjava
* serialVersionUID
* Made By Cuican
*/
public ActionFailureException() {
super();
}
/*
* JAVA使superthis.
* new
* 使super
* super()super (paramString)Exception ()Exception (paramString)
* Made By Cuican
*/
public ActionFailureException(String paramString) {
super(paramString);
}
@ -30,4 +29,4 @@ public class ActionFailureException extends RuntimeException {
public ActionFailureException(String paramString, Throwable paramThrowable) {
super(paramString, paramThrowable);
}
}
}

@ -1,28 +1,28 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* Description便
*/
package net.micode.notes.gtask.exception;
public class NetworkFailureException extends Exception {
private static final long serialVersionUID = 2107610287180234136L;
/*
* serialVersionUIDjava
* serialVersionUID
* Made By Cuican
*/
public NetworkFailureException() {
super();
}
/*
* JAVA使superthis.
* new
* 使super
* super()super (paramString)Exception ()Exception (paramString)
* Made By Cuican
*/
public NetworkFailureException(String paramString) {
super(paramString);
}
@ -30,4 +30,4 @@ public class NetworkFailureException extends Exception {
public NetworkFailureException(String paramString, Throwable paramThrowable) {
super(paramString, paramThrowable);
}
}
}

@ -1,36 +1,15 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.gtask.remote;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import net.micode.notes.R;
import net.micode.notes.ui.NotesListActivity;
import net.micode.notes.ui.NotesPreferenceActivity;
/*GTask
*
* private void showNotification(int tickerId, String content)
* protected Integer doInBackground(Void... unused) 线
* protected void onProgressUpdate(String... progress) 使 线
* protected void onPostExecute(Integer result) Handler UI使doInBackground UI
*/
public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
public interface OnCompleteListener {
@ -57,52 +36,52 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
mTaskManager.cancelSync();
}
public void publishProgess(String message) {
public void publishProgess(String message) { // 发布进度单位系统将会调用onProgressUpdate()方法更新这些值
publishProgress(new String[] {
message
message
});
}
private void showNotification(int tickerId, String content) {
Notification notification = new Notification(R.drawable.notification, mContext
.getString(tickerId), System.currentTimeMillis());
notification.defaults = Notification.DEFAULT_LIGHTS;
notification.flags = Notification.FLAG_AUTO_CANCEL;
PendingIntent pendingIntent;
notification.defaults = Notification.DEFAULT_LIGHTS; // 调用系统自带灯光
notification.flags = Notification.FLAG_AUTO_CANCEL; // 点击清除按钮或点击通知后会自动消失
PendingIntent pendingIntent; //一个描述了想要启动一个Activity、Broadcast或是Service的意图
if (tickerId != R.string.ticker_success) {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesPreferenceActivity.class), 0);
NotesPreferenceActivity.class), 0); //如果同步不成功那么从系统取得一个用于启动一个NotesPreferenceActivity的PendingIntent对象
} else {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesListActivity.class), 0);
NotesListActivity.class), 0); //如果同步成功那么从系统取得一个用于启动一个NotesListActivity的PendingIntent对象
}
notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content,
pendingIntent);
mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);
mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);//通过NotificationManager对象的notify方法来执行一个notification的消息
}
@Override
protected Integer doInBackground(Void... unused) {
publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
.getSyncAccountName(mContext)));
return mTaskManager.sync(mContext, this);
.getSyncAccountName(mContext))); //利用getString,将把 NotesPreferenceActivity.getSyncAccountName(mContext))的字符串内容传进sync_progress_login中
return mTaskManager.sync(mContext, this); //进行后台同步具体操作
}
@Override
protected void onProgressUpdate(String... progress) {
showNotification(R.string.ticker_syncing, progress[0]);
if (mContext instanceof GTaskSyncService) {
if (mContext instanceof GTaskSyncService) { //instanceof 判断mContext是否是GTaskSyncService的实例
((GTaskSyncService) mContext).sendBroadcast(progress[0]);
}
}
@Override
protected void onPostExecute(Integer result) {
protected void onPostExecute(Integer result) { //用于在执行完后台任务后更新UI,显示结果
if (result == GTaskManager.STATE_SUCCESS) {
showNotification(R.string.ticker_success, mContext.getString(
R.string.success_sync_account, mTaskManager.getSyncAccount()));
NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis());
NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); //设置最新同步的时间
} else if (result == GTaskManager.STATE_NETWORK_ERROR) {
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network));
} else if (result == GTaskManager.STATE_INTERNAL_ERROR) {
@ -110,14 +89,14 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
} else if (result == GTaskManager.STATE_SYNC_CANCELLED) {
showNotification(R.string.ticker_cancel, mContext
.getString(R.string.error_sync_cancelled));
}
} //几种不同情况下的结果显示
if (mOnCompleteListener != null) {
new Thread(new Runnable() {
new Thread(new Runnable() { //这里好像是方法内的一个线程,但是并不太懂什么意思
public void run() {
public void run() { //完成后的操作使用onComplete()将所有值都重新初始化,相当于完成一次操作
mOnCompleteListener.onComplete();
}
}).start();
}
}
}
}

@ -1,70 +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.gtask.remote;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AccountManagerFuture;
import android.app.Activity;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import net.micode.notes.gtask.data.Node;
import net.micode.notes.gtask.data.Task;
import net.micode.notes.gtask.data.TaskList;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.gtask.exception.NetworkFailureException;
import net.micode.notes.tool.GTaskStringUtils;
import net.micode.notes.ui.NotesPreferenceActivity;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.cookie.Cookie;
import org.apache.http.impl.client.BasicCookieStore;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.LinkedList;
import java.util.List;
import java.util.zip.GZIPInputStream;
import java.util.zip.Inflater;
import java.util.zip.InflaterInputStream;
/*
* GTASKGTASK
* 使accountManager JSONObject HttpParams authToken Gid
*/
public class GTaskClient {
private static final String TAG = GTaskClient.class.getSimpleName();
private static final String GTASK_URL = "https://mail.google.com/tasks/";
private static final String GTASK_URL = "https://mail.google.com/tasks/"; //这个是指定的URL
private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig";
@ -102,6 +45,10 @@ public class GTaskClient {
mUpdateArray = null;
}
/*
* 使 getInstance()
* mInstance
*/
public static synchronized GTaskClient getInstance() {
if (mInstance == null) {
mInstance = new GTaskClient();
@ -109,42 +56,50 @@ public class GTaskClient {
return mInstance;
}
/*Activity
*
* 使URL使URL
* truefalse
*/
public boolean login(Activity activity) {
// we suppose that the cookie would expire after 5 minutes
// then we need to re-login
//判断距离最后一次登录操作是否超过5分钟
final long interval = 1000 * 60 * 5;
if (mLastLoginTime + interval < System.currentTimeMillis()) {
mLoggedin = false;
}
// need to re-login after account switch
// need to re-login after account switch 重新登录操作
if (mLoggedin
&& !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity
.getSyncAccountName(activity))) {
.getSyncAccountName(activity))) {
mLoggedin = false;
}
//如果没超过时间,则不需要重新登录
if (mLoggedin) {
Log.d(TAG, "already logged in");
return true;
}
mLastLoginTime = System.currentTimeMillis();
String authToken = loginGoogleAccount(activity, false);
mLastLoginTime = System.currentTimeMillis();//更新最后登录时间,改为系统当前的时间
String authToken = loginGoogleAccount(activity, false);//判断是否登录到谷歌账户
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
}
// login with custom domain if necessary
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase()
//尝试使用用户自己的域名登录
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase() //将用户账号名改为统一格式(小写)后判断是否为一个谷歌账号地址
.endsWith("googlemail.com"))) {
StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
int index = mAccount.name.indexOf('@') + 1;
String suffix = mAccount.name.substring(index);
url.append(suffix + "/");
mGetUrl = url.toString() + "ig";
mPostUrl = url.toString() + "r/ig";
mGetUrl = url.toString() + "ig"; //设置用户对应的getUrl
mPostUrl = url.toString() + "r/ig"; //设置用户对应的postUrl
if (tryToLoginGtask(activity, authToken)) {
mLoggedin = true;
@ -152,6 +107,7 @@ public class GTaskClient {
}
// try to login with google official url
//如果用户账户无法登录则使用谷歌官方的URI进行登录
if (!mLoggedin) {
mGetUrl = GTASK_GET_URL;
mPostUrl = GTASK_POST_URL;
@ -164,10 +120,15 @@ public class GTaskClient {
return true;
}
/*
* 使
* 使AccountManager
*
*/
private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
String authToken;
AccountManager accountManager = AccountManager.get(activity);
Account[] accounts = accountManager.getAccountsByType("com.google");
String authToken; //令牌,是登录操作保证安全性的一个方法
AccountManager accountManager = AccountManager.get(activity);//AccountManager这个类给用户提供了集中注册账号的接口
Account[] accounts = accountManager.getAccountsByType("com.google");//获取全部以com.google结尾的account
if (accounts.length == 0) {
Log.e(TAG, "there is no available google account");
@ -176,6 +137,7 @@ public class GTaskClient {
String accountName = NotesPreferenceActivity.getSyncAccountName(activity);
Account account = null;
//遍历获得的accounts信息寻找已经记录过的账户信息
for (Account a : accounts) {
if (a.name.equals(accountName)) {
account = a;
@ -190,11 +152,13 @@ public class GTaskClient {
}
// get the token now
//获取选中账号的令牌
AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account,
"goanna_mobile", null, activity, null, null);
try {
Bundle authTokenBundle = accountManagerFuture.getResult();
authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN);
//如果是invalidateToken那么需要调用invalidateAuthToken(String, String)方法废除这个无效token
if (invalidateToken) {
accountManager.invalidateAuthToken("com.google", authToken);
loginGoogleAccount(activity, false);
@ -207,10 +171,12 @@ public class GTaskClient {
return authToken;
}
//尝试登陆Gtask这只是一个预先判断令牌是否是有效以及是否能登上GTask的方法,而不是具体实现登陆的方法
private boolean tryToLoginGtask(Activity activity, String authToken) {
if (!loginGtask(authToken)) {
// maybe the auth token is out of date, now let's invalidate the
// maybe the auth token is out of authTokedate, now let's invalidate the
// token and try again
//删除过一个无效的authToken申请一个新的后再次尝试登陆
authToken = loginGoogleAccount(activity, true);
if (authToken == null) {
Log.e(TAG, "login google account failed");
@ -225,25 +191,27 @@ public class GTaskClient {
return true;
}
//实现登录GTask的具体操作
private boolean loginGtask(String authToken) {
int timeoutConnection = 10000;
int timeoutSocket = 15000;
HttpParams httpParameters = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
int timeoutSocket = 15000; //socket是一种通信连接实现数据的交换的端口
HttpParams httpParameters = new BasicHttpParams(); //实例化一个新的HTTP参数类
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);//设置连接超时时间
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);//设置设置端口超时时间
mHttpClient = new DefaultHttpClient(httpParameters);
BasicCookieStore localBasicCookieStore = new BasicCookieStore();
BasicCookieStore localBasicCookieStore = new BasicCookieStore(); //设置本地cookie
mHttpClient.setCookieStore(localBasicCookieStore);
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);
// login gtask
try {
String loginUrl = mGetUrl + "?auth=" + authToken;
HttpGet httpGet = new HttpGet(loginUrl);
String loginUrl = mGetUrl + "?auth=" + authToken; //设置登录的url
HttpGet httpGet = new HttpGet(loginUrl); //通过登录的uri实例化网页上资源的查找
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
// get the cookie now
//获取CookieStore里存放的cookie,看如果存有“GTL(不知道什么意思)”则说明有验证成功的有效的cookie
List<Cookie> cookies = mHttpClient.getCookieStore().getCookies();
boolean hasAuthCookie = false;
for (Cookie cookie : cookies) {
@ -256,6 +224,7 @@ public class GTaskClient {
}
// get the client version
//获取client的内容具体操作是在返回的Content中截取从_setup(开始到)}</script>中间的字符串内容也就是gtask_url的内容
String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup(";
String jsEnd = ")}</script>";
@ -284,6 +253,10 @@ public class GTaskClient {
return mActionId++;
}
/*
* 使HttpPost
* httpPost
*/
private HttpPost createHttpPost() {
HttpPost httpPost = new HttpPost(mPostUrl);
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
@ -291,24 +264,28 @@ public class GTaskClient {
return httpPost;
}
/*URL
* 使getContentEncoding()
*
*/
private String getResponseContent(HttpEntity entity) throws IOException {
String contentEncoding = null;
if (entity.getContentEncoding() != null) {
if (entity.getContentEncoding() != null) {//通过URL得到HttpEntity对象如果不为空则使用getContent方法创建一个流将数据从网络都过来
contentEncoding = entity.getContentEncoding().getValue();
Log.d(TAG, "encoding: " + contentEncoding);
}
InputStream input = entity.getContent();
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {//GZIP是使用DEFLATE进行压缩数据的另一个压缩库
input = new GZIPInputStream(entity.getContent());
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {//DEFLATE是一个无专利的压缩算法它可以实现无损数据压缩
Inflater inflater = new Inflater(true);
input = new InflaterInputStream(entity.getContent(), inflater);
}
try {
InputStreamReader isr = new InputStreamReader(input);
BufferedReader br = new BufferedReader(isr);
BufferedReader br = new BufferedReader(isr);//是一个包装类,它可以包装字符流,将字符流放入缓存里,先把字符读到缓存里,到缓存满了时候,再读入内存,是为了提供读的效率而设计的
StringBuilder sb = new StringBuilder();
while (true) {
@ -323,20 +300,28 @@ public class GTaskClient {
}
}
/*JSON
* jsonjs
* UrlEncodedFormEntity entityhttpPost.setEntity(entity)jshttpPost
* 使getResponseContent
* json
*/
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
if (!mLoggedin) {
if (!mLoggedin) {//未登录
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in");
}
//实例化一个httpPost的对象用来向服务器传输数据在这里就是发送请求而请求的内容在js里
HttpPost httpPost = createHttpPost();
try {
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
list.add(new BasicNameValuePair("r", js.toString()));
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8");
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); //UrlEncodedFormEntity()的形式比较单一,是普通的键值对
httpPost.setEntity(entity);
// execute the post
//执行这个请求
HttpResponse response = mHttpClient.execute(httpPost);
String jsString = getResponseContent(response.getEntity());
return new JSONObject(jsString);
@ -360,6 +345,12 @@ public class GTaskClient {
}
}
/*
* .gtask.data.TaskTask
* jsonTask,jsPost
* postRequest
* 使task.setGidtasknew_ID
*/
public void createTask(Task task) throws NetworkFailureException {
commitUpdate();
try {
@ -386,6 +377,9 @@ public class GTaskClient {
}
}
/*
* createTasktasklistgid
*/
public void createTaskList(TaskList tasklist) throws NetworkFailureException {
commitUpdate();
try {
@ -412,6 +406,11 @@ public class GTaskClient {
}
}
/*
*
* 使JSONObject使jsPost.putPutUpdateArrayClientVersion
* 使postRequestjspost,
*/
public void commitUpdate() throws NetworkFailureException {
if (mUpdateArray != null) {
try {
@ -433,6 +432,10 @@ public class GTaskClient {
}
}
/*
*
* commitUpdate()
*/
public void addUpdateNode(Node node) throws NetworkFailureException {
if (node != null) {
// too many update items may result in an error
@ -447,6 +450,12 @@ public class GTaskClient {
}
}
/*
* task,tasktask
* getGidtaskgid
* JSONObject.put(String name, Object value)task
* postRequest
*/
public void moveTask(Task task, TaskList preParent, TaskList curParent)
throws NetworkFailureException {
commitUpdate();
@ -463,15 +472,17 @@ public class GTaskClient {
if (preParent == curParent && task.getPriorSibling() != null) {
// put prioring_sibing_id only if moving within the tasklist and
// it is not the first one
//设置优先级ID只有当移动是发生在文件中
action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling());
}
action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid());
action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid());
action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid()); //设置移动前所属列表
action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid()); //设置当前所属列表
if (preParent != curParent) {
// put the dest_list only if moving between tasklists
action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
}
actionList.put(action);
//最后将ACTION_LIST加入到jsPost中
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
@ -486,6 +497,11 @@ public class GTaskClient {
}
}
/*
*
* JSON
* 使postRequest
*/
public void deleteNode(Node node) throws NetworkFailureException {
commitUpdate();
try {
@ -494,7 +510,7 @@ public class GTaskClient {
// action_list
node.setDeleted(true);
actionList.put(node.getUpdateAction(getActionId()));
actionList.put(node.getUpdateAction(getActionId())); //这里会获取到删除操作的ID加入到actionLiast中
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
@ -509,6 +525,11 @@ public class GTaskClient {
}
}
/*
*
* GetURI使getResponseContent
* "_setup(")}</script>GTASK_JSON_LISTS
*/
public JSONArray getTaskLists() throws NetworkFailureException {
if (!mLoggedin) {
Log.e(TAG, "please login first");
@ -521,6 +542,7 @@ public class GTaskClient {
response = mHttpClient.execute(httpGet);
// get the task list
//筛选工作把筛选出的字符串放入jsString
String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup(";
String jsEnd = ")}</script>";
@ -531,6 +553,7 @@ public class GTaskClient {
jsString = resString.substring(begin + jsBegin.length(), end);
}
JSONObject js = new JSONObject(jsString);
//获取GTASK_JSON_LISTS
return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS);
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
@ -547,6 +570,9 @@ public class GTaskClient {
}
}
/*
* TASKListgid,
*/
public JSONArray getTaskList(String listGid) throws NetworkFailureException {
commitUpdate();
try {
@ -558,7 +584,7 @@ public class GTaskClient {
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid);
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid); //这里设置为传入的listGid
action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false);
actionList.put(action);
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
@ -579,7 +605,8 @@ public class GTaskClient {
return mAccount;
}
//重置更新的内容
public void resetUpdateArray() {
mUpdateArray = null;
}
}
}

@ -1,119 +1,73 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.gtask.remote;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.util.Log;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.data.MetaData;
import net.micode.notes.gtask.data.Node;
import net.micode.notes.gtask.data.SqlNote;
import net.micode.notes.gtask.data.Task;
import net.micode.notes.gtask.data.TaskList;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.gtask.exception.NetworkFailureException;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.GTaskStringUtils;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
public class GTaskManager {
private static final String TAG = GTaskManager.class.getSimpleName();
public static final int STATE_SUCCESS = 0;
public static final int STATE_NETWORK_ERROR = 1;
public static final int STATE_INTERNAL_ERROR = 2;
public static final int STATE_SYNC_IN_PROGRESS = 3;
public static final int STATE_SYNC_CANCELLED = 4;
private static GTaskManager mInstance = null;
private Activity mActivity;
private Context mContext;
private ContentResolver mContentResolver;
private boolean mSyncing;
private boolean mCancelled;
private HashMap<String, TaskList> mGTaskListHashMap;
private HashMap<String, Node> mGTaskHashMap;
private HashMap<String, MetaData> mMetaHashMap;
private TaskList mMetaList;
private HashSet<Long> mLocalDeleteIdMap;
private HashMap<String, Long> mGidToNid;
private HashMap<Long, String> mNidToGid;
private GTaskManager() {
mSyncing = false;
mCancelled = false;
mGTaskListHashMap = new HashMap<String, TaskList>();
private GTaskManager() { //对象初始化函数
mSyncing = false; //正在同步,flase代表未执行
mCancelled = false; //全局标识flase代表可以执行
mGTaskListHashMap = new HashMap<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>();
mMetaHashMap = new HashMap<String, MetaData>();
mMetaList = null;
mLocalDeleteIdMap = new HashSet<Long>();
mGidToNid = new HashMap<String, Long>();
mNidToGid = new HashMap<Long, String>();
mGidToNid = new HashMap<String, Long>(); //GoogleID to NodeID??
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) {
mInstance = new GTaskManager();
}
return mInstance;
}
/**
* synchronized线
* @author TTS
* @param activity
*/
public synchronized void setActivityContext(Activity activity) {
// used for getting authtoken
// used for getting auth token
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) {
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;
}
mContext = context;
@ -128,8 +82,8 @@ public class GTaskManager {
mNidToGid.clear();
try {
GTaskClient client = GTaskClient.getInstance();
client.resetUpdateArray();
GTaskClient client = GTaskClient.getInstance(); //getInstance即为创建一个实例,client--客户机
client.resetUpdateArray(); //JSONArray类型reset即置为NULL
// login google task
if (!mCancelled) {
@ -140,15 +94,15 @@ public class GTaskManager {
// get the task list from google
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
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing));
syncContent();
} catch (NetworkFailureException e) {
Log.e(TAG, e.toString());
} catch (NetworkFailureException e) { //分为两种异常,此类异常为网络异常
Log.e(TAG, e.toString()); //创建日志文件调试信息error
return STATE_NETWORK_ERROR;
} catch (ActionFailureException e) {
} catch (ActionFailureException e) { //此类异常为操作异常
Log.e(TAG, e.toString());
return STATE_INTERNAL_ERROR;
} catch (Exception e) {
@ -168,32 +122,41 @@ public class GTaskManager {
return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS;
}
/**
*GtaskListGoogleJSONtasklistTaskList
*mMetaListmGTaskListHashMapmGTaskHashMap
*@author TTS
*@exception NetworkFailureException
*@return void
*/
private void initGTaskList() throws NetworkFailureException {
if (mCancelled)
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 {
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
mMetaList = null;
mMetaList = null; //TaskList类型
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 name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
if (name
.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) {
mMetaList = new TaskList();
mMetaList.setContentByRemoteJSON(object);
if (name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) {
mMetaList = new TaskList(); //MetaList意为元表,Tasklist类型此处为初始化
mMetaList.setContentByRemoteJSON(object); //将JSON中部分数据复制到自己定义的对象中相对应的数据name->mname...
// load meta data
JSONArray jsMetas = client.getTaskList(gid);
JSONArray jsMetas = client.getTaskList(gid); //原注释为get action_list------list
for (int j = 0; j < jsMetas.length(); j++) {
object = (JSONObject) jsMetas.getJSONObject(j);
MetaData metaData = new MetaData();
MetaData metaData = new MetaData(); //继承自Node
metaData.setContentByRemoteJSON(object);
if (metaData.isWorthSaving()) {
if (metaData.isWorthSaving()) { //if not worth to savemetadata将不加入mMetaList
mMetaList.addChildTask(metaData);
if (metaData.getGid() != null) {
mMetaHashMap.put(metaData.getRelatedGid(), metaData);
@ -214,16 +177,16 @@ public class GTaskManager {
// init task list
for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(i);
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); //通过getString函数传入本地某个标志数据的名称获取其在远端的名称。
String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)
&& !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX
+ GTaskStringUtils.FOLDER_META)) {
TaskList tasklist = new TaskList();
+ GTaskStringUtils.FOLDER_META)) {
TaskList tasklist = new TaskList(); //继承自Node
tasklist.setContentByRemoteJSON(object);
mGTaskListHashMap.put(gid, tasklist);
mGTaskHashMap.put(gid, tasklist);
mGTaskHashMap.put(gid, tasklist); //为什么加两遍???
// load tasks
JSONArray jsTasks = client.getTaskList(gid);
@ -247,13 +210,18 @@ 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;
Cursor c = null;
String gid;
Node node;
Cursor c = null; //数据库指针
String gid; //GoogleID??
Node node; //Node包含Sync_Action的不同类型
mLocalDeleteIdMap.clear();
mLocalDeleteIdMap.clear(); //HashSet<Long>类型
if (mCancelled) {
return;
@ -301,8 +269,8 @@ public class GTaskManager {
node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN));
mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid);
mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN)); //通过hashmap建立联系
mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid); //通过hashmap建立联系
syncType = node.getSyncAction(c);
} else {
if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
@ -327,14 +295,14 @@ public class GTaskManager {
}
// 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()) {
Map.Entry<String, Node> entry = iter.next();
node = entry.getValue();
doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
}
// mCancelled can be set by another thread, so we neet to check one by
// mCancelled can be set by another thread, so we neet to check one by //thread----线程
// one
// clear local delete table
if (!mCancelled) {
@ -351,6 +319,11 @@ public class GTaskManager {
}
/**
*
* @author TTS
* @throws NetworkFailureException
*/
private void syncFolder() throws NetworkFailureException {
Cursor c = null;
String gid;
@ -394,7 +367,7 @@ public class GTaskManager {
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, "(_id=?)",
new String[] {
String.valueOf(Notes.ID_CALL_RECORD_FOLDER)
String.valueOf(Notes.ID_CALL_RECORD_FOLDER)
}, null);
if (c != null) {
if (c.moveToNext()) {
@ -476,6 +449,14 @@ public class GTaskManager {
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 {
if (mCancelled) {
return;
@ -522,6 +503,12 @@ public class GTaskManager {
}
}
/**
* Node
* @author TTS
* @param node
* @throws NetworkFailureException
*/
private void addLocalNode(Node node) throws NetworkFailureException {
if (mCancelled) {
return;
@ -596,6 +583,15 @@ public class GTaskManager {
updateRemoteMeta(node.getGid(), sqlNote);
}
/**
* updatenode
* @author TTS
* @param node
* ----
* @param c
* ----Cursor
* @throws NetworkFailureException
*/
private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
@ -619,12 +615,22 @@ public class GTaskManager {
updateRemoteMeta(node.getGid(), sqlNote);
}
/**
* Node
* updateRemoteMeta
* @author TTS
* @param node
* ----
* @param c
* --Cursor
* @throws NetworkFailureException
*/
private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
}
SqlNote sqlNote = new SqlNote(mContext, c);
SqlNote sqlNote = new SqlNote(mContext, c); //从本地mContext中获取内容
Node n;
// update remotely
@ -634,11 +640,12 @@ public class GTaskManager {
String parentGid = mNidToGid.get(sqlNote.getParentId());
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");
}
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);
n = (Node) task;
@ -656,6 +663,7 @@ public class GTaskManager {
else
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();
while (iter.hasNext()) {
Map.Entry<String, TaskList> entry = iter.next();
@ -687,11 +695,20 @@ public class GTaskManager {
sqlNote.resetLocalModified();
sqlNote.commit(true);
// gid-id mapping
// gid-id mapping //创建id间的映射
mGidToNid.put(n.getGid(), sqlNote.getId());
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 {
if (mCancelled) {
return;
@ -701,7 +718,7 @@ public class GTaskManager {
// update remotely
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
updateRemoteMeta(node.getGid(), sqlNote);
@ -710,15 +727,19 @@ public class GTaskManager {
if (sqlNote.isNoteType()) {
Task task = (Task) node;
TaskList preParentList = task.getParent();
//preParentList为通过node获取的父节点列表
String curParentGid = mNidToGid.get(sqlNote.getParentId());
//curParentGid为通过光标在数据库中找到sqlNote的mParentId再通过mNidToGid由long类型转为String类型的Gid
if (curParentGid == null) {
Log.e(TAG, "cannot find task's parent tasklist");
throw new ActionFailureException("cannot update remote task");
}
TaskList curParentList = mGTaskListHashMap.get(curParentGid);
//通过HashMap找到对应Gid的TaskList
if (preParentList != curParentList) {
if (preParentList != curParentList) { //?????????????
preParentList.removeChildTask(task);
curParentList.addChildTask(task);
GTaskClient.getInstance().moveTask(task, preParentList, curParentList);
@ -727,9 +748,19 @@ public class GTaskManager {
// clear local modified flag
sqlNote.resetLocalModified();
//commit到本地数据库
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 {
if (sqlNote != null && sqlNote.isNoteType()) {
MetaData metaData = mMetaHashMap.get(gid);
@ -746,12 +777,18 @@ public class GTaskManager {
}
}
/**
* syncID
* @author TTS
* @return void
* @throws NetworkFailureException
*/
private void refreshLocalSyncId() throws NetworkFailureException {
if (mCancelled) {
return;
}
// get the latest gtask list
// get the latest gtask list //获取最近的最晚的gtask list
mGTaskHashMap.clear();
mGTaskListHashMap.clear();
mMetaHashMap.clear();
@ -762,16 +799,16 @@ public class GTaskManager {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type<>? AND parent_id<>?)", new String[] {
String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
}, NoteColumns.TYPE + " DESC");
}, NoteColumns.TYPE + " DESC"); //query语句五个参数NoteColumns.TYPE + " DESC"-----为按类型递减顺序返回查询结果。new String[] {String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)}------为选择参数。"(type<>? AND parent_id<>?)"-------指明返回行过滤器。SqlNote.PROJECTION_NOTE--------应返回的数据列的名字。Notes.CONTENT_NOTE_URI--------contentProvider包含所有数据集所对应的uri
if (c != null) {
while (c.moveToNext()) {
String gid = c.getString(SqlNote.GTASK_ID_COLUMN);
Node node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
ContentValues values = new ContentValues();
ContentValues values = new ContentValues(); //在ContentValues中创建键值对。准备通过contentResolver写入数据
values.put(NoteColumns.SYNC_ID, node.getLastModified());
mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, //进行批量更改选择参数为NULL应该可以用insert替换参数分别为表名和需要更新的value对象。
c.getLong(SqlNote.ID_COLUMN)), values, null, null);
} else {
Log.e(TAG, "something is missed");
@ -790,11 +827,20 @@ public class GTaskManager {
}
}
/**
* ,mAccount.name
* @author TTS
* @return String
*/
public String getSyncAccount() {
return GTaskClient.getInstance().getSyncAccount().name;
}
/**
* mCancelledtrue
* @author TTS
*/
public void cancelSync() {
mCancelled = true;
}
}
}

@ -1,27 +1,20 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.gtask.remote;
import android.app.Activity;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;
/*
* 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 final static String ACTION_STRING_NAME = "sync_action_type";
@ -42,6 +35,7 @@ public class GTaskSyncService extends Service {
private static String mSyncProgress = "";
//开始一个同步的工作
private void startSync() {
if (mSyncTask == null) {
mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {
@ -52,10 +46,11 @@ public class GTaskSyncService extends Service {
}
});
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() {
if (mSyncTask != null) {
mSyncTask.cancelSync();
@ -63,7 +58,7 @@ public class GTaskSyncService extends Service {
}
@Override
public void onCreate() {
public void onCreate() { //初始化一个service
mSyncTask = null;
}
@ -72,6 +67,7 @@ public class GTaskSyncService extends Service {
Bundle bundle = intent.getExtras();
if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) {
switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) {
//两种情况,开始同步或者取消同步
case ACTION_START_SYNC:
startSync();
break;
@ -81,7 +77,7 @@ public class GTaskSyncService extends Service {
default:
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);
}
@ -93,26 +89,26 @@ public class GTaskSyncService extends Service {
}
}
public IBinder onBind(Intent intent) {
public IBinder onBind(Intent intent) { //不知道干吗用的
return null;
}
public void sendBroadcast(String msg) {
mSyncProgress = msg;
Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME);
intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null);
Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME); //创建一个新的Intent
intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null); //附加INTENT中的相应参数的值
intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg);
sendBroadcast(intent);
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);
Intent intent = new Intent(activity, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC);
activity.startService(intent);
}
public static void cancelSync(Context context) {
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.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC);
context.startService(intent);
@ -125,4 +121,4 @@ public class GTaskSyncService extends Service {
public static String getProgressString() {
return mSyncProgress;
}
}
}

@ -1,43 +1,21 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.model;
import android.content.ContentProviderOperation;
import android.content.ContentProviderResult;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.content.OperationApplicationException;
import android.net.Uri;
import android.os.RemoteException;
import android.util.Log;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.CallNote;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.Notes.TextNote;
import java.util.ArrayList;
import android.content.ContentProviderOperation;//批量的更新、插入、删除数据。
import android.content.ContentProviderResult;//操作的结果
import android.content.ContentUris;//用于添加和获取Uri后面的ID
import android.content.ContentValues;//一种用来存储基本数据类型数据的存储机制
import android.content.Context;//需要用该类来弄清楚调用者的实例
import android.content.OperationApplicationException;//操作应用程序容错
import android.net.Uri;//表示待操作的数据
import android.os.RemoteException;//远程容错
import android.util.Log;//输出日志,比如说出错、警告等
public class Note {
private ContentValues mNoteDiffValues;
// private ContentValues mNoteDiffValues;
ContentValues mNoteDiffValues;//
private NoteData mNoteData;
private static final String TAG = "Note";
/**
* Create a new note id for adding a new note to databases
*/
@ -49,66 +27,67 @@ public class Note {
values.put(NoteColumns.MODIFIED_DATE, createdTime);
values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
values.put(NoteColumns.LOCAL_MODIFIED, 1);
values.put(NoteColumns.PARENT_ID, folderId);
values.put(NoteColumns.PARENT_ID, folderId);//将数据写入数据库表格
Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
//ContentResolver()主要是实现外部应用对ContentProvider中的数据
//进行添加、删除、修改和查询操作
long noteId = 0;
try {
noteId = Long.valueOf(uri.getPathSegments().get(1));
} catch (NumberFormatException e) {
Log.e(TAG, "Get note id error :" + e.toString());
noteId = 0;
}
}//try-catch异常处理
if (noteId == -1) {
throw new IllegalStateException("Wrong note id:" + noteId);
}
return noteId;
}
public Note() {
mNoteDiffValues = new ContentValues();
mNoteData = new NoteData();
}
}//定义两个变量用来存储便签的数据,一个是存储便签属性、一个是存储便签内容
public void setNoteValue(String key, String value) {
mNoteDiffValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
}
}//设置数据库表格的标签属性数据
public void setTextData(String key, String value) {
mNoteData.setTextData(key, value);
}
}//设置数据库表格的标签文本内容的数据
public void setTextDataId(long id) {
mNoteData.setTextDataId(id);
}
}//设置文本数据的ID
public long getTextDataId() {
return mNoteData.mTextDataId;
}
}//得到文本数据的ID
public void setCallDataId(long id) {
mNoteData.setCallDataId(id);
}
}//设置电话号码数据的ID
public void setCallData(String key, String value) {
mNoteData.setCallData(key, value);
}
}//得到电话号码数据的ID
public boolean isLocalModified() {
return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
}
}//判断是否是本地修改
public boolean syncNote(Context context, long noteId) {
if (noteId <= 0) {
throw new IllegalArgumentException("Wrong note id:" + noteId);
}
if (!isLocalModified()) {
return true;
}
/**
* In theory, once data changed, the note should be updated on {@link NoteColumns#LOCAL_MODIFIED} and
* {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the
@ -121,74 +100,74 @@ public class Note {
// Do not return, fall through
}
mNoteDiffValues.clear();
if (mNoteData.isLocalModified()
&& (mNoteData.pushIntoContentResolver(context, noteId) == null)) {
return false;
}
return true;
}
private class NoteData {
}//判断数据是否同步
private class NoteData {//定义一个基本的便签内容的数据类,主要包含文本数据和电话号码数据
private long mTextDataId;
private ContentValues mTextDataValues;
private ContentValues mTextDataValues;//文本数据
private long mCallDataId;
private ContentValues mCallDataValues;
private ContentValues mCallDataValues;//电话号码数据
private static final String TAG = "NoteData";
public NoteData() {
mTextDataValues = new ContentValues();
mCallDataValues = new ContentValues();
mTextDataId = 0;
mCallDataId = 0;
}
//下面是上述几个函数的具体实现
boolean isLocalModified() {
return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
}
void setTextDataId(long id) {
if(id <= 0) {
throw new IllegalArgumentException("Text data id should larger than 0");
}
mTextDataId = id;
}
void setCallDataId(long id) {
if (id <= 0) {
throw new IllegalArgumentException("Call data id should larger than 0");
}
mCallDataId = id;
}
void setCallData(String key, String value) {
mCallDataValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
}
void setTextData(String key, String value) {
mTextDataValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
}
//下面函数的作用是将新的数据通过Uri的操作存储到数据库
Uri pushIntoContentResolver(Context context, long noteId) {
/**
* Check for safety
*/
if (noteId <= 0) {
throw new IllegalArgumentException("Wrong note id:" + noteId);
}
}//判断数据是否合法
ArrayList<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) {
mTextDataValues.put(DataColumns.NOTE_ID, noteId);
if (mTextDataId == 0) {
@ -209,8 +188,8 @@ public class Note {
operationList.add(builder.build());
}
mTextDataValues.clear();
}
}//把文本数据存入DataColumns
if(mCallDataValues.size() > 0) {
mCallDataValues.put(DataColumns.NOTE_ID, noteId);
if (mCallDataId == 0) {
@ -231,8 +210,8 @@ public class Note {
operationList.add(builder.build());
}
mCallDataValues.clear();
}
}//把电话号码数据存入DataColumns
if (operationList.size() > 0) {
try {
ContentProviderResult[] results = context.getContentResolver().applyBatch(
@ -246,8 +225,8 @@ public class Note {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
return null;
}
}
}//存储过程中的异常处理
return null;
}
}
}
}

@ -1,37 +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.model;
import android.appwidget.AppWidgetManager;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.text.TextUtils;
import android.util.Log;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.CallNote;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.Notes.TextNote;
import net.micode.notes.tool.ResourceParser.NoteBgResources;
public class WorkingNote {
// Note for the working note
private Note mNote;
@ -41,27 +9,22 @@ public class WorkingNote {
private String mContent;
// Note mode
private int mMode;
private long mAlertDate;
private long mModifiedDate;
private int mBgColorId;
private int mWidgetId;
private int mWidgetType;
private long mFolderId;
private Context mContext;
private static final String TAG = "WorkingNote";
private boolean mIsDeleted;
private NoteSettingChangedListener mNoteSettingStatusListener;
// 声明 DATA_PROJECTION字符串数组
public static final String[] DATA_PROJECTION = new String[] {
DataColumns.ID,
DataColumns.CONTENT,
@ -71,7 +34,8 @@ public class WorkingNote {
DataColumns.DATA3,
DataColumns.DATA4,
};
// 声明 NOTE_PROJECTION字符串数组
public static final String[] NOTE_PROJECTION = new String[] {
NoteColumns.PARENT_ID,
NoteColumns.ALERTED_DATE,
@ -80,29 +44,20 @@ public class WorkingNote {
NoteColumns.WIDGET_TYPE,
NoteColumns.MODIFIED_DATE
};
private static final int DATA_ID_COLUMN = 0;
private static final int DATA_CONTENT_COLUMN = 1;
private static final int DATA_MIME_TYPE_COLUMN = 2;
private static final int DATA_MODE_COLUMN = 3;
private static final int NOTE_PARENT_ID_COLUMN = 0;
private static final int NOTE_ALERTED_DATE_COLUMN = 1;
private static final int NOTE_BG_COLOR_ID_COLUMN = 2;
private static final int NOTE_WIDGET_ID_COLUMN = 3;
private static final int NOTE_WIDGET_TYPE_COLUMN = 4;
private static final int NOTE_MODIFIED_DATE_COLUMN = 5;
// New note construct
private WorkingNote(Context context, long folderId) {
public WorkingNote(Context context, long folderId) {
mContext = context;
mAlertDate = 0;
mModifiedDate = System.currentTimeMillis();
@ -113,7 +68,8 @@ public class WorkingNote {
mMode = 0;
mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
}
// WorkingNote的构造函数
// Existing note construct
private WorkingNote(Context context, long noteId, long folderId) {
mContext = context;
@ -123,12 +79,15 @@ public class WorkingNote {
mNote = new Note();
loadNote();
}
// 加载Note
// 通过数据库调用query函数找到第一个条目
private void loadNote() {
Cursor cursor = mContext.getContentResolver().query(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null,
null, null);
// 若存在,储存相应信息
if (cursor != null) {
if (cursor.moveToFirst()) {
mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN);
@ -139,21 +98,24 @@ public class WorkingNote {
mModifiedDate = cursor.getLong(NOTE_MODIFIED_DATE_COLUMN);
}
cursor.close();
// 若不存在,报错
} else {
Log.e(TAG, "No note with id:" + mNoteId);
throw new IllegalArgumentException("Unable to find note with id " + mNoteId);
}
loadNoteData();
}
// 加载NoteData
private void loadNoteData() {
Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION,
DataColumns.NOTE_ID + "=?", new String[] {
String.valueOf(mNoteId)
}, null);
if (cursor != null) {
if (cursor.moveToFirst()) {
// 查到信息不为空
if (cursor.moveToFirst()) { // 查看第一项是否存在
do {
String type = cursor.getString(DATA_MIME_TYPE_COLUMN);
if (DataConstants.NOTE.equals(type)) {
@ -165,7 +127,7 @@ public class WorkingNote {
} else {
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();
} else {
@ -173,31 +135,35 @@ public class WorkingNote {
throw new IllegalArgumentException("Unable to find note's data with id " + mNoteId);
}
}
// 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,
int widgetType, int defaultBgColorId) {
WorkingNote note = new WorkingNote(context, folderId);
// 设定相关属性
note.setBgColorId(defaultBgColorId);
note.setWidgetId(widgetId);
note.setWidgetType(widgetType);
return note;
}
public static WorkingNote load(Context context, long id) {
return new WorkingNote(context, id, 0);
}
// 保存Note
public synchronized boolean saveNote() {
if (isWorthSaving()) {
if (!existInDatabase()) {
if (isWorthSaving()) { //是否值得保存
if (!existInDatabase()) { // 是否存在数据库中
if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) {
Log.e(TAG, "Create new note fail with id:" + mNoteId);
return false;
}
}
mNote.syncNote(mContext, mNoteId);
/**
* Update widget content if there exist any widget of this note
*/
@ -211,12 +177,15 @@ public class WorkingNote {
return false;
}
}
// 是否在数据库中存在
public boolean existInDatabase() {
return mNoteId > 0;
}
// 是否值得保存
private boolean isWorthSaving() {
// 被删除,或(不在数据库中 内容为空),或 本地已保存过
if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent))
|| (existInDatabase() && !mNote.isLocalModified())) {
return false;
@ -224,11 +193,15 @@ public class WorkingNote {
return true;
}
}
// 设置mNoteSettingStatusListener
public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) {
mNoteSettingStatusListener = l;
}
// 设置AlertDate
// 若 mAlertDate与data不同则更改mAlertDate并设定NoteValue
public void setAlertDate(long date, boolean set) {
if (date != mAlertDate) {
mAlertDate = date;
@ -238,17 +211,21 @@ public class WorkingNote {
mNoteSettingStatusListener.onClockAlertChanged(date, set);
}
}
// 设定删除标记
public void markDeleted(boolean mark) {
// 设定标记
mIsDeleted = mark;
if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID
&& mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) {
mNoteSettingStatusListener.onWidgetChanged();
// 调用mNoteSettingStatusListener的 onWidgetChanged方法
}
}
// 设定背景颜色
public void setBgColorId(int id) {
if (id != mBgColorId) {
if (id != mBgColorId) { //设定条件 id != mBgColorId
mBgColorId = id;
if (mNoteSettingStatusListener != null) {
mNoteSettingStatusListener.onBackgroundColorChanged();
@ -256,9 +233,11 @@ public class WorkingNote {
mNote.setNoteValue(NoteColumns.BG_COLOR_ID, String.valueOf(id));
}
}
// 设定检查列表模式
// 参数mode
public void setCheckListMode(int mode) {
if (mMode != mode) {
if (mMode != mode) { //设定条件 mMode != mode
if (mNoteSettingStatusListener != null) {
mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode);
}
@ -266,98 +245,125 @@ public class WorkingNote {
mNote.setTextData(TextNote.MODE, String.valueOf(mMode));
}
}
// 设定WidgetType
// 参数type
public void setWidgetType(int type) {
if (type != mWidgetType) {
if (type != mWidgetType) {//设定条件 type != mWidgetType
mWidgetType = type;
mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType));
// 调用Note的setNoteValue方法更改WidgetType
}
}
// 设定WidgetId
// 参数id
public void setWidgetId(int id) {
if (id != mWidgetId) {
if (id != mWidgetId) {//设定条件 id != mWidgetId
mWidgetId = id;
mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId));
// 调用Note的setNoteValue方法更改WidgetId
}
}
// 设定WorkingTex
// 参数更改的text
public void setWorkingText(String text) {
if (!TextUtils.equals(mContent, text)) {
if (!TextUtils.equals(mContent, text)) {//设定条件 mContent, text内容不同
mContent = text;
mNote.setTextData(DataColumns.CONTENT, mContent);
// 调用Note的setTextData方法更改WorkingText
}
}
// 转变mNote的CallData及CallNote信息
// 参数String phoneNumber, long callDate
public void convertToCallNote(String phoneNumber, long callDate) {
mNote.setCallData(CallNote.CALL_DATE, String.valueOf(callDate));
mNote.setCallData(CallNote.PHONE_NUMBER, phoneNumber);
mNote.setNoteValue(NoteColumns.PARENT_ID, String.valueOf(Notes.ID_CALL_RECORD_FOLDER));
}
// 判断是否有时钟题型
public boolean hasClockAlert() {
return (mAlertDate > 0 ? true : false);
}
// 获取Content
public String getContent() {
return mContent;
}
// 获取AlertDate
public long getAlertDate() {
return mAlertDate;
}
// 获取ModifiedDate
public long getModifiedDate() {
return mModifiedDate;
}
// 获取背景颜色来源id
public int getBgColorResId() {
return NoteBgResources.getNoteBgResource(mBgColorId);
}
// 获取背景颜色id
public int getBgColorId() {
return mBgColorId;
}
// 获取标题背景颜色id
public int getTitleBgResId() {
return NoteBgResources.getNoteTitleBgResource(mBgColorId);
}
// 获取CheckListMode
public int getCheckListMode() {
return mMode;
}
// 获取便签id
public long getNoteId() {
return mNoteId;
}
// 获取文件夹id
public long getFolderId() {
return mFolderId;
}
// 获取WidgetId
public int getWidgetId() {
return mWidgetId;
}
// 获取WidgetType
public int getWidgetType() {
return mWidgetType;
}
public interface NoteSettingChangedListener {
// 创建接口 NoteSettingChangedListener,便签更新监视
// 为NoteEditActivity提供接口
// 提供函数有
public interface NoteSettingChangedListener {
/**
* Called when the background color of current note has just changed
*/
void onBackgroundColorChanged();
/**
* Called when user set clock
*/
void onClockAlertChanged(long date, boolean set);
/**
* Call when user create note from widget
*/
void onWidgetChanged();
/**
* Call when switch between check list mode and normal mode
* @param oldMode is previous mode before change
@ -365,4 +371,4 @@ public class WorkingNote {
*/
void onCheckListModeChanged(int oldMode, int newMode);
}
}
}

@ -1,90 +1,58 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.tool;
import android.content.Context;
import android.database.Cursor;
import android.os.Environment;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.util.Log;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
public class BackupUtils {
private static final String TAG = "BackupUtils";
private static final String TAG = "BackupUtils";
// 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) {
//ynchronized 关键字,代表这个方法加锁,相当于不管哪一个线程例如线程A
//运行到这个方法时,都要检查有没有其它线程B或者C、 D等正在用这个方法(或者该类的其他同步方法)有的话要等正在使用synchronized方法的线程B或者C 、D运行完这个方法后再运行此线程A,没有的话,锁定调用者,然后直接运行。
//它包括两种用法synchronized 方法和 synchronized 块。
if (sInstance == null) {
//如果当前备份不存在,则新声明一个
sInstance = new BackupUtils(context);
}
return sInstance;
}
/**
* Following states are signs to represents backup or restore
* status
*/
// Currently, the sdcard is not mounted
public static final int STATE_SD_CARD_UNMOUONTED = 0;
// The backup file not exist
// Currently, the sdcard is not mounted SD卡没有被装入手机
public static final int STATE_SD_CARD_UNMOUONTED = 0;
// The backup file not exist 备份文件夹不存在
public static final int STATE_BACKUP_FILE_NOT_EXIST = 1;
// The data is not well formated, may be changed by other programs
// The data is not well formated, may be changed by other programs 数据已被破坏,可能被修改
public static final int STATE_DATA_DESTROIED = 2;
// Some run-time exception which causes restore or backup fails
// Some run-time exception which causes restore or backup fails 超时异常
public static final int STATE_SYSTEM_ERROR = 3;
// Backup or restore success
// Backup or restore success 成功存储
public static final int STATE_SUCCESS = 4;
private TextExport mTextExport;
private BackupUtils(Context context) {
private BackupUtils(Context context) { //初始化函数
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());
}
public int exportToText() {
return mTextExport.exportToText();
}
public String getExportedTextFileName() {
return mTextExport.mFileName;
}
public String getExportedTextFileDir() {
return mTextExport.mFileDirectory;
}
private static class TextExport {
private static final String[] NOTE_PROJECTION = {
NoteColumns.ID,
@ -92,13 +60,13 @@ public class BackupUtils {
NoteColumns.SNIPPET,
NoteColumns.TYPE
};
private static final int NOTE_COLUMN_ID = 0;
private static final int NOTE_COLUMN_MODIFIED_DATE = 1;
private static final int NOTE_COLUMN_SNIPPET = 2;
private static final String[] DATA_PROJECTION = {
DataColumns.CONTENT,
DataColumns.MIME_TYPE,
@ -107,71 +75,71 @@ public class BackupUtils {
DataColumns.DATA3,
DataColumns.DATA4,
};
private static final int DATA_COLUMN_CONTENT = 0;
private static final int DATA_COLUMN_MIME_TYPE = 1;
private static final int DATA_COLUMN_CALL_DATE = 2;
private static final int DATA_COLUMN_PHONE_NUMBER = 4;
private final String [] TEXT_FORMAT;
private static final int FORMAT_FOLDER_NAME = 0;
private static final int FORMAT_NOTE_DATE = 1;
private static final int FORMAT_NOTE_CONTENT = 2;
private Context mContext;
private String mFileName;
private String mFileDirectory;
public TextExport(Context context) {
TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note);
mContext = context;
mFileName = "";
mFileName = ""; //为什么为空?
mFileDirectory = "";
}
private String getFormat(int id) {
private String getFormat(int id) { //获取文本的组成部分
return TEXT_FORMAT[id];
}
/**
* Export the folder identified by folder id to text
*/
private void exportFolderToText(String folderId, PrintStream ps) {
// Query notes belong to this folder
private void exportFolderToText(String folderId, PrintStream ps) {
// Query notes belong to this folder 通过查询parent id是文件夹id的note来选出制定ID文件夹下的Note
Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] {
folderId
}, null);
if (notesCursor != null) {
if (notesCursor != null) {
if (notesCursor.moveToFirst()) {
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(
mContext.getString(R.string.format_datetime_mdhm),
notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE))));
// Query data belong to this note
String noteId = notesCursor.getString(NOTE_COLUMN_ID);
exportNoteToText(noteId, ps);
exportNoteToText(noteId, ps); //将文件导出到text
} while (notesCursor.moveToNext());
}
notesCursor.close();
}
}
/**
* Export note identified by id to a print stream
*/
private void exportNoteToText(String noteId, PrintStream ps) {
private void exportNoteToText(String noteId, PrintStream ps) {
Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI,
DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] {
noteId
}, null);
if (dataCursor != null) {
if (dataCursor != null) { //利用光标来扫描内容区别为callnote和note两种靠ps.printline输出
if (dataCursor.moveToFirst()) {
do {
String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE);
@ -180,8 +148,8 @@ public class BackupUtils {
String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER);
long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE);
String location = dataCursor.getString(DATA_COLUMN_CONTENT);
if (!TextUtils.isEmpty(phoneNumber)) {
if (!TextUtils.isEmpty(phoneNumber)) { //判断是否为空字符
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
phoneNumber));
}
@ -214,29 +182,29 @@ public class BackupUtils {
Log.e(TAG, e.toString());
}
}
/**
* 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()) {
Log.d(TAG, "Media was not mounted");
return STATE_SD_CARD_UNMOUONTED;
}
PrintStream ps = getExportToTextPrintStream();
if (ps == null) {
Log.e(TAG, "get print stream error");
return STATE_SYSTEM_ERROR;
}
// First export folder and its notes
// First export folder and its notes 导出文件夹,就是导出里面包含的便签
Cursor folderCursor = mContext.getContentResolver().query(
Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION,
"(" + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + " AND "
+ NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + ") OR "
+ NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER, null, null);
if (folderCursor != null) {
if (folderCursor.moveToFirst()) {
do {
@ -256,14 +224,14 @@ public class BackupUtils {
}
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(
Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION,
NoteColumns.TYPE + "=" + +Notes.TYPE_NOTE + " AND " + NoteColumns.PARENT_ID
+ "=0", null, null);
if (noteCursor != null) {
if (noteCursor.moveToFirst()) {
do {
@ -278,14 +246,14 @@ public class BackupUtils {
noteCursor.close();
}
ps.close();
return STATE_SUCCESS;
}
/**
* Get a print stream pointed to the file {@generateExportedTextFile}
*/
private PrintStream getExportToTextPrintStream() {
private PrintStream getExportToTextPrintStream() {
File file = generateFileMountedOnSDcard(mContext, R.string.file_path,
R.string.file_name_txt_format);
if (file == null) {
@ -297,7 +265,7 @@ public class BackupUtils {
PrintStream ps = null;
try {
FileOutputStream fos = new FileOutputStream(file);
ps = new PrintStream(fos);
ps = new PrintStream(fos); //将ps输出流输出到特定的文件目的就是导出到文件而不是直接输出
} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
@ -308,22 +276,22 @@ public class BackupUtils {
return ps;
}
}
/**
* Generate the text file to store imported data
*/
private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) {
StringBuilder sb = new StringBuilder();
sb.append(Environment.getExternalStorageDirectory());
sb.append(context.getString(filePathResId));
File filedir = new File(sb.toString());
sb.append(Environment.getExternalStorageDirectory()); //外部SD卡的存储路径
sb.append(context.getString(filePathResId)); //文件的存储路径
File filedir = new File(sb.toString()); //filedir应该就是用来存储路径信息
sb.append(context.getString(
fileNameFormatResId,
DateFormat.format(context.getString(R.string.format_date_ymd),
System.currentTimeMillis())));
File file = new File(sb.toString());
try {
try { //如果这些文件不存在,则新建
if (!filedir.exists()) {
filedir.mkdir();
}
@ -336,9 +304,9 @@ public class BackupUtils {
} catch (IOException e) {
e.printStackTrace();
}
// try catch 异常处理
return null;
}
}

@ -1,43 +1,8 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.tool;
import android.content.ContentProviderOperation;
import android.content.ContentProviderResult;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.OperationApplicationException;
import android.database.Cursor;
import android.os.RemoteException;
import android.util.Log;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.CallNote;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
import java.util.ArrayList;
import java.util.HashSet;
public class DataUtils {
public static final String TAG = "DataUtils";
public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) { //直接删除多个笔记
if (ids == null) {
Log.d(TAG, "the ids is null");
return true;
@ -46,19 +11,20 @@ public class DataUtils {
Log.d(TAG, "no id is in the hashset");
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) {
if(id == Notes.ID_ROOT_FOLDER) {
Log.e(TAG, "Don't delete system folder root");
continue;
}
} //如果发现是根文件夹,则不删除
ContentProviderOperation.Builder builder = ContentProviderOperation
.newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
operationList.add(builder.build());
.newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); //用newDelete实现删除功能
operationList.add(builder.build()); //
}
try {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);//主机名或叫Authority用于唯一标识这个ContentProvider外部调用者可以根据这个标识来找到它。
//数据库事务,数据库事务是由一组数据库操作序列组成,事务作为一个整体被执行
if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false;
@ -71,33 +37,33 @@ public class DataUtils {
}
return false;
}
public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) {
ContentValues values = new ContentValues();
values.put(NoteColumns.PARENT_ID, desFolderId);
values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId);
values.put(NoteColumns.LOCAL_MODIFIED, 1);
resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null);
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,
long folderId) {
if (ids == null) {
Log.d(TAG, "the ids is null");
return true;
}
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
for (long id : ids) {
ContentProviderOperation.Builder builder = ContentProviderOperation
.newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
.newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); //通过withAppendedId方法为该Uri加上ID
builder.withValue(NoteColumns.PARENT_ID, folderId);
builder.withValue(NoteColumns.LOCAL_MODIFIED, 1);
operationList.add(builder.build());
}
}//将ids里包含的每一列的数据逐次加入到operationList中等待最后的批量处理
try {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); //applyBatch一次性处理一个操作列表
if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false;
@ -110,7 +76,7 @@ public class DataUtils {
}
return false;
}
/**
* Get the all folder count except system folders {@link Notes#TYPE_SYSTEM}}
*/
@ -119,13 +85,13 @@ public class DataUtils {
new String[] { "COUNT(*)" },
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
null);
null); //筛选条件源文件不为trash folder
int count = 0;
if(cursor != null) {
if(cursor.moveToFirst()) {
try {
count = cursor.getInt(0);
count = cursor.getInt(0);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, "get folder count failed:" + e.toString());
} finally {
@ -134,29 +100,29 @@ public class DataUtils {
}
}
return count;
}
}
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,
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
new String [] {String.valueOf(type)},
null);
new String [] {String.valueOf(type)},
null); //查询条件type符合且不属于垃圾文件夹
boolean exist = false;
if (cursor != null) {
if (cursor.getCount() > 0) {
if (cursor.getCount() > 0) {//用getcount函数判断cursor是否为空
exist = true;
}
cursor.close();
}
return exist;
}
public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) {
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
null, null, null, null);
boolean exist = false;
if (cursor != null) {
if (cursor.getCount() > 0) {
@ -166,11 +132,11 @@ public class DataUtils {
}
return exist;
}
public static boolean existInDataDatabase(ContentResolver resolver, long dataId) {
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId),
null, null, null, null);
boolean exist = false;
if (cursor != null) {
if (cursor.getCount() > 0) {
@ -180,13 +146,14 @@ public class DataUtils {
}
return exist;
}
public static boolean checkVisibleFolderName(ContentResolver resolver, String name) {
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,
NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER +
" AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER +
" AND " + NoteColumns.SNIPPET + "=?",
new String[] { name }, null);
//通过名字查询文件是否存在
boolean exist = false;
if(cursor != null) {
if(cursor.getCount() > 0) {
@ -196,14 +163,14 @@ public class DataUtils {
}
return exist;
}
public static HashSet<AppWidgetAttribute> getFolderNoteWidget(ContentResolver resolver, long folderId) {
Cursor c = resolver.query(Notes.CONTENT_NOTE_URI,
new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE },
NoteColumns.PARENT_ID + "=?",
new String[] { String.valueOf(folderId) },
null);
null); //查询条件父ID是传入的folderId;
HashSet<AppWidgetAttribute> set = null;
if (c != null) {
if (c.moveToFirst()) {
@ -211,26 +178,26 @@ public class DataUtils {
do {
try {
AppWidgetAttribute widget = new AppWidgetAttribute();
widget.widgetId = c.getInt(0);
widget.widgetType = c.getInt(1);
widget.widgetId = c.getInt(0); //0对应的NoteColumns.WIDGET_ID
widget.widgetType = c.getInt(1); //1对应的NoteColumns.WIDGET_TYPE
set.add(widget);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, e.toString());
}
} while (c.moveToNext());
} while (c.moveToNext()); //查询下一条
}
c.close();
}
return set;
}
public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) {
Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
new String [] { CallNote.PHONE_NUMBER },
CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?",
new String [] { String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE },
null);
if (cursor != null && cursor.moveToFirst()) {
try {
return cursor.getString(0);
@ -242,7 +209,7 @@ public class DataUtils {
}
return "";
}
public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) {
Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
new String [] { CallNote.NOTE_ID },
@ -250,11 +217,12 @@ public class DataUtils {
+ CallNote.PHONE_NUMBER + ",?)",
new String [] { String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber },
null);
//通过数据库操作查询条件是callDate和phoneNumber匹配传入参数的值
if (cursor != null) {
if (cursor.moveToFirst()) {
try {
return cursor.getLong(0);
return cursor.getLong(0); //0对应的CallNote.NOTE_ID
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, "Get call note id fails " + e.toString());
}
@ -263,14 +231,14 @@ public class DataUtils {
}
return 0;
}
public static String getSnippetById(ContentResolver resolver, long noteId) {
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
new String [] { NoteColumns.SNIPPET },
NoteColumns.ID + "=?",
new String [] { String.valueOf(noteId)},
null);
null);//查询条件noteId
if (cursor != null) {
String snippet = "";
if (cursor.moveToFirst()) {
@ -281,8 +249,7 @@ public class DataUtils {
}
throw new IllegalArgumentException("Note is not found with id: " + noteId);
}
public static String getFormattedSnippet(String snippet) {
public static String getFormattedSnippet(String snippet) { //对字符串进行格式处理,将字符串两头的空格去掉,同时将换行符去掉
if (snippet != null) {
snippet = snippet.trim();
int index = snippet.indexOf('\n');
@ -292,4 +259,5 @@ public class DataUtils {
}
return snippet;
}
}
}

@ -1,113 +1,99 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//简介定义了很多的静态字符串目的就是为了提供jsonObject中相应字符串的"key"。把这些静态的定义单独写到了一个类里面,这是非常好的编程规范
package net.micode.notes.tool;
public class GTaskStringUtils {
//这个类就是定义了一堆static string实际就是为jsonObject提供Key把这些定义全部写到一个类里方便查看管理是一个非常好的编程习惯
public class GTaskStringUtils {
public final static String GTASK_JSON_ACTION_ID = "action_id";
public final static String GTASK_JSON_ACTION_LIST = "action_list";
public final static String GTASK_JSON_ACTION_TYPE = "action_type";
public final static String GTASK_JSON_ACTION_TYPE_CREATE = "create";
public final static String GTASK_JSON_ACTION_TYPE_GETALL = "get_all";
public final static String GTASK_JSON_ACTION_TYPE_MOVE = "move";
public final static String GTASK_JSON_ACTION_TYPE_UPDATE = "update";
public final static String GTASK_JSON_CREATOR_ID = "creator_id";
public final static String GTASK_JSON_CHILD_ENTITY = "child_entity";
public final static String GTASK_JSON_CLIENT_VERSION = "client_version";
public final static String GTASK_JSON_COMPLETED = "completed";
public final static String GTASK_JSON_CURRENT_LIST_ID = "current_list_id";
public final static String GTASK_JSON_DEFAULT_LIST_ID = "default_list_id";
public final static String GTASK_JSON_DELETED = "deleted";
public final static String GTASK_JSON_DEST_LIST = "dest_list";
public final static String GTASK_JSON_DEST_PARENT = "dest_parent";
public final static String GTASK_JSON_DEST_PARENT_TYPE = "dest_parent_type";
public final static String GTASK_JSON_ENTITY_DELTA = "entity_delta";
public final static String GTASK_JSON_ENTITY_TYPE = "entity_type";
public final static String GTASK_JSON_GET_DELETED = "get_deleted";
public final static String GTASK_JSON_ID = "id";
public final static String GTASK_JSON_INDEX = "index";
public final static String GTASK_JSON_LAST_MODIFIED = "last_modified";
public final static String GTASK_JSON_LATEST_SYNC_POINT = "latest_sync_point";
public final static String GTASK_JSON_LIST_ID = "list_id";
public final static String GTASK_JSON_LISTS = "lists";
public final static String GTASK_JSON_NAME = "name";
public final static String GTASK_JSON_NEW_ID = "new_id";
public final static String GTASK_JSON_NOTES = "notes";
public final static String GTASK_JSON_PARENT_ID = "parent_id";
public final static String GTASK_JSON_PRIOR_SIBLING_ID = "prior_sibling_id";
public final static String GTASK_JSON_RESULTS = "results";
public final static String GTASK_JSON_SOURCE_LIST = "source_list";
public final static String GTASK_JSON_TASKS = "tasks";
public final static String GTASK_JSON_TYPE = "type";
public final static String GTASK_JSON_TYPE_GROUP = "GROUP";
public final static String GTASK_JSON_TYPE_TASK = "TASK";
public final static String GTASK_JSON_USER = "user";
public final static String MIUI_FOLDER_PREFFIX = "[MIUI_Notes]";
public final static String FOLDER_DEFAULT = "Default";
public final static String FOLDER_CALL_NOTE = "Call_Note";
public final static String FOLDER_META = "METADATA";
public final static String META_HEAD_GTASK_ID = "meta_gid";
public final static String META_HEAD_NOTE = "meta_note";
public final static String META_HEAD_DATA = "meta_data";
public final static String META_NOTE_NAME = "[META INFO] DON'T UPDATE AND DELETE";
}
}

@ -1,44 +1,35 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
package net.micode.notes.tool;/*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
*/
package net.micode.notes.tool;
import android.content.Context;
import android.preference.PreferenceManager;
import net.micode.notes.R;
import net.micode.notes.ui.NotesPreferenceActivity;
public class ResourceParser {
public static final int YELLOW = 0;
public static final int BLUE = 1;
public static final int WHITE = 2;
public static final int GREEN = 3;
public static final int RED = 4;
public static final int BG_DEFAULT_COLOR = YELLOW;
public static final int TEXT_SMALL = 0;
public static final int TEXT_MEDIUM = 1;
public static final int TEXT_LARGE = 2;
public static final int TEXT_SUPER = 3;
public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM;
public static class NoteBgResources {
private final static int [] BG_EDIT_RESOURCES = new int [] {
R.drawable.edit_yellow,
@ -47,7 +38,7 @@ public class ResourceParser {
R.drawable.edit_green,
R.drawable.edit_red
};
private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] {
R.drawable.edit_title_yellow,
R.drawable.edit_title_blue,
@ -55,17 +46,17 @@ public class ResourceParser {
R.drawable.edit_title_green,
R.drawable.edit_title_red
};
public static int getNoteBgResource(int id) {
return BG_EDIT_RESOURCES[id];
}
public static int getNoteTitleBgResource(int id) {
return BG_EDIT_TITLE_RESOURCES[id];
}
}
public static int getDefaultBgId(Context context) {
//直接获取默认的背景颜色。看不太懂这个PREFERENCE_SET_BG_COLOR_KEY是个final string,也就是说getBoolean肯定执行else为什么要这么写
public static int getDefaultBgId(Context context) {
if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length);
@ -73,7 +64,7 @@ public class ResourceParser {
return BG_DEFAULT_COLOR;
}
}
public static class NoteItemBgResources {
private final static int [] BG_FIRST_RESOURCES = new int [] {
R.drawable.list_yellow_up,
@ -82,7 +73,7 @@ public class ResourceParser {
R.drawable.list_green_up,
R.drawable.list_red_up
};
private final static int [] BG_NORMAL_RESOURCES = new int [] {
R.drawable.list_yellow_middle,
R.drawable.list_blue_middle,
@ -90,7 +81,7 @@ public class ResourceParser {
R.drawable.list_green_middle,
R.drawable.list_red_middle
};
private final static int [] BG_LAST_RESOURCES = new int [] {
R.drawable.list_yellow_down,
R.drawable.list_blue_down,
@ -98,7 +89,7 @@ public class ResourceParser {
R.drawable.list_green_down,
R.drawable.list_red_down,
};
private final static int [] BG_SINGLE_RESOURCES = new int [] {
R.drawable.list_yellow_single,
R.drawable.list_blue_single,
@ -106,28 +97,28 @@ public class ResourceParser {
R.drawable.list_green_single,
R.drawable.list_red_single
};
public static int getNoteBgFirstRes(int id) {
return BG_FIRST_RESOURCES[id];
}
public static int getNoteBgLastRes(int id) {
return BG_LAST_RESOURCES[id];
}
public static int getNoteBgSingleRes(int id) {
return BG_SINGLE_RESOURCES[id];
}
public static int getNoteBgNormalRes(int id) {
return BG_NORMAL_RESOURCES[id];
}
public static int getFolderBgRes() {
return R.drawable.list_folder;
}
}
public static class WidgetBgResources {
private final static int [] BG_2X_RESOURCES = new int [] {
R.drawable.widget_2x_yellow,
@ -136,11 +127,11 @@ public class ResourceParser {
R.drawable.widget_2x_green,
R.drawable.widget_2x_red,
};
public static int getWidget2xBgResource(int id) {
return BG_2X_RESOURCES[id];
}
private final static int [] BG_4X_RESOURCES = new int [] {
R.drawable.widget_4x_yellow,
R.drawable.widget_4x_blue,
@ -148,12 +139,12 @@ public class ResourceParser {
R.drawable.widget_4x_green,
R.drawable.widget_4x_red
};
public static int getWidget4xBgResource(int id) {
return BG_4X_RESOURCES[id];
}
}
public static class TextAppearanceResources {
private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] {
R.style.TextAppearanceNormal,
@ -161,7 +152,8 @@ public class ResourceParser {
R.style.TextAppearanceLarge,
R.style.TextAppearanceSuper
};
//这里有一个容错的函数防止输入的id大于资源总量若如此则自动返回默认的设置结果
public static int getTexAppearanceResource(int id) {
/**
* HACKME: Fix bug of store the resource id in shared preference.
@ -173,9 +165,9 @@ public class ResourceParser {
}
return TEXTAPPEARANCE_RESOURCES[id];
}
public static int getResourcesSize() {
return TEXTAPPEARANCE_RESOURCES.length;
}
}
}
}

@ -14,145 +14,138 @@
* limitations under the License.
*/
package net.micode.notes.ui;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.DialogInterface.OnDismissListener;
import android.content.Intent;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Bundle;
import android.os.PowerManager;
import android.provider.Settings;
import android.view.Window;
import android.view.WindowManager;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.DataUtils;
import java.io.IOException;
public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
private long mNoteId;
private String mSnippet;
private static final int SNIPPET_PREW_MAX_LEN = 60;
MediaPlayer mPlayer;
package net.micode.notes.ui; // 定义了该类的包路径
import android.app.Activity; // 导入Activity类用于创建Android活动
import android.app.AlertDialog; // 导入AlertDialog类用于创建对话框
import android.content.Context; // 导入Context类用于获取应用程序环境
import android.content.DialogInterface; // 导入DialogInterface类用于处理对话框事件
import android.content.DialogInterface.OnClickListener; // 导入OnClickListener接口用于处理对话框按钮点击事件
import android.content.DialogInterface.OnDismissListener; // 导入OnDismissListener接口用于处理对话框关闭事件
import android.content.Intent; // 导入Intent类用于启动活动和传递数据
import android.media.AudioManager; // 导入AudioManager类用于管理音频设置
import android.media.MediaPlayer; // 导入MediaPlayer类用于播放音频
import android.media.RingtoneManager; // 导入RingtoneManager类用于获取铃声
import android.net.Uri; // 导入Uri类用于表示资源路径
import android.os.Bundle; // 导入Bundle类用于保存活动状态
import android.os.PowerManager; // 导入PowerManager类用于管理电源设置
import android.provider.Settings; // 导入Settings类用于获取系统设置
import android.view.Window; // 导入Window类用于管理窗口
import android.view.WindowManager; // 导入WindowManager类用于管理窗口标志
import net.micode.notes.R; // 导入应用内部定义的资源类
import net.micode.notes.data.Notes; // 导入应用内部定义的笔记数据类
import net.micode.notes.tool.DataUtils; // 导入应用内部定义的数据工具类
import java.io.IOException; // 导入IOException类用于处理输入输出异常
public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener { // 定义AlarmAlertActivity类继承自Activity并实现OnClickListener和OnDismissListener接口
private long mNoteId; // 定义笔记的ID
private String mSnippet; // 定义笔记内容的简短预览
private static final int SNIPPET_PREW_MAX_LEN = 60; // 定义预览文本的最大长度
private MediaPlayer mPlayer; // 定义用于播放提醒声音的MediaPlayer对象
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
final Window win = getWindow();
win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
if (!isScreenOn()) {
win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
| WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
protected void onCreate(Bundle savedInstanceState) { // 重写onCreate方法在活动创建时调用
super.onCreate(savedInstanceState); // 调用父类的onCreate方法
requestWindowFeature(Window.FEATURE_NO_TITLE); // 请求无标题的窗口
final Window win = getWindow(); // 获取当前窗口
win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); // 设置窗口在锁屏时显示
if (!isScreenOn()) { // 检查屏幕是否处于打开状态
win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON // 保持屏幕唤醒
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON // 打开屏幕
| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON // 允许在屏幕打开时锁定
| WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR); // 布局插入装饰
}
Intent intent = getIntent();
Intent intent = getIntent(); // 获取启动该活动的意图
try {
mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); // 从意图中获取笔记ID
mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId); // 获取笔记内容的简短预览
mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0, // 如果预览文本长度超过最大长度,则截取
SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
: mSnippet;
} catch (IllegalArgumentException e) {
e.printStackTrace();
return;
: mSnippet; // 否则使用原始预览文本
} catch (IllegalArgumentException e) { // 捕获非法参数异常
e.printStackTrace(); // 打印异常信息
return; // 返回
}
mPlayer = new MediaPlayer();
if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
showActionDialog();
playAlarmSound();
mPlayer = new MediaPlayer(); // 创建MediaPlayer对象
if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) { // 检查笔记在数据库中是否可见
showActionDialog(); // 显示动作对话框
playAlarmSound(); // 播放提醒声音
} else {
finish();
finish(); // 结束活动
}
}
private boolean isScreenOn() {
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
return pm.isScreenOn();
private boolean isScreenOn() { // 定义检查屏幕是否处于打开状态的方法
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); // 获取电源管理服务
return pm.isScreenOn(); // 返回屏幕是否处于打开状态
}
private void playAlarmSound() {
Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
int silentModeStreams = Settings.System.getInt(getContentResolver(),
private void playAlarmSound() { // 定义播放提醒声音的方法
Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM); // 获取默认的闹钟铃声URI
int silentModeStreams = Settings.System.getInt(getContentResolver(), // 获取静音模式下影响的音频流
Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) {
mPlayer.setAudioStreamType(silentModeStreams);
if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) { // 检查闹钟音频流是否受静音模式影响
mPlayer.setAudioStreamType(silentModeStreams); // 设置音频流类型
} else {
mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM); // 设置音频流类型为闹钟
}
try {
mPlayer.setDataSource(this, url);
mPlayer.prepare();
mPlayer.setLooping(true);
mPlayer.start();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
mPlayer.setDataSource(this, url); // 设置数据源
mPlayer.prepare(); // 准备播放
mPlayer.setLooping(true); // 设置循环播放
mPlayer.start(); // 开始播放
} catch (IllegalArgumentException e) { // 捕获非法参数异常
e.printStackTrace(); // 打印异常信息
} catch (SecurityException e) { // 捕获安全异常
e.printStackTrace(); // 打印异常信息
} catch (IllegalStateException e) { // 捕获非法状态异常
e.printStackTrace(); // 打印异常信息
} catch (IOException e) { // 捕获输入输出异常
e.printStackTrace(); // 打印异常信息
}
}
private void showActionDialog() {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setTitle(R.string.app_name);
dialog.setMessage(mSnippet);
dialog.setPositiveButton(R.string.notealert_ok, this);
if (isScreenOn()) {
dialog.setNegativeButton(R.string.notealert_enter, this);
private void showActionDialog() { // 定义显示动作对话框的方法
AlertDialog.Builder dialog = new AlertDialog.Builder(this); // 创建对话框构建器
dialog.setTitle(R.string.app_name); // 设置对话框标题
dialog.setMessage(mSnippet); // 设置对话框消息
dialog.setPositiveButton(R.string.notealert_ok, this); // 设置正面按钮
if (isScreenOn()) { // 检查屏幕是否处于打开状态
dialog.setNegativeButton(R.string.notealert_enter, this); // 设置负面按钮
}
dialog.show().setOnDismissListener(this);
dialog.show().setOnDismissListener(this); // 显示对话框并设置关闭监听器
}
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case DialogInterface.BUTTON_NEGATIVE:
Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_VIEW);
intent.putExtra(Intent.EXTRA_UID, mNoteId);
startActivity(intent);
break;
default:
break;
public void onClick(DialogInterface dialog, int which) { // 实现OnClickListener接口的onClick方法处理对话框按钮点击事件
switch (which) { // 根据按钮类型进行处理
case DialogInterface.BUTTON_NEGATIVE: // 如果是负面按钮
Intent intent = new Intent(this, NoteEditActivity.class); // 创建启动笔记编辑活动的意图
intent.setAction(Intent.ACTION_VIEW); // 设置动作
intent.putExtra(Intent.EXTRA_UID, mNoteId); // 传递笔记ID
startActivity(intent); // 启动活动
break; // 结束处理
default: // 默认情况
break; // 结束处理
}
}
public void onDismiss(DialogInterface dialog) {
stopAlarmSound();
finish();
public void onDismiss(DialogInterface dialog) { // 实现OnDismissListener接口的onDismiss方法处理对话框关闭事件
stopAlarmSound(); // 停止播放提醒声音
finish(); // 结束活动
}
private void stopAlarmSound() {
if (mPlayer != null) {
mPlayer.stop();
mPlayer.release();
mPlayer = null;
private void stopAlarmSound() { // 定义停止播放提醒声音的方法
if (mPlayer != null) { // 检查MediaPlayer对象是否为空
mPlayer.stop(); // 停止播放
mPlayer.release(); // 释放资源
mPlayer = null; // 将MediaPlayer对象设置为空
}
}
}
}

@ -14,52 +14,72 @@
* limitations under the License.
*/
package net.micode.notes.ui;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
public class AlarmInitReceiver extends BroadcastReceiver {
private static final String [] PROJECTION = new String [] {
NoteColumns.ID,
NoteColumns.ALERTED_DATE
/*
* 广
*
*/
package net.micode.notes.ui; // 定义该类的包路径
import android.app.AlarmManager; // 导入AlarmManager类用于设置提醒
import android.app.PendingIntent; // 导入PendingIntent类用于延迟执行意图
import android.content.BroadcastReceiver; // 导入BroadcastReceiver类用于接收广播
import android.content.ContentUris; // 导入ContentUris类用于处理URI
import android.content.Context; // 导入Context类用于获取应用环境
import android.content.Intent; // 导入Intent类用于启动活动和传递数据
import android.database.Cursor; // 导入Cursor类用于查询数据库
import net.micode.notes.data.Notes; // 导入应用内部定义的笔记数据类
import net.micode.notes.data.Notes.NoteColumns; // 导入笔记数据类的列定义
public class AlarmInitReceiver extends BroadcastReceiver { // 定义AlarmInitReceiver类继承自BroadcastReceiver
// 查询笔记时需要的列
private static final String[] PROJECTION = new String[]{
NoteColumns.ID, // 笔记ID
NoteColumns.ALERTED_DATE // 提醒日期
};
private static final int COLUMN_ID = 0;
private static final int COLUMN_ALERTED_DATE = 1;
// 列的索引
private static final int COLUMN_ID = 0; // ID列的索引
private static final int COLUMN_ALERTED_DATE = 1; // 提醒日期列的索引
/**
* 广
*
* @param context 访
* @param intent 广
*/
@Override
public void onReceive(Context context, Intent intent) {
long currentDate = System.currentTimeMillis();
Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
PROJECTION,
NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
new String[] { String.valueOf(currentDate) },
null);
if (c != null) {
if (c.moveToFirst()) {
public void onReceive(Context context, Intent intent) { // 重写onReceive方法当接收到广播时执行
// 获取当前日期和时间
long currentDate = System.currentTimeMillis(); // 获取当前时间戳
// 查询数据库中所有需要提醒的笔记
Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI, // 查询笔记内容的URI
PROJECTION, // 查询的列
NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE, // 查询条件
new String[]{String.valueOf(currentDate)}, // 查询参数
null); // 排序方式
if (c != null) { // 检查Cursor是否为空
// 遍历查询结果,为每个需要提醒的笔记设置提醒
if (c.moveToFirst()) { // 移动到第一行
do {
long alertDate = c.getLong(COLUMN_ALERTED_DATE);
Intent sender = new Intent(context, AlarmReceiver.class);
sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID)));
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0);
// 获取提醒日期
long alertDate = c.getLong(COLUMN_ALERTED_DATE); // 获取提醒日期
// 创建Intent用于在提醒时间触发AlarmReceiver
Intent sender = new Intent(context, AlarmReceiver.class); // 创建启动AlarmReceiver的意图
sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID))); // 设置意图的数据URI
// 创建PendingIntent它是一个延迟的意图可以在特定时间由系统触发
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0); // 创建PendingIntent
// 获取AlarmManager服务用于设置提醒
AlarmManager alermManager = (AlarmManager) context
.getSystemService(Context.ALARM_SERVICE);
alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
} while (c.moveToNext());
.getSystemService(Context.ALARM_SERVICE); // 获取AlarmManager服务
// 设置提醒
alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent); // 设置提醒时间
} while (c.moveToNext()); // 移动到下一行
}
c.close();
// 关闭Cursor释放资源
c.close(); // 关闭Cursor
}
}
}
}

@ -14,17 +14,33 @@
* limitations under the License.
*/
package net.micode.notes.ui;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
public class AlarmReceiver extends BroadcastReceiver {
/*
* AlarmReceiver - 广
* 广Activity
*
* extends BroadcastReceiver: AndroidBroadcastReceiver
*/
package net.micode.notes.ui; // 定义该类的包路径
import android.content.BroadcastReceiver; // 导入BroadcastReceiver类用于接收广播
import android.content.Context; // 导入Context类用于获取应用环境
import android.content.Intent; // 导入Intent类用于启动活动和传递数据
public class AlarmReceiver extends BroadcastReceiver { // 定义AlarmReceiver类继承自BroadcastReceiver
/*
* onReceive - 广
* 广AlarmAlertActivity
*
* @param context
* @param intent 广
*/
@Override
public void onReceive(Context context, Intent intent) {
intent.setClass(context, AlarmAlertActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
public void onReceive(Context context, Intent intent) { // 重写onReceive方法当接收到广播时执行
// 设置Intent的类以便启动AlarmAlertActivity
intent.setClass(context, AlarmAlertActivity.class); // 设置Intent的目标Activity为AlarmAlertActivity
// 添加标志表示在一个新的任务中启动Activity
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); // 添加标志确保Activity在一个新的任务中启动
// 根据设置的Intent启动Activity
context.startActivity(intent); // 启动AlarmAlertActivity
}
}
}

@ -14,71 +14,103 @@
* limitations under the License.
*/
package net.micode.notes.ui;
import java.text.DateFormatSymbols;
import java.util.Calendar;
import net.micode.notes.R;
import android.content.Context;
import android.text.format.DateFormat;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.NumberPicker;
public class DateTimePicker extends FrameLayout {
// 默认启用状态
private static final boolean DEFAULT_ENABLE_STATE = true;
// 半天的小时数
private static final int HOURS_IN_HALF_DAY = 12;
// 一整天的小时数
private static final int HOURS_IN_ALL_DAY = 24;
// 一周的天数
private static final int DAYS_IN_ALL_WEEK = 7;
// 日期选择器的最小值
private static final int DATE_SPINNER_MIN_VAL = 0;
// 日期选择器的最大值
private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1;
// 24小时制小时选择器的最小值
private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0;
// 24小时制小时选择器的最大值
private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23;
// 12小时制小时选择器的最小值
private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1;
// 12小时制小时选择器的最大值
private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12;
// 分钟选择器的最小值
private static final int MINUT_SPINNER_MIN_VAL = 0;
// 分钟选择器的最大值
private static final int MINUT_SPINNER_MAX_VAL = 59;
// 上下午选择器的最小值
private static final int AMPM_SPINNER_MIN_VAL = 0;
// 上下午选择器的最大值
private static final int AMPM_SPINNER_MAX_VAL = 1;
// 日期选择器
private final NumberPicker mDateSpinner;
// 小时选择器
private final NumberPicker mHourSpinner;
// 分钟选择器
private final NumberPicker mMinuteSpinner;
// 上下午选择器
private final NumberPicker mAmPmSpinner;
// 当前日期
private Calendar mDate;
// 用于显示日期的字符串数组
private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
// 当前是否为上午
private boolean mIsAm;
// 当前是否为24小时制视图
private boolean mIs24HourView;
// 控件是否启用
private boolean mIsEnabled = DEFAULT_ENABLE_STATE;
// 是否正在初始化
private boolean mInitialising;
// 日期时间改变监听器
private OnDateTimeChangedListener mOnDateTimeChangedListener;
// 日期选择器的值改变监听器
private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
// 根据新旧值的差异更新日期
mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal);
updateDateControl();
onDateTimeChanged();
}
};
// 小时选择器的值改变监听器
private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
// 根据小时的变化更新日期和上下午状态
boolean isDateChanged = false;
Calendar cal = Calendar.getInstance();
if (!mIs24HourView) {
// 处理12小时制下的日期变化和上下午切换
if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1);
@ -94,6 +126,7 @@ public class DateTimePicker extends FrameLayout {
updateAmPmControl();
}
} else {
// 处理24小时制下的日期变化
if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1);
@ -104,9 +137,11 @@ public class DateTimePicker extends FrameLayout {
isDateChanged = true;
}
}
// 更新小时并触发日期时间改变事件
int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);
mDate.set(Calendar.HOUR_OF_DAY, newHour);
onDateTimeChanged();
// 如果日期有变化,则更新年月日
if (isDateChanged) {
setCurrentYear(cal.get(Calendar.YEAR));
setCurrentMonth(cal.get(Calendar.MONTH));
@ -114,10 +149,13 @@ public class DateTimePicker extends FrameLayout {
}
}
};
// 分别为分钟和AM/PM选择器监听器设置匿名内部类实现数值变化时的处理逻辑。
private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
// 计算小时的偏移量,当从最大值变为最小值或从最小值变为最大值时调整
int minValue = mMinuteSpinner.getMinValue();
int maxValue = mMinuteSpinner.getMaxValue();
int offset = 0;
@ -126,6 +164,7 @@ public class DateTimePicker extends FrameLayout {
} else if (oldVal == minValue && newVal == maxValue) {
offset -= 1;
}
// 根据偏移量更新日期和小时选择器并检查是否需要切换AM/PM
if (offset != 0) {
mDate.add(Calendar.HOUR_OF_DAY, offset);
mHourSpinner.setValue(getCurrentHour());
@ -139,14 +178,16 @@ public class DateTimePicker extends FrameLayout {
updateAmPmControl();
}
}
// 更新分钟值并触发日期变化的回调
mDate.set(Calendar.MINUTE, newVal);
onDateTimeChanged();
}
};
private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
// 切换AM/PM状态并更新日期和AM/PM选择器
mIsAm = !mIsAm;
if (mIsAm) {
mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY);
@ -157,202 +198,238 @@ public class DateTimePicker extends FrameLayout {
onDateTimeChanged();
}
};
// 定义日期时间变化的回调接口
public interface OnDateTimeChangedListener {
void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute);
int dayOfMonth, int hourOfDay, int minute);
}
// 构造函数:初始化日期时间选择器
public DateTimePicker(Context context) {
this(context, System.currentTimeMillis());
}
// 构造函数:指定初始日期时间
public DateTimePicker(Context context, long date) {
this(context, date, DateFormat.is24HourFormat(context));
}
// 构造函数指定是否使用24小时制视图
public DateTimePicker(Context context, long date, boolean is24HourView) {
super(context);
mDate = Calendar.getInstance();
mInitialising = true;
mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
inflate(context, R.layout.datetime_picker, this);
// 初始化日期、小时、分钟和AM/PM选择器并设置相应的监听器
mDateSpinner = (NumberPicker) findViewById(R.id.date);
mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
mDateSpinner.setOnValueChangedListener(mOnDateChangedListener);
mHourSpinner = (NumberPicker) findViewById(R.id.hour);
mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);
mMinuteSpinner = (NumberPicker) findViewById(R.id.minute);
mMinuteSpinner = (NumberPicker) findViewById(R.id.minute);
mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);
mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);
mMinuteSpinner.setOnLongPressUpdateInterval(100);
mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);
String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings();
mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm);
mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL);
mAmPmSpinner.setMaxValue(AMPM_SPINNER_MAX_VAL);
mAmPmSpinner.setDisplayedValues(stringsForAmPm);
mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);
// update controls to initial state
// 更新控件至初始状态
updateDateControl();
updateHourControl();
updateAmPmControl();
set24HourView(is24HourView);
// set to current time
// 设置为当前时间
setCurrentDate(date);
setEnabled(isEnabled());
// set the content descriptions
// 设置内容描述
mInitialising = false;
}
/**
*
*
*
*
* @param enabled
*/
@Override
public void setEnabled(boolean enabled) {
if (mIsEnabled == enabled) {
return;
}
super.setEnabled(enabled);
// 同时启用或禁用日期和时间选择器
mDateSpinner.setEnabled(enabled);
mMinuteSpinner.setEnabled(enabled);
mHourSpinner.setEnabled(enabled);
mAmPmSpinner.setEnabled(enabled);
mIsEnabled = enabled;
}
/**
*
*
* @return
*/
@Override
public boolean isEnabled() {
return mIsEnabled;
}
/**
* Get the current date in millis
*
*
* @return the current date in millis
* @return
*/
public long getCurrentDateInTimeMillis() {
return mDate.getTimeInMillis();
}
/**
* Set the current date
*
*
*
* @param date The current date in millis
*/
public void setCurrentDate(long date) {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(date);
// 通过日历实例的详细字段设置当前日期和时间
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));
}
/**
* Set the current date
*
*
*
* @param year The current year
* @param month The current month
* @param dayOfMonth The current dayOfMonth
* @param hourOfDay The current hourOfDay
* @param minute The current minute
* @param year
* @param month
* @param dayOfMonth
* @param hourOfDay
* @param minute
*/
public void setCurrentDate(int year, int month,
int dayOfMonth, int hourOfDay, int minute) {
int dayOfMonth, int hourOfDay, int minute) {
// 分别设置年、月、日、时和分
setCurrentYear(year);
setCurrentMonth(month);
setCurrentDay(dayOfMonth);
setCurrentHour(hourOfDay);
setCurrentMinute(minute);
}
/**
* Get current year
*
*
* @return The current year
* @return
*/
public int getCurrentYear() {
return mDate.get(Calendar.YEAR);
}
/**
* Set current year
*
*
* @param year The current year
* @param year
*/
public void setCurrentYear(int year) {
// 如果不是初始化状态并且设置的年份与当前年份相同,则直接返回
if (!mInitialising && year == getCurrentYear()) {
return;
}
mDate.set(Calendar.YEAR, year);
updateDateControl();
onDateTimeChanged();
updateDateControl(); // 更新日期控件
onDateTimeChanged(); // 触发日期时间改变事件
}
/**
* Get current month in the year
*
*
* @return The current month in the year
* @return 0
*/
public int getCurrentMonth() {
return mDate.get(Calendar.MONTH);
}
/**
* Set current month in the year
*
*
* @param month The month in the year
* @param month 0
*/
public void setCurrentMonth(int month) {
// 如果不是初始化状态并且设置的月份与当前月份相同,则直接返回
if (!mInitialising && month == getCurrentMonth()) {
return;
}
mDate.set(Calendar.MONTH, month);
updateDateControl();
onDateTimeChanged();
updateDateControl(); // 更新日期控件
onDateTimeChanged(); // 触发日期时间改变事件
}
/**
* Get current day of the month
*
*
* @return The day of the month
* @return
*/
public int getCurrentDay() {
return mDate.get(Calendar.DAY_OF_MONTH);
}
/**
* Set current day of the month
*
*
* @param dayOfMonth The day of the month
* @param dayOfMonth
*/
public void setCurrentDay(int dayOfMonth) {
// 如果不是初始化状态并且设置的日期与当前日期相同,则直接返回
if (!mInitialising && dayOfMonth == getCurrentDay()) {
return;
}
mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
updateDateControl();
onDateTimeChanged();
updateDateControl(); // 更新日期控件
onDateTimeChanged(); // 触发日期时间改变事件
}
/**
* Get current hour in 24 hour mode, in the range (0~23)
* @return The current hour in 24 hour mode
* 24(0~23)
*
* @return 24
*/
public int getCurrentHourOfDay() {
return mDate.get(Calendar.HOUR_OF_DAY);
}
/**
* 24
* 24{@link #getCurrentHourOfDay()}
* 12/
*
* @return 12
*/
private int getCurrentHour() {
if (mIs24HourView){
if (mIs24HourView) {
return getCurrentHourOfDay();
} else {
int hour = getCurrentHourOfDay();
// 转换为12小时制
if (hour > HOURS_IN_HALF_DAY) {
return hour - HOURS_IN_HALF_DAY;
} else {
@ -360,17 +437,20 @@ public class DateTimePicker extends FrameLayout {
}
}
}
/**
* Set current hour in 24 hour mode, in the range (0~23)
* 24(0~23)
*
* @param hourOfDay
* @param hourOfDay
*/
public void setCurrentHour(int hourOfDay) {
// 如果在初始化中或者小时未改变,则直接返回
if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {
return;
}
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
// 如果不是24小时视图则调整小时数并更新AM/PM控制
if (!mIs24HourView) {
if (hourOfDay >= HOURS_IN_HALF_DAY) {
mIsAm = false;
@ -388,20 +468,23 @@ public class DateTimePicker extends FrameLayout {
mHourSpinner.setValue(hourOfDay);
onDateTimeChanged();
}
/**
* Get currentMinute
*
*
* @return The Current Minute
* @return
*/
public int getCurrentMinute() {
return mDate.get(Calendar.MINUTE);
}
/**
* Set current minute
*
*
* @param minute
*/
public void setCurrentMinute(int minute) {
// 如果在初始化中或者分钟数未改变,则直接返回
if (!mInitialising && minute == getCurrentMinute()) {
return;
}
@ -409,20 +492,23 @@ public class DateTimePicker extends FrameLayout {
mDate.set(Calendar.MINUTE, minute);
onDateTimeChanged();
}
/**
* @return true if this is in 24 hour view else false.
* 24
*
* @return 24truefalse
*/
public boolean is24HourView () {
public boolean is24HourView() {
return mIs24HourView;
}
/**
* Set whether in 24 hour or AM/PM mode.
* 24AM/PM
*
* @param is24HourView True for 24 hour mode. False for AM/PM mode.
* @param is24HourView true24falseAM/PM
*/
public void set24HourView(boolean is24HourView) {
// 如果视图模式未改变,则直接返回
if (mIs24HourView == is24HourView) {
return;
}
@ -433,12 +519,16 @@ public class DateTimePicker extends FrameLayout {
setCurrentHour(hour);
updateAmPmControl();
}
/**
*
*/
private void updateDateControl() {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);
mDateSpinner.setDisplayedValues(null);
// 循环设置一周内每一天的显示文本
for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) {
cal.add(Calendar.DAY_OF_YEAR, 1);
mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal);
@ -447,7 +537,10 @@ public class DateTimePicker extends FrameLayout {
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
mDateSpinner.invalidate();
}
/**
* 24AM/PM
*/
private void updateAmPmControl() {
if (mIs24HourView) {
mAmPmSpinner.setVisibility(View.GONE);
@ -457,7 +550,10 @@ public class DateTimePicker extends FrameLayout {
mAmPmSpinner.setVisibility(View.VISIBLE);
}
}
/**
* 24
*/
private void updateHourControl() {
if (mIs24HourView) {
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
@ -467,15 +563,19 @@ public class DateTimePicker extends FrameLayout {
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
}
}
/**
* Set the callback that indicates the 'Set' button has been pressed.
* @param callback the callback, if null will do nothing
*
*
* @param callback null
*/
public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
mOnDateTimeChangedListener = callback;
}
/**
*
*/
private void onDateTimeChanged() {
if (mOnDateTimeChangedListener != null) {
mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),

@ -14,77 +14,124 @@
* limitations under the License.
*/
package net.micode.notes.ui;
import java.util.Calendar;
import net.micode.notes.R;
import net.micode.notes.ui.DateTimePicker;
import net.micode.notes.ui.DateTimePicker.OnDateTimeChangedListener;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.text.format.DateFormat;
import android.text.format.DateUtils;
public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
/*
* DateTimePickerDialog
*
*/
package net.micode.notes.ui; // 定义包名
import java.util.Calendar; // 导入Calendar类用于处理日期和时间
import net.micode.notes.R; // 导入资源类,用于访问资源
import net.micode.notes.ui.DateTimePicker; // 导入DateTimePicker类用于日期时间选择器视图
import net.micode.notes.ui.DateTimePicker.OnDateTimeChangedListener; // 导入日期时间改变监听器接口
import android.app.AlertDialog; // 导入AlertDialog类用于创建对话框
import android.content.Context; // 导入Context类用于获取上下文
import android.content.DialogInterface; // 导入DialogInterface类用于处理对话框事件
import android.content.DialogInterface.OnClickListener; // 导入OnClickListener接口用于处理按钮点击事件
import android.text.format.DateFormat; // 导入DateFormat类用于日期时间格式化
import android.text.format.DateUtils; // 导入DateUtils类用于日期时间格式化
public class DateTimePickerDialog extends AlertDialog implements OnClickListener { // 定义DateTimePickerDialog类继承自AlertDialog并实现OnClickListener接口
// 当前选择的日期和时间
private Calendar mDate = Calendar.getInstance();
// 用于指示日期时间选择器是否使用24小时制
private boolean mIs24HourView;
// 日期时间设置监听器,用于处理日期时间选择后的回调
private OnDateTimeSetListener mOnDateTimeSetListener;
// 日期时间选择器视图
private DateTimePicker mDateTimePicker;
/**
*
* OnDateTimeSet
*/
public interface OnDateTimeSetListener {
void OnDateTimeSet(AlertDialog dialog, long date);
}
/**
*
*
* @param context Activity
* @param date
*/
public DateTimePickerDialog(Context context, long date) {
super(context);
mDateTimePicker = new DateTimePicker(context);
setView(mDateTimePicker);
super(context); // 调用父类构造函数
mDateTimePicker = new DateTimePicker(context); // 创建DateTimePicker实例
setView(mDateTimePicker); // 设置对话框视图为DateTimePicker
// 设置日期时间改变的监听器
mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
public void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute) {
int dayOfMonth, int hourOfDay, int minute) {
// 更新内部日期时间值
mDate.set(Calendar.YEAR, year);
mDate.set(Calendar.MONTH, month);
mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
mDate.set(Calendar.MINUTE, minute);
// 更新对话框的标题显示
updateTitle(mDate.getTimeInMillis());
}
});
mDate.setTimeInMillis(date);
mDate.set(Calendar.SECOND, 0);
mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
mDate.setTimeInMillis(date); // 设置初始日期时间
mDate.set(Calendar.SECOND, 0); // 设置秒数为0
mDateTimePicker.setCurrentDate(mDate.getTimeInMillis()); // 设置DateTimePicker的当前日期时间
// 设置对话框的确认和取消按钮
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);
// 根据系统设置决定是否使用24小时制
set24HourView(DateFormat.is24HourFormat(this.getContext()));
// 更新标题以显示当前选择的日期和时间
updateTitle(mDate.getTimeInMillis());
}
/**
* 使24
*
* @param is24HourView 使24
*/
public void set24HourView(boolean is24HourView) {
mIs24HourView = is24HourView;
}
/**
*
*
* @param callBack
*/
public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
mOnDateTimeSetListener = callBack;
}
/**
*
*
* @param date
*/
private void updateTitle(long date) {
// 根据是否使用24小时制来格式化日期时间显示
int flag =
DateUtils.FORMAT_SHOW_YEAR |
DateUtils.FORMAT_SHOW_DATE |
DateUtils.FORMAT_SHOW_TIME;
DateUtils.FORMAT_SHOW_YEAR |
DateUtils.FORMAT_SHOW_DATE |
DateUtils.FORMAT_SHOW_TIME;
flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
}
/**
*
* OnDateTimeSet
*
* @param arg0
* @param arg1
*/
public void onClick(DialogInterface arg0, int arg1) {
if (mOnDateTimeSetListener != null) {
mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());
}
}
}

@ -14,48 +14,76 @@
* limitations under the License.
*/
package net.micode.notes.ui;
import android.content.Context;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.PopupMenu;
import android.widget.PopupMenu.OnMenuItemClickListener;
import net.micode.notes.R;
public class DropdownMenu {
private Button mButton;
private PopupMenu mPopupMenu;
private Menu mMenu;
/*
* DropdownMenu
* ButtonPopupMenuButton
*/
package net.micode.notes.ui; // 定义包名
import android.content.Context; // 导入Context类用于获取上下文
import android.view.Menu; // 导入Menu类用于管理菜单项
import android.view.MenuItem; // 导入MenuItem类用于表示菜单项
import android.view.View; // 导入View类用于处理视图
import android.view.View.OnClickListener; // 导入OnClickListener接口用于处理点击事件
import android.widget.Button; // 导入Button类用于创建按钮
import android.widget.PopupMenu; // 导入PopupMenu类用于创建弹出菜单
import android.widget.PopupMenu.OnMenuItemClickListener; // 导入OnMenuItemClickListener接口用于处理菜单项点击事件
import net.micode.notes.R; // 导入资源类,用于访问资源
public class DropdownMenu { // 定义DropdownMenu类
private Button mButton; // 弹出下拉菜单的按钮
private PopupMenu mPopupMenu; // 弹出的下拉菜单
private Menu mMenu; // 下拉菜单的项目集合
/**
* DropdownMenu
*
* @param context Activity
* @param button
* @param menuId ID
*/
public DropdownMenu(Context context, Button button, int menuId) {
mButton = button;
mButton.setBackgroundResource(R.drawable.dropdown_icon);
mPopupMenu = new PopupMenu(context, mButton);
mMenu = mPopupMenu.getMenu();
mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
mButton = button; // 初始化按钮
mButton.setBackgroundResource(R.drawable.dropdown_icon); // 设置按钮背景为下拉图标
mPopupMenu = new PopupMenu(context, mButton); // 创建PopupMenu实例锚点为按钮
mMenu = mPopupMenu.getMenu(); // 获取菜单项的集合
mPopupMenu.getMenuInflater().inflate(menuId, mMenu); // 加载菜单项
// 设置按钮点击事件,点击后显示下拉菜单
mButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
mPopupMenu.show();
mPopupMenu.show(); // 显示下拉菜单
}
});
}
/**
*
*
* @param listener PopupMenuOnMenuItemClickListener
*/
public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
if (mPopupMenu != null) {
mPopupMenu.setOnMenuItemClickListener(listener);
mPopupMenu.setOnMenuItemClickListener(listener); // 设置菜单项点击监听器
}
}
/**
* ID
*
* @param id ID
* @return MenuItemnull
*/
public MenuItem findItem(int id) {
return mMenu.findItem(id);
return mMenu.findItem(id); // 根据ID查找菜单项
}
/**
*
*
* @param title
*/
public void setTitle(CharSequence title) {
mButton.setText(title);
mButton.setText(title); // 设置按钮显示的文本
}
}

@ -14,67 +14,111 @@
* limitations under the License.
*/
package net.micode.notes.ui;
import android.content.Context;
import android.database.Cursor;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CursorAdapter;
import android.widget.LinearLayout;
import android.widget.TextView;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
public class FoldersListAdapter extends CursorAdapter {
public static final String [] PROJECTION = {
NoteColumns.ID,
NoteColumns.SNIPPET
/*
* FoldersListAdapter
* CursorAdapter
*/
package net.micode.notes.ui; // 定义包名
// 导入相关类
import android.content.Context; // 导入Context类用于获取上下文
import android.database.Cursor; // 导入Cursor类用于数据源游标
import android.view.View; // 导入View类用于视图
import android.view.ViewGroup; // 导入ViewGroup类用于视图的父容器
import android.widget.CursorAdapter; // 导入CursorAdapter类用于适配器
import android.widget.LinearLayout; // 导入LinearLayout类用于布局
import android.widget.TextView; // 导入TextView类用于文本显示
import net.micode.notes.R; // 导入资源类,用于访问资源
import net.micode.notes.data.Notes; // 导入Notes类用于数据操作
import net.micode.notes.data.Notes.NoteColumns; // 导入NoteColumns类用于数据列名
public class FoldersListAdapter extends CursorAdapter { // 定义FoldersListAdapter类继承自CursorAdapter
// 查询时使用的列名数组
public static final String[] PROJECTION = {
NoteColumns.ID, // 文件夹ID列
NoteColumns.SNIPPET // 文件夹名称列
};
public static final int ID_COLUMN = 0;
public static final int NAME_COLUMN = 1;
// 列名数组中的索引常量
public static final int ID_COLUMN = 0; // ID列索引
public static final int NAME_COLUMN = 1; // 名称列索引
/*
*
* @param context ActivityApplication
* @param c Cursor
*/
public FoldersListAdapter(Context context, Cursor c) {
super(context, c);
// TODO Auto-generated constructor stub
super(context, c); // 调用父类构造函数
}
/*
* View
* @param context
* @param cursor
* @param parent
* @return View
*/
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new FolderListItem(context);
return new FolderListItem(context); // 返回新的FolderListItem实例
}
/*
* View
* @param view
* @param context
* @param cursor
*/
@Override
public void bindView(View view, Context context, Cursor cursor) {
if (view instanceof FolderListItem) {
if (view instanceof FolderListItem) { // 判断视图是否为FolderListItem类型
// 根据文件夹ID判断是根文件夹还是普通文件夹并设置文件夹名称
String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
((FolderListItem) view).bind(folderName);
((FolderListItem) view).bind(folderName); // 绑定文件夹名称到视图
}
}
/*
*
* @param context
* @param position
* @return
*/
public String getFolderName(Context context, int position) {
Cursor cursor = (Cursor) getItem(position);
Cursor cursor = (Cursor) getItem(position); // 获取指定位置的游标
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); // 返回文件夹名称
}
private class FolderListItem extends LinearLayout {
private TextView mName;
/*
* FolderListItem
*
*/
private class FolderListItem extends LinearLayout { // 定义FolderListItem内部类继承自LinearLayout
private TextView mName; // 文件夹名称的文本视图
/*
*
* @param context
*/
public FolderListItem(Context context) {
super(context);
super(context); // 调用父类构造函数
// 加载布局文件,并将自己作为根视图
inflate(context, R.layout.folder_list_item, this);
mName = (TextView) findViewById(R.id.tv_folder_name);
mName = (TextView) findViewById(R.id.tv_folder_name); // 获取文件夹名称的视图
}
/*
*
* @param name
*/
public void bind(String name) {
mName.setText(name);
mName.setText(name); // 设置文件夹名称
}
}
}

File diff suppressed because it is too large Load Diff

@ -14,8 +14,24 @@
* limitations under the License.
*/
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import android.content.Context;
import android.graphics.Rect;
import android.text.Layout;
@ -31,105 +47,143 @@ import android.view.MenuItem;
import android.view.MenuItem.OnMenuItemClickListener;
import android.view.MotionEvent;
import android.widget.EditText;
import net.micode.notes.R;
import java.util.HashMap;
import java.util.Map;
/**
*
*/
public class NoteEditText extends EditText {
private static final String TAG = "NoteEditText";
private int mIndex;
private int mSelectionStartBeforeDelete;
private static final String SCHEME_TEL = "tel:" ;
private static final String SCHEME_HTTP = "http:" ;
private static final String SCHEME_EMAIL = "mailto:" ;
private int mIndex; // 当前文本视图的索引
private int mSelectionStartBeforeDelete; // 删除操作前的选择起始位置
private static final String SCHEME_TEL = "tel:";
private static final String SCHEME_HTTP = "http:";
private static final String SCHEME_EMAIL = "mailto:";
// URL方案与对应操作资源ID的映射
private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>();
static {
sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel);
sSchemaActionResMap.put(SCHEME_HTTP, R.string.note_link_web);
sSchemaActionResMap.put(SCHEME_EMAIL, R.string.note_link_email);
}
/**
* Call by the {@link NoteEditActivity} to delete or add edit text
*
*/
public interface OnTextViewChangeListener {
/**
* Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens
* and the text is null
*
*/
void onEditTextDelete(int index, String text);
/**
* Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER}
* happen
*
*/
void onEditTextEnter(int index, String text);
/**
* Hide or show item option when text change
*
*/
void onTextChange(int index, boolean hasText);
}
private OnTextViewChangeListener mOnTextViewChangeListener;
/**
*
*
* @param context
*/
public NoteEditText(Context context) {
super(context, null);
mIndex = 0;
}
/**
*
*
* @param index
*/
public void setIndex(int index) {
mIndex = index;
}
/**
*
*
* @param listener
*/
public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
mOnTextViewChangeListener = listener;
}
/**
*
*
* @param context
* @param attrs
*/
public NoteEditText(Context context, AttributeSet attrs) {
super(context, attrs, android.R.attr.editTextStyle);
}
/**
*
*
* @param context
* @param attrs
* @param defStyle
*/
public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
// TODO Auto-generated constructor stub
}
/**
*
*/
@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
// 计算触摸位置相对于文本的偏移量,并调整光标位置
int x = (int) event.getX();
int y = (int) event.getY();
x -= getTotalPaddingLeft();
y -= getTotalPaddingTop();
x += getScrollX();
y += getScrollY();
Layout layout = getLayout();
int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x);
Selection.setSelection(getText(), off);
break;
}
return super.onTouchEvent(event);
}
/**
*
*/
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_ENTER:
// 处理回车键事件,准备新增文本视图
if (mOnTextViewChangeListener != null) {
return false;
}
break;
case KeyEvent.KEYCODE_DEL:
// 记录删除操作前的选择位置
mSelectionStartBeforeDelete = getSelectionStart();
break;
default:
@ -137,11 +191,15 @@ public class NoteEditText extends EditText {
}
return super.onKeyDown(keyCode, event);
}
/**
*
*/
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
switch(keyCode) {
switch (keyCode) {
case KeyEvent.KEYCODE_DEL:
// 处理删除键事件,若为首个文本且非空,则删除当前文本
if (mOnTextViewChangeListener != null) {
if (0 == mSelectionStartBeforeDelete && mIndex != 0) {
mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString());
@ -152,6 +210,7 @@ public class NoteEditText extends EditText {
}
break;
case KeyEvent.KEYCODE_ENTER:
// 处理回车键事件,新增文本视图
if (mOnTextViewChangeListener != null) {
int selectionStart = getSelectionStart();
String text = getText().subSequence(selectionStart, length()).toString();
@ -166,7 +225,10 @@ public class NoteEditText extends EditText {
}
return super.onKeyUp(keyCode, event);
}
/**
*
*/
@Override
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
if (mOnTextViewChangeListener != null) {
@ -178,34 +240,37 @@ public class NoteEditText extends EditText {
}
super.onFocusChanged(focused, direction, previouslyFocusedRect);
}
/**
* URL
*/
@Override
protected void onCreateContextMenu(ContextMenu menu) {
if (getText() instanceof Spanned) {
int selStart = getSelectionStart();
int selEnd = getSelectionEnd();
int min = Math.min(selStart, selEnd);
int max = Math.max(selStart, selEnd);
final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class);
if (urls.length == 1) {
int defaultResId = 0;
for(String schema: sSchemaActionResMap.keySet()) {
if(urls[0].getURL().indexOf(schema) >= 0) {
for (String schema : sSchemaActionResMap.keySet()) {
if (urls[0].getURL().indexOf(schema) >= 0) {
defaultResId = sSchemaActionResMap.get(schema);
break;
}
}
if (defaultResId == 0) {
defaultResId = R.string.note_link_other;
}
menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener(
new OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
// goto a new intent
// 跳转到URL指向的页面
urls[0].onClick(NoteEditText.this);
return true;
}
@ -215,3 +280,4 @@ public class NoteEditText extends EditText {
super.onCreateContextMenu(menu);
}
}

@ -14,211 +14,242 @@
* limitations under the License.
*/
package net.micode.notes.ui;
import android.content.Context;
import android.database.Cursor;
import android.text.TextUtils;
import net.micode.notes.data.Contact;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.tool.DataUtils;
public class NoteItemData {
static final String [] PROJECTION = new String [] {
NoteColumns.ID,
NoteColumns.ALERTED_DATE,
NoteColumns.BG_COLOR_ID,
NoteColumns.CREATED_DATE,
NoteColumns.HAS_ATTACHMENT,
NoteColumns.MODIFIED_DATE,
NoteColumns.NOTES_COUNT,
NoteColumns.PARENT_ID,
NoteColumns.SNIPPET,
NoteColumns.TYPE,
NoteColumns.WIDGET_ID,
NoteColumns.WIDGET_TYPE,
package net.micode.notes.ui; // 定义包名
import android.content.Context; // 导入Context类用于获取上下文
import android.database.Cursor; // 导入Cursor类用于数据源游标
import android.text.TextUtils; // 导入TextUtils类用于字符串操作
import net.micode.notes.data.Contact; // 导入Contact类用于联系人数据操作
import net.micode.notes.data.Notes; // 导入Notes类用于笔记数据操作
import net.micode.notes.data.Notes.NoteColumns; // 导入NoteColumns类用于笔记数据列名
import net.micode.notes.tool.DataUtils; // 导入DataUtils类用于数据工具操作
/**
*
*/
public class NoteItemData { // 定义NoteItemData类
// 定义查询时要投影的列
static final String[] PROJECTION = new String[]{
NoteColumns.ID, // 笔记ID
NoteColumns.ALERTED_DATE, // 提醒日期
NoteColumns.BG_COLOR_ID, // 背景颜色ID
NoteColumns.CREATED_DATE, // 创建日期
NoteColumns.HAS_ATTACHMENT, // 是否有附件
NoteColumns.MODIFIED_DATE, // 修改日期
NoteColumns.NOTES_COUNT, // 笔记数量
NoteColumns.PARENT_ID, // 父ID
NoteColumns.SNIPPET, // 摘要
NoteColumns.TYPE, // 类型
NoteColumns.WIDGET_ID, // 小部件ID
NoteColumns.WIDGET_TYPE, // 小部件类型
};
private static final int ID_COLUMN = 0;
private static final int ALERTED_DATE_COLUMN = 1;
private static final int BG_COLOR_ID_COLUMN = 2;
private static final int CREATED_DATE_COLUMN = 3;
private static final int HAS_ATTACHMENT_COLUMN = 4;
private static final int MODIFIED_DATE_COLUMN = 5;
private static final int NOTES_COUNT_COLUMN = 6;
private static final int PARENT_ID_COLUMN = 7;
private static final int SNIPPET_COLUMN = 8;
private static final int TYPE_COLUMN = 9;
private static final int WIDGET_ID_COLUMN = 10;
private static final int WIDGET_TYPE_COLUMN = 11;
private long mId;
private long mAlertDate;
private int mBgColorId;
private long mCreatedDate;
private boolean mHasAttachment;
private long mModifiedDate;
private int mNotesCount;
private long mParentId;
private String mSnippet;
private int mType;
private int mWidgetId;
private int mWidgetType;
private String mName;
private String mPhoneNumber;
private boolean mIsLastItem;
private boolean mIsFirstItem;
private boolean mIsOnlyOneItem;
private boolean mIsOneNoteFollowingFolder;
private boolean mIsMultiNotesFollowingFolder;
// 各列数据的索引
private static final int ID_COLUMN = 0; // ID列索引
private static final int ALERTED_DATE_COLUMN = 1; // 提醒日期列索引
private static final int BG_COLOR_ID_COLUMN = 2; // 背景颜色ID列索引
private static final int CREATED_DATE_COLUMN = 3; // 创建日期列索引
private static final int HAS_ATTACHMENT_COLUMN = 4; // 是否有附件列索引
private static final int MODIFIED_DATE_COLUMN = 5; // 修改日期列索引
private static final int NOTES_COUNT_COLUMN = 6; // 笔记数量列索引
private static final int PARENT_ID_COLUMN = 7; // 父ID列索引
private static final int SNIPPET_COLUMN = 8; // 摘要列索引
private static final int TYPE_COLUMN = 9; // 类型列索引
private static final int WIDGET_ID_COLUMN = 10; // 小部件ID列索引
private static final int WIDGET_TYPE_COLUMN = 11; // 小部件类型列索引
// 笔记的各项数据
private long mId; // 笔记ID
private long mAlertDate; // 提醒日期
private int mBgColorId; // 背景颜色ID
private long mCreatedDate; // 创建日期
private boolean mHasAttachment; // 是否有附件
private long mModifiedDate; // 修改日期
private int mNotesCount; // 笔记数量
private long mParentId; // 父ID
private String mSnippet; // 摘要
private int mType; // 类型
private int mWidgetId; // 小部件ID
private int mWidgetType; // 小部件类型
private String mName; // 联系人名称
private String mPhoneNumber; // 电话号码
// 用于标识笔记在列表中的位置状态
private boolean mIsLastItem; // 是否为最后一个项目
private boolean mIsFirstItem; // 是否为第一个项目
private boolean mIsOnlyOneItem; // 是否为唯一一个项目
private boolean mIsOneNoteFollowingFolder; // 是否为一个笔记跟随文件夹
private boolean mIsMultiNotesFollowingFolder; // 是否为多个笔记跟随文件夹
/**
* CursorNoteItemData
*
* @param context 访
* @param cursor Cursor
*/
public NoteItemData(Context context, Cursor cursor) {
mId = cursor.getLong(ID_COLUMN);
mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN);
mCreatedDate = cursor.getLong(CREATED_DATE_COLUMN);
mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0) ? true : false;
mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN);
mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN);
mParentId = cursor.getLong(PARENT_ID_COLUMN);
mSnippet = cursor.getString(SNIPPET_COLUMN);
// 从Cursor中提取各项数据并赋值
mId = cursor.getLong(ID_COLUMN); // 获取笔记ID
mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN); // 获取提醒日期
mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN); // 获取背景颜色ID
mCreatedDate = cursor.getLong(CREATED_DATE_COLUMN); // 获取创建日期
mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0) ? true : false; // 获取是否有附件
mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN); // 获取修改日期
mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN); // 获取笔记数量
mParentId = cursor.getLong(PARENT_ID_COLUMN); // 获取父ID
mSnippet = cursor.getString(SNIPPET_COLUMN); // 获取摘要
mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace(
NoteEditActivity.TAG_UNCHECKED, "");
mType = cursor.getInt(TYPE_COLUMN);
mWidgetId = cursor.getInt(WIDGET_ID_COLUMN);
mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN);
mPhoneNumber = "";
if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {
mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId);
if (!TextUtils.isEmpty(mPhoneNumber)) {
mName = Contact.getContact(context, mPhoneNumber);
if (mName == null) {
mName = mPhoneNumber;
NoteEditActivity.TAG_UNCHECKED, ""); // 清理摘要中的特殊标记
mType = cursor.getInt(TYPE_COLUMN); // 获取类型
mWidgetId = cursor.getInt(WIDGET_ID_COLUMN); // 获取小部件ID
mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN); // 获取小部件类型
// 如果是通话记录笔记,尝试获取通话号码和联系人名称
mPhoneNumber = ""; // 初始化电话号码
if (mParentId == Notes.ID_CALL_RECORD_FOLDER) { // 判断是否为通话记录笔记
mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId); // 获取电话号码
if (!TextUtils.isEmpty(mPhoneNumber)) { // 判断电话号码是否为空
mName = Contact.getContact(context, mPhoneNumber); // 获取联系人名称
if (mName == null) { // 判断联系人名称是否为空
mName = mPhoneNumber; // 如果为空,则使用电话号码作为名称
}
}
}
if (mName == null) {
mName = "";
// 如果没有获取到联系人名称,则默认为空字符串
if (mName == null) { // 判断联系人名称是否为空
mName = ""; // 如果为空,则默认为空字符串
}
checkPostion(cursor);
}
checkPostion(cursor); // 检查笔记在列表中的位置
}
/**
* CursorNoteItemData
*
* @param cursor Cursor
*/
private void checkPostion(Cursor cursor) {
mIsLastItem = cursor.isLast() ? true : false;
mIsFirstItem = cursor.isFirst() ? true : false;
mIsOnlyOneItem = (cursor.getCount() == 1);
mIsMultiNotesFollowingFolder = false;
mIsOneNoteFollowingFolder = false;
if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {
int position = cursor.getPosition();
if (cursor.moveToPrevious()) {
// 更新位置状态信息
mIsLastItem = cursor.isLast(); // 判断是否为最后一个项目
mIsFirstItem = cursor.isFirst(); // 判断是否为第一个项目
mIsOnlyOneItem = (cursor.getCount() == 1); // 判断是否为唯一一个项目
mIsMultiNotesFollowingFolder = false; // 初始化多个笔记跟随文件夹状态
mIsOneNoteFollowingFolder = false; // 初始化一个笔记跟随文件夹状态
// 检查当前笔记是否跟随文件夹,并更新相应状态
if (mType == Notes.TYPE_NOTE && !mIsFirstItem) { // 判断是否为笔记且不是第一个项目
int position = cursor.getPosition(); // 获取当前位置
if (cursor.moveToPrevious()) { // 移动到前一个位置
if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER
|| cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {
if (cursor.getCount() > (position + 1)) {
mIsMultiNotesFollowingFolder = true;
|| cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) { // 判断前一个项目是否为文件夹或系统类型
if (cursor.getCount() > (position + 1)) { // 判断是否有多于一个项目
mIsMultiNotesFollowingFolder = true; // 设置多个笔记跟随文件夹状态
} else {
mIsOneNoteFollowingFolder = true;
mIsOneNoteFollowingFolder = true; // 设置一个笔记跟随文件夹状态
}
}
if (!cursor.moveToNext()) {
throw new IllegalStateException("cursor move to previous but can't move back");
// 确保Cursor能够回到原来的位置
if (!cursor.moveToNext()) { // 移动回原来的位置
throw new IllegalStateException("cursor move to previous but can't move back"); // 抛出异常
}
}
}
}
// 以下为获取NoteItemData各项属性的方法
public boolean isOneFollowingFolder() {
return mIsOneNoteFollowingFolder;
return mIsOneNoteFollowingFolder; // 返回一个笔记跟随文件夹状态
}
public boolean isMultiFollowingFolder() {
return mIsMultiNotesFollowingFolder;
return mIsMultiNotesFollowingFolder; // 返回多个笔记跟随文件夹状态
}
public boolean isLast() {
return mIsLastItem;
return mIsLastItem; // 返回是否为最后一个项目
}
public String getCallName() {
return mName;
return mName; // 返回联系人名称
}
public boolean isFirst() {
return mIsFirstItem;
return mIsFirstItem; // 返回是否为第一个项目
}
public boolean isSingle() {
return mIsOnlyOneItem;
return mIsOnlyOneItem; // 返回是否为唯一一个项目
}
public long getId() {
return mId;
return mId; // 返回笔记ID
}
public long getAlertDate() {
return mAlertDate;
return mAlertDate; // 返回提醒日期
}
public long getCreatedDate() {
return mCreatedDate;
return mCreatedDate; // 返回创建日期
}
public boolean hasAttachment() {
return mHasAttachment;
return mHasAttachment; // 返回是否有附件
}
public long getModifiedDate() {
return mModifiedDate;
return mModifiedDate; // 返回修改日期
}
public int getBgColorId() {
return mBgColorId;
return mBgColorId; // 返回背景颜色ID
}
public long getParentId() {
return mParentId;
return mParentId; // 返回父ID
}
public int getNotesCount() {
return mNotesCount;
return mNotesCount; // 返回笔记数量
}
public long getFolderId () {
return mParentId;
public long getFolderId() {
return mParentId; // 返回文件夹ID
}
public int getType() {
return mType;
return mType; // 返回类型
}
public int getWidgetType() {
return mWidgetType;
return mWidgetType; // 返回小部件类型
}
public int getWidgetId() {
return mWidgetId;
return mWidgetId; // 返回小部件ID
}
public String getSnippet() {
return mSnippet;
return mSnippet; // 返回摘要
}
public boolean hasAlert() {
return (mAlertDate > 0);
return (mAlertDate > 0); // 返回是否有提醒
}
public boolean isCallRecord() {
return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));
}
return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber)); // 返回是否为通话记录笔记
}
/**
* Cursor
*
* @param cursor Cursor
* @return
*/
public static int getNoteType(Cursor cursor) {
return cursor.getInt(TYPE_COLUMN);
return cursor.getInt(TYPE_COLUMN); // 返回笔记类型
}
}

File diff suppressed because it is too large Load Diff

@ -14,170 +14,253 @@
* limitations under the License.
*/
package net.micode.notes.ui;
import android.content.Context;
import android.database.Cursor;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CursorAdapter;
import net.micode.notes.data.Notes;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
public class NotesListAdapter extends CursorAdapter {
private static final String TAG = "NotesListAdapter";
private Context mContext;
private HashMap<Integer, Boolean> mSelectedIndex;
private int mNotesCount;
private boolean mChoiceMode;
public static class AppWidgetAttribute {
public int widgetId;
public int widgetType;
};
public NotesListAdapter(Context context) {
super(context, null);
mSelectedIndex = new HashMap<Integer, Boolean>();
mContext = context;
mNotesCount = 0;
package net.micode.notes.ui; // 定义包名
import android.content.Context; // 导入Context类用于获取上下文
import android.database.Cursor; // 导入Cursor类用于数据源游标
import android.util.Log; // 导入Log类用于日志输出
import android.view.View; // 导入View类用于视图操作
import android.view.ViewGroup; // 导入ViewGroup类用于视图组操作
import android.widget.CursorAdapter; // 导入CursorAdapter类用于游标适配器
import net.micode.notes.data.Notes; // 导入Notes类用于笔记数据操作
import java.util.Collection; // 导入Collection类用于集合操作
import java.util.HashMap; // 导入HashMap类用于哈希映射
import java.util.HashSet; // 导入HashSet类用于哈希集合
import java.util.Iterator; // 导入Iterator类用于迭代器
/**
* CursorAdapter
*/
public class NotesListAdapter extends CursorAdapter { // 定义NotesListAdapter类继承自CursorAdapter
private static final String TAG = "NotesListAdapter"; // 定义日志标签
private Context mContext; // 上下文对象
// 用于存储选中项的索引和状态
private HashMap<Integer, Boolean> mSelectedIndex; // 选中项索引和状态的哈希映射
private int mNotesCount; // 笔记总数
private boolean mChoiceMode; // 选择模式标志
/**
* AppWidget
*/
public static class AppWidgetAttribute { // 定义AppWidgetAttribute类
public int widgetId; // 小部件ID
public int widgetType; // 小部件类型
}
/**
*
*
* @param context
*/
public NotesListAdapter(Context context) { // 构造函数
super(context, null); // 调用父类构造函数
mSelectedIndex = new HashMap<Integer, Boolean>(); // 初始化选中项索引和状态的哈希映射
mContext = context; // 赋值上下文对象
mNotesCount = 0; // 初始化笔记总数
}
/**
*
*
* @param context
* @param cursor
* @param parent
* @return
*/
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new NotesListItem(context);
public View newView(Context context, Cursor cursor, ViewGroup parent) { // 重写newView方法
return new NotesListItem(context); // 返回新的列表项视图
}
/**
*
*
* @param view
* @param context
* @param cursor
*/
@Override
public void bindView(View view, Context context, Cursor cursor) {
if (view instanceof NotesListItem) {
NoteItemData itemData = new NoteItemData(context, cursor);
public void bindView(View view, Context context, Cursor cursor) { // 重写bindView方法
if (view instanceof NotesListItem) { // 判断视图是否为NotesListItem类型
NoteItemData itemData = new NoteItemData(context, cursor); // 创建NoteItemData对象
((NotesListItem) view).bind(context, itemData, mChoiceMode,
isSelectedItem(cursor.getPosition()));
isSelectedItem(cursor.getPosition())); // 绑定数据到视图
}
}
public void setCheckedItem(final int position, final boolean checked) {
mSelectedIndex.put(position, checked);
notifyDataSetChanged();
/**
*
*
* @param position
* @param checked
*/
public void setCheckedItem(final int position, final boolean checked) { // 设置选中项方法
mSelectedIndex.put(position, checked); // 更新选中项索引和状态
notifyDataSetChanged(); // 通知数据集改变
}
public boolean isInChoiceMode() {
return mChoiceMode;
/**
*
*
* @return
*/
public boolean isInChoiceMode() { // 获取选择模式方法
return mChoiceMode; // 返回选择模式状态
}
public void setChoiceMode(boolean mode) {
mSelectedIndex.clear();
mChoiceMode = mode;
/**
*
*
* @param mode
*/
public void setChoiceMode(boolean mode) { // 设置选择模式方法
mSelectedIndex.clear(); // 清空选中项索引和状态
mChoiceMode = mode; // 更新选择模式状态
}
public void selectAll(boolean checked) {
Cursor cursor = getCursor();
for (int i = 0; i < getCount(); i++) {
if (cursor.moveToPosition(i)) {
if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) {
setCheckedItem(i, checked);
/**
*
*
* @param checked
*/
public void selectAll(boolean checked) { // 全选或全不选方法
Cursor cursor = getCursor(); // 获取游标
for (int i = 0; i < getCount(); i++) { // 遍历所有项
if (cursor.moveToPosition(i)) { // 移动到指定位置
if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) { // 判断是否为笔记类型
setCheckedItem(i, checked); // 设置选中状态
}
}
}
}
public HashSet<Long> getSelectedItemIds() {
HashSet<Long> itemSet = new HashSet<Long>();
for (Integer position : mSelectedIndex.keySet()) {
if (mSelectedIndex.get(position) == true) {
Long id = getItemId(position);
if (id == Notes.ID_ROOT_FOLDER) {
Log.d(TAG, "Wrong item id, should not happen");
/**
* ID
*
* @return IDHashSet
*/
public HashSet<Long> getSelectedItemIds() { // 获取选中项ID集合方法
HashSet<Long> itemSet = new HashSet<Long>(); // 创建哈希集合
for (Integer position : mSelectedIndex.keySet()) { // 遍历选中项索引
if (mSelectedIndex.get(position) == true) { // 判断是否为选中状态
Long id = getItemId(position); // 获取项ID
if (id == Notes.ID_ROOT_FOLDER) { // 判断是否为根文件夹
Log.d(TAG, "Wrong item id, should not happen"); // 输出日志
} else {
itemSet.add(id);
itemSet.add(id); // 添加到哈希集合
}
}
}
return itemSet;
return itemSet; // 返回哈希集合
}
public HashSet<AppWidgetAttribute> getSelectedWidget() {
HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>();
for (Integer position : mSelectedIndex.keySet()) {
if (mSelectedIndex.get(position) == true) {
Cursor c = (Cursor) getItem(position);
if (c != null) {
AppWidgetAttribute widget = new AppWidgetAttribute();
NoteItemData item = new NoteItemData(mContext, c);
widget.widgetId = item.getWidgetId();
widget.widgetType = item.getWidgetType();
itemSet.add(widget);
/**
* Don't close cursor here, only the adapter could close it
*/
/**
*
*
* @return HashSet
*/
public HashSet<AppWidgetAttribute> getSelectedWidget() { // 获取选中小部件属性集合方法
HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>(); // 创建哈希集合
for (Integer position : mSelectedIndex.keySet()) { // 遍历选中项索引
if (mSelectedIndex.get(position) == true) { // 判断是否为选中状态
Cursor c = (Cursor) getItem(position); // 获取游标
if (c != null) { // 判断游标是否为空
AppWidgetAttribute widget = new AppWidgetAttribute(); // 创建AppWidgetAttribute对象
NoteItemData item = new NoteItemData(mContext, c); // 创建NoteItemData对象
widget.widgetId = item.getWidgetId(); // 获取小部件ID
widget.widgetType = item.getWidgetType(); // 获取小部件类型
itemSet.add(widget); // 添加到哈希集合
} else {
Log.e(TAG, "Invalid cursor");
return null;
Log.e(TAG, "Invalid cursor"); // 输出日志
return null; // 返回空
}
}
}
return itemSet;
return itemSet; // 返回哈希集合
}
public int getSelectedCount() {
Collection<Boolean> values = mSelectedIndex.values();
if (null == values) {
return 0;
/**
*
*
* @return
*/
public int getSelectedCount() { // 获取选中项数量方法
Collection<Boolean> values = mSelectedIndex.values(); // 获取选中项状态集合
if (null == values) { // 判断集合是否为空
return 0; // 返回0
}
Iterator<Boolean> iter = values.iterator();
int count = 0;
while (iter.hasNext()) {
if (true == iter.next()) {
count++;
Iterator<Boolean> iter = values.iterator(); // 获取迭代器
int count = 0; // 初始化计数器
while (iter.hasNext()) { // 遍历集合
if (true == iter.next()) { // 判断是否为选中状态
count++; // 计数器加1
}
}
return count;
return count; // 返回计数器
}
public boolean isAllSelected() {
int checkedCount = getSelectedCount();
return (checkedCount != 0 && checkedCount == mNotesCount);
/**
*
*
* @return
*/
public boolean isAllSelected() { // 判断是否全部选中方法
int checkedCount = getSelectedCount(); // 获取选中项数量
return (checkedCount != 0 && checkedCount == mNotesCount); // 判断是否全部选中
}
public boolean isSelectedItem(final int position) {
if (null == mSelectedIndex.get(position)) {
return false;
/**
*
*
* @param position
* @return
*/
public boolean isSelectedItem(final int position) { // 检查选中项方法
if (null == mSelectedIndex.get(position)) { // 判断是否为空
return false; // 返回未选中状态
}
return mSelectedIndex.get(position);
return mSelectedIndex.get(position); // 返回选中状态
}
/**
*
*/
@Override
protected void onContentChanged() {
super.onContentChanged();
calcNotesCount();
protected void onContentChanged() { // 重写onContentChanged方法
super.onContentChanged(); // 调用父类方法
calcNotesCount(); // 计算笔记数量
}
/**
*
*
* @param cursor
*/
@Override
public void changeCursor(Cursor cursor) {
super.changeCursor(cursor);
calcNotesCount();
public void changeCursor(Cursor cursor) { // 重写changeCursor方法
super.changeCursor(cursor); // 调用父类方法
calcNotesCount(); // 计算笔记数量
}
private void calcNotesCount() {
mNotesCount = 0;
for (int i = 0; i < getCount(); i++) {
Cursor c = (Cursor) getItem(i);
if (c != null) {
if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) {
mNotesCount++;
/**
*
*/
private void calcNotesCount() { // 计算笔记数量方法
mNotesCount = 0; // 初始化笔记总数
for (int i = 0; i < getCount(); i++) { // 遍历所有项
Cursor c = (Cursor) getItem(i); // 获取游标
if (c != null) { // 判断游标是否为空
if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) { // 判断是否为笔记类型
mNotesCount++; // 笔记总数加1
}
} else {
Log.e(TAG, "Invalid cursor");
return;
Log.e(TAG, "Invalid cursor"); // 输出日志
return; // 返回
}
}
}

@ -14,109 +14,143 @@
* limitations under the License.
*/
package net.micode.notes.ui;
import android.content.Context;
import android.text.format.DateUtils;
import android.view.View;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
public class NotesListItem extends LinearLayout {
private ImageView mAlert;
private TextView mTitle;
private TextView mTime;
private TextView mCallName;
private NoteItemData mItemData;
private CheckBox mCheckBox;
public NotesListItem(Context context) {
super(context);
inflate(context, R.layout.note_item, this);
mAlert = (ImageView) findViewById(R.id.iv_alert_icon);
mTitle = (TextView) findViewById(R.id.tv_title);
mTime = (TextView) findViewById(R.id.tv_time);
mCallName = (TextView) findViewById(R.id.tv_name);
mCheckBox = (CheckBox) findViewById(android.R.id.checkbox);
package net.micode.notes.ui; // 定义包名
import android.content.Context; // 导入Context类用于获取上下文
import android.text.format.DateUtils; // 导入DateUtils类用于日期格式化
import android.view.View; // 导入View类用于视图操作
import android.widget.CheckBox; // 导入CheckBox类用于复选框
import android.widget.ImageView; // 导入ImageView类用于图像显示
import android.widget.LinearLayout; // 导入LinearLayout类用于线性布局
import android.widget.TextView; // 导入TextView类用于文本显示
import net.micode.notes.R; // 导入R类用于资源引用
import net.micode.notes.data.Notes; // 导入Notes类用于笔记数据操作
import net.micode.notes.tool.DataUtils; // 导入DataUtils类用于数据处理
import net.micode.notes.tool.ResourceParser.NoteItemBgResources; // 导入NoteItemBgResources类用于背景资源解析
/*
* LinearLayout
* UI
*/
public class NotesListItem extends LinearLayout { // 定义NotesListItem类继承自LinearLayout
private ImageView mAlert; // 用于显示提醒图标
private TextView mTitle; // 显示笔记标题
private TextView mTime; // 显示修改时间
private TextView mCallName; // 在通话记录笔记中显示通话名称
private NoteItemData mItemData; // 绑定的笔记数据
private CheckBox mCheckBox; // 选择框,用于多选模式
/*
*
*/
public NotesListItem(Context context) { // 构造函数
super(context); // 调用父类构造函数
inflate(context, R.layout.note_item, this); // 填充布局
// 初始化视图组件
mAlert = (ImageView) findViewById(R.id.iv_alert_icon); // 初始化提醒图标
mTitle = (TextView) findViewById(R.id.tv_title); // 初始化标题
mTime = (TextView) findViewById(R.id.tv_time); // 初始化时间
mCallName = (TextView) findViewById(R.id.tv_name); // 初始化通话名称
mCheckBox = (CheckBox) findViewById(android.R.id.checkbox); // 初始化复选框
}
public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
mCheckBox.setVisibility(View.VISIBLE);
mCheckBox.setChecked(checked);
/*
*
*
* @param context
* @param data
* @param choiceMode
* @param checked
*/
public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) { // 绑定数据方法
// 根据是否为选择模式和笔记类型,控制复选框的可见性和选中状态
if (choiceMode && data.getType() == Notes.TYPE_NOTE) { // 判断是否为选择模式且为笔记类型
mCheckBox.setVisibility(View.VISIBLE); // 显示复选框
mCheckBox.setChecked(checked); // 设置复选框选中状态
} else {
mCheckBox.setVisibility(View.GONE);
mCheckBox.setVisibility(View.GONE); // 隐藏复选框
}
mItemData = data;
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mCallName.setVisibility(View.GONE);
mAlert.setVisibility(View.VISIBLE);
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
mItemData = data; // 赋值笔记数据
// 根据笔记类型和状态,设置标题、提醒图标和背景
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { // 判断是否为通话记录文件夹
// 通话记录文件夹
mCallName.setVisibility(View.GONE); // 隐藏通话名称
mAlert.setVisibility(View.VISIBLE); // 显示提醒图标
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); // 设置标题样式
mTitle.setText(context.getString(R.string.call_record_folder_name)
+ context.getString(R.string.format_folder_files_count, data.getNotesCount()));
mAlert.setImageResource(R.drawable.call_record);
} else if (data.getParentId() == Notes.ID_CALL_RECORD_FOLDER) {
mCallName.setVisibility(View.VISIBLE);
mCallName.setText(data.getCallName());
mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem);
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);
mAlert.setVisibility(View.VISIBLE);
+ context.getString(R.string.format_folder_files_count, data.getNotesCount())); // 设置标题文本
mAlert.setImageResource(R.drawable.call_record); // 设置提醒图标
} else if (data.getParentId() == Notes.ID_CALL_RECORD_FOLDER) { // 判断是否为通话记录笔记
// 通话记录笔记
mCallName.setVisibility(View.VISIBLE); // 显示通话名称
mCallName.setText(data.getCallName()); // 设置通话名称
mTitle.setTextAppearance(context, R.style.TextAppearanceSecondaryItem); // 设置标题样式
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); // 设置标题文本
if (data.hasAlert()) { // 判断是否有提醒
mAlert.setImageResource(R.drawable.clock); // 设置提醒图标
mAlert.setVisibility(View.VISIBLE); // 显示提醒图标
} else {
mAlert.setVisibility(View.GONE);
mAlert.setVisibility(View.GONE); // 隐藏提醒图标
}
} else {
mCallName.setVisibility(View.GONE);
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
if (data.getType() == Notes.TYPE_FOLDER) {
// 其他类型的笔记或文件夹
mCallName.setVisibility(View.GONE); // 隐藏通话名称
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); // 设置标题样式
if (data.getType() == Notes.TYPE_FOLDER) { // 判断是否为文件夹
mTitle.setText(data.getSnippet()
+ context.getString(R.string.format_folder_files_count,
data.getNotesCount()));
mAlert.setVisibility(View.GONE);
data.getNotesCount())); // 设置标题文本
mAlert.setVisibility(View.GONE); // 隐藏提醒图标
} else {
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);
mAlert.setVisibility(View.VISIBLE);
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); // 设置标题文本
if (data.hasAlert()) { // 判断是否有提醒
mAlert.setImageResource(R.drawable.clock); // 设置提醒图标
mAlert.setVisibility(View.VISIBLE); // 显示提醒图标
} else {
mAlert.setVisibility(View.GONE);
mAlert.setVisibility(View.GONE); // 隐藏提醒图标
}
}
}
mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
setBackground(data);
// 设置时间显示
mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate())); // 设置时间文本
// 设置背景资源
setBackground(data); // 设置背景
}
private void setBackground(NoteItemData data) {
int id = data.getBgColorId();
if (data.getType() == Notes.TYPE_NOTE) {
if (data.isSingle() || data.isOneFollowingFolder()) {
setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));
} else if (data.isLast()) {
setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id));
} else if (data.isFirst() || data.isMultiFollowingFolder()) {
setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id));
/*
*
*/
private void setBackground(NoteItemData data) { // 设置背景方法
int id = data.getBgColorId(); // 获取背景颜色ID
if (data.getType() == Notes.TYPE_NOTE) { // 判断是否为笔记类型
// 根据笔记的状态设置不同的背景资源
if (data.isSingle() || data.isOneFollowingFolder()) { // 判断是否为单个笔记或紧跟文件夹的笔记
setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id)); // 设置单个笔记背景
} else if (data.isLast()) { // 判断是否为最后一个笔记
setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id)); // 设置最后一个笔记背景
} else if (data.isFirst() || data.isMultiFollowingFolder()) { // 判断是否为第一个笔记或多个紧跟文件夹的笔记
setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id)); // 设置第一个笔记背景
} else {
setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id)); // 设置普通笔记背景
}
} else {
setBackgroundResource(NoteItemBgResources.getFolderBgRes());
// 文件夹背景资源
setBackgroundResource(NoteItemBgResources.getFolderBgRes()); // 设置文件夹背景
}
}
public NoteItemData getItemData() {
return mItemData;
/*
*
*
* @return NoteItemData
*/
public NoteItemData getItemData() { // 获取笔记数据方法
return mItemData; // 返回笔记数据
}
}

@ -13,9 +13,9 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.app.ActionBar;
@ -41,59 +41,64 @@ import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.remote.GTaskSyncService;
public class NotesPreferenceActivity extends PreferenceActivity {
public static final String PREFERENCE_NAME = "notes_preferences";
public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";
public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";
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 AUTHORITIES_FILTER_KEY = "authorities";
private PreferenceCategory mAccountCategory;
private GTaskReceiver mReceiver;
private Account[] mOriAccounts;
private boolean mHasAddedAccount;
// 常量定义部分:主要用于设置和同步相关的偏好设置键
public static final String PREFERENCE_NAME = "notes_preferences"; // 偏好设置的名称
public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name"; // 同步账户名称的键
public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time"; // 上次同步时间的键
public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear"; // 设置背景颜色的键
private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key"; // 同步账户的键
private static final String AUTHORITIES_FILTER_KEY = "authorities"; // 权限过滤键
// 类成员变量定义部分主要用于账户同步和UI更新
private PreferenceCategory mAccountCategory; // 账户分类偏好项
private GTaskReceiver mReceiver; // 接收同步任务的广播接收器
private Account[] mOriAccounts; // 原始账户数组
private boolean mHasAddedAccount; // 标记是否已添加新账户
/**
* Activity
*
*
* @param icicle ActivityBundle
*/
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
/* using the app icon for navigation */
// 设置返回按钮
getActionBar().setDisplayHomeAsUpEnabled(true);
// 从XML加载偏好设置
addPreferencesFromResource(R.xml.preferences);
mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);
mReceiver = new GTaskReceiver();
IntentFilter filter = new IntentFilter();
filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);
registerReceiver(mReceiver, filter);
registerReceiver(mReceiver, filter); // 注册广播接收器以监听同步服务
mOriAccounts = null;
// 添加设置头部视图
View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null);
getListView().addHeaderView(header, null, true);
}
/**
* Activity
*
*/
@Override
protected void onResume() {
super.onResume();
// need to set sync account automatically if user has added a new
// account
// 自动设置新添加的账户进行同步
if (mHasAddedAccount) {
Account[] accounts = getGoogleAccounts();
if (mOriAccounts != null && accounts.length > mOriAccounts.length) {
@ -106,120 +111,144 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
}
if (!found) {
setSyncAccount(accountNew.name);
setSyncAccount(accountNew.name); // 设置新账户进行同步
break;
}
}
}
}
// 刷新UI
refreshUI();
}
/**
* Activity广
*/
@Override
protected void onDestroy() {
if (mReceiver != null) {
unregisterReceiver(mReceiver);
unregisterReceiver(mReceiver); // 注销广播接收器,避免内存泄漏
}
super.onDestroy();
}
/**
*
*/
private void loadAccountPreference() {
mAccountCategory.removeAll();
mAccountCategory.removeAll(); // 清空账户分类下的所有条目
// 创建并配置账户偏好项
Preference accountPref = new Preference(this);
final String defaultAccount = getSyncAccountName(this);
accountPref.setTitle(getString(R.string.preferences_account_title));
accountPref.setSummary(getString(R.string.preferences_account_summary));
final String defaultAccount = getSyncAccountName(this); // 获取默认同步账户名称
accountPref.setTitle(getString(R.string.preferences_account_title)); // 设置标题
accountPref.setSummary(getString(R.string.preferences_account_summary)); // 设置摘要
accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
public boolean onPreferenceClick(Preference preference) {
// 处理账户点击事件
if (!GTaskSyncService.isSyncing()) {
if (TextUtils.isEmpty(defaultAccount)) {
// the first time to set account
// 如果尚未设置账户,则展示选择账户对话框
showSelectAccountAlertDialog();
} else {
// if the account has already been set, we need to promp
// user about the risk
// 如果已经设置账户,则展示更改账户确认对话框
showChangeAccountConfirmAlertDialog();
}
} else {
// 如果正在同步中,则展示无法更改账户的提示
Toast.makeText(NotesPreferenceActivity.this,
R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT)
R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT)
.show();
}
return true;
}
});
mAccountCategory.addPreference(accountPref);
mAccountCategory.addPreference(accountPref); // 将账户偏好项添加到账户分类下
}
/**
*
*/
private void loadSyncButton() {
Button syncButton = (Button) findViewById(R.id.preference_sync_button);
TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
// set button state
Button syncButton = (Button) findViewById(R.id.preference_sync_button); // 获取同步按钮
TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview); // 获取上次同步时间视图
// 根据同步状态设置按钮文本和点击事件
if (GTaskSyncService.isSyncing()) {
syncButton.setText(getString(R.string.preferences_button_sync_cancel));
syncButton.setText(getString(R.string.preferences_button_sync_cancel)); // 设置为取消同步文本
syncButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
GTaskSyncService.cancelSync(NotesPreferenceActivity.this);
GTaskSyncService.cancelSync(NotesPreferenceActivity.this); // 设置点击事件为取消同步
}
});
} else {
syncButton.setText(getString(R.string.preferences_button_sync_immediately));
syncButton.setText(getString(R.string.preferences_button_sync_immediately)); // 设置为立即同步文本
syncButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
GTaskSyncService.startSync(NotesPreferenceActivity.this);
GTaskSyncService.startSync(NotesPreferenceActivity.this); // 设置点击事件为开始同步
}
});
}
syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));
// set last sync time
syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this))); // 只有在设置了同步账户时才使能同步按钮
// 根据同步状态设置上次同步时间的显示
if (GTaskSyncService.isSyncing()) {
lastSyncTimeView.setText(GTaskSyncService.getProgressString());
lastSyncTimeView.setVisibility(View.VISIBLE);
lastSyncTimeView.setText(GTaskSyncService.getProgressString()); // 如果正在同步,显示进度信息
lastSyncTimeView.setVisibility(View.VISIBLE); // 显示上次同步时间视图
} else {
long lastSyncTime = getLastSyncTime(this);
long lastSyncTime = getLastSyncTime(this); // 获取上次同步时间
if (lastSyncTime != 0) {
lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time,
DateFormat.format(getString(R.string.preferences_last_sync_time_format),
lastSyncTime)));
lastSyncTimeView.setVisibility(View.VISIBLE);
lastSyncTime))); // 格式化并显示上次同步时间
lastSyncTimeView.setVisibility(View.VISIBLE); // 显示上次同步时间视图
} else {
lastSyncTimeView.setVisibility(View.GONE);
lastSyncTimeView.setVisibility(View.GONE); // 如果未同步过,则隐藏上次同步时间视图
}
}
}
/**
*
*/
private void refreshUI() {
loadAccountPreference();
loadSyncButton();
loadAccountPreference(); // 加载账户偏好设置
loadSyncButton(); // 加载同步按钮
}
/**
*
* Google
*
*/
private void showSelectAccountAlertDialog() {
// 创建对话框构建器并设置自定义标题
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
titleTextView.setText(getString(R.string.preferences_dialog_select_account_title));
TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips));
dialogBuilder.setCustomTitle(titleView);
dialogBuilder.setPositiveButton(null, null);
dialogBuilder.setPositiveButton(null, null); // 移除默认的确定按钮
// 获取当前设备上的Google账户
Account[] accounts = getGoogleAccounts();
String defAccount = getSyncAccountName(this);
mOriAccounts = accounts;
mHasAddedAccount = false;
String defAccount = getSyncAccountName(this); // 获取当前同步的账户名称
mOriAccounts = accounts; // 保存原始账户列表
mHasAddedAccount = false; // 标记是否已添加新账户
if (accounts.length > 0) {
// 创建账户选项并设置选中项
CharSequence[] items = new CharSequence[accounts.length];
final CharSequence[] itemMapping = items;
int checkedItem = -1;
int checkedItem = -1; // 记录默认选中的账户
int index = 0;
for (Account account : accounts) {
if (TextUtils.equals(account.name, defAccount)) {
@ -227,6 +256,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
items[index++] = account.name;
}
// 设置单选列表,并为选中的账户执行同步操作
dialogBuilder.setSingleChoiceItems(items, checkedItem,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
@ -236,27 +266,34 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
});
}
// 添加“添加账户”选项
View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);
dialogBuilder.setView(addAccountView);
final AlertDialog dialog = dialogBuilder.show();
// 点击“添加账户”执行添加账户操作
addAccountView.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
mHasAddedAccount = true;
Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] {
"gmail-ls"
intent.putExtra(AUTHORITIES_FILTER_KEY, new String[]{
"gmail-ls"
});
startActivityForResult(intent, -1);
dialog.dismiss();
}
});
}
/**
*
*
*/
private void showChangeAccountConfirmAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
// 设置自定义标题,包含当前同步账户名称
View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
titleTextView.setText(getString(R.string.preferences_dialog_change_account_title,
@ -264,8 +301,9 @@ public class NotesPreferenceActivity extends PreferenceActivity {
TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
dialogBuilder.setCustomTitle(titleView);
CharSequence[] menuItemArray = new CharSequence[] {
// 创建菜单项并设置点击事件
CharSequence[] menuItemArray = new CharSequence[]{
getString(R.string.preferences_menu_change_account),
getString(R.string.preferences_menu_remove_account),
getString(R.string.preferences_menu_cancel)
@ -273,8 +311,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
if (which == 0) {
// 选择更改账户,显示账户选择对话框
showSelectAccountAlertDialog();
} else if (which == 1) {
// 选择移除账户执行移除操作并刷新UI
removeSyncAccount();
refreshUI();
}
@ -282,27 +322,41 @@ public class NotesPreferenceActivity extends PreferenceActivity {
});
dialogBuilder.show();
}
/**
* Google
*
* @return Account[] com.google
*/
private Account[] getGoogleAccounts() {
AccountManager accountManager = AccountManager.get(this);
return accountManager.getAccountsByType("com.google");
}
/**
*
* SharedPreferencesgtask
*
* @param account
*/
private void setSyncAccount(String account) {
// 检查当前账户是否与传入账户名一致,不一致则更新账户信息
if (!getSyncAccountName(this).equals(account)) {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
// 如果账户名非空,则保存账户名,否则清除账户名
if (account != null) {
editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account);
} else {
editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
}
editor.commit();
// clean up last sync time
// 清理上次同步时间
setLastSyncTime(this, 0);
// clean up local gtask related info
// 清理本地相关的gtask信息
new Thread(new Runnable() {
public void run() {
ContentValues values = new ContentValues();
@ -311,25 +365,32 @@ public class NotesPreferenceActivity extends PreferenceActivity {
getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
}
}).start();
// 显示设置成功的提示信息
Toast.makeText(NotesPreferenceActivity.this,
getString(R.string.preferences_toast_success_set_accout, account),
Toast.LENGTH_SHORT).show();
}
}
/**
*
* SharedPreferencesgtask
*/
private void removeSyncAccount() {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
// 如果存在账户信息,则移除
if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME);
}
// 如果存在上次同步时间信息,则移除
if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) {
editor.remove(PREFERENCE_LAST_SYNC_TIME);
}
editor.commit();
// clean up local gtask related info
// 清理本地相关的gtask信息
new Thread(new Runnable() {
public void run() {
ContentValues values = new ContentValues();
@ -339,13 +400,27 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
}).start();
}
/**
*
* SharedPreferences
*
* @param context
* @return
*/
public static String getSyncAccountName(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
}
/**
*
* SharedPreferences
*
* @param context
* @param time
*/
public static void setLastSyncTime(Context context, long time) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
@ -353,30 +428,48 @@ public class NotesPreferenceActivity extends PreferenceActivity {
editor.putLong(PREFERENCE_LAST_SYNC_TIME, time);
editor.commit();
}
/**
*
* SharedPreferences0
*
* @param context
* @return
*/
public static long getLastSyncTime(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
}
/**
* 广gtask广UI
*/
private class GTaskReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
refreshUI();
// 如果广播消息表明正在同步则更新UI显示的同步状态信息
if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) {
TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
syncStatus.setText(intent
.getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
}
}
}
/**
*
*
* @param item
* @return truefalse
*/
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
// 当选择返回按钮时启动NotesListActivity并清除当前活动栈顶以上的所有活动
Intent intent = new Intent(this, NotesListActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);

@ -13,7 +13,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//桌面挂件//
package net.micode.notes.widget;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;

@ -13,7 +13,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//二倍大小的桌面挂件//
package net.micode.notes.widget;
import android.appwidget.AppWidgetManager;

@ -13,7 +13,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//四倍大小的桌面挂件//
package net.micode.notes.widget;
import android.appwidget.AppWidgetManager;

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