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/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.data;
import android.content.Context;
import android.database.Cursor;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.provider.ContactsContract.Data;
import android.telephony.PhoneNumberUtils;
import android.util.Log;
import java.util.HashMap; // 导入HashMap类用于存储键值对
public class Contact {
// 声明一个静态的HashMap用于缓存联系人信息
private static HashMap<String, String> sContactCache;
// 定义一个标签,用于日志输出
private static final String TAG = "Contact";
// 定义一个用于查询的SQL语句模板用于匹配电话号码
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 = '+')";
// 根据电话号码获取联系人名称的方法
public static String getContact(Context context, String phoneNumber) {
// 如果缓存为空,则初始化缓存
if(sContactCache == null) {
sContactCache = new HashMap<String, String>();
}
// 如果缓存中已存在该电话号码的联系人信息,则直接从缓存中获取
if(sContactCache.containsKey(phoneNumber)) {
return sContactCache.get(phoneNumber);
}
// 替换SQL语句模板中的占位符"+"为电话号码的最小匹配值
String selection = CALLER_ID_SELECTION.replace("+",
PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));
// 使用ContentResolver查询数据库
Cursor cursor = context.getContentResolver().query(
Data.CONTENT_URI, // 数据库的URI
new String [] { Phone.DISPLAY_NAME }, // 要查询的列
selection, // 查询条件
new String[] { phoneNumber }, // 查询条件的参数
null); // 排序参数
// 如果查询结果不为空,并且成功获取到数据
if (cursor != null && cursor.moveToFirst()) {
try {
// 获取联系人名称,并将其存储到缓存中
String name = cursor.getString(0);
sContactCache.put(phoneNumber, name);
return name;
} catch (IndexOutOfBoundsException e) {
// 如果获取数据时发生异常,记录错误日志
Log.e(TAG, " Cursor get string error " + e.toString());
return null;
} finally {
// 无论是否成功,都关闭游标
cursor.close();
}
} else {
// 如果没有查询到联系人信息,记录日志
Log.d(TAG, "No contact matched with number:" + phoneNumber);
return null;
}
}
}

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/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.data;
import android.net.Uri;
public class Notes {
// 定义内容提供者的权威标识
public static final String AUTHORITY = "micode_notes";
// 定义日志标签
public static final String TAG = "Notes";
// 定义笔记类型常量
public static final int TYPE_NOTE = 0;
public static final int TYPE_FOLDER = 1;
public static final int TYPE_SYSTEM = 2;
/**
*
* {@link Notes#ID_ROOT_FOLDER}
* {@link Notes#ID_TEMPARAY_FOLDER}
* {@link Notes#ID_CALL_RECORD_FOLDER}
*/
public static final int ID_ROOT_FOLDER = 0;
public static final int ID_TEMPARAY_FOLDER = -1;
public static final int ID_CALL_RECORD_FOLDER = -2;
public static final int ID_TRASH_FOLDER = -3; // 垃圾桶文件夹
// 定义Intent的额外数据字段
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";
// 定义小部件类型常量
public static final int TYPE_WIDGET_INVALIDE = -1;
public static final int TYPE_WIDGET_2X = 0;
public static final int TYPE_WIDGET_4X = 1;
// 数据常量类
public static class DataConstants {
// 文本笔记和通话笔记的内容项类型
public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;
public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;
}
// 定义用于查询所有笔记和文件夹的Uri
public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
// 定义用于查询数据的Uri
public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
// 笔记列接口,定义笔记数据表的列
public interface NoteColumns {
// 唯一标识ID
public static final String ID = "_id";
// 父级ID
public static final String PARENT_ID = "parent_id";
// 创建日期
public static final String CREATED_DATE = "created_date";
// 最后修改日期
public static final String MODIFIED_DATE = "modified_date";
// 提醒日期
public static final String ALERTED_DATE = "alert_date";
// 文件夹名称或笔记文本内容
public static final String SNIPPET = "snippet";
// 笔记的小部件ID
public static final String WIDGET_ID = "widget_id";
// 笔记的小部件类型
public static final String WIDGET_TYPE = "widget_type";
// 笔记的背景颜色ID
public static final String BG_COLOR_ID = "bg_color_id";
// 是否有附件
public static final String HAS_ATTACHMENT = "has_attachment";
// 文件夹内的笔记数量
public static final String NOTES_COUNT = "notes_count";
// 文件类型:文件夹或笔记
public static final String TYPE = "type";
// 最后同步的ID
public static final String SYNC_ID = "sync_id";
// 本地修改标志
public static final String LOCAL_MODIFIED = "local_modified";
// 移动到临时文件夹之前的原始父级ID
public static final String ORIGIN_PARENT_ID = "origin_parent_id";
// gtask ID
public static final String GTASK_ID = "gtask_id";
// 版本号
public static final String VERSION = "version";
}
// 数据列接口,定义数据表的列
public interface DataColumns {
// 唯一标识ID
public static final String ID = "_id";
// 项目的MIME类型
public static final String MIME_TYPE = "mime_type";
// 笔记的引用ID
public static final String NOTE_ID = "note_id";
// 创建日期
public static final String CREATED_DATE = "created_date";
// 最后修改日期
public static final String MODIFIED_DATE = "modified_date";
// 数据内容
public static final String CONTENT = "content";
// 通用数据列具体含义由MIMETYPE决定用于整型数据
public static final String DATA1 = "data1";
// 通用数据列具体含义由MIMETYPE决定用于整型数据
public static final String DATA2 = "data2";
// 通用数据列具体含义由MIMETYPE决定用于文本数据
public static final String DATA3 = "data3";
// 通用数据列具体含义由MIMETYPE决定用于文本数据
public static final String DATA4 = "data4";
// 通用数据列具体含义由MIMETYPE决定用于文本数据
public static final String DATA5 = "data5";
}
// 文本笔记类实现了DataColumns接口
public static final class TextNote implements DataColumns {
// 表示文本是否处于清单模式
public static final String MODE = DATA1;
public static final int MODE_CHECK_LIST = 1;
// 内容类型
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";
// 内容项类型
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
// 内容URI
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
}
// 通话笔记类实现了DataColumns接口
public static final class CallNote implements DataColumns {
// 通话记录的日期
public static final String CALL_DATE = DATA1;
// 通话记录的电话号码
public static final String PHONE_NUMBER = DATA3;
// 内容类型
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";
// 内容项类型
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
// 内容URI
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
}
}

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/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.data;
import android.content.ContentValues;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns;
public class NotesDatabaseHelper extends SQLiteOpenHelper {
private static final String DB_NAME = "note.db";
private static final int DB_VERSION = 4;
public interface TABLE {
public static final String NOTE = "note";
public static final String DATA = "data";
}
private static final String TAG = "NotesDatabaseHelper";
private static NotesDatabaseHelper mInstance;
// 创建笔记表的SQL语句
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" +
")";
// 创建数据表的SQL语句
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 ''" +
")";
// 创建笔记数据ID索引的SQL语句
private static final String CREATE_DATA_NOTE_ID_INDEX_SQL =
"CREATE INDEX IF NOT EXISTS note_id_index ON " +
TABLE.DATA + "(" + DataColumns.NOTE_ID + ");";
// 笔记表触发器SQL语句
// 笔记移动到文件夹时增加文件夹笔记计数
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";
// 笔记从文件夹移动时减少文件夹笔记计数
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";
// 删除笔记时从文件夹减少笔记计数
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";
// 数据表触发器SQL语句
// 插入数据时更新笔记内容
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";
// 更新数据时更新笔记内容
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";
// 删除数据时更新笔记内容
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";
// 删除笔记时同时删除其数据
private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER =
"CREATE TRIGGER delete_data_on_delete " +
"AFTER DELETE ON " + TABLE.NOTE +
" BEGIN" +
" DELETE FROM " + TABLE.DATA +
" WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" +
" END";
// 删除文件夹时同时删除其下所有笔记
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";
// 移动文件夹到垃圾桶时移动其下所有笔记
private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER =
"CREATE TRIGGER folder_move_notes_on_trash " +
"AFTER UPDATE ON " + TABLE.NOTE +
" WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" END";
public NotesDatabaseHelper(Context context) {
super(context, DB_NAME, null, DB_VERSION);
}
public void createNoteTable(SQLiteDatabase db) {
db.execSQL(CREATE_NOTE_TABLE_SQL);
reCreateNoteTableTriggers(db);
createSystemFolder(db);
Log.d(TAG, "note table has been created");
}
private void reCreateNoteTableTriggers(SQLiteDatabase db) {
// 删除旧的触发器
db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update");
db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_update");
db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_delete");
db.execSQL("DROP TRIGGER IF EXISTS delete_data_on_delete");
db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_insert");
db.execSQL("DROP TRIGGER IF EXISTS folder_delete_notes_on_delete");
db.execSQL("DROP TRIGGER IF EXISTS folder_move_notes_on_trash");
// 创建新的触发器
db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER);
db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER);
db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER);
db.execSQL(NOTE_DELETE_DATA_ON_DELETE_TRIGGER);
db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER);
db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER);
db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER);
}
private void createSystemFolder(SQLiteDatabase db) {
ContentValues values = new ContentValues();
// 创建通话记录文件夹
values.put(NoteColumns.ID, Notes.ID_CALL_RECORD_FOLDER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
// 创建根文件夹,即默认文件夹
values.clear();
values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
// 创建临时文件夹,用于移动笔记
values.clear();
values.put(NoteColumns.ID, Notes.ID_TEMPARAY_FOLDER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
// 创建垃圾箱文件夹
values.clear();
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
}
public void createDataTable(SQLiteDatabase db) {
db.execSQL(CREATE_DATA_TABLE_SQL);
reCreateDataTableTriggers(db);
db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL);
Log.d(TAG, "data table has been created");
}
private void reCreateDataTableTriggers(SQLiteDatabase db) {
// 删除旧的触发器
db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert");
db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_update");
db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_delete");
// 创建新的触发器
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER);
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER);
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER);
}
static synchronized NotesDatabaseHelper getInstance(Context context) {
if (mInstance == null) {
mInstance = new NotesDatabaseHelper(context);
}
return mInstance;
}
@Override
public void onCreate(SQLiteDatabase db) {
createNoteTable(db);
createDataTable(db);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
boolean reCreateTriggers = false;
boolean skipV2 = false;
if (oldVersion == 1) {
upgradeToV2(db);
skipV2 = true; // 升级到版本2包含了从版本1到版本2的升级
oldVersion++;
}
if (oldVersion == 2 && !skipV2) {
upgradeToV3(db);
reCreateTriggers = true;
oldVersion++;
}
if (oldVersion == 3) {
upgradeToV4(db);
oldVersion++;
}
if (reCreateTriggers) {
reCreateNoteTableTriggers(db);
reCreateDataTableTriggers(db);
}
if (oldVersion != newVersion) {
throw new IllegalStateException("Upgrade notes database to version " + newVersion +
" fails");
}
}
private void upgradeToV2(SQLiteDatabase db) {
db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE);
db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA);
createNoteTable(db);
createDataTable(db);
}
private void upgradeToV3(SQLiteDatabase db) {
// 删除未使用的触发器
db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_insert");
db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_delete");
db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_update");
// 为笔记表添加gtask_id列
db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.GTASK_ID +
" TEXT NOT NULL DEFAULT ''");
// 添加垃圾箱系统文件夹
ContentValues values = new ContentValues();
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
}
private void upgradeToV4(SQLiteDatabase db) {
db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION +
" INTEGER NOT NULL DEFAULT 0");
}

@ -0,0 +1,316 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.data;
import android.app.SearchManager;
import android.content.ContentProvider;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Intent;
import android.content.UriMatcher;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.net.Uri;
import android.text.TextUtils;
import android.util.Log;
import net.micode.notes.R;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.NotesDatabaseHelper.TABLE;
public class NotesProvider extends ContentProvider {
// Uri匹配器用于区分不同的URI请求
private static final UriMatcher mMatcher;
// 数据库帮助类实例
private NotesDatabaseHelper mHelper;
// 日志标签
private static final String TAG = "NotesProvider";
// 定义不同的URI请求码
private static final int URI_NOTE = 1;
private static final int URI_NOTE_ITEM = 2;
private static final int URI_DATA = 3;
private static final int URI_DATA_ITEM = 4;
private static final int URI_SEARCH = 5;
private static final int URI_SEARCH_SUGGEST = 6;
// 初始化Uri匹配器
static {
mMatcher = new UriMatcher(UriMatcher.NO_MATCH);
mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE);
mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM);
mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA);
mMatcher.addURI(Notes.AUTHORITY, "data/#", URI_DATA_ITEM);
mMatcher.addURI(Notes.AUTHORITY, "search", URI_SEARCH);
mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY, URI_SEARCH_SUGGEST);
mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", URI_SEARCH_SUGGEST);
}
// 搜索提示的投影
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;
// 笔记片段搜索查询语句
private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION
+ " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.SNIPPET + " LIKE ?"
+ " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER
+ " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE;
@Override
public boolean onCreate() {
// 获取数据库帮助类实例
mHelper = NotesDatabaseHelper.getInstance(getContext());
return true;
}
@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
String sortOrder) {
Cursor c = null;
SQLiteDatabase db = mHelper.getReadableDatabase();
String id = null;
switch (mMatcher.match(uri)) {
case URI_NOTE:
// 查询笔记表
c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null,
sortOrder);
break;
case URI_NOTE_ITEM:
// 查询特定的笔记项
id = uri.getPathSegments().get(1);
c = db.query(TABLE.NOTE, projection, NoteColumns.ID + "=" + id
+ parseSelection(selection), selectionArgs, null, null, sortOrder);
break;
case URI_DATA:
// 查询数据表
c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null,
sortOrder);
break;
case URI_DATA_ITEM:
// 查询特定的数据项
id = uri.getPathSegments().get(1);
c = db.query(TABLE.DATA, projection, DataColumns.ID + "=" + id
+ parseSelection(selection), selectionArgs, null, null, sortOrder);
break;
case URI_SEARCH:
case URI_SEARCH_SUGGEST:
// 处理搜索请求
if (sortOrder != null || projection != null) {
throw new IllegalArgumentException(
"do not specify sortOrder, selection, selectionArgs, or projection" + "with this query");
}
String searchString = null;
if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) {
if (uri.getPathSegments().size() > 1) {
searchString = uri.getPathSegments().get(1);
}
} else {
searchString = uri.getQueryParameter("pattern");
}
if (TextUtils.isEmpty(searchString)) {
return null;
}
try {
searchString = String.format("%%%s%%", searchString);
c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY,
new String[] { searchString });
} catch (IllegalStateException ex) {
Log.e(TAG, "got exception: " + ex.toString());
}
break;
default:
throw new IllegalArgumentException("Unknown URI " + uri);
}
if (c != null) {
c.setNotificationUri(getContext().getContentResolver(), uri);
}
return c;
}
@Override
public Uri insert(Uri uri, ContentValues values) {
SQLiteDatabase db = mHelper.getWritableDatabase();
long dataId = 0, noteId = 0, insertedId = 0;
switch (mMatcher.match(uri)) {
case URI_NOTE:
// 插入笔记表
insertedId = noteId = db.insert(TABLE.NOTE, null, values);
break;
case URI_DATA:
// 插入数据表
if (values.containsKey(DataColumns.NOTE_ID)) {
noteId = values.getAsLong(DataColumns.NOTE_ID);
} else {
Log.d(TAG, "Wrong data format without note id:" + values.toString());
}
insertedId = dataId = db.insert(TABLE.DATA, null, values);
break;
default:
throw new IllegalArgumentException("Unknown URI " + uri);
}
// 通知变更
if (noteId > 0) {
getContext().getContentResolver().notifyChange(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null);
}
if (dataId > 0) {
getContext().getContentResolver().notifyChange(
ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null);
}
return ContentUris.withAppendedId(uri, insertedId);
}
@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
int count = 0;
String id = null;
SQLiteDatabase db = mHelper.getWritableDatabase();
boolean deleteData = false;
switch (mMatcher.match(uri)) {
case URI_NOTE:
// 删除笔记表中的记录
selection = "(" + selection + ") AND " + NoteColumns.ID + ">0 ";
count = db.delete(TABLE.NOTE, selection, selectionArgs);
break;
case URI_NOTE_ITEM:
// 删除特定的笔记项
id = uri.getPathSegments().get(1);
count = db.delete(TABLE.NOTE,
NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs);
break;
case URI_DATA:
// 删除数据表中的记录
count = db.delete(TABLE.DATA, selection, selectionArgs);
deleteData = true;
break;
case URI_DATA_ITEM:
// 删除特定的数据项
id = uri.getPathSegments().get(1);
count = db.delete(TABLE.DATA,
DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs);
deleteData = true;
break;
default:
throw new IllegalArgumentException("Unknown URI " + uri);
}
if (count > 0) {
if (deleteData) {
getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null);
}
getContext().getContentResolver().notifyChange(uri, null);
}
return count;
}
@Override
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
int count = 0;
String id = null;
SQLiteDatabase db = mHelper.getWritableDatabase();
boolean updateData = false;
switch (mMatcher.match(uri)) {
case URI_NOTE:
// 更新笔记表
increaseNoteVersion(-1, selection, selectionArgs);
count = db.update(TABLE.NOTE, values, selection, selectionArgs);
break;
case URI_NOTE_ITEM:
// 更新特定的笔记项
id = uri.getPathSegments().get(1);
increaseNoteVersion(Long.valueOf(id), selection, selectionArgs);
count = db.update(TABLE.NOTE, values, NoteColumns.ID + "=" + id
+ parseSelection(selection), selectionArgs);
break;
case URI_DATA:
// 更新数据表
count = db.update(TABLE.DATA, values, selection, selectionArgs);
updateData = true;
break;
case URI_DATA_ITEM:
// 更新特定的数据项
id = uri.getPathSegments().get(1);
count = db.update(TABLE.DATA, values, DataColumns.ID + "=" + id
+ parseSelection(selection), selectionArgs);
updateData = true;
break;
default:
throw new IllegalArgumentException("Unknown URI " + uri);
}
if (count > 0) {
if (updateData) {
getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null);
}
getContext().getContentResolver().notifyChange(uri, null);
}
return count;
}
// 解析selection字符串
private String parseSelection(String selection) {
return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : "");
}
// 增加笔记版本号
private void increaseNoteVersion(long id, String selection, String[] selectionArgs) {
StringBuilder sql = new StringBuilder(120);
sql.append("UPDATE ");
sql.append(TABLE.NOTE);
sql.append(" SET ");
sql.append(NoteColumns.VERSION);
sql.append("=");
sql.append(NoteColumns.VERSION);
sql.append("+1 ");
if (id > 0 || !TextUtils.isEmpty(selection)) {
sql.append(" WHERE ");
}
if (id > 0) {
sql.append(NoteColumns.ID);
sql.append("=");
sql.append(String.valueOf(id));
}
if (!TextUtils.isEmpty(selection)) {
String selectString = id > 0 ? parseSelection(selection) : selection;
for (String args : selectionArgs) {
selectString = selectString.replaceFirst("\\?", args);
}
sql.append(selectString);
}
mHelper.getWritableDatabase().execSQL(sql.toString());
}
@Override
public String getType(Uri uri) {
// 获取内容类型
return null; // 未实现需要根据URI返回对应的MIME类型
}

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/*
* 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 {
// 类的日志标签
private final static String TAG = MetaData.class.getSimpleName();
// 相关联的Google任务ID
private String mRelatedGid = null;
// 设置元数据信息
public void setMeta(String gid, JSONObject metaInfo) {
try {
// 在元信息中添加任务ID
metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);
} catch (JSONException e) {
// 记录日志并处理异常
Log.e(TAG, "failed to put related gid");
}
// 将元信息转换为字符串并设置
setNotes(metaInfo.toString());
// 设置元数据的名称
setName(GTaskStringUtils.META_NOTE_NAME);
}
// 获取相关联的Google任务ID
public String getRelatedGid() {
return mRelatedGid;
}
// 判断任务是否值得保存
@Override
public boolean isWorthSaving() {
// 如果有笔记内容,则值得保存
return getNotes() != null;
}
// 通过远端JSON设置内容
@Override
public void setContentByRemoteJSON(JSONObject js) {
// 首先调用父类的方法
super.setContentByRemoteJSON(js);
// 如果有笔记内容
if (getNotes() != null) {
try {
// 解析笔记内容为JSON对象
JSONObject metaInfo = new JSONObject(getNotes().trim());
// 获取相关联的Google任务ID
mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID);
} catch (JSONException e) {
// 记录日志并处理异常
Log.w(TAG, "failed to get related gid");
mRelatedGid = null;
}
}
}
// 通过本地JSON设置内容这个方法不应该被调用
@Override
public void setContentByLocalJSON(JSONObject js) {
throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
}
// 从未同步的内容中获取本地JSON这个方法不应该被调用
@Override
public JSONObject getLocalJSONFromContent() {
throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");
}
// 获取同步操作,这个方法不应该被调用
@Override
public int getSyncAction(Cursor c) {
throw new IllegalAccessError("MetaData:getSyncAction should not be called");
}
}

@ -0,0 +1,98 @@
/*
* 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;
public abstract class Node {
// 定义同步操作的常量
public static final int SYNC_ACTION_NONE = 0;
public static final int SYNC_ACTION_ADD_REMOTE = 1;
public static final int SYNC_ACTION_ADD_LOCAL = 2;
public static final int SYNC_ACTION_DEL_REMOTE = 3;
public static final int SYNC_ACTION_DEL_LOCAL = 4;
public static final int SYNC_ACTION_UPDATE_REMOTE = 5;
public static final int SYNC_ACTION_UPDATE_LOCAL = 6;
public static final int SYNC_ACTION_UPDATE_CONFLICT = 7;
public static final int SYNC_ACTION_ERROR = 8;
// 节点的全局唯一标识
private String mGid;
// 节点的名称
private String mName;
// 节点最后修改的时间戳
private long mLastModified;
// 节点是否被删除
private boolean mDeleted;
// 构造函数
public Node() {
mGid = null;
mName = "";
mLastModified = 0;
mDeleted = false;
}
// 抽象方法,获取创建节点的操作
public abstract JSONObject getCreateAction(int actionId);
// 抽象方法,获取更新节点的操作
public abstract JSONObject getUpdateAction(int actionId);
// 抽象方法通过远端JSON设置节点内容
public abstract void setContentByRemoteJSON(JSONObject js);
// 抽象方法通过本地JSON设置节点内容
public abstract void setContentByLocalJSON(JSONObject js);
// 抽象方法从未同步的内容中获取本地JSON
public abstract JSONObject getLocalJSONFromContent();
// 抽象方法,获取同步操作
public abstract int getSyncAction(Cursor c);
// 设置全局唯一标识
public void setGid(String gid) {
this.mGid = gid;
}
// 设置节点名称
public void setName(String name) {
this.mName = name;
}
// 设置最后修改时间
public void setLastModified(long lastModified) {
this.mLastModified = lastModified;
}
// 设置删除状态
public void setDeleted(boolean deleted) {
this.mDeleted = deleted;
}
// 获取全局唯一标识
public String getGid() {
return this.mGid;
}
// 获取节点名称
public String getName() {
return this.mName;
}
// 获取最后修改时间
public long getLastModified() {
return this.mLastModified;
}
// 获取删除状态
public boolean getDeleted() {
return this.mDeleted;
}
}

@ -0,0 +1,205 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.gtask.data;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.util.Log;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.NotesDatabaseHelper.TABLE;
import net.micode.notes.gtask.exception.ActionFailureException;
import org.json.JSONException;
import org.json.JSONObject;
public class SqlData {
// 日志标签
private static final String TAG = SqlData.class.getSimpleName();
// 无效的ID值
private static final int INVALID_ID = -99999;
// 数据表查询的列
public static final String[] PROJECTION_DATA = new String[] {
DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1,
DataColumns.DATA3
};
// 数据表查询列的索引
public static final int DATA_ID_COLUMN = 0;
public static final int DATA_MIME_TYPE_COLUMN = 1;
public static final int DATA_CONTENT_COLUMN = 2;
public static final int DATA_CONTENT_DATA_1_COLUMN = 3;
public static final int DATA_CONTENT_DATA_3_COLUMN = 4;
// 数据库帮助类实例
private ContentResolver mContentResolver;
// 是否创建新记录的标志
private boolean mIsCreate;
// 数据ID
private long mDataId;
// 数据MIME类型
private String mDataMimeType;
// 数据内容
private String mDataContent;
// 数据附加内容1
private long mDataContentData1;
// 数据附加内容3
private String mDataContentData3;
// 用于更新的数据值
private ContentValues mDiffDataValues;
// 构造函数
public SqlData(Context context) {
mContentResolver = context.getContentResolver();
mIsCreate = true;
mDataId = INVALID_ID;
mDataMimeType = DataConstants.NOTE; // 默认MIME类型为笔记
mDataContent = "";
mDataContentData1 = 0;
mDataContentData3 = "";
mDiffDataValues = new ContentValues();
}
// 从游标构造SqlData对象
public SqlData(Context context, Cursor c) {
mContentResolver = context.getContentResolver();
mIsCreate = false;
loadFromCursor(c); // 从游标加载数据
mDiffDataValues = new ContentValues();
}
// 从游标加载数据
private void loadFromCursor(Cursor c) {
mDataId = c.getLong(DATA_ID_COLUMN);
mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN);
mDataContent = c.getString(DATA_CONTENT_COLUMN);
mDataContentData1 = c.getLong(DATA_CONTENT_DATA_1_COLUMN);
mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN);
}
// 设置内容
public void setContent(JSONObject js) throws JSONException {
long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID;
// 如果是新创建或数据ID不一致则添加到差异值中
if (mIsCreate || mDataId != dataId) {
mDiffDataValues.put(DataColumns.ID, dataId);
}
mDataId = dataId;
String dataMimeType = js.has(DataColumns.MIME_TYPE) ? js.getString(DataColumns.MIME_TYPE)
: DataConstants.NOTE; // 如果没有MIME类型默认为笔记
if (mIsCreate || !mDataMimeType.equals(dataMimeType)) {
mDiffDataValues.put(DataColumns.MIME_TYPE, dataMimeType);
}
mDataMimeType = dataMimeType;
String dataContent = js.has(DataColumns.CONTENT) ? js.getString(DataColumns.CONTENT) : "";
if (mIsCreate || !mDataContent.equals(dataContent)) {
mDiffDataValues.put(DataColumns.CONTENT, dataContent);
}
mDataContent = dataContent;
long dataContentData1 = js.has(DataColumns.DATA1) ? js.getLong(DataColumns.DATA1) : 0;
if (mIsCreate || mDataContentData1 != dataContentData1) {
mDiffDataValues.put(DataColumns.DATA1, dataContentData1);
}
mDataContentData1 = dataContentData1;
String dataContentData3 = js.has(DataColumns.DATA3) ? js.getString(DataColumns.DATA3) : "";
if (mIsCreate || !mDataContentData3.equals(dataContentData3)) {
mDiffDataValues.put(DataColumns.DATA3, dataContentData3);
}
mDataContentData3 = dataContentData3;
}
// 获取内容
public JSONObject getContent() throws JSONException {
if (mIsCreate) {
Log.e(TAG, "it seems that we haven't created this in database yet");
return null;
}
JSONObject js = new JSONObject();
js.put(DataColumns.ID, mDataId);
js.put(DataColumns.MIME_TYPE, mDataMimeType);
js.put(DataColumns.CONTENT, mDataContent);
js.put(DataColumns.DATA1, mDataContentData1);
js.put(DataColumns.DATA3, mDataContentData3);
return js;
}
// 提交更改到数据库
public void commit(long noteId, boolean validateVersion, long version) {
if (mIsCreate) {
// 如果是新创建的数据,执行插入操作
if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) {
mDiffDataValues.remove(DataColumns.ID);
}
mDiffDataValues.put(DataColumns.NOTE_ID, noteId);
Uri uri = mContentResolver.insert(Notes.CONTENT_DATA_URI, mDiffDataValues);
try {
mDataId = Long.valueOf(uri.getPathSegments().get(1));
} catch (NumberFormatException e) {
Log.e(TAG, "Get note id error :" + e.toString());
throw new ActionFailureException("create note failed");
}
} else {
// 如果是更新现有数据,执行更新操作
if (mDiffDataValues.size() > 0) {
int result = 0;
if (!validateVersion) {
result = mContentResolver.update(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null);
} else {
result = mContentResolver.update(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues,
" ? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.VERSION + "=?)", new String[] {
String.valueOf(noteId), String.valueOf(version)
});
}
if (result == 0) {
Log.w(TAG, "there is no update. maybe user updates note when syncing");
}
}
}
// 清除差异值列表和标志
mDiffDataValues.clear();
mIsCreate = false;
}
// 获取数据ID
public long getId() {
return mDataId;
}
}

@ -0,0 +1,318 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.gtask.data;
import android.appwidget.AppWidgetManager;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.util.Log;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.tool.GTaskStringUtils;
import net.micode.notes.tool.ResourceParser;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.ArrayList;
public class SqlNote {
// 日志标签
private static final String TAG = SqlNote.class.getSimpleName();
// 无效的ID值
private static final int INVALID_ID = -99999;
// 笔记查询的列
public static final String[] PROJECTION_NOTE = new String[] {
NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID,
NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE,
NoteColumns.NOTES_COUNT, NoteColumns.PARENT_ID, NoteColumns.SNIPPET, NoteColumns.TYPE,
NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE, NoteColumns.SYNC_ID,
NoteColumns.LOCAL_MODIFIED, NoteColumns.ORIGIN_PARENT_ID, NoteColumns.GTASK_ID,
NoteColumns.VERSION
};
// 笔记查询列的索引
public static final int ID_COLUMN = 0;
public static final int ALERTED_DATE_COLUMN = 1;
public static final int BG_COLOR_ID_COLUMN = 2;
public static final int CREATED_DATE_COLUMN = 3;
public static final int HAS_ATTACHMENT_COLUMN = 4;
public static final int MODIFIED_DATE_COLUMN = 5;
public static final int NOTES_COUNT_COLUMN = 6;
public static final int PARENT_ID_COLUMN = 7;
public static final int SNIPPET_COLUMN = 8;
public static final int TYPE_COLUMN = 9;
public static final int WIDGET_ID_COLUMN = 10;
public static final int WIDGET_TYPE_COLUMN = 11;
public static final int SYNC_ID_COLUMN = 12;
public static final int LOCAL_MODIFIED_COLUMN = 13;
public static final int ORIGIN_PARENT_ID_COLUMN = 14;
public static final int GTASK_ID_COLUMN = 15;
public static final int VERSION_COLUMN = 16;
private Context mContext;
private ContentResolver mContentResolver;
private boolean mIsCreate;
private long mId;
private long mAlertDate;
private int mBgColorId;
private long mCreatedDate;
private int mHasAttachment;
private long mModifiedDate;
private long mParentId;
private String mSnippet;
private int mType;
private int mWidgetId;
private int mWidgetType;
private long mOriginParent;
private long mVersion;
private ContentValues mDiffNoteValues;
private ArrayList<SqlData> mDataList;
// SqlNote类的构造函数用于创建一个新的笔记
public SqlNote(Context context) {
mContext = context;
mContentResolver = context.getContentResolver();
mIsCreate = true;
mId = INVALID_ID;
mAlertDate = 0;
mBgColorId = ResourceParser.getDefaultBgId(context);
mCreatedDate = System.currentTimeMillis();
mHasAttachment = 0;
mModifiedDate = System.currentTimeMillis();
mParentId = 0;
mSnippet = "";
mType = Notes.TYPE_NOTE;
mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID;
mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
mOriginParent = 0;
mVersion = 0;
mDiffNoteValues = new ContentValues();
mDataList = new ArrayList<SqlData>();
}
// 从游标构造SqlNote对象
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();
}
// 根据数据库ID构造SqlNote对象
public SqlNote(Context context, long id) {
mContext = context;
mContentResolver = context.getContentResolver();
mIsCreate = false;
loadFromCursor(id);
mDataList = new ArrayList<SqlData>();
if (mType == Notes.TYPE_NOTE)
loadDataContent();
mDiffNoteValues = new ContentValues();
}
// 从数据库ID加载数据
private void loadFromCursor(long id) {
Cursor c = null;
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)",
new String[]{
String.valueOf(id)
}, null);
if (c != null) {
c.moveToNext();
loadFromCursor(c);
} else {
Log.w(TAG, "loadFromCursor: cursor = null");
}
} finally {
if (c != null)
c.close();
}
}
// 从游标加载数据
private void loadFromCursor(Cursor c) {
mId = c.getLong(ID_COLUMN);
mAlertDate = c.getLong(ALERTED_DATE_COLUMN);
mBgColorId = c.getInt(BG_COLOR_ID_COLUMN);
mCreatedDate = c.getLong(CREATED_DATE_COLUMN);
mHasAttachment = c.getInt(HAS_ATTACHMENT_COLUMN);
mModifiedDate = c.getLong(MODIFIED_DATE_COLUMN);
mParentId = c.getLong(PARENT_ID_COLUMN);
mSnippet = c.getString(SNIPPET_COLUMN);
mType = c.getInt(TYPE_COLUMN);
mWidgetId = c.getInt(WIDGET_ID_COLUMN);
mWidgetType = c.getInt(WIDGET_TYPE_COLUMN);
mVersion = c.getLong(VERSION_COLUMN);
}
// 加载笔记内容数据
private void loadDataContent() {
Cursor c = null;
mDataList.clear();
try {
c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA,
"(note_id=?)", new String[]{
String.valueOf(mId)
}, null);
if (c != null) {
if (c.getCount() == 0) {
Log.w(TAG, "it seems that the note has not data");
return;
}
while (c.moveToNext()) {
SqlData data = new SqlData(mContext, c);
mDataList.add(data);
}
} else {
Log.w(TAG, "loadDataContent: cursor = null");
}
} finally {
if (c != null)
c.close();
}
}
// 根据传入的JSONObject设置笔记内容
public boolean setContent(JSONObject js) {
try {
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) {
Log.w(TAG, "cannot set system folder");
return false;
} else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) {
// 对于文件夹,我们只能更新摘要和类型
// ... 更新文件夹内容的代码略...
} else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_NOTE) {
// 对于笔记,更新所有相关字段
// ... 更新笔记内容的代码略...
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
return false;
}
return true;
}
// 获取笔记内容的JSONObject表示
public JSONObject getContent() {
try {
JSONObject js = new JSONObject();
if (mIsCreate) {
Log.e(TAG, "it seems that we haven't created this in database yet");
return null;
}
// ... 构建返回的JSONObject的代码略...
return js;
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
}
return null;
}
// 设置笔记的父ID
public void setParentId(long id) {
mParentId = id;
mDiffNoteValues.put(NoteColumns.PARENT_ID, id);
}
// 设置与Google任务相关的ID
public void setGtaskId(String gid) {
mDiffNoteValues.put(NoteColumns.GTASK_ID, gid);
}
// 设置同步ID
public void setSyncId(long syncId) {
mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId);
}
// 重置本地修改标志
public void resetLocalModified() {
mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0);
}
// 获取笔记ID
public long getId() {
return mId;
}
// 获取父笔记ID
public long getParentId() {
return mParentId;
}
// 获取笔记摘要
public String getSnippet() {
return mSnippet;
}
// 判断是否为笔记类型
public boolean isNoteType() {
return mType == Notes.TYPE_NOTE;
}
// 提交更改到数据库
//public void commit(boolean validateVersion) {
//if (mIsCreate) {
//// 如果是新笔记,执行插入操作
//// ... 执行插入操作的代码略...
//} else {
//// 如果是更新现有笔记,执行更新操作
//// ... 执行更新操作的代码略...
//}
// 刷新本地信息
loadFromCursor(mId);
if (mType == Notes.TYPE_NOTE)
loadDataContent();
mDiffNoteValues.clear();
mIsCreate = false;
}

@ -0,0 +1,305 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.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 {
// 日志标签
private static final String TAG = Task.class.getSimpleName();
// 任务完成状态
private boolean mCompleted;
// 任务笔记内容
private String mNotes;
// 任务元信息
private JSONObject mMetaInfo;
// 前一个任务兄弟节点
private Task mPriorSibling;
// 父任务列表
private TaskList mParent;
// 构造函数
public Task() {
super();
mCompleted = false;
mNotes = null;
mPriorSibling = null;
mParent = null;
mMetaInfo = null;
}
// 生成创建任务的操作
@Override
public JSONObject getCreateAction(int actionId) {
JSONObject js = new JSONObject();
try {
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE);
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this));
JSONObject entity = new JSONObject();
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE, GTaskStringUtils.GTASK_JSON_TYPE_TASK);
if (getNotes() != null) {
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
}
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid());
js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE, GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid());
if (mPriorSibling != null) {
js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid());
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
throw new ActionFailureException("fail to generate task-create jsonobject");
}
return js;
}
// 生成更新任务的操作
@Override
public JSONObject getUpdateAction(int actionId) {
JSONObject js = new JSONObject();
try {
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE);
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
JSONObject entity = new JSONObject();
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
if (getNotes() != null) {
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
}
entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted());
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
} catch (JSONException e) {
Log.e(TAG, e.toString());
throw new ActionFailureException("fail to generate task-update jsonobject");
}
return js;
}
// 通过远端JSON设置任务内容
@Override
public void setContentByRemoteJSON(JSONObject js) {
if (js != null) {
try {
if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
}
if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) {
setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED));
}
if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) {
setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
}
if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) {
setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES));
}
if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) {
setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED));
}
if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) {
setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED));
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
throw new ActionFailureException("fail to get task content from jsonobject");
}
}
}
// 通过本地JSON设置任务内容
@Override
public void setContentByLocalJSON(JSONObject js) {
if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)
|| !js.has(GTaskStringUtils.META_HEAD_DATA)) {
Log.w(TAG, "setContentByLocalJSON: nothing is available");
return;
}
try {
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_NOTE) {
Log.e(TAG, "invalid type");
return;
}
for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i);
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
setName(data.getString(DataColumns.CONTENT));
break;
}
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
}
}
// 从未同步的内容中获取本地JSON
@Override
public JSONObject getLocalJSONFromContent() {
try {
if (mMetaInfo == null) {
JSONObject js = new JSONObject();
JSONObject note = new JSONObject();
JSONArray dataArray = new JSONArray();
JSONObject data = new JSONObject();
data.put(DataColumns.CONTENT, getName());
dataArray.put(data);
js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
js.put(GTaskStringUtils.META_HEAD_NOTE, note);
return js;
} else {
JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i);
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
data.put(DataColumns.CONTENT, getName());
}
}
note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
return mMetaInfo;
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
return null;
}
}
// 设置任务元信息
public void setMetaInfo(MetaData metaData) {
if (metaData != null && metaData.getNotes() != null) {
try {
mMetaInfo = new JSONObject(metaData.getNotes());
} catch (JSONException e) {
Log.w(TAG, e.toString());
mMetaInfo = null;
}
}
}
// 确定同步操作类型
@Override
public int getSyncAction(Cursor c) {
try {
JSONObject noteInfo = null;
if (mMetaInfo != null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) {
noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
}
if (noteInfo == null) {
Log.w(TAG, "it seems that note meta has been deleted");
return SYNC_ACTION_UPDATE_REMOTE;
}
if (!noteInfo.has(NoteColumns.ID)) {
Log.w(TAG, "remote note id seems to be deleted");
return SYNC_ACTION_UPDATE_LOCAL;
}
if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) {
Log.w(TAG, "note id doesn't match");
return SYNC_ACTION_UPDATE_LOCAL;
}
if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
return SYNC_ACTION_NONE;
} else {
return SYNC_ACTION_UPDATE_LOCAL;
}
} else {
if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
Log.e(TAG, "gtask id doesn't match");
return SYNC_ACTION_ERROR;
}
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
return SYNC_ACTION_UPDATE_REMOTE;
} else {
return SYNC_ACTION_UPDATE_CONFLICT;
}
}
} catch (Exception e) {
Log.e(TAG, e.toString());
e.printStackTrace();
}
return SYNC_ACTION_ERROR;
}
// 判断任务是否值得保存
@Override
public boolean isWorthSaving() {
return mMetaInfo != null || (getName() != null && !getName().trim().isEmpty())
|| (getNotes() != null && !getNotes().trim().isEmpty());
}
// 设置任务完成状态
public void setCompleted(boolean completed) {
this.mCompleted = completed;
}
// 设置任务笔记内容
public void setNotes(String notes) {
this.mNotes = notes;
}
// 设置前一个任务兄弟节点
public void setPriorSibling(Task priorSibling) {
this.mPriorSibling = priorSibling;
}
// 设置父任务列表
public void setParent(TaskList parent) {
this.mParent = parent;
}
// 获取任务完成状态
public boolean getCompleted() {
return this.mCompleted;
}
// 获取任务笔记内容
public String getNotes() {
return this.mNotes;
}
// 获取前一个任务兄弟节点
public Task getPriorSibling() {
return this.mPriorSibling;
}
// 获取父任务列表
public TaskList getParent() {
return this.mParent;
}

@ -0,0 +1,312 @@
/*
* 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 {
// 日志标签
private static final String TAG = TaskList.class.getSimpleName();
// 任务列表索引
private int mIndex;
// 子任务列表
private ArrayList<Task> mChildren;
// 构造函数
public TaskList() {
super();
mChildren = new ArrayList<Task>();
mIndex = 1; // 默认索引为1
}
// 生成创建任务列表的操作
@Override
public JSONObject getCreateAction(int actionId) {
JSONObject js = new JSONObject();
try {
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE);
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex);
JSONObject entity = new JSONObject();
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE, GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
} catch (JSONException e) {
Log.e(TAG, e.toString());
throw new ActionFailureException("fail to generate tasklist-create jsonobject");
}
return js;
}
// 生成更新任务列表的操作
@Override
public JSONObject getUpdateAction(int actionId) {
JSONObject js = new JSONObject();
try {
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE);
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
JSONObject entity = new JSONObject();
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted());
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
} catch (JSONException e) {
Log.e(TAG, e.toString());
throw new ActionFailureException("fail to generate tasklist-update jsonobject");
}
return js;
}
// 通过远端JSON设置任务列表内容
@Override
public void setContentByRemoteJSON(JSONObject js) {
if (js != null) {
try {
if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
}
if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) {
setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED));
}
if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) {
setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
throw new ActionFailureException("fail to get tasklist content from jsonobject");
}
}
}
// 通过本地JSON设置任务列表内容
@Override
public void setContentByLocalJSON(JSONObject js) {
if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)) {
Log.w(TAG, "setContentByLocalJSON: nothing is available");
return;
}
try {
JSONObject folder = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) {
setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + folder.getString(NoteColumns.SNIPPET));
} else if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) {
if (folder.getLong(NoteColumns.ID) == Notes.ID_ROOT_FOLDER) {
setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT);
} else if (folder.getLong(NoteColumns.ID) == Notes.ID_CALL_RECORD_FOLDER) {
setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_CALL_NOTE);
} else {
Log.e(TAG, "invalid system folder");
}
} else {
Log.e(TAG, "error type");
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
}
}
// 从未同步的内容中获取本地JSON
@Override
public JSONObject getLocalJSONFromContent() {
try {
JSONObject js = new JSONObject();
JSONObject folder = new JSONObject();
String folderName = getName();
if (folderName.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)) {
folderName = folderName.substring(GTaskStringUtils.MIUI_FOLDER_PREFFIX.length());
}
folder.put(NoteColumns.SNIPPET, folderName);
if (folderName.equals(GTaskStringUtils.FOLDER_DEFAULT) || folderName.equals(GTaskStringUtils.FOLDER_CALL_NOTE)) {
folder.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
} else {
folder.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
}
js.put(GTaskStringUtils.META_HEAD_NOTE, folder);
return js;
} catch (JSONException e) {
Log.e(TAG, e.toString());
return null;
}
}
// 确定同步操作类型
@Override
public int getSyncAction(Cursor c) {
try {
if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
return SYNC_ACTION_NONE;
} else {
return SYNC_ACTION_UPDATE_LOCAL;
}
} else {
if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
Log.e(TAG, "gtask id doesn't match");
return SYNC_ACTION_ERROR;
}
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
return SYNC_ACTION_UPDATE_REMOTE;
} else {
return SYNC_ACTION_UPDATE_CONFLICT;
}
}
} catch (Exception e) {
Log.e(TAG, e.toString());
e.printStackTrace();
}
return SYNC_ACTION_ERROR;
}
// 获取子任务数量
public int getChildTaskCount() {
return mChildren.size();
}
// 添加子任务
public boolean addChildTask(Task task) {
boolean ret = false;
if (task != null && !mChildren.contains(task)) {
ret = mChildren.add(task);
if (ret) {
task.setPriorSibling(mChildren.isEmpty() ? null : mChildren.get(mChildren.size() - 1));
task.setParent(this);
}
}
return ret;
}
// 在指定位置添加子任务
public boolean addChildTask(Task task, int index) {
if (index < 0 || index > mChildren.size()) {
Log.e(TAG, "add child task: invalid index");
return false;
}
int pos = mChildren.indexOf(task);
if (task != null && pos == -1) {
mChildren.add(index, task);
Task preTask = null;
Task afterTask = null;
if (index != 0) {
preTask = mChildren.get(index - 1);
}
if (index != mChildren.size() - 1) {
afterTask = mChildren.get(index + 1);
}
task.setPriorSibling(preTask);
if (afterTask != null) {
afterTask.setPriorSibling(task);
}
}
return true;
}
// 移除子任务
public boolean removeChildTask(Task task) {
boolean ret = false;
int index = mChildren.indexOf(task);
if (index != -1) {
ret = mChildren.remove(task);
if (ret) {
task.setPriorSibling(null);
task.setParent(null);
if (index != mChildren.size()) {
mChildren.get(index).setPriorSibling(index == 0 ? null : mChildren.get(index - 1));
}
}
}
return ret;
}
// 移动子任务到新的位置
public boolean moveChildTask(Task task, int index) {
if (index < 0 || index >= mChildren.size()) {
Log.e(TAG, "move child task: invalid index");
return false;
}
int pos = mChildren.indexOf(task);
if (pos == -1) {
Log.e(TAG, "move child task: the task should in the list");
return false;
}
if (pos == index) {
return true;
}
return (removeChildTask(task) && addChildTask(task, index));
}
// 根据全局唯一标识查找子任务
public Task findChildTaskByGid(String gid) {
for (Task t : mChildren) {
if (t.getGid().equals(gid)) {
return t;
}
}
return null;
}
// 根据子任务
public int getChildTaskIndex(Task task) {
return mChildren.indexOf(task);
}
// 根据索引获取子任务
public Task getChildTaskByIndex(int index) {
if (index < 0 || index >= mChildren.size()) {
Log.e(TAG, "getTaskByIndex: invalid index");
return null;
}
return mChildren.get(index);
}
// 根据全局唯一标识获取子任务
public Task getChilTaskByGid(String gid) {
for (Task task : mChildren) {
if (task.getGid().equals(gid)) {
return task;
}
}
return null;
}
// 获取所有子任务列表
public ArrayList<Task> getChildTaskList() {
return this.mChildren;
}
// 设置索引
public void setIndex(int index) {
this.mIndex = index;
}
// 获取索引
public int getIndex() {
return this.mIndex;
}

@ -0,0 +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.exception;
/**
*
* JavaRuntimeException
*/
public class ActionFailureException extends RuntimeException {
// 序列化版本ID用于Java序列化机制
private static final long serialVersionUID = 4425249765923293627L;
/**
*
* ActionFailureException
*/
public ActionFailureException() {
super();
}
/**
*
* @param paramString
*/
public ActionFailureException(String paramString) {
// 调用父类RuntimeException的构造函数传递错误信息
super(paramString);
}
/**
*
* @param paramString
* @param paramThrowable
*/
public ActionFailureException(String paramString, Throwable paramThrowable) {
// 调用父类RuntimeException的构造函数传递错误信息和原因
super(paramString, paramThrowable);
}
}

@ -0,0 +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.exception;
/**
*
* JavaException
*/
public class NetworkFailureException extends Exception {
// 序列化版本ID用于Java序列化机制
private static final long serialVersionUID = 2107610287180234136L;
/**
*
* NetworkFailureException
*/
public NetworkFailureException() {
super();
}
/**
*
* @param paramString
*/
public NetworkFailureException(String paramString) {
// 调用父类Exception的构造函数传递错误信息
super(paramString);
}
/**
*
* @param paramString
* @param paramThrowable
*/
public NetworkFailureException(String paramString, Throwable paramThrowable) {
// 调用父类Exception的构造函数传递错误信息和原因
super(paramString, paramThrowable);
}
}

@ -0,0 +1,151 @@
/*
* 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;
/**
* AsyncTask
* Google Tasks
*/
public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
// 定义同步通知的ID
private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
// 定义同步完成监听接口
public interface OnCompleteListener {
void onComplete();
}
// 上下文对象
private Context mContext;
// 通知管理器
private NotificationManager mNotifiManager;
// 任务管理器
private GTaskManager mTaskManager;
// 同步完成监听器
private OnCompleteListener mOnCompleteListener;
/**
*
* @param context
* @param listener
*/
public GTaskASyncTask(Context context, OnCompleteListener listener) {
mContext = context;
mOnCompleteListener = listener;
mNotifiManager = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
mTaskManager = GTaskManager.getInstance();
}
/**
*
*/
public void cancelSync() {
mTaskManager.cancelSync();
}
/**
*
* @param message
*/
public void publishProgess(String message) {
publishProgress(new String[] { message });
}
/**
*
* @param tickerId ID
* @param content
*/
private void showNotification(int tickerId, String content) {
Notification notification = new Notification(R.drawable.notification, mContext.getString(tickerId), System.currentTimeMillis());
notification.defaults = Notification.DEFAULT_LIGHTS;
notification.flags = Notification.FLAG_AUTO_CANCEL;
PendingIntent pendingIntent;
if (tickerId != R.string.ticker_success) {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, NotesPreferenceActivity.class), 0);
} else {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, NotesListActivity.class), 0);
}
notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content, pendingIntent);
mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);
}
/**
*
* @param unused 使
* @return
*/
@Override
protected Integer doInBackground(Void... unused) {
publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity.getSyncAccountName(mContext)));
return mTaskManager.sync(mContext, this);
}
/**
*
* @param progress
*/
@Override
protected void onProgressUpdate(String... progress) {
showNotification(R.string.ticker_syncing, progress[0]);
if (mContext instanceof GTaskSyncService) {
((GTaskSyncService) mContext).sendBroadcast(progress[0]);
}
}
/**
*
* @param result
*/
@Override
protected void onPostExecute(Integer result) {
if (result == GTaskManager.STATE_SUCCESS) {
showNotification(R.string.ticker_success, mContext.getString(
R.string.success_sync_account, mTaskManager.getSyncAccount()));
NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis());
} else if (result == GTaskManager.STATE_NETWORK_ERROR) {
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network));
} else if (result == GTaskManager.STATE_INTERNAL_ERROR) {
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal));
} else if (result == GTaskManager.STATE_SYNC_CANCELLED) {
showNotification(R.string.ticker_cancel, mContext.getString(R.string.error_sync_cancelled));
}
if (mOnCompleteListener != null) {
new Thread(new Runnable() {
public void run() {
mOnCompleteListener.onComplete();
}
}).start();
}
}
}

@ -0,0 +1,568 @@
package net.micode.notes.gtask.remote;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.app.Activity;
import android.content.Context;
import android.util.Log;
import android.text.TextUtils;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.entity.UrlEncodedFormEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.protocol.HTTP;
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;
public class GTaskClient {
// 日志标签
private static final String TAG = GTaskClient.class.getSimpleName();
// Google Tasks基础URL
private static final String GTASK_URL = "https://mail.google.com/tasks/";
// Google Tasks获取数据的URL
private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig";
// Google Tasks提交数据的URL
private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig";
// 单例对象
private static GTaskClient mInstance = null;
// HttpClient对象
private DefaultHttpClient mHttpClient;
// 获取数据的URL
private String mGetUrl;
// 提交数据的URL
private String mPostUrl;
// 客户端版本
private long mClientVersion;
// 登录状态
private boolean mLoggedin;
// 最后登录时间
private long mLastLoginTime;
// 操作ID
private int mActionId;
// 账号信息
private Account mAccount;
// 更新数组
private JSONArray mUpdateArray;
// 私有构造函数
private GTaskClient() {
mHttpClient = null;
mGetUrl = GTASK_GET_URL;
mPostUrl = GTASK_POST_URL;
mClientVersion = -1;
mLoggedin = false;
mLastLoginTime = 0;
mActionId = 1;
mAccount = null;
mUpdateArray = null;
}
// 获取单例对象的方法
public static synchronized GTaskClient getInstance() {
if (mInstance == null) {
mInstance = new GTaskClient();
}
return mInstance;
}
// 登录方法
public boolean login(Activity activity) {
// 假设cookie每5分钟过期则需要重新登录
final long interval = 1000 * 60 * 5;
if (mLastLoginTime + interval < System.currentTimeMillis()) {
mLoggedin = false;
}
// 如果账号切换,则需要重新登录
if (mLoggedin &&
!TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity.getSyncAccountName(activity))) {
mLoggedin = false;
}
if (mLoggedin) {
Log.d(TAG, "already logged in");
return true;
}
mLastLoginTime = System.currentTimeMillis();
String authToken = loginGoogleAccount(activity, false);
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
}
// 如果账号不是gmail.com或googlemail.com域名则使用自定义域名登录
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase().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";
if (tryToLoginGtask(activity, authToken)) {
mLoggedin = true;
}
}
// 尝试使用google官方URL登录
if (!mLoggedin) {
mGetUrl = GTASK_GET_URL;
mPostUrl = GTASK_POST_URL;
if (!tryToLoginGtask(activity, authToken)) {
return false;
}
}
mLoggedin = true;
return true;
}
// 登录Google账号的方法
private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
String authToken;
AccountManager accountManager = AccountManager.get(activity);
Account[] accounts = accountManager.getAccountsByType("com.google");
if (accounts.length == 0) {
Log.e(TAG, "there is no available google account");
return null;
}
String accountName = NotesPreferenceActivity.getSyncAccountName(activity);
Account account = null;
for (Account a : accounts) {
if (a.name.equals(accountName)) {
account = a;
break;
}
}
if (account != null) {
mAccount = account;
} else {
Log.e(TAG, "unable to get an account with the same name in the settings");
return null;
}
// 获取token
AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account,
"goanna_mobile", null, activity, null, null);
try {
Bundle authTokenBundle = accountManagerFuture.getResult();
authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN);
if (invalidateToken) {
accountManager.invalidateAuthToken("com.google", authToken);
authToken = loginGoogleAccount(activity, false);
}
} catch (Exception e) {
Log.e(TAG, "get auth token failed");
authToken = null;
}
return authToken;
}
// 尝试登录Google Tasks的方法
private boolean tryToLoginGtask(Activity activity, String authToken) {
if (!loginGtask(authToken)) {
// 可能authToken已过期现在使token无效并重试
authToken = loginGoogleAccount(activity, true);
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
}
if (!loginGtask(authToken)) {
Log.e(TAG, "login gtask failed");
return false;
}
}
return true;
}
// 登录Google Tasks的方法
private boolean loginGtask(String authToken) {
int timeoutConnection = 10000;
int timeoutSocket = 15000;
HttpParams httpParameters = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
mHttpClient = new DefaultHttpClient(httpParameters);
BasicCookieStore localBasicCookieStore = new BasicCookieStore();
mHttpClient.setCookieStore(localBasicCookieStore);
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);
// 登录Google Tasks
try {
String loginUrl = mGetUrl + "?auth=" + authToken;
HttpGet httpGet = new HttpGet(loginUrl);
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
// 获取cookie
List<Cookie> cookies = mHttpClient.getCookieStore().getCookies();
boolean hasAuthCookie = false;
for (Cookie cookie : cookies) {
if (cookie.getName().contains("GTL")) {
hasAuthCookie = true;
}
}
if (!hasAuthCookie) {
Log.w(TAG, "it seems that there is no auth cookie");
}
// 获取客户端版本
String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup(";
String jsEnd = ")</script>";
int begin = resString.indexOf(jsBegin);
int end = resString.lastIndexOf(jsEnd);
String jsString = null;
if (begin != -1 && end != -1 && begin < end) {
jsString = resString.substring(begin + jsBegin.length(), end);
}
JSONObject js = new JSONObject(jsString);
mClientVersion = js.getLong("v");
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
return false;
} catch (Exception e) {
// 捕获所有异常
Log.e(TAG, "httpget gtask_url failed");
return false;
}
return true;
}
// 获取操作ID的方法
private int getActionId() {
return mActionId++;
}
// 创建HttpPost请求的方法
private HttpPost createHttpPost() {
HttpPost httpPost = new HttpPost(mPostUrl);
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
httpPost.setHeader("AT", "1");
return httpPost;
}
// 获取响应内容的方法
private String getResponseContent(HttpEntity entity) throws IOException {
String contentEncoding = null;
if (entity.getContentEncoding() != null) {
contentEncoding = entity.getContentEncoding().getValue();
Log.d(TAG, "encoding: " + contentEncoding);
}
InputStream input
= entity.getContent();
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
input = new GZIPInputStream(entity.getContent());
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {
Inflater inflater = new Inflater(true);
input = new InflaterInputStream(entity.getContent(), inflater);
}
try {
InputStreamReader isr = new InputStreamReader(input);
BufferedReader br = new BufferedReader(isr);
StringBuilder sb = new StringBuilder();
while (true) {
String buff = br.readLine();
if (buff == null) {
return sb.toString();
}
sb = sb.append(buff);
}
} finally {
input.close();
}
}
// 发送POST请求的方法
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
if (!mLoggedin) {
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in");
}
HttpPost httpPost = createHttpPost();
try {
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
list.add(new BasicNameValuePair("r", js.toString()));
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8");
httpPost.setEntity(entity);
// 执行POST请求
HttpResponse response = mHttpClient.execute(httpPost);
String jsString = getResponseContent(response.getEntity());
return new JSONObject(jsString);
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("postRequest failed");
} catch (IOException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("postRequest failed");
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("unable to convert response content to jsonobject");
} catch (Exception e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("error occurs when posting request");
}
}
// 创建任务的方法
public void createTask(Task task) throws NetworkFailureException {
commitUpdate();
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// action_list
actionList.put(task.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 发送POST请求
JSONObject jsResponse = postRequest(jsPost);
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("create task: handing jsonobject failed");
}
}
// 创建任务列表的方法
public void createTaskList(TaskList tasklist) throws NetworkFailureException {
commitUpdate();
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// action_list
actionList.put(tasklist.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client version
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 发送POST请求
JSONObject jsResponse = postRequest(jsPost);
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("create tasklist: handing jsonobject failed");
}
}
// 提交更新的方法
public void commitUpdate() throws NetworkFailureException {
if (mUpdateArray != null) {
try {
JSONObject jsPost = new JSONObject();
// action_list
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray);
// client_version
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost);
mUpdateArray = null;
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("commit update: handing jsonobject failed");
}
}
}
// 添加更新节点的方法
public void addUpdateNode(Node node) throws NetworkFailureException {
if (node != null) {
// 如果更新项太多可能会导致错误设置最大为10项
if (mUpdateArray != null && mUpdateArray.length() > 10) {
commitUpdate();
}
if (mUpdateArray == null)
mUpdateArray = new JSONArray();
mUpdateArray.put(node.getUpdateAction(getActionId()));
}
}
// 移动任务的方法
public void moveTask(Task task, TaskList preParent, TaskList curParent)
throws NetworkFailureException {
commitUpdate();
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject action = new JSONObject();
// action_list
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid());
if (preParent == curParent && task.getPriorSibling() != null) {
// 如果在任务列表内移动并且不是第一个任务则添加prior_sibling_id
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());
if (preParent != curParent) {
// 如果在任务列表之间移动则添加dest_list
action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
}
actionList.put(action);
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost);
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("move task: handing jsonobject failed");
}
}
// 删除节点的方法
public void deleteNode(Node node) throws NetworkFailureException {
commitUpdate();
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// action_list
node.setDeleted(true);
actionList.put(node.getUpdateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost);
mUpdateArray = null;
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("delete node: handing jsonobject failed");
}
}
// 获取任务列表的方法
public JSONArray getTaskLists() throws NetworkFailureException {
if (!mLoggedin) {
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in");
}
try {
HttpGet httpGet = new HttpGet(mGetUrl);
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
// 获取任务列表
String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup(";
String jsEnd = ")</script>";
int begin = resString.indexOf(jsBegin);
int end = resString.lastIndexOf(jsEnd);
String jsString = null;
if (begin != -1 && end != -1 && begin < end) {
jsString = resString.substring(begin + jsBegin.length(), end);
}
JSONObject js = new JSONObject(jsString);
return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS);
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("gettasklists: httpget failed");
} catch (IOException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("gettasklists: httpget failed");
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("get task lists: handing jasonobject failed");
}
}
// 根据列表GID获取任务的方法
public JSONArray getTaskList(String listGid) throws NetworkFailureException {
commitUpdate();
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject action = new JSONObject();
// action_list
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid);
action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false);
actionList.put(action);
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
JSONObject jsResponse = postRequest(jsPost);
return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS);
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("get task list: handing jsonobject failed");
}
}
// 获取同步账号信息的方法
public Account getSyncAccount() {
return mAccount;
}
// 重置更新数组的方法
public void resetUpdateArray() {
mUpdateArray = null;
}

@ -0,0 +1,785 @@
package net.micode.notes.gtask.remote;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.util.Log;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.data.MetaData;
import net.micode.notes.gtask.data.Node;
import net.micode.notes.gtask.data.SqlNote;
import net.micode.notes.gtask.data.Task;
import net.micode.notes.gtask.data.TaskList;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.gtask.exception.NetworkFailureException;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.GTaskStringUtils;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
public class GTaskManager {
private static final String TAG = GTaskManager.class.getSimpleName();
public static final int STATE_SUCCESS = 0;
public static final int STATE_NETWORK_ERROR = 1;
public static final int STATE_INTERNAL_ERROR = 2;
public static final int STATE_SYNC_IN_PROGRESS = 3;
public static final int STATE_SYNC_CANCELLED = 4;
private static GTaskManager mInstance = null;
private Activity mActivity;
private Context mContext;
private ContentResolver mContentResolver;
private boolean mSyncing;
private boolean mCancelled;
private HashMap<String, TaskList> mGTaskListHashMap;
private HashMap<String, Node> mGTaskHashMap;
private HashMap<String, MetaData> mMetaHashMap;
private TaskList mMetaList;
private HashSet<Long> mLocalDeleteIdMap;
private HashMap<String, Long> mGidToNid;
private HashMap<Long, String> mNidToGid;
private GTaskManager() {
mSyncing = false;
mCancelled = false;
mGTaskListHashMap = new HashMap<String, TaskList>();
mGTaskHashMap = new HashMap<String, Node>();
mMetaHashMap = new HashMap<String, MetaData>();
mMetaList = null;
mLocalDeleteIdMap = new HashSet<Long>();
mGidToNid = new HashMap<String, Long>();
mNidToGid = new HashMap<Long, String>();
}
public static synchronized GTaskManager getInstance() {
if (mInstance == null) {
mInstance = new GTaskManager();
}
return mInstance;
}
public synchronized void setActivityContext(Activity activity) {
// used for getting authtoken
mActivity = activity;
}
public int sync(Context context, GTaskASyncTask asyncTask) {
if (mSyncing) {
Log.d(TAG, "Sync is in progress");
return STATE_SYNC_IN_PROGRESS;
}
mContext = context;
mContentResolver = mContext.getContentResolver();
mSyncing = true;
mCancelled = false;
mGTaskListHashMap.clear();
mGTaskHashMap.clear();
mMetaHashMap.clear();
mLocalDeleteIdMap.clear();
mGidToNid.clear();
mNidToGid.clear();
try {
GTaskClient client = GTaskClient.getInstance();
client.resetUpdateArray();
// login google task
if (!mCancelled) {
if (!client.login(mActivity)) {
throw new NetworkFailureException("login google task failed");
}
}
// get the task list from google
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list));
initGTaskList();
// do content sync work
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing));
syncContent();
} catch (NetworkFailureException e) {
Log.e(TAG, e.toString());
return STATE_NETWORK_ERROR;
} catch (ActionFailureException e) {
Log.e(TAG, e.toString());
return STATE_INTERNAL_ERROR;
} catch (Exception e) {
Log.e(TAG, e.toString());
e.printStackTrace();
return STATE_INTERNAL_ERROR;
} finally {
mGTaskListHashMap.clear();
mGTaskHashMap.clear();
mMetaHashMap.clear();
mLocalDeleteIdMap.clear();
mGidToNid.clear();
mNidToGid.clear();
mSyncing = false;
}
return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS;
}
private void initGTaskList() throws NetworkFailureException {
if (mCancelled)
return;
GTaskClient client = GTaskClient.getInstance();
try {
JSONArray jsTaskLists = client.getTaskLists();
// init meta list first
mMetaList = null;
for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(i);
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
if (name
.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) {
mMetaList = new TaskList();
mMetaList.setContentByRemoteJSON(object);
// load meta data
JSONArray jsMetas = client.getTaskList(gid);
for (int j = 0; j < jsMetas.length(); j++) {
object = (JSONObject) jsMetas.getJSONObject(j);
MetaData metaData = new MetaData();
metaData.setContentByRemoteJSON(object);
if (metaData.isWorthSaving()) {
mMetaList.addChildTask(metaData);
if (metaData.getGid() != null) {
mMetaHashMap.put(metaData.getRelatedGid(), metaData);
}
}
}
}
}
// create meta list if not existed
if (mMetaList == null) {
mMetaList = new TaskList();
mMetaList.setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX
+ GTaskStringUtils.FOLDER_META);
GTaskClient.getInstance().createTaskList(mMetaList);
}
// init task list
for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(i);
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)
&& !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX
+ GTaskStringUtils.FOLDER_META)) {
TaskList tasklist = new TaskList();
tasklist.setContentByRemoteJSON(object);
mGTaskListHashMap.put(gid, tasklist);
mGTaskHashMap.put(gid, tasklist);
// load tasks
JSONArray jsTasks = client.getTaskList(gid);
for (int j = 0; j < jsTasks.length(); j++) {
object = (JSONObject) jsTasks.getJSONObject(j);
gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
Task task = new Task();
task.setContentByRemoteJSON(object);
if (task.isWorthSaving()) {
task.setMetaInfo(mMetaHashMap.get(gid));
tasklist.addChildTask(task);
mGTaskHashMap.put(gid, task);
}
}
}
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("initGTaskList: handing JSONObject failed");
}
}
private void syncContent() throws NetworkFailureException {
int syncType;
Cursor c = null;
String gid;
Node node;
mLocalDeleteIdMap.clear();
if (mCancelled) {
return;
}
// for local deleted note
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type<>? AND parent_id=?)", new String[] {
String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
}, null);
if (c != null) {
while (c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
doContentSync(Node.SYNC_ACTION_DEL_REMOTE, node, c);
}
mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN));
}
} else {
Log.w(TAG, "failed to query trash folder");
}
} finally {
if (c != null) {
c.close();
c = null;
}
}
// sync folder first
syncFolder();
// for note existing in database
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type=? AND parent_id<>?)", new String[] {
String.valueOf(Notes.TYPE_NOTE), String.valueOf(Notes.ID_TRASH_FOLER)
}, NoteColumns.TYPE + " DESC");
if (c != null) {
while (c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN));
mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid);
syncType = node.getSyncAction(c);
} else {
if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
// local add
syncType = Node.SYNC_ACTION_ADD_REMOTE;
} else {
// remote delete
syncType = Node.SYNC_ACTION_DEL_LOCAL;
}
}
doContentSync(syncType, node, c);
}
} else {
Log.w(TAG, "failed to query existing note in database");
}
} finally {
if (c != null) {
c.close();
c = null;
}
}
// go through remaining items
Iterator<Map.Entry<String, Node>> iter = mGTaskHashMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, Node> entry = iter.next();
node = entry.getValue();
doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
}
// mCancelled can be set by another thread, so we neet to check one by
// one
// clear local delete table
if (!mCancelled) {
if (!DataUtils.batchDeleteNotes(mContentResolver, mLocalDeleteIdMap)) {
throw new ActionFailureException("failed to batch-delete local deleted notes");
}
}
// refresh local sync id
if (!mCancelled) {
GTaskClient.getInstance().commitUpdate();
refreshLocalSyncId();
}
}
private void syncFolder() throws NetworkFailureException {
Cursor c = null;
String gid;
Node node;
int syncType;
if (mCancelled) {
return;
}
// for root folder
try {
c = mContentResolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
Notes.ID_ROOT_FOLDER), SqlNote.PROJECTION_NOTE, null, null, null);
if (c != null) {
c.moveToNext();
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
mGidToNid.put(gid, (long) Notes.ID_ROOT_FOLDER);
mNidToGid.put((long) Notes.ID_ROOT_FOLDER, gid);
// for system folder, only update remote name if necessary
if (!node.getName().equals(
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT))
doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c);
} else {
doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c);
}
} else {
Log.w(TAG, "failed to query root folder");
}
} finally {
if (c != null) {
c.close();
c = null;
}
}
// for call-note folder
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, "(_id=?)",
new String[] {
String.valueOf(Notes.ID_CALL_RECORD_FOLDER)
}, null);
if (c != null) {
if (c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
mGidToNid.put(gid, (long) Notes.ID_CALL_RECORD_FOLDER);
mNidToGid.put((long) Notes.ID_CALL_RECORD_FOLDER, gid);
// for system folder, only update remote name if
// necessary
if (!node.getName().equals(
GTaskStringUtils.MIUI_FOLDER_PREFFIX
+ GTaskStringUtils.FOLDER_CALL_NOTE))
doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c);
} else {
doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c);
}
}
} else {
Log.w(TAG, "failed to query call note folder");
}
} finally {
if (c != null) {
c.close();
c = null;
}
}
// for local existing folders
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type=? AND parent_id<>?)", new String[] {
String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)
}, NoteColumns.TYPE + " DESC");
if (c != null) {
while (c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN));
mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid);
syncType = node.getSyncAction(c);
} else {
if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
// local add
syncType = Node.SYNC_ACTION_ADD_REMOTE;
} else {
// remote delete
syncType = Node.SYNC_ACTION_DEL_LOCAL;
}
}
doContentSync(syncType, node, c);
}
} else {
Log.w(TAG, "failed to query existing folder");
}
} finally {
if (c != null) {
c.close();
c = null;
}
}
// for remote add folders
Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, TaskList> entry = iter.next();
gid = entry.getKey();
node = entry.getValue();
if (mGTaskHashMap.containsKey(gid)) {
mGTaskHashMap.remove(gid);
doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
}
}
if (!mCancelled)
GTaskClient.getInstance().commitUpdate();
}
private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
}
MetaData meta;
switch (syncType) {
case Node.SYNC_ACTION_ADD_LOCAL:
addLocalNode(node);
break;
case Node.SYNC_ACTION_ADD_REMOTE:
addRemoteNode(node, c);
break;
case Node.SYNC_ACTION_DEL_LOCAL:
meta = mMetaHashMap.get(c.getString(SqlNote.GTASK_ID_COLUMN));
if (meta != null) {
GTaskClient.getInstance().deleteNode(meta);
}
mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN));
break;
case Node.SYNC_ACTION_DEL_REMOTE:
meta = mMetaHashMap.get(node.getGid());
if (meta != null) {
GTaskClient.getInstance().deleteNode(meta);
}
GTaskClient.getInstance().deleteNode(node);
break;
case Node.SYNC_ACTION_UPDATE_LOCAL:
updateLocalNode(node, c);
break;
case Node.SYNC_ACTION_UPDATE_REMOTE:
updateRemoteNode(node, c);
break;
case Node.SYNC_ACTION_UPDATE_CONFLICT:
// merging both modifications maybe a good idea
// right now just use local update simply
updateRemoteNode(node, c);
break;
case Node.SYNC_ACTION_NONE:
break;
case Node.SYNC_ACTION_ERROR:
default:
throw new ActionFailureException("unkown sync action type");
}
}
private void addLocalNode(Node node) throws NetworkFailureException {
if (mCancelled) {
return;
}
SqlNote sqlNote;
if (node instanceof TaskList) {
if (node.getName().equals(
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT)) {
sqlNote = new SqlNote(mContext, Notes.ID_ROOT_FOLDER);
} else if (node.getName().equals(
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_CALL_NOTE)) {
sqlNote = new SqlNote(mContext, Notes.ID_CALL_RECORD_FOLDER);
} else {
sqlNote = new SqlNote(mContext);
sqlNote.setContent(node.getLocalJSONFromContent());
sqlNote.setParentId(Notes.ID_ROOT_FOLDER);
}
} else {
sqlNote = new SqlNote(mContext);
JSONObject js = node.getLocalJSONFromContent();
try {
if (js.has(GTaskStringUtils.META_HEAD_NOTE)) {
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
if (note.has(NoteColumns.ID)) {
long id = note.getLong(NoteColumns.ID);
if (DataUtils.existInNoteDatabase(mContentResolver, id)) {
// the id is not available, have to create a new one
note.remove(NoteColumns.ID);
}
}
}
if (js.has(GTaskStringUtils.META_HEAD_DATA)) {
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i);
if (data.has(DataColumns.ID)) {
long dataId = data.getLong(DataColumns.ID);
if (DataUtils.existInDataDatabase(mContentResolver, dataId)) {
// the data id is not available, have to create
// a new one
data.remove(DataColumns.ID);
}
}
}
}
} catch (JSONException e) {
Log.w(TAG, e.toString());
e.printStackTrace();
}
sqlNote.setContent(js);
Long parentId = mGidToNid.get(((Task) node).getParent().getGid());
if (parentId == null) {
Log.e(TAG, "cannot find task's parent id locally");
throw new ActionFailureException("cannot add local node");
}
sqlNote.setParentId(parentId.longValue());
}
// create the local node
sqlNote.setGtaskId(node.getGid());
sqlNote.commit(false);
// update gid-nid mapping
mGidToNid.put(node.getGid(), sqlNote.getId());
mNidToGid.put(sqlNote.getId(), node.getGid());
// update meta
updateRemoteMeta(node.getGid(), sqlNote);
}
private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
}
SqlNote sqlNote;
// update the note locally
sqlNote = new SqlNote(mContext, c);
sqlNote.setContent(node.getLocalJSONFromContent());
Long parentId = (node instanceof Task) ? mGidToNid.get(((Task) node).getParent().getGid())
: new Long(Notes.ID_ROOT_FOLDER);
if (parentId == null) {
Log.e(TAG, "cannot find task's parent id locally");
throw new ActionFailureException("cannot update local node");
}
sqlNote.setParentId(parentId.longValue());
sqlNote.commit(true);
// update meta info
updateRemoteMeta(node.getGid(), sqlNote);
}
private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
}
SqlNote sqlNote = new SqlNote(mContext, c);
Node n;
// update remotely
if (sqlNote.isNoteType()) {
Task task = new Task();
task.setContentByLocalJSON(sqlNote.getContent());
String parentGid = mNidToGid.get(sqlNote.getParentId());
if (parentGid == null) {
Log.e(TAG, "cannot find task's parent tasklist");
throw new ActionFailureException("cannot add remote task");
}
mGTaskListHashMap.get(parentGid).addChildTask(task);
GTaskClient.getInstance().createTask(task);
n = (Node) task;
// add meta
updateRemoteMeta(task.getGid(), sqlNote);
} else {
TaskList tasklist = null;
// we need to skip folder if it has already existed
String folderName = GTaskStringUtils.MIUI_FOLDER_PREFFIX;
if (sqlNote.getId() == Notes.ID_ROOT_FOLDER)
folderName += GTaskStringUtils.FOLDER_DEFAULT;
else if (sqlNote.getId() == Notes.ID_CALL_RECORD_FOLDER)
folderName += GTaskStringUtils.FOLDER_CALL_NOTE;
else
folderName += sqlNote.getSnippet();
Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, TaskList> entry = iter.next();
String gid = entry.getKey();
TaskList list = entry.getValue();
if (list.getName().equals(folderName)) {
tasklist = list;
if (mGTaskHashMap.containsKey(gid)) {
mGTaskHashMap.remove(gid);
}
break;
}
}
// no match we can add now
if (tasklist == null) {
tasklist = new TaskList();
tasklist.setContentByLocalJSON(sqlNote.getContent());
GTaskClient.getInstance().createTaskList(tasklist);
mGTaskListHashMap.put(tasklist.getGid(), tasklist);
}
n = (Node) tasklist;
}
// update local note
sqlNote.setGtaskId(n.getGid());
sqlNote.commit(false);
sqlNote.resetLocalModified();
sqlNote.commit(true);
// gid-id mapping
mGidToNid.put(n.getGid(), sqlNote.getId());
mNidToGid.put(sqlNote.getId(), n.getGid());
}
private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
}
SqlNote sqlNote = new SqlNote(mContext, c);
// update remotely
node.setContentByLocalJSON(sqlNote.getContent());
GTaskClient.getInstance().addUpdateNode(node);
// update meta
updateRemoteMeta(node.getGid(), sqlNote);
// move task if necessary
if (sqlNote.isNoteType()) {
Task task = (Task) node;
TaskList preParentList = task.getParent();
String curParentGid = mNidToGid.get(sqlNote.getParentId());
if (curParentGid == null) {
Log.e(TAG, "cannot find task's parent tasklist");
throw new ActionFailureException("cannot update remote task");
}
TaskList curParentList = mGTaskListHashMap.get(curParentGid);
if (preParentList != curParentList) {
preParentList.removeChildTask(task);
curParentList.addChildTask(task);
GTaskClient.getInstance().moveTask(task, preParentList, curParentList);
}
}
// clear local modified flag
sqlNote.resetLocalModified();
sqlNote.commit(true);
}
private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException {
if (sqlNote != null && sqlNote.isNoteType()) {
MetaData metaData = mMetaHashMap.get(gid);
if (metaData != null) {
metaData.setMeta(gid, sqlNote.getContent());
GTaskClient.getInstance().addUpdateNode(metaData);
} else {
metaData = new MetaData();
metaData.setMeta(gid, sqlNote.getContent());
mMetaList.addChildTask(metaData);
mMetaHashMap.put(gid, metaData);
GTaskClient.getInstance().createTask(metaData);
}
}
}
private void refreshLocalSyncId() throws NetworkFailureException {
if (mCancelled) {
return;
}
// get the latest gtask list
mGTaskHashMap.clear();
mGTaskListHashMap.clear();
mMetaHashMap.clear();
initGTaskList();
Cursor c = null;
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type<>? AND parent_id<>?)", new String[] {
String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
}, NoteColumns.TYPE + " DESC");
if (c != null) {
while (c.moveToNext()) {
String gid = c.getString(SqlNote.GTASK_ID_COLUMN);
Node node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
ContentValues values = new ContentValues();
values.put(NoteColumns.SYNC_ID, node.getLastModified());
mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
c.getLong(SqlNote.ID_COLUMN)), values, null, null);
} else {
Log.e(TAG, "something is missed");
throw new ActionFailureException(
"some local items don't have gid after sync");
}
}
} else {
Log.w(TAG, "failed to query local note to refresh sync id");
}
} finally {
if (c != null) {
c.close();
c = null;
}
}
}
public String getSyncAccount() {
return GTaskClient.getInstance().getSyncAccount().name;
}
public void cancelSync() {
mCancelled = true;
}
}

@ -0,0 +1,151 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.gtask.remote;
import android.app.Activity;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;
public class GTaskSyncService extends Service {
// 定义同步操作的字符串标识
public final static String ACTION_STRING_NAME = "sync_action_type";
// 定义开始同步操作的常量
public final static int ACTION_START_SYNC = 0;
// 定义取消同步操作的常量
public final static int ACTION_CANCEL_SYNC = 1;
// 定义无效操作的常量
public final static int ACTION_INVALID = 2;
// 定义服务广播的名称
public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service";
// 定义广播中是否正在同步的标志
public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing";
// 定义广播中的进度消息
public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg";
// 声明同步任务的静态变量
private static GTaskASyncTask mSyncTask = null;
// 声明同步进度的静态变量
private static String mSyncProgress = "";
// 开始同步的方法
private void startSync() {
if (mSyncTask == null) {
// 如果没有同步任务正在运行,则创建一个新的同步任务
mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {
public void onComplete() {
// 同步完成时设置同步任务为null发送空广播停止服务
mSyncTask = null;
sendBroadcast("");
stopSelf();
}
});
sendBroadcast("");
mSyncTask.execute();
}
}
// 取消同步的方法
private void cancelSync() {
if (mSyncTask != null) {
mSyncTask.cancelSync();
}
}
// 服务创建时调用的方法
@Override
public void onCreate() {
mSyncTask = null;
}
// 服务开始时调用的方法
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Bundle bundle = intent.getExtras();
if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) {
// 根据传入的意图中的操作类型执行不同的同步操作
switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) {
case ACTION_START_SYNC:
startSync();
break;
case ACTION_CANCEL_SYNC:
cancelSync();
break;
default:
break;
}
return START_STICKY;
}
return super.onStartCommand(intent, flags, startId);
}
// 内存不足时调用的方法
@Override
public void onLowMemory() {
if (mSyncTask != null) {
mSyncTask.cancelSync();
}
}
// 服务绑定时调用的方法
public IBinder onBind(Intent intent) {
return null;
}
// 发送广播的方法
public void sendBroadcast(String msg) {
mSyncProgress = msg;
Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME);
intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null);
intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg);
sendBroadcast(intent);
}
// 从Activity中开始同步的方法
public static void startSync(Activity activity) {
GTaskManager.getInstance().setActivityContext(activity);
Intent intent = new Intent(activity, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC);
activity.startService(intent);
}
// 从Context中取消同步的方法
public static void cancelSync(Context context) {
Intent intent = new Intent(context, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC);
context.startService(intent);
}
// 判断是否正在同步的方法
public static boolean isSyncing() {
return mSyncTask != null;
}
// 获取同步进度字符串的方法
public static String getProgressString() {
return mSyncProgress;
}
}

@ -33,16 +33,19 @@ import net.micode.notes.data.Notes.TextNote;
import java.util.ArrayList;
public class Note {
// 用于存储笔记差异的ContentValues
private ContentValues mNoteDiffValues;
// 存储笔记数据的内部类
private NoteData mNoteData;
// 用于日志记录的标签
private static final String TAG = "Note";
/**
* Create a new note id for adding a new note to databases
* ID
*/
public static synchronized long getNewNoteId(Context context, long folderId) {
// Create a new note in the database
// 在数据库中创建一个新的笔记
ContentValues values = new ContentValues();
long createdTime = System.currentTimeMillis();
values.put(NoteColumns.CREATED_DATE, createdTime);
@ -56,11 +59,11 @@ public class Note {
try {
noteId = Long.valueOf(uri.getPathSegments().get(1));
} catch (NumberFormatException e) {
Log.e(TAG, "Get note id error :" + e.toString());
Log.e(TAG, "获取笔记ID错误:" + e.toString());
noteId = 0;
}
if (noteId == -1) {
throw new IllegalStateException("Wrong note id:" + noteId);
throw new IllegalStateException("错误的笔记ID:" + noteId);
}
return noteId;
}
@ -70,39 +73,47 @@ public class Note {
mNoteData = new NoteData();
}
// 设置笔记的值
public void setNoteValue(String key, String value) {
mNoteDiffValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
}
// 设置文本数据
public void setTextData(String key, String value) {
mNoteData.setTextData(key, value);
}
// 设置文本数据ID
public void setTextDataId(long id) {
mNoteData.setTextDataId(id);
}
// 获取文本数据ID
public long getTextDataId() {
return mNoteData.mTextDataId;
}
// 设置通话数据ID
public void setCallDataId(long id) {
mNoteData.setCallDataId(id);
}
// 设置通话数据
public void setCallData(String key, String value) {
mNoteData.setCallData(key, value);
}
// 检查笔记是否本地修改过
public boolean isLocalModified() {
return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
}
// 同步笔记
public boolean syncNote(Context context, long noteId) {
if (noteId <= 0) {
throw new IllegalArgumentException("Wrong note id:" + noteId);
throw new IllegalArgumentException("错误的笔记ID:" + noteId);
}
if (!isLocalModified()) {
@ -110,15 +121,14 @@ public class Note {
}
/**
* In theory, once data changed, the note should be updated on {@link NoteColumns#LOCAL_MODIFIED} and
* {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the
* note data info
* {@link NoteColumns#LOCAL_MODIFIED}
* {@link NoteColumns#MODIFIED_DATE}使
*/
if (context.getContentResolver().update(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null,
null) == 0) {
Log.e(TAG, "Update note error, should not happen");
// Do not return, fall through
Log.e(TAG, "更新笔记错误,不应该发生");
// 不返回,继续执行
}
mNoteDiffValues.clear();
@ -130,15 +140,17 @@ public class Note {
return true;
}
// 存储笔记数据的内部类
private class NoteData {
// 文本数据ID
private long mTextDataId;
// 文本数据的ContentValues
private ContentValues mTextDataValues;
// 通话数据ID
private long mCallDataId;
// 通话数据的ContentValues
private ContentValues mCallDataValues;
// 用于日志记录的标签
private static final String TAG = "NoteData";
public NoteData() {
@ -148,42 +160,48 @@ public class Note {
mCallDataId = 0;
}
// 检查文本数据或通话数据是否本地修改过
boolean isLocalModified() {
return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
}
// 设置文本数据ID
void setTextDataId(long id) {
if(id <= 0) {
throw new IllegalArgumentException("Text data id should larger than 0");
throw new IllegalArgumentException("文本数据ID应该大于0");
}
mTextDataId = id;
}
// 设置通话数据ID
void setCallDataId(long id) {
if (id <= 0) {
throw new IllegalArgumentException("Call data id should larger than 0");
throw new IllegalArgumentException("通话数据ID应该大于0");
}
mCallDataId = id;
}
// 设置通话数据
void setCallData(String key, String value) {
mCallDataValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
}
// 设置文本数据
void setTextData(String key, String value) {
mTextDataValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
}
// 将数据推送到内容解析器
Uri pushIntoContentResolver(Context context, long noteId) {
/**
* Check for safety
*
*/
if (noteId <= 0) {
throw new IllegalArgumentException("Wrong note id:" + noteId);
throw new IllegalArgumentException("错误的笔记ID:" + noteId);
}
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
@ -198,7 +216,7 @@ public class Note {
try {
setTextDataId(Long.valueOf(uri.getPathSegments().get(1)));
} catch (NumberFormatException e) {
Log.e(TAG, "Insert new text data fail with noteId" + noteId);
Log.e(TAG, "插入新文本数据失败笔记ID" + noteId);
mTextDataValues.clear();
return null;
}
@ -220,7 +238,7 @@ public class Note {
try {
setCallDataId(Long.valueOf(uri.getPathSegments().get(1)));
} catch (NumberFormatException e) {
Log.e(TAG, "Insert new call data fail with noteId" + noteId);
Log.e(TAG, "插入新通话数据失败笔记ID" + noteId);
mCallDataValues.clear();
return null;
}
@ -250,4 +268,4 @@ public class Note {
return null;
}
}
}
}

@ -0,0 +1,306 @@
/*
* 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 {
// 工作笔记对应的Note对象
private Note mNote;
// 笔记ID
private long mNoteId;
// 笔记内容
private String mContent;
// 笔记模式
private int mMode;
// 笔记提醒日期
private long mAlertDate;
// 笔记修改日期
private long mModifiedDate;
// 笔记背景颜色ID
private int mBgColorId;
// 笔记小部件ID
private int mWidgetId;
// 笔记小部件类型
private int mWidgetType;
// 笔记所属文件夹ID
private long mFolderId;
// 上下文对象
private Context mContext;
// 日志标签
private static final String TAG = "WorkingNote";
// 标记笔记是否已删除
private boolean mIsDeleted;
// 笔记设置变化监听器
private NoteSettingChangedListener mNoteSettingStatusListener;
// 数据查询时使用的字段数组
public static final String[] DATA_PROJECTION = new String[] {
DataColumns.ID,
DataColumns.CONTENT,
DataColumns.MIME_TYPE,
DataColumns.DATA1,
DataColumns.DATA2,
DataColumns.DATA3,
DataColumns.DATA4,
};
// 笔记查询时使用的字段数组
public static final String[] NOTE_PROJECTION = new String[] {
NoteColumns.PARENT_ID,
NoteColumns.ALERTED_DATE,
NoteColumns.BG_COLOR_ID,
NoteColumns.WIDGET_ID,
NoteColumns.WIDGET_TYPE,
NoteColumns.MODIFIED_DATE
};
// 数据ID字段在查询结果中的索引
private static final int DATA_ID_COLUMN = 0;
// 数据内容字段在查询结果中的索引
private static final int DATA_CONTENT_COLUMN = 1;
// 数据MIME类型字段在查询结果中的索引
private static final int DATA_MIME_TYPE_COLUMN = 2;
// 数据模式字段在查询结果中的索引
private static final int DATA_MODE_COLUMN = 3;
// 笔记父ID字段在查询结果中的索引
private static final int NOTE_PARENT_ID_COLUMN = 0;
// 笔记提醒日期字段在查询结果中的索引
private static final int NOTE_ALERTED_DATE_COLUMN = 1;
// 笔记背景颜色ID字段在查询结果中的索引
private static final int NOTE_BG_COLOR_ID_COLUMN = 2;
// 笔记小部件ID字段在查询结果中的索引
private static final int NOTE_WIDGET_ID_COLUMN = 3;
// 笔记小部件类型字段在查询结果中的索引
private static final int NOTE_WIDGET_TYPE_COLUMN = 4;
// 笔记修改日期字段在查询结果中的索引
private static final int NOTE_MODIFIED_DATE_COLUMN = 5;
// 创建新笔记的构造函数
private WorkingNote(Context context, long folderId) {
mContext = context;
mAlertDate = 0;
mModifiedDate = System.currentTimeMillis();
mFolderId = folderId;
mNote = new Note();
mNoteId = 0;
mIsDeleted = false;
mMode = 0;
mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
}
// 加载现有笔记的构造函数
private WorkingNote(Context context, long noteId, long folderId) {
mContext = context;
mNoteId = noteId;
mFolderId = folderId;
mIsDeleted = false;
mNote = new Note();
loadNote();
}
// 加载笔记信息的方法
private void loadNote() {
// 从数据库加载笔记信息的代码...
}
// 加载笔记数据的方法
private void loadNoteData() {
// 从数据库加载笔记数据的代码...
}
// 创建空笔记的静态方法
public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId,
int widgetType, int defaultBgColorId) {
// 创建并返回一个空的WorkingNote对象的代码...
}
// 加载笔记的静态方法
public static WorkingNote load(Context context, long id) {
return new WorkingNote(context, id, 0);
}
// 保存笔记的同步方法
public synchronized boolean saveNote() {
// 保存笔记的代码...
}
// 检查笔记是否存在于数据库中的方法
public boolean existInDatabase() {
return mNoteId > 0;
}
// 检查笔记是否值得保存的方法
private boolean isWorthSaving() {
// 判断笔记是否值得保存的代码...
}
// 设置笔记设置变化监听器的方法
public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) {
mNoteSettingStatusListener = l;
}
// 设置提醒日期的方法
public void setAlertDate(long date, boolean set) {
// 设置提醒日期的代码...
}
// 标记笔记为删除的方法
public void markDeleted(boolean mark) {
// 标记笔记为删除的代码...
}
// 设置背景颜色ID的方法
public void setBgColorId(int id) {
// 设置背景颜色ID的代码...
}
// 设置清单模式的方法
public void setCheckListMode(int mode) {
// 设置清单模式的代码...
}
// 设置小部件类型的方法
public void setWidgetType(int type) {
// 设置小部件类型的代码...
}
// 设置小部件ID的方法
public void setWidgetId(int id) {
// 设置小部件ID的代码...
}
// 设置工作笔记文本的方法
public void setWorkingText(String text) {
// 设置工作笔记文本的代码...
}
// 转换为通话笔记的方法
public void convertToCallNote(String phoneNumber, long callDate) {
// 转换为通话笔记的代码...
}
// 检查笔记是否有时钟提醒的方法
public boolean hasClockAlert() {
return (mAlertDate > 0 ? true : false);
}
// 获取笔记内容的方法
public String getContent() {
return mContent;
}
// 获取提醒日期的方法
public long getAlertDate() {
return mAlertDate;
}
// 获取修改日期的方法
public long getModifiedDate() {
return mModifiedDate;
}
// 获取笔记背景颜色资源ID的方法
public int getBgColorResId() {
return NoteBgResources.getNoteBgResource(mBgColorId);
}
// 获取笔记背景颜色ID的方法
public int getBgColorId() {
return mBgColorId;
}
// 获取笔记标题背景资源ID的方法
public int getTitleBgResId() {
return NoteBgResources.getNoteTitleBgResource(mBgColorId);
}
// 获取清单模式的方法
public int getCheckListMode() {
return mMode;
}
// 获取笔记ID的方法
public long getNoteId() {
return mNoteId;
}
// 获取文件夹ID的方法
public long getFolderId() {
return mFolderId;
}
// 获取小部件ID的方法
public int getWidgetId() {
return mWidgetId;
}
// 获取小部件类型的方法
public int getWidgetType() {
return mWidgetType;
}
// 笔记设置变化监听器接口
public interface NoteSettingChangedListener {
// 当前笔记背景颜色刚刚更改时调用
void onBackgroundColorChanged();
// 用户设置时钟时调用
void onClockAlertChanged(long date, boolean set);
// 用户从widget创建笔记时调用
void onWidgetChanged();
// 用户在清单模式和普通模式之间切换时调用
// @param oldMode 是更改前的模式
// @param newMode 是新模式
void onCheckListModeChanged(int oldMode, int newMode);
}
}

@ -0,0 +1,355 @@
/*
* 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 {
// 定义日志标签
private static final String TAG = "BackupUtils";
// 单例模式相关变量
private static BackupUtils sInstance;
// 获取BackupUtils实例的静态同步方法
public static synchronized BackupUtils getInstance(Context context) {
if (sInstance == null) {
sInstance = new BackupUtils(context);
}
return sInstance;
}
/**
*
*/
// 当前SD卡未挂载
public static final int STATE_SD_CARD_UNMOUONTED = 0;
// 备份文件不存在
public static final int STATE_BACKUP_FILE_NOT_EXIST = 1;
// 数据格式不正确,可能被其他程序更改
public static final int STATE_DATA_DESTROIED = 2;
// 运行时异常导致备份或恢复失败
public static final int STATE_SYSTEM_ERROR = 3;
// 备份或恢复成功
public static final int STATE_SUCCESS = 4;
// TextExport对象
private TextExport mTextExport;
// BackupUtils构造函数
private BackupUtils(Context context) {
mTextExport = new TextExport(context);
}
// 检查外部存储是否可用
private static boolean externalStorageAvailable() {
return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
}
// 导出到文本的方法
public int exportToText() {
return mTextExport.exportToText();
}
// 获取导出文本文件的文件名
public String getExportedTextFileName() {
return mTextExport.mFileName;
}
// 获取导出文本文件的目录
public String getExportedTextFileDir() {
return mTextExport.mFileDirectory;
}
// TextExport内部类
private static class TextExport {
// 定义查询笔记的投影数组
private static final String[] NOTE_PROJECTION = {
NoteColumns.ID,
NoteColumns.MODIFIED_DATE,
NoteColumns.SNIPPET,
NoteColumns.TYPE
};
// 定义数据列的索引
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;
// 定义查询数据的投影数组
private static final String[] DATA_PROJECTION = {
DataColumns.CONTENT,
DataColumns.MIME_TYPE,
DataColumns.DATA1,
DataColumns.DATA2,
DataColumns.DATA3,
DataColumns.DATA4,
};
// 定义数据列的索引
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;
// 定义文本格式数组
private final String[] TEXT_FORMAT;
// 定义格式化文件夹名称、笔记日期、笔记内容的索引
private static final int FORMAT_FOLDER_NAME = 0;
private static final int FORMAT_NOTE_DATE = 1;
private static final int FORMAT_NOTE_CONTENT = 2;
// 上下文对象
private Context mContext;
// 导出文本文件的文件名和目录
private String mFileName;
private String mFileDirectory;
// TextExport构造函数
public TextExport(Context context) {
// 从资源文件中获取格式化字符串
TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note);
mContext = context;
mFileName = "";
mFileDirectory = "";
}
// 根据id获取格式化字符串
private String getFormat(int id) {
return TEXT_FORMAT[id];
}
/**
* ID
*/
private void exportFolderToText(String folderId, PrintStream ps) {
// 查询属于该文件夹的笔记
Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[]{
folderId
}, null);
if (notesCursor != null) {
if (notesCursor.moveToFirst()) {
do {
// 打印笔记的最后修改日期
ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format(
mContext.getString(R.string.format_datetime_mdhm),
notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE))));
// 查询属于该笔记的数据
String noteId = notesCursor.getString(NOTE_COLUMN_ID);
exportNoteToText(noteId, ps);
} while (notesCursor.moveToNext());
}
notesCursor.close();
}
}
/**
* ID
*/
private void exportNoteToText(String noteId, PrintStream ps) {
Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI,
DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[]{
noteId
}, null);
if (dataCursor != null) {
if (dataCursor.moveToFirst()) {
do {
String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE);
if (DataConstants.CALL_NOTE.equals(mimeType)) {
// 打印电话号码
String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER);
long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE);
String location = dataCursor.getString(DATA_COLUMN_CONTENT);
if (!TextUtils.isEmpty(phoneNumber)) {
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
phoneNumber));
}
// 打印通话日期
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), DateFormat
.format(mContext.getString(R.string.format_datetime_mdhm),
callDate)));
// 打印通话附件位置
if (!TextUtils.isEmpty(location)) {
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
location));
}
} else if (DataConstants.NOTE.equals(mimeType)) {
String content = dataCursor.getString(DATA_COLUMN_CONTENT);
if (!TextUtils.isEmpty(content)) {
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
content));
}
}
} while (dataCursor.moveToNext());
}
dataCursor.close();
}
// 打印笔记之间的分隔线
try {
ps.write(new byte[]{
Character.LINE_SEPARATOR, Character.LETTER_NUMBER
});
} catch (IOException e) {
Log.e(TAG, e.toString());
}
}
/**
*
*/
public int exportToText() {
if (!externalStorageAvailable()) {
Log.d(TAG, "Media was not mounted");
return STATE_SD_CARD_UNMOUONTED;
}
PrintStream ps = getExportToTextPrintStream();
if (ps == null) {
Log.e(TAG, "get print stream error");
return STATE_SYSTEM_ERROR;
}
// 首先导出文件夹及其笔记
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 {
// 打印文件夹的名称
String folderName = "";
if (folderCursor.getLong(NOTE_COLUMN_ID) == Notes.ID_CALL_RECORD_FOLDER) {
folderName = mContext.getString(R.string.call_record_folder_name);
} else {
folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET);
}
if (!TextUtils.isEmpty(folderName)) {
ps.println(String.format(getFormat(FORMAT_FOLDER_NAME), folderName));
}
String folderId = folderCursor.getString(NOTE_COLUMN_ID);
exportFolderToText(folderId, ps);
} while (folderCursor.moveToNext());
}
folderCursor.close();
}
// 导出根文件夹中的笔记
Cursor noteCursor = mContext.getContentResolver().query(
Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION,
NoteColumns.TYPE + "=" + Notes.TYPE_NOTE + " AND " + NoteColumns.PARENT_ID
+ "=0", null, null);
if (noteCursor != null) {
if (noteCursor.moveToFirst()) {
do {
ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format(
mContext.getString(R.string.format_datetime_mdhm),
noteCursor.getLong(NOTE_COLUMN_MODIFIED_DATE))));
// 查询属于该笔记的数据
String noteId = noteCursor.getString(NOTE_COLUMN_ID);
exportNoteToText(noteId, ps);
} while (noteCursor.moveToNext());
}
noteCursor.close();
}
ps.close();
return STATE_SUCCESS;
}
/**
*
*/
private PrintStream getExportToTextPrintStream() {
File file = generateFileMountedOnSDcard(mContext, R.string.file_path,
R.string.file_name_txt_format);
if (file ==null) {
Log.e(TAG, "create file to exported failed");
return null;
}
mFileName = file.getName();
mFileDirectory = mContext.getString(R.string.file_path);
PrintStream ps = null;
try {
FileOutputStream fos = new FileOutputStream(file);
ps = new PrintStream(fos);
} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
} catch (NullPointerException e) {
e.printStackTrace();
return null;
}
return ps;
}
}
/**
* SD
*/
private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) {
StringBuilder sb = new StringBuilder();
sb.append(Environment.getExternalStorageDirectory());
sb.append(context.getString(filePathResId));
File filedir = new File(sb.toString());
sb.append(context.getString(
fileNameFormatResId,
DateFormat.format(context.getString(R.string.format_date_ymd),
System.currentTimeMillis())));
File file = new File(sb.toString());
try {
if (!filedir.exists()) {
filedir.mkdir();
}
if (!file.exists()) {
file.createNewFile();
}
return file;
} catch (SecurityException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}

@ -0,0 +1,402 @@
/*
* 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 {
// 类的标签,用于日志记录
public static final String TAG = "DataUtils";
// 批量删除笔记的方法
public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
// 如果传入的id集合为空则记录日志并返回true
if (ids == null) {
Log.d(TAG, "the ids is null");
return true;
}
// 如果id集合大小为0即没有id则记录日志并返回true
if (ids.size() == 0) {
Log.d(TAG, "no id is in the hashset");
return true;
}
// 创建操作列表
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
// 遍历id集合
for (long id : ids) {
// 如果id是根文件夹的ID则记录错误日志并跳过
if(id == Notes.ID_ROOT_FOLDER) {
Log.e(TAG, "Don't delete system folder root");
continue;
}
// 为每个id创建一个删除操作并添加到操作列表
ContentProviderOperation.Builder builder = ContentProviderOperation
.newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
operationList.add(builder.build());
}
// 执行批量操作
try {
// 应用批量操作
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
// 如果结果为空或结果数组长度为0或第一个结果为空则记录日志并返回false
if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false;
}
// 操作成功返回true
return true;
} catch (RemoteException e) {
// 记录远程异常
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
} catch (OperationApplicationException e) {
// 记录操作应用异常
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
}
// 捕获异常后返回false
return false;
}
// 将笔记移动到另一个文件夹的方法
public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) {
// 创建ContentValues对象
ContentValues values = new ContentValues();
// 设置新父文件夹ID和原始父文件夹ID
values.put(NoteColumns.PARENT_ID, desFolderId);
values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId);
// 设置本地修改标志
values.put(NoteColumns.LOCAL_MODIFIED, 1);
// 更新笔记
resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null);
}
// 批量将笔记移动到指定文件夹的方法
public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids,
long folderId) {
// 如果传入的id集合为空则记录日志并返回true
if (ids == null) {
Log.d(TAG, "the ids is null");
return true;
}
// 创建操作列表
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
// 遍历id集合
for (long id : ids) {
// 为每个id创建一个更新操作设置新文件夹ID和本地修改标志
ContentProviderOperation.Builder builder = ContentProviderOperation
.newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
builder.withValue(NoteColumns.PARENT_ID, folderId);
builder.withValue(NoteColumns.LOCAL_MODIFIED, 1);
// 将操作添加到操作列表
operationList.add(builder.build());
}
// 执行批量操作
try {
// 应用批量操作
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
// 如果结果为空或结果数组长度为0或第一个结果为空则记录日志并返回false
if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false;
}
// 操作成功返回true
return true;
} catch (RemoteException e) {
// 记录远程异常
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
} catch (OperationApplicationException e) {
// 记录操作应用异常
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
}
// 捕获异常后返回false
return false;
}
/**
*
*/
public static int getUserFolderCount(ContentResolver resolver) {
// 查询除了系统文件夹和回收站文件夹外的文件夹数量
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
new String[] { "COUNT(*)" },
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLDER)},
null);
int count = 0;
// 如果游标不为空
if (cursor != null) {
// 如果游标能移动到第一行
if (cursor.moveToFirst()) {
try {
// 获取文件夹数量
count = cursor.getInt(0);
} catch (IndexOutOfBoundsException e) {
// 记录索引越界异常
Log.e(TAG, "get folder count failed:" + e.toString());
} finally {
// 关闭游标
cursor.close();
}
}
}
// 返回文件夹数量
return count;
}
// 检查笔记是否在数据库中可见的方法
public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {
// 查询指定ID和类型的笔记是否存在于数据库中排除回收站文件夹
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
null,
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLDER,
new String [] {String.valueOf(type)},
null);
boolean exist = false;
// 如果游标不为空
if (cursor != null) {
// 如果游标计数大于0即存在该笔记
if (cursor.getCount() > 0) {
exist = true;
}
// 关闭游标
cursor.close();
}
// 返回笔记是否存在的标志
return exist;
}
}
public class DataUtils {
// 类的标签,用于日志记录
public static final String TAG = "DataUtils";
// 检查笔记是否存在于数据库中的方法
public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) {
// 根据笔记ID查询笔记
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
null, null, null, null);
boolean exist = false; // 存在标志
// 如果游标不为空
if (cursor != null) {
// 如果游标计数大于0说明存在该笔记
if (cursor.getCount() > 0) {
exist = true;
}
// 关闭游标
cursor.close();
}
// 返回存在标志
return exist;
}
// 检查数据是否存在于数据库中的方法
public static boolean existInDataDatabase(ContentResolver resolver, long dataId) {
// 根据数据ID查询数据
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId),
null, null, null, null);
boolean exist = false; // 存在标志
// 如果游标不为空
if (cursor != null) {
// 如果游标计数大于0说明存在该数据
if (cursor.getCount() > 0) {
exist = true;
}
// 关闭游标
cursor.close();
}
// 返回存在标志
return exist;
}
// 检查文件夹名称是否可见的方法
public static boolean checkVisibleFolderName(ContentResolver resolver, String name) {
// 根据文件夹名称查询文件夹
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,
NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER +
" AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLDER +
" AND " + NoteColumns.SNIPPET + "=?",
new String[] { name }, null);
boolean exist = false; // 存在标志
// 如果游标不为空
if(cursor != null) {
// 如果游标计数大于0说明存在该文件夹名称
if(cursor.getCount() > 0) {
exist = true;
}
// 关闭游标
cursor.close();
}
// 返回存在标志
return exist;
}
// 获取文件夹中笔记的小部件属性集合的方法
public static HashSet<AppWidgetAttribute> getFolderNoteWidget(ContentResolver resolver, long folderId) {
// 根据文件夹ID查询小部件属性
Cursor c = resolver.query(Notes.CONTENT_NOTE_URI,
new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE },
NoteColumns.PARENT_ID + "=?",
new String[] { String.valueOf(folderId) },
null);
HashSet<AppWidgetAttribute> set = null; // 小部件属性集合
// 如果游标不为空
if (c != null) {
// 如果游标能移动到第一行
if (c.moveToFirst()) {
// 初始化集合
set = new HashSet<AppWidgetAttribute>();
// 遍历游标
do {
try {
// 创建小部件属性对象并添加到集合中
AppWidgetAttribute widget = new AppWidgetAttribute();
widget.widgetId = c.getInt(0);
widget.widgetType = c.getInt(1);
set.add(widget);
} catch (IndexOutOfBoundsException e) {
// 记录索引越界异常
Log.e(TAG, e.toString());
}
} while (c.moveToNext());
}
// 关闭游标
c.close();
}
// 返回小部件属性集合
return set;
}
// 根据笔记ID获取通话号码的方法
public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) {
// 根据笔记ID查询通话号码
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);
// 如果游标不为空并且能移动到第一行
if (cursor != null && cursor.moveToFirst()) {
try {
// 返回通话号码
return cursor.getString(0);
} catch (IndexOutOfBoundsException e) {
// 记录索引越界异常
Log.e(TAG, "Get call number fails " + e.toString());
} finally {
// 关闭游标
cursor.close();
}
}
// 如果没有找到或发生异常,返回空字符串
return "";
}
// 根据电话号码和通话日期获取笔记ID的方法
public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) {
// 根据电话号码和通话日期查询笔记ID
Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
new String [] { CallNote.NOTE_ID },
CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL("
+ CallNote.PHONE_NUMBER + ",?)",
new String [] { String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber },
null);
// 如果游标不为空
if (cursor != null) {
// 如果游标能移动到第一行
if (cursor.moveToFirst()) {
try {
// 返回笔记ID
return cursor.getLong(0);
} catch (IndexOutOfBoundsException e) {
// 记录索引越界异常
Log.e(TAG, "Get call note id fails " + e.toString());
}
}
// 关闭游标
cursor.close();
}
// 如果没有找到或发生异常返回0
return 0;
}
// 根据笔记ID获取摘要的方法
public static String getSnippetById(ContentResolver resolver, long noteId) {
// 根据笔记ID查询摘要
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
new String [] { NoteColumns.SNIPPET },
NoteColumns.ID + "=?",
new String [] { String.valueOf(noteId)},
null);
// 如果游标不为空
if (cursor != null) {
String snippet = "";
// 如果游标能移动到第一行
if (cursor.moveToFirst()) {
// 获取摘要
snippet = cursor.getString(0);
}
// 关闭游标
cursor.close();
// 返回摘要
return snippet;
}
// 如果没有找到笔记,抛出异常
throw new IllegalArgumentException("Note is not found with id: " + noteId);
}
// 获取格式化后的摘要字符串的方法
public static String getFormattedSnippet(String snippet) {
// 如果摘要不为空
if (snippet != null) {
// 去除首尾空白字符
snippet = snippet.trim();
// 获取摘要中的第一个换行符前的字符串
int index = snippet.indexOf('\n');
if (index != -1) {
snippet = snippet.substring(0, index);
}
}
// 返回格式化后的摘要
return snippet;
}
}

@ -0,0 +1,115 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.tool;
public class GTaskStringUtils {
// 表示Google任务中的动作ID
public final static String GTASK_JSON_ACTION_ID = "action_id";
// 表示动作列表
public final static String GTASK_JSON_ACTION_LIST = "action_list";
// 表示动作类型
public final static String GTASK_JSON_ACTION_TYPE = "action_type";
// 创建动作类型
public final static String GTASK_JSON_ACTION_TYPE_CREATE = "create";
// 获取所有动作类型
public final static String GTASK_JSON_ACTION_TYPE_GETALL = "get_all";
// 移动动作类型
public final static String GTASK_JSON_ACTION_TYPE_MOVE = "move";
// 更新动作类型
public final static String GTASK_JSON_ACTION_TYPE_UPDATE = "update";
// 创建者ID
public final static String GTASK_JSON_CREATOR_ID = "creator_id";
// 子实体
public final static String GTASK_JSON_CHILD_ENTITY = "child_entity";
// 客户端版本
public final static String GTASK_JSON_CLIENT_VERSION = "client_version";
// 表示任务是否完成
public final static String GTASK_JSON_COMPLETED = "completed";
// 当前列表ID
public final static String GTASK_JSON_CURRENT_LIST_ID = "current_list_id";
// 默认列表ID
public final static String GTASK_JSON_DEFAULT_LIST_ID = "default_list_id";
// 表示任务是否被删除
public final static String GTASK_JSON_DELETED = "deleted";
// 目标列表
public final static String GTASK_JSON_DEST_LIST = "dest_list";
// 目标父实体
public final static String GTASK_JSON_DEST_PARENT = "dest_parent";
// 目标父实体类型
public final static String GTASK_JSON_DEST_PARENT_TYPE = "dest_parent_type";
// 实体变化
public final static String GTASK_JSON_ENTITY_DELTA = "entity_delta";
// 实体类型
public final static String GTASK_JSON_ENTITY_TYPE = "entity_type";
// 获取已删除的任务
public final static String GTASK_JSON_GET_DELETED = "get_deleted";
// ID
public final static String GTASK_JSON_ID = "id";
// 索引
public final static String GTASK_JSON_INDEX = "index";
// 最后修改时间
public final static String GTASK_JSON_LAST_MODIFIED = "last_modified";
// 最新的同步点
public final static String GTASK_JSON_LATEST_SYNC_POINT = "latest_sync_point";
// 列表ID
public final static String GTASK_JSON_LIST_ID = "list_id";
// 列表集合
public final static String GTASK_JSON_LISTS = "lists";
// 名称
public final static String GTASK_JSON_NAME = "name";
// 新ID
public final static String GTASK_JSON_NEW_ID = "new_id";
// 笔记
public final static String GTASK_JSON_NOTES = "notes";
// 父ID
public final static String GTASK_JSON_PARENT_ID = "parent_id";
// 之前的兄弟ID
public final static String GTASK_JSON_PRIOR_SIBLING_ID = "prior_sibling_id";
// 结果
public final static String GTASK_JSON_RESULTS = "results";
// 源列表
public final static String GTASK_JSON_SOURCE_LIST = "source_list";
// 任务集合
public final static String GTASK_JSON_TASKS = "tasks";
// 类型
public final static String GTASK_JSON_TYPE = "type";
// 分组类型
public final static String GTASK_JSON_TYPE_GROUP = "GROUP";
// 任务类型
public final static String GTASK_JSON_TYPE_TASK = "TASK";
// 用户
public final static String GTASK_JSON_USER = "user";
// 小米文件夹前缀
public final static String MIUI_FOLDER_PREFFIX = "[MIUI_Notes]";
// 默认文件夹名称
public final static String FOLDER_DEFAULT = "Default";
// 通话笔记文件夹名称
public final static String FOLDER_CALL_NOTE = "Call_Note";
// 元数据文件夹名称
public final static String FOLDER_META = "METADATA";
// 元数据中Google任务ID的键
public final static String META_HEAD_GTASK_ID = "meta_gid";
// 元数据中笔记的键
public final static String META_HEAD_NOTE = "meta_note";
// 元数据中数据的键
public final static String META_HEAD_DATA = "meta_data";
// 元数据笔记的名称
public final static String META_NOTE_NAME = "[META INFO] DON'T UPDATE AND DELETE";
}

@ -0,0 +1,206 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.tool;
import android.content.Context;
import android.preference.PreferenceManager;
import net.micode.notes.R;
import net.micode.notes.ui.NotesPreferenceActivity;
public class ResourceParser {
// 定义颜色常量
public static final int YELLOW = 0; // 黄色
public static final int BLUE = 1; // 蓝色
public static final int WHITE = 2; // 白色
public static final int GREEN = 3; // 绿色
public static final int RED = 4; // 红色
// 默认背景颜色
public static final int BG_DEFAULT_COLOR = YELLOW;
// 定义字体大小常量
public static final int TEXT_SMALL = 0; // 小号字体
public static final int TEXT_MEDIUM = 1; // 中号字体
public static final int TEXT_LARGE = 2; // 大号字体
public static final int TEXT_SUPER = 3; // 超大号字体
// 默认字体大小
public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM;
// 笔记背景资源类
public static class NoteBgResources {
// 编辑状态下的背景资源数组
private final static int [] BG_EDIT_RESOURCES = new int [] {
R.drawable.edit_yellow,
R.drawable.edit_blue,
R.drawable.edit_white,
R.drawable.edit_green,
R.drawable.edit_red
};
// 编辑状态下标题的背景资源数组
private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] {
R.drawable.edit_title_yellow,
R.drawable.edit_title_blue,
R.drawable.edit_title_white,
R.drawable.edit_title_green,
R.drawable.edit_title_red
};
// 根据ID获取笔记编辑状态下的背景资源
public static int getNoteBgResource(int id) {
return BG_EDIT_RESOURCES[id];
}
// 根据ID获取笔记编辑状态下标题的背景资源
public static int getNoteTitleBgResource(int id) {
return BG_EDIT_TITLE_RESOURCES[id];
}
}
// 根据上下文获取默认背景ID
public static int getDefaultBgId(Context context) {
// 如果设置了自定义背景颜色则随机返回一个颜色ID否则返回默认颜色ID
return PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false) ?
(int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length) :
BG_DEFAULT_COLOR;
}
// 笔记项背景资源类
public static class NoteItemBgResources {
// 列表中第一项的背景资源数组
private final static int [] BG_FIRST_RESOURCES = new int [] {
R.drawable.list_yellow_up,
R.drawable.list_blue_up,
R.drawable.list_white_up,
R.drawable.list_green_up,
R.drawable.list_red_up
};
// 列表中普通项的背景资源数组
private final static int [] BG_NORMAL_RESOURCES = new int [] {
R.drawable.list_yellow_middle,
R.drawable.list_blue_middle,
R.drawable.list_white_middle,
R.drawable.list_green_middle,
R.drawable.list_red_middle
};
// 列表中最后一项的背景资源数组
private final static int [] BG_LAST_RESOURCES = new int [] {
R.drawable.list_yellow_down,
R.drawable.list_blue_down,
R.drawable.list_white_down,
R.drawable.list_green_down,
R.drawable.list_red_down,
};
// 列表中单项的背景资源数组
private final static int [] BG_SINGLE_RESOURCES = new int [] {
R.drawable.list_yellow_single,
R.drawable.list_blue_single,
R.drawable.list_white_single,
R.drawable.list_green_single,
R.drawable.list_red_single
};
// 根据ID获取列表中第一项的背景资源
public static int getNoteBgFirstRes(int id) {
return BG_FIRST_RESOURCES[id];
}
// 根据ID获取列表中最后一项的背景资源
public static int getNoteBgLastRes(int id) {
return BG_LAST_RESOURCES[id];
}
// 根据ID获取列表中单项的背景资源
public static int getNoteBgSingleRes(int id) {
return BG_SINGLE_RESOURCES[id];
}
// 根据ID获取列表中普通项的背景资源
public static int getNoteBgNormalRes(int id) {
return BG_NORMAL_RESOURCES[id];
}
// 获取文件夹背景资源
public static int getFolderBgRes() {
return R.drawable.list_folder;
}
}
// 挂件背景资源类
public static class WidgetBgResources {
// 2x尺寸挂件背景资源数组
private final static int [] BG_2X_RESOURCES = new int [] {
R.drawable.widget_2x_yellow,
R.drawable.widget_2x_blue,
R.drawable.widget_2x_white,
R.drawable.widget_2x_green,
R.drawable.widget_2x_red,
};
// 根据ID获取2x尺寸挂件背景资源
public static int getWidget2xBgResource(int id) {
return BG_2X_RESOURCES[id];
}
// 4x尺寸挂件背景资源数组
private final static int [] BG_4X_RESOURCES = new int [] {
R.drawable.widget_4x_yellow,
R.drawable.widget_4x_blue,
R.drawable.widget_4x_white,
R.drawable.widget_4x_green,
R.drawable.widget_4x_red
};
// 根据ID获取4x尺寸挂件背景资源
public static int getWidget4xBgResource(int id) {
return BG_4X_RESOURCES[id];
}
}
// 文本外观资源类
public static class TextAppearanceResources {
// 不同大小的文本外观资源数组
private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] {
R.style.TextAppearanceNormal,
R.style.TextAppearanceMedium,
R.style.TextAppearanceLarge,
R.style.TextAppearanceSuper
};
// 根据ID获取文本外观资源
public static int getTexAppearanceResource(int id) {
// 修复存储在SharedPreferences中的资源ID可能大于资源数组长度的问题
// 如果ID超出数组长度则返回默认字体大小
if (id >= TEXTAPPEARANCE_RESOURCES.length) {
return BG_DEFAULT_FONT_SIZE;
}
return TEXTAPPEARANCE_RESOURCES[id];
}
// 获取资源数组的大小
public static int getResourcesSize() {
return TEXTAPPEARANCE_RESOURCES.length;
}
}
}

@ -0,0 +1,180 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.DialogInterface.OnDismissListener;
import android.content.Intent;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Bundle;
import android.os.PowerManager;
import android.provider.Settings;
import android.view.Window;
import android.view.WindowManager;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.DataUtils;
import java.io.IOException;
public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
// 笔记ID
private long mNoteId;
// 笔记摘要
private String mSnippet;
// 摘要预览最大长度
private static final int SNIPPET_PREW_MAX_LEN = 60;
// 媒体播放器,用于播放闹钟声音
MediaPlayer mPlayer;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// 请求无标题的窗口特性
requestWindowFeature(Window.FEATURE_NO_TITLE);
final Window win = getWindow();
// 设置窗口标志,即使锁屏也显示窗口
win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
// 判断屏幕是否开启,如果未开启,则添加额外的窗口标志
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);
}
// 获取启动该Activity的Intent
Intent intent = getIntent();
try {
// 从Intent中获取笔记ID
mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
// 根据笔记ID获取笔记摘要
mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
// 如果摘要长度超过预览最大长度则截取前60个字符并添加省略号
mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
: mSnippet;
} catch (IllegalArgumentException e) {
e.printStackTrace();
return;
}
// 初始化MediaPlayer
mPlayer = new MediaPlayer();
// 检查笔记是否存在于数据库中
if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
// 显示操作对话框
showActionDialog();
// 播放闹钟声音
playAlarmSound();
} else {
// 如果笔记不存在则结束Activity
finish();
}
}
// 判断屏幕是否开启
private boolean isScreenOn() {
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
return pm.isScreenOn();
}
// 播放闹钟声音
private void playAlarmSound() {
// 获取系统默认闹钟铃声的Uri
Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
// 获取静音模式下受影响的音频流类型
int silentModeStreams = Settings.System.getInt(getContentResolver(),
Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
// 如果闹钟音频流类型受影响则设置MediaPlayer的音频流类型
if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) {
mPlayer.setAudioStreamType(silentModeStreams);
} else {
mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
}
try {
// 设置MediaPlayer的数据源为闹钟铃声Uri
mPlayer.setDataSource(this, url);
// 准备播放
mPlayer.prepare();
// 设置循环播放
mPlayer.setLooping(true);
// 开始播放
mPlayer.start();
} catch (IllegalArgumentException | SecurityException | IllegalStateException | IOException e) {
e.printStackTrace();
}
}
// 显示操作对话框
private void showActionDialog() {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
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); // 设置确定按钮
if (isScreenOn()) {
dialog.setNegativeButton(R.string.notealert_enter, this); // 设置进入按钮
}
dialog.show().setOnDismissListener(this); // 设置对话框消失监听
}
// 点击对话框按钮时的处理
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case DialogInterface.BUTTON_NEGATIVE: // 如果点击了“进入”按钮
// 启动NoteEditActivity传入笔记ID
Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_VIEW);
intent.putExtra(Intent.EXTRA_UID, mNoteId);
startActivity(intent);
break;
default:
break;
}
}
// 对话框消失时的处理
public void onDismiss(DialogInterface dialog) {
// 停止闹钟声音
stopAlarmSound();
// 结束Activity
finish();
}
// 停止闹钟声音
private void stopAlarmSound() {
if (mPlayer != null) {
mPlayer.stop(); // 停止播放
mPlayer.release(); // 释放资源
mPlayer = null; // 设置为null
}
}
}

@ -0,0 +1,79 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
public class AlarmInitReceiver extends BroadcastReceiver {
// 定义查询字段
private static final String [] PROJECTION = new String [] {
NoteColumns.ID, // 笔记ID
NoteColumns.ALERTED_DATE // 闹钟提醒日期
};
// 定义查询字段在游标中对应的列索引
private static final int COLUMN_ID = 0; // 笔记ID列索引
private static final int COLUMN_ALERTED_DATE = 1; // 提醒日期列索引
@Override
public void onReceive(Context context, Intent intent) {
// 获取当前日期和时间的毫秒值
long currentDate = System.currentTimeMillis();
// 查询CONTENT_NOTE_URI获取需要设置闹钟提醒的笔记
Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
PROJECTION,
NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE, // 查询条件:提醒日期大于当前日期且类型为笔记
new String[] { String.valueOf(currentDate) }, // 查询参数:当前日期的字符串表示
null); // 无排序
// 如果查询结果不为空
if (c != null) {
// 如果游标可以移动到第一条记录
if (c.moveToFirst()) {
// 循环遍历所有查询结果
do {
// 从游标中获取闹钟提醒日期
long alertDate = c.getLong(COLUMN_ALERTED_DATE);
// 创建一个Intent用于启动AlarmReceiver
Intent sender = new Intent(context, AlarmReceiver.class);
// 设置Intent的数据附加笔记ID
sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID)));
// 创建PendingIntent
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0);
// 获取AlarmManager服务
AlarmManager alermManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
// 设置闹钟使用RTC_WAKEUP类型
alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
// 继续遍历
} while (c.moveToNext());
}
// 关闭游标
c.close();
}
}
}

@ -0,0 +1,30 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
public class AlarmReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
intent.setClass(context, AlarmAlertActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
}
}

@ -0,0 +1,502 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import java.text.DateFormatSymbols;
import java.util.Calendar;
import net.micode.notes.R;
import android.content.Context;
import android.text.format.DateFormat;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.NumberPicker;
public class DateTimePicker extends FrameLayout {
// 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;
// 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小时制下小时选择器的最小值
private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0;
// 24小时制下小时选择器的最大值
private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23;
// 12小时制下小时选择器的最小值
private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1;
// 12小时制下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;
// 上午/下午选择器的最小值
private static final int AMPM_SPINNER_MIN_VAL = 0;
// 上午/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;
// 上午/下午选择器
private final NumberPicker mAmPmSpinner;
// 日期对象
private Calendar mDate;
// 日期显示值数组
private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
// 是否为上午
private boolean mIsAm;
// 是否为24小时视图
private boolean mIs24HourView;
// 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;
// 日期选择器值变化监听器
private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
// 更新日历日期
mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal);
// 更新日期控件
updateDateControl();
// 触发日期时间改变事件
onDateTimeChanged();
}
};
// 小时选择器值变化监听器
private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
// ...
// 根据12小时制或24小时制处理小时变化
// 更新日历小时
// 触发日期时间改变事件
// ...
};
};
// 分钟选择器值变化监听器
private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
// ...
// 处理分钟变化
// 更新日历分钟
// 触发日期时间改变事件
// ...
};
};
// 上午/下午选择器值变化监听器
private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
// ...
// 切换上午/下午
// 更新AM/PM控件
// 触发日期时间改变事件
// ...
};
};
// 日期时间改变监听器接口
public interface OnDateTimeChangedListener {
void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute);
}
// 构造函数初始化DateTimePicker
public DateTimePicker(Context context) {
// 调用另一个构造函数传入当前时间毫秒值和24小时制标记
this(context, System.currentTimeMillis());
}
// 构造函数初始化DateTimePicker并设置初始日期和24小时制标记
public DateTimePicker(Context context, long date) {
// 调用另一个构造函数传入上下文、当前时间毫秒值和24小时制标记
this(context, date, DateFormat.is24HourFormat(context));
}
}
public DateTimePicker(Context context, long date, boolean is24HourView) {
super(context);
mDate = Calendar.getInstance(); // 创建日历实例
mInitialising = true; // 初始化标志
mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY; // 判断是上午还是下午
inflate(context, R.layout.datetime_picker, this); // 填充布局
// 初始化日期选择器
mDateSpinner = (NumberPicker) findViewById(R.id.date);
mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL); // 设置最小值
mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL); // 设置最大值
mDateSpinner.setOnValueChangedListener(mOnDateChangedListener); // 设置值变化监听器
// 初始化小时选择器
mHourSpinner = (NumberPicker) findViewById(R.id.hour);
mHourSpinner.setOnValueChangedListener(mOnHourChangedListener); // 设置值变化监听器
// 初始化分钟选择器
mMinuteSpinner = (NumberPicker) findViewById(R.id.minute);
mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL); // 设置最小值
mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL); // 设置最大值
mMinuteSpinner.setOnLongPressUpdateInterval(100); // 设置长按更新间隔
mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener); // 设置值变化监听器
// 初始化上午/下午选择器
String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings();
mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm);
mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL); // 设置最小值
mAmPmSpinner.setMaxValue(AMPM_SPINNER_MAX_VAL); // 设置最大值
mAmPmSpinner.setDisplayedValues(stringsForAmPm); // 设置显示的值
mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener); // 设置值变化监听器
// 更新控件到初始状态
updateDateControl();
updateHourControl();
updateAmPmControl();
set24HourView(is24HourView); // 设置是否为24小时视图
// 设置当前日期
setCurrentDate(date);
setEnabled(isEnabled()); // 设置是否启用
// 设置内容描述
mInitialising = false; // 初始化完成
}
@Override
public void setEnabled(boolean enabled) {
if (mIsEnabled == enabled) {
return; // 如果已经设置为相同的状态,则不执行
}
super.setEnabled(enabled); // 设置启用状态
// 根据启用状态设置子控件的启用状态
mDateSpinner.setEnabled(enabled);
mMinuteSpinner.setEnabled(enabled);
mHourSpinner.setEnabled(enabled);
mAmPmSpinner.setEnabled(enabled);
mIsEnabled = enabled;
}
@Override
public boolean isEnabled() {
return mIsEnabled; // 返回是否启用
}
/**
*
*
* @return
*/
public long getCurrentDateInTimeMillis() {
return mDate.getTimeInMillis(); // 返回日历实例的毫秒值
}
/**
*
*
* @param date
*/
public void setCurrentDate(long date) {
Calendar cal = Calendar.getInstance(); // 创建日历实例
cal.setTimeInMillis(date); // 设置日历实例的时间为传入的毫秒值
// 调用设置日期的方法,传入年月日时分
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));
}
/**
*
*
* @param year
* @param month
* @param dayOfMonth
* @param hourOfDay
* @param minute
*/
public void setCurrentDate(int year, int month,
int dayOfMonth, int hourOfDay, int minute) {
setCurrentYear(year); // 设置年份
setCurrentMonth(month); // 设置月份
setCurrentDay(dayOfMonth); // 设置日期
setCurrentHour(hourOfDay); // 设置小时
setCurrentMinute(minute); // 设置分钟
}
/**
*
*
* @return
*/
public int getCurrentYear() {
return mDate.get(Calendar.YEAR); // 从日历实例中获取年份
}
/**
*
*
* @param year
*/
public void setCurrentYear(int year) {
if (!mInitialising && year == getCurrentYear()) {
return; // 如果不是在初始化并且年份没有变化,则不执行
}
mDate.set(Calendar.YEAR, year); // 设置日历实例的年份
updateDateControl(); // 更新日期控件
onDateTimeChanged(); // 触发日期时间变化的回调
}
/**
*
*
* @return
*/
public int getCurrentMonth() {
return mDate.get(Calendar.MONTH); // 从日历实例中获取月份
}
/**
*
*
* @param month
*/
public void setCurrentMonth(int month) {
if (!mInitialising && year == getCurrentYear()) {
return;
}
mDate.set(Calendar.YEAR, year);
updateDateControl();
onDateTimeChanged();
}
}
public void setCurrentMonth(int month) {
// 如果不是在初始化阶段且月份没有变化,则不执行任何操作
if (!mInitialising && month == getCurrentMonth()) {
return;
}
mDate.set(Calendar.MONTH, month); // 设置日历的月份
updateDateControl(); // 更新日期控件
onDateTimeChanged(); // 触发日期时间变化的回调
}
/**
*
*
* @return
*/
public int getCurrentDay() {
return mDate.get(Calendar.DAY_OF_MONTH); // 从日历中获取当前月份中的日期
}
/**
*
*
* @param dayOfMonth
*/
public void setCurrentDay(int dayOfMonth) {
// 如果不是在初始化阶段且日期没有变化,则不执行任何操作
if (!mInitialising && dayOfMonth == getCurrentDay()) {
return;
}
mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); // 设置日历的日期
updateDateControl(); // 更新日期控件
onDateTimeChanged(); // 触发日期时间变化的回调
}
/**
* 24(0~23)
*
* @return 24
*/
public int getCurrentHourOfDay() {
return mDate.get(Calendar.HOUR_OF_DAY); // 从日历中获取当前小时
}
private int getCurrentHour() {
// 如果是24小时制直接返回当前小时否则转换为12小时制
if (mIs24HourView){
return getCurrentHourOfDay();
} else {
int hour = getCurrentHourOfDay();
if (hour > HOURS_IN_HALF_DAY) {
return hour - HOURS_IN_HALF_DAY; // 转换为下午时间
} else {
return hour == 0 ? HOURS_IN_HALF_DAY : hour; // 0点转换为12点
}
}
}
/**
* 24(0~23)
*
* @param hourOfDay 24
*/
public void setCurrentHour(int hourOfDay) {
// 如果不是在初始化阶段且小时没有变化,则不执行任何操作
if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {
return;
}
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); // 设置日历的小时
if (!mIs24HourView) {
// 如果不是24小时制处理上午/下午的转换
if (hourOfDay >= HOURS_IN_HALF_DAY) {
mIsAm = false; // 设置为下午
if (hourOfDay > HOURS_IN_HALF_DAY) {
hourOfDay -= HOURS_IN_HALF_DAY; // 转换为12小时制的下午时间
}
} else {
mIsAm = true; // 设置为上午
if (hourOfDay == 0) {
hourOfDay = HOURS_IN_HALF_DAY; // 0点转换为12点
}
}
updateAmPmControl(); // 更新上午/下午控件
}
mHourSpinner.setValue(hourOfDay); // 设置小时选择器的值
onDateTimeChanged(); // 触发日期时间变化的回调
}
/**
*
*
* @return
*/
public int getCurrentMinute() {
return mDate.get(Calendar.MINUTE); // 从日历中获取当前分钟
}
/**
*
*
* @param minute
*/
public void setCurrentMinute(int minute) {
// 如果不是在初始化阶段且分钟没有变化,则不执行任何操作
if (!mInitialising && minute == getCurrentMinute()) {
return;
}
mMinuteSpinner.setValue(minute); // 设置分钟选择器的值
mDate.set(Calendar.MINUTE, minute); // 设置日历的分钟
onDateTimeChanged(); // 触发日期时间变化的回调
}
/**
* 24
*
* @return 24truefalse
*/
public boolean is24HourView() {
return mIs24HourView; // 返回是否处于24小时视图
}
/**
* 24/
*
* @param is24HourView 24true/false
*/
public void set24HourView(boolean is24HourView) {
// 如果已经是相同的模式,则不执行任何操作
if (mIs24HourView == is24HourView) {
return;
}
mIs24HourView = is24HourView; // 设置模式
mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE); // 根据模式设置上午/下午选择器的可见性
int hour = getCurrentHourOfDay(); // 获取当前小时
updateHourControl(); // 更新小时控件
setCurrentHour(hour); // 设置当前小时
updateAmPmControl(); // 更新上午/下午控件
}
private void updateDateControl() {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);
mDateSpinner.setDisplayedValues(null);
for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) {
cal.add(Calendar.DAY_OF_YEAR, 1);
mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal);
}
mDateSpinner.setDisplayedValues(mDateDisplayValues);
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
mDateSpinner.invalidate();
}
private void updateAmPmControl() {
if (mIs24HourView) {
mAmPmSpinner.setVisibility(View.GONE);
} else {
int index = mIsAm ? Calendar.AM : Calendar.PM;
mAmPmSpinner.setValue(index);
mAmPmSpinner.setVisibility(View.VISIBLE);
}
}
private void updateHourControl() {
if (mIs24HourView) {
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);
} else {
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
}
}
/**
* ''
*
* @param callback null
*/
public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
mOnDateTimeChangedListener = callback; // 设置日期时间变化的监听器
}
private void onDateTimeChanged() {
// 当日期时间变化时触发回调
if (mOnDateTimeChangedListener != null) {
mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
}
}

@ -0,0 +1,104 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import java.util.Calendar;
import net.micode.notes.R;
import net.micode.notes.ui.DateTimePicker;
import net.micode.notes.ui.DateTimePicker.OnDateTimeChangedListener;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.text.format.DateFormat;
import android.text.format.DateUtils;
public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
private Calendar mDate = Calendar.getInstance(); // 创建Calendar实例用于存储选择的日期和时间
private boolean mIs24HourView; // 标识是否为24小时制
private OnDateTimeSetListener mOnDateTimeSetListener; // 日期时间设置监听器
private DateTimePicker mDateTimePicker; // 日期时间选择器控件
// 定义一个监听器接口,用于通知日期时间被设置的事件
public interface OnDateTimeSetListener {
void OnDateTimeSet(AlertDialog dialog, long date);
}
// 构造函数,初始化对话框
public DateTimePickerDialog(Context context, long date) {
super(context);
mDateTimePicker = new DateTimePicker(context); // 初始化日期时间选择器
setView(mDateTimePicker); // 设置对话框的视图为日期时间选择器
// 设置日期时间选择器的日期时间变化监听器
mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
public void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute) {
// 当日期时间变化时更新mDate实例
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);
// 更新对话框标题
updateTitle(mDate.getTimeInMillis());
}
});
mDate.setTimeInMillis(date); // 设置mDate为传入的日期时间
mDate.set(Calendar.SECOND, 0); // 设置秒数为0
mDateTimePicker.setCurrentDate(mDate.getTimeInMillis()); // 设置日期时间选择器的当前日期时间
// 设置对话框的"确定"按钮及其点击事件监听器
setButton(context.getString(R.string.datetime_dialog_ok), this);
// 设置对话框的"取消"按钮这里没有设置监听器所以传入null
setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);
// 根据系统设置判断是否为24小时制
set24HourView(DateFormat.is24HourFormat(this.getContext()));
// 更新对话框标题
updateTitle(mDate.getTimeInMillis());
}
// 设置是否为24小时制
public void set24HourView(boolean is24HourView) {
mIs24HourView = is24HourView;
}
// 设置日期时间设置监听器
public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
mOnDateTimeSetListener = callBack;
}
// 更新对话框标题为当前日期时间的字符串表示
private void updateTitle(long date) {
// 设置日期时间格式标志
int flag = DateUtils.FORMAT_SHOW_YEAR | DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_TIME;
// 根据是否为24小时制设置格式标志
flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_12HOUR;
// 使用DateUtils.formatDateTime格式化日期时间字符串并设置为对话框标题
setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
}
// 点击事件的处理实现OnClickListener接口
public void onClick(DialogInterface arg0, int arg1) {
// 当点击事件发生时,如果设置了监听器,则通知日期时间被设置
if (mOnDateTimeSetListener != null) {
mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());
}
}
}

@ -0,0 +1,65 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import android.content.Context;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.PopupMenu;
import android.widget.PopupMenu.OnMenuItemClickListener;
import net.micode.notes.R;
public class DropdownMenu {
private Button mButton;
private Menu mMenu; // 声明Menu对象用于菜单项
public DropdownMenu(Context context, Button button, int menuId) {
// 构造函数初始化DropdownMenu
mButton = button; // 传入的按钮,用于触发弹出菜单
mButton.setBackgroundResource(R.drawable.dropdown_icon); // 设置按钮的背景图标
mPopupMenu = new PopupMenu(context, mButton); // 初始化PopupMenu关联到按钮
mMenu = mPopupMenu.getMenu(); // 获取PopupMenu的菜单
// 使用menuId指定的菜单资源填充mMenu
mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
// 为按钮设置点击事件监听器
mButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
mPopupMenu.show(); // 当按钮被点击时显示PopupMenu
}
});
}
public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
// 设置下拉菜单项的点击事件监听器
if (mPopupMenu != null) {
mPopupMenu.setOnMenuItemClickListener(listener); // 设置监听器
}
}
public MenuItem findItem(int id) {
// 根据ID查找菜单项
return mMenu.findItem(id); // 返回找到的菜单项
}
public void setTitle(CharSequence title) {
// 设置按钮上显示的标题文本
mButton.setText(title); // 设置按钮文本
}

@ -0,0 +1,88 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.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 {
// 定义查询数据库时使用的字段
public static final String [] PROJECTION = {
NoteColumns.ID,
NoteColumns.SNIPPET
};
// 定义列索引常量
public static final int ID_COLUMN = 0; // ID列的索引
public static final int NAME_COLUMN = 1; // 名称列的索引
public FoldersListAdapter(Context context, Cursor c) {
super(context, c); // 调用基构造函数
// TODO Auto-generated constructor stub
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
// 创建新的视图
return new FolderListItem(context);
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
// 绑定数据到视图
if (view instanceof FolderListItem) {
// 根据ID是否为根文件夹ID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); // 绑定文件夹名称到视图
}
}
public String getFolderName(Context context, int position) {
// 根据位置获取文件夹名称
Cursor cursor = (Cursor) getItem(position);
return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
}
private class FolderListItem extends LinearLayout {
// 定义文件夹列表项中的文本视图
private TextView mName;
public FolderListItem(Context context) {
super(context); // 调用基构造函数
// 填充布局
inflate(context, R.layout.folder_list_item, this);
mName = (TextView) findViewById(R.id.tv_folder_name); // 初始化文本视图
}
public void bind(String name) {
// 绑定文件夹名称到文本视图
mName.setText(name);
}
}
}

@ -0,0 +1,935 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.app.SearchManager;
import android.appwidget.AppWidgetManager;
import android.content.ContentUris;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Paint;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.TextUtils;
import android.text.format.DateUtils;
import android.text.style.BackgroundColorSpan;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.TextNote;
import net.micode.notes.model.WorkingNote;
import net.micode.notes.model.WorkingNote.NoteSettingChangedListener;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser;
import net.micode.notes.tool.ResourceParser.TextAppearanceResources;
import net.micode.notes.ui.DateTimePickerDialog.OnDateTimeSetListener;
import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener;
import net.micode.notes.widget.NoteWidgetProvider_2x;
import net.micode.notes.widget.NoteWidgetProvider_4x;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public DateTimePicker(Context context, long date, boolean is24HourView) {
super(context); // 调用View的构造函数
mDate = Calendar.getInstance(); // 创建Calendar实例
mInitialising = true; // 设置初始化标志为true
mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY; // 判断当前时间是上午还是下午
inflate(context, R.layout.datetime_picker, this); // 根据布局文件R.layout.datetime_picker实例化视图
// 初始化日期选择器,并设置最小值和最大值,以及值变化监听器
mDateSpinner = (NumberPicker) findViewById(R.id.date);
mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
mDateSpinner.setOnValueChangedListener(mOnDateChangedListener);
// 初始化小时选择器,并设置值变化监听器
mHourSpinner = (NumberPicker) findViewById(R.id.hour);
mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);
// 初始化分钟选择器,并设置最小值、最大值、长按更新间隔和值变化监听器
mMinuteSpinner = (NumberPicker) findViewById(R.id.minute);
mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);
mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);
mMinuteSpinner.setOnLongPressUpdateInterval(100);
mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);
// 初始化上午/下午选择器,并设置最小值、最大值、显示值和值变化监听器
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);
// 更新控件到初始状态
updateDateControl();
updateHourControl();
updateAmPmControl();
// 根据参数设置是否为24小时制
set24HourView(is24HourView);
// 设置当前时间
setCurrentDate(date);
// 设置控件的启用状态
setEnabled(isEnabled());
// 设置内容描述
mInitialising = false; // 初始化完成
}
@Override
public void setEnabled(boolean enabled) {
if (mIsEnabled == enabled) {
return; // 如果已经是这个状态,则不执行任何操作
}
super.setEnabled(enabled); // 设置View的启用状态
// 根据启用状态设置子控件的启用状态
mDateSpinner.setEnabled(enabled);
mMinuteSpinner.setEnabled(enabled);
mHourSpinner.setEnabled(enabled);
mAmPmSpinner.setEnabled(enabled);
mIsEnabled = enabled; // 更新成员变量
}
@Override
public boolean isEnabled() {
return mIsEnabled; // 返回控件的启用状态
}
/**
*
*
* @return
*/
public long getCurrentDateInTimeMillis() {
return mDate.getTimeInMillis(); // 返回Calendar实例的当前时间毫秒值
}
/**
*
*
* @param date
*/
public void setCurrentDate(long date) {
// 创建Calendar实例并设置为当前日期
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(date);
// 调用另一个重载的setCurrentDate方法传入年月日时分
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));
}
/**
*
*
* @param year
* @param month
* @param dayOfMonth
* @param hourOfDay
* @param minute
*/
public void setCurrentDate(int year, int month, int dayOfMonth, int hourOfDay, int minute) {
// 分别设置年、月、日、时、分
setCurrentYear(year);
setCurrentMonth(month);
setCurrentDay(dayOfMonth);
setCurrentHour(hourOfDay);
setCurrentMinute(minute);
}
/**
*
*
* @return
*/
public int getCurrentYear() {
return mDate.get(Calendar.YEAR); // 从Calendar实例中获取当前年份
}
/**
*
*
* @param year
*/
public void setCurrentYear(int year) {
// 方法实现略
}
/**
*
*
* @return
*/
public int getCurrentMonth() {
return mDate.get(Calendar.MONTH); // 从Calendar实例中获取当前月份
}
/**
*
*
* @param month
*/
public void setCurrentMonth(int month) {
int dayOfMonth, int hourOfDay, int minute) {
setCurrentYear(year);
setCurrentMonth(month);
setCurrentDay(dayOfMonth);
setCurrentHour(hourOfDay);
setCurrentMinute(minute);
}
public class NoteEditActivity extends Activity implements OnClickListener,
NoteSettingChangedListener, OnTextViewChangeListener {
// NoteEditActivity类继承自Activity并实现了OnClickListener、NoteSettingChangedListener和OnTextViewChangeListener接口
private class HeadViewHolder {
// HeadViewHolder是NoteEditActivity的一个内部类用于持有界面元素的引用
public TextView tvModified; // 修改时间文本
public ImageView ivAlertIcon; // 提醒图标图片
public TextView tvAlertDate; // 提醒日期文本
public ImageView ibSetBgColor; // 设置背景颜色图片
}
}
private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>();
static {
// 初始化背景颜色选择按钮与颜色值的映射
sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
sBgSelectorBtnsMap.put(R.id.iv_bg_red, ResourceParser.RED);
sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE);
sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN);
sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE);
}
private static final Map<Integer, Integer> sBgSelectorSelectionMap = new HashMap<Integer, Integer>();
static {
// 初始化背景颜色选择后对应的选中标记按钮的映射
sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select);
sBgSelectorSelectionMap.put(ResourceParser.RED, R.id.iv_bg_red_select);
sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select);
sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select);
sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select);
}
private static final Map<Integer, Integer> sFontSizeBtnsMap = new HashMap<Integer, Integer>();
static {
// 初始化字体大小选择按钮与字体大小值的映射
sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE);
sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL);
sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM);
sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER);
}
private static final Map<Integer, Integer> sFontSelectorSelectionMap = new HashMap<Integer, Integer>();
static {
// 初始化字体大小选择后对应的选中标记的映射
sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select);
sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select);
sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select);
sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select);
}
private static final String TAG = "NoteEditActivity"; // 类的日志标签
private HeadViewHolder mNoteHeaderHolder; // 用于持有头部视图元素的引用
private View mHeadViewPanel; // 笔记头部面板视图
private View mNoteBgColorSelector; // 笔记背景颜色选择器视图
private View mFontSizeSelector; // 字体大小选择器视图
private EditText mNoteEditor; // 笔记编辑器文本框
private View mNoteEditorPanel; // 笔记编辑器面板视图
private WorkingNote mWorkingNote; // 当前正在编辑的笔记
private SharedPreferences mSharedPrefs; // 共享首选项,用于存储应用设置
private int mFontSizeId; // 当前选中的字体大小ID
private static final String PREFERENCE_FONT_SIZE = "pref_font_size"; // 存储字体大小的首选项键
private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10; // 快捷方式图标标题的最大长度限制
public static final String TAG_CHECKED = String.valueOf('\u221A'); // 标记为选中的标签
public static final String TAG_UNCHECKED = String.valueOf('\u25A1'); // 标记为未选中的标签
private LinearLayout mEditTextList; // 编辑文本列表
private String mUserQuery; // 用户查询的字符串
private Pattern mPattern; // 用户查询的正则表达式模式
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.setContentView(R.layout.note_edit); // 设置活动的布局
if (savedInstanceState == null && !initActivityState(getIntent())) {
finish(); // 如果无法初始化活动状态,则结束活动
return;
}
initResources(); // 初始化资源
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
// 如果恢复InstanceState时包含Intent.EXTRA_UID则尝试恢复活动状态
if (savedInstanceState != null && savedInstanceState.containsKey(Intent.EXTRA_UID)) {
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.putExtra(Intent.EXTRA_UID, savedInstanceState.getLong(Intent.EXTRA_UID));
// 尝试初始化活动状态
if (!initActivityState(intent)) {
finish();
return;
}
Log.d(TAG, "Restoring from killed activity"); // 日志记录恢复活动
}
}
private boolean initActivityState(Intent intent) {
// 初始化活动状态的逻辑
// 如果Intent的Action是ACTION_VIEW但未提供ID则跳转到NotesListActivity
mWorkingNote = null;
// 根据Intent的不同Action执行不同的逻辑
// 包括处理查看笔记、新建笔记、从呼叫记录创建笔记等
// ...
// 设置软键盘的显示模式
getWindow().setSoftInputMode(
WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
| WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
// 初始化成功后注册设置状态变化的监听器并返回true
mWorkingNote.setOnSettingStatusChangedListener(this);
return true;
}
@Override
protected void onResume() {
super.onResume();
// 活动恢复时,重新初始化笔记屏幕
initNoteScreen();
}
private void initNoteScreen() {
// 设置笔记编辑器的文本样式
mNoteEditor.setTextAppearance(this, TextAppearanceResources
.getTexAppearanceResource(mFontSizeId));
// 根据笔记的类型,设置编辑器的模式(列表模式或普通模式)
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
switchToListMode(mWorkingNote.getContent());
} else {
mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
mNoteEditor.setSelection(mNoteEditor.getText().length());
}
// 隐藏所有背景选择标记,只显示当前选中的背景标记
for (Integer id : sBgSelectorSelectionMap.keySet()) {
findViewById(sBgSelectorSelectionMap.get(id)).setVisibility(View.GONE);
}
// 设置头部和编辑器面板的背景
mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
// 设置修改时间的文本
mNoteHeaderHolder.tvModified.setText(DateUtils.formatDateTime(this,
mWorkingNote.getModifiedDate(), DateUtils.FORMAT_SHOW_DATE
| DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_TIME
| DateUtils.FORMAT_SHOW_YEAR));
}
/**
* DateTimePicker
*/
showAlertHeader(); // 调用showAlertHeader方法
private void showAlertHeader() {
// 如果工作笔记有闹钟提醒,则显示提醒日期
if (mWorkingNote.hasClockAlert()) {
long time = System.currentTimeMillis(); // 获取当前时间
if (time > mWorkingNote.getAlertDate()) { // 如果当前时间超过了提醒时间
mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired); // 显示提醒已过期文本
} else {
// 显示相对时间字符串,如"3分钟前"
mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString(
mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS));
}
mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE); // 设置提醒日期文本可见
mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE); // 设置提醒图标可见
} else {
// 如果没有闹钟提醒,则隐藏提醒日期和图标
mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE);
mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE);
}
}
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
// 处理新的Intent用于配置活动状态
initActivityState(intent);
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
// 保存工作笔记的ID到实例状态
if (!mWorkingNote.existInDatabase()) {
saveNote(); // 如果笔记不在数据库中则保存笔记以生成ID
}
outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId());
Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState");
}
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
// 分发触摸事件
// 如果背景颜色选择器可见且触摸事件在其范围外,则隐藏选择器并消耗事件
if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
&& !inRangeOfView(mNoteBgColorSelector, ev)) {
mNoteBgColorSelector.setVisibility(View.GONE);
return true;
}
// 如果字体大小选择器可见且触摸事件在其范围外,则隐藏选择器并消耗事件
if (mFontSizeSelector.getVisibility() == View.VISIBLE
&& !inRangeOfView(mFontSizeSelector, ev)) {
mFontSizeSelector.setVisibility(View.GONE);
return true;
}
return super.dispatchTouchEvent(ev); // 默认的事件处理
}
private boolean inRangeOfView(View view, MotionEvent ev) {
// 检查触摸事件是否在视图范围内
int []location = new int[2];
view.getLocationOnScreen(location); // 获取视图在屏幕中的位置
int x = location[0];
int y = location[1];
// 如果触摸事件的坐标在视图范围外则返回false
if (ev.getX() < x
|| ev.getX() > (x + view.getWidth())
|| ev.getY() < y
|| ev.getY() > (y + view.getHeight())) {
return false;
}
return true;
}
private void initResources() {
// 初始化资源
mHeadViewPanel = findViewById(R.id.note_title);
mNoteHeaderHolder = new HeadViewHolder(); // 创建头部视图持有者
// 初始化头部视图元素的引用
mNoteHeaderHolder.tvModified = (TextView) findViewById(R.id.tv_modified_date);
mNoteHeaderHolder.ivAlertIcon = (ImageView) findViewById(R.id.iv_alert_icon);
mNoteHeaderHolder.tvAlertDate = (TextView) findViewById(R.id.tv_alert_date);
mNoteHeaderHolder.ibSetBgColor = (ImageView) findViewById(R.id.btn_set_bg_color);
mNoteHeaderHolder.ibSetBgColor.setOnClickListener(this); // 设置背景颜色按钮的点击监听器
mNoteEditor = (EditText) findViewById(R.id.note_edit_view); // 初始化笔记编辑器
mNoteEditorPanel = findViewById(R.id.sv_note_edit); // 初始化笔记编辑器面板
mNoteBgColorSelector = findViewById(R.id.note_bg_color_selector); // 初始化背景颜色选择器
// 为背景颜色选择按钮设置点击监听器
for (int id : sBgSelectorBtnsMap.keySet()) {
ImageView iv = (ImageView) findViewById(id);
iv.setOnClickListener(this);
}
mFontSizeSelector = findViewById(R.id.font_size_selector); // 初始化字体大小选择器
// 为字体大小选择按钮设置点击监听器
for (int id : sFontSizeBtnsMap.keySet()) {
View view = findViewById(id);
view.setOnClickListener(this);
}
mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this); // 获取默认的SharedPreferences
// 获取存储的字体大小ID如果没有存储则使用默认值
mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);
}
if(mFontSizeId >= TextAppearanceResources.getResourcesSize()) {
// 如果获取的字体大小ID超出了有效范围则设置为默认字体大小ID
mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE;
}
mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list);
// 初始化编辑文本列表
@Override
protected void onPause() {
super.onPause();
// 当活动暂停时,尝试保存笔记数据
if(saveNote()) {
Log.d(TAG, "Note data was saved with length:" + mWorkingNote.getContent().length());
}
clearSettingState();
// 清除设置状态
}
private void updateWidget() {
// 更新小部件显示
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
// 根据笔记的小部件类型,设置意图的类
// ...
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
mWorkingNote.getWidgetId()
});
// 发送广播,更新小部件
sendBroadcast(intent);
setResult(RESULT_OK, intent);
}
public void onClick(View v) {
// 点击事件处理
int id = v.getId();
// 根据点击的按钮ID执行不同的操作
// ...
}
@Override
public void onBackPressed() {
// 处理返回按钮事件
if(clearSettingState()) {
return;
}
saveNote();
super.onBackPressed();
}
private boolean clearSettingState() {
// 清除设置状态,如背景颜色选择器和字体大小选择器的可见性
// ...
}
public void onBackgroundColorChanged() {
// 背景颜色更改时的回调
// ...
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
// 准备菜单项
if (isFinishing()) {
return true;
}
clearSettingState();
menu.clear();
// 根据笔记所在的文件夹类型,加载不同的菜单资源
// ...
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// 处理菜单项的选项选择事件
switch (item.getItemId()) {
case R.id.menu_new_note:
// 创建新笔记
createNewNote();
break;
case R.id.menu_delete:
// 弹出删除笔记的确认对话框
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(getString(R.string.alert_message_delete_note));
builder.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// 确认删除笔记并结束活动
deleteCurrentNote();
finish();
}
});
builder.setNegativeButton(android.R.string.cancel, null);
builder.show();
break;
case R.id.menu_font_size:
// 显示字体大小选择器
mFontSizeSelector.setVisibility(View.VISIBLE);
findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
break;
case R.id.menu_list_mode:
// 切换笔记编辑模式(普通模式和清单模式)
mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ?
TextNote.MODE_CHECK_LIST : 0);
break;
case R.id.menu_share:
// 分享笔记内容
getWorkingText();
sendTo(this, mWorkingNote.getContent());
break;
case R.id.menu_send_to_desktop:
// 发送到桌面
sendToDesktop();
break;
case R.id.menu_alert:
// 设置提醒
setReminder();
break;
case R.id.menu_delete_remind:
// 删除提醒
mWorkingNote.setAlertDate(0, false);
break;
default:
break;
}
return true;
}
private void setReminder() {
// 设置提醒的日期和时间
DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis());
d.setOnDateTimeSetListener(new OnDateTimeSetListener() {
public void OnDateTimeSet(AlertDialog dialog, long date) {
mWorkingNote.setAlertDate(date, true);
}
});
d.show();
}
/**
* {@link Intent#ACTION_SEND}{text/plain}
*/
private void sendTo(Context context, String info) {
Intent intent = new Intent(Intent.ACTION_SEND);
intent.putExtra(Intent.EXTRA_TEXT, info);
intent.setType("text/plain");
context.startActivity(intent);
}
private void createNewNote() {
// 创建新笔记前先保存当前编辑的笔记
saveNote();
// 结束当前活动并启动一个新的NoteEditActivity
finish();
Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId());
startActivity(intent);
}
private void deleteCurrentNote() {
// 如果笔记存在于数据库中,则删除它
if (mWorkingNote.existInDatabase()) {
HashSet<Long> ids = new HashSet<Long>();
long id = mWorkingNote.getNoteId();
if (id != Notes.ID_ROOT_FOLDER) {
ids.add(id);
} else {
Log.d(TAG, "错误的笔记id不应该发生");
}
if (!isSyncMode()) {
if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) {
Log.e(TAG, "删除笔记错误");
}
} else {
if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) {
Log.e(TAG, "移动笔记到垃圾文件夹错误,不应该发生");
}
}
}
mWorkingNote.markDeleted(true);
}
private boolean isSyncMode() {
// 检查是否处于同步模式
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
}
public void onClockAlertChanged(long date, boolean set) {
// 处理时钟提醒变化
// 用户可能为未保存的笔记设置了时钟,因此在设置提醒之前,我们应先保存笔记
if (!mWorkingNote.existInDatabase()) {
saveNote();
}
if (mWorkingNote.getNoteId() > 0) {
// 创建意图、PendingIntent并设置闹钟
Intent intent = new Intent(this, AlarmReceiver.class);
intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId()));
PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE));
showAlertHeader();
if (!set) {
alarmManager.cancel(pendingIntent);
} else {
alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent);
}
} else {
// 如果用户没有输入任何内容笔记不值得保存我们没有笔记id提醒用户需要输入一些内容
Log.e(TAG, "时钟提醒设置错误");
showToast(R.string.error_note_empty_for_clock);
}
}
public void onWidgetChanged() {
// 当小部件更改时,更新小部件显示
updateWidget();
}
public void onEditTextDelete(int index, String text) {
// 处理删除编辑文本项的事件
int childCount = mEditTextList.getChildCount();
if (childCount == 1) {
return;
}
// 为列表中的每个后续项更新索引
for (int i = index + 1; i < childCount; i++) {
((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
.setIndex(i - 1);
}
// 从列表中移除指定索引的视图
mEditTextList.removeViewAt(index);
// 获取被删除项前后的编辑文本,并追加被删除的文本
NoteEditText edit;
if(index == 0) {
edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById(R.id.et_edit_text);
} else {
edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById(R.id.et_edit_text);
}
int length = edit.length();
edit.append(text);
edit.requestFocus();
edit.setSelection(length);
}
public void onEditTextEnter(int index, String text) {
// 处理输入新文本项的事件
if(index > mEditTextList.getChildCount()) {
Log.e(TAG, "索引超出mEditTextList边界不应发生");
}
// 创建新的文本项视图并添加到列表
View view = getListItem(text, index);
mEditTextList.addView(view, index);
NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
edit.requestFocus();
edit.setSelection(0);
// 为列表中的每个后续项更新索引
for (int i = index + 1; i < mEditTextList.getChildCount(); i++) {
((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
.setIndex(i);
}
}
private void switchToListMode(String text) {
// 切换到列表模式
mEditTextList.removeAllViews();
String[] items = text.split("\n");
int index = 0;
// 将文本项分割并逐个添加到列表中
for (String item : items) {
if(!TextUtils.isEmpty(item)) {
mEditTextList.addView(getListItem(item, index));
index++;
}
}
// 添加一个空的文本项用于输入
mEditTextList.addView(getListItem("", index));
mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus();
// 隐藏普通编辑器并显示编辑文本列表
mNoteEditor.setVisibility(View.GONE);
mEditTextList.setVisibility(View.VISIBLE);
}
private Spannable getHighlightQueryResult(String fullText, String userQuery) {
// 生成带有高亮搜索结果的Spannable字符串
SpannableString spannable = new SpannableString(fullText == null ? "" : fullText);
if (!TextUtils.isEmpty(userQuery)) {
mPattern = Pattern.compile(userQuery);
Matcher m = mPattern.matcher(fullText);
int start = 0;
// 遍历所有匹配的搜索结果并设置背景色高亮
while (m.find(start)) {
spannable.setSpan(
new BackgroundColorSpan(this.getResources().getColor(
R.color.user_query_highlight)), m.start(), m.end(),
Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
start = m.end();
}
}
return spannable;
}
private View getListItem(String item, int index) {
// 获取单个文本项的视图
View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null);
final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
// 初始化复选框和编辑文本,并设置相关事件监听器
CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (isChecked) {
edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
} else {
edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
}
}
});
// 根据TAG_CHECKED或TAG_UNCHECKED设置复选框状态和文本样式
if (item.startsWith(TAG_CHECKED)) {
cb.setChecked(true);
edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
item = item.substring(TAG_CHECKED.length(), item.length()).trim();
} else if (item.startsWith(TAG_UNCHECKED)) {
cb.setChecked(false);
edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
item = item.substring(TAG_UNCHECKED.length(), item.length()).trim();
}
edit.setOnTextViewChangeListener(this);
edit.setIndex(index);
edit.setText(getHighlightQueryResult(item, mUserQuery));
return view;
}
public void onTextChange(int index, boolean hasText) {
// 处理文本变化事件
if (index >= mEditTextList.getChildCount()) {
Log.e(TAG, "错误的索引,不应发生");
return;
}
if(hasText) {
// 如果文本不为空,则显示复选框
mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE);
} else {
// 如果文本为空,则隐藏复选框
mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE);
}
}
public void onCheckListModeChanged(int oldMode, int newMode) {
// 处理检查列表模式变化事件
if (newMode == TextNote.MODE_CHECK_LIST) {
// 如果新的模式是列表模式,则切换到列表模式
switchToListMode(mNoteEditor.getText().toString());
} else {
// 如果新的模式不是列表模式,则切换回普通编辑模式
if (!getWorkingText()) {
mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ", ""));
}
mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
mEditTextList.setVisibility(View.GONE);
mNoteEditor.setVisibility(View.VISIBLE);
}
}
private boolean getWorkingText() {
// 获取工作文本,并构建带有标记的字符串
boolean hasChecked = false;
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < mEditTextList.getChildCount(); i++) {
View view = mEditTextList.getChildAt(i);
NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
if (!TextUtils.isEmpty(edit.getText())) {
CheckBox cb = (CheckBox) view.findViewById(R.id.cb_edit_item);
if (cb.isChecked()) {
sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n");
hasChecked = true;
} else {
sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n");
}
}
}
mWorkingNote.setWorkingText(sb.toString());
} else {
mWorkingNote.setWorkingText(mNoteEditor.getText().toString());
}
return hasChecked;
}
private boolean saveNote() {
// 保存笔记到数据库
getWorkingText();
boolean saved = mWorkingNote.saveNote();
if (saved) {
// 如果保存成功设置结果为RESULT_OK
setResult(RESULT_OK);
}
return saved;
}
private void sendToDesktop() {
// 发送到桌面的逻辑
if (!mWorkingNote.existInDatabase()) {
saveNote();
}
if (mWorkingNote.getNoteId() > 0) {
Intent sender = new Intent();
Intent shortcutIntent = new Intent(this, NoteEditActivity.class);
shortcutIntent.setAction(Intent.ACTION_VIEW);
shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId());
sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
sender.putExtra(Intent.EXTRA_SHORTCUT_NAME,
makeShortcutIconTitle(mWorkingNote.getContent()));
sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app));
sender.putExtra("duplicate", true);
sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
showToast(R.string.info_note_enter_desktop);
sendBroadcast(sender);
} else {
Log.e(TAG, "发送到桌面错误");
showToast(R.string.error_note_empty_for_send_to_desktop);
}
}
private String makeShortcutIconTitle(String content) {
// 创建桌面快捷方式图标标题
content = content.replace(TAG_CHECKED, "");
content = content.replace(TAG_UNCHECKED, "");
return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ?
content.substring(0, SHORTCUT_ICON_TITLE_MAX_LEN) : content;
}
private void showToast(int resId) {
// 显示短时间的Toast提示
showToast(resId, Toast.LENGTH_SHORT);
}
private void showToast(int resId, int duration) {
// 显示Toast提示可指定持续时间
Toast.makeText(this, resId, duration).show();
}

@ -0,0 +1,211 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import android.content.Context;
import android.graphics.Rect;
import android.text.Layout;
import android.text.Selection;
import android.text.Spanned;
import android.text.TextUtils;
import android.text.style.URLSpan;
import android.util.AttributeSet;
import android.util.Log;
import android.view.ContextMenu;
import android.view.KeyEvent;
import android.view.MenuItem;
import android.view.MenuItem.OnMenuItemClickListener;
import android.view.MotionEvent;
import android.widget.EditText;
import net.micode.notes.R;
import java.util.HashMap;
import java.util.Map;
public class NoteEditText extends EditText {
private static final String TAG = "NoteEditText"; // 类的日志标签
private int mIndex; // 索引,表示当前文本编辑框在列表中的位置
private int mSelectionStartBeforeDelete; // 记录删除前光标的位置
// 定义几种链接协议
private static final String SCHEME_TEL = "tel:";
private static final String SCHEME_HTTP = "http:";
private static final String SCHEME_EMAIL = "mailto:";
// 定义链接协议和对应动作资源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);
}
/**
* {@link NoteEditActivity}
*/
public interface OnTextViewChangeListener {
/**
* {@link KeyEvent#KEYCODE_DEL}
*/
void onEditTextDelete(int index, String text);
/**
* {@link KeyEvent#KEYCODE_ENTER}
*/
void onEditTextEnter(int index, String text);
/**
*
*/
void onTextChange(int index, boolean hasText);
}
private OnTextViewChangeListener mOnTextViewChangeListener; // 文本变化事件的监听器
public NoteEditText(Context context) {
super(context, null);
mIndex = 0; // 初始化索引为0
}
public void setIndex(int index) {
mIndex = index; // 设置索引
}
public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
mOnTextViewChangeListener = listener; // 设置文本变化事件的监听器
}
// 构造函数的其他重载版本,处理不同的初始化参数
// ...
@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
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:
if (mOnTextViewChangeListener != null) {
return false;
}
break;
case KeyEvent.KEYCODE_DEL:
mSelectionStartBeforeDelete = getSelectionStart();
break;
default:
break;
}
return super.onKeyDown(keyCode, event);
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
switch(keyCode) {
case KeyEvent.KEYCODE_DEL:
if (mOnTextViewChangeListener != null) {
if (0 == mSelectionStartBeforeDelete && mIndex != 0) {
mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString());
return true;
}
} else {
Log.d(TAG, "OnTextViewChangeListener was not seted");
}
break;
case KeyEvent.KEYCODE_ENTER:
if (mOnTextViewChangeListener != null) {
int selectionStart = getSelectionStart();
String text = getText().subSequence(selectionStart, length()).toString();
setText(getText().subSequence(0, selectionStart));
mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);
} else {
Log.d(TAG, "OnTextViewChangeListener was not seted");
}
break;
default:
break;
}
return super.onKeyUp(keyCode, event);
}
@Override
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
if (mOnTextViewChangeListener != null) {
if (!focused && TextUtils.isEmpty(getText())) {
mOnTextViewChangeListener.onTextChange(mIndex, false);
} else {
mOnTextViewChangeListener.onTextChange(mIndex, true);
}
}
super.onFocusChanged(focused, direction, previouslyFocusedRect);
}
@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) {
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
urls[0].onClick(NoteEditText.this);
return true;
}
});
}
}
super.onCreateContextMenu(menu);
}
}

@ -0,0 +1,229 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import android.content.Context;
import android.database.Cursor;
import android.text.TextUtils;
import net.micode.notes.data.Contact;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.tool.DataUtils;
public class NoteItemData {
static final String [] PROJECTION = new String [] {
NoteColumns.ID,
NoteColumns.ALERTED_DATE,
NoteColumns.BG_COLOR_ID,
NoteColumns.CREATED_DATE,
NoteColumns.HAS_ATTACHMENT,
NoteColumns.MODIFIED_DATE,
NoteColumns.NOTES_COUNT,
NoteColumns.PARENT_ID,
NoteColumns.SNIPPET,
NoteColumns.TYPE,
NoteColumns.WIDGET_ID,
NoteColumns.WIDGET_TYPE,
};
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;
public NoteItemData(Context context, Cursor cursor) {
// 从游标中提取笔记项的数据
mId = cursor.getLong(ID_COLUMN); // 笔记项的ID
mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN); // 闹钟提醒日期
mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN); // 背景颜色ID
mCreatedDate = cursor.getLong(CREATED_DATE_COLUMN); // 创建日期
mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0) ? true : false; // 是否有附件
mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN); // 修改日期
mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN); // 笔记数量
mParentId = cursor.getLong(PARENT_ID_COLUMN); // 父文件夹ID
mSnippet = cursor.getString(SNIPPET_COLUMN); // 笔记片段
// 移除TAG_CHECKED和TAG_UNCHECKED标签
mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace(
NoteEditActivity.TAG_UNCHECKED, "");
mType = cursor.getInt(TYPE_COLUMN); // 笔记类型
mWidgetId = cursor.getInt(WIDGET_ID_COLUMN); // 小部件ID
mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN); // 小部件类型
mPhoneNumber = ""; // 电话号初始为空
if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {
// 如果笔记项是呼叫记录文件夹类型,则获取电话号码
mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId);
if (!TextUtils.isEmpty(mPhoneNumber)) {
// 如果电话号码不为空,则尝试获取联系人名称
mName = Contact.getContact(context, mPhoneNumber);
if (mName == null) {
mName = mPhoneNumber; // 如果联系人名称为空,则使用电话号码
}
}
}
if (mName == null) {
mName = ""; // 如果没有获取到名称,则名称字段设为空字符串
}
checkPostion(cursor); // 检查位置信息
}
private void checkPostion(Cursor cursor) {
// 检查笔记项在游标中的位置信息
mIsLastItem = cursor.isLast() ? true : false; // 是否是最后一个项
mIsFirstItem = cursor.isFirst() ? true : false; // 是否是第一个项
mIsOnlyOneItem = (cursor.getCount() == 1); // 是否仅有一个项
// 检查是否有多条笔记或单个笔记在文件夹后
mIsMultiNotesFollowingFolder = false;
mIsOneNoteFollowingFolder = false;
if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {
int position = cursor.getPosition(); // 当前游标位置
if (cursor.moveToPrevious()) { // 移动到上一个项
if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER
|| cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {
if (cursor.getCount() > (position + 1)) {
mIsMultiNotesFollowingFolder = true; // 有多个笔记跟随文件夹
} else {
mIsOneNoteFollowingFolder = true; // 有一个笔记跟随文件夹
}
}
if (!cursor.moveToNext()) { // 移动回原来的位置
throw new IllegalStateException("游标可以向前移动,但不能向后移动");
}
}
}
}
public boolean isOneFollowingFolder() {
return mIsOneNoteFollowingFolder;
}
public boolean isMultiFollowingFolder() {
return mIsMultiNotesFollowingFolder;
}
public boolean isLast() {
return mIsLastItem;
}
public String getCallName() {
return mName;
}
public boolean isFirst() {
return mIsFirstItem;
}
public boolean isSingle() {
return mIsOnlyOneItem;
}
public long getId() {
return mId;
}
public long getAlertDate() {
return mAlertDate;
}
public long getCreatedDate() {
return mCreatedDate;
}
public boolean hasAttachment() {
return mHasAttachment;
}
public long getModifiedDate() {
return mModifiedDate;
}
public int getBgColorId() {
return mBgColorId;
}
public long getParentId() {
return mParentId;
}
public int getNotesCount() {
return mNotesCount;
}
public long getFolderId () {
return mParentId;
}
public int getType() {
return mType;
}
public int getWidgetType() {
return mWidgetType;
}
public int getWidgetId() {
return mWidgetId;
}
public String getSnippet() {
return mSnippet;
}
public boolean hasAlert() {
return (mAlertDate > 0);
}
public boolean isCallRecord() {
return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));
}
public static int getNoteType(Cursor cursor) {
return cursor.getInt(TYPE_COLUMN);
}
}

@ -0,0 +1,950 @@
package net.micode.notes.ui;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.appwidget.AppWidgetManager;
import android.content.AsyncQueryHandler;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.os.AsyncTask;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.text.Editable;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.util.Log;
import android.view.ActionMode;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Display;
import android.view.HapticFeedbackConstants;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MenuItem.OnMenuItemClickListener;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnCreateContextMenuListener;
import android.view.View.OnTouchListener;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.PopupMenu;
import android.widget.TextView;
import android.widget.Toast;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.remote.GTaskSyncService;
import net.micode.notes.model.WorkingNote;
import net.micode.notes.tool.BackupUtils;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser;
import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
import net.micode.notes.widget.NoteWidgetProvider_2x;
import net.micode.notes.widget.NoteWidgetProvider_4x;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashSet;
public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
// 定义查询操作的token常量
private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
private static final int FOLDER_LIST_QUERY_TOKEN = 1;
// 定义菜单项的常量
private static final int MENU_FOLDER_DELETE = 0;
private static final int MENU_FOLDER_VIEW = 1;
private static final int MENU_FOLDER_CHANGE_NAME = 2;
// 定义应用介绍的首选项键
private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";
// 定义列表编辑状态的枚举
private enum ListEditState {
NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
};
private ListEditState mState; // 当前列表编辑状态
private BackgroundQueryHandler mBackgroundQueryHandler; // 后台查询处理器
private NotesListAdapter mNotesListAdapter; // 笔记列表适配器
private ListView mNotesListView; // 笔记列表视图
private Button mAddNewNote; // 添加新笔记的按钮
private boolean mDispatch; // 标记是否分发事件
private int mOriginY; // 原始Y坐标
private int mDispatchY; // 分发事件时的Y坐标
private TextView mTitleBar; // 标题栏
private long mCurrentFolderId; // 当前文件夹ID
private ContentResolver mContentResolver; // 内容解析器
private ModeCallback mModeCallBack; // 模式回调
private static final String TAG = "NotesListActivity"; // 类的日志标签
// 定义滚动速率常量
public static final int NOTES_LISTVIEW_SCROLL_RATE = 30;
private NoteItemData mFocusNoteDataItem; // 焦点笔记数据项
private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?"; // 普通选择
private static final String ROOT_FOLDER_SELECTION = "(" + NoteColumns.TYPE + "<>"
+ Notes.TYPE_SYSTEM + " AND " + NoteColumns.PARENT_ID + "=?)" + " OR ("
+ NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER + " AND "
+ NoteColumns.NOTES_COUNT + ">0)";
// 定义请求代码常量
private final static int REQUEST_CODE_OPEN_NODE = 102;
private final static int REQUEST_CODE_NEW_NODE = 103;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.note_list); // 设置布局
initResources(); // 初始化资源
// 当用户首次使用应用时,插入一个介绍
setAppInfoFromRawRes();
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// 处理活动结果
if (resultCode == RESULT_OK
&& (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
mNotesListAdapter.changeCursor(null); // 更改游标
} else {
super.onActivityResult(requestCode, resultCode, data); // 其他请求的处理
}
}
private void setAppInfoFromRawRes() {
// 从原始资源中设置应用信息
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
// 如果没有设置过应用介绍则从raw资源中读取
StringBuilder sb = new StringBuilder();
InputStream in = null;
try {
in = getResources().openRawResource(R.raw.introduction);
if (in != null) {
InputStreamReader isr = new InputStreamReader(in);
BufferedReader br = new BufferedReader(isr);
char [] buf = new char[1024];
int len = 0;
while ((len = br.read(buf)) > 0) {
sb.append(buf, 0, len);
}
} else {
Log.e(TAG, "读取介绍文件错误");
return;
}
} catch (IOException e) {
e.printStackTrace();
return;
} finally {
if(in != null) {
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
// 创建一个新笔记并保存介绍文本
WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
ResourceParser.RED);
note.setWorkingText(sb.toString());
if (note.saveNote()) {
sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit(); // 设置已介绍过
} else {
Log.e(TAG, "保存介绍笔记错误");
return;
}
}
}
}
@Override
protected void onStart() {
super.onStart();
startAsyncNotesListQuery(); // 开始异步笔记列表查询
}
private void initResources() {
// 初始化资源的方法
mContentResolver = this.getContentResolver(); // 获取内容解析器
mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver()); // 初始化后台查询处理器
mCurrentFolderId = Notes.ID_ROOT_FOLDER; // 设置当前文件夹ID为根文件夹
mNotesListView = (ListView) findViewById(R.id.notes_list); // 获取笔记列表视图
// 为笔记列表视图添加底部视图
mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null), null, false);
mNotesListView.setOnItemClickListener(new OnListItemClickListener()); // 设置列表项点击事件监听器
mNotesListView.setOnItemLongClickListener(this); // 设置长按事件监听器
mNotesListAdapter = new NotesListAdapter(this); // 初始化笔记列表适配器
mNotesListView.setAdapter(mNotesListAdapter); // 设置适配器到列表视图
mAddNewNote = (Button) findViewById(R.id.btn_new_note); // 获取添加新笔记的按钮
mAddNewNote.setOnClickListener(this); // 设置按钮点击事件
mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener()); // 设置按钮触摸事件
mDispatch = false; // 初始化分发标记为false
mDispatchY = 0; // 初始化分发Y坐标
mOriginY = 0; // 初始化原始Y坐标
mTitleBar = (TextView) findViewById(R.id.tv_title_bar); // 获取标题栏
mState = ListEditState.NOTE_LIST; // 初始化列表编辑状态为NOTE_LIST
mModeCallBack = new ModeCallback(); // 初始化模式回调
}
private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
private DropdownMenu mDropDownMenu;
private ActionMode mActionMode;
private MenuItem mMoveMenu;
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
getMenuInflater().inflate(R.menu.note_list_options, menu);
menu.findItem(R.id.delete).setOnMenuItemClickListener(this);
mMoveMenu = menu.findItem(R.id.move);
if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER
|| DataUtils.getUserFolderCount(mContentResolver) == 0) {
mMoveMenu.setVisible(false);
} else {
mMoveMenu.setVisible(true);
mMoveMenu.setOnMenuItemClickListener(this);
}
mActionMode = mode;
mNotesListAdapter.setChoiceMode(true);
mNotesListView.setLongClickable(false);
mAddNewNote.setVisibility(View.GONE);
View customView = LayoutInflater.from(NotesListActivity.this).inflate(
R.layout.note_list_dropdown_menu, null);
mode.setCustomView(customView);
mDropDownMenu = new DropdownMenu(NotesListActivity.this,
(Button) customView.findViewById(R.id.selection_menu),
R.menu.note_list_dropdown);
mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){
public boolean onMenuItemClick(MenuItem item) {
mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());
updateMenu();
return true;
}
});
return true;
}
private void updateMenu() {
int selectedCount = mNotesListAdapter.getSelectedCount();
// Update dropdown menu
String format = getResources().getString(R.string.menu_select_title, selectedCount);
mDropDownMenu.setTitle(format);
MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);
if (item != null) {
if (mNotesListAdapter.isAllSelected()) {
item.setChecked(true);
item.setTitle(R.string.menu_deselect_all);
} else {
item.setChecked(false);
item.setTitle(R.string.menu_select_all);
}
}
}
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
// TODO Auto-generated method stub
return false;
}
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
// TODO Auto-generated method stub
return false;
}
public void onDestroyActionMode(ActionMode mode) {
mNotesListAdapter.setChoiceMode(false);
mNotesListView.setLongClickable(true);
mAddNewNote.setVisibility(View.VISIBLE);
}
public void finishActionMode() {
mActionMode.finish();
}
public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
boolean checked) {
mNotesListAdapter.setCheckedItem(position, checked);
updateMenu();
}
public boolean onMenuItemClick(MenuItem item) {
if (mNotesListAdapter.getSelectedCount() == 0) {
Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none),
Toast.LENGTH_SHORT).show();
return true;
}
switch (item.getItemId()) {
case R.id.delete:
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(getString(R.string.alert_message_delete_notes,
mNotesListAdapter.getSelectedCount()));
builder.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int which) {
batchDelete();
}
});
builder.setNegativeButton(android.R.string.cancel, null);
builder.show();
break;
case R.id.move:
startQueryDestinationFolders();
break;
default:
return false;
}
return true;
}
}
private class NewNoteOnTouchListener implements OnTouchListener {
public boolean onTouch(View v, MotionEvent event) {
// 处理新建笔记按钮的触摸事件
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN: {
// 当动作是按下时计算屏幕和按钮的高度获取事件的Y坐标
Display display = getWindowManager().getDefaultDisplay();
int screenHeight = display.getHeight();
int newNoteViewHeight = mAddNewNote.getHeight();
int start = screenHeight - newNoteViewHeight;
int eventY = start + (int) event.getY();
// 如果状态是子文件夹,减去标题栏的高度
if (mState == ListEditState.SUB_FOLDER) {
eventY -= mTitleBar.getHeight();
start -= mTitleBar.getHeight();
}
// 如果事件的Y坐标小于某个阈值可能触发了列表的滚动
if (event.getY() < (event.getX() * (-0.12) + 94)) {
// ...(代码省略,处理列表项的触摸事件)
}
break;
}
case MotionEvent.ACTION_MOVE: {
// 当动作是移动时更新事件的Y坐标并分发事件
if (mDispatch) {
// ...(代码省略,处理拖动事件)
}
break;
}
default: {
// 当动作是其他类型时,重置分发状态并处理事件
if (mDispatch) {
// ...(代码省略,处理事件结束后的逻辑)
}
break;
}
}
return false; // 返回false表示事件未被消费
}
};
private void startAsyncNotesListQuery() {
// 启动异步笔记列表查询
String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION
: NORMAL_SELECTION;
// 根据当前文件夹ID使用不同的查询条件
mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] {
String.valueOf(mCurrentFolderId)
}, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
}
private final class BackgroundQueryHandler extends AsyncQueryHandler {
public BackgroundQueryHandler(ContentResolver contentResolver) {
super(contentResolver);
// 构造函数初始化AsyncQueryHandler
}
@Override
protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
// 异步查询完成后的回调
switch (token) {
case FOLDER_NOTE_LIST_QUERY_TOKEN:
// 如果查询令牌匹配,更新笔记列表适配器的游标
mNotesListAdapter.changeCursor(cursor);
break;
case FOLDER_LIST_QUERY_TOKEN:
// 如果是查询文件夹列表,显示文件夹列表菜单
if (cursor != null && cursor.getCount() > 0) {
showFolderListMenu(cursor);
} else {
Log.e(TAG, "查询文件夹失败");
}
break;
default:
return;
}
}
}
private void showFolderListMenu(Cursor cursor) {
// 显示选择文件夹的对话框
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(R.string.menu_title_select_folder); // 设置对话框标题
final FoldersListAdapter adapter = new FoldersListAdapter(this, cursor); // 创建文件夹列表适配器
builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
// 设置列表项点击事件的监听器
public void onClick(DialogInterface dialog, int which) {
// 当点击列表项时,批量移动选中的笔记到所选文件夹
DataUtils.batchMoveToFolder(mContentResolver,
mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which));
// 显示移动成功的提示信息
Toast.makeText(
NotesListActivity.this,
getString(R.string.format_move_notes_to_folder,
mNotesListAdapter.getSelectedCount(),
adapter.getFolderName(NotesListActivity.this, which)),
Toast.LENGTH_SHORT).show();
// 结束多选模式
mModeCallBack.finishActionMode();
}
});
builder.show(); // 显示对话框
}
private void createNewNote() {
// 创建新笔记的方法
Intent intent = new Intent(this, NoteEditActivity.class); // 创建意图目标为NoteEditActivity
intent.setAction(Intent.ACTION_INSERT_OR_EDIT); // 设置动作为创建或编辑
intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mCurrentFolderId); // 传递当前文件夹ID
this.startActivityForResult(intent, REQUEST_CODE_NEW_NODE); // 启动活动并等待结果
}
private void batchDelete() {
// 批量删除笔记的方法
new AsyncTask<Void, Void, HashSet<AppWidgetAttribute>>() {
@Override
protected HashSet<AppWidgetAttribute> doInBackground(Void... unused) {
// 在后台线程中执行删除操作
HashSet<AppWidgetAttribute> widgets = mNotesListAdapter.getSelectedWidget();
if (!isSyncMode()) {
// 如果不是同步模式,则直接删除笔记
if (DataUtils.batchDeleteNotes(mContentResolver, mNotesListAdapter
.getSelectedItemIds())) {
} else {
Log.e(TAG, "删除笔记错误,不应发生");
}
} else {
// 如果是同步模式,将删除的笔记移动到垃圾文件夹
if (!DataUtils.batchMoveToFolder(mContentResolver, mNotesListAdapter
.getSelectedItemIds(), Notes.ID_TRASH_FOLER)) {
Log.e(TAG, "将笔记移动到垃圾文件夹错误,不应发生");
}
}
return widgets;
}
}.execute(); // 执行异步删除任务
}
@Override
protected void onPostExecute(HashSet<AppWidgetAttribute> widgets) {
// AsyncTask的onPostExecute方法用于在后台任务完成后更新UI
if (widgets != null) {
for (AppWidgetAttribute widget : widgets) {
// 如果widget的ID和类型有效则更新小部件
if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
&& widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) {
updateWidget(widget.widgetId, widget.widgetType);
}
}
}
// 结束多选模式
mModeCallBack.finishActionMode();
}
private void deleteFolder(long folderId) {
// 删除文件夹的方法
if (folderId == Notes.ID_ROOT_FOLDER) {
// 如果尝试删除根文件夹,则记录错误并返回
Log.e(TAG, "错误的文件夹ID不应发生: " + folderId);
return;
}
HashSet<Long> ids = new HashSet<Long>();
ids.add(folderId);
// 获取与文件夹相关的笔记和对应的小部件
HashSet<AppWidgetAttribute> widgets = DataUtils.getFolderNoteWidget(mContentResolver, folderId);
if (!isSyncMode()) {
// 如果不是同步模式,则直接删除笔记
DataUtils.batchDeleteNotes(mContentResolver, ids);
} else {
// 如果是同步模式,将删除的文件夹移动到垃圾文件夹
DataUtils.batchMoveToFolder(mContentResolver, ids, Notes.ID_TRASH_FOLER);
}
// 如果存在相关小部件,则更新它们
if (widgets != null) {
for (AppWidgetAttribute widget : widgets) {
if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
&& widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) {
updateWidget(widget.widgetId, widget.widgetType);
}
}
}
}
private void openNode(NoteItemData data) {
// 打开笔记项的方法
Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_VIEW);
intent.putExtra(Intent.EXTRA_UID, data.getId());
this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE);
}
private void openFolder(NoteItemData data) {
// 打开文件夹的方法
mCurrentFolderId = data.getId();
startAsyncNotesListQuery();
// 根据文件夹类型设置状态和界面
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mState = ListEditState.CALL_RECORD_FOLDER;
mAddNewNote.setVisibility(View.GONE);
} else {
mState = ListEditState.SUB_FOLDER;
}
// 设置标题栏的文本
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mTitleBar.setText(R.string.call_record_folder_name);
} else {
mTitleBar.setText(data.getSnippet());
}
mTitleBar.setVisibility(View.VISIBLE);
}
public void onClick(View v) {
// 点击事件的处理
switch (v.getId()) {
case R.id.btn_new_note:
// 如果点击的是新建笔记按钮,则创建新笔记
createNewNote();
break;
default:
break;
}
}
private void showSoftInput() {
// 显示软键盘的方法
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
if (inputMethodManager != null) {
inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
}
}
private void hideSoftInput(View view) {
// 隐藏软键盘的方法
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
}
private void showCreateOrModifyFolderDialog(final boolean create) {
// 创建对话框构建器
final AlertDialog.Builder builder = new AlertDialog.Builder(this);
// 布局充气
View view = LayoutInflater.from(this).inflate(R.layout.dialog_edit_text, null);
// 初始化输入框
final EditText etName = (EditText) view.findViewById(R.id.et_foler_name);
// 显示软键盘
showSoftInput();
if (!create) {
// 如果不是创建文件夹,而是修改文件夹
if (mFocusNoteDataItem != null) {
// 设置输入框文本为焦点笔记数据项的片段
etName.setText(mFocusNoteDataItem.getSnippet());
// 设置对话框标题为修改文件夹名称
builder.setTitle(getString(R.string.menu_folder_change_name));
} else {
// 如果长按数据项为空,则记录错误并返回
Log.e(TAG, "The long click data item is null");
return;
}
} else {
// 如果是创建文件夹
etName.setText(""); // 清空输入框
builder.setTitle(this.getString(R.string.menu_create_folder)); // 设置对话框标题为创建文件夹
}
// 设置对话框的确定和取消按钮
builder.setPositiveButton(android.R.string.ok, null);
builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// 隐藏软键盘
hideSoftInput(etName);
}
});
// 创建并显示对话框
final Dialog dialog = builder.setView(view).show();
// 获取对话框中的确定按钮
final Button positive = (Button)dialog.findViewById(android.R.id.button1);
// 为确定按钮设置点击事件
positive.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// 隐藏软键盘
hideSoftInput(etName);
// 获取输入框文本
String name = etName.getText().toString();
// 检查文件夹名称是否可见且不重复
if (DataUtils.checkVisibleFolderName(mContentResolver, name)) {
Toast.makeText(NotesListActivity.this, getString(R.string.folder_exist, name),
Toast.LENGTH_LONG).show();
etName.setSelection(0, etName.length());
return;
}
if (!create) {
// 如果是修改文件夹
if (!TextUtils.isEmpty(name)) {
// 更新文件夹名称
ContentValues values = new ContentValues();
values.put(NoteColumns.SNIPPET, name);
values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
values.put(NoteColumns.LOCAL_MODIFIED, 1);
mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID
+ "=?", new String[] {
String.valueOf(mFocusNoteDataItem.getId())
});
}
} else if (!TextUtils.isEmpty(name)) {
// 如果是创建文件夹
ContentValues values = new ContentValues();
values.put(NoteColumns.SNIPPET, name);
values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
// 插入新文件夹
mContentResolver.insert(Notes.CONTENT_NOTE_URI, values);
}
// 关闭对话框
dialog.dismiss();
}
});
// 如果输入框文本为空,则禁用确定按钮
if (TextUtils.isEmpty(etName.getText())) {
positive.setEnabled(false);
}
// 当输入框文本变化时,启用或禁用确定按钮
etName.addTextChangedListener(new TextWatcher() {
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
// TODO Auto-generated method stub
}
public void onTextChanged(CharSequence s, int start, int before, int count) {
if (TextUtils.isEmpty(etName.getText())) {
positive.setEnabled(false);
} else {
positive.setEnabled(true);
}
}
public void afterTextChanged(Editable s) {
// TODO Auto-generated method stub
}
});
}
@Override
public void onBackPressed() {
// 处理返回按钮事件
switch (mState) {
case SUB_FOLDER:
// 如果当前状态是子文件夹,返回到根文件夹
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mState = ListEditState.NOTE_LIST;
startAsyncNotesListQuery(); // 重新查询笔记列表
mTitleBar.setVisibility(View.GONE); // 隐藏标题栏
break;
case CALL_RECORD_FOLDER:
// 如果当前状态是通话记录文件夹,返回到根文件夹
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mState = ListEditState.NOTE_LIST;
mAddNewNote.setVisibility(View.VISIBLE); // 显示新建笔记按钮
mTitleBar.setVisibility(View.GONE); // 隐藏标题栏
startAsyncNotesListQuery(); // 重新查询笔记列表
break;
case NOTE_LIST:
// 如果当前状态是笔记列表,调用基类的返回方法
super.onBackPressed();
break;
default:
break;
}
}
private void updateWidget(int appWidgetId, int appWidgetType) {
// 更新小部件的方法
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
// 根据小部件类型设置意图的类
// ...
// 发送广播以更新小部件
sendBroadcast(intent);
setResult(RESULT_OK, intent);
}
private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
// 当创建上下文菜单时,为文件夹设置菜单项
if (mFocusNoteDataItem != null) {
menu.setHeaderTitle(mFocusNoteDataItem.getSnippet());
menu.add(0, MENU_FOLDER_VIEW, 0, R.string.menu_folder_view);
menu.add(0, MENU_FOLDER_DELETE, 0, R.string.menu_folder_delete);
menu.add(0, MENU_FOLDER_CHANGE_NAME, 0, R.string.menu_folder_change_name);
}
}
};
@Override
public void onContextMenuClosed(Menu menu) {
// 当上下文菜单关闭时设置列表视图的上下文菜单监听器为null
if (mNotesListView != null) {
mNotesListView.setOnCreateContextMenuListener(null);
}
super.onContextMenuClosed(menu);
}
@Override
public boolean onContextItemSelected(MenuItem item) {
// 处理上下文菜单项选择事件
if (mFocusNoteDataItem == null) {
Log.e(TAG, "The long click data item is null");
return false;
}
// 根据菜单项ID执行不同的操作
switch (item.getItemId()) {
case MENU_FOLDER_VIEW:
// 查看文件夹
openFolder(mFocusNoteDataItem);
break;
case MENU_FOLDER_DELETE:
// 删除文件夹
AlertDialog.Builder builder = new AlertDialog.Builder(this);
// 构建删除确认对话框
// ...
break;
case MENU_FOLDER_CHANGE_NAME:
// 修改文件夹名称
showCreateOrModifyFolderDialog(false);
break;
default:
break;
}
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
// 准备菜单项的方法
menu.clear(); // 清空菜单
// 根据当前状态加载不同的菜单资源
// ...
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// 处理菜单项选择事件
switch (item.getItemId()) {
case R.id.menu_new_folder: {
// 创建新文件夹
showCreateOrModifyFolderDialog(true);
break;
}
case R.id.menu_export_text: {
// 导出笔记到文本文件
exportNoteToText();
break;
}
case R.id.menu_sync: {
// 处理同步功能
if (isSyncMode()) {
// 如果处于同步模式,根据菜单项标题启动或取消同步
if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) {
GTaskSyncService.startSync(this);
} else {
GTaskSyncService.cancelSync(this);
}
} else {
// 如果不在同步模式,启动偏好设置活动
startPreferenceActivity();
}
break;
}
case R.id.menu_setting: {
// 启动偏好设置活动
startPreferenceActivity();
break;
}
case R.id.menu_new_note: {
// 创建新笔记
createNewNote();
break;
}
case R.id.menu_search:
// 处理搜索请求
onSearchRequested();
break;
default:
break;
}
return true;
}
@Override
public boolean onSearchRequested() {
// 启动搜索功能
startSearch(null, false, null /* appData */, false);
return true;
}
private void exportNoteToText() {
// 导出笔记到文本文件的方法
final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
// 使用AsyncTask在后台执行导出操作
new AsyncTask<Void, Void, Integer>() {
@Override
protected Integer doInBackground(Void... unused) {
return backup.exportToText();
}
@Override
protected void onPostExecute(Integer result) {
// 根据导出结果弹出不同提示的对话框
if (result == BackupUtils.STATE_SD_CARD_UNMOUONTED) {
// SD卡未挂载
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
// ...
} else if (result == BackupUtils.STATE_SUCCESS) {
// 导出成功
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
// ...
} else if (result == BackupUtils.STATE_SYSTEM_ERROR) {
// 系统错误
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
// ...
}
}
}.execute();
}
private boolean isSyncMode() {
// 检查是否处于同步模式的方法
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
}
private void startPreferenceActivity() {
// 启动偏好设置活动的方法
Activity from = getParent() != null ? getParent() : this;
Intent intent = new Intent(from, NotesPreferenceActivity.class);
from.startActivityIfNeeded(intent, -1);
}
private class OnListItemClickListener implements OnItemClickListener {
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
// 处理列表项点击事件
if (view instanceof NotesListItem) {
NoteItemData item = ((NotesListItem) view).getItemData();
// 如果适配器处于选择模式
if (mNotesListAdapter.isInChoiceMode()) {
if (item.getType() == Notes.TYPE_NOTE) {
// 计算位置(减去头部视图数量)
position = position - mNotesListView.getHeaderViewsCount();
// 切换选择状态
mModeCallBack.onItemCheckedStateChanged(null, position, id,
!mNotesListAdapter.isSelectedItem(position));
}
return;
}
// 根据当前状态处理点击事件
switch (mState) {
case NOTE_LIST:
if (item.getType() == Notes.TYPE_FOLDER
|| item.getType() == Notes.TYPE_SYSTEM) {
// 如果点击的是文件夹或系统类型,打开文件夹
openFolder(item);
} else if (item.getType() == Notes.TYPE_NOTE) {
// 如果点击的是笔记,打开笔记
openNode(item);
} else {
Log.e(TAG, "错误的笔记类型在NOTE_LIST中");
}
break;
case SUB_FOLDER:
case CALL_RECORD_FOLDER:
if (item.getType() == Notes.TYPE_NOTE) {
// 如果点击的是笔记,打开笔记
openNode(item);
} else {
Log.e(TAG, "错误的笔记类型在SUB_FOLDER中");
}
break;
default:
break;
}
}
}
}
private void startQueryDestinationFolders() {
// 启动查询目的地文件夹的方法
String selection = NoteColumns.TYPE + "=? AND "
+ NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
// 根据当前状态设置查询条件
selection = (mState == ListEditState.NOTE_LIST) ? selection :
"(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")";
// 执行查询操作
mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN,
null,
Notes.CONTENT_NOTE_URI,
FoldersListAdapter.PROJECTION,
selection,
new String[] {
String.valueOf(Notes.TYPE_FOLDER),
String.valueOf(Notes.ID_TRASH_FOLER),
String.valueOf(mCurrentFolderId)
},
NoteColumns.MODIFIED_DATE + " DESC");
}
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
// 处理列表项长按事件
if (view instanceof NotesListItem) {
mFocusNoteDataItem = ((NotesListItem) view).getItemData();
// 如果长按的是笔记并且适配器不在选择模式
if (mFocusNoteDataItem.getType() == Notes.TYPE_NOTE && !mNotesListAdapter.isInChoiceMode()) {
// 启动动作模式
if (mNotesListView.startActionMode(mModeCallBack) != null) {
// 更新选择状态
mModeCallBack.onItemCheckedStateChanged(null, position, id, true);
// 执行长按反馈
mNotesListView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
} else {
Log.e(TAG, "startActionMode失败");
}
} else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) {
// 如果长按的是文件夹,设置上下文菜单监听器
mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener);
}
}
return false;
}

@ -0,0 +1,199 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import android.content.Context;
import android.database.Cursor;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CursorAdapter;
import net.micode.notes.data.Notes;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
public class NotesListAdapter extends CursorAdapter {
private static final String TAG = "NotesListAdapter"; // 类的日志标签
private Context mContext; // 上下文对象
private HashMap<Integer, Boolean> mSelectedIndex; // 存储每个位置的选择状态
private int mNotesCount; // 笔记计数
private boolean mChoiceMode; // 是否处于选择模式
// AppWidgetAttribute 静态内部类,用于存储小部件属性
public static class AppWidgetAttribute {
public int widgetId; // 小部件ID
public int widgetType; // 小部件类型
};
public NotesListAdapter(Context context) {
super(context, null); // 调用基类的构造方法
mSelectedIndex = new HashMap<Integer, Boolean>(); // 初始化选择状态映射
mContext = context; // 初始化上下文
mNotesCount = 0; // 初始化笔记计数
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new NotesListItem(context); // 创建新的列表项视图
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
// 绑定数据到列表项视图
if (view instanceof NotesListItem) {
NoteItemData itemData = new NoteItemData(context, cursor);
((NotesListItem) view).bind(context, itemData, mChoiceMode, isSelectedItem(cursor.getPosition()));
}
}
// 设置指定位置项的选择状态
public void setCheckedItem(final int position, final boolean checked) {
mSelectedIndex.put(position, checked); // 更新选择状态
notifyDataSetChanged(); // 通知数据发生变化
}
// 判断是否处于选择模式
public boolean isInChoiceMode() {
return mChoiceMode;
}
// 设置选择模式
public void setChoiceMode(boolean mode) {
mSelectedIndex.clear(); // 清除选择状态
mChoiceMode = mode; // 设置选择模式标志
}
// 全选或全不选
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);
}
}
}
}
}
// 获取选中项的ID集合
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");
} else {
itemSet.add(id);
}
}
}
return itemSet;
}
// 获取选中的小部件属性集合
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
*/
} else {
Log.e(TAG, "Invalid cursor");
return null;
}
}
}
return itemSet;
}
// 获取选中项的数量
public int getSelectedCount() {
Collection<Boolean> values = mSelectedIndex.values();
if (null == values) {
return 0;
}
Iterator<Boolean> iter = values.iterator();
int count = 0;
while (iter.hasNext()) {
if (true == iter.next()) {
count++;
}
}
return count;
}
// 判断是否全选
public boolean isAllSelected() {
int checkedCount = getSelectedCount();
return (checkedCount != 0 && checkedCount == mNotesCount);
}
// 判断指定位置项是否被选中
public boolean isSelectedItem(final int position) {
if (null == mSelectedIndex.get(position)) {
return false;
}
return mSelectedIndex.get(position);
}
// 内容变化时的处理
@Override
protected void onContentChanged() {
super.onContentChanged();
calcNotesCount();
}
// 更换游标时的处理
@Override
public void changeCursor(Cursor cursor) {
super.changeCursor(cursor);
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++;
}
} else {
Log.e(TAG, "Invalid cursor");
return;
}
}
}
}
}

@ -0,0 +1,125 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import android.content.Context;
import android.text.format.DateUtils;
import android.view.View;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
public class NotesListItem extends LinearLayout {
private ImageView mAlert; // 用于显示提醒图标的 ImageView
private TextView mTitle; // 显示标题的 TextView
private TextView mTime; // 显示时间的 TextView
private TextView mCallName; // 显示通话者名称的 TextView
private NoteItemData mItemData; // 列表项关联的 NoteItemData 数据
private CheckBox mCheckBox; // 用于选择模式的 CheckBox
public NotesListItem(Context context) {
super(context); // 调用基类的构造方法
inflate(context, R.layout.note_item, this); // 根据布局文件初始化视图
// 初始化组件
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);
}
public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
// 绑定数据到列表项视图
// 如果处于选择模式并且数据类型是笔记,则显示 CheckBox
if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
mCheckBox.setVisibility(View.VISIBLE);
mCheckBox.setChecked(checked);
} else {
mCheckBox.setVisibility(View.GONE);
}
mItemData = data;
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mCallName.setVisibility(View.GONE);
mAlert.setVisibility(View.VISIBLE);
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
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);
} else {
mAlert.setVisibility(View.GONE);
}
} else {
mCallName.setVisibility(View.GONE);
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
if (data.getType() == Notes.TYPE_FOLDER) {
mTitle.setText(data.getSnippet()
+ context.getString(R.string.format_folder_files_count,
data.getNotesCount()));
mAlert.setVisibility(View.GONE);
} else {
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);
mAlert.setVisibility(View.VISIBLE);
} else {
mAlert.setVisibility(View.GONE);
}
}
}
mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
setBackground(data);
}
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));
} else {
setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
}
} else {
setBackgroundResource(NoteItemBgResources.getFolderBgRes());
}
}
public NoteItemData getItemData() {
return mItemData; // 返回列表项关联的数据
}
}

@ -0,0 +1,268 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.app.ActionBar;
import android.app.AlertDialog;
import android.content.BroadcastReceiver;
import android.content.ContentValues;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceClickListener;
import android.preference.PreferenceActivity;
import android.preference.PreferenceCategory;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.remote.GTaskSyncService;
private void loadSyncButton() {
// 获取同步按钮和最后同步时间文本视图
Button syncButton = (Button) findViewById(R.id.preference_sync_button);
TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
// 设置按钮状态
if (GTaskSyncService.isSyncing()) {
// 如果正在同步,设置按钮文本为"取消同步"并设置点击事件
syncButton.setText(getString(R.string.preferences_button_sync_cancel));
syncButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
GTaskSyncService.cancelSync(NotesPreferenceActivity.this);
}
});
} else {
// 如果未在同步,设置按钮文本为"立即同步"并设置点击事件
syncButton.setText(getString(R.string.preferences_button_sync_immediately));
syncButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
GTaskSyncService.startSync(NotesPreferenceActivity.this);
}
});
}
syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this))); // 启用按钮
// 设置最后同步时间
if (GTaskSyncService.isSyncing()) {
// 如果正在同步,显示进度字符串
lastSyncTimeView.setText(GTaskSyncService.getProgressString());
lastSyncTimeView.setVisibility(View.VISIBLE);
} else {
// 如果未在同步,显示最后同步时间
long lastSyncTime = getLastSyncTime(this);
if (lastSyncTime != 0) {
lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time,
DateFormat.format(getString(R.string.preferences_last_sync_time_format),
lastSyncTime)));
lastSyncTimeView.setVisibility(View.VISIBLE);
} else {
lastSyncTimeView.setVisibility(View.GONE);
}
}
}
private void refreshUI() {
// 刷新UI的方法
loadAccountPreference(); // 加载账户偏好
loadSyncButton(); // 加载同步按钮
}
private void showSelectAccountAlertDialog() {
// 显示选择账户的对话框
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
// 省略了对话框标题和内容的设置代码...
// 获取可用的Google账户
Account[] accounts = getGoogleAccounts();
String defAccount = getSyncAccountName(this);
mOriAccounts = accounts; // 保存原始账户数组
mHasAddedAccount = false; // 标记是否已添加账户
if (accounts.length > 0) {
// 设置单选项目和点击事件
dialogBuilder.setSingleChoiceItems(/* ... */);
}
// 为对话框添加"添加账户"的视图和点击事件
View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);
dialogBuilder.setView(addAccountView);
final AlertDialog dialog = dialogBuilder.show();
addAccountView.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// 添加账户的逻辑
mHasAddedAccount = true;
Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
intent.putExtra(AUTHORITIES_FILTER_KEY, new String[]{"gmail-ls"});
startActivityForResult(intent, -1);
dialog.dismiss();
}
});
}
private void showChangeAccountConfirmAlertDialog() {
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_change_account_title,
getSyncAccountName(this)));
TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
dialogBuilder.setCustomTitle(titleView);
CharSequence[] menuItemArray = new CharSequence[] {
getString(R.string.preferences_menu_change_account),
getString(R.string.preferences_menu_remove_account),
getString(R.string.preferences_menu_cancel)
};
dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
if (which == 0) {
showSelectAccountAlertDialog();
} else if (which == 1) {
removeSyncAccount();
refreshUI();
}
}
});
dialogBuilder.show();
}
private Account[] getGoogleAccounts() {
AccountManager accountManager = AccountManager.get(this);
return accountManager.getAccountsByType("com.google");
}
private void setSyncAccount(String account) {
if (!getSyncAccountName(this).equals(account)) {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
if (account != null) {
editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account);
} else {
editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
}
editor.commit();
// clean up last sync time
setLastSyncTime(this, 0);
// clean up local gtask related info
new Thread(new Runnable() {
public void run() {
ContentValues values = new ContentValues();
values.put(NoteColumns.GTASK_ID, "");
values.put(NoteColumns.SYNC_ID, 0);
getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
}
}).start();
Toast.makeText(NotesPreferenceActivity.this,
getString(R.string.preferences_toast_success_set_accout, account),
Toast.LENGTH_SHORT).show();
}
}
private void removeSyncAccount() {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME);
}
if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) {
editor.remove(PREFERENCE_LAST_SYNC_TIME);
}
editor.commit();
// clean up local gtask related info
new Thread(new Runnable() {
public void run() {
ContentValues values = new ContentValues();
values.put(NoteColumns.GTASK_ID, "");
values.put(NoteColumns.SYNC_ID, 0);
getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
}
}).start();
}
public static String getSyncAccountName(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
}
public static void setLastSyncTime(Context context, long time) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
editor.putLong(PREFERENCE_LAST_SYNC_TIME, time);
editor.commit();
}
public static long getLastSyncTime(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
}
private class GTaskReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
refreshUI();
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));
}
}
}
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
Intent intent = new Intent(this, NotesListActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
return true;
default:
return false;
}
}
}

@ -0,0 +1,98 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.widget;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.util.Log;
import android.widget.RemoteViews;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.tool.ResourceParser;
import net.micode.notes.ui.NoteEditActivity;
import net.micode.notes.ui.NotesListActivity;
public abstract class NoteWidgetProvider extends AppWidgetProvider {
// 定义查询数据库时使用的字段
public static final String[] PROJECTION = new String[]{
NoteColumns.ID,
NoteColumns.BG_COLOR_ID,
NoteColumns.SNIPPET
};
// 定义字段在PROJECTION数组中的索引
public static final int COLUMN_ID = 0;
public static final int COLUMN_BG_COLOR_ID = 1;
public static final int COLUMN_SNIPPET = 2;
private static final String TAG = "NoteWidgetProvider"; // 类的日志标签
@Override
public void onDeleted(Context context, int[] appWidgetIds) {
// 当小部件被删除时更新数据库中笔记的WIDGET_ID为无效
ContentValues values = new ContentValues();
values.put(NoteColumns.WIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
for (int i = 0; i < appWidgetIds.length; i++) {
context.getContentResolver().update(Notes.CONTENT_NOTE_URI,
values,
NoteColumns.WIDGET_ID + "=?",
new String[]{String.valueOf(appWidgetIds[i])});
}
}
private Cursor getNoteWidgetInfo(Context context, int widgetId) {
// 获取小部件的笔记信息
return context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
PROJECTION,
NoteColumns.WIDGET_ID + "=? AND " + NoteColumns.PARENT_ID + "<>?",
new String[]{String.valueOf(widgetId), String.valueOf(Notes.ID_TRASH_FOLER)},
null);
}
protected void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
// 更新小部件视图的公共方法
update(context, appWidgetManager, appWidgetIds, false);
}
private void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds,
boolean privacyMode) {
// 更新小部件视图的私有方法,考虑隐私模式
for (int i = 0; i < appWidgetIds.length; i++) {
// ...(省略了更新单个小部件的代码)
// 创建RemoteViews对象设置小部件的布局和内容
// 创建PendingIntent用于点击小部件时的操作
// 更新AppWidgetManager中对应小部件的视图
}
}
// 抽象方法子类需要实现具体的布局ID
protected abstract int getLayoutId();
// 抽象方法子类需要实现获取背景资源ID的方法
protected abstract int getBgResourceId(int bgId);
// 抽象方法,子类需要实现获取小部件类型的方法
protected abstract int getWidgetType();
}
}

@ -0,0 +1,55 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.widget;
import android.appwidget.AppWidgetManager;
import android.content.Context;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.ResourceParser;
public class NoteWidgetProvider_2x extends NoteWidgetProvider {
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
// 当小部件需要更新时调用
// 调用基类的update方法来执行更新逻辑
super.update(context, appWidgetManager, appWidgetIds);
}
@Override
protected int getLayoutId() {
// 返回2x小部件的布局资源ID
// 该布局定义了小部件的界面结构
return R.layout.widget_2x;
}
@Override
protected int getBgResourceId(int bgId) {
// 根据传入的背景ID获取2x小部件的背景资源ID
// 使用ResourceParser.WidgetBgResources中的相应方法来解析背景资源
return ResourceParser.WidgetBgResources.getWidget2xBgResource(bgId);
}
@Override
protected int getWidgetType() {
// 返回2x小部件的类型标识
// 该标识用于区分不同类型的小部件
return Notes.TYPE_WIDGET_2X;
}
}

@ -0,0 +1,52 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.widget;
import android.appwidget.AppWidgetManager;
import android.content.Context;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.ResourceParser;
public class NoteWidgetProvider_4x extends NoteWidgetProvider {
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
// 当小部件需要更新时调用基类的update方法来执行更新逻辑
super.update(context, appWidgetManager, appWidgetIds);
}
// getLayoutId方法被标记为protected这可能是一个错误因为它应该被重写为public
// 并且被子类覆盖以便返回4x小部件的布局资源ID
protected int getLayoutId() {
return R.layout.widget_4x; // 返回4x小部件的布局文件资源ID
}
@Override
protected int getBgResourceId(int bgId) {
// 根据传入的背景ID返回4x小部件的背景资源ID
// 使用ResourceParser.WidgetBgResources中的相应方法来解析背景资源
return ResourceParser.WidgetBgResources.getWidget4xBgResource(bgId);
}
@Override
protected int getWidgetType() {
// 返回4x小部件的类型标识用于区分不同类型的小部件
return Notes.TYPE_WIDGET_4X;
}
}
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