();
+ }
+
+ // 缓存命中:直接返回缓存中的联系人名称,避免数据库查询
+ if(sContactCache.containsKey(phoneNumber)) {
+ return sContactCache.get(phoneNumber);
+ }
+
+ // 替换筛选条件模板中的"+"占位符为电话号码的最小匹配值(系统工具类处理,提升号码匹配准确性)
+ String selection = CALLER_ID_SELECTION.replace("+",
+ PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));
+ // 调用ContentResolver查询联系人数据库
+ // 参数说明:
+ // 1. Data.CONTENT_URI:安卓联系人数据的总URI
+ // 2. 投影数组:仅查询Phone.DISPLAY_NAME列(联系人名称),减少数据传输
+ // 3. selection:处理后的筛选条件
+ // 4. selectionArgs:传入电话号码作为查询参数(防止SQL注入)
+ // 5. sortOrder:排序规则(null表示无需排序)
+ Cursor cursor = context.getContentResolver().query(
+ Data.CONTENT_URI,
+ new String [] { Phone.DISPLAY_NAME },
+ selection,
+ new String[] { phoneNumber },
+ null);
+
+ // 游标非空且包含数据时,处理查询结果
+ if (cursor != null && cursor.moveToFirst()) {
+ try {
+ // 获取联系人名称(索引0对应投影数组中的Phone.DISPLAY_NAME)
+ String name = cursor.getString(0);
+ // 将电话号码和名称存入缓存,供后续调用使用
+ sContactCache.put(phoneNumber, name);
+ // 返回查询到的联系人名称
+ return name;
+ } catch (IndexOutOfBoundsException e) {
+ // 捕获索引越界异常(如游标数据异常时),输出错误日志
+ Log.e(TAG, " Cursor get string error " + e.toString());
+ return null;
+ } finally {
+ // 最终关闭游标,释放数据库资源(必须执行,避免资源泄漏)
+ cursor.close();
+ }
+ } else {
+ // 游标为空或无数据时,输出调试日志,返回null
+ Log.d(TAG, "No contact matched with number:" + phoneNumber);
+ return null;
+ }
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/data/Notes.java b/java/net/micode/notes/data/Notes.java
new file mode 100644
index 0000000..fa5943b
--- /dev/null
+++ b/java/net/micode/notes/data/Notes.java
@@ -0,0 +1,393 @@
+/*
+ * 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;
+
+/**
+ * 笔记应用的核心数据常量类
+ * 该类集中定义了笔记应用的所有核心常量:包括ContentProvider的授权名、数据URI、笔记/文件夹类型、系统文件夹ID、
+ * Intent传递的参数键、Widget类型、数据表列名、文本笔记/通话笔记的专属常量等
+ * 是整个应用数据交互(ContentProvider、Intent传参、数据库操作)的核心常量定义类,采用静态常量和内部类/接口的方式组织,提高代码可读性和维护性
+ *
+ * @author MiCode Open Source Community
+ * @date 2010-2011
+ */
+public class Notes {
+ /**
+ * ContentProvider的授权名(Authority),是ContentProvider的唯一标识
+ * 用于ContentResolver访问应用的NotesProvider(content://micode_notes/...)
+ */
+ public static final String AUTHORITY = "micode_notes";
+
+ /**
+ * 日志标签,用于Logcat输出时标识当前类,方便调试定位问题
+ */
+ public static final String TAG = "Notes";
+
+ /**
+ * 数据类型常量:普通笔记类型
+ */
+ public static final int TYPE_NOTE = 0;
+
+ /**
+ * 数据类型常量:文件夹类型
+ */
+ public static final int TYPE_FOLDER = 1;
+
+ /**
+ * 数据类型常量:系统类型(系统文件夹/系统笔记)
+ */
+ public static final int TYPE_SYSTEM = 2;
+
+ /**
+ * 以下是系统文件夹的唯一标识ID,用于区分不同的系统预设文件夹
+ * {@link Notes#ID_ROOT_FOLDER }:根文件夹(默认文件夹)
+ * {@link Notes#ID_TEMPARAY_FOLDER }:临时文件夹(存放无归属的笔记)
+ * {@link Notes#ID_CALL_RECORD_FOLDER}:通话记录文件夹(专门存储通话记录笔记)
+ */
+ // 根文件夹ID(默认文件夹,所有无指定文件夹的笔记默认归属此文件夹)
+ public static final int ID_ROOT_FOLDER = 0;
+ // 临时文件夹ID(存放临时、无归属的笔记)
+ public static final int ID_TEMPARAY_FOLDER = -1;
+ // 通话记录文件夹ID(专门存储通话记录类型的笔记)
+ public static final int ID_CALL_RECORD_FOLDER = -2;
+ // 回收站文件夹ID(已废弃,用于兼容旧代码)
+ public static final int ID_TRASH_FOLER = -3;
+
+ /**
+ * Intent传递参数的键常量:笔记的提醒日期(alert_date)
+ */
+ public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date";
+ /**
+ * Intent传递参数的键常量:笔记的背景颜色ID(background_color_id)
+ */
+ public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id";
+ /**
+ * Intent传递参数的键常量:Widget的ID(widget_id)
+ */
+ public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id";
+ /**
+ * Intent传递参数的键常量:Widget的类型(widget_type)
+ */
+ public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type";
+ /**
+ * Intent传递参数的键常量:文件夹的ID(folder_id)
+ */
+ public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id";
+ /**
+ * Intent传递参数的键常量:通话记录的日期(call_date)
+ */
+ public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date";
+
+ /**
+ * Widget类型常量:无效的Widget类型
+ */
+ public static final int TYPE_WIDGET_INVALIDE = -1;
+ /**
+ * Widget类型常量:2x2尺寸的笔记Widget
+ */
+ public static final int TYPE_WIDGET_2X = 0;
+ /**
+ * Widget类型常量:4x4尺寸的笔记Widget
+ */
+ public static final int TYPE_WIDGET_4X = 1;
+
+ /**
+ * 数据类型常量内部类:封装文本笔记和通话笔记的MIME类型常量
+ * 用于区分不同类型的笔记数据(ContentProvider的MIME类型标识)
+ */
+ public static class DataConstants {
+ // 文本笔记的MIME类型(对应TextNote的CONTENT_ITEM_TYPE)
+ public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;
+ // 通话笔记的MIME类型(对应CallNote的CONTENT_ITEM_TYPE)
+ public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;
+ }
+
+ /**
+ * ContentProvider的URI常量:用于查询所有笔记和文件夹的URI
+ * 格式:content://micode_notes/note
+ */
+ public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
+
+ /**
+ * ContentProvider的URI常量:用于查询笔记明细数据的URI
+ * 格式:content://micode_notes/data
+ */
+ public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
+
+ /**
+ * 笔记/文件夹表的列名接口
+ * 定义了note表中所有列的名称、数据类型和业务含义,是数据库操作和ContentProvider查询的核心列名规范
+ */
+ public interface NoteColumns {
+ /**
+ * 行的唯一ID(主键)
+ * 数据类型: INTEGER (long)
+ */
+ public static final String ID = "_id";
+
+ /**
+ * 笔记/文件夹的父级ID(用于关联文件夹和子笔记/子文件夹)
+ * 数据类型: INTEGER (long)
+ */
+ public static final String PARENT_ID = "parent_id";
+
+ /**
+ * 笔记/文件夹的创建时间
+ * 数据类型: INTEGER (long)(时间戳,毫秒)
+ */
+ public static final String CREATED_DATE = "created_date";
+
+ /**
+ * 笔记/文件夹的最后修改时间
+ * 数据类型: INTEGER (long)(时间戳,毫秒)
+ */
+ public static final String MODIFIED_DATE = "modified_date";
+
+ /**
+ * 笔记的提醒时间(文件夹无此属性)
+ * 数据类型: INTEGER (long)(时间戳,毫秒)
+ */
+ public static final String ALERTED_DATE = "alert_date";
+
+ /**
+ * 文件夹的名称 / 笔记的文本摘要(预览内容)
+ * 数据类型: TEXT
+ */
+ public static final String SNIPPET = "snippet";
+
+ /**
+ * 笔记关联的Widget ID(若笔记被添加到桌面Widget,存储对应的Widget ID)
+ * 数据类型: INTEGER (long)
+ */
+ public static final String WIDGET_ID = "widget_id";
+
+ /**
+ * 笔记关联的Widget类型(2x2/4x4,对应TYPE_WIDGET_2X/TYPE_WIDGET_4X)
+ * 数据类型: INTEGER (long)
+ */
+ public static final String WIDGET_TYPE = "widget_type";
+
+ /**
+ * 笔记的背景颜色ID(对应预设的背景颜色资源ID)
+ * 数据类型: INTEGER (long)
+ */
+ public static final String BG_COLOR_ID = "bg_color_id";
+
+ /**
+ * 笔记是否有附件(文本笔记无附件,多媒体笔记有附件)
+ * 数据类型: INTEGER(1:有附件,0:无附件)
+ */
+ public static final String HAS_ATTACHMENT = "has_attachment";
+
+ /**
+ * 文件夹下的笔记数量(用于文件夹的数量统计)
+ * 数据类型: INTEGER (long)
+ */
+ public static final String NOTES_COUNT = "notes_count";
+
+ /**
+ * 数据类型(区分笔记/文件夹/系统类型,对应TYPE_NOTE/TYPE_FOLDER/TYPE_SYSTEM)
+ * 数据类型: INTEGER
+ */
+ public static final String TYPE = "type";
+
+ /**
+ * 笔记是否置顶(0:不置顶,1:置顶)
+ * 数据类型: INTEGER
+ */
+ public static final String PINNED = "pinned";
+
+ /**
+ * 最后一次同步的ID(用于GTask同步,标记同步状态)
+ * 数据类型: INTEGER (long)
+ */
+ public static final String SYNC_ID = "sync_id";
+
+ /**
+ * 本地修改标记(标记数据是否在本地被修改,需要同步到远程/GTask)
+ * 数据类型: INTEGER(1:已修改,0:未修改)
+ */
+ public static final String LOCAL_MODIFIED = "local_modified";
+
+
+
+ /**
+ * 移动到临时文件夹前的原始父级ID(用于恢复笔记的原始归属文件夹)
+ * 数据类型: INTEGER (long)
+ */
+ public static final String ORIGIN_PARENT_ID = "origin_parent_id";
+
+ /**
+ * GTask的ID(用于笔记与谷歌任务的同步关联)
+ * 数据类型: TEXT
+ */
+ public static final String GTASK_ID = "gtask_id";
+
+ /**
+ * 版本号(用于数据同步时的版本控制,避免数据冲突)
+ * 数据类型: INTEGER (long)
+ */
+ public static final String VERSION = "version";
+ }
+
+ /**
+ * 笔记明细数据表的列名接口
+ * 定义了data表中所有列的名称、数据类型和业务含义,data表存储笔记的具体内容(文本、通话记录等)
+ */
+ public interface DataColumns {
+ /**
+ * 行的唯一ID(主键)
+ * 数据类型: INTEGER (long)
+ */
+ public static final String ID = "_id";
+
+ /**
+ * 数据的MIME类型(区分文本笔记/通话笔记,对应TextNote/CALLNote的CONTENT_ITEM_TYPE)
+ * 数据类型: Text
+ */
+ public static final String MIME_TYPE = "mime_type";
+
+ /**
+ * 关联的笔记ID(指向note表的_id,建立data表与note表的关联)
+ * 数据类型: INTEGER (long)
+ */
+ public static final String NOTE_ID = "note_id";
+
+ /**
+ * 数据的创建时间
+ * 数据类型: INTEGER (long)(时间戳,毫秒)
+ */
+ public static final String CREATED_DATE = "created_date";
+
+ /**
+ * 数据的最后修改时间
+ * 数据类型: INTEGER (long)(时间戳,毫秒)
+ */
+ public static final String MODIFIED_DATE = "modified_date";
+
+ /**
+ * 数据的内容(文本笔记的文本内容、通话笔记的附件位置等)
+ * 数据类型: TEXT
+ */
+ public static final String CONTENT = "content";
+
+ /**
+ * 通用数据列1(含义由MIME_TYPE决定,用于整型数据)
+ * 数据类型: INTEGER
+ */
+ public static final String DATA1 = "data1";
+
+ /**
+ * 通用数据列2(含义由MIME_TYPE决定,用于整型数据)
+ * 数据类型: INTEGER
+ */
+ public static final String DATA2 = "data2";
+
+ /**
+ * 通用数据列3(含义由MIME_TYPE决定,用于文本数据)
+ * 数据类型: TEXT
+ */
+ public static final String DATA3 = "data3";
+
+ /**
+ * 通用数据列4(含义由MIME_TYPE决定,用于文本数据)
+ * 数据类型: TEXT
+ */
+ public static final String DATA4 = "data4";
+
+ /**
+ * 通用数据列5(含义由MIME_TYPE决定,用于文本数据)
+ * 数据类型: TEXT
+ */
+ public static final String DATA5 = "data5";
+ }
+
+ /**
+ * 文本笔记的专属常量类,实现DataColumns接口复用列名定义
+ * 定义了文本笔记的模式(普通/复选列表)、MIME类型、ContentProvider URI等专属常量
+ */
+ public static final class TextNote implements DataColumns {
+ /**
+ * 文本笔记的模式(对应DATA1列):标识是否为复选列表模式
+ * 数据类型: Integer(1:复选列表模式,0:普通文本模式)
+ */
+ public static final String MODE = DATA1;
+
+ /**
+ * 文本笔记的模式常量:复选列表模式
+ */
+ public static final int MODE_CHECK_LIST = 1;
+
+ /**
+ * 文本笔记的集合MIME类型(对应ContentProvider的dir类型)
+ * 格式:vnd.android.cursor.dir/text_note
+ */
+ public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";
+
+ /**
+ * 文本笔记的单个项目MIME类型(对应ContentProvider的item类型)
+ * 格式:vnd.android.cursor.item/text_note
+ */
+ public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
+
+ /**
+ * 文本笔记的ContentProvider URI
+ * 格式:content://micode_notes/text_note
+ */
+ public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
+ }
+
+ /**
+ * 通话记录笔记的专属常量类,实现DataColumns接口复用列名定义
+ * 定义了通话笔记的通话日期、电话号码的列映射、MIME类型、ContentProvider URI等专属常量
+ */
+ public static final class CallNote implements DataColumns {
+ /**
+ * 通话记录的日期(对应DATA1列,存储通话时间戳)
+ * 数据类型: INTEGER (long)(时间戳,毫秒)
+ */
+ public static final String CALL_DATE = DATA1;
+
+ /**
+ * 通话记录的电话号码(对应DATA3列,存储电话号码字符串)
+ * 数据类型: TEXT
+ */
+ public static final String PHONE_NUMBER = DATA3;
+
+ /**
+ * 通话笔记的集合MIME类型(对应ContentProvider的dir类型)
+ * 格式:vnd.android.cursor.dir/call_note
+ */
+ public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";
+
+ /**
+ * 通话笔记的单个项目MIME类型(对应ContentProvider的item类型)
+ * 格式:vnd.android.cursor.item/call_note
+ */
+ public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
+
+ /**
+ * 通话笔记的ContentProvider URI
+ * 格式:content://micode_notes/call_note
+ */
+ public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
+ }
+
+
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/data/NotesDatabaseHelper.java b/java/net/micode/notes/data/NotesDatabaseHelper.java
new file mode 100644
index 0000000..743abac
--- /dev/null
+++ b/java/net/micode/notes/data/NotesDatabaseHelper.java
@@ -0,0 +1,509 @@
+/*
+ * 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;
+
+/**
+ * 笔记应用的SQLite数据库帮助类,继承自Android的SQLiteOpenHelper
+ * 核心功能:
+ * 1. 采用单例模式管理数据库实例,避免多实例导致的数据库锁问题;
+ * 2. 创建笔记应用的核心数据表(note表、data表)及索引;
+ * 3. 定义数据库触发器,实现数据联动逻辑(如文件夹笔记数量自动更新、笔记内容同步等);
+ * 4. 初始化系统预设文件夹(根目录、通话记录、临时、回收站);
+ * 5. 处理数据库版本升级,保证数据迁移的兼容性。
+ *
+ * @author MiCode Open Source Community
+ * @date 2010-2011
+ */
+public class NotesDatabaseHelper extends SQLiteOpenHelper {
+ /**
+ * 数据库文件名,存储在应用的私有数据目录下
+ */
+ private static final String DB_NAME = "note.db";
+
+ /**
+ * 数据库版本号,用于版本升级控制(当前为6,增加了标签功能)
+ */
+ private static final int DB_VERSION = 6;
+
+ /**
+ * 数据表名称接口,定义note表、data表、标签表和便签-标签关联表的名称常量
+ */
+ public interface TABLE {
+ // 笔记/文件夹表名称
+ public static final String NOTE = "note";
+ // 笔记明细数据表名称(存储文本、通话记录等具体内容)
+ public static final String DATA = "data";
+ }
+
+ /**
+ * 日志标签,用于Logcat输出时标识当前类,方便调试定位问题
+ */
+ private static final String TAG = "NotesDatabaseHelper";
+
+ /**
+ * 单例实例,全局唯一的NotesDatabaseHelper对象
+ * 采用静态变量存储,避免多次创建数据库帮助类实例
+ */
+ private static NotesDatabaseHelper mInstance;
+
+ // ====================== 数据表创建SQL语句 ======================
+ /**
+ * 创建note表的SQL语句
+ * note表存储笔记和文件夹的基础信息(如ID、父级ID、创建时间、类型等)
+ * 所有列均设置默认值,保证数据完整性;主键为ID(自增整型)
+ */
+ private static final String CREATE_NOTE_TABLE_SQL =
+ "CREATE TABLE " + TABLE.NOTE + "(" +
+ NoteColumns.ID + " INTEGER PRIMARY KEY," + // 主键ID
+ NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + // 父级ID(关联文件夹)
+ NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," + // 提醒时间
+ NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," + // 背景颜色ID
+ // 创建时间:默认值为当前时间戳(秒转毫秒)
+ NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
+ NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," + // 是否有附件
+ // 修改时间:默认值为当前时间戳
+ NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
+ NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," + // 文件夹下的笔记数量
+ NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," + // 文件夹名称/笔记摘要
+ NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," + // 类型(笔记/文件夹/系统)
+ NoteColumns.PINNED + " INTEGER NOT NULL DEFAULT 0," + // 是否置顶(0:不置顶,1:置顶)
+ NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," + // 关联的Widget ID
+ NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," + // 关联的Widget类型
+ NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," + // 同步ID(GTask)
+ NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," + // 本地修改标记
+ NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + // 原始父级ID
+ NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," + // GTask ID
+ NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" + // 版本号
+ ")";
+
+ /**
+ * 创建data表的SQL语句
+ * data表存储笔记的具体内容(文本、通话记录等),与note表通过NOTE_ID关联
+ */
+ private static final String CREATE_DATA_TABLE_SQL =
+ "CREATE TABLE " + TABLE.DATA + "(" +
+ DataColumns.ID + " INTEGER PRIMARY KEY," + // 主键ID
+ DataColumns.MIME_TYPE + " TEXT NOT NULL," + // 数据类型(文本/通话记录)
+ DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," + // 关联的note表ID
+ NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + // 创建时间
+ NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + // 修改时间
+ DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," + // 数据内容
+ DataColumns.DATA1 + " INTEGER," + // 通用整型列1
+ DataColumns.DATA2 + " INTEGER," + // 通用整型列2
+ DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," + // 通用文本列3
+ DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," + // 通用文本列4
+ DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" + // 通用文本列5
+ ")";
+
+ /**
+ * 创建data表的NOTE_ID索引的SQL语句
+ * 索引用于提升根据NOTE_ID查询data表的性能(频繁关联查询场景)
+ */
+ private static final String CREATE_DATA_NOTE_ID_INDEX_SQL =
+ "CREATE INDEX IF NOT EXISTS note_id_index ON " +
+ TABLE.DATA + "(" + DataColumns.NOTE_ID + ");";
+
+
+
+ // ====================== 数据库触发器SQL语句(note表) ======================
+ /**
+ * 触发器:更新笔记的父级ID时,增加新文件夹的笔记数量
+ * 触发时机:note表的PARENT_ID列更新后
+ * 逻辑:将新父级文件夹的NOTES_COUNT加1
+ */
+ 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";
+
+ /**
+ * 触发器:更新笔记的父级ID时,减少旧文件夹的笔记数量
+ * 触发时机:note表的PARENT_ID列更新后
+ * 逻辑:将旧父级文件夹的NOTES_COUNT减1(需保证数量大于0)
+ */
+ 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";
+
+ /**
+ * 触发器:插入新笔记时,增加对应文件夹的笔记数量
+ * 触发时机:note表插入数据后
+ * 逻辑:将新笔记的父级文件夹的NOTES_COUNT加1
+ */
+ private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER =
+ "CREATE TRIGGER increase_folder_count_on_insert " +
+ " AFTER INSERT ON " + TABLE.NOTE +
+ " BEGIN " +
+ " UPDATE " + TABLE.NOTE +
+ " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
+ " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
+ " END";
+
+ /**
+ * 触发器:删除笔记时,减少对应文件夹的笔记数量
+ * 触发时机:note表删除数据后
+ * 逻辑:将被删除笔记的父级文件夹的NOTES_COUNT减1(需保证数量大于0)
+ */
+ 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";
+
+ // ====================== 数据库触发器SQL语句(data表) ======================
+ /**
+ * 触发器:插入文本笔记数据时,同步更新note表的摘要内容
+ * 触发时机:data表插入数据后(且数据类型为文本笔记)
+ * 逻辑:将note表的SNIPPET列设为data表的CONTENT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";
+
+ /**
+ * 触发器:更新文本笔记数据时,同步更新note表的摘要内容
+ * 触发时机:data表更新数据后(且数据类型为文本笔记)
+ */
+ 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";
+
+ /**
+ * 触发器:删除文本笔记数据时,清空note表的摘要内容
+ * 触发时机:data表删除数据后(且数据类型为文本笔记)
+ */
+ 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";
+
+ /**
+ * 触发器:删除笔记时,级联删除对应的data表数据
+ * 触发时机:note表删除数据后
+ * 逻辑:删除data表中NOTE_ID等于被删除笔记ID的所有数据,避免数据冗余
+ */
+ 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";
+
+ /**
+ * 触发器:删除文件夹时,级联删除该文件夹下的所有笔记
+ * 触发时机:note表删除数据后(删除的是文件夹)
+ * 逻辑:删除note表中PARENT_ID等于被删除文件夹ID的所有笔记
+ */
+ 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";
+
+
+
+ /**
+ * 构造方法,调用父类SQLiteOpenHelper的构造方法初始化数据库
+ *
+ * @param context 上下文对象,用于访问应用的资源和私有目录
+ */
+ public NotesDatabaseHelper(Context context) {
+ super(context, DB_NAME, null, DB_VERSION);
+ }
+
+ /**
+ * 创建note表,并初始化相关触发器和系统文件夹
+ *
+ * @param db SQLiteDatabase对象,用于执行SQL语句
+ */
+ public void createNoteTable(SQLiteDatabase db) {
+ // 执行创建note表的SQL
+ db.execSQL(CREATE_NOTE_TABLE_SQL);
+ // 重新创建note表的触发器
+ reCreateNoteTableTriggers(db);
+ // 初始化系统文件夹
+ createSystemFolder(db);
+ Log.d(TAG, "note table has been created");
+ }
+
+ /**
+ * 重新创建note表的所有触发器(先删除旧触发器,再创建新触发器)
+ * 用于数据库升级或触发器重建场景,避免触发器重复创建
+ *
+ * @param db SQLiteDatabase对象
+ */
+ private void reCreateNoteTableTriggers(SQLiteDatabase db) {
+ // 删除旧触发器(如果存在)
+ 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");
+
+ // 创建新触发器
+ 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);
+ }
+
+ /**
+ * 初始化系统预设文件夹(通话记录、根目录、临时、回收站)
+ * 向note表插入系统文件夹数据,类型为TYPE_SYSTEM
+ *
+ * @param db SQLiteDatabase对象
+ */
+ private void createSystemFolder(SQLiteDatabase db) {
+ ContentValues values = new ContentValues();
+
+ /**
+ * 1. 通话记录文件夹:存储通话记录笔记
+ */
+ values.put(NoteColumns.ID, Notes.ID_CALL_RECORD_FOLDER); // 设置固定ID
+ values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); // 类型为系统文件夹
+ db.insert(TABLE.NOTE, null, values);
+
+ /**
+ * 2. 根文件夹:默认文件夹,存储无归属的笔记
+ */
+ values.clear(); // 清空ContentValues
+ values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER);
+ values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
+ db.insert(TABLE.NOTE, null, values);
+
+ /**
+ * 3. 临时文件夹:用于移动笔记时的临时存储
+ */
+ 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data表,初始化相关触发器和索引
+ *
+ * @param db SQLiteDatabase对象
+ */
+ public void createDataTable(SQLiteDatabase db) {
+ // 执行创建data表的SQL
+ db.execSQL(CREATE_DATA_TABLE_SQL);
+ // 重新创建data表的触发器
+ reCreateDataTableTriggers(db);
+ // 创建note_id索引,提升查询性能
+ db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL);
+ Log.d(TAG, "data table has been created");
+ }
+
+
+
+ /**
+ * 重新创建data表的所有触发器(先删除旧触发器,再创建新触发器)
+ *
+ * @param db SQLiteDatabase对象
+ */
+ private void reCreateDataTableTriggers(SQLiteDatabase db) {
+ // 删除旧触发器
+ 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);
+ }
+
+ /**
+ * 获取NotesDatabaseHelper的单例实例(线程安全)
+ * 采用synchronized关键字保证多线程环境下实例的唯一性,避免数据库锁问题
+ *
+ * @param context 上下文对象(建议使用Application Context,避免内存泄漏)
+ * @return 全局唯一的NotesDatabaseHelper实例
+ */
+ static synchronized NotesDatabaseHelper getInstance(Context context) {
+ // 懒汉式加载:实例为null时才创建
+ if (mInstance == null) {
+ mInstance = new NotesDatabaseHelper(context);
+ }
+ return mInstance;
+ }
+
+ /**
+ * 数据库首次创建时调用的方法
+ * 执行note表和data表的创建逻辑
+ *
+ * @param db SQLiteDatabase对象
+ */
+ @Override
+ public void onCreate(SQLiteDatabase db) {
+ createNoteTable(db);
+ createDataTable(db);
+ }
+
+ /**
+ * 数据库版本升级时调用的方法
+ * 处理从旧版本(1/2/3)升级到新版本(4)的逻辑,包括表结构修改、数据迁移、触发器重建等
+ *
+ * @param db SQLiteDatabase对象
+ * @param oldVersion 旧数据库版本号
+ * @param newVersion 新数据库版本号
+ */
+ @Override
+ public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+ // 是否需要重建触发器的标记
+ boolean reCreateTriggers = false;
+ // 是否跳过版本2升级的标记(版本1升级包含版本2的逻辑)
+ boolean skipV2 = false;
+
+ // 从版本1升级到版本2
+ if (oldVersion == 1) {
+ upgradeToV2(db);
+ skipV2 = true; // 版本1的升级已包含版本2到3的逻辑
+ oldVersion++;
+ }
+
+ // 从版本2升级到版本3(未跳过的情况)
+ if (oldVersion == 2 && !skipV2) {
+ upgradeToV3(db);
+ reCreateTriggers = true; // 需要重建触发器
+ oldVersion++;
+ }
+
+ // 从版本3升级到版本4
+ if (oldVersion == 3) {
+ upgradeToV4(db);
+ oldVersion++;
+ }
+
+ // 从版本4升级到版本5
+ if (oldVersion == 4) {
+ // 为note表添加pinned字段(用于置顶功能)
+ db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.PINNED
+ + " INTEGER NOT NULL DEFAULT 0");
+ oldVersion++;
+ }
+
+
+
+ // 如果需要,重建触发器
+ if (reCreateTriggers) {
+ reCreateNoteTableTriggers(db);
+ reCreateDataTableTriggers(db);
+ }
+
+ // 升级失败时抛出异常,提示版本升级错误
+ if (oldVersion != newVersion) {
+ throw new IllegalStateException("Upgrade notes database to version " + newVersion
+ + "fails");
+ }
+ }
+
+
+
+ /**
+ * 从版本1升级到版本2的逻辑
+ * 删除旧表,重新创建新表(全量重建,会丢失数据,适用于早期版本)
+ *
+ * @param db SQLiteDatabase对象
+ */
+ private void upgradeToV2(SQLiteDatabase db) {
+ // 删除旧的note表和data表
+ db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE);
+ db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA);
+ // 重新创建表和初始化数据
+ createNoteTable(db);
+ createDataTable(db);
+ }
+
+ /**
+ * 从版本2升级到版本3的逻辑
+ * 1. 删除无用的触发器;
+ * 2. 为note表添加GTASK_ID列。
+ *
+ * @param db SQLiteDatabase对象
+ */
+ private void upgradeToV3(SQLiteDatabase db) {
+ // 删除无用的触发器(更新笔记修改时间的触发器)
+ 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note表添加GTASK_ID列(用于GTask同步)
+ db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.GTASK_ID
+ + " TEXT NOT NULL DEFAULT ''");
+ }
+
+ /**
+ * 从版本3升级到版本4的逻辑
+ * 为note表添加VERSION列(用于数据同步的版本控制)
+ *
+ * @param db SQLiteDatabase对象
+ */
+ private void upgradeToV4(SQLiteDatabase db) {
+ db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION
+ + " INTEGER NOT NULL DEFAULT 0");
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/data/NotesProvider.java b/java/net/micode/notes/data/NotesProvider.java
new file mode 100644
index 0000000..392cae6
--- /dev/null
+++ b/java/net/micode/notes/data/NotesProvider.java
@@ -0,0 +1,571 @@
+/*
+ * 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.tool.SearchHistoryManager;
+import net.micode.notes.data.Notes.DataColumns;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.data.NotesDatabaseHelper.TABLE;
+
+/**
+ * 笔记应用的ContentProvider实现类,继承自Android的ContentProvider
+ * 核心功能:
+ * 1. 作为应用数据的对外统一访问接口,封装SQLite数据库的CRUD(增删改查)操作;
+ * 2. 通过UriMatcher匹配不同的Uri,处理note表、data表的单条/多条数据操作;
+ * 3. 支持安卓系统的搜索框架,提供笔记搜索和搜索建议功能;
+ * 4. 数据变更时发送通知(notifyChange),让UI组件同步更新数据;
+ * 5. 更新笔记时自动增加版本号,用于数据同步的版本控制。
+ *
+ * ContentProvider是安卓四大组件之一,用于跨应用/进程的数据共享,本类也是应用内部数据访问的统一入口。
+ *
+ * @author MiCode Open Source Community
+ * @date 2010-2011
+ */
+public class NotesProvider extends ContentProvider {
+ /**
+ * Uri匹配器,用于将外部传入的Uri匹配为对应的操作类型(如查询所有笔记、查询单条数据、搜索等)
+ * 静态常量,类加载时初始化,全局唯一
+ */
+ private static final UriMatcher mMatcher;
+
+ /**
+ * 数据库帮助类实例,用于获取SQLiteDatabase对象执行数据库操作
+ */
+ private NotesDatabaseHelper mHelper;
+
+ /**
+ * 日志标签,用于Logcat输出时标识当前类,方便调试定位问题
+ */
+ private static final String TAG = "NotesProvider";
+
+ // ====================== Uri匹配类型常量 ======================
+ /**
+ * Uri匹配类型:查询/操作note表的所有数据
+ */
+ private static final int URI_NOTE = 1;
+ /**
+ * Uri匹配类型:查询/操作note表的单条数据(通过ID,如note/1)
+ */
+ private static final int URI_NOTE_ITEM = 2;
+ /**
+ * Uri匹配类型:查询/操作data表的所有数据
+ */
+ private static final int URI_DATA = 3;
+ /**
+ * Uri匹配类型:查询/操作data表的单条数据(通过ID,如data/1)
+ */
+ private static final int URI_DATA_ITEM = 4;
+ /**
+ * Uri匹配类型:执行笔记搜索操作
+ */
+ private static final int URI_SEARCH = 5;
+ /**
+ * Uri匹配类型:提供搜索建议(适配安卓SearchManager)
+ */
+ private static final int URI_SEARCH_SUGGEST = 6;
+
+
+ /**
+ * 静态代码块:初始化UriMatcher,添加Uri匹配规则
+ * 规则格式:authority(授权名) + path(路径) -> 匹配类型常量
+ */
+ static {
+ // 初始化UriMatcher,默认匹配失败返回UriMatcher.NO_MATCH
+ mMatcher = new UriMatcher(UriMatcher.NO_MATCH);
+ // 匹配note表所有数据:content://micode_notes/note -> URI_NOTE
+ mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE);
+ // 匹配note表单条数据:content://micode_notes/note/#(#表示数字ID) -> URI_NOTE_ITEM
+ mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM);
+ // 匹配data表所有数据:content://micode_notes/data -> URI_DATA
+ mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA);
+ // 匹配data表单条数据:content://micode_notes/data/# -> URI_DATA_ITEM
+ mMatcher.addURI(Notes.AUTHORITY, "data/#", URI_DATA_ITEM);
+ // 匹配搜索操作:content://micode_notes/search -> URI_SEARCH
+ mMatcher.addURI(Notes.AUTHORITY, "search", URI_SEARCH);
+ // 匹配搜索建议(空查询):content://micode_notes/suggestions/query -> URI_SEARCH_SUGGEST
+ mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY, URI_SEARCH_SUGGEST);
+ // 匹配搜索建议(带关键词):content://micode_notes/suggestions/query/关键词 -> URI_SEARCH_SUGGEST
+ mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", URI_SEARCH_SUGGEST);
+
+ }
+
+ /**
+ * 笔记搜索的投影(Projection)字符串,定义了搜索结果需要返回的列
+ * 适配安卓SearchManager的搜索建议列名,核心处理逻辑:
+ * 1. x'0A'是SQLite中的换行符\n,替换并修剪空格,让搜索结果显示更整洁;
+ * 2. 映射SearchManager的标准列名(如SUGGEST_COLUMN_TEXT_1、SUGGEST_COLUMN_ICON_1),供搜索框架使用;
+ * 3. 包含笔记ID、内容、图标、意图动作等信息,用于搜索建议的展示和跳转。
+ */
+ 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;
+
+ /**
+ * 笔记搜索的SQL查询语句,逻辑:
+ * 1. 选择NOTES_SEARCH_PROJECTION定义的列;
+ * 2. 从note表查询;
+ * 3. 条件:摘要包含搜索关键词(LIKE ?)、不在回收站(PARENT_ID != 回收站ID)、类型为普通笔记(TYPE=NOTE)。
+ */
+ 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;
+
+ /**
+ * ContentProvider创建时调用的方法,初始化数据库帮助类实例
+ * @return true表示ContentProvider创建成功,false表示失败
+ */
+ @Override
+ public boolean onCreate() {
+ // 获取NotesDatabaseHelper的单例实例,上下文使用ContentProvider的上下文
+ mHelper = NotesDatabaseHelper.getInstance(getContext());
+ return true;
+ }
+
+ /**
+ * 处理数据查询请求,是ContentProvider的核心方法之一
+ * 根据Uri匹配的类型,执行不同的数据库查询逻辑,返回Cursor对象
+ *
+ * @param uri 要查询的Uri
+ * @param projection 要返回的列(投影),null表示返回所有列
+ * @param selection 查询条件(WHERE子句),?作为占位符
+ * @param selectionArgs 查询条件的参数,替换selection中的?
+ * @param sortOrder 排序规则(ORDER BY子句)
+ * @return 查询结果的Cursor对象,若查询失败返回null
+ */
+ @Override
+ public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
+ String sortOrder) {
+ Cursor c = null;
+ // 获取只读的SQLiteDatabase对象(查询操作使用只读数据库,提升性能)
+ SQLiteDatabase db = mHelper.getReadableDatabase();
+ String id = null; // 存储Uri中的ID(如note/1中的1)
+
+ // 根据Uri匹配的类型执行不同的查询逻辑
+ switch (mMatcher.match(uri)) {
+ case URI_NOTE:
+ // 查询note表的所有数据
+ c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null,
+ sortOrder);
+ break;
+ case URI_NOTE_ITEM:
+ // 获取Uri中的ID(路径的第二个分段,如note/1的路径分段是["note", "1"])
+ id = uri.getPathSegments().get(1);
+ // 查询note表的单条数据,条件:ID=id + 传入的selection
+ c = db.query(TABLE.NOTE, projection, NoteColumns.ID + "=" + id
+ + parseSelection(selection), selectionArgs, null, null, sortOrder);
+ break;
+ case URI_DATA:
+ // 查询data表的所有数据
+ c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null,
+ sortOrder);
+ break;
+ case URI_DATA_ITEM:
+ // 获取Uri中的ID
+ id = uri.getPathSegments().get(1);
+ // 查询data表的单条数据,条件:ID=id + 传入的selection
+ c = db.query(TABLE.DATA, projection, DataColumns.ID + "=" + id
+ + parseSelection(selection), selectionArgs, null, null, sortOrder);
+ break;
+ case URI_SEARCH:
+ case URI_SEARCH_SUGGEST:
+ // 搜索操作不允许指定sortOrder和projection,否则抛出异常
+ if (sortOrder != null || projection != null) {
+ throw new IllegalArgumentException(
+ "do not specify sortOrder, selection, selectionArgs, or projection" + "with this query");
+ }
+
+ // 获取搜索关键词:搜索建议从路径获取,普通搜索从查询参数获取
+ String searchString = null;
+ if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) {
+ // 搜索建议:路径分段大于1时,第二个分段是关键词(如query/笔记)
+ if (uri.getPathSegments().size() > 1) {
+ searchString = uri.getPathSegments().get(1);
+ }
+ } else {
+ // 普通搜索:从查询参数"pattern"中获取关键词
+ searchString = uri.getQueryParameter("pattern");
+ }
+
+ // 如果是搜索建议类型,且搜索关键词不为空,返回合并结果
+ if (mMatcher.match(uri) == URI_SEARCH_SUGGEST && !TextUtils.isEmpty(searchString)) {
+ try {
+ // 1. 获取搜索历史记录
+ SearchHistoryManager historyManager = SearchHistoryManager.getInstance(getContext());
+ java.util.List historyList = historyManager.getSearchHistoryList();
+
+ // 2. 获取便签搜索结果
+ String likeSearchString = String.format("%%%s%%", searchString);
+ Cursor noteCursor = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY, new String[] { likeSearchString });
+
+ // 3. 创建矩阵游标,用于合并结果
+ String[] columns = { NoteColumns.ID, SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA,
+ SearchManager.SUGGEST_COLUMN_TEXT_1, SearchManager.SUGGEST_COLUMN_TEXT_2,
+ SearchManager.SUGGEST_COLUMN_ICON_1, SearchManager.SUGGEST_COLUMN_INTENT_ACTION,
+ SearchManager.SUGGEST_COLUMN_INTENT_DATA };
+ android.database.MatrixCursor matrixCursor = new android.database.MatrixCursor(columns);
+
+ // 4. 添加搜索历史记录(只添加匹配的历史)
+ for (String history : historyList) {
+ if (history.toLowerCase().contains(searchString.toLowerCase())) {
+ matrixCursor.addRow(new Object[] {
+ -1, // ID为-1表示是历史记录
+ history, // 历史记录作为Intent Extra数据
+ history, // 显示的文本1
+ getContext().getString(R.string.search_history), // 显示的文本2
+ R.drawable.search_result, // 图标
+ Intent.ACTION_SEARCH, // Intent动作
+ Notes.TextNote.CONTENT_TYPE // Intent数据类型
+ });
+ }
+ }
+
+ // 5. 添加便签搜索结果
+ if (noteCursor != null && noteCursor.moveToFirst()) {
+ do {
+ // 从便签搜索结果中获取列数据
+ long noteId = noteCursor.getLong(noteCursor.getColumnIndexOrThrow(NoteColumns.ID));
+ String extraData = noteCursor.getString(noteCursor.getColumnIndexOrThrow(SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA));
+ String text1 = noteCursor.getString(noteCursor.getColumnIndexOrThrow(SearchManager.SUGGEST_COLUMN_TEXT_1));
+ String text2 = noteCursor.getString(noteCursor.getColumnIndexOrThrow(SearchManager.SUGGEST_COLUMN_TEXT_2));
+ int icon = noteCursor.getInt(noteCursor.getColumnIndexOrThrow(SearchManager.SUGGEST_COLUMN_ICON_1));
+ String action = noteCursor.getString(noteCursor.getColumnIndexOrThrow(SearchManager.SUGGEST_COLUMN_INTENT_ACTION));
+ String data = noteCursor.getString(noteCursor.getColumnIndexOrThrow(SearchManager.SUGGEST_COLUMN_INTENT_DATA));
+
+ matrixCursor.addRow(new Object[] { noteId, extraData, text1, text2, icon, action, data });
+ } while (noteCursor.moveToNext());
+ }
+
+ // 6. 关闭便签搜索结果游标
+ if (noteCursor != null) {
+ noteCursor.close();
+ }
+
+ // 7. 设置矩阵游标为结果
+ c = matrixCursor;
+ } catch (IllegalStateException ex) {
+ // 捕获异常,输出错误日志
+ Log.e(TAG, "got exception: " + ex.toString());
+ }
+ } else if (!TextUtils.isEmpty(searchString)) {
+ // 普通搜索或搜索建议但关键词为空,只返回便签搜索结果
+ try {
+ // 拼接SQL的LIKE关键词(%表示任意字符,如%笔记%)
+ searchString = String.format("%%%s%%", searchString);
+ // 执行原生SQL查询,获取搜索结果
+ c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY,
+ new String[] { searchString });
+ } catch (IllegalStateException ex) {
+ // 捕获异常,输出错误日志
+ Log.e(TAG, "got exception: " + ex.toString());
+ }
+ }
+ break;
+
+ default:
+ // 未知Uri,抛出异常
+ throw new IllegalArgumentException("Unknown URI " + uri);
+ }
+
+ // 为Cursor设置通知Uri,当数据变更时,Cursor会收到通知并更新
+ if (c != null) {
+ c.setNotificationUri(getContext().getContentResolver(), uri);
+ }
+ return c;
+ }
+
+ /**
+ * 处理数据插入请求,向note表或data表插入数据
+ *
+ * @param uri 要插入的Uri
+ * @param values 要插入的数据(ContentValues键值对)
+ * @return 插入数据后的新Uri(包含插入的ID,如content://micode_notes/note/1)
+ */
+ @Override
+ public Uri insert(Uri uri, ContentValues values) {
+ // 获取可写的SQLiteDatabase对象(插入操作需要写权限)
+ SQLiteDatabase db = mHelper.getWritableDatabase();
+ long dataId = 0, noteId = 0, insertedId = 0; // 存储插入的ID
+
+ // 根据Uri匹配的类型执行插入逻辑
+ switch (mMatcher.match(uri)) {
+ case URI_NOTE:
+ // 插入note表,获取插入的ID
+ insertedId = noteId = db.insert(TABLE.NOTE, null, values);
+ break;
+ case URI_DATA:
+ // 插入data表时,先获取关联的noteId(必须包含NOTE_ID列)
+ if (values.containsKey(DataColumns.NOTE_ID)) {
+ noteId = values.getAsLong(DataColumns.NOTE_ID);
+ } else {
+ // 无NOTE_ID时输出调试日志
+ Log.d(TAG, "Wrong data format without note id:" + values.toString());
+ }
+ // 插入data表,获取插入的ID
+ insertedId = dataId = db.insert(TABLE.DATA, null, values);
+ break;
+
+ default:
+ // 未知Uri,抛出异常
+ throw new IllegalArgumentException("Unknown URI " + uri);
+ }
+
+ // 发送通知:note表数据变更,通知对应的Uri
+ if (noteId > 0) {
+ getContext().getContentResolver().notifyChange(
+ ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null);
+ }
+
+ // 发送通知:data表数据变更,通知对应的Uri
+ if (dataId > 0) {
+ getContext().getContentResolver().notifyChange(
+ ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null);
+ }
+
+
+
+ // 返回包含插入ID的新Uri
+ return ContentUris.withAppendedId(uri, insertedId);
+ }
+
+ /**
+ * 处理数据删除请求,从note表或data表删除数据
+ *
+ * @param uri 要删除的Uri
+ * @param selection 删除条件(WHERE子句)
+ * @param selectionArgs 删除条件的参数
+ * @return 删除的行数
+ */
+ @Override
+ public int delete(Uri uri, String selection, String[] selectionArgs) {
+ int count = 0; // 存储删除的行数
+ String id = null; // 存储Uri中的ID
+ // 获取可写的SQLiteDatabase对象
+ SQLiteDatabase db = mHelper.getWritableDatabase();
+ boolean deleteData = false; // 标记是否删除的是data表数据
+ long noteId = 0; // 用于存储便签ID,以便发送通知
+
+ // 根据Uri匹配的类型执行删除逻辑
+ switch (mMatcher.match(uri)) {
+ case URI_NOTE:
+ // 直接删除便签,条件:传入的selection + ID>0(排除系统文件夹)
+ selection = "(" + selection + ") AND " + NoteColumns.ID + ">0 ";
+ count = db.delete(TABLE.NOTE, selection, selectionArgs);
+ break;
+ case URI_NOTE_ITEM:
+ // 获取Uri中的ID
+ id = uri.getPathSegments().get(1);
+ /**
+ * ID小于等于0的是系统文件夹,不允许删除
+ */
+ noteId = Long.valueOf(id);
+ if (noteId <= 0) {
+ break;
+ }
+ // 直接删除便签,条件:ID=id + 传入的selection
+ count = db.delete(TABLE.NOTE, NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs);
+ break;
+ case URI_DATA:
+ // 删除data表数据
+ count = db.delete(TABLE.DATA, selection, selectionArgs);
+ deleteData = true;
+ break;
+ case URI_DATA_ITEM:
+ // 获取Uri中的ID,删除data表单条数据
+ 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);
+ }
+
+ // 数据删除成功时,发送通知更新UI
+ if (count > 0) {
+ // 删除data表数据时,同时通知note表的Uri(因为data表变更会影响note表的摘要)
+ if (deleteData) {
+ getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null);
+ }
+ // 如果是便签相关操作,通知对应的便签Uri
+ if (noteId > 0) {
+ getContext().getContentResolver().notifyChange(
+ ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null);
+ }
+ // 通知当前Uri的数据变更
+ getContext().getContentResolver().notifyChange(uri, null);
+ }
+ return count;
+ }
+
+ /**
+ * 处理数据更新请求,更新note表或data表的数据
+ *
+ * @param uri 要更新的Uri
+ * @param values 要更新的数据(ContentValues键值对)
+ * @param selection 更新条件(WHERE子句)
+ * @param selectionArgs 更新条件的参数
+ * @return 更新的行数
+ */
+ @Override
+ public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
+ int count = 0; // 存储更新的行数
+ String id = null; // 存储Uri中的ID
+ // 获取可写的SQLiteDatabase对象
+ SQLiteDatabase db = mHelper.getWritableDatabase();
+ boolean updateData = false; // 标记是否更新的是data表数据
+ long noteId = 0; // 用于存储便签ID,以便发送通知
+
+ // 根据Uri匹配的类型执行更新逻辑
+ switch (mMatcher.match(uri)) {
+ case URI_NOTE:
+ // 更新note表前,增加笔记的版本号
+ increaseNoteVersion(-1, selection, selectionArgs);
+ count = db.update(TABLE.NOTE, values, selection, selectionArgs);
+ break;
+ case URI_NOTE_ITEM:
+ // 获取Uri中的ID
+ id = uri.getPathSegments().get(1);
+ // 更新note表单条数据前,增加版本号
+ increaseNoteVersion(Long.valueOf(id), selection, selectionArgs);
+ count = db.update(TABLE.NOTE, values, NoteColumns.ID + "=" + id
+ + parseSelection(selection), selectionArgs);
+ break;
+ case URI_DATA:
+ // 更新data表数据
+ count = db.update(TABLE.DATA, values, selection, selectionArgs);
+ updateData = true;
+ break;
+ case URI_DATA_ITEM:
+ // 获取Uri中的ID,更新data表单条数据
+ 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);
+ }
+
+ // 数据更新成功时,发送通知更新UI
+ if (count > 0) {
+ // 更新data表数据时,同时通知note表的Uri
+ if (updateData) {
+ getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null);
+ }
+ // 如果是便签相关操作,通知对应的便签Uri
+ if (noteId > 0) {
+ getContext().getContentResolver().notifyChange(
+ ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null);
+ }
+ // 通知当前Uri的数据变更
+ getContext().getContentResolver().notifyChange(uri, null);
+ }
+ return count;
+ }
+
+ /**
+ * 辅助方法:处理选择条件,拼接AND和括号
+ * 若selection不为空,返回" AND (selection)";否则返回空字符串
+ * 用于将Uri的ID条件和传入的selection条件拼接,避免SQL语法错误
+ *
+ * @param selection 传入的选择条件
+ * @return 处理后的选择条件字符串
+ */
+ private String parseSelection(String selection) {
+ return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : "");
+ }
+
+ /**
+ * 辅助方法:增加笔记的版本号(VERSION列)
+ * 执行SQL语句将VERSION列加1,用于数据同步的版本控制,标记数据已修改
+ *
+ * @param id 笔记的ID(-1表示更新多条数据)
+ * @param selection 更新条件
+ * @param selectionArgs 更新条件的参数
+ */
+ private void increaseNoteVersion(long id, String selection, String[] selectionArgs) {
+ StringBuilder sql = new StringBuilder(120); // 构建SQL语句的字符串构建器
+ // 拼接UPDATE语句:UPDATE note SET VERSION=VERSION+1 [WHERE 条件]
+ sql.append("UPDATE ");
+ sql.append(TABLE.NOTE);
+ sql.append(" SET ");
+ sql.append(NoteColumns.VERSION);
+ sql.append("=" + NoteColumns.VERSION + "+1 ");
+
+ // 添加WHERE子句(ID>0或selection不为空时)
+ if (id > 0 || !TextUtils.isEmpty(selection)) {
+ sql.append(" WHERE ");
+ }
+ // 添加ID条件(id>0时)
+ if (id > 0) {
+ sql.append(NoteColumns.ID + "=" + String.valueOf(id));
+ }
+ // 添加传入的selection条件(替换占位符?为实际参数)
+ if (!TextUtils.isEmpty(selection)) {
+ // 处理selection:已有ID时拼接,否则直接使用
+ String selectString = id > 0 ? parseSelection(selection) : selection;
+ // 替换selection中的?为selectionArgs的参数(简单替换,适用于基础场景)
+ for (String args : selectionArgs) {
+ selectString = selectString.replaceFirst("\\?", args);
+ }
+ sql.append(selectString);
+ }
+
+ // 执行SQL语句
+ mHelper.getWritableDatabase().execSQL(sql.toString());
+ }
+
+ /**
+ * 获取Uri对应的MIME类型,适配ContentProvider的规范
+ * 本类暂未实现该方法,返回null
+ *
+ * @param uri 要查询的Uri
+ * @return Uri对应的MIME类型
+ */
+ @Override
+ public String getType(Uri uri) {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/gtask/data/MetaData.java b/java/net/micode/notes/gtask/data/MetaData.java
new file mode 100644
index 0000000..7c1f0e5
--- /dev/null
+++ b/java/net/micode/notes/gtask/data/MetaData.java
@@ -0,0 +1,159 @@
+/*
+ * 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;
+
+/**
+ * GTask(谷歌任务)的元数据模型类
+ * 继承自抽象基类{@link Task},专门处理与GTask关联的元数据(如关联的GTask ID)
+ * 核心功能:存储元数据的JSON信息、解析远程GTask的JSON数据获取关联ID、标记元数据是否值得保存
+ * 该类部分父类方法被重写为抛出异常,因为元数据不需要本地JSON处理和同步动作判断的逻辑
+ *
+ * @author MiCode Open Source Community
+ * @date 2010-2011
+ * @see Task 抽象任务基类
+ */
+public class MetaData extends Task {
+ /**
+ * 日志标签,使用类的简单名称(MetaData),便于Logcat中定位日志来源
+ */
+ private final static String TAG = MetaData.class.getSimpleName();
+
+ /**
+ * 与当前元数据关联的GTask唯一标识(Gid)
+ * Gid是GTask系统中用于标识任务的唯一ID,用于笔记与GTask的关联同步
+ */
+ private String mRelatedGid = null;
+
+ /**
+ * 设置元数据内容:将关联的GTask ID存入JSON对象,并设置元数据的名称和笔记内容
+ * 步骤:
+ * 1. 向传入的JSON元数据对象中添加GTask ID的键值对
+ * 2. 将JSON对象转为字符串,设置为当前任务的笔记内容(notes字段)
+ * 3. 设置当前任务的名称为元数据专用名称({@link GTaskStringUtils#META_NOTE_NAME})
+ *
+ * @param gid 关联的GTask唯一标识(Gid)
+ * @param metaInfo 存储元数据的JSON对象,用于封装元数据键值对
+ */
+ public void setMeta(String gid, JSONObject metaInfo) {
+ try {
+ // 向JSON对象中添加GTask ID的键值对,键为META_HEAD_GTASK_ID
+ metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);
+ } catch (JSONException e) {
+ // 捕获JSON操作异常,输出错误日志
+ Log.e(TAG, "failed to put related gid");
+ }
+ // 将JSON对象转为字符串,设置为任务的笔记内容(父类Task的notes属性)
+ setNotes(metaInfo.toString());
+ // 设置任务名称为元数据专用名称(区分普通任务和元数据任务)
+ setName(GTaskStringUtils.META_NOTE_NAME);
+ }
+
+ /**
+ * 获取与当前元数据关联的GTask ID
+ *
+ * @return 关联的GTask ID(null表示未设置或解析失败)
+ */
+ public String getRelatedGid() {
+ return mRelatedGid;
+ }
+
+ /**
+ * 重写父类方法,判断当前元数据是否值得保存到本地/远程
+ * 判定条件:任务的笔记内容(元数据JSON字符串)不为null
+ * 该方法用于同步时过滤无意义的元数据,避免空数据存储
+ *
+ * @return true表示值得保存(笔记内容非空),false表示无需保存
+ */
+ @Override
+ public boolean isWorthSaving() {
+ return getNotes() != null;
+ }
+
+ /**
+ * 重写父类方法,根据远程GTask的JSON数据设置元数据内容
+ * 步骤:
+ * 1. 调用父类方法初始化基础任务内容
+ * 2. 若笔记内容(元数据JSON字符串)非空,解析JSON获取关联的GTask ID
+ * 3. 捕获JSON解析异常,输出警告日志并将GTask ID置为null
+ *
+ * @param js 远程GTask返回的JSON对象,包含元数据信息
+ */
+ @Override
+ public void setContentByRemoteJSON(JSONObject js) {
+ // 调用父类方法,处理基础的任务内容(如名称、笔记等)
+ super.setContentByRemoteJSON(js);
+ // 若笔记内容(元数据JSON字符串)非空,则解析关联的GTask ID
+ if (getNotes() != null) {
+ try {
+ // 将笔记内容转为JSON对象(去除首尾空格,避免解析错误)
+ JSONObject metaInfo = new JSONObject(getNotes().trim());
+ // 从JSON对象中获取GTask ID并赋值给成员变量
+ mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID);
+ } catch (JSONException e) {
+ // 捕获JSON解析异常,输出警告日志,将GTask ID置为null
+ Log.w(TAG, "failed to get related gid");
+ mRelatedGid = null;
+ }
+ }
+ }
+
+ /**
+ * 重写父类方法,禁止调用该方法(元数据不需要本地JSON处理)
+ * 该方法被调用时会抛出非法访问错误,提示开发者该方法不适用
+ *
+ * @throws IllegalAccessError 调用该方法时立即抛出异常
+ */
+ @Override
+ public void setContentByLocalJSON(JSONObject js) {
+ // 抛出异常,说明该方法不应被调用(元数据仅处理远程GTask的JSON,不处理本地JSON)
+ throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
+ }
+
+ /**
+ * 重写父类方法,禁止调用该方法(元数据不需要生成本地JSON)
+ * 该方法被调用时会抛出非法访问错误,提示开发者该方法不适用
+ *
+ * @throws IllegalAccessError 调用该方法时立即抛出异常
+ * @return 无返回值(因为会直接抛出异常)
+ */
+ @Override
+ public JSONObject getLocalJSONFromContent() {
+ throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");
+ }
+
+ /**
+ * 重写父类方法,禁止调用该方法(元数据不需要判断同步动作)
+ * 该方法被调用时会抛出非法访问错误,提示开发者该方法不适用
+ *
+ * @param c 数据库游标(用于查询本地数据),此处未使用
+ * @throws IllegalAccessError 调用该方法时立即抛出异常
+ * @return 无返回值(因为会直接抛出异常)
+ */
+ @Override
+ public int getSyncAction(Cursor c) {
+ throw new IllegalAccessError("MetaData:getSyncAction should not be called");
+ }
+
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/gtask/data/Node.java b/java/net/micode/notes/gtask/data/Node.java
new file mode 100644
index 0000000..879059e
--- /dev/null
+++ b/java/net/micode/notes/gtask/data/Node.java
@@ -0,0 +1,217 @@
+/*
+ * 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;
+
+/**
+ * GTask同步的核心抽象节点类
+ * 该类是所有GTask同步数据(如笔记、文件夹)的基类,定义了同步所需的通用属性(GID、名称、修改时间、删除标记)、
+ * 同步动作常量以及需要子类实现的抽象方法(JSON序列化/反序列化、同步动作判断等)。
+ * 作为抽象类,它封装了GTask同步的通用逻辑,子类需根据具体数据类型(笔记/文件夹)实现抽象方法,完成具体的同步逻辑。
+ *
+ * @author MiCode Open Source Community
+ * @date 2010-2011
+ */
+public abstract class Node {
+ // ====================== 同步动作常量 ======================
+ /**
+ * 同步动作:无操作(数据一致,无需同步)
+ */
+ public static final int SYNC_ACTION_NONE = 0;
+
+ /**
+ * 同步动作:向远程GTask添加数据(本地新增数据,需要同步到远程)
+ */
+ public static final int SYNC_ACTION_ADD_REMOTE = 1;
+
+ /**
+ * 同步动作:向本地添加数据(远程GTask新增数据,需要同步到本地)
+ */
+ public static final int SYNC_ACTION_ADD_LOCAL = 2;
+
+ /**
+ * 同步动作:删除远程GTask数据(本地删除数据,需要同步删除远程数据)
+ */
+ public static final int SYNC_ACTION_DEL_REMOTE = 3;
+
+ /**
+ * 同步动作:删除本地数据(远程GTask删除数据,需要同步删除本地数据)
+ */
+ public static final int SYNC_ACTION_DEL_LOCAL = 4;
+
+ /**
+ * 同步动作:更新远程GTask数据(本地数据修改,需要同步更新远程数据)
+ */
+ public static final int SYNC_ACTION_UPDATE_REMOTE = 5;
+
+ /**
+ * 同步动作:更新本地数据(远程GTask数据修改,需要同步更新本地数据)
+ */
+ public static final int SYNC_ACTION_UPDATE_LOCAL = 6;
+
+ /**
+ * 同步动作:数据冲突(本地和远程数据都被修改,需要处理冲突)
+ */
+ public static final int SYNC_ACTION_UPDATE_CONFLICT = 7;
+
+ /**
+ * 同步动作:同步错误(同步过程中出现异常,标记为错误状态)
+ */
+ public static final int SYNC_ACTION_ERROR = 8;
+
+ // ====================== 成员变量 ======================
+ /**
+ * GTask的唯一标识ID(Gid),用于关联本地数据和远程GTask数据
+ */
+ private String mGid;
+
+ /**
+ * 节点名称(如笔记标题、文件夹名称)
+ */
+ private String mName;
+
+ /**
+ * 最后修改时间戳(毫秒),用于判断数据是否需要同步(本地与远程时间对比)
+ */
+ private long mLastModified;
+
+ /**
+ * 删除标记:true表示数据已被删除(本地或远程),需要同步删除操作
+ */
+ private boolean mDeleted;
+
+ /**
+ * 构造方法:初始化节点的默认属性
+ * Gid为null,名称为空字符串,最后修改时间为0,删除标记为false
+ */
+ public Node() {
+ mGid = null;
+ mName = "";
+ mLastModified = 0;
+ mDeleted = false;
+ }
+
+ // ====================== 抽象方法(子类需实现) ======================
+ /**
+ * 获取创建动作的JSON对象(用于向远程GTask发送创建请求)
+ * @param actionId 动作ID(标识本次创建动作的唯一ID)
+ * @return 包含创建动作信息的JSONObject
+ */
+ public abstract JSONObject getCreateAction(int actionId);
+
+ /**
+ * 获取更新动作的JSON对象(用于向远程GTask发送更新请求)
+ * @param actionId 动作ID(标识本次更新动作的唯一ID)
+ * @return 包含更新动作信息的JSONObject
+ */
+ public abstract JSONObject getUpdateAction(int actionId);
+
+ /**
+ * 根据远程GTask的JSON数据设置节点内容(将远程数据同步到本地)
+ * @param js 远程GTask返回的JSON数据对象
+ */
+ public abstract void setContentByRemoteJSON(JSONObject js);
+
+ /**
+ * 根据本地的JSON数据设置节点内容(本地数据序列化后的恢复)
+ * @param js 本地存储的JSON数据对象
+ */
+ public abstract void setContentByLocalJSON(JSONObject js);
+
+ /**
+ * 从节点内容中获取本地JSON数据(将本地数据序列化为JSON,用于存储或同步)
+ * @return 包含本地节点内容的JSONObject
+ */
+ public abstract JSONObject getLocalJSONFromContent();
+
+ /**
+ * 根据本地数据库的Cursor数据判断当前节点的同步动作类型
+ * 核心逻辑:对比本地数据和远程GTask数据的状态(新增、修改、删除),返回对应的同步动作常量
+ * @param c 本地数据库的Cursor对象(包含本地数据的状态信息)
+ * @return 同步动作类型(对应SYNC_ACTION_*常量)
+ */
+ public abstract int getSyncAction(Cursor c);
+
+ // ====================== 成员变量的setter/getter方法 ======================
+ /**
+ * 设置GTask的唯一标识ID(Gid)
+ * @param gid 远程GTask的Gid字符串
+ */
+ public void setGid(String gid) {
+ this.mGid = gid;
+ }
+
+ /**
+ * 设置节点名称
+ * @param name 节点名称字符串(笔记标题/文件夹名称)
+ */
+ public void setName(String name) {
+ this.mName = name;
+ }
+
+ /**
+ * 设置最后修改时间戳
+ * @param lastModified 最后修改时间(毫秒)
+ */
+ public void setLastModified(long lastModified) {
+ this.mLastModified = lastModified;
+ }
+
+ /**
+ * 设置删除标记
+ * @param deleted true表示数据已被删除,false表示数据正常
+ */
+ public void setDeleted(boolean deleted) {
+ this.mDeleted = deleted;
+ }
+
+ /**
+ * 获取GTask的唯一标识ID(Gid)
+ * @return Gid字符串,若未关联远程数据则返回null
+ */
+ public String getGid() {
+ return this.mGid;
+ }
+
+ /**
+ * 获取节点名称
+ * @return 节点名称字符串
+ */
+ public String getName() {
+ return this.mName;
+ }
+
+ /**
+ * 获取最后修改时间戳
+ * @return 最后修改时间(毫秒)
+ */
+ public long getLastModified() {
+ return this.mLastModified;
+ }
+
+ /**
+ * 获取删除标记
+ * @return true表示数据已被删除,false表示数据正常
+ */
+ public boolean getDeleted() {
+ return this.mDeleted;
+ }
+
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/gtask/data/SqlData.java b/java/net/micode/notes/gtask/data/SqlData.java
new file mode 100644
index 0000000..cf5e62f
--- /dev/null
+++ b/java/net/micode/notes/gtask/data/SqlData.java
@@ -0,0 +1,335 @@
+/*
+ * 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;
+
+/**
+ * 笔记应用data表的数据操作封装类
+ * 该类专门处理Android ContentProvider对data表的增改、数据差异对比、JSON序列化/反序列化以及持久化操作,
+ * 是GTask同步过程中处理data表数据的核心类。它会记录数据的变更差异(mDiffDataValues),仅提交有变化的数据,
+ * 同时支持创建新数据和更新已有数据两种场景,并提供版本验证机制保证数据同步的一致性。
+ *
+ * @author MiCode Open Source Community
+ * @date 2010-2011
+ */
+public class SqlData {
+ /**
+ * 日志标签,使用类的简单名称,便于调试时定位日志来源
+ */
+ private static final String TAG = SqlData.class.getSimpleName();
+
+ /**
+ * 无效的ID常量,用于标记数据ID尚未初始化或不存在(区别于数据库的自增ID)
+ */
+ private static final int INVALID_ID = -99999;
+
+ /**
+ * data表的查询投影(Projection),定义了查询时需要返回的列,减少数据传输开销
+ * 包含:ID、MIME_TYPE、CONTENT、DATA1、DATA3
+ */
+ public static final String[] PROJECTION_DATA = new String[] {
+ DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1,
+ DataColumns.DATA3
+ };
+
+ // ====================== PROJECTION_DATA的列索引常量 ======================
+ /**
+ * PROJECTION_DATA中ID列的索引(对应DataColumns.ID)
+ */
+ public static final int DATA_ID_COLUMN = 0;
+
+ /**
+ * PROJECTION_DATA中MIME_TYPE列的索引(对应DataColumns.MIME_TYPE)
+ */
+ public static final int DATA_MIME_TYPE_COLUMN = 1;
+
+ /**
+ * PROJECTION_DATA中CONTENT列的索引(对应DataColumns.CONTENT)
+ */
+ public static final int DATA_CONTENT_COLUMN = 2;
+
+ /**
+ * PROJECTION_DATA中DATA1列的索引(对应DataColumns.DATA1)
+ */
+ public static final int DATA_CONTENT_DATA_1_COLUMN = 3;
+
+ /**
+ * PROJECTION_DATA中DATA3列的索引(对应DataColumns.DATA3)
+ */
+ public static final int DATA_CONTENT_DATA_3_COLUMN = 4;
+
+ // ====================== 成员变量 ======================
+ /**
+ * Android内容解析器,用于访问ContentProvider进行数据的增删改查操作
+ */
+ private ContentResolver mContentResolver;
+
+ /**
+ * 数据创建标记:true表示当前是新数据(需要插入数据库),false表示已有数据(需要更新数据库)
+ */
+ private boolean mIsCreate;
+
+ /**
+ * data表的主键ID,关联到具体的行数据
+ */
+ private long mDataId;
+
+ /**
+ * 数据的MIME类型(如文本笔记:DataConstants.NOTE,通话笔记:DataConstants.CALL_NOTE)
+ */
+ private String mDataMimeType;
+
+ /**
+ * 数据的内容(如文本笔记的文本内容)
+ */
+ private String mDataContent;
+
+ /**
+ * DATA1列的数据(整型,如文本笔记的模式、通话笔记的通话时间)
+ */
+ private long mDataContentData1;
+
+ /**
+ * DATA3列的数据(文本,如通话笔记的电话号码)
+ */
+ private String mDataContentData3;
+
+ /**
+ * 数据差异的ContentValues,仅存储有变化的字段,用于提交到数据库(减少不必要的更新)
+ */
+ private ContentValues mDiffDataValues;
+
+ /**
+ * 构造方法:初始化新的SqlData对象(用于创建新数据)
+ *
+ * @param context 上下文对象,用于获取ContentResolver
+ */
+ public SqlData(Context context) {
+ // 获取ContentResolver实例,用于访问ContentProvider
+ mContentResolver = context.getContentResolver();
+ // 标记为新数据,需要插入数据库
+ mIsCreate = true;
+ // 初始化ID为无效值
+ mDataId = INVALID_ID;
+ // 默认MIME类型为文本笔记
+ mDataMimeType = DataConstants.NOTE;
+ // 初始化内容为空字符串
+ mDataContent = "";
+ // 初始化DATA1为0
+ mDataContentData1 = 0;
+ // 初始化DATA3为空字符串
+ mDataContentData3 = "";
+ // 初始化数据差异容器
+ mDiffDataValues = new ContentValues();
+ }
+
+ /**
+ * 构造方法:从Cursor中加载已有数据初始化SqlData对象(用于更新已有数据)
+ *
+ * @param context 上下文对象,用于获取ContentResolver
+ * @param c 包含data表数据的Cursor对象(需使用PROJECTION_DATA投影查询)
+ */
+ public SqlData(Context context, Cursor c) {
+ mContentResolver = context.getContentResolver();
+ // 标记为已有数据,需要更新数据库
+ mIsCreate = false;
+ // 从Cursor中加载数据到成员变量
+ loadFromCursor(c);
+ // 初始化数据差异容器
+ mDiffDataValues = new ContentValues();
+ }
+
+ /**
+ * 辅助方法:从Cursor中加载数据到成员变量
+ * 需保证Cursor使用PROJECTION_DATA投影查询,否则会出现列索引越界异常
+ *
+ * @param c 包含data表数据的Cursor对象
+ */
+ private void loadFromCursor(Cursor c) {
+ // 从Cursor中获取ID(长整型)
+ mDataId = c.getLong(DATA_ID_COLUMN);
+ // 获取MIME类型(字符串)
+ mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN);
+ // 获取内容(字符串)
+ mDataContent = c.getString(DATA_CONTENT_COLUMN);
+ // 获取DATA1(长整型)
+ mDataContentData1 = c.getLong(DATA_CONTENT_DATA_1_COLUMN);
+ // 获取DATA3(字符串)
+ mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN);
+ }
+
+ /**
+ * 根据JSON对象设置数据内容,并记录数据差异到mDiffDataValues
+ * 核心逻辑:对比当前数据与JSON中的数据,仅将有变化的字段加入差异容器,新数据则直接加入所有字段
+ *
+ * @param js 包含data表数据的JSON对象
+ * @throws JSONException JSON解析异常(如字段类型不匹配、缺失等)
+ */
+ public void setContent(JSONObject js) throws JSONException {
+ // 从JSON中获取ID,默认值为INVALID_ID
+ long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID;
+ // 新数据或ID变化时,将ID加入差异容器
+ if (mIsCreate || mDataId != dataId) {
+ mDiffDataValues.put(DataColumns.ID, dataId);
+ }
+ // 更新当前ID
+ mDataId = dataId;
+
+ // 从JSON中获取MIME类型,默认值为文本笔记
+ String dataMimeType = js.has(DataColumns.MIME_TYPE) ? js.getString(DataColumns.MIME_TYPE)
+ : DataConstants.NOTE;
+ // 新数据或MIME类型变化时,将MIME_TYPE加入差异容器
+ if (mIsCreate || !mDataMimeType.equals(dataMimeType)) {
+ mDiffDataValues.put(DataColumns.MIME_TYPE, dataMimeType);
+ }
+ // 更新当前MIME类型
+ mDataMimeType = dataMimeType;
+
+ // 从JSON中获取内容,默认值为空字符串
+ String dataContent = js.has(DataColumns.CONTENT) ? js.getString(DataColumns.CONTENT) : "";
+ // 新数据或内容变化时,将CONTENT加入差异容器
+ if (mIsCreate || !mDataContent.equals(dataContent)) {
+ mDiffDataValues.put(DataColumns.CONTENT, dataContent);
+ }
+ // 更新当前内容
+ mDataContent = dataContent;
+
+ // 从JSON中获取DATA1,默认值为0
+ long dataContentData1 = js.has(DataColumns.DATA1) ? js.getLong(DataColumns.DATA1) : 0;
+ // 新数据或DATA1变化时,将DATA1加入差异容器
+ if (mIsCreate || mDataContentData1 != dataContentData1) {
+ mDiffDataValues.put(DataColumns.DATA1, dataContentData1);
+ }
+ // 更新当前DATA1
+ mDataContentData1 = dataContentData1;
+
+ // 从JSON中获取DATA3,默认值为空字符串
+ String dataContentData3 = js.has(DataColumns.DATA3) ? js.getString(DataColumns.DATA3) : "";
+ // 新数据或DATA3变化时,将DATA3加入差异容器
+ if (mIsCreate || !mDataContentData3.equals(dataContentData3)) {
+ mDiffDataValues.put(DataColumns.DATA3, dataContentData3);
+ }
+ // 更新当前DATA3
+ mDataContentData3 = dataContentData3;
+ }
+
+ /**
+ * 将当前数据序列化为JSON对象
+ * 仅当数据已存在(非新数据)时才会序列化,否则输出错误日志并返回null
+ *
+ * @return 包含data表数据的JSON对象
+ * @throws JSONException JSON序列化异常(如字段写入失败)
+ */
+ public JSONObject getContent() throws JSONException {
+ // 新数据尚未持久化,输出错误日志并返回null
+ if (mIsCreate) {
+ Log.e(TAG, "it seems that we haven't created this in database yet");
+ return null;
+ }
+ // 创建JSON对象并写入所有数据字段
+ 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;
+ }
+
+ /**
+ * 提交数据变更到数据库(插入或更新)
+ * 支持版本验证机制,保证同步时数据的一致性(仅当note表的版本匹配时才更新)
+ *
+ * @param noteId 关联的note表ID(data表的NOTE_ID列)
+ * @param validateVersion 是否开启版本验证:true表示验证,false表示不验证
+ * @param version 需要验证的note表版本号(仅当validateVersion为true时生效)
+ */
+ public void commit(long noteId, boolean validateVersion, long version) {
+ // 新数据:执行插入操作
+ if (mIsCreate) {
+ // 若ID为无效值且差异容器中包含ID,移除该ID(数据库自增ID,无需手动设置)
+ if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) {
+ mDiffDataValues.remove(DataColumns.ID);
+ }
+
+ // 添加关联的note表ID到差异容器
+ mDiffDataValues.put(DataColumns.NOTE_ID, noteId);
+ // 插入数据到ContentProvider,获取返回的Uri(包含新数据的ID)
+ Uri uri = mContentResolver.insert(Notes.CONTENT_DATA_URI, mDiffDataValues);
+ try {
+ // 从Uri中解析出新数据的ID(Uri路径分段的第二个元素,如data/123中的123)
+ mDataId = Long.valueOf(uri.getPathSegments().get(1));
+ } catch (NumberFormatException e) {
+ // 解析ID失败,输出错误日志并抛出同步失败异常
+ Log.e(TAG, "Get note id error :" + e.toString());
+ throw new ActionFailureException("create note failed");
+ }
+ } else {
+ // 已有数据:仅当存在差异时执行更新操作
+ if (mDiffDataValues.size() > 0) {
+ int result = 0;
+ if (!validateVersion) {
+ // 不验证版本:直接更新数据(根据data表ID)
+ result = mContentResolver.update(ContentUris.withAppendedId(
+ Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null);
+ } else {
+ // 验证版本:仅当note表中对应ID的版本号匹配时才更新
+ 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)
+ });
+ }
+ // 更新结果为0,说明数据未更新(可能同步时用户修改了数据),输出警告日志
+ if (result == 0) {
+ Log.w(TAG, "there is no update. maybe user updates note when syncing");
+ }
+ }
+ }
+
+ // 清空差异容器,标记数据为已存在(非新数据)
+ mDiffDataValues.clear();
+ mIsCreate = false;
+ }
+
+ /**
+ * 获取当前data表数据的ID
+ *
+ * @return data表的主键ID,若未初始化则返回INVALID_ID
+ */
+ public long getId() {
+ return mDataId;
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/gtask/data/SqlNote.java b/java/net/micode/notes/gtask/data/SqlNote.java
new file mode 100644
index 0000000..79a4095
--- /dev/null
+++ b/java/net/micode/notes/gtask/data/SqlNote.java
@@ -0,0 +1,505 @@
+/*
+ * 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 {
+ private static final String TAG = SqlNote.class.getSimpleName();
+
+ private static final int INVALID_ID = -99999;
+
+ public static final String[] PROJECTION_NOTE = new String[] {
+ NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID,
+ NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE,
+ NoteColumns.NOTES_COUNT, NoteColumns.PARENT_ID, NoteColumns.SNIPPET, NoteColumns.TYPE,
+ NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE, NoteColumns.SYNC_ID,
+ NoteColumns.LOCAL_MODIFIED, NoteColumns.ORIGIN_PARENT_ID, NoteColumns.GTASK_ID,
+ NoteColumns.VERSION
+ };
+
+ public static final int ID_COLUMN = 0;
+
+ public static final int ALERTED_DATE_COLUMN = 1;
+
+ public static final int BG_COLOR_ID_COLUMN = 2;
+
+ public static final int CREATED_DATE_COLUMN = 3;
+
+ public static final int HAS_ATTACHMENT_COLUMN = 4;
+
+ public static final int MODIFIED_DATE_COLUMN = 5;
+
+ public static final int NOTES_COUNT_COLUMN = 6;
+
+ public static final int PARENT_ID_COLUMN = 7;
+
+ public static final int SNIPPET_COLUMN = 8;
+
+ public static final int TYPE_COLUMN = 9;
+
+ public static final int WIDGET_ID_COLUMN = 10;
+
+ public static final int WIDGET_TYPE_COLUMN = 11;
+
+ public static final int SYNC_ID_COLUMN = 12;
+
+ public static final int LOCAL_MODIFIED_COLUMN = 13;
+
+ public static final int ORIGIN_PARENT_ID_COLUMN = 14;
+
+ public static final int GTASK_ID_COLUMN = 15;
+
+ public static final int VERSION_COLUMN = 16;
+
+ private Context mContext;
+
+ private ContentResolver mContentResolver;
+
+ private boolean mIsCreate;
+
+ private long mId;
+
+ private long mAlertDate;
+
+ private int mBgColorId;
+
+ private long mCreatedDate;
+
+ private int mHasAttachment;
+
+ private long mModifiedDate;
+
+ private long mParentId;
+
+ private String mSnippet;
+
+ private int mType;
+
+ private int mWidgetId;
+
+ private int mWidgetType;
+
+ private long mOriginParent;
+
+ private long mVersion;
+
+ private ContentValues mDiffNoteValues;
+
+ private ArrayList mDataList;
+
+ 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();
+ }
+
+ public SqlNote(Context context, Cursor c) {
+ mContext = context;
+ mContentResolver = context.getContentResolver();
+ mIsCreate = false;
+ loadFromCursor(c);
+ mDataList = new ArrayList();
+ if (mType == Notes.TYPE_NOTE)
+ loadDataContent();
+ mDiffNoteValues = new ContentValues();
+ }
+
+ public SqlNote(Context context, long id) {
+ mContext = context;
+ mContentResolver = context.getContentResolver();
+ mIsCreate = false;
+ loadFromCursor(id);
+ mDataList = new ArrayList();
+ if (mType == Notes.TYPE_NOTE)
+ loadDataContent();
+ mDiffNoteValues = new ContentValues();
+
+ }
+
+ 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();
+ }
+ }
+
+ 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);
+ }
+
+ 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();
+ }
+ }
+
+ public boolean setContent(JSONObject js) {
+ try {
+ JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
+ if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) {
+ Log.w(TAG, "cannot set system folder");
+ } else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) {
+ // for folder we can only update the snnipet and type
+ String snippet = note.has(NoteColumns.SNIPPET) ? note
+ .getString(NoteColumns.SNIPPET) : "";
+ if (mIsCreate || !mSnippet.equals(snippet)) {
+ mDiffNoteValues.put(NoteColumns.SNIPPET, snippet);
+ }
+ mSnippet = snippet;
+
+ int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE)
+ : Notes.TYPE_NOTE;
+ if (mIsCreate || mType != type) {
+ mDiffNoteValues.put(NoteColumns.TYPE, type);
+ }
+ mType = type;
+ } else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_NOTE) {
+ JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
+ long id = note.has(NoteColumns.ID) ? note.getLong(NoteColumns.ID) : INVALID_ID;
+ if (mIsCreate || mId != id) {
+ mDiffNoteValues.put(NoteColumns.ID, id);
+ }
+ mId = id;
+
+ long alertDate = note.has(NoteColumns.ALERTED_DATE) ? note
+ .getLong(NoteColumns.ALERTED_DATE) : 0;
+ if (mIsCreate || mAlertDate != alertDate) {
+ mDiffNoteValues.put(NoteColumns.ALERTED_DATE, alertDate);
+ }
+ mAlertDate = alertDate;
+
+ int bgColorId = note.has(NoteColumns.BG_COLOR_ID) ? note
+ .getInt(NoteColumns.BG_COLOR_ID) : ResourceParser.getDefaultBgId(mContext);
+ if (mIsCreate || mBgColorId != bgColorId) {
+ mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId);
+ }
+ mBgColorId = bgColorId;
+
+ long createDate = note.has(NoteColumns.CREATED_DATE) ? note
+ .getLong(NoteColumns.CREATED_DATE) : System.currentTimeMillis();
+ if (mIsCreate || mCreatedDate != createDate) {
+ mDiffNoteValues.put(NoteColumns.CREATED_DATE, createDate);
+ }
+ mCreatedDate = createDate;
+
+ int hasAttachment = note.has(NoteColumns.HAS_ATTACHMENT) ? note
+ .getInt(NoteColumns.HAS_ATTACHMENT) : 0;
+ if (mIsCreate || mHasAttachment != hasAttachment) {
+ mDiffNoteValues.put(NoteColumns.HAS_ATTACHMENT, hasAttachment);
+ }
+ mHasAttachment = hasAttachment;
+
+ long modifiedDate = note.has(NoteColumns.MODIFIED_DATE) ? note
+ .getLong(NoteColumns.MODIFIED_DATE) : System.currentTimeMillis();
+ if (mIsCreate || mModifiedDate != modifiedDate) {
+ mDiffNoteValues.put(NoteColumns.MODIFIED_DATE, modifiedDate);
+ }
+ mModifiedDate = modifiedDate;
+
+ long parentId = note.has(NoteColumns.PARENT_ID) ? note
+ .getLong(NoteColumns.PARENT_ID) : 0;
+ if (mIsCreate || mParentId != parentId) {
+ mDiffNoteValues.put(NoteColumns.PARENT_ID, parentId);
+ }
+ mParentId = parentId;
+
+ String snippet = note.has(NoteColumns.SNIPPET) ? note
+ .getString(NoteColumns.SNIPPET) : "";
+ if (mIsCreate || !mSnippet.equals(snippet)) {
+ mDiffNoteValues.put(NoteColumns.SNIPPET, snippet);
+ }
+ mSnippet = snippet;
+
+ int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE)
+ : Notes.TYPE_NOTE;
+ if (mIsCreate || mType != type) {
+ mDiffNoteValues.put(NoteColumns.TYPE, type);
+ }
+ mType = type;
+
+ int widgetId = note.has(NoteColumns.WIDGET_ID) ? note.getInt(NoteColumns.WIDGET_ID)
+ : AppWidgetManager.INVALID_APPWIDGET_ID;
+ if (mIsCreate || mWidgetId != widgetId) {
+ mDiffNoteValues.put(NoteColumns.WIDGET_ID, widgetId);
+ }
+ mWidgetId = widgetId;
+
+ int widgetType = note.has(NoteColumns.WIDGET_TYPE) ? note
+ .getInt(NoteColumns.WIDGET_TYPE) : Notes.TYPE_WIDGET_INVALIDE;
+ if (mIsCreate || mWidgetType != widgetType) {
+ mDiffNoteValues.put(NoteColumns.WIDGET_TYPE, widgetType);
+ }
+ mWidgetType = widgetType;
+
+ long originParent = note.has(NoteColumns.ORIGIN_PARENT_ID) ? note
+ .getLong(NoteColumns.ORIGIN_PARENT_ID) : 0;
+ if (mIsCreate || mOriginParent != originParent) {
+ mDiffNoteValues.put(NoteColumns.ORIGIN_PARENT_ID, originParent);
+ }
+ mOriginParent = originParent;
+
+ for (int i = 0; i < dataArray.length(); i++) {
+ JSONObject data = dataArray.getJSONObject(i);
+ SqlData sqlData = null;
+ if (data.has(DataColumns.ID)) {
+ long dataId = data.getLong(DataColumns.ID);
+ for (SqlData temp : mDataList) {
+ if (dataId == temp.getId()) {
+ sqlData = temp;
+ }
+ }
+ }
+
+ if (sqlData == null) {
+ sqlData = new SqlData(mContext);
+ mDataList.add(sqlData);
+ }
+
+ sqlData.setContent(data);
+ }
+ }
+ } catch (JSONException e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ return false;
+ }
+ return true;
+ }
+
+ public JSONObject getContent() {
+ try {
+ JSONObject js = new JSONObject();
+
+ if (mIsCreate) {
+ Log.e(TAG, "it seems that we haven't created this in database yet");
+ return null;
+ }
+
+ JSONObject note = new JSONObject();
+ if (mType == Notes.TYPE_NOTE) {
+ note.put(NoteColumns.ID, mId);
+ note.put(NoteColumns.ALERTED_DATE, mAlertDate);
+ note.put(NoteColumns.BG_COLOR_ID, mBgColorId);
+ note.put(NoteColumns.CREATED_DATE, mCreatedDate);
+ note.put(NoteColumns.HAS_ATTACHMENT, mHasAttachment);
+ note.put(NoteColumns.MODIFIED_DATE, mModifiedDate);
+ note.put(NoteColumns.PARENT_ID, mParentId);
+ note.put(NoteColumns.SNIPPET, mSnippet);
+ note.put(NoteColumns.TYPE, mType);
+ note.put(NoteColumns.WIDGET_ID, mWidgetId);
+ note.put(NoteColumns.WIDGET_TYPE, mWidgetType);
+ note.put(NoteColumns.ORIGIN_PARENT_ID, mOriginParent);
+ js.put(GTaskStringUtils.META_HEAD_NOTE, note);
+
+ JSONArray dataArray = new JSONArray();
+ for (SqlData sqlData : mDataList) {
+ JSONObject data = sqlData.getContent();
+ if (data != null) {
+ dataArray.put(data);
+ }
+ }
+ js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
+ } else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) {
+ note.put(NoteColumns.ID, mId);
+ note.put(NoteColumns.TYPE, mType);
+ note.put(NoteColumns.SNIPPET, mSnippet);
+ js.put(GTaskStringUtils.META_HEAD_NOTE, note);
+ }
+
+ return js;
+ } catch (JSONException e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ }
+ return null;
+ }
+
+ public void setParentId(long id) {
+ mParentId = id;
+ mDiffNoteValues.put(NoteColumns.PARENT_ID, id);
+ }
+
+ public void setGtaskId(String gid) {
+ mDiffNoteValues.put(NoteColumns.GTASK_ID, gid);
+ }
+
+ public void setSyncId(long syncId) {
+ mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId);
+ }
+
+ public void resetLocalModified() {
+ mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0);
+ }
+
+ public long getId() {
+ return mId;
+ }
+
+ public long getParentId() {
+ return mParentId;
+ }
+
+ public String getSnippet() {
+ return mSnippet;
+ }
+
+ public boolean isNoteType() {
+ return mType == Notes.TYPE_NOTE;
+ }
+
+ public void commit(boolean validateVersion) {
+ if (mIsCreate) {
+ if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) {
+ mDiffNoteValues.remove(NoteColumns.ID);
+ }
+
+ Uri uri = mContentResolver.insert(Notes.CONTENT_NOTE_URI, mDiffNoteValues);
+ try {
+ mId = Long.valueOf(uri.getPathSegments().get(1));
+ } catch (NumberFormatException e) {
+ Log.e(TAG, "Get note id error :" + e.toString());
+ throw new ActionFailureException("create note failed");
+ }
+ if (mId == 0) {
+ throw new IllegalStateException("Create thread id failed");
+ }
+
+ if (mType == Notes.TYPE_NOTE) {
+ for (SqlData sqlData : mDataList) {
+ sqlData.commit(mId, false, -1);
+ }
+ }
+ } else {
+ if (mId <= 0 && mId != Notes.ID_ROOT_FOLDER && mId != Notes.ID_CALL_RECORD_FOLDER) {
+ Log.e(TAG, "No such note");
+ throw new IllegalStateException("Try to update note with invalid id");
+ }
+ if (mDiffNoteValues.size() > 0) {
+ mVersion ++;
+ int result = 0;
+ if (!validateVersion) {
+ result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
+ + NoteColumns.ID + "=?)", new String[] {
+ String.valueOf(mId)
+ });
+ } else {
+ result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
+ + NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)",
+ new String[] {
+ String.valueOf(mId), String.valueOf(mVersion)
+ });
+ }
+ if (result == 0) {
+ Log.w(TAG, "there is no update. maybe user updates note when syncing");
+ }
+ }
+
+ if (mType == Notes.TYPE_NOTE) {
+ for (SqlData sqlData : mDataList) {
+ sqlData.commit(mId, validateVersion, mVersion);
+ }
+ }
+ }
+
+ // refresh local info
+ loadFromCursor(mId);
+ if (mType == Notes.TYPE_NOTE)
+ loadDataContent();
+
+ mDiffNoteValues.clear();
+ mIsCreate = false;
+ }
+}
diff --git a/java/net/micode/notes/gtask/data/Task.java b/java/net/micode/notes/gtask/data/Task.java
new file mode 100644
index 0000000..6a19454
--- /dev/null
+++ b/java/net/micode/notes/gtask/data/Task.java
@@ -0,0 +1,351 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.gtask.data;
+
+import android.database.Cursor;
+import android.text.TextUtils;
+import android.util.Log;
+
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.DataColumns;
+import net.micode.notes.data.Notes.DataConstants;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.gtask.exception.ActionFailureException;
+import net.micode.notes.tool.GTaskStringUtils;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+
+public class Task extends Node {
+ private static final String TAG = Task.class.getSimpleName();
+
+ private boolean mCompleted;
+
+ private String mNotes;
+
+ private JSONObject mMetaInfo;
+
+ private Task mPriorSibling;
+
+ private TaskList mParent;
+
+ public Task() {
+ super();
+ mCompleted = false;
+ mNotes = null;
+ mPriorSibling = null;
+ mParent = null;
+ mMetaInfo = null;
+ }
+
+ public JSONObject getCreateAction(int actionId) {
+ JSONObject js = new JSONObject();
+
+ try {
+ // action_type
+ js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
+ GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE);
+
+ // action_id
+ js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
+
+ // index
+ js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this));
+
+ // entity_delta
+ JSONObject entity = new JSONObject();
+ entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
+ entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
+ entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE,
+ GTaskStringUtils.GTASK_JSON_TYPE_TASK);
+ if (getNotes() != null) {
+ entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
+ }
+ js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
+
+ // parent_id
+ js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid());
+
+ // dest_parent_type
+ js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE,
+ GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
+
+ // list_id
+ js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid());
+
+ // prior_sibling_id
+ if (mPriorSibling != null) {
+ js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid());
+ }
+
+ } catch (JSONException e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ throw new ActionFailureException("fail to generate task-create jsonobject");
+ }
+
+ return js;
+ }
+
+ public JSONObject getUpdateAction(int actionId) {
+ JSONObject js = new JSONObject();
+
+ try {
+ // action_type
+ js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
+ GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE);
+
+ // action_id
+ js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
+
+ // id
+ js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
+
+ // entity_delta
+ JSONObject entity = new JSONObject();
+ entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
+ if (getNotes() != null) {
+ entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
+ }
+ entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted());
+ js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
+
+ } catch (JSONException e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ throw new ActionFailureException("fail to generate task-update jsonobject");
+ }
+
+ return js;
+ }
+
+ public void setContentByRemoteJSON(JSONObject js) {
+ if (js != null) {
+ try {
+ // id
+ if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
+ setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
+ }
+
+ // last_modified
+ if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) {
+ setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED));
+ }
+
+ // name
+ if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) {
+ setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
+ }
+
+ // notes
+ if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) {
+ setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES));
+ }
+
+ // deleted
+ if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) {
+ setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED));
+ }
+
+ // completed
+ if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) {
+ setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED));
+ }
+ } catch (JSONException e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ throw new ActionFailureException("fail to get task content from jsonobject");
+ }
+ }
+ }
+
+ public void setContentByLocalJSON(JSONObject js) {
+ if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)
+ || !js.has(GTaskStringUtils.META_HEAD_DATA)) {
+ Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");
+ }
+
+ try {
+ JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
+ JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
+
+ if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_NOTE) {
+ Log.e(TAG, "invalid type");
+ return;
+ }
+
+ for (int i = 0; i < dataArray.length(); i++) {
+ JSONObject data = dataArray.getJSONObject(i);
+ if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
+ setName(data.getString(DataColumns.CONTENT));
+ break;
+ }
+ }
+
+ } catch (JSONException e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ }
+ }
+
+ public JSONObject getLocalJSONFromContent() {
+ String name = getName();
+ try {
+ if (mMetaInfo == null) {
+ // new task created from web
+ if (name == null) {
+ Log.w(TAG, "the note seems to be an empty one");
+ return null;
+ }
+
+ JSONObject js = new JSONObject();
+ JSONObject note = new JSONObject();
+ JSONArray dataArray = new JSONArray();
+ JSONObject data = new JSONObject();
+ data.put(DataColumns.CONTENT, name);
+ dataArray.put(data);
+ js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
+ note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
+ js.put(GTaskStringUtils.META_HEAD_NOTE, note);
+ return js;
+ } else {
+ // synced task
+ JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
+ JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
+
+ for (int i = 0; i < dataArray.length(); i++) {
+ JSONObject data = dataArray.getJSONObject(i);
+ if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
+ data.put(DataColumns.CONTENT, getName());
+ break;
+ }
+ }
+
+ note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
+ return mMetaInfo;
+ }
+ } catch (JSONException e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ public void setMetaInfo(MetaData metaData) {
+ if (metaData != null && metaData.getNotes() != null) {
+ try {
+ mMetaInfo = new JSONObject(metaData.getNotes());
+ } catch (JSONException e) {
+ Log.w(TAG, e.toString());
+ mMetaInfo = null;
+ }
+ }
+ }
+
+ public int getSyncAction(Cursor c) {
+ try {
+ JSONObject noteInfo = null;
+ if (mMetaInfo != null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) {
+ noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
+ }
+
+ if (noteInfo == null) {
+ Log.w(TAG, "it seems that note meta has been deleted");
+ return SYNC_ACTION_UPDATE_REMOTE;
+ }
+
+ if (!noteInfo.has(NoteColumns.ID)) {
+ Log.w(TAG, "remote note id seems to be deleted");
+ return SYNC_ACTION_UPDATE_LOCAL;
+ }
+
+ // validate the note id now
+ if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) {
+ Log.w(TAG, "note id doesn't match");
+ return SYNC_ACTION_UPDATE_LOCAL;
+ }
+
+ if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
+ // there is no local update
+ if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
+ // no update both side
+ return SYNC_ACTION_NONE;
+ } else {
+ // apply remote to local
+ return SYNC_ACTION_UPDATE_LOCAL;
+ }
+ } else {
+ // validate gtask id
+ if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
+ Log.e(TAG, "gtask id doesn't match");
+ return SYNC_ACTION_ERROR;
+ }
+ if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
+ // local modification only
+ return SYNC_ACTION_UPDATE_REMOTE;
+ } else {
+ return SYNC_ACTION_UPDATE_CONFLICT;
+ }
+ }
+ } catch (Exception e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ }
+
+ return SYNC_ACTION_ERROR;
+ }
+
+ public boolean isWorthSaving() {
+ return mMetaInfo != null || (getName() != null && getName().trim().length() > 0)
+ || (getNotes() != null && getNotes().trim().length() > 0);
+ }
+
+ public void setCompleted(boolean completed) {
+ this.mCompleted = completed;
+ }
+
+ public void setNotes(String notes) {
+ this.mNotes = notes;
+ }
+
+ public void setPriorSibling(Task priorSibling) {
+ this.mPriorSibling = priorSibling;
+ }
+
+ public void setParent(TaskList parent) {
+ this.mParent = parent;
+ }
+
+ public boolean getCompleted() {
+ return this.mCompleted;
+ }
+
+ public String getNotes() {
+ return this.mNotes;
+ }
+
+ public Task getPriorSibling() {
+ return this.mPriorSibling;
+ }
+
+ public TaskList getParent() {
+ return this.mParent;
+ }
+
+}
diff --git a/java/net/micode/notes/gtask/data/TaskList.java b/java/net/micode/notes/gtask/data/TaskList.java
new file mode 100644
index 0000000..4ea21c5
--- /dev/null
+++ b/java/net/micode/notes/gtask/data/TaskList.java
@@ -0,0 +1,343 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.gtask.data;
+
+import android.database.Cursor;
+import android.util.Log;
+
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.gtask.exception.ActionFailureException;
+import net.micode.notes.tool.GTaskStringUtils;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+
+
+public class TaskList extends Node {
+ private static final String TAG = TaskList.class.getSimpleName();
+
+ private int mIndex;
+
+ private ArrayList mChildren;
+
+ public TaskList() {
+ super();
+ mChildren = new ArrayList();
+ mIndex = 1;
+ }
+
+ public JSONObject getCreateAction(int actionId) {
+ JSONObject js = new JSONObject();
+
+ try {
+ // action_type
+ js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
+ GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE);
+
+ // action_id
+ js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
+
+ // index
+ js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex);
+
+ // entity_delta
+ JSONObject entity = new JSONObject();
+ entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
+ entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
+ entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE,
+ GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
+ js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
+
+ } catch (JSONException e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ throw new ActionFailureException("fail to generate tasklist-create jsonobject");
+ }
+
+ return js;
+ }
+
+ public JSONObject getUpdateAction(int actionId) {
+ JSONObject js = new JSONObject();
+
+ try {
+ // action_type
+ js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
+ GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE);
+
+ // action_id
+ js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
+
+ // id
+ js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
+
+ // entity_delta
+ JSONObject entity = new JSONObject();
+ entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
+ entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted());
+ js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
+
+ } catch (JSONException e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ throw new ActionFailureException("fail to generate tasklist-update jsonobject");
+ }
+
+ return js;
+ }
+
+ public void setContentByRemoteJSON(JSONObject js) {
+ if (js != null) {
+ try {
+ // id
+ if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
+ setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
+ }
+
+ // last_modified
+ if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) {
+ setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED));
+ }
+
+ // name
+ if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) {
+ setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
+ }
+
+ } catch (JSONException e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ throw new ActionFailureException("fail to get tasklist content from jsonobject");
+ }
+ }
+ }
+
+ public void setContentByLocalJSON(JSONObject js) {
+ if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)) {
+ Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");
+ }
+
+ try {
+ JSONObject folder = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
+
+ if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) {
+ String name = folder.getString(NoteColumns.SNIPPET);
+ setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + name);
+ } else if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) {
+ if (folder.getLong(NoteColumns.ID) == Notes.ID_ROOT_FOLDER)
+ setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT);
+ else if (folder.getLong(NoteColumns.ID) == Notes.ID_CALL_RECORD_FOLDER)
+ setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX
+ + GTaskStringUtils.FOLDER_CALL_NOTE);
+ else
+ Log.e(TAG, "invalid system folder");
+ } else {
+ Log.e(TAG, "error type");
+ }
+ } catch (JSONException e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ }
+ }
+
+ public JSONObject getLocalJSONFromContent() {
+ try {
+ JSONObject js = new JSONObject();
+ JSONObject folder = new JSONObject();
+
+ String folderName = getName();
+ if (getName().startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX))
+ folderName = folderName.substring(GTaskStringUtils.MIUI_FOLDER_PREFFIX.length(),
+ folderName.length());
+ folder.put(NoteColumns.SNIPPET, folderName);
+ if (folderName.equals(GTaskStringUtils.FOLDER_DEFAULT)
+ || folderName.equals(GTaskStringUtils.FOLDER_CALL_NOTE))
+ folder.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
+ else
+ folder.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
+
+ js.put(GTaskStringUtils.META_HEAD_NOTE, folder);
+
+ return js;
+ } catch (JSONException e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ public int getSyncAction(Cursor c) {
+ try {
+ if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
+ // there is no local update
+ if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
+ // no update both side
+ return SYNC_ACTION_NONE;
+ } else {
+ // apply remote to local
+ return SYNC_ACTION_UPDATE_LOCAL;
+ }
+ } else {
+ // validate gtask id
+ if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
+ Log.e(TAG, "gtask id doesn't match");
+ return SYNC_ACTION_ERROR;
+ }
+ if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
+ // local modification only
+ return SYNC_ACTION_UPDATE_REMOTE;
+ } else {
+ // for folder conflicts, just apply local modification
+ return SYNC_ACTION_UPDATE_REMOTE;
+ }
+ }
+ } catch (Exception e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ }
+
+ return SYNC_ACTION_ERROR;
+ }
+
+ public int getChildTaskCount() {
+ return mChildren.size();
+ }
+
+ public boolean addChildTask(Task task) {
+ boolean ret = false;
+ if (task != null && !mChildren.contains(task)) {
+ ret = mChildren.add(task);
+ if (ret) {
+ // need to set prior sibling and parent
+ task.setPriorSibling(mChildren.isEmpty() ? null : mChildren
+ .get(mChildren.size() - 1));
+ task.setParent(this);
+ }
+ }
+ return ret;
+ }
+
+ public boolean addChildTask(Task task, int index) {
+ if (index < 0 || index > mChildren.size()) {
+ Log.e(TAG, "add child task: invalid index");
+ return false;
+ }
+
+ int pos = mChildren.indexOf(task);
+ if (task != null && pos == -1) {
+ mChildren.add(index, task);
+
+ // update the task list
+ Task preTask = null;
+ Task afterTask = null;
+ if (index != 0)
+ preTask = mChildren.get(index - 1);
+ if (index != mChildren.size() - 1)
+ afterTask = mChildren.get(index + 1);
+
+ task.setPriorSibling(preTask);
+ if (afterTask != null)
+ afterTask.setPriorSibling(task);
+ }
+
+ return true;
+ }
+
+ public boolean removeChildTask(Task task) {
+ boolean ret = false;
+ int index = mChildren.indexOf(task);
+ if (index != -1) {
+ ret = mChildren.remove(task);
+
+ if (ret) {
+ // reset prior sibling and parent
+ task.setPriorSibling(null);
+ task.setParent(null);
+
+ // update the task list
+ if (index != mChildren.size()) {
+ mChildren.get(index).setPriorSibling(
+ index == 0 ? null : mChildren.get(index - 1));
+ }
+ }
+ }
+ return ret;
+ }
+
+ 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));
+ }
+
+ public Task findChildTaskByGid(String gid) {
+ for (int i = 0; i < mChildren.size(); i++) {
+ Task t = mChildren.get(i);
+ if (t.getGid().equals(gid)) {
+ return t;
+ }
+ }
+ return null;
+ }
+
+ public int getChildTaskIndex(Task task) {
+ return mChildren.indexOf(task);
+ }
+
+ public Task getChildTaskByIndex(int index) {
+ if (index < 0 || index >= mChildren.size()) {
+ Log.e(TAG, "getTaskByIndex: invalid index");
+ return null;
+ }
+ return mChildren.get(index);
+ }
+
+ public Task getChilTaskByGid(String gid) {
+ for (Task task : mChildren) {
+ if (task.getGid().equals(gid))
+ return task;
+ }
+ return null;
+ }
+
+ public ArrayList getChildTaskList() {
+ return this.mChildren;
+ }
+
+ public void setIndex(int index) {
+ this.mIndex = index;
+ }
+
+ public int getIndex() {
+ return this.mIndex;
+ }
+}
diff --git a/java/net/micode/notes/gtask/exception/ActionFailureException.java b/java/net/micode/notes/gtask/exception/ActionFailureException.java
new file mode 100644
index 0000000..15504be
--- /dev/null
+++ b/java/net/micode/notes/gtask/exception/ActionFailureException.java
@@ -0,0 +1,33 @@
+/*
+ * 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;
+
+public class ActionFailureException extends RuntimeException {
+ private static final long serialVersionUID = 4425249765923293627L;
+
+ public ActionFailureException() {
+ super();
+ }
+
+ public ActionFailureException(String paramString) {
+ super(paramString);
+ }
+
+ public ActionFailureException(String paramString, Throwable paramThrowable) {
+ super(paramString, paramThrowable);
+ }
+}
diff --git a/java/net/micode/notes/gtask/exception/NetworkFailureException.java b/java/net/micode/notes/gtask/exception/NetworkFailureException.java
new file mode 100644
index 0000000..b08cfb1
--- /dev/null
+++ b/java/net/micode/notes/gtask/exception/NetworkFailureException.java
@@ -0,0 +1,33 @@
+/*
+ * 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;
+
+public class NetworkFailureException extends Exception {
+ private static final long serialVersionUID = 2107610287180234136L;
+
+ public NetworkFailureException() {
+ super();
+ }
+
+ public NetworkFailureException(String paramString) {
+ super(paramString);
+ }
+
+ public NetworkFailureException(String paramString, Throwable paramThrowable) {
+ super(paramString, paramThrowable);
+ }
+}
diff --git a/java/net/micode/notes/gtask/remote/GTaskASyncTask.java b/java/net/micode/notes/gtask/remote/GTaskASyncTask.java
new file mode 100644
index 0000000..4dd3b98
--- /dev/null
+++ b/java/net/micode/notes/gtask/remote/GTaskASyncTask.java
@@ -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.NotificationChannel;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.content.Context;
+import android.content.Intent;
+import android.os.AsyncTask;
+import android.os.Build;
+
+import androidx.core.app.NotificationCompat;
+
+import net.micode.notes.R;
+import net.micode.notes.ui.NotesListActivity;
+import net.micode.notes.ui.NotesPreferenceActivity;
+
+
+public class GTaskASyncTask extends AsyncTask {
+
+ private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
+ private static final String CHANNEL_ID = "gtask_sync_channel"; // 新增通知渠道ID
+
+ public interface OnCompleteListener {
+ void onComplete();
+ }
+
+ private Context mContext;
+
+ private NotificationManager mNotifiManager;
+
+ private GTaskManager mTaskManager;
+
+ private OnCompleteListener mOnCompleteListener;
+
+ public GTaskASyncTask(Context context, OnCompleteListener listener) {
+ mContext = context;
+ mOnCompleteListener = listener;
+ mNotifiManager = (NotificationManager) mContext
+ .getSystemService(Context.NOTIFICATION_SERVICE);
+ mTaskManager = GTaskManager.getInstance();
+ // 初始化通知渠道(仅Android 8.0+需要)
+ createNotificationChannel();
+ }
+
+ // 新增:创建通知渠道
+ private void createNotificationChannel() {
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+ CharSequence name = mContext.getString(R.string.app_name); // 渠道名称
+ String description = "GTask同步通知"; // 渠道描述
+ int importance = NotificationManager.IMPORTANCE_DEFAULT;
+ NotificationChannel channel = new NotificationChannel(CHANNEL_ID, name, importance);
+ channel.setDescription(description);
+ // 向系统注册渠道
+ if (mNotifiManager != null) {
+ mNotifiManager.createNotificationChannel(channel);
+ }
+ }
+ }
+
+ public void cancelSync() {
+ mTaskManager.cancelSync();
+ }
+
+ public void publishProgess(String message) {
+ publishProgress(new String[] {
+ message
+ });
+ }
+
+ private void showNotification(int tickerId, String content) {
+ // 替换为NotificationCompat.Builder构建通知
+ NotificationCompat.Builder builder = new NotificationCompat.Builder(mContext, CHANNEL_ID)
+ .setSmallIcon(R.drawable.notification) // 保持原图标
+ .setContentTitle(mContext.getString(R.string.app_name)) // 原标题
+ .setContentText(content) // 原内容
+ .setTicker(mContext.getString(tickerId)) // 原滚动提示文字
+ .setWhen(System.currentTimeMillis()) // 原时间戳
+ .setDefaults(Notification.DEFAULT_LIGHTS) // 保持原灯光效果
+ .setAutoCancel(true); // 保持点击自动取消
+
+ // 设置跳转意图(保持原逻辑)
+ PendingIntent pendingIntent;
+ if (tickerId != R.string.ticker_success) {
+ pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
+ NotesPreferenceActivity.class), PendingIntent.FLAG_IMMUTABLE); // 适配高版本
+ } else {
+ pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
+ NotesListActivity.class), PendingIntent.FLAG_IMMUTABLE); // 适配高版本
+ }
+ builder.setContentIntent(pendingIntent);
+
+ // 发送通知(保持原ID)
+ mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, builder.build());
+ }
+
+ @Override
+ protected Integer doInBackground(Void... unused) {
+ publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
+ .getSyncAccountName(mContext)));
+ return mTaskManager.sync(mContext, this);
+ }
+
+ @Override
+ protected void onProgressUpdate(String... progress) {
+ showNotification(R.string.ticker_syncing, progress[0]);
+ if (mContext instanceof GTaskSyncService) {
+ ((GTaskSyncService) mContext).sendBroadcast(progress[0]);
+ }
+ }
+
+ @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();
+ }
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/gtask/remote/GTaskClient.java b/java/net/micode/notes/gtask/remote/GTaskClient.java
new file mode 100644
index 0000000..c67dfdf
--- /dev/null
+++ b/java/net/micode/notes/gtask/remote/GTaskClient.java
@@ -0,0 +1,585 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.gtask.remote;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.accounts.AccountManagerFuture;
+import android.app.Activity;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.util.Log;
+
+import net.micode.notes.gtask.data.Node;
+import net.micode.notes.gtask.data.Task;
+import net.micode.notes.gtask.data.TaskList;
+import net.micode.notes.gtask.exception.ActionFailureException;
+import net.micode.notes.gtask.exception.NetworkFailureException;
+import net.micode.notes.tool.GTaskStringUtils;
+import net.micode.notes.ui.NotesPreferenceActivity;
+
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.ClientProtocolException;
+import org.apache.http.client.entity.UrlEncodedFormEntity;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.cookie.Cookie;
+import org.apache.http.impl.client.BasicCookieStore;
+import org.apache.http.impl.client.DefaultHttpClient;
+import org.apache.http.message.BasicNameValuePair;
+import org.apache.http.params.BasicHttpParams;
+import org.apache.http.params.HttpConnectionParams;
+import org.apache.http.params.HttpParams;
+import org.apache.http.params.HttpProtocolParams;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.zip.GZIPInputStream;
+import java.util.zip.Inflater;
+import java.util.zip.InflaterInputStream;
+
+
+public class GTaskClient {
+ private static final String TAG = GTaskClient.class.getSimpleName();
+
+ private static final String GTASK_URL = "https://mail.google.com/tasks/";
+
+ private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig";
+
+ private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig";
+
+ private static GTaskClient mInstance = null;
+
+ private DefaultHttpClient mHttpClient;
+
+ private String mGetUrl;
+
+ private String mPostUrl;
+
+ private long mClientVersion;
+
+ private boolean mLoggedin;
+
+ private long mLastLoginTime;
+
+ private int mActionId;
+
+ private Account mAccount;
+
+ private JSONArray mUpdateArray;
+
+ private GTaskClient() {
+ mHttpClient = null;
+ mGetUrl = GTASK_GET_URL;
+ mPostUrl = GTASK_POST_URL;
+ mClientVersion = -1;
+ mLoggedin = false;
+ mLastLoginTime = 0;
+ mActionId = 1;
+ mAccount = null;
+ mUpdateArray = null;
+ }
+
+ public static synchronized GTaskClient getInstance() {
+ if (mInstance == null) {
+ mInstance = new GTaskClient();
+ }
+ return mInstance;
+ }
+
+ public boolean login(Activity activity) {
+ // we suppose that the cookie would expire after 5 minutes
+ // then we need to re-login
+ final long interval = 1000 * 60 * 5;
+ if (mLastLoginTime + interval < System.currentTimeMillis()) {
+ mLoggedin = false;
+ }
+
+ // need to re-login after account switch
+ 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;
+ }
+
+ // login with custom domain if necessary
+ 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;
+ }
+ }
+
+ // try to login with google official url
+ if (!mLoggedin) {
+ mGetUrl = GTASK_GET_URL;
+ mPostUrl = GTASK_POST_URL;
+ if (!tryToLoginGtask(activity, authToken)) {
+ return false;
+ }
+ }
+
+ mLoggedin = true;
+ return true;
+ }
+
+ 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;
+ }
+
+ // get the token now
+ AccountManagerFuture 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);
+ loginGoogleAccount(activity, false);
+ }
+ } catch (Exception e) {
+ Log.e(TAG, "get auth token failed");
+ authToken = null;
+ }
+
+ return authToken;
+ }
+
+ private boolean tryToLoginGtask(Activity activity, String authToken) {
+ if (!loginGtask(authToken)) {
+ // maybe the auth token is out of date, now let's invalidate the
+ // token and try again
+ 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;
+ }
+
+ 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);
+
+ // login gtask
+ try {
+ String loginUrl = mGetUrl + "?auth=" + authToken;
+ HttpGet httpGet = new HttpGet(loginUrl);
+ HttpResponse response = null;
+ response = mHttpClient.execute(httpGet);
+
+ // get the cookie now
+ List cookies = mHttpClient.getCookieStore().getCookies();
+ boolean hasAuthCookie = false;
+ for (Cookie cookie : cookies) {
+ if (cookie.getName().contains("GTL")) {
+ hasAuthCookie = true;
+ }
+ }
+ if (!hasAuthCookie) {
+ Log.w(TAG, "it seems that there is no auth cookie");
+ }
+
+ // get the client version
+ String resString = getResponseContent(response.getEntity());
+ String jsBegin = "_setup(";
+ String jsEnd = ")}";
+ int begin = resString.indexOf(jsBegin);
+ int end = resString.lastIndexOf(jsEnd);
+ String jsString = null;
+ if (begin != -1 && end != -1 && begin < end) {
+ jsString = resString.substring(begin + jsBegin.length(), end);
+ }
+ JSONObject js = new JSONObject(jsString);
+ mClientVersion = js.getLong("v");
+ } catch (JSONException e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ return false;
+ } catch (Exception e) {
+ // simply catch all exceptions
+ Log.e(TAG, "httpget gtask_url failed");
+ return false;
+ }
+
+ return true;
+ }
+
+ private int getActionId() {
+ return mActionId++;
+ }
+
+ 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;
+ }
+
+ 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();
+ }
+ }
+
+ 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 list = new LinkedList();
+ list.add(new BasicNameValuePair("r", js.toString()));
+ UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8");
+ httpPost.setEntity(entity);
+
+ // execute the post
+ 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");
+ }
+ }
+
+ public void createTask(Task task) throws NetworkFailureException {
+ commitUpdate();
+ try {
+ JSONObject jsPost = new JSONObject();
+ JSONArray actionList = new JSONArray();
+
+ // action_list
+ actionList.put(task.getCreateAction(getActionId()));
+ jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
+
+ // client_version
+ jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
+
+ // post
+ JSONObject jsResponse = postRequest(jsPost);
+ JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
+ GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
+ task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
+
+ } catch (JSONException e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ throw new ActionFailureException("create task: handing jsonobject failed");
+ }
+ }
+
+ public void createTaskList(TaskList tasklist) throws NetworkFailureException {
+ commitUpdate();
+ try {
+ JSONObject jsPost = new JSONObject();
+ JSONArray actionList = new JSONArray();
+
+ // action_list
+ actionList.put(tasklist.getCreateAction(getActionId()));
+ jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
+
+ // client version
+ jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
+
+ // post
+ JSONObject jsResponse = postRequest(jsPost);
+ JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
+ GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
+ tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
+
+ } catch (JSONException e) {
+ Log.e(TAG, e.toString());
+ e.printStackTrace();
+ throw new ActionFailureException("create tasklist: handing jsonobject failed");
+ }
+ }
+
+ 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");
+ }
+ }
+ }
+
+ public void addUpdateNode(Node node) throws NetworkFailureException {
+ if (node != null) {
+ // too many update items may result in an error
+ // set max to 10 items
+ if (mUpdateArray != null && mUpdateArray.length() > 10) {
+ commitUpdate();
+ }
+
+ if (mUpdateArray == null)
+ mUpdateArray = new JSONArray();
+ mUpdateArray.put(node.getUpdateAction(getActionId()));
+ }
+ }
+
+ public void moveTask(Task task, TaskList preParent, TaskList curParent)
+ throws NetworkFailureException {
+ commitUpdate();
+ try {
+ JSONObject jsPost = new JSONObject();
+ JSONArray actionList = new JSONArray();
+ JSONObject action = new JSONObject();
+
+ // action_list
+ action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
+ GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE);
+ action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
+ action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid());
+ if (preParent == curParent && task.getPriorSibling() != null) {
+ // put prioring_sibing_id only if moving within the tasklist and
+ // it is not the first one
+ 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) {
+ // put the dest_list only if moving between tasklists
+ 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");
+ }
+ }
+
+ 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");
+ }
+ }
+
+ public JSONArray getTaskLists() throws NetworkFailureException {
+ if (!mLoggedin) {
+ Log.e(TAG, "please login first");
+ throw new ActionFailureException("not logged in");
+ }
+
+ try {
+ HttpGet httpGet = new HttpGet(mGetUrl);
+ HttpResponse response = null;
+ response = mHttpClient.execute(httpGet);
+
+ // get the task list
+ String resString = getResponseContent(response.getEntity());
+ String jsBegin = "_setup(";
+ String jsEnd = ")}";
+ int begin = resString.indexOf(jsBegin);
+ int end = resString.lastIndexOf(jsEnd);
+ String jsString = null;
+ if (begin != -1 && end != -1 && begin < end) {
+ jsString = resString.substring(begin + jsBegin.length(), end);
+ }
+ JSONObject js = new JSONObject(jsString);
+ 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");
+ }
+ }
+
+ 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");
+ }
+ }
+
+ public Account getSyncAccount() {
+ return mAccount;
+ }
+
+ public void resetUpdateArray() {
+ mUpdateArray = null;
+ }
+}
diff --git a/java/net/micode/notes/gtask/remote/GTaskManager.java b/java/net/micode/notes/gtask/remote/GTaskManager.java
new file mode 100644
index 0000000..d2b4082
--- /dev/null
+++ b/java/net/micode/notes/gtask/remote/GTaskManager.java
@@ -0,0 +1,800 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.gtask.remote;
+
+import android.app.Activity;
+import android.content.ContentResolver;
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.util.Log;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.DataColumns;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.gtask.data.MetaData;
+import net.micode.notes.gtask.data.Node;
+import net.micode.notes.gtask.data.SqlNote;
+import net.micode.notes.gtask.data.Task;
+import net.micode.notes.gtask.data.TaskList;
+import net.micode.notes.gtask.exception.ActionFailureException;
+import net.micode.notes.gtask.exception.NetworkFailureException;
+import net.micode.notes.tool.DataUtils;
+import net.micode.notes.tool.GTaskStringUtils;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Map;
+
+
+public class GTaskManager {
+ private static final String TAG = GTaskManager.class.getSimpleName();
+
+ public static final int STATE_SUCCESS = 0;
+
+ public static final int STATE_NETWORK_ERROR = 1;
+
+ public static final int STATE_INTERNAL_ERROR = 2;
+
+ public static final int STATE_SYNC_IN_PROGRESS = 3;
+
+ public static final int STATE_SYNC_CANCELLED = 4;
+
+ private static GTaskManager mInstance = null;
+
+ private Activity mActivity;
+
+ private Context mContext;
+
+ private ContentResolver mContentResolver;
+
+ private boolean mSyncing;
+
+ private boolean mCancelled;
+
+ private HashMap mGTaskListHashMap;
+
+ private HashMap mGTaskHashMap;
+
+ private HashMap mMetaHashMap;
+
+ private TaskList mMetaList;
+
+ private HashSet mLocalDeleteIdMap;
+
+ private HashMap mGidToNid;
+
+ private HashMap mNidToGid;
+
+ private GTaskManager() {
+ mSyncing = false;
+ mCancelled = false;
+ mGTaskListHashMap = new HashMap();
+ mGTaskHashMap = new HashMap();
+ mMetaHashMap = new HashMap();
+ mMetaList = null;
+ mLocalDeleteIdMap = new HashSet();
+ mGidToNid = new HashMap();
+ mNidToGid = new HashMap();
+ }
+
+ 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> iter = mGTaskHashMap.entrySet().iterator();
+ while (iter.hasNext()) {
+ Map.Entry entry = iter.next();
+ node = entry.getValue();
+ doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
+ }
+
+ // mCancelled can be set by another thread, so we neet to check one by
+ // 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> iter = mGTaskListHashMap.entrySet().iterator();
+ while (iter.hasNext()) {
+ Map.Entry entry = iter.next();
+ gid = entry.getKey();
+ node = entry.getValue();
+ if (mGTaskHashMap.containsKey(gid)) {
+ mGTaskHashMap.remove(gid);
+ doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
+ }
+ }
+
+ if (!mCancelled)
+ GTaskClient.getInstance().commitUpdate();
+ }
+
+ 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> iter = mGTaskListHashMap.entrySet().iterator();
+ while (iter.hasNext()) {
+ Map.Entry entry = iter.next();
+ String gid = entry.getKey();
+ TaskList list = entry.getValue();
+
+ if (list.getName().equals(folderName)) {
+ tasklist = list;
+ if (mGTaskHashMap.containsKey(gid)) {
+ mGTaskHashMap.remove(gid);
+ }
+ break;
+ }
+ }
+
+ // no match we can add now
+ if (tasklist == null) {
+ tasklist = new TaskList();
+ tasklist.setContentByLocalJSON(sqlNote.getContent());
+ GTaskClient.getInstance().createTaskList(tasklist);
+ mGTaskListHashMap.put(tasklist.getGid(), tasklist);
+ }
+ n = (Node) tasklist;
+ }
+
+ // update local note
+ sqlNote.setGtaskId(n.getGid());
+ sqlNote.commit(false);
+ sqlNote.resetLocalModified();
+ sqlNote.commit(true);
+
+ // gid-id mapping
+ mGidToNid.put(n.getGid(), sqlNote.getId());
+ mNidToGid.put(sqlNote.getId(), n.getGid());
+ }
+
+ private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException {
+ if (mCancelled) {
+ return;
+ }
+
+ SqlNote sqlNote = new SqlNote(mContext, c);
+
+ // update remotely
+ node.setContentByLocalJSON(sqlNote.getContent());
+ GTaskClient.getInstance().addUpdateNode(node);
+
+ // update meta
+ updateRemoteMeta(node.getGid(), sqlNote);
+
+ // move task if necessary
+ if (sqlNote.isNoteType()) {
+ Task task = (Task) node;
+ TaskList preParentList = task.getParent();
+
+ String curParentGid = mNidToGid.get(sqlNote.getParentId());
+ if (curParentGid == null) {
+ Log.e(TAG, "cannot find task's parent tasklist");
+ throw new ActionFailureException("cannot update remote task");
+ }
+ TaskList curParentList = mGTaskListHashMap.get(curParentGid);
+
+ if (preParentList != curParentList) {
+ preParentList.removeChildTask(task);
+ curParentList.addChildTask(task);
+ GTaskClient.getInstance().moveTask(task, preParentList, curParentList);
+ }
+ }
+
+ // clear local modified flag
+ sqlNote.resetLocalModified();
+ sqlNote.commit(true);
+ }
+
+ private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException {
+ if (sqlNote != null && sqlNote.isNoteType()) {
+ MetaData metaData = mMetaHashMap.get(gid);
+ if (metaData != null) {
+ metaData.setMeta(gid, sqlNote.getContent());
+ GTaskClient.getInstance().addUpdateNode(metaData);
+ } else {
+ metaData = new MetaData();
+ metaData.setMeta(gid, sqlNote.getContent());
+ mMetaList.addChildTask(metaData);
+ mMetaHashMap.put(gid, metaData);
+ GTaskClient.getInstance().createTask(metaData);
+ }
+ }
+ }
+
+ private void refreshLocalSyncId() throws NetworkFailureException {
+ if (mCancelled) {
+ return;
+ }
+
+ // get the latest gtask list
+ mGTaskHashMap.clear();
+ mGTaskListHashMap.clear();
+ mMetaHashMap.clear();
+ initGTaskList();
+
+ Cursor c = null;
+ try {
+ c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
+ "(type<>? AND parent_id<>?)", new String[] {
+ String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
+ }, NoteColumns.TYPE + " DESC");
+ if (c != null) {
+ while (c.moveToNext()) {
+ String gid = c.getString(SqlNote.GTASK_ID_COLUMN);
+ Node node = mGTaskHashMap.get(gid);
+ if (node != null) {
+ mGTaskHashMap.remove(gid);
+ ContentValues values = new ContentValues();
+ values.put(NoteColumns.SYNC_ID, node.getLastModified());
+ mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
+ c.getLong(SqlNote.ID_COLUMN)), values, null, null);
+ } else {
+ Log.e(TAG, "something is missed");
+ throw new ActionFailureException(
+ "some local items don't have gid after sync");
+ }
+ }
+ } else {
+ Log.w(TAG, "failed to query local note to refresh sync id");
+ }
+ } finally {
+ if (c != null) {
+ c.close();
+ c = null;
+ }
+ }
+ }
+
+ public String getSyncAccount() {
+ return GTaskClient.getInstance().getSyncAccount().name;
+ }
+
+ public void cancelSync() {
+ mCancelled = true;
+ }
+}
diff --git a/java/net/micode/notes/gtask/remote/GTaskSyncService.java b/java/net/micode/notes/gtask/remote/GTaskSyncService.java
new file mode 100644
index 0000000..cca36f7
--- /dev/null
+++ b/java/net/micode/notes/gtask/remote/GTaskSyncService.java
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.gtask.remote;
+
+import android.app.Activity;
+import android.app.Service;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.IBinder;
+
+public class GTaskSyncService extends Service {
+ public final static String ACTION_STRING_NAME = "sync_action_type";
+
+ public final static int ACTION_START_SYNC = 0;
+
+ public final static int ACTION_CANCEL_SYNC = 1;
+
+ public final static int ACTION_INVALID = 2;
+
+ public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service";
+
+ public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing";
+
+ public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg";
+
+ private static GTaskASyncTask mSyncTask = null;
+
+ private static String mSyncProgress = "";
+
+ private void startSync() {
+ if (mSyncTask == null) {
+ mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {
+ public void onComplete() {
+ mSyncTask = null;
+ sendBroadcast("");
+ stopSelf();
+ }
+ });
+ sendBroadcast("");
+ mSyncTask.execute();
+ }
+ }
+
+ private void cancelSync() {
+ if (mSyncTask != null) {
+ mSyncTask.cancelSync();
+ }
+ }
+
+ @Override
+ public void onCreate() {
+ mSyncTask = null;
+ }
+
+ @Override
+ public int onStartCommand(Intent intent, int flags, int startId) {
+ Bundle bundle = intent.getExtras();
+ if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) {
+ switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) {
+ case ACTION_START_SYNC:
+ startSync();
+ break;
+ case ACTION_CANCEL_SYNC:
+ cancelSync();
+ break;
+ default:
+ break;
+ }
+ return START_STICKY;
+ }
+ return super.onStartCommand(intent, flags, startId);
+ }
+
+ @Override
+ public void onLowMemory() {
+ if (mSyncTask != null) {
+ mSyncTask.cancelSync();
+ }
+ }
+
+ public IBinder onBind(Intent intent) {
+ return null;
+ }
+
+ public void sendBroadcast(String msg) {
+ mSyncProgress = msg;
+ Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME);
+ intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null);
+ intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg);
+ sendBroadcast(intent);
+ }
+
+ public static void startSync(Activity activity) {
+ GTaskManager.getInstance().setActivityContext(activity);
+ Intent intent = new Intent(activity, GTaskSyncService.class);
+ intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC);
+ activity.startService(intent);
+ }
+
+ public static void cancelSync(Context context) {
+ Intent intent = new Intent(context, GTaskSyncService.class);
+ intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC);
+ context.startService(intent);
+ }
+
+ public static boolean isSyncing() {
+ return mSyncTask != null;
+ }
+
+ public static String getProgressString() {
+ return mSyncProgress;
+ }
+}
diff --git a/java/net/micode/notes/model/Note.java b/java/net/micode/notes/model/Note.java
new file mode 100644
index 0000000..6706cf6
--- /dev/null
+++ b/java/net/micode/notes/model/Note.java
@@ -0,0 +1,253 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.model;
+import android.content.ContentProviderOperation;
+import android.content.ContentProviderResult;
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.OperationApplicationException;
+import android.net.Uri;
+import android.os.RemoteException;
+import android.util.Log;
+
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.CallNote;
+import net.micode.notes.data.Notes.DataColumns;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.data.Notes.TextNote;
+
+import java.util.ArrayList;
+
+
+public class Note {
+ private ContentValues mNoteDiffValues;
+ private NoteData mNoteData;
+ private static final String TAG = "Note";
+ /**
+ * Create a new note id for adding a new note to databases
+ */
+ public static synchronized long getNewNoteId(Context context, long folderId) {
+ // Create a new note in the database
+ ContentValues values = new ContentValues();
+ long createdTime = System.currentTimeMillis();
+ values.put(NoteColumns.CREATED_DATE, createdTime);
+ values.put(NoteColumns.MODIFIED_DATE, createdTime);
+ values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
+ values.put(NoteColumns.LOCAL_MODIFIED, 1);
+ values.put(NoteColumns.PARENT_ID, folderId);
+ Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
+
+ long noteId = 0;
+ try {
+ noteId = Long.valueOf(uri.getPathSegments().get(1));
+ } catch (NumberFormatException e) {
+ Log.e(TAG, "Get note id error :" + e.toString());
+ noteId = 0;
+ }
+ if (noteId == -1) {
+ throw new IllegalStateException("Wrong note id:" + noteId);
+ }
+ return noteId;
+ }
+
+ public Note() {
+ mNoteDiffValues = new ContentValues();
+ mNoteData = new NoteData();
+ }
+
+ public void setNoteValue(String key, String value) {
+ mNoteDiffValues.put(key, value);
+ mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
+ mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
+ }
+
+ public void setTextData(String key, String value) {
+ mNoteData.setTextData(key, value);
+ }
+
+ public void setTextDataId(long id) {
+ mNoteData.setTextDataId(id);
+ }
+
+ public long getTextDataId() {
+ return mNoteData.mTextDataId;
+ }
+
+ public void setCallDataId(long id) {
+ mNoteData.setCallDataId(id);
+ }
+
+ public void setCallData(String key, String value) {
+ mNoteData.setCallData(key, value);
+ }
+
+ public boolean isLocalModified() {
+ return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
+ }
+
+ public boolean syncNote(Context context, long noteId) {
+ if (noteId <= 0) {
+ throw new IllegalArgumentException("Wrong note id:" + noteId);
+ }
+
+ if (!isLocalModified()) {
+ return true;
+ }
+
+ /**
+ * In theory, once data changed, the note should be updated on {@link NoteColumns#LOCAL_MODIFIED} and
+ * {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the
+ * note data info
+ */
+ if (context.getContentResolver().update(
+ ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null,
+ null) == 0) {
+ Log.e(TAG, "Update note error, should not happen");
+ // Do not return, fall through
+ }
+ mNoteDiffValues.clear();
+
+ if (mNoteData.isLocalModified()
+ && (mNoteData.pushIntoContentResolver(context, noteId) == null)) {
+ return false;
+ }
+
+ return true;
+ }
+
+ private class NoteData {
+ private long mTextDataId;
+
+ private ContentValues mTextDataValues;
+
+ private long mCallDataId;
+
+ private ContentValues mCallDataValues;
+
+ private static final String TAG = "NoteData";
+
+ public NoteData() {
+ mTextDataValues = new ContentValues();
+ mCallDataValues = new ContentValues();
+ mTextDataId = 0;
+ mCallDataId = 0;
+ }
+
+ boolean isLocalModified() {
+ return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
+ }
+
+ void setTextDataId(long id) {
+ if(id <= 0) {
+ throw new IllegalArgumentException("Text data id should larger than 0");
+ }
+ mTextDataId = id;
+ }
+
+ void setCallDataId(long id) {
+ if (id <= 0) {
+ throw new IllegalArgumentException("Call data id should larger than 0");
+ }
+ mCallDataId = id;
+ }
+
+ void setCallData(String key, String value) {
+ mCallDataValues.put(key, value);
+ mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
+ mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
+ }
+
+ void setTextData(String key, String value) {
+ mTextDataValues.put(key, value);
+ mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
+ mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
+ }
+
+ Uri pushIntoContentResolver(Context context, long noteId) {
+ /**
+ * Check for safety
+ */
+ if (noteId <= 0) {
+ throw new IllegalArgumentException("Wrong note id:" + noteId);
+ }
+
+ ArrayList operationList = new ArrayList();
+ ContentProviderOperation.Builder builder = null;
+
+ if(mTextDataValues.size() > 0) {
+ mTextDataValues.put(DataColumns.NOTE_ID, noteId);
+ if (mTextDataId == 0) {
+ mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE);
+ Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
+ mTextDataValues);
+ try {
+ setTextDataId(Long.valueOf(uri.getPathSegments().get(1)));
+ } catch (NumberFormatException e) {
+ Log.e(TAG, "Insert new text data fail with noteId" + noteId);
+ mTextDataValues.clear();
+ return null;
+ }
+ } else {
+ builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
+ Notes.CONTENT_DATA_URI, mTextDataId));
+ builder.withValues(mTextDataValues);
+ operationList.add(builder.build());
+ }
+ mTextDataValues.clear();
+ }
+
+ if(mCallDataValues.size() > 0) {
+ mCallDataValues.put(DataColumns.NOTE_ID, noteId);
+ if (mCallDataId == 0) {
+ mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE);
+ Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
+ mCallDataValues);
+ try {
+ setCallDataId(Long.valueOf(uri.getPathSegments().get(1)));
+ } catch (NumberFormatException e) {
+ Log.e(TAG, "Insert new call data fail with noteId" + noteId);
+ mCallDataValues.clear();
+ return null;
+ }
+ } else {
+ builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
+ Notes.CONTENT_DATA_URI, mCallDataId));
+ builder.withValues(mCallDataValues);
+ operationList.add(builder.build());
+ }
+ mCallDataValues.clear();
+ }
+
+ if (operationList.size() > 0) {
+ try {
+ ContentProviderResult[] results = context.getContentResolver().applyBatch(
+ Notes.AUTHORITY, operationList);
+ return (results == null || results.length == 0 || results[0] == null) ? null
+ : ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId);
+ } catch (RemoteException e) {
+ Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+ return null;
+ } catch (OperationApplicationException e) {
+ Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+ return null;
+ }
+ }
+ return null;
+ }
+ }
+}
diff --git a/java/net/micode/notes/model/WorkingNote.java b/java/net/micode/notes/model/WorkingNote.java
new file mode 100644
index 0000000..a8e6b7b
--- /dev/null
+++ b/java/net/micode/notes/model/WorkingNote.java
@@ -0,0 +1,400 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.model;
+
+import android.appwidget.AppWidgetManager;
+import android.content.ContentUris;
+import android.content.Context;
+import android.database.Cursor;
+import android.text.TextUtils;
+import android.util.Log;
+
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.CallNote;
+import net.micode.notes.data.Notes.DataColumns;
+import net.micode.notes.data.Notes.DataConstants;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.data.Notes.TextNote;
+
+import net.micode.notes.tool.ResourceParser.NoteBgResources;
+
+
+public class WorkingNote {
+ // Note for the working note
+ private Note mNote;
+ // Note Id
+ private long mNoteId;
+ // Note content
+ private String mContent;
+ // Note mode
+ private int mMode;
+
+ private long mAlertDate;
+
+ private long mModifiedDate;
+
+ private int mBgColorId;
+
+ private int mWidgetId;
+
+ private int mWidgetType;
+
+ private long mFolderId;
+
+ private Context mContext;
+
+ private static final String TAG = "WorkingNote";
+
+ private boolean mIsDeleted;
+
+ private NoteSettingChangedListener mNoteSettingStatusListener;
+
+ public static final String[] DATA_PROJECTION = new String[] {
+ DataColumns.ID,
+ DataColumns.CONTENT,
+ DataColumns.MIME_TYPE,
+ DataColumns.DATA1,
+ DataColumns.DATA2,
+ DataColumns.DATA3,
+ DataColumns.DATA4,
+ };
+
+ public static final String[] NOTE_PROJECTION = new String[] {
+ NoteColumns.PARENT_ID,
+ NoteColumns.ALERTED_DATE,
+ NoteColumns.BG_COLOR_ID,
+ NoteColumns.WIDGET_ID,
+ NoteColumns.WIDGET_TYPE,
+ NoteColumns.MODIFIED_DATE
+ };
+
+ private static final int DATA_ID_COLUMN = 0;
+
+ private static final int DATA_CONTENT_COLUMN = 1;
+
+ private static final int DATA_MIME_TYPE_COLUMN = 2;
+
+ private static final int DATA_MODE_COLUMN = 3;
+
+ private static final int NOTE_PARENT_ID_COLUMN = 0;
+
+ private static final int NOTE_ALERTED_DATE_COLUMN = 1;
+
+ private static final int NOTE_BG_COLOR_ID_COLUMN = 2;
+
+ private static final int NOTE_WIDGET_ID_COLUMN = 3;
+
+ private static final int NOTE_WIDGET_TYPE_COLUMN = 4;
+
+ private static final int NOTE_MODIFIED_DATE_COLUMN = 5;
+
+ // New note construct
+ private WorkingNote(Context context, long folderId) {
+ mContext = context;
+ mAlertDate = 0;
+ mModifiedDate = System.currentTimeMillis();
+ mFolderId = folderId;
+ mNote = new Note();
+ mNoteId = 0;
+ mIsDeleted = false;
+ mMode = 0;
+ mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
+ }
+
+ // Existing note construct
+ private WorkingNote(Context context, long noteId, long folderId) {
+ mContext = context;
+ mNoteId = noteId;
+ mFolderId = folderId;
+ mIsDeleted = false;
+ mNote = new Note();
+ loadNote();
+ }
+
+ private void loadNote() {
+ Cursor cursor = mContext.getContentResolver().query(
+ ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null,
+ null, null);
+
+ if (cursor != null) {
+ if (cursor.moveToFirst()) {
+ mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN);
+ mBgColorId = cursor.getInt(NOTE_BG_COLOR_ID_COLUMN);
+ mWidgetId = cursor.getInt(NOTE_WIDGET_ID_COLUMN);
+ mWidgetType = cursor.getInt(NOTE_WIDGET_TYPE_COLUMN);
+ mAlertDate = cursor.getLong(NOTE_ALERTED_DATE_COLUMN);
+ mModifiedDate = cursor.getLong(NOTE_MODIFIED_DATE_COLUMN);
+ }
+ cursor.close();
+ } else {
+ Log.e(TAG, "No note with id:" + mNoteId);
+ throw new IllegalArgumentException("Unable to find note with id " + mNoteId);
+ }
+ loadNoteData();
+ }
+
+ private void loadNoteData() {
+ Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION,
+ DataColumns.NOTE_ID + "=?", new String[] {
+ String.valueOf(mNoteId)
+ }, null);
+
+ if (cursor != null) {
+ if (cursor.moveToFirst()) {
+ do {
+ String type = cursor.getString(DATA_MIME_TYPE_COLUMN);
+ if (DataConstants.NOTE.equals(type)) {
+ mContent = cursor.getString(DATA_CONTENT_COLUMN);
+ mMode = cursor.getInt(DATA_MODE_COLUMN);
+ mNote.setTextDataId(cursor.getLong(DATA_ID_COLUMN));
+ } else if (DataConstants.CALL_NOTE.equals(type)) {
+ mNote.setCallDataId(cursor.getLong(DATA_ID_COLUMN));
+ } else {
+ Log.d(TAG, "Wrong note type with type:" + type);
+ }
+ } while (cursor.moveToNext());
+ }
+ cursor.close();
+ } else {
+ Log.e(TAG, "No data with id:" + mNoteId);
+ throw new IllegalArgumentException("Unable to find note's data with id " + mNoteId);
+ }
+ }
+
+ public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId,
+ int widgetType, int defaultBgColorId) {
+ WorkingNote note = new WorkingNote(context, folderId);
+ note.setBgColorId(defaultBgColorId);
+ note.setWidgetId(widgetId);
+ note.setWidgetType(widgetType);
+ return note;
+ }
+
+ public static WorkingNote load(Context context, long id) {
+ return new WorkingNote(context, id, 0);
+ }
+
+ public synchronized boolean saveNote() {
+ if (mIsDeleted && existInDatabase()) {
+ // 如果便签已被标记为删除且存在于数据库中,则执行删除操作
+ int rows = mContext.getContentResolver().delete(
+ ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId),
+ null, null);
+ if (rows > 0) {
+ Log.d(TAG, "Deleted empty note with id:" + mNoteId);
+ } else {
+ Log.e(TAG, "Failed to delete empty note with id:" + mNoteId);
+ }
+ return true;
+ }
+
+ if (isWorthSaving()) {
+ if (!existInDatabase()) {
+ if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) {
+ Log.e(TAG, "Create new note fail with id:" + mNoteId);
+ return false;
+ }
+ }
+
+ // 更新便签数据
+ mNote.setTextData(DataColumns.CONTENT, mContent);
+
+ // 同步到数据库
+ boolean result = mNote.syncNote(mContext, mNoteId);
+
+ /**
+ * Update widget content if there exist any widget of this note
+ */
+ if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+ && mWidgetType != Notes.TYPE_WIDGET_INVALIDE
+ && mNoteSettingStatusListener != null) {
+ mNoteSettingStatusListener.onWidgetChanged();
+ }
+ return result;
+ } else {
+ return false;
+ }
+ }
+
+ public boolean existInDatabase() {
+ return mNoteId > 0;
+ }
+
+ private boolean isWorthSaving() {
+ if (mIsDeleted) {
+ return false;
+ }
+ // 如果便签不存在于数据库且内容为空,则不值得保存
+ if (!existInDatabase() && TextUtils.isEmpty(mContent)) {
+ return false;
+ }
+ // 如果便签已存在于数据库但内容为空,则需要删除它
+ if (existInDatabase() && TextUtils.isEmpty(mContent)) {
+ // 标记为需要删除
+ mIsDeleted = true;
+ return false;
+ }
+ // 如果便签已存在于数据库但未被修改,则不需要保存
+ if (existInDatabase() && !mNote.isLocalModified()) {
+ return false;
+ }
+ return true;
+ }
+
+ public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) {
+ mNoteSettingStatusListener = l;
+ }
+
+ public void setAlertDate(long date, boolean set) {
+ if (date != mAlertDate) {
+ mAlertDate = date;
+ mNote.setNoteValue(NoteColumns.ALERTED_DATE, String.valueOf(mAlertDate));
+ }
+ if (mNoteSettingStatusListener != null) {
+ mNoteSettingStatusListener.onClockAlertChanged(date, set);
+ }
+ }
+
+ public void markDeleted(boolean mark) {
+ mIsDeleted = mark;
+ if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+ && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) {
+ mNoteSettingStatusListener.onWidgetChanged();
+ }
+ }
+
+ public void setBgColorId(int id) {
+ if (id != mBgColorId) {
+ mBgColorId = id;
+ if (mNoteSettingStatusListener != null) {
+ mNoteSettingStatusListener.onBackgroundColorChanged();
+ }
+ mNote.setNoteValue(NoteColumns.BG_COLOR_ID, String.valueOf(id));
+ }
+ }
+
+ public void setCheckListMode(int mode) {
+ if (mMode != mode) {
+ if (mNoteSettingStatusListener != null) {
+ mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode);
+ }
+ mMode = mode;
+ mNote.setTextData(TextNote.MODE, String.valueOf(mMode));
+ }
+ }
+
+ public void setWidgetType(int type) {
+ if (type != mWidgetType) {
+ mWidgetType = type;
+ mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType));
+ }
+ }
+
+ public void setWidgetId(int id) {
+ if (id != mWidgetId) {
+ mWidgetId = id;
+ mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId));
+ }
+ }
+
+ public void setWorkingText(String text) {
+ if (!TextUtils.equals(mContent, text)) {
+ mContent = text;
+ mNote.setTextData(DataColumns.CONTENT, mContent);
+ }
+ }
+
+ public void convertToCallNote(String phoneNumber, long callDate) {
+ mNote.setCallData(CallNote.CALL_DATE, String.valueOf(callDate));
+ mNote.setCallData(CallNote.PHONE_NUMBER, phoneNumber);
+ mNote.setNoteValue(NoteColumns.PARENT_ID, String.valueOf(Notes.ID_CALL_RECORD_FOLDER));
+ }
+
+ public boolean hasClockAlert() {
+ return (mAlertDate > 0 ? true : false);
+ }
+
+ public String getContent() {
+ return mContent;
+ }
+
+ public long getAlertDate() {
+ return mAlertDate;
+ }
+
+ public long getModifiedDate() {
+ return mModifiedDate;
+ }
+
+ public int getBgColorResId() {
+ return NoteBgResources.getNoteBgResource(mBgColorId);
+ }
+
+ public int getBgColorId() {
+ return mBgColorId;
+ }
+
+ public int getTitleBgResId() {
+ return NoteBgResources.getNoteTitleBgResource(mBgColorId);
+ }
+
+ public int getCheckListMode() {
+ return mMode;
+ }
+
+ public long getNoteId() {
+ return mNoteId;
+ }
+
+ public long getFolderId() {
+ return mFolderId;
+ }
+
+ public int getWidgetId() {
+ return mWidgetId;
+ }
+
+ public int getWidgetType() {
+ return mWidgetType;
+ }
+
+
+
+ public interface NoteSettingChangedListener {
+ /**
+ * Called when the background color of current note has just changed
+ */
+ void onBackgroundColorChanged();
+
+ /**
+ * Called when user set clock
+ */
+ void onClockAlertChanged(long date, boolean set);
+
+ /**
+ * Call when user create note from widget
+ */
+ void onWidgetChanged();
+
+ /**
+ * Call when switch between check list mode and normal mode
+ * @param oldMode is previous mode before change
+ * @param newMode is new mode
+ */
+ void onCheckListModeChanged(int oldMode, int newMode);
+ }
+}
diff --git a/java/net/micode/notes/tool/BackupUtils.java b/java/net/micode/notes/tool/BackupUtils.java
new file mode 100644
index 0000000..bc1dfff
--- /dev/null
+++ b/java/net/micode/notes/tool/BackupUtils.java
@@ -0,0 +1,528 @@
+/*
+ * 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.
+ */
+
+// BackupUtils.java - 小米便签备份工具类
+// 主要功能:将便签数据导出为文本文件格式,方便用户备份和查看
+package net.micode.notes.tool;
+
+// ======================= 导入区域 =======================
+// Android系统相关类
+import android.content.Context; // 上下文,用于获取资源、ContentResolver等
+import android.database.Cursor; // 数据库查询结果游标
+import android.os.Environment; // 环境相关,用于访问外部存储
+import android.text.TextUtils; // 文本处理工具类
+import android.text.format.DateFormat; // 日期格式化工具
+import android.util.Log; // 日志工具
+
+// 应用内部资源
+import net.micode.notes.R; // 资源文件R类
+
+// 应用数据模型相关
+import net.micode.notes.data.Notes; // Notes主类
+import net.micode.notes.data.Notes.DataColumns; // 数据表列定义
+import net.micode.notes.data.Notes.DataConstants;// 数据常量定义
+import net.micode.notes.data.Notes.NoteColumns; // 便签表列定义
+
+// Java IO相关
+import java.io.File; // 文件操作
+import java.io.FileNotFoundException; // 文件未找到异常
+import java.io.FileOutputStream; // 文件输出流
+import java.io.IOException; // IO异常
+import java.io.PrintStream; // 打印输出流
+
+// ======================= 备份工具主类 =======================
+/**
+ * BackupUtils - 便签备份工具
+ * 采用单例设计模式,确保整个应用只有一个备份工具实例
+ * 主要功能:将数据库中的便签数据导出为可读的文本文件
+ */
+public class BackupUtils {
+ // TAG - 日志标签,用于Logcat日志筛选
+ private static final String TAG = "BackupUtils";
+
+ // ======================= 单例模式实现 =======================
+ // sInstance - 静态单例实例,volatile确保多线程可见性
+ private static BackupUtils sInstance;
+
+ /**
+ * 获取BackupUtils单例实例
+ * synchronized - 线程安全,防止多线程环境下创建多个实例
+ * @param context 应用上下文,用于初始化
+ * @return BackupUtils唯一实例
+ */
+ public static synchronized BackupUtils getInstance(Context context) {
+ // 懒加载:首次调用时创建实例
+ if (sInstance == null) {
+ sInstance = new BackupUtils(context);
+ }
+ return sInstance;
+ }
+
+ // ======================= 备份状态常量定义 =======================
+ /**
+ * 备份/恢复操作结果状态码
+ * 使用常量而非魔法数字,提高代码可读性
+ */
+ public static final int STATE_SD_CARD_UNMOUONTED = 0; // SD卡未挂载,无法访问外部存储
+ public static final int STATE_BACKUP_FILE_NOT_EXIST = 1; // 备份文件不存在
+ public static final int STATE_DATA_DESTROIED = 2; // 数据损坏,可能被其他程序修改
+ public static final int STATE_SYSTEM_ERROR = 3; // 系统运行时异常
+ public static final int STATE_SUCCESS = 4; // 操作成功完成
+
+ // mTextExport - 文本导出器实例,实际执行导出操作
+ private TextExport mTextExport;
+
+ /**
+ * 私有构造函数 - 单例模式关键,防止外部直接实例化
+ * @param context 应用上下文,用于初始化TextExport
+ */
+ private BackupUtils(Context context) {
+ // 创建文本导出器,传入上下文用于资源访问
+ mTextExport = new TextExport(context);
+ }
+
+ /**
+ * 检查外部存储状态
+ * @return true: SD卡已挂载可读写; false: SD卡不可用
+ */
+ private static boolean externalStorageAvailable() {
+ // Environment.MEDIA_MOUNTED - 存储介质已挂载且可读写
+ return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
+ }
+
+ /**
+ * 执行文本导出操作 - 对外暴露的主要接口
+ * @return 操作结果状态码(见上面的状态常量)
+ */
+ public int exportToText() {
+ return mTextExport.exportToText();
+ }
+
+ /**
+ * 获取导出的文件名
+ * @return 导出的文本文件名
+ */
+ public String getExportedTextFileName() {
+ return mTextExport.mFileName;
+ }
+
+ /**
+ * 获取导出的文件目录
+ * @return 文件保存的目录路径
+ */
+ public String getExportedTextFileDir() {
+ return mTextExport.mFileDirectory;
+ }
+
+ // ======================= 文本导出内部类 =======================
+ /**
+ * TextExport - 文本导出器内部类
+ * 私有静态内部类,封装具体的导出逻辑
+ * 负责:查询数据 -> 格式化 -> 写入文件
+ */
+ private static class TextExport {
+ // ======================= 数据库查询配置 =======================
+
+ // NOTE_PROJECTION - 便签表查询字段投影
+ // 指定从数据库查询哪些字段,避免查询不必要的数据
+ private static final String[] NOTE_PROJECTION = {
+ NoteColumns.ID, // 0 - 便签ID,主键
+ NoteColumns.MODIFIED_DATE, // 1 - 最后修改时间
+ NoteColumns.SNIPPET, // 2 - 便签摘要/标题
+ NoteColumns.TYPE // 3 - 便签类型(文件夹/便签)
+ };
+
+ // 便签表字段索引常量 - 提高代码可读性和维护性
+ private static final int NOTE_COLUMN_ID = 0; // ID列索引
+ private static final int NOTE_COLUMN_MODIFIED_DATE = 1; // 修改时间列索引
+ private static final int NOTE_COLUMN_SNIPPET = 2; // 摘要列索引
+
+ // DATA_PROJECTION - 便签数据表查询字段投影
+ // 便签具体内容存储在数据表中
+ private static final String[] DATA_PROJECTION = {
+ DataColumns.CONTENT, // 0 - 便签内容
+ DataColumns.MIME_TYPE, // 1 - 数据类型(普通便签/通话记录)
+ DataColumns.DATA1, // 2 - 扩展数据1(通话记录时为通话时间)
+ DataColumns.DATA2, // 3 - 扩展数据2
+ DataColumns.DATA3, // 4 - 扩展数据3
+ DataColumns.DATA4, // 5 - 扩展数据4(通话记录时为电话号码)
+ };
+
+ // 数据表字段索引常量
+ private static final int DATA_COLUMN_CONTENT = 0; // 内容列索引
+ private static final int DATA_COLUMN_MIME_TYPE = 1; // 数据类型列索引
+ private static final int DATA_COLUMN_CALL_DATE = 2; // 通话日期列索引
+ private static final int DATA_COLUMN_PHONE_NUMBER = 4; // 电话号码列索引
+
+ // ======================= 文本格式化配置 =======================
+
+ // TEXT_FORMAT - 文本格式化模板数组
+ // 从strings.xml的format_for_exported_note数组加载
+ private final String [] TEXT_FORMAT;
+
+ // 格式化模板索引常量
+ private static final int FORMAT_FOLDER_NAME = 0; // 文件夹名称格式化模板
+ private static final int FORMAT_NOTE_DATE = 1; // 便签日期格式化模板
+ private static final int FORMAT_NOTE_CONTENT = 2; // 便签内容格式化模板
+
+ // ======================= 成员变量 =======================
+ private Context mContext; // 上下文引用,用于访问资源
+ private String mFileName; // 导出的文件名
+ private String mFileDirectory; // 导出的文件目录
+
+ /**
+ * TextExport构造函数
+ * @param context 应用上下文,用于获取格式化模板
+ */
+ public TextExport(Context context) {
+ // 从资源文件加载格式化模板
+ TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note);
+ mContext = context;
+ // 初始化为空字符串
+ mFileName = "";
+ mFileDirectory = "";
+ }
+
+ /**
+ * 获取指定索引的格式化模板
+ * @param id 模板索引(FORMAT_FOLDER_NAME等)
+ * @return 格式化字符串
+ */
+ private String getFormat(int id) {
+ return TEXT_FORMAT[id];
+ }
+
+ /**
+ * 导出指定文件夹下的所有便签
+ * 按文件夹组织导出,保持原有结构
+ * @param folderId 文件夹ID
+ * @param ps 打印输出流,用于写入文件
+ */
+ private void exportFolderToText(String folderId, PrintStream ps) {
+ // 查询该文件夹下的所有便签
+ // Notes.CONTENT_NOTE_URI - 便签内容URI
+ // NoteColumns.PARENT_ID - 父文件夹ID条件
+ Cursor notesCursor = mContext.getContentResolver().query(
+ Notes.CONTENT_NOTE_URI, // 便签表URI
+ NOTE_PROJECTION, // 查询的字段
+ NoteColumns.PARENT_ID + "=?", // 查询条件:父ID等于指定文件夹
+ new String[] { folderId }, // 查询参数
+ null // 排序方式(null表示默认)
+ );
+
+ // 检查游标有效性
+ if (notesCursor != null) {
+ // 遍历查询结果
+ if (notesCursor.moveToFirst()) {
+ do {
+ // 1. 打印便签修改时间
+ // 使用格式化模板,将时间戳格式化为可读字符串
+ ps.println(String.format(
+ getFormat(FORMAT_NOTE_DATE),
+ DateFormat.format(
+ mContext.getString(R.string.format_datetime_mdhm), // 日期时间格式
+ notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE) // 时间戳
+ )
+ ));
+
+ // 2. 导出该便签的具体内容
+ String noteId = notesCursor.getString(NOTE_COLUMN_ID);
+ exportNoteToText(noteId, ps);
+
+ } while (notesCursor.moveToNext()); // 继续下一个便签
+ }
+ // 关闭游标,释放数据库资源
+ notesCursor.close();
+ }
+ }
+
+ /**
+ * 导出单个便签的所有数据
+ * 处理不同类型的便签:普通便签和通话记录
+ * @param noteId 便签ID
+ * @param ps 打印输出流
+ */
+ private void exportNoteToText(String noteId, PrintStream ps) {
+ // 查询该便签的所有数据项
+ Cursor dataCursor = mContext.getContentResolver().query(
+ Notes.CONTENT_DATA_URI, // 便签数据表URI
+ DATA_PROJECTION, // 查询字段
+ DataColumns.NOTE_ID + "=?", // 查询条件:便签ID
+ new String[] { noteId }, // 查询参数
+ null // 排序
+ );
+
+ if (dataCursor != null) {
+ if (dataCursor.moveToFirst()) {
+ do {
+ // 获取数据类型
+ String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE);
+
+ // 根据数据类型分别处理
+ if (DataConstants.CALL_NOTE.equals(mimeType)) {
+ // ===== 通话记录类型 =====
+ // 1. 获取通话相关数据
+ String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER);
+ long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE);
+ String location = dataCursor.getString(DATA_COLUMN_CONTENT);
+
+ // 2. 打印电话号码(如果有)
+ if (!TextUtils.isEmpty(phoneNumber)) {
+ ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), phoneNumber));
+ }
+
+ // 3. 打印通话时间
+ ps.println(String.format(
+ getFormat(FORMAT_NOTE_CONTENT),
+ DateFormat.format(
+ mContext.getString(R.string.format_datetime_mdhm),
+ callDate
+ )
+ ));
+
+ // 4. 打印位置信息(如果有)
+ if (!TextUtils.isEmpty(location)) {
+ ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), location));
+ }
+
+ } else if (DataConstants.NOTE.equals(mimeType)) {
+ // ===== 普通便签类型 =====
+ String content = dataCursor.getString(DATA_COLUMN_CONTENT);
+ if (!TextUtils.isEmpty(content)) {
+ ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), content));
+ }
+ }
+ } while (dataCursor.moveToNext()); // 继续下一个数据项
+ }
+ // 关闭游标
+ dataCursor.close();
+ }
+
+ // 在便签之间添加分隔符
+ // 使用换行符分隔不同便签,提高可读性
+ try {
+ ps.write(new byte[] {
+ Character.LINE_SEPARATOR, // 行分隔符
+ Character.LETTER_NUMBER // 字母数字
+ });
+ } catch (IOException e) {
+ // 记录异常,但不中断导出流程
+ Log.e(TAG, e.toString());
+ }
+ }
+
+ /**
+ * 导出所有便签到文本文件 - 主导出方法
+ * 导出流程:
+ * 1. 检查SD卡状态
+ * 2. 创建输出文件
+ * 3. 导出文件夹便签
+ * 4. 导出根目录便签
+ * 5. 关闭流
+ * @return 导出状态码
+ */
+ public int exportToText() {
+ // 1. 检查SD卡是否可用
+ if (!externalStorageAvailable()) {
+ Log.d(TAG, "Media was not mounted");
+ return STATE_SD_CARD_UNMOUONTED;
+ }
+
+ // 2. 获取输出流
+ PrintStream ps = getExportToTextPrintStream();
+ if (ps == null) {
+ Log.e(TAG, "get print stream error");
+ return STATE_SYSTEM_ERROR;
+ }
+
+ // 3. 导出文件夹及其便签
+ // 查询条件说明:
+ // - 类型为文件夹 且 不在回收站中
+ // - 或者 ID是通话记录文件夹
+ Cursor folderCursor = mContext.getContentResolver().query(
+ Notes.CONTENT_NOTE_URI, // 便签表
+ NOTE_PROJECTION, // 查询字段
+ "(" + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + ") OR "
+ + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER,
+ null, // 查询参数
+ null // 排序
+ );
+
+ if (folderCursor != null) {
+ if (folderCursor.moveToFirst()) {
+ do {
+ // 获取文件夹名称
+ String folderName = "";
+ // 判断是否为通话记录文件夹
+ if(folderCursor.getLong(NOTE_COLUMN_ID) == Notes.ID_CALL_RECORD_FOLDER) {
+ // 使用预设的通话记录文件夹名称
+ folderName = mContext.getString(R.string.call_record_folder_name);
+ } else {
+ // 使用便签摘要作为文件夹名称
+ folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET);
+ }
+
+ // 打印文件夹标题
+ if (!TextUtils.isEmpty(folderName)) {
+ ps.println(String.format(getFormat(FORMAT_FOLDER_NAME), folderName));
+ }
+
+ // 导出该文件夹下的所有便签
+ String folderId = folderCursor.getString(NOTE_COLUMN_ID);
+ exportFolderToText(folderId, ps);
+
+ } while (folderCursor.moveToNext());
+ }
+ folderCursor.close();
+ }
+
+ // 4. 导出根目录下的便签(没有父文件夹的便签)
+ // 查询条件:类型为普通便签 且 父ID为0(根目录)
+ 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 {
+ // 打印便签修改时间
+ ps.println(String.format(
+ getFormat(FORMAT_NOTE_DATE),
+ DateFormat.format(
+ mContext.getString(R.string.format_datetime_mdhm),
+ noteCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)
+ )
+ ));
+
+ // 导出便签内容
+ String noteId = noteCursor.getString(NOTE_COLUMN_ID);
+ exportNoteToText(noteId, ps);
+
+ } while (noteCursor.moveToNext());
+ }
+ noteCursor.close();
+ }
+
+ // 5. 关闭输出流
+ ps.close();
+
+ return STATE_SUCCESS;
+ }
+
+ /**
+ * 创建输出文件并获取打印流
+ * 文件路径:SD卡根目录 + 配置路径 + 日期时间文件名
+ * @return PrintStream 输出流,失败返回null
+ */
+ private PrintStream getExportToTextPrintStream() {
+ // 生成输出文件
+ File file = generateFileMountedOnSDcard(
+ mContext,
+ R.string.file_path, // 文件路径资源ID
+ R.string.file_name_txt_format // 文件名格式资源ID
+ );
+
+ if (file == null) {
+ Log.e(TAG, "create file to exported failed");
+ return null;
+ }
+
+ // 保存文件信息
+ mFileName = file.getName(); // 文件名
+ mFileDirectory = mContext.getString(R.string.file_path); // 文件目录
+
+ PrintStream ps = null;
+ try {
+ // 创建文件输出流
+ FileOutputStream fos = new FileOutputStream(file);
+ // 创建打印流,方便文本输出
+ ps = new PrintStream(fos);
+ } catch (FileNotFoundException e) {
+ // 文件未找到异常
+ e.printStackTrace();
+ return null;
+ } catch (NullPointerException e) {
+ // 空指针异常
+ e.printStackTrace();
+ return null;
+ }
+ return ps;
+ }
+ }
+
+ // ======================= 静态工具方法 =======================
+ /**
+ * 在SD卡上创建导出文件
+ * 文件命名规则:使用当前日期时间,避免重复
+ * @param context 上下文
+ * @param filePathResId 文件路径资源ID(如:"/backup/")
+ * @param fileNameFormatResId 文件名格式资源ID(如:"notes_%s.txt")
+ * @return 创建的文件对象,失败返回null
+ */
+ private static File generateFileMountedOnSDcard(
+ Context context,
+ int filePathResId,
+ int fileNameFormatResId
+ ) {
+ // 使用StringBuilder构建文件路径,提高性能
+ StringBuilder sb = new StringBuilder();
+
+ // 1. SD卡根目录
+ sb.append(Environment.getExternalStorageDirectory());
+ // 2. 应用指定的文件路径
+ sb.append(context.getString(filePathResId));
+
+ // 创建目录对象
+ File filedir = new File(sb.toString());
+
+ // 3. 添加文件名(使用当前日期格式化)
+ // 格式如:notes_20231215.txt
+ sb.append(context.getString(
+ fileNameFormatResId,
+ DateFormat.format(
+ context.getString(R.string.format_date_ymd), // 日期格式
+ System.currentTimeMillis() // 当前时间戳
+ )
+ ));
+
+ // 创建文件对象
+ File file = new File(sb.toString());
+
+ try {
+ // 创建目录(如果不存在)
+ if (!filedir.exists()) {
+ filedir.mkdir(); // 创建单级目录
+ }
+ // 创建文件(如果不存在)
+ if (!file.exists()) {
+ file.createNewFile();
+ }
+ return file;
+ } catch (SecurityException e) {
+ // 权限异常:无SD卡写入权限
+ e.printStackTrace();
+ } catch (IOException e) {
+ // IO异常:磁盘空间不足等
+ e.printStackTrace();
+ }
+
+ return null; // 创建失败返回null
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/tool/DataUtils.java b/java/net/micode/notes/tool/DataUtils.java
new file mode 100644
index 0000000..9eec99f
--- /dev/null
+++ b/java/net/micode/notes/tool/DataUtils.java
@@ -0,0 +1,448 @@
+/*
+ * 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.
+ */
+
+// DataUtils.java - 小米便签数据工具类
+// 主要功能:提供便签数据的批量操作、查询、验证等工具方法
+package net.micode.notes.tool;
+
+// ======================= 导入区域 =======================
+// Android数据操作相关类
+import android.content.ContentProviderOperation; // 内容提供者批量操作
+import android.content.ContentProviderResult; // 批量操作结果
+import android.content.ContentResolver; // 内容解析器,用于访问ContentProvider
+import android.content.ContentUris; // URI工具,用于构建带ID的URI
+import android.content.ContentValues; // 键值对容器,用于插入/更新数据
+import android.content.OperationApplicationException; // 批量操作异常
+import android.database.Cursor; // 数据库查询结果游标
+import android.os.RemoteException; // 远程调用异常
+import android.util.Log; // 日志工具
+
+// 应用内部数据模型
+import net.micode.notes.data.Notes; // Notes主类
+import net.micode.notes.data.Notes.CallNote; // 通话记录相关常量
+import net.micode.notes.data.Notes.NoteColumns; // 便签表列定义
+import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute; // 小部件属性类
+
+// Java集合类
+import java.util.ArrayList; // 动态数组
+import java.util.HashSet; // 哈希集合,用于存储唯一ID
+
+// ======================= 数据工具主类 =======================
+/**
+ * DataUtils - 便签数据操作工具类
+ * 包含对便签数据的批量删除、移动、查询、验证等常用操作
+ * 所有方法都是静态工具方法,无需实例化即可使用
+ */
+public class DataUtils {
+ // TAG - 日志标签,用于Logcat日志筛选
+ public static final String TAG = "DataUtils";
+
+ /**
+ * 批量删除便签
+ * 使用ContentProvider批量操作,提高删除效率
+ * @param resolver 内容解析器,用于访问ContentProvider
+ * @param ids 要删除的便签ID集合(HashSet保证ID唯一性)
+ * @return true: 删除成功; false: 删除失败
+ */
+ public static boolean batchDeleteNotes(ContentResolver resolver, HashSet ids) {
+ // 参数验证
+ if (ids == null) {
+ Log.d(TAG, "the ids is null");
+ return true; // 空集合视为成功,无需操作
+ }
+ if (ids.size() == 0) {
+ Log.d(TAG, "no id is in the hashset");
+ return true; // 空集合视为成功
+ }
+
+ // 创建批量操作列表
+ ArrayList operationList =
+ new ArrayList();
+
+ // 遍历ID集合,为每个便签创建删除操作
+ for (long id : ids) {
+ // 禁止删除系统根文件夹
+ if(id == Notes.ID_ROOT_FOLDER) {
+ Log.e(TAG, "Don't delete system folder root");
+ continue; // 跳过系统文件夹
+ }
+
+ // 构建删除操作
+ ContentProviderOperation.Builder builder = ContentProviderOperation
+ .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
+ operationList.add(builder.build());
+ }
+
+ // 执行批量操作
+ try {
+ ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
+
+ // 验证操作结果
+ if (results == null || results.length == 0 || results[0] == null) {
+ Log.d(TAG, "delete notes failed, ids:" + ids.toString());
+ return false;
+ }
+ return true;
+
+ } catch (RemoteException e) {
+ // 远程调用异常
+ Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+ } catch (OperationApplicationException e) {
+ // 批量操作应用异常
+ Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+ }
+ return false;
+ }
+
+ /**
+ * 移动单个便签到其他文件夹
+ * 更新便签的父文件夹ID,并标记为本地已修改
+ * @param resolver 内容解析器
+ * @param id 要移动的便签ID
+ * @param srcFolderId 源文件夹ID
+ * @param desFolderId 目标文件夹ID
+ */
+ public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) {
+ // 创建更新数据
+ ContentValues values = new ContentValues();
+ values.put(NoteColumns.PARENT_ID, desFolderId); // 新父文件夹ID
+ values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId); // 原父文件夹ID(用于同步)
+ values.put(NoteColumns.LOCAL_MODIFIED, 1); // 标记为本地已修改
+
+ // 执行更新操作
+ resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null);
+ }
+
+ /**
+ * 批量移动便签到指定文件夹
+ * 使用批量操作提高效率
+ * @param resolver 内容解析器
+ * @param ids 要移动的便签ID集合
+ * @param folderId 目标文件夹ID
+ * @return true: 移动成功; false: 移动失败
+ */
+ public static boolean batchMoveToFolder(ContentResolver resolver, HashSet ids,
+ long folderId) {
+ // 参数验证
+ if (ids == null) {
+ Log.d(TAG, "the ids is null");
+ return true; // 空集合视为成功
+ }
+
+ // 创建批量操作列表
+ ArrayList operationList =
+ new ArrayList();
+
+ // 为每个便签创建更新操作
+ for (long id : ids) {
+ ContentProviderOperation.Builder builder = ContentProviderOperation
+ .newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
+ builder.withValue(NoteColumns.PARENT_ID, folderId); // 更新父文件夹ID
+ builder.withValue(NoteColumns.LOCAL_MODIFIED, 1); // 标记为本地已修改
+ operationList.add(builder.build());
+ }
+
+ // 执行批量操作
+ try {
+ ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
+
+ // 验证操作结果
+ if (results == null || results.length == 0 || results[0] == null) {
+ Log.d(TAG, "delete notes failed, ids:" + ids.toString());
+ return false;
+ }
+ return true;
+
+ } catch (RemoteException e) {
+ Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+ } catch (OperationApplicationException e) {
+ Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+ }
+ return false;
+ }
+
+ /**
+ * 获取用户文件夹数量(排除系统文件夹)
+ * 统计所有用户创建的文件夹,不包括系统预置文件夹
+ * @param resolver 内容解析器
+ * @return 用户文件夹数量
+ */
+ public static int getUserFolderCount(ContentResolver resolver) {
+ // 查询条件:类型为文件夹
+ Cursor cursor =resolver.query(Notes.CONTENT_NOTE_URI,
+ new String[] { "COUNT(*)" }, // 只查询数量
+ NoteColumns.TYPE + "=?", // 查询条件
+ new String[] {
+ String.valueOf(Notes.TYPE_FOLDER) // 参数1:文件夹类型
+ },
+ null);
+
+ int count = 0;
+ if(cursor != null) {
+ if(cursor.moveToFirst()) {
+ try {
+ count = cursor.getInt(0); // 获取第一列(COUNT(*)结果)
+ } catch (IndexOutOfBoundsException e) {
+ Log.e(TAG, "get folder count failed:" + e.toString());
+ } finally {
+ cursor.close(); // 确保游标关闭
+ }
+ }
+ }
+ return count;
+ }
+
+ /**
+ * 检查便签在数据库中是否可见
+ * 可见条件:指定类型 且 不在回收站中
+ * @param resolver 内容解析器
+ * @param noteId 便签ID
+ * @param type 便签类型(Notes.TYPE_NOTE 或 Notes.TYPE_FOLDER)
+ * @return true: 可见; false: 不可见(在回收站中或类型不匹配)
+ */
+ public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {
+ // 查询指定便签
+ Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
+ null, // 查询所有列
+ NoteColumns.TYPE + "=?",
+ new String [] {String.valueOf(type)}, // 类型参数
+ null);
+
+ boolean exist = false;
+ if (cursor != null) {
+ // 只要查询到记录就表示可见
+ if (cursor.getCount() > 0) {
+ exist = true;
+ }
+ cursor.close();
+ }
+ return exist;
+ }
+
+ /**
+ * 检查便签是否存在于数据库中
+ * 不关心是否在回收站,只要存在就返回true
+ * @param resolver 内容解析器
+ * @param noteId 便签ID
+ * @return true: 存在; false: 不存在
+ */
+ public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) {
+ // 查询指定便签,无过滤条件
+ Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
+ null, null, null, null);
+
+ boolean exist = false;
+ if (cursor != null) {
+ if (cursor.getCount() > 0) {
+ exist = true;
+ }
+ cursor.close();
+ }
+ return exist;
+ }
+
+ /**
+ * 检查数据项是否存在于数据表中
+ * 数据表存储便签的具体内容
+ * @param resolver 内容解析器
+ * @param dataId 数据项ID
+ * @return true: 存在; false: 不存在
+ */
+ public static boolean existInDataDatabase(ContentResolver resolver, long dataId) {
+ Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId),
+ null, null, null, null);
+
+ boolean exist = false;
+ if (cursor != null) {
+ if (cursor.getCount() > 0) {
+ exist = true;
+ }
+ cursor.close();
+ }
+ return exist;
+ }
+
+ /**
+ * 检查可见文件夹名称是否已存在
+ * 用于创建文件夹时的重名检查
+ * @param resolver 内容解析器
+ * @param name 要检查的文件夹名称
+ * @return true: 已存在; false: 不存在
+ */
+ public static boolean checkVisibleFolderName(ContentResolver resolver, String name) {
+ // 查询条件:文件夹类型 且 名称匹配
+ Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,
+ NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER +
+ " AND " + NoteColumns.SNIPPET + "=?", // SNIPPET字段存储文件夹名称
+ new String[] { name }, null);
+
+ boolean exist = false;
+ if(cursor != null) {
+ if(cursor.getCount() > 0) {
+ exist = true;
+ }
+ cursor.close();
+ }
+ return exist;
+ }
+
+ /**
+ * 获取文件夹下所有便签的小部件信息
+ * 用于桌面小部件管理
+ * @param resolver 内容解析器
+ * @param folderId 文件夹ID
+ * @return 小部件属性集合,null表示无小部件
+ */
+ public static HashSet getFolderNoteWidget(ContentResolver resolver, long folderId) {
+ // 查询文件夹下所有便签的小部件信息
+ Cursor c = resolver.query(Notes.CONTENT_NOTE_URI,
+ new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE }, // 小部件相关字段
+ NoteColumns.PARENT_ID + "=?", // 父文件夹条件
+ new String[] { String.valueOf(folderId) },
+ null);
+
+ HashSet set = null;
+ if (c != null) {
+ if (c.moveToFirst()) {
+ set = new HashSet(); // 创建集合
+ do {
+ try {
+ // 创建小部件属性对象
+ AppWidgetAttribute widget = new AppWidgetAttribute();
+ widget.widgetId = c.getInt(0); // 小部件ID
+ widget.widgetType = c.getInt(1); // 小部件类型
+ set.add(widget); // 添加到集合
+ } catch (IndexOutOfBoundsException e) {
+ Log.e(TAG, e.toString()); // 字段索引异常
+ }
+ } while (c.moveToNext()); // 遍历所有便签
+ }
+ c.close();
+ }
+ return set;
+ }
+
+ /**
+ * 根据便签ID获取通话记录的电话号码
+ * 用于通话记录类型便签
+ * @param resolver 内容解析器
+ * @param noteId 便签ID
+ * @return 电话号码,空字符串表示未找到
+ */
+ public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) {
+ // 查询条件:便签ID匹配 且 类型为通话记录
+ Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
+ new String [] { CallNote.PHONE_NUMBER }, // 只查询电话号码
+ CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?",
+ new String [] {
+ String.valueOf(noteId), // 参数1:便签ID
+ CallNote.CONTENT_ITEM_TYPE // 参数2:通话记录类型
+ },
+ null);
+
+ if (cursor != null && cursor.moveToFirst()) {
+ try {
+ return cursor.getString(0); // 返回电话号码
+ } catch (IndexOutOfBoundsException e) {
+ Log.e(TAG, "Get call number fails " + e.toString());
+ } finally {
+ cursor.close(); // finally块确保游标关闭
+ }
+ }
+ return ""; // 未找到返回空字符串
+ }
+
+ /**
+ * 根据电话号码和通话时间查找便签ID
+ * 用于避免创建重复的通话记录
+ * @param resolver 内容解析器
+ * @param phoneNumber 电话号码
+ * @param callDate 通话时间戳
+ * @return 便签ID,0表示未找到
+ */
+ public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) {
+ // 查询条件:通话时间匹配 且 类型为通话记录 且 电话号码匹配
+ // PHONE_NUMBERS_EQUAL是自定义函数,用于比较电话号码(可能处理格式差异)
+ Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
+ new String [] { CallNote.NOTE_ID }, // 只查询便签ID
+ CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL("
+ + CallNote.PHONE_NUMBER + ",?)",
+ new String [] {
+ String.valueOf(callDate), // 参数1:通话时间
+ CallNote.CONTENT_ITEM_TYPE, // 参数2:通话记录类型
+ phoneNumber // 参数3:电话号码
+ },
+ null);
+
+ if (cursor != null) {
+ if (cursor.moveToFirst()) {
+ try {
+ return cursor.getLong(0); // 返回便签ID
+ } catch (IndexOutOfBoundsException e) {
+ Log.e(TAG, "Get call note id fails " + e.toString());
+ }
+ }
+ cursor.close();
+ }
+ return 0; // 未找到返回0
+ }
+
+ /**
+ * 根据便签ID获取便签摘要
+ * 摘要通常显示在列表视图中
+ * @param resolver 内容解析器
+ * @param noteId 便签ID
+ * @return 便签摘要
+ * @throws IllegalArgumentException 如果便签不存在
+ */
+ public static String getSnippetById(ContentResolver resolver, long noteId) {
+ Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
+ new String [] { NoteColumns.SNIPPET }, // 只查询摘要字段
+ NoteColumns.ID + "=?",
+ new String [] { String.valueOf(noteId)},
+ null);
+
+ if (cursor != null) {
+ String snippet = "";
+ if (cursor.moveToFirst()) {
+ snippet = cursor.getString(0); // 获取摘要
+ }
+ cursor.close();
+ return snippet;
+ }
+ throw new IllegalArgumentException("Note is not found with id: " + noteId);
+ }
+
+ /**
+ * 格式化便签摘要
+ * 处理摘要显示:去除首尾空格,只显示第一行
+ * @param snippet 原始摘要
+ * @return 格式化后的摘要
+ */
+ public static String getFormattedSnippet(String snippet) {
+ if (snippet != null) {
+ snippet = snippet.trim(); // 去除首尾空格
+
+ // 查找第一个换行符
+ int index = snippet.indexOf('\n');
+ if (index != -1) {
+ // 只保留第一行
+ snippet = snippet.substring(0, index);
+ }
+ }
+ return snippet;
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/tool/GTaskStringUtils.java b/java/net/micode/notes/tool/GTaskStringUtils.java
new file mode 100644
index 0000000..747dae3
--- /dev/null
+++ b/java/net/micode/notes/tool/GTaskStringUtils.java
@@ -0,0 +1,197 @@
+/*
+ * 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.
+ */
+
+// GTaskStringUtils.java - Google任务(GTasks)同步相关的字符串常量工具类
+// 主要功能:定义与Google Tasks API交互时使用的JSON键名、操作类型、元数据标识等常量
+// 这些常量用于序列化和反序列化Google Tasks的JSON数据
+package net.micode.notes.tool;
+
+// ======================= Google Tasks JSON键名常量 =======================
+/**
+ * GTaskStringUtils - Google Tasks同步字符串常量工具类
+ * 包含所有与Google Tasks API通信时使用的JSON键名、操作类型、文件夹标识等常量
+ * 所有常量都是public static final,确保全局唯一且不可修改
+ */
+public class GTaskStringUtils {
+
+ // ======================= 操作相关键名 =======================
+
+ /** 操作ID键名 - JSON中标识操作的唯一ID */
+ public final static String GTASK_JSON_ACTION_ID = "action_id";
+
+ /** 操作列表键名 - JSON中包含多个操作的数组 */
+ public final static String GTASK_JSON_ACTION_LIST = "action_list";
+
+ /** 操作类型键名 - JSON中标识操作类型的字段 */
+ public final static String GTASK_JSON_ACTION_TYPE = "action_type";
+
+ // ======================= 操作类型值 =======================
+
+ /** 创建操作类型值 - 表示创建新项的操作 */
+ public final static String GTASK_JSON_ACTION_TYPE_CREATE = "create";
+
+ /** 获取全部操作类型值 - 表示获取所有数据的操作 */
+ public final static String GTASK_JSON_ACTION_TYPE_GETALL = "get_all";
+
+ /** 移动操作类型值 - 表示移动项到其他位置的操作 */
+ public final static String GTASK_JSON_ACTION_TYPE_MOVE = "move";
+
+ /** 更新操作类型值 - 表示更新现有项的操作 */
+ public final static String GTASK_JSON_ACTION_TYPE_UPDATE = "update";
+
+ // ======================= 创建者和版本信息 =======================
+
+ /** 创建者ID键名 - JSON中标识创建者的字段 */
+ public final static String GTASK_JSON_CREATOR_ID = "creator_id";
+
+ /** 客户端版本键名 - JSON中标识客户端版本的字段 */
+ public final static String GTASK_JSON_CLIENT_VERSION = "client_version";
+
+ // ======================= 实体和子项相关 =======================
+
+ /** 子实体键名 - JSON中表示子项的列表 */
+ public final static String GTASK_JSON_CHILD_ENTITY = "child_entity";
+
+ /** 实体增量键名 - JSON中表示实体变更的字段 */
+ public final static String GTASK_JSON_ENTITY_DELTA = "entity_delta";
+
+ /** 实体类型键名 - JSON中标识实体类型的字段 */
+ public final static String GTASK_JSON_ENTITY_TYPE = "entity_type";
+
+ // ======================= 状态和删除相关 =======================
+
+ /** 完成状态键名 - JSON中标识任务是否完成的字段 */
+ public final static String GTASK_JSON_COMPLETED = "completed";
+
+ /** 删除状态键名 - JSON中标识项是否被删除的字段 */
+ public final static String GTASK_JSON_DELETED = "deleted";
+
+ /** 获取删除项键名 - JSON中标识是否获取已删除项的字段 */
+ public final static String GTASK_JSON_GET_DELETED = "get_deleted";
+
+ // ======================= ID和索引相关 =======================
+
+ /** ID键名 - JSON中最基本的ID字段 */
+ public final static String GTASK_JSON_ID = "id";
+
+ /** 新ID键名 - JSON中表示新生成的ID字段(用于创建操作) */
+ public final static String GTASK_JSON_NEW_ID = "new_id";
+
+ /** 索引键名 - JSON中表示项在列表中的位置索引 */
+ public final static String GTASK_JSON_INDEX = "index";
+
+ /** 父项ID键名 - JSON中表示父项的ID */
+ public final static String GTASK_JSON_PARENT_ID = "parent_id";
+
+ /** 前一个兄弟项ID键名 - JSON中表示同一层级中前一项的ID(用于确定位置) */
+ public final static String GTASK_JSON_PRIOR_SIBLING_ID = "prior_sibling_id";
+
+ // ======================= 列表相关 =======================
+
+ /** 当前列表ID键名 - JSON中表示当前活动列表的ID */
+ public final static String GTASK_JSON_CURRENT_LIST_ID = "current_list_id";
+
+ /** 默认列表ID键名 - JSON中表示默认列表的ID */
+ public final static String GTASK_JSON_DEFAULT_LIST_ID = "default_list_id";
+
+ /** 列表ID键名 - JSON中表示列表的ID */
+ public final static String GTASK_JSON_LIST_ID = "list_id";
+
+ /** 列表集合键名 - JSON中包含多个列表的数组 */
+ public final static String GTASK_JSON_LISTS = "lists";
+
+ /** 源列表键名 - JSON中表示移动操作的源列表 */
+ public final static String GTASK_JSON_SOURCE_LIST = "source_list";
+
+ /** 目标列表键名 - JSON中表示移动操作的目标列表 */
+ public final static String GTASK_JSON_DEST_LIST = "dest_list";
+
+ // ======================= 移动操作相关 =======================
+
+ /** 目标父项键名 - JSON中表示移动操作的目标父项 */
+ public final static String GTASK_JSON_DEST_PARENT = "dest_parent";
+
+ /** 目标父项类型键名 - JSON中表示移动操作的目标父项类型 */
+ public final static String GTASK_JSON_DEST_PARENT_TYPE = "dest_parent_type";
+
+ // ======================= 时间和同步相关 =======================
+
+ /** 最后修改时间键名 - JSON中表示项的最后修改时间戳 */
+ public final static String GTASK_JSON_LAST_MODIFIED = "last_modified";
+
+ /** 最新同步点键名 - JSON中表示最新的同步时间点(用于增量同步) */
+ public final static String GTASK_JSON_LATEST_SYNC_POINT = "latest_sync_point";
+
+ // ======================= 名称和内容相关 =======================
+
+ /** 名称键名 - JSON中表示项的名称/标题字段 */
+ public final static String GTASK_JSON_NAME = "name";
+
+ /** 便签内容键名 - JSON中表示便签具体内容的字段 */
+ public final static String GTASK_JSON_NOTES = "notes";
+
+ // ======================= 结果和任务相关 =======================
+
+ /** 结果键名 - JSON中表示操作结果集的字段 */
+ public final static String GTASK_JSON_RESULTS = "results";
+
+ /** 任务集合键名 - JSON中包含多个任务的数组 */
+ public final static String GTASK_JSON_TASKS = "tasks";
+
+ // ======================= 类型相关 =======================
+
+ /** 类型键名 - JSON中表示项的类型字段 */
+ public final static String GTASK_JSON_TYPE = "type";
+
+ /** 组类型值 - JSON中表示组/文件夹类型的值 */
+ public final static String GTASK_JSON_TYPE_GROUP = "GROUP";
+
+ /** 任务类型值 - JSON中表示任务/便签类型的值 */
+ public final static String GTASK_JSON_TYPE_TASK = "TASK";
+
+ // ======================= 用户相关 =======================
+
+ /** 用户键名 - JSON中表示用户信息的字段 */
+ public final static String GTASK_JSON_USER = "user";
+
+ // ======================= MIUI便签专用文件夹前缀 =======================
+
+ /** MIUI文件夹前缀 - 用于标识MIUI便签创建的Google Tasks文件夹 */
+ public final static String MIUI_FOLDER_PREFFIX = "[MIUI_Notes]";
+
+ /** 默认文件夹名称 - 在Google Tasks中创建的默认文件夹名称 */
+ public final static String FOLDER_DEFAULT = "Default";
+
+ /** 通话记录文件夹名称 - 在Google Tasks中创建的通话记录专用文件夹 */
+ public final static String FOLDER_CALL_NOTE = "Call_Note";
+
+ // ======================= 元数据相关 =======================
+
+ /** 元数据文件夹标识 - 用于标识存储同步元数据的特殊文件夹 */
+ public final static String FOLDER_META = "METADATA";
+
+ /** 元数据头-GTaskID - 元数据中存储Google Task ID的字段前缀 */
+ public final static String META_HEAD_GTASK_ID = "meta_gid";
+
+ /** 元数据头-便签 - 元数据中存储便签信息的字段前缀 */
+ public final static String META_HEAD_NOTE = "meta_note";
+
+ /** 元数据头-数据 - 元数据中存储便签详细数据的字段前缀 */
+ public final static String META_HEAD_DATA = "meta_data";
+
+ /** 元数据便签名称 - 用于存储同步元数据的特殊便签的名称(提示用户不要修改) */
+ public final static String META_NOTE_NAME = "[META INFO] DON'T UPDATE AND DELETE";
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/tool/ResourceParser.java b/java/net/micode/notes/tool/ResourceParser.java
new file mode 100644
index 0000000..af9099f
--- /dev/null
+++ b/java/net/micode/notes/tool/ResourceParser.java
@@ -0,0 +1,310 @@
+/*
+ * 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.
+ */
+
+// ResourceParser.java - 资源解析工具类
+// 主要功能:管理便签应用的颜色主题、背景资源、字体大小等UI相关资源的映射和获取
+package net.micode.notes.tool;
+
+// ======================= 导入区域 =======================
+// Android相关类
+import android.content.Context; // 上下文,用于访问偏好设置
+import android.preference.PreferenceManager; // 偏好设置管理器
+
+// 应用内部资源
+import net.micode.notes.R; // 资源文件R类
+import net.micode.notes.ui.NotesPreferenceActivity; // 设置Activity,包含偏好设置键名
+
+// ======================= 资源解析主类 =======================
+/**
+ * ResourceParser - 资源解析工具类
+ * 集中管理便签应用的UI资源映射关系
+ * 包括:背景颜色、字体大小、编辑界面背景、列表项背景、小部件背景等
+ */
+public class ResourceParser {
+
+ // ======================= 便签背景颜色常量 =======================
+ /**
+ * 便签背景颜色类型常量
+ * 对应五种不同的便签背景颜色主题
+ */
+ public static final int YELLOW = 0; // 黄色主题
+ public static final int BLUE = 1; // 蓝色主题
+ public static final int WHITE = 2; // 白色主题
+ public static final int GREEN = 3; // 绿色主题
+ public static final int RED = 4; // 红色主题
+
+ /** 默认背景颜色索引 - 应用启动时的默认颜色 */
+ public static final int BG_DEFAULT_COLOR = YELLOW; // 默认为黄色
+
+ // ======================= 字体大小常量 =======================
+ /**
+ * 字体大小类型常量
+ * 对应四种不同的字体大小级别
+ */
+ 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
+
+ /** 默认字体大小索引 - 应用启动时的默认字体大小 */
+ public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM; // 默认为中号字体
+
+ // ======================= 编辑界面背景资源类 =======================
+ /**
+ * NoteBgResources - 便签编辑界面背景资源类
+ * 管理便签编辑页面的背景图片资源
+ */
+ public static class NoteBgResources {
+ // 便签编辑区域背景资源数组
+ // 数组索引对应颜色常量:0=黄, 1=蓝, 2=白, 3=绿, 4=红
+ private final static int [] BG_EDIT_RESOURCES = new int [] {
+ R.drawable.edit_yellow, // 黄色编辑背景
+ R.drawable.edit_blue, // 蓝色编辑背景
+ R.drawable.edit_white, // 白色编辑背景
+ R.drawable.edit_green, // 绿色编辑背景
+ R.drawable.edit_red // 红色编辑背景
+ };
+
+ // 便签标题栏背景资源数组
+ // 与编辑区域背景对应,但用于标题栏部分
+ private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] {
+ R.drawable.edit_title_yellow, // 黄色标题背景
+ R.drawable.edit_title_blue, // 蓝色标题背景
+ R.drawable.edit_title_white, // 白色标题背景
+ R.drawable.edit_title_green, // 绿色标题背景
+ R.drawable.edit_title_red // 红色标题背景
+ };
+
+ /**
+ * 获取便签编辑区域背景资源ID
+ * @param id 颜色索引(YELLOW/BLUE/WHITE/GREEN/RED)
+ * @return 对应的drawable资源ID
+ */
+ public static int getNoteBgResource(int id) {
+ return BG_EDIT_RESOURCES[id];
+ }
+
+ /**
+ * 获取便签标题栏背景资源ID
+ * @param id 颜色索引(YELLOW/BLUE/WHITE/GREEN/RED)
+ * @return 对应的drawable资源ID
+ */
+ public static int getNoteTitleBgResource(int id) {
+ return BG_EDIT_TITLE_RESOURCES[id];
+ }
+ }
+
+ /**
+ * 获取默认背景颜色ID
+ * 根据用户设置决定:随机颜色或默认颜色
+ * @param context 上下文,用于读取偏好设置
+ * @return 背景颜色索引
+ */
+ public static int getDefaultBgId(Context context) {
+ // 从偏好设置读取是否启用随机背景颜色
+ if (context.getSharedPreferences(NotesPreferenceActivity.PREFERENCE_NAME, Context.MODE_PRIVATE).getBoolean(
+ NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, // 偏好设置键名
+ false)) { // 默认值为false(不随机)
+ // 随机选择一种颜色
+ return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length);
+ } else {
+ // 使用默认颜色
+ return BG_DEFAULT_COLOR;
+ }
+ }
+
+ // ======================= 列表项背景资源类 =======================
+ /**
+ * NoteItemBgResources - 便签列表项背景资源类
+ * 管理便签列表界面中各项的背景图片资源
+ * 支持不同位置的项使用不同背景(首项、中间项、末项、单独项)
+ */
+ public static class NoteItemBgResources {
+ // 列表首项背景资源数组
+ // 用于列表中的第一个项(顶部圆角)
+ private final static int [] BG_FIRST_RESOURCES = new int [] {
+ R.drawable.list_yellow_up, // 黄色首项背景
+ R.drawable.list_blue_up, // 蓝色首项背景
+ R.drawable.list_white_up, // 白色首项背景
+ R.drawable.list_green_up, // 绿色首项背景
+ R.drawable.list_red_up // 红色首项背景
+ };
+
+ // 列表中间项背景资源数组
+ // 用于列表中非首尾的中间项(直角)
+ private final static int [] BG_NORMAL_RESOURCES = new int [] {
+ R.drawable.list_yellow_middle, // 黄色中间项背景
+ R.drawable.list_blue_middle, // 蓝色中间项背景
+ R.drawable.list_white_middle, // 白色中间项背景
+ R.drawable.list_green_middle, // 绿色中间项背景
+ R.drawable.list_red_middle // 红色中间项背景
+ };
+
+ // 列表末项背景资源数组
+ // 用于列表中的最后一个项(底部圆角)
+ private final static int [] BG_LAST_RESOURCES = new int [] {
+ R.drawable.list_yellow_down, // 黄色末项背景
+ R.drawable.list_blue_down, // 蓝色末项背景
+ R.drawable.list_white_down, // 白色末项背景
+ R.drawable.list_green_down, // 绿色末项背景
+ R.drawable.list_red_down, // 红色末项背景
+ };
+
+ // 列表单独项背景资源数组
+ // 用于列表中只有一个项的情况(上下都有圆角)
+ private final static int [] BG_SINGLE_RESOURCES = new int [] {
+ R.drawable.list_yellow_single, // 黄色单独项背景
+ R.drawable.list_blue_single, // 蓝色单独项背景
+ R.drawable.list_white_single, // 白色单独项背景
+ R.drawable.list_green_single, // 绿色单独项背景
+ R.drawable.list_red_single // 红色单独项背景
+ };
+
+ /**
+ * 获取列表首项背景资源ID
+ * @param id 颜色索引
+ * @return 对应的drawable资源ID
+ */
+ public static int getNoteBgFirstRes(int id) {
+ return BG_FIRST_RESOURCES[id];
+ }
+
+ /**
+ * 获取列表末项背景资源ID
+ * @param id 颜色索引
+ * @return 对应的drawable资源ID
+ */
+ public static int getNoteBgLastRes(int id) {
+ return BG_LAST_RESOURCES[id];
+ }
+
+ /**
+ * 获取列表单独项背景资源ID
+ * @param id 颜色索引
+ * @return 对应的drawable资源ID
+ */
+ public static int getNoteBgSingleRes(int id) {
+ return BG_SINGLE_RESOURCES[id];
+ }
+
+ /**
+ * 获取列表中间项背景资源ID
+ * @param id 颜色索引
+ * @return 对应的drawable资源ID
+ */
+ public static int getNoteBgNormalRes(int id) {
+ return BG_NORMAL_RESOURCES[id];
+ }
+
+ /**
+ * 获取文件夹项背景资源ID
+ * 文件夹使用统一的背景,不区分颜色
+ * @return 文件夹专用背景资源ID
+ */
+ public static int getFolderBgRes() {
+ return R.drawable.list_folder;
+ }
+ }
+
+ // ======================= 小部件背景资源类 =======================
+ /**
+ * WidgetBgResources - 桌面小部件背景资源类
+ * 管理不同尺寸桌面小部件的背景图片资源
+ */
+ public static class WidgetBgResources {
+ // 2x尺寸小部件背景资源数组
+ // 用于2x2尺寸的桌面小部件
+ private final static int [] BG_2X_RESOURCES = new int [] {
+ R.drawable.widget_2x_yellow, // 黄色2x小部件背景
+ R.drawable.widget_2x_blue, // 蓝色2x小部件背景
+ R.drawable.widget_2x_white, // 白色2x小部件背景
+ R.drawable.widget_2x_green, // 绿色2x小部件背景
+ R.drawable.widget_2x_red, // 红色2x小部件背景
+ };
+
+ /**
+ * 获取2x尺寸小部件背景资源ID
+ * @param id 颜色索引
+ * @return 对应的drawable资源ID
+ */
+ public static int getWidget2xBgResource(int id) {
+ return BG_2X_RESOURCES[id];
+ }
+
+ // 4x尺寸小部件背景资源数组
+ // 用于4x4尺寸的桌面小部件
+ private final static int [] BG_4X_RESOURCES = new int [] {
+ R.drawable.widget_4x_yellow, // 黄色4x小部件背景
+ R.drawable.widget_4x_blue, // 蓝色4x小部件背景
+ R.drawable.widget_4x_white, // 白色4x小部件背景
+ R.drawable.widget_4x_green, // 绿色4x小部件背景
+ R.drawable.widget_4x_red // 红色4x小部件背景
+ };
+
+ /**
+ * 获取4x尺寸小部件背景资源ID
+ * @param id 颜色索引
+ * @return 对应的drawable资源ID
+ */
+ public static int getWidget4xBgResource(int id) {
+ return BG_4X_RESOURCES[id];
+ }
+ }
+
+ // ======================= 文本外观资源类 =======================
+ /**
+ * TextAppearanceResources - 文本外观资源类
+ * 管理便签内容的字体大小样式资源
+ * 包含对偏好设置中存储异常的处理
+ */
+ public static class TextAppearanceResources {
+ // 文本外观样式资源数组
+ // 索引对应字体大小常量:0=小, 1=中, 2=大, 3=超大
+ private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] {
+ R.style.TextAppearanceNormal, // 小号字体样式
+ R.style.TextAppearanceMedium, // 中号字体样式
+ R.style.TextAppearanceLarge, // 大号字体样式
+ R.style.TextAppearanceSuper // 超大号字体样式
+ };
+
+ /**
+ * 获取文本外观样式资源ID
+ * 包含对偏好设置中存储错误ID的修复处理
+ * @param id 字体大小索引
+ * @return 对应的style资源ID
+ */
+ public static int getTexAppearanceResource(int id) {
+ /**
+ * HACKME: 修复在偏好设置中存储资源ID的bug
+ * 问题:从偏好设置读取的id可能超过资源数组长度
+ * 解决:如果id超出范围,返回默认字体大小
+ */
+ if (id >= TEXTAPPEARANCE_RESOURCES.length) {
+ return BG_DEFAULT_FONT_SIZE; // 返回默认字体大小索引
+ }
+ return TEXTAPPEARANCE_RESOURCES[id];
+ }
+
+ /**
+ * 获取文本外观资源数组长度
+ * 用于验证和边界检查
+ * @return 字体大小样式总数
+ */
+ public static int getResourcesSize() {
+ return TEXTAPPEARANCE_RESOURCES.length;
+ }
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/tool/SearchHistoryManager.java b/java/net/micode/notes/tool/SearchHistoryManager.java
new file mode 100644
index 0000000..d33a004
--- /dev/null
+++ b/java/net/micode/notes/tool/SearchHistoryManager.java
@@ -0,0 +1,143 @@
+/*
+ * 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.content.SharedPreferences;
+import android.text.TextUtils;
+import android.util.Log;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * SearchHistoryManager - 搜索历史记录管理类
+ * 使用SharedPreferences存储搜索历史记录
+ */
+public class SearchHistoryManager {
+ private static final String TAG = "SearchHistoryManager";
+
+ // SharedPreferences文件名
+ private static final String PREFERENCE_NAME = "search_history";
+
+ // 搜索历史键
+ private static final String KEY_SEARCH_HISTORY = "search_history";
+
+ // 最大历史记录数量
+ private static final int MAX_HISTORY_COUNT = 10;
+
+ // 单例实例
+ private static SearchHistoryManager sInstance;
+
+ // SharedPreferences实例
+ private SharedPreferences mSharedPreferences;
+
+ /**
+ * 私有构造函数
+ * @param context 上下文
+ */
+ private SearchHistoryManager(Context context) {
+ mSharedPreferences = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
+ }
+
+ /**
+ * 获取单例实例
+ * @param context 上下文
+ * @return SearchHistoryManager实例
+ */
+ public static synchronized SearchHistoryManager getInstance(Context context) {
+ if (sInstance == null) {
+ sInstance = new SearchHistoryManager(context.getApplicationContext());
+ }
+ return sInstance;
+ }
+
+ /**
+ * 保存搜索关键词到历史记录
+ * @param keyword 搜索关键词
+ */
+ public void saveSearchKeyword(String keyword) {
+ if (TextUtils.isEmpty(keyword)) {
+ return;
+ }
+
+ // 获取现有历史记录
+ List historyList = getSearchHistoryList();
+
+ // 如果已存在,移除旧的位置
+ if (historyList.contains(keyword)) {
+ historyList.remove(keyword);
+ }
+
+ // 添加到最前面
+ historyList.add(0, keyword);
+
+ // 限制历史记录数量
+ if (historyList.size() > MAX_HISTORY_COUNT) {
+ historyList = historyList.subList(0, MAX_HISTORY_COUNT);
+ }
+
+ // 保存到SharedPreferences
+ saveHistoryList(historyList);
+ }
+
+ /**
+ * 获取搜索历史记录列表
+ * @return 搜索历史记录列表
+ */
+ public List getSearchHistoryList() {
+ List historyList = new ArrayList<>();
+
+ try {
+ String historyJson = mSharedPreferences.getString(KEY_SEARCH_HISTORY, "[]");
+ JSONArray jsonArray = new JSONArray(historyJson);
+
+ for (int i = 0; i < jsonArray.length(); i++) {
+ historyList.add(jsonArray.getString(i));
+ }
+ } catch (JSONException e) {
+ Log.e(TAG, "Failed to parse search history: " + e.getMessage());
+ }
+
+ return historyList;
+ }
+
+ /**
+ * 清除所有搜索历史记录
+ */
+ public void clearSearchHistory() {
+ mSharedPreferences.edit().remove(KEY_SEARCH_HISTORY).apply();
+ }
+
+ /**
+ * 保存历史记录列表到SharedPreferences
+ * @param historyList 历史记录列表
+ */
+ private void saveHistoryList(List historyList) {
+ try {
+ JSONArray jsonArray = new JSONArray(historyList);
+ mSharedPreferences.edit().putString(KEY_SEARCH_HISTORY, jsonArray.toString()).apply();
+ } catch (Exception e) {
+ Log.e(TAG, "Failed to save search history: " + e.getMessage());
+ }
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/ui/AlarmAlertActivity.java b/java/net/micode/notes/ui/AlarmAlertActivity.java
new file mode 100644
index 0000000..5de17e8
--- /dev/null
+++ b/java/net/micode/notes/ui/AlarmAlertActivity.java
@@ -0,0 +1,270 @@
+/*
+ * 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.
+ */
+
+// AlarmAlertActivity.java - 闹钟提醒Activity
+// 主要功能:显示便签闹钟提醒,在指定时间弹出提醒对话框并播放提示音
+package net.micode.notes.ui;
+
+// ======================= 导入区域 =======================
+// Android基础类
+import android.app.Activity; // Activity基类
+import android.app.AlertDialog; // 警告对话框
+import android.content.Context; // 上下文
+import android.content.DialogInterface; // 对话框接口
+import android.content.DialogInterface.OnClickListener; // 对话框点击监听
+import android.content.DialogInterface.OnDismissListener; // 对话框关闭监听
+import android.content.Intent; // Intent,用于跳转
+import android.media.AudioManager; // 音频管理
+import android.media.MediaPlayer; // 媒体播放器
+import android.media.RingtoneManager; // 铃声管理器
+import android.net.Uri; // URI
+import android.os.Bundle; // Bundle,用于保存状态
+import android.os.PowerManager; // 电源管理
+import android.provider.Settings; // 系统设置
+import android.view.Window; // 窗口
+import android.view.WindowManager; // 窗口管理器
+
+// 应用内部资源
+import net.micode.notes.R; // 资源文件R类
+import net.micode.notes.data.Notes; // Notes主类
+import net.micode.notes.tool.DataUtils; // 数据工具类
+
+// Java IO
+import java.io.IOException; // IO异常
+
+// ======================= 闹钟提醒Activity =======================
+/**
+ * AlarmAlertActivity - 闹钟提醒Activity
+ * 全屏对话框形式显示,即使在锁屏状态下也会弹出
+ * 实现功能:显示便签内容、播放提示音、提供操作按钮
+ * 实现接口:OnClickListener(对话框按钮点击),OnDismissListener(对话框关闭)
+ */
+public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
+ // 成员变量
+ private long mNoteId; // 便签ID,从Intent中获取
+ private String mSnippet; // 便签摘要,用于对话框显示
+ private static final int SNIPPET_PREW_MAX_LEN = 60; // 摘要预览最大长度
+ MediaPlayer mPlayer; // 媒体播放器,用于播放提示音
+
+ // ======================= 生命周期方法 =======================
+
+ /**
+ * onCreate - Activity创建时的初始化方法
+ * 主要任务:
+ * 1. 设置窗口属性(全屏、锁屏显示)
+ * 2. 获取便签ID和内容
+ * 3. 检查便签是否存在
+ * 4. 显示提醒对话框
+ * 5. 播放提示音
+ * @param savedInstanceState 保存的状态(此处为null,因是新建Activity)
+ */
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ // 1. 设置窗口属性
+ // 请求无标题栏
+ requestWindowFeature(Window.FEATURE_NO_TITLE);
+
+ // 获取窗口对象
+ final Window win = getWindow();
+ // 添加标志:在锁屏状态下显示
+ win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
+
+ // 如果屏幕是关闭状态,添加更多标志
+ if (!isScreenOn()) {
+ win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON // 保持屏幕常亮
+ | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON // 点亮屏幕
+ | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON // 允许锁屏
+ | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR); // 布局装饰
+ }
+
+ // 2. 获取Intent数据
+ Intent intent = getIntent();
+
+ try {
+ // 从Intent的URI中解析便签ID
+ // URI格式示例:content://micode_notes/note/123
+ // getPathSegments()返回["note", "123"],取索引1得到"123"
+ mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
+
+ // 通过工具类获取便签摘要
+ mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
+
+ // 3. 处理摘要显示长度
+ // 如果摘要过长,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) {
+ // URI解析或ID转换异常
+ e.printStackTrace();
+ return; // 异常时直接返回,不继续执行
+ }
+
+ // 4. 初始化媒体播放器
+ mPlayer = new MediaPlayer();
+
+ // 5. 检查便签是否可见(存在且不在回收站)
+ if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
+ // 便签存在,显示对话框
+ showActionDialog();
+ // 播放提示音
+ playAlarmSound();
+ } else {
+ // 便签不存在(可能已被删除),直接结束Activity
+ finish();
+ }
+ }
+
+ /**
+ * 检查屏幕是否亮屏
+ * @return true: 屏幕已亮; false: 屏幕关闭
+ */
+ private boolean isScreenOn() {
+ // 获取电源管理器服务
+ PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
+ // 判断屏幕是否亮屏(已废弃,但兼容旧版本)
+ return pm.isScreenOn();
+ }
+
+ // ======================= 提示音播放 =======================
+
+ /**
+ * 播放闹钟提示音
+ * 使用系统默认的闹钟铃声
+ */
+ private void playAlarmSound() {
+ // 1. 获取系统默认闹钟铃声URI
+ Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
+
+ // 2. 获取静音模式设置
+ // 检查哪些音频流受静音模式影响
+ int silentModeStreams = Settings.System.getInt(getContentResolver(),
+ Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
+
+ // 3. 设置音频流类型
+ // 判断闹钟音频流是否受静音模式影响
+ if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) {
+ // 受静音影响,使用系统设置的类型
+ mPlayer.setAudioStreamType(silentModeStreams);
+ } else {
+ // 不受静音影响,使用闹钟音频流
+ mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
+ }
+
+ // 4. 设置数据源并播放
+ try {
+ mPlayer.setDataSource(this, url); // 设置铃声URI
+ mPlayer.prepare(); // 准备播放
+ mPlayer.setLooping(true); // 循环播放
+ mPlayer.start(); // 开始播放
+ } catch (IllegalArgumentException e) {
+ // URI格式错误
+ e.printStackTrace();
+ } catch (SecurityException e) {
+ // 权限不足
+ e.printStackTrace();
+ } catch (IllegalStateException e) {
+ // 播放器状态错误
+ e.printStackTrace();
+ } catch (IOException e) {
+ // IO错误,文件读取失败
+ e.printStackTrace();
+ }
+ }
+
+ // ======================= 提醒对话框 =======================
+
+ /**
+ * 显示操作对话框
+ * 对话框内容:应用名称 + 便签摘要 + 操作按钮
+ */
+ private void showActionDialog() {
+ // 1. 创建对话框构建器
+ AlertDialog.Builder dialog = new AlertDialog.Builder(this);
+
+ // 2. 设置对话框内容
+ dialog.setTitle(R.string.app_name); // 应用名称作为标题
+ dialog.setMessage(mSnippet); // 便签摘要作为内容
+
+ // 3. 设置按钮
+ // 确定按钮 - 关闭提醒
+ dialog.setPositiveButton(R.string.notealert_ok, this);
+
+ // 如果屏幕已亮,显示"进入"按钮(跳转到便签编辑)
+ if (isScreenOn()) {
+ dialog.setNegativeButton(R.string.notealert_enter, this);
+ }
+
+ // 4. 显示对话框并设置关闭监听
+ dialog.show().setOnDismissListener(this);
+ }
+
+ // ======================= 对话框事件处理 =======================
+
+ /**
+ * 对话框按钮点击回调
+ * 实现OnClickListener接口
+ * @param dialog 被点击的对话框
+ * @param which 被点击的按钮标识
+ * BUTTON_POSITIVE: 确定按钮
+ * BUTTON_NEGATIVE: 进入按钮(仅在屏幕亮时显示)
+ * BUTTON_NEUTRAL: 中立按钮(未使用)
+ */
+ public void onClick(DialogInterface dialog, int which) {
+ switch (which) {
+ case DialogInterface.BUTTON_NEGATIVE:
+ // "进入"按钮:跳转到便签编辑界面
+ Intent intent = new Intent(this, NoteEditActivity.class);
+ intent.setAction(Intent.ACTION_VIEW); // 查看动作
+ intent.putExtra(Intent.EXTRA_UID, mNoteId); // 传递便签ID
+ startActivity(intent);
+ break;
+ default:
+ // 其他按钮(确定按钮)不执行额外操作
+ // 对话框关闭后会触发onDismiss,自动结束Activity
+ break;
+ }
+ }
+
+ /**
+ * 对话框关闭回调
+ * 实现OnDismissListener接口
+ * 无论点击哪个按钮,对话框关闭时都会执行
+ * @param dialog 被关闭的对话框
+ */
+ public void onDismiss(DialogInterface dialog) {
+ // 停止播放提示音
+ stopAlarmSound();
+ // 结束Activity
+ finish();
+ }
+
+ // ======================= 资源清理 =======================
+
+ /**
+ * 停止播放提示音
+ * 释放MediaPlayer资源
+ */
+ private void stopAlarmSound() {
+ if (mPlayer != null) {
+ mPlayer.stop(); // 停止播放
+ mPlayer.release(); // 释放资源
+ mPlayer = null; // 置空引用,帮助GC
+ }
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/ui/AlarmInitReceiver.java b/java/net/micode/notes/ui/AlarmInitReceiver.java
new file mode 100644
index 0000000..76d21b0
--- /dev/null
+++ b/java/net/micode/notes/ui/AlarmInitReceiver.java
@@ -0,0 +1,143 @@
+/*
+ * 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.
+ */
+
+// AlarmInitReceiver.java - 闹钟初始化广播接收器
+// 主要功能:在设备启动后重新注册所有未触发的便签闹钟提醒
+package net.micode.notes.ui;
+
+// ======================= 导入区域 =======================
+// Android闹钟相关
+import android.app.AlarmManager; // 闹钟管理器,用于设置系统闹钟
+import android.app.PendingIntent; // 待定意图,用于延迟执行
+// Android广播相关
+import android.content.BroadcastReceiver; // 广播接收器基类
+import android.content.ContentUris; // URI工具,用于构建带ID的URI
+import android.content.Context; // 上下文
+import android.content.Intent; // 意图
+// Android数据库相关
+import android.database.Cursor; // 数据库查询结果游标
+
+// 应用内部数据模型
+import net.micode.notes.data.Notes; // Notes主类
+import net.micode.notes.data.Notes.NoteColumns; // 便签表列定义
+
+// ======================= 闹钟初始化广播接收器 =======================
+/**
+ * AlarmInitReceiver - 闹钟初始化广播接收器
+ * 继承自BroadcastReceiver,接收系统启动完成广播
+ * 主要功能:设备重启后重新注册所有未来的闹钟提醒
+ *
+ * AndroidManifest.xml中注册:
+ *
+ *
+ *
+ *
+ *
+ */
+public class AlarmInitReceiver extends BroadcastReceiver {
+
+ // ======================= 数据库查询配置 =======================
+
+ /**
+ * 查询投影数组 - 指定从数据库查询哪些字段
+ * 优化查询性能,只获取需要的字段
+ */
+ private static final String [] PROJECTION = new String [] {
+ NoteColumns.ID, // 0 - 便签ID,用于构建PendingIntent
+ NoteColumns.ALERTED_DATE // 1 - 提醒时间,用于设置闹钟
+ };
+
+ // 字段索引常量 - 提高代码可读性和维护性
+ private static final int COLUMN_ID = 0; // ID字段索引
+ private static final int COLUMN_ALERTED_DATE = 1; // 提醒时间字段索引
+
+ // ======================= 广播接收回调方法 =======================
+
+ /**
+ * onReceive - 广播接收回调方法
+ * 当接收到android.intent.action.BOOT_COMPLETED广播时调用
+ * 执行流程:
+ * 1. 查询所有未来需要提醒的便签
+ * 2. 为每个便签重新注册系统闹钟
+ * 3. 关闭数据库游标
+ *
+ * @param context 广播接收器的上下文
+ * @param intent 接收到的广播意图(包含BOOT_COMPLETED动作)
+ */
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ // 1. 获取当前时间戳,用于查询未来提醒
+ long currentDate = System.currentTimeMillis();
+
+ // 2. 查询数据库,获取所有未来需要提醒的便签
+ // 查询条件:提醒时间 > 当前时间 且 类型为普通便签
+ Cursor c = context.getContentResolver().query(
+ Notes.CONTENT_NOTE_URI, // 便签表内容URI
+ PROJECTION, // 查询字段:ID和提醒时间
+ NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
+ new String[] { String.valueOf(currentDate) }, // 查询参数:当前时间
+ null); // 排序方式(null表示默认)
+
+ // 3. 检查查询结果是否有效
+ if (c != null) {
+ // 4. 遍历查询结果,为每个便签设置闹钟
+ if (c.moveToFirst()) {
+ do {
+ // 4.1 获取便签的提醒时间
+ long alertDate = c.getLong(COLUMN_ALERTED_DATE);
+
+ // 4.2 创建AlarmReceiver的Intent
+ // AlarmReceiver是实际处理闹钟触发的广播接收器
+ Intent sender = new Intent(context, AlarmReceiver.class);
+
+ // 4.3 设置Intent的数据URI,包含便签ID
+ // URI格式:content://micode_notes/note/{noteId}
+ sender.setData(ContentUris.withAppendedId(
+ Notes.CONTENT_NOTE_URI,
+ c.getLong(COLUMN_ID)
+ ));
+
+ // 4.4 创建PendingIntent
+ // 参数说明:
+ // - context: 上下文
+ // - requestCode: 请求码(0表示默认)
+ // - intent: 要执行的Intent
+ // - flags: 标志位(0表示默认)
+ PendingIntent pendingIntent = PendingIntent.getBroadcast(
+ context,
+ 0,
+ sender,
+ 0
+ );
+
+ // 4.5 获取系统闹钟管理器
+ AlarmManager alarmManager = (AlarmManager) context
+ .getSystemService(Context.ALARM_SERVICE);
+
+ // 4.6 设置系统闹钟
+ // 参数说明:
+ // - AlarmManager.RTC_WAKEUP: 使用实时时钟,触发时唤醒设备
+ // - alertDate: 触发时间(毫秒时间戳)
+ // - pendingIntent: 触发时执行的PendingIntent
+ alarmManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
+
+ } while (c.moveToNext()); // 继续处理下一个便签
+ }
+ // 5. 关闭游标,释放数据库资源
+ c.close();
+ }
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/ui/AlarmReceiver.java b/java/net/micode/notes/ui/AlarmReceiver.java
new file mode 100644
index 0000000..944c9af
--- /dev/null
+++ b/java/net/micode/notes/ui/AlarmReceiver.java
@@ -0,0 +1,77 @@
+/*
+ * 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.
+ */
+
+// AlarmReceiver.java - 闹钟触发广播接收器
+// 主要功能:接收系统闹钟触发广播,启动闹钟提醒Activity
+package net.micode.notes.ui;
+
+// ======================= 导入区域 =======================
+// Android广播相关
+import android.content.BroadcastReceiver; // 广播接收器基类
+import android.content.Context; // 上下文
+import android.content.Intent; // 意图,用于启动Activity
+
+// ======================= 闹钟触发广播接收器 =======================
+/**
+ * AlarmReceiver - 闹钟触发广播接收器
+ * 继承自BroadcastReceiver,接收系统闹钟触发的广播
+ * 主要功能:将系统闹钟广播转换为启动AlarmAlertActivity
+ *
+ * AndroidManifest.xml中注册:
+ *
+ *
+ * 独立进程运行,确保即使主进程被杀死也能接收闹钟
+ */
+public class AlarmReceiver extends BroadcastReceiver {
+
+ /**
+ * onReceive - 广播接收回调方法
+ * 当系统闹钟触发时被调用
+ * 执行流程:
+ * 1. 修改Intent的目标类为AlarmAlertActivity
+ * 2. 添加NEW_TASK标志
+ * 3. 启动闹钟提醒Activity
+ *
+ * 工作流程:
+ * 系统闹钟触发 → AlarmReceiver接收 → 启动AlarmAlertActivity → 显示提醒
+ *
+ * @param context 广播接收器的上下文
+ * @param intent 接收到的广播意图,包含以下信息:
+ * - Data URI: content://micode_notes/note/{noteId} (来自AlarmInitReceiver的设置)
+ * - 可能包含其他闹钟相关数据
+ */
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ // 1. 修改Intent的目标Activity类
+ // 原始Intent来自AlarmInitReceiver设置的PendingIntent
+ // 这里将目标类改为AlarmAlertActivity
+ intent.setClass(context, AlarmAlertActivity.class);
+
+ // 2. 添加NEW_TASK标志
+ // 原因:从广播接收器启动Activity必须在独立任务栈中
+ // FLAG_ACTIVITY_NEW_TASK作用:
+ // - 创建新的任务栈
+ // - 允许从非Activity上下文(BroadcastReceiver)启动Activity
+ // - 避免与现有Activity的任务栈冲突
+ intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+ // 3. 启动闹钟提醒Activity
+ // 启动后,AlarmAlertActivity将显示全屏提醒对话框
+ context.startActivity(intent);
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/ui/DateTimePicker.java b/java/net/micode/notes/ui/DateTimePicker.java
new file mode 100644
index 0000000..9418f55
--- /dev/null
+++ b/java/net/micode/notes/ui/DateTimePicker.java
@@ -0,0 +1,680 @@
+/*
+ * 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.
+ */
+
+// DateTimePicker.java - 日期时间选择器自定义控件
+// 主要功能:提供便签闹钟设置所需的日期和时间选择界面
+package net.micode.notes.ui;
+
+// ======================= 导入区域 =======================
+// Java日期时间相关
+import java.text.DateFormatSymbols; // 日期格式符号,用于获取AM/PM字符串
+import java.util.Calendar; // 日历类,用于日期时间计算
+
+// 应用内部资源
+import net.micode.notes.R; // 资源文件R类
+
+// Android相关
+import android.content.Context; // 上下文
+import android.text.format.DateFormat; // 日期格式化工具
+import android.view.View; // 视图基类
+import android.widget.FrameLayout; // 帧布局容器
+import android.widget.NumberPicker; // 数字选择器控件
+
+// ======================= 日期时间选择器控件 =======================
+/**
+ * DateTimePicker - 自定义日期时间选择器
+ * 继承自FrameLayout,包含多个NumberPicker控件
+ * 功能:日期(近7天)、小时、分钟、AM/PM选择
+ * 支持12小时制和24小时制两种显示模式
+ */
+public class DateTimePicker extends FrameLayout {
+
+ // ======================= 常量定义 =======================
+
+ /** 默认启用状态 - 控件初始化时的默认可用状态 */
+ private static final boolean DEFAULT_ENABLE_STATE = true;
+
+ /** 半天的小时数 - 12小时制使用 */
+ private static final int HOURS_IN_HALF_DAY = 12;
+ /** 全天的小时数 - 24小时制使用 */
+ private static final int HOURS_IN_ALL_DAY = 24;
+ /** 一周的天数 - 日期选择器显示的天数范围 */
+ private static final int DAYS_IN_ALL_WEEK = 7;
+
+ // 日期选择器范围常量
+ private static final int DATE_SPINNER_MIN_VAL = 0; // 日期选择器最小值
+ private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1; // 日期选择器最大值
+
+ // 24小时制小时选择器范围常量
+ private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0; // 24小时制最小值
+ private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23; // 24小时制最大值
+
+ // 12小时制小时选择器范围常量
+ private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1; // 12小时制最小值
+ private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12; // 12小时制最大值
+
+ // 分钟选择器范围常量
+ private static final int MINUT_SPINNER_MIN_VAL = 0; // 分钟最小值
+ private static final int MINUT_SPINNER_MAX_VAL = 59; // 分钟最大值
+
+ // AM/PM选择器范围常量
+ private static final int AMPM_SPINNER_MIN_VAL = 0; // AM索引
+ private static final int AMPM_SPINNER_MAX_VAL = 1; // PM索引
+
+ // ======================= 控件成员变量 =======================
+
+ /** 日期选择器 - 显示近7天的日期 */
+ private final NumberPicker mDateSpinner;
+ /** 小时选择器 - 显示小时(12/24小时制) */
+ private final NumberPicker mHourSpinner;
+ /** 分钟选择器 - 显示分钟 */
+ private final NumberPicker mMinuteSpinner;
+ /** AM/PM选择器 - 显示上午/下午(12小时制时显示) */
+ private final NumberPicker mAmPmSpinner;
+
+ /** 当前日期时间 - Calendar对象保存当前选择的时间 */
+ private Calendar mDate;
+
+ /** 日期显示值数组 - 存储近7天的格式化字符串 */
+ private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
+
+ // ======================= 状态标志 =======================
+
+ /** AM/PM标志 - true: 上午; false: 下午 */
+ private boolean mIsAm;
+ /** 24小时制标志 - true: 24小时制; false: 12小时制 */
+ private boolean mIs24HourView;
+ /** 启用状态标志 - 控件是否可用 */
+ private boolean mIsEnabled = DEFAULT_ENABLE_STATE;
+ /** 初始化标志 - 防止初始化时触发回调 */
+ private boolean mInitialising;
+
+ // ======================= 回调监听器 =======================
+
+ /** 日期时间变化监听器 - 当选择的时间发生变化时回调 */
+ private OnDateTimeChangedListener mOnDateTimeChangedListener;
+
+ // ======================= 日期选择器值变化监听器 =======================
+
+ /**
+ * 日期选择器值变化监听器
+ * 当用户滚动日期选择器时触发
+ */
+ private NumberPicker.OnValueChangeListener mOnDateChangedListener =
+ new NumberPicker.OnValueChangeListener() {
+ @Override
+ public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+ // 计算日期变化量(新值-旧值),并更新Calendar
+ mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal);
+ // 更新日期控件显示
+ updateDateControl();
+ // 触发日期时间变化回调
+ onDateTimeChanged();
+ }
+ };
+
+ // ======================= 小时选择器值变化监听器 =======================
+
+ /**
+ * 小时选择器值变化监听器
+ * 处理小时变化时的特殊逻辑(跨天、AM/PM切换)
+ */
+ private NumberPicker.OnValueChangeListener mOnHourChangedListener =
+ new NumberPicker.OnValueChangeListener() {
+ @Override
+ public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+ boolean isDateChanged = false; // 日期是否变化标志
+ Calendar cal = Calendar.getInstance(); // 临时Calendar用于计算
+
+ if (!mIs24HourView) {
+ // ===== 12小时制处理逻辑 =====
+ // 情况1:PM 11点 -> PM 12点,需要加1天
+ if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) {
+ cal.setTimeInMillis(mDate.getTimeInMillis());
+ cal.add(Calendar.DAY_OF_YEAR, 1);
+ isDateChanged = true;
+ }
+ // 情况2:AM 12点 -> AM 11点,需要减1天
+ else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
+ cal.setTimeInMillis(mDate.getTimeInMillis());
+ cal.add(Calendar.DAY_OF_YEAR, -1);
+ isDateChanged = true;
+ }
+
+ // 处理AM/PM切换(12点前后切换时)
+ if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY ||
+ oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
+ mIsAm = !mIsAm; // 切换AM/PM标志
+ updateAmPmControl(); // 更新AM/PM控件
+ }
+ } else {
+ // ===== 24小时制处理逻辑 =====
+ // 情况1:23点 -> 0点,需要加1天
+ if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
+ cal.setTimeInMillis(mDate.getTimeInMillis());
+ cal.add(Calendar.DAY_OF_YEAR, 1);
+ isDateChanged = true;
+ }
+ // 情况2:0点 -> 23点,需要减1天
+ else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
+ cal.setTimeInMillis(mDate.getTimeInMillis());
+ cal.add(Calendar.DAY_OF_YEAR, -1);
+ isDateChanged = true;
+ }
+ }
+
+ // 计算实际的小时值(12小时制需要转换)
+ int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);
+ mDate.set(Calendar.HOUR_OF_DAY, newHour);
+
+ // 触发回调
+ onDateTimeChanged();
+
+ // 如果日期发生变化,更新年月日
+ if (isDateChanged) {
+ setCurrentYear(cal.get(Calendar.YEAR));
+ setCurrentMonth(cal.get(Calendar.MONTH));
+ setCurrentDay(cal.get(Calendar.DAY_OF_MONTH));
+ }
+ }
+ };
+
+ // ======================= 分钟选择器值变化监听器 =======================
+
+ /**
+ * 分钟选择器值变化监听器
+ * 处理分钟滚动时的特殊逻辑(59分到0分,0分到59分)
+ */
+ private NumberPicker.OnValueChangeListener mOnMinuteChangedListener =
+ new NumberPicker.OnValueChangeListener() {
+ @Override
+ public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+ int minValue = mMinuteSpinner.getMinValue(); // 分钟最小值(0)
+ int maxValue = mMinuteSpinner.getMaxValue(); // 分钟最大值(59)
+ int offset = 0; // 小时偏移量
+
+ // 情况1:59分 -> 0分,小时加1
+ if (oldVal == maxValue && newVal == minValue) {
+ offset += 1;
+ }
+ // 情况2:0分 -> 59分,小时减1
+ else if (oldVal == minValue && newVal == maxValue) {
+ offset -= 1;
+ }
+
+ // 如果需要调整小时
+ if (offset != 0) {
+ mDate.add(Calendar.HOUR_OF_DAY, offset); // 调整小时
+ mHourSpinner.setValue(getCurrentHour()); // 更新小时选择器
+ updateDateControl(); // 更新日期控件
+
+ // 更新AM/PM状态
+ int newHour = getCurrentHourOfDay();
+ if (newHour >= HOURS_IN_HALF_DAY) {
+ mIsAm = false;
+ updateAmPmControl();
+ } else {
+ mIsAm = true;
+ updateAmPmControl();
+ }
+ }
+
+ // 设置新的分钟值
+ mDate.set(Calendar.MINUTE, newVal);
+ onDateTimeChanged(); // 触发回调
+ }
+ };
+
+ // ======================= AM/PM选择器值变化监听器 =======================
+
+ /**
+ * AM/PM选择器值变化监听器
+ * 处理上午/下午切换时的逻辑
+ */
+ private NumberPicker.OnValueChangeListener mOnAmPmChangedListener =
+ new NumberPicker.OnValueChangeListener() {
+ @Override
+ public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+ mIsAm = !mIsAm; // 切换AM/PM标志
+
+ // 根据AM/PM调整小时
+ if (mIsAm) {
+ mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY); // PM转AM,减12小时
+ } else {
+ mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY); // AM转PM,加12小时
+ }
+
+ updateAmPmControl(); // 更新AM/PM控件
+ onDateTimeChanged(); // 触发回调
+ }
+ };
+
+ // ======================= 回调接口定义 =======================
+
+ /**
+ * OnDateTimeChangedListener - 日期时间变化监听器接口
+ * 当用户修改日期时间时回调
+ */
+ public interface OnDateTimeChangedListener {
+ /**
+ * 日期时间变化回调方法
+ * @param view 触发变化的DateTimePicker控件
+ * @param year 年
+ * @param month 月(0-11)
+ * @param dayOfMonth 日(1-31)
+ * @param hourOfDay 小时(0-23)
+ * @param minute 分钟(0-59)
+ */
+ void onDateTimeChanged(DateTimePicker view, int year, int month,
+ int dayOfMonth, int hourOfDay, int minute);
+ }
+
+ // ======================= 构造函数 =======================
+
+ /**
+ * 构造函数1 - 使用当前时间
+ * @param context 上下文
+ */
+ public DateTimePicker(Context context) {
+ this(context, System.currentTimeMillis()); // 调用构造函数2
+ }
+
+ /**
+ * 构造函数2 - 指定时间戳
+ * @param context 上下文
+ * @param date 时间戳(毫秒)
+ */
+ public DateTimePicker(Context context, long date) {
+ this(context, date, DateFormat.is24HourFormat(context)); // 调用构造函数3
+ }
+
+ /**
+ * 构造函数3 - 完整参数
+ * @param context 上下文
+ * @param date 时间戳(毫秒)
+ * @param is24HourView 是否24小时制
+ */
+ public DateTimePicker(Context context, long date, boolean is24HourView) {
+ super(context);
+
+ // 1. 初始化成员变量
+ mDate = Calendar.getInstance(); // 创建Calendar实例
+ mInitialising = true; // 标记为初始化中
+ mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY; // 根据当前时间判断AM/PM
+
+ // 2. 加载布局文件
+ inflate(context, R.layout.datetime_picker, this);
+
+ // 3. 初始化日期选择器
+ mDateSpinner = (NumberPicker) findViewById(R.id.date);
+ mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
+ mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
+ mDateSpinner.setOnValueChangedListener(mOnDateChangedListener);
+
+ // 4. 初始化小时选择器
+ mHourSpinner = (NumberPicker) findViewById(R.id.hour);
+ mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);
+
+ // 5. 初始化分钟选择器
+ mMinuteSpinner = (NumberPicker) findViewById(R.id.minute);
+ mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);
+ mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);
+ mMinuteSpinner.setOnLongPressUpdateInterval(100); // 长按滚动间隔100ms
+ mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);
+
+ // 6. 初始化AM/PM选择器
+ String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings(); // 获取AM/PM本地化字符串
+ mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm);
+ mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL);
+ mAmPmSpinner.setMaxValue(AMPM_SPINNER_MAX_VAL);
+ mAmPmSpinner.setDisplayedValues(stringsForAmPm); // 设置显示值
+ mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);
+
+ // 7. 更新控件初始状态
+ updateDateControl(); // 更新日期显示
+ updateHourControl(); // 更新小时范围
+ updateAmPmControl(); // 更新AM/PM显示
+
+ // 8. 设置24小时制模式
+ set24HourView(is24HourView);
+
+ // 9. 设置当前时间
+ setCurrentDate(date);
+
+ // 10. 设置启用状态
+ setEnabled(isEnabled());
+
+ // 11. 初始化完成
+ mInitialising = false;
+ }
+
+ // ======================= 控件状态管理 =======================
+
+ /**
+ * 设置控件启用状态
+ * @param enabled true: 启用; false: 禁用
+ */
+ @Override
+ public void setEnabled(boolean enabled) {
+ if (mIsEnabled == enabled) {
+ return; // 状态未变化,直接返回
+ }
+ super.setEnabled(enabled);
+ // 设置所有子控件的启用状态
+ mDateSpinner.setEnabled(enabled);
+ mMinuteSpinner.setEnabled(enabled);
+ mHourSpinner.setEnabled(enabled);
+ mAmPmSpinner.setEnabled(enabled);
+ mIsEnabled = enabled;
+ }
+
+ /**
+ * 获取控件启用状态
+ * @return true: 启用; false: 禁用
+ */
+ @Override
+ public boolean isEnabled() {
+ return mIsEnabled;
+ }
+
+ // ======================= 获取当前日期时间 =======================
+
+ /**
+ * 获取当前日期的时间戳
+ * @return 时间戳(毫秒)
+ */
+ public long getCurrentDateInTimeMillis() {
+ return mDate.getTimeInMillis();
+ }
+
+ /**
+ * 设置当前日期(时间戳版本)
+ * @param date 时间戳(毫秒)
+ */
+ public void setCurrentDate(long date) {
+ Calendar cal = Calendar.getInstance();
+ cal.setTimeInMillis(date);
+ setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH),
+ cal.get(Calendar.DAY_OF_MONTH), cal.get(Calendar.HOUR_OF_DAY),
+ cal.get(Calendar.MINUTE));
+ }
+
+ /**
+ * 设置当前日期(详细参数版本)
+ * @param year 年
+ * @param month 月(0-11)
+ * @param dayOfMonth 日(1-31)
+ * @param hourOfDay 小时(0-23)
+ * @param minute 分钟(0-59)
+ */
+ public void setCurrentDate(int year, int month,
+ int dayOfMonth, int hourOfDay, int minute) {
+ setCurrentYear(year);
+ setCurrentMonth(month);
+ setCurrentDay(dayOfMonth);
+ setCurrentHour(hourOfDay);
+ setCurrentMinute(minute);
+ }
+
+ // ======================= 年、月、日操作方法 =======================
+
+ /**
+ * 获取当前年
+ * @return 年
+ */
+ public int getCurrentYear() {
+ return mDate.get(Calendar.YEAR);
+ }
+
+ /**
+ * 设置当前年
+ * @param year 年
+ */
+ public void setCurrentYear(int year) {
+ if (!mInitialising && year == getCurrentYear()) {
+ return; // 初始化时或值未变化时不触发回调
+ }
+ mDate.set(Calendar.YEAR, year);
+ updateDateControl(); // 更新日期显示
+ onDateTimeChanged(); // 触发回调
+ }
+
+ /**
+ * 获取当前月
+ * @return 月(0-11)
+ */
+ public int getCurrentMonth() {
+ return mDate.get(Calendar.MONTH);
+ }
+
+ /**
+ * 设置当前月
+ * @param month 月(0-11)
+ */
+ public void setCurrentMonth(int month) {
+ if (!mInitialising && month == getCurrentMonth()) {
+ return;
+ }
+ mDate.set(Calendar.MONTH, month);
+ updateDateControl();
+ onDateTimeChanged();
+ }
+
+ /**
+ * 获取当前日
+ * @return 日(1-31)
+ */
+ public int getCurrentDay() {
+ return mDate.get(Calendar.DAY_OF_MONTH);
+ }
+
+ /**
+ * 设置当前日
+ * @param dayOfMonth 日(1-31)
+ */
+ public void setCurrentDay(int dayOfMonth) {
+ if (!mInitialising && dayOfMonth == getCurrentDay()) {
+ return;
+ }
+ mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
+ updateDateControl();
+ onDateTimeChanged();
+ }
+
+ // ======================= 小时操作方法 =======================
+
+ /**
+ * 获取当前小时(24小时制)
+ * @return 小时(0-23)
+ */
+ public int getCurrentHourOfDay() {
+ return mDate.get(Calendar.HOUR_OF_DAY);
+ }
+
+ /**
+ * 获取当前小时(根据12/24小时制转换)
+ * @return 小时(12小时制:1-12;24小时制:0-23)
+ */
+ private int getCurrentHour() {
+ if (mIs24HourView){
+ return getCurrentHourOfDay(); // 24小时制直接返回
+ } else {
+ int hour = getCurrentHourOfDay();
+ if (hour > HOURS_IN_HALF_DAY) {
+ return hour - HOURS_IN_HALF_DAY; // PM:13-23转换为1-11
+ } else {
+ return hour == 0 ? HOURS_IN_HALF_DAY : hour; // AM:0点转为12点
+ }
+ }
+ }
+
+ /**
+ * 设置当前小时(24小时制)
+ * @param hourOfDay 小时(0-23)
+ */
+ public void setCurrentHour(int hourOfDay) {
+ if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {
+ return;
+ }
+ mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
+
+ // 12小时制时需要额外处理AM/PM
+ if (!mIs24HourView) {
+ if (hourOfDay >= HOURS_IN_HALF_DAY) {
+ mIsAm = false; // PM
+ if (hourOfDay > HOURS_IN_HALF_DAY) {
+ hourOfDay -= HOURS_IN_HALF_DAY; // 13-23转换为1-11
+ }
+ } else {
+ mIsAm = true; // AM
+ if (hourOfDay == 0) {
+ hourOfDay = HOURS_IN_HALF_DAY; // 0点转为12点
+ }
+ }
+ updateAmPmControl(); // 更新AM/PM控件
+ }
+ mHourSpinner.setValue(hourOfDay); // 设置小时选择器值
+ onDateTimeChanged(); // 触发回调
+ }
+
+ // ======================= 分钟操作方法 =======================
+
+ /**
+ * 获取当前分钟
+ * @return 分钟(0-59)
+ */
+ public int getCurrentMinute() {
+ return mDate.get(Calendar.MINUTE);
+ }
+
+ /**
+ * 设置当前分钟
+ * @param minute 分钟(0-59)
+ */
+ public void setCurrentMinute(int minute) {
+ if (!mInitialising && minute == getCurrentMinute()) {
+ return;
+ }
+ mMinuteSpinner.setValue(minute); // 设置分钟选择器
+ mDate.set(Calendar.MINUTE, minute);
+ onDateTimeChanged();
+ }
+
+ // ======================= 24小时制管理 =======================
+
+ /**
+ * 判断是否为24小时制
+ * @return true: 24小时制; false: 12小时制
+ */
+ public boolean is24HourView () {
+ return mIs24HourView;
+ }
+
+ /**
+ * 设置24小时制模式
+ * @param is24HourView true: 24小时制; false: 12小时制
+ */
+ public void set24HourView(boolean is24HourView) {
+ if (mIs24HourView == is24HourView) {
+ return; // 模式未变化
+ }
+ mIs24HourView = is24HourView;
+
+ // 显示/隐藏AM/PM选择器
+ mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);
+
+ // 获取当前小时并更新控件
+ int hour = getCurrentHourOfDay();
+ updateHourControl(); // 更新小时选择器范围
+ setCurrentHour(hour); // 重新设置小时
+ updateAmPmControl(); // 更新AM/PM状态
+ }
+
+ // ======================= 控件更新方法 =======================
+
+ /**
+ * 更新日期控件显示
+ * 计算并显示当前日期前后3天的日期
+ */
+ private void updateDateControl() {
+ Calendar cal = Calendar.getInstance();
+ cal.setTimeInMillis(mDate.getTimeInMillis());
+ // 从当前日期向前推4天(-3-1 = -4)
+ cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);
+
+ mDateSpinner.setDisplayedValues(null); // 清空显示值
+
+ // 生成7天的日期显示字符串
+ 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); // 设置显示值
+ mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2); // 设置当前为中间位置
+ mDateSpinner.invalidate(); // 重绘控件
+ }
+
+ /**
+ * 更新AM/PM控件
+ * 根据24小时制标志显示/隐藏,根据AM/PM标志设置值
+ */
+ private void updateAmPmControl() {
+ if (mIs24HourView) {
+ mAmPmSpinner.setVisibility(View.GONE); // 24小时制隐藏
+ } else {
+ int index = mIsAm ? Calendar.AM : Calendar.PM; // AM=0, PM=1
+ mAmPmSpinner.setValue(index); // 设置AM/PM选择器值
+ mAmPmSpinner.setVisibility(View.VISIBLE); // 12小时制显示
+ }
+ }
+
+ /**
+ * 更新小时控件范围
+ * 根据12/24小时制设置不同的数值范围
+ */
+ 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);
+ }
+ }
+
+ // ======================= 回调管理 =======================
+
+ /**
+ * 设置日期时间变化监听器
+ * @param callback 监听器实例
+ */
+ public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
+ mOnDateTimeChangedListener = callback;
+ }
+
+ /**
+ * 触发日期时间变化回调
+ * 当日期时间发生变化时调用
+ */
+ private void onDateTimeChanged() {
+ if (mOnDateTimeChangedListener != null) {
+ mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
+ getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(),
+ getCurrentMinute());
+ }
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/ui/DateTimePickerDialog.java b/java/net/micode/notes/ui/DateTimePickerDialog.java
new file mode 100644
index 0000000..11f7236
--- /dev/null
+++ b/java/net/micode/notes/ui/DateTimePickerDialog.java
@@ -0,0 +1,202 @@
+/*
+ * 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.
+ */
+
+// DateTimePickerDialog.java - 日期时间选择对话框
+// 主要功能:封装DateTimePicker控件,提供完整的日期时间选择对话框界面
+package net.micode.notes.ui;
+
+// ======================= 导入区域 =======================
+// Java日期时间
+import java.util.Calendar; // 日历类,用于日期时间计算
+
+// 应用内部资源
+import net.micode.notes.R; // 资源文件R类
+// 应用内部组件
+import net.micode.notes.ui.DateTimePicker; // 日期时间选择器控件
+import net.micode.notes.ui.DateTimePicker.OnDateTimeChangedListener; // 日期时间变化监听器
+
+// Android对话框相关
+import android.app.AlertDialog; // 警告对话框基类
+import android.content.Context; // 上下文
+import android.content.DialogInterface; // 对话框接口
+import android.content.DialogInterface.OnClickListener; // 对话框点击监听器
+// Android日期时间相关
+import android.text.format.DateFormat; // 日期格式化工具
+import android.text.format.DateUtils; // 日期工具类
+
+// ======================= 日期时间选择对话框 =======================
+/**
+ * DateTimePickerDialog - 日期时间选择对话框
+ * 继承自AlertDialog,包含DateTimePicker控件
+ * 功能:提供日期时间选择界面,包含确定/取消按钮
+ * 实现接口:OnClickListener(处理确定按钮点击)
+ */
+public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
+
+ // ======================= 成员变量 =======================
+
+ /** 当前选择的日期时间 - Calendar对象存储用户选择的时间 */
+ private Calendar mDate = Calendar.getInstance();
+
+ /** 24小时制标志 - true: 24小时制; false: 12小时制 */
+ private boolean mIs24HourView;
+
+ /** 日期时间设置回调接口 - 当用户点击确定时回调 */
+ private OnDateTimeSetListener mOnDateTimeSetListener;
+
+ /** 日期时间选择器控件 - 核心选择组件 */
+ private DateTimePicker mDateTimePicker;
+
+ // ======================= 回调接口定义 =======================
+
+ /**
+ * OnDateTimeSetListener - 日期时间设置监听器接口
+ * 当用户完成日期时间选择并点击确定按钮时回调
+ */
+ public interface OnDateTimeSetListener {
+ /**
+ * 日期时间设置回调方法
+ * @param dialog 触发回调的对话框实例
+ * @param date 用户选择的日期时间(时间戳,毫秒)
+ */
+ void OnDateTimeSet(AlertDialog dialog, long date);
+ }
+
+ // ======================= 构造函数 =======================
+
+ /**
+ * 构造函数
+ * 初始化日期时间选择对话框
+ * @param context 上下文
+ * @param date 初始日期时间(时间戳,毫秒)
+ */
+ public DateTimePickerDialog(Context context, long date) {
+ super(context);
+
+ // 1. 创建日期时间选择器控件
+ mDateTimePicker = new DateTimePicker(context);
+
+ // 2. 将选择器控件设置为对话框的内容视图
+ setView(mDateTimePicker);
+
+ // 3. 设置日期时间变化监听器
+ mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
+ /**
+ * 日期时间变化回调
+ * 当用户在DateTimePicker上修改日期时间时触发
+ * @param view 触发变化的DateTimePicker控件
+ * @param year 年
+ * @param month 月(0-11)
+ * @param dayOfMonth 日(1-31)
+ * @param hourOfDay 小时(0-23)
+ * @param minute 分钟(0-59)
+ */
+ public void onDateTimeChanged(DateTimePicker view, int year, int month,
+ int dayOfMonth, int hourOfDay, int minute) {
+ // 更新内部Calendar对象
+ 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);
+
+ // 更新对话框标题显示
+ updateTitle(mDate.getTimeInMillis());
+ }
+ });
+
+ // 4. 设置初始日期时间
+ mDate.setTimeInMillis(date); // 设置时间戳
+ mDate.set(Calendar.SECOND, 0); // 秒数设为0(只精确到分钟)
+
+ // 5. 更新日期时间选择器控件的当前值
+ mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
+
+ // 6. 设置对话框按钮
+ // 确定按钮 - 点击后触发回调
+ setButton(context.getString(R.string.datetime_dialog_ok), this);
+ // 取消按钮 - 点击后直接关闭对话框
+ setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);
+
+ // 7. 设置24小时制模式(根据系统设置)
+ set24HourView(DateFormat.is24HourFormat(this.getContext()));
+
+ // 8. 更新对话框标题显示
+ updateTitle(mDate.getTimeInMillis());
+ }
+
+ // ======================= 24小时制设置 =======================
+
+ /**
+ * 设置24小时制显示模式
+ * @param is24HourView true: 24小时制; false: 12小时制
+ */
+ public void set24HourView(boolean is24HourView) {
+ mIs24HourView = is24HourView;
+ }
+
+ // ======================= 回调监听器设置 =======================
+
+ /**
+ * 设置日期时间设置监听器
+ * @param callBack 监听器实例
+ */
+ public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
+ mOnDateTimeSetListener = callBack;
+ }
+
+ // ======================= 对话框标题更新 =======================
+
+ /**
+ * 更新对话框标题
+ * 根据当前选择的日期时间格式化显示
+ * @param date 日期时间(时间戳,毫秒)
+ */
+ private void updateTitle(long date) {
+ // 设置日期时间显示格式标志
+ int flag =
+ DateUtils.FORMAT_SHOW_YEAR | // 显示年份
+ DateUtils.FORMAT_SHOW_DATE | // 显示日期
+ DateUtils.FORMAT_SHOW_TIME; // 显示时间
+
+ // 根据24小时制标志添加相应格式
+ flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
+ // 注意:这里代码有bug,应该是 FORMAT_24HOUR 或 FORMAT_12HOUR
+
+ // 格式化日期时间并设置为对话框标题
+ setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
+ }
+
+ // ======================= 按钮点击处理 =======================
+
+ /**
+ * 对话框按钮点击回调
+ * 实现OnClickListener接口
+ * 当用户点击确定按钮时触发
+ * @param arg0 被点击的对话框
+ * @param arg1 被点击的按钮标识
+ * DialogInterface.BUTTON_POSITIVE: 确定按钮
+ * DialogInterface.BUTTON_NEGATIVE: 取消按钮
+ * DialogInterface.BUTTON_NEUTRAL: 中立按钮
+ */
+ public void onClick(DialogInterface arg0, int arg1) {
+ // 只有确定按钮会触发此回调
+ if (mOnDateTimeSetListener != null) {
+ // 触发日期时间设置回调
+ mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());
+ }
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/ui/DropdownMenu.java b/java/net/micode/notes/ui/DropdownMenu.java
new file mode 100644
index 0000000..bf1a78e
--- /dev/null
+++ b/java/net/micode/notes/ui/DropdownMenu.java
@@ -0,0 +1,172 @@
+/*
+ * 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.
+ */
+
+// DropdownMenu.java - 下拉菜单包装类
+// 主要功能:将Button和PopupMenu组合封装,提供简洁的下拉菜单实现
+package net.micode.notes.ui;
+
+// ======================= 导入区域 =======================
+// Android上下文
+import android.content.Context; // 上下文
+// Android菜单相关
+import android.view.Menu; // 菜单接口
+import android.view.MenuItem; // 菜单项
+// Android视图相关
+import android.view.View; // 视图基类
+import android.view.View.OnClickListener; // 点击监听器
+// Android控件
+import android.widget.Button; // 按钮控件
+import android.widget.PopupMenu; // 弹出菜单控件
+import android.widget.PopupMenu.OnMenuItemClickListener; // 弹出菜单项点击监听器
+
+// 应用内部资源
+import net.micode.notes.R; // 资源文件R类
+
+// ======================= 下拉菜单包装类 =======================
+/**
+ * DropdownMenu - 下拉菜单包装类
+ * 功能:将Button控件与PopupMenu组合,创建下拉菜单效果
+ * 使用方式:将Button转换为下拉菜单按钮,点击显示菜单
+ * 设计模式:外观模式(Facade),简化PopupMenu的使用
+ */
+public class DropdownMenu {
+
+ // ======================= 成员变量 =======================
+
+ /** 按钮控件 - 显示为下拉菜单的触发器按钮 */
+ private Button mButton;
+
+ /** 弹出菜单 - 实际的PopupMenu控件,包含菜单项 */
+ private PopupMenu mPopupMenu;
+
+ /** 菜单对象 - 对应PopupMenu中的菜单,用于查找菜单项 */
+ private Menu mMenu;
+
+ // ======================= 构造函数 =======================
+
+ /**
+ * 构造函数
+ * 初始化下拉菜单,将普通Button转换为下拉菜单按钮
+ *
+ * 工作流程:
+ * 1. 保存Button引用
+ * 2. 设置Button背景为下拉箭头图标
+ * 3. 创建PopupMenu并关联到Button
+ * 4. 获取Menu对象
+ * 5. 加载菜单布局
+ * 6. 设置Button点击事件显示菜单
+ *
+ * @param context 上下文,用于创建PopupMenu
+ * @param button 按钮控件,将转换为下拉菜单触发器
+ * @param menuId 菜单资源ID,对应res/menu目录下的XML文件
+ *
+ * 示例:
+ * new DropdownMenu(context, button, R.menu.note_operation_menu);
+ */
+ public DropdownMenu(Context context, Button button, int menuId) {
+ // 1. 保存Button引用
+ mButton = button;
+
+ // 2. 设置Button背景为下拉箭头图标
+ // R.drawable.dropdown_icon: 下拉箭头图标
+ // 使Button看起来像下拉菜单按钮
+ mButton.setBackgroundResource(R.drawable.dropdown_icon);
+
+ // 3. 创建PopupMenu并关联到Button
+ // 第二个参数是锚点视图,菜单会显示在Button下方
+ mPopupMenu = new PopupMenu(context, mButton);
+
+ // 4. 获取PopupMenu的Menu对象
+ mMenu = mPopupMenu.getMenu();
+
+ // 5. 加载菜单布局文件
+ // 从XML资源文件加载菜单项到Menu对象
+ mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
+
+ // 6. 设置Button点击事件
+ mButton.setOnClickListener(new OnClickListener() {
+ /**
+ * Button点击事件处理
+ * 点击Button时显示弹出菜单
+ * @param v 被点击的Button视图
+ */
+ public void onClick(View v) {
+ mPopupMenu.show(); // 显示弹出菜单
+ }
+ });
+ }
+
+ // ======================= 菜单项点击监听器设置 =======================
+
+ /**
+ * 设置下拉菜单项点击监听器
+ * 当用户点击菜单项时触发
+ *
+ * @param listener 菜单项点击监听器
+ * 实现OnMenuItemClickListener接口
+ *
+ * 使用示例:
+ * dropdownMenu.setOnDropdownMenuItemClickListener(new OnMenuItemClickListener() {
+ * @Override
+ * public boolean onMenuItemClick(MenuItem item) {
+ * // 处理菜单项点击
+ * return true;
+ * }
+ * });
+ */
+ public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
+ // 安全检查:确保PopupMenu已创建
+ if (mPopupMenu != null) {
+ mPopupMenu.setOnMenuItemClickListener(listener);
+ }
+ }
+
+ // ======================= 菜单项查找 =======================
+
+ /**
+ * 根据ID查找菜单项
+ * 用于动态修改菜单项属性(如启用状态、标题、图标等)
+ *
+ * @param id 菜单项资源ID
+ * @return 找到的MenuItem对象,未找到返回null
+ *
+ * 使用示例:
+ * MenuItem item = dropdownMenu.findItem(R.id.menu_delete);
+ * if (item != null) {
+ * item.setEnabled(false); // 禁用删除菜单项
+ * }
+ */
+ public MenuItem findItem(int id) {
+ return mMenu.findItem(id);
+ }
+
+ // ======================= 按钮标题设置 =======================
+
+ /**
+ * 设置按钮标题文本
+ * 用于动态更新下拉按钮显示的文字
+ *
+ * @param title 按钮标题文本
+ *
+ * 使用示例:
+ * dropdownMenu.setTitle("操作菜单");
+ * 或
+ * dropdownMenu.setTitle(getString(R.string.menu_title));
+ */
+ public void setTitle(CharSequence title) {
+ mButton.setText(title);
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/ui/FoldersListAdapter.java b/java/net/micode/notes/ui/FoldersListAdapter.java
new file mode 100644
index 0000000..c80f77f
--- /dev/null
+++ b/java/net/micode/notes/ui/FoldersListAdapter.java
@@ -0,0 +1,183 @@
+/*
+ * 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.
+ */
+
+// FoldersListAdapter.java - 文件夹列表适配器
+// 主要功能:将数据库中的文件夹数据适配到ListView显示
+package net.micode.notes.ui;
+
+// ======================= 导入区域 =======================
+// Android基础
+import android.content.Context; // 上下文
+// Android数据库
+import android.database.Cursor; // 数据库查询结果游标
+// Android视图
+import android.view.View; // 视图基类
+import android.view.ViewGroup; // 视图容器
+// Android适配器
+import android.widget.CursorAdapter; // 游标适配器基类
+// Android布局
+import android.widget.LinearLayout; // 线性布局
+// Android控件
+import android.widget.TextView; // 文本视图
+
+// 应用内部资源
+import net.micode.notes.R; // 资源文件R类
+// 应用数据模型
+import net.micode.notes.data.Notes; // Notes主类
+import net.micode.notes.data.Notes.NoteColumns; // 便签表列定义
+
+// ======================= 文件夹列表适配器 =======================
+/**
+ * FoldersListAdapter - 文件夹列表适配器
+ * 继承自CursorAdapter,用于在ListView中显示文件夹列表
+ * 功能:从数据库查询文件夹数据,绑定到列表项视图
+ * 使用场景:便签移动对话框、文件夹选择界面
+ */
+public class FoldersListAdapter extends CursorAdapter {
+
+ // ======================= 数据库查询配置 =======================
+
+ /**
+ * 查询投影数组 - 指定从数据库查询哪些字段
+ * 优化查询,只获取必要的数据
+ */
+ public static final String [] PROJECTION = {
+ NoteColumns.ID, // 0 - 文件夹ID
+ NoteColumns.SNIPPET // 1 - 文件夹名称(存储在SNIPPET字段中)
+ };
+
+ // 字段索引常量 - 提高代码可读性
+ public static final int ID_COLUMN = 0; // ID字段索引
+ public static final int NAME_COLUMN = 1; // 名称字段索引
+
+ // ======================= 构造函数 =======================
+
+ /**
+ * 构造函数
+ * 调用父类CursorAdapter的构造函数
+ * @param context 上下文
+ * @param c 数据库游标,包含文件夹数据
+ */
+ public FoldersListAdapter(Context context, Cursor c) {
+ super(context, c);
+ // TODO: 可在此处添加额外初始化代码
+ }
+
+ // ======================= 适配器核心方法 =======================
+
+ /**
+ * 创建新视图
+ * 当ListView需要新的列表项视图时调用
+ * @param context 上下文
+ * @param cursor 当前位置的数据库游标
+ * @param parent 父视图容器(ListView)
+ * @return 新创建的列表项视图
+ */
+ @Override
+ public View newView(Context context, Cursor cursor, ViewGroup parent) {
+ // 创建并返回FolderListItem对象
+ return new FolderListItem(context);
+ }
+
+ /**
+ * 绑定数据到视图
+ * 将指定位置的数据库数据绑定到列表项视图
+ * @param view 要绑定数据的视图
+ * @param context 上下文
+ * @param cursor 当前位置的数据库游标
+ */
+ @Override
+ public void bindView(View view, Context context, Cursor cursor) {
+ // 安全检查:确保视图是FolderListItem类型
+ if (view instanceof FolderListItem) {
+ // 获取文件夹名称
+ String folderName = null;
+
+ // 特殊处理:如果是根文件夹(ID_ROOT_FOLDER),使用预设名称
+ if (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) {
+ // 根文件夹显示为"主文件夹"
+ folderName = context.getString(R.string.menu_move_parent_folder);
+ } else {
+ // 普通文件夹使用数据库中的名称
+ folderName = cursor.getString(NAME_COLUMN);
+ }
+
+ // 调用FolderListItem的bind方法设置名称
+ ((FolderListItem) view).bind(folderName);
+ }
+ }
+
+ // ======================= 辅助方法 =======================
+
+ /**
+ * 根据位置获取文件夹名称
+ * 不依赖视图,直接从适配器数据中获取
+ * 用于需要获取名称但不显示视图的场景
+ *
+ * @param context 上下文,用于获取根文件夹的本地化名称
+ * @param position 列表中的位置
+ * @return 文件夹名称
+ */
+ public String getFolderName(Context context, int position) {
+ // 获取指定位置的Cursor对象
+ Cursor cursor = (Cursor) getItem(position);
+
+ // 与bindView中相同的逻辑处理文件夹名称
+ if (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) {
+ return context.getString(R.string.menu_move_parent_folder);
+ } else {
+ return cursor.getString(NAME_COLUMN);
+ }
+ }
+
+ // ======================= 内部类:文件夹列表项视图 =======================
+
+ /**
+ * FolderListItem - 文件夹列表项内部类
+ * 继承自LinearLayout,表示单个文件夹项的视图
+ * 职责:管理列表项布局和控件
+ */
+ private class FolderListItem extends LinearLayout {
+
+ /** 文件夹名称文本视图 */
+ private TextView mName;
+
+ /**
+ * 构造函数
+ * 初始化列表项视图
+ * @param context 上下文
+ */
+ public FolderListItem(Context context) {
+ super(context);
+ // 1. 加载布局文件
+ // R.layout.folder_list_item: 列表项布局
+ // 第三个参数true: 将布局添加到当前视图
+ inflate(context, R.layout.folder_list_item, this);
+
+ // 2. 查找并保存TextView引用
+ mName = (TextView) findViewById(R.id.tv_folder_name);
+ }
+
+ /**
+ * 绑定数据
+ * 设置文件夹名称到TextView
+ * @param name 文件夹名称
+ */
+ public void bind(String name) {
+ mName.setText(name);
+ }
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/ui/NoteEditActivity.java b/java/net/micode/notes/ui/NoteEditActivity.java
new file mode 100644
index 0000000..03fedc5
--- /dev/null
+++ b/java/net/micode/notes/ui/NoteEditActivity.java
@@ -0,0 +1,1223 @@
+/*
+ * 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.
+ */
+
+// NoteEditActivity.java - 便签编辑Activity
+// 主要功能:提供便签的创建、编辑、查看、设置等完整功能
+package net.micode.notes.ui;
+
+// ======================= 导入区域 =======================
+// Android基础
+import android.app.Activity; // Activity基类
+import android.app.AlarmManager; // 闹钟管理器
+import android.app.AlertDialog; // 警告对话框
+import android.app.PendingIntent; // 待定意图
+import android.app.SearchManager; // 搜索管理器
+import android.appwidget.AppWidgetManager; // 应用小部件管理器
+import android.content.ContentUris; // URI工具
+import android.content.Context; // 上下文
+import android.content.DialogInterface; // 对话框接口
+import android.content.Intent; // 意图
+import android.content.SharedPreferences; // 偏好设置
+import android.graphics.Paint; // 画笔,用于文本样式
+import android.os.Bundle; // 状态保存
+import android.preference.PreferenceManager; // 偏好设置管理器
+// Android文本处理
+import android.text.Editable; // 可编辑文本
+import android.text.Spannable; // 可设置样式的文本
+import android.text.SpannableString; // 可设置样式的字符串
+import android.text.TextUtils; // 文本工具
+import android.text.TextWatcher; // 文本变化监听
+import android.text.format.DateUtils; // 日期工具
+import android.text.style.BackgroundColorSpan; // 背景色样式
+// Android网络
+import android.net.Uri; // URI工具
+import android.util.Log; // 日志工具
+// Android视图
+import android.view.LayoutInflater; // 布局加载器
+import android.view.Menu; // 菜单
+import android.view.MenuItem; // 菜单项
+import android.view.MotionEvent; // 触摸事件
+import android.view.View; // 视图基类
+import android.view.View.OnClickListener; // 点击监听器
+import android.view.WindowManager; // 窗口管理器
+// Android控件
+import android.widget.CheckBox; // 复选框
+import android.widget.CompoundButton; // 复合按钮
+import android.widget.CompoundButton.OnCheckedChangeListener; // 复选框状态变化监听
+import android.widget.EditText; // 编辑框
+import android.widget.ImageView; // 图片视图
+import android.widget.LinearLayout; // 线性布局
+import android.widget.TextView; // 文本视图
+import android.widget.Toast; // 提示信息
+
+// 应用内部资源
+import net.micode.notes.R; // 资源文件R类
+// 应用数据模型
+import net.micode.notes.data.Notes; // Notes主类
+import net.micode.notes.data.Notes.TextNote; // 文本便签常量
+// 应用业务模型
+import net.micode.notes.model.WorkingNote; // 工作便签模型
+import net.micode.notes.model.WorkingNote.NoteSettingChangedListener; // 便签设置变化监听
+// 应用工具
+import net.micode.notes.tool.DataUtils; // 数据工具
+import net.micode.notes.tool.ResourceParser; // 资源解析器
+import net.micode.notes.tool.ResourceParser.TextAppearanceResources; // 文本外观资源
+import net.micode.notes.tool.SearchHistoryManager; // 搜索历史管理器
+
+// 应用对话框
+import net.micode.notes.ui.DateTimePickerDialog.OnDateTimeSetListener; // 日期时间设置监听
+// 应用自定义控件
+import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener; // 文本变化监听
+// 应用小部件
+import net.micode.notes.widget.NoteWidgetProvider_2x; // 2x小部件
+import net.micode.notes.widget.NoteWidgetProvider_4x; // 4x小部件
+
+// Java集合
+import java.util.HashMap; // 哈希映射
+import java.util.HashSet; // 哈希集合
+import java.util.List; // 列表接口
+import java.util.Map; // 映射接口
+// Java正则表达式
+import java.util.regex.Matcher; // 正则匹配器
+import java.util.regex.Pattern; // 正则模式
+
+// ======================= 便签编辑Activity =======================
+/**
+ * NoteEditActivity - 便签编辑Activity
+ * 继承自Activity,实现多个监听器接口
+ * 功能:便签的完整编辑功能,包括文本编辑、样式设置、提醒设置、分享等
+ * 实现接口:
+ * OnClickListener: 处理视图点击
+ * NoteSettingChangedListener: 监听便签设置变化
+ * OnTextViewChangeListener: 监听文本编辑变化
+ */
+public class NoteEditActivity extends Activity implements OnClickListener,
+ NoteSettingChangedListener, OnTextViewChangeListener {
+
+ // ======================= 头部视图持有者内部类 =======================
+
+ /**
+ * HeadViewHolder - 头部视图持有者
+ * 视图持有者模式,缓存头部控件引用
+ */
+ private class HeadViewHolder {
+ public TextView tvModified; // 修改时间文本
+ public ImageView ivAlertIcon; // 提醒图标
+ public TextView tvAlertDate; // 提醒日期文本
+ public ImageView ibSetBgColor; // 设置背景颜色按钮
+ }
+
+ // ======================= 背景颜色选择器映射 =======================
+
+ /**
+ * 背景颜色选择器按钮映射
+ * 键:按钮ID,值:颜色常量索引
+ * 用于将按钮点击映射到颜色选择
+ */
+ private static final Map sBgSelectorBtnsMap = new HashMap();
+ static {
+ sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
+ sBgSelectorBtnsMap.put(R.id.iv_bg_red, ResourceParser.RED);
+ sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE);
+ sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN);
+ sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE);
+ }
+
+ /**
+ * 背景颜色选择器选中状态映射
+ * 键:颜色常量索引,值:选中状态视图ID
+ * 用于显示当前选中的颜色
+ */
+ private static final Map sBgSelectorSelectionMap = new HashMap();
+ static {
+ sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select);
+ sBgSelectorSelectionMap.put(ResourceParser.RED, R.id.iv_bg_red_select);
+ sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select);
+ sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select);
+ sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select);
+ }
+
+ // ======================= 字体大小选择器映射 =======================
+
+ /**
+ * 字体大小选择器按钮映射
+ * 键:布局容器ID,值:字体大小常量索引
+ */
+ private static final Map sFontSizeBtnsMap = new HashMap();
+ static {
+ sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE);
+ sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL);
+ sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM);
+ sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER);
+ }
+
+ /**
+ * 字体大小选择器选中状态映射
+ * 键:字体大小常量索引,值:选中状态视图ID
+ */
+ private static final Map sFontSelectorSelectionMap = new HashMap();
+ static {
+ sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select);
+ sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select);
+ sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select);
+ sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select);
+ }
+
+ // ======================= 常量定义 =======================
+
+ private static final String TAG = "NoteEditActivity"; // 日志标签
+
+ // 视图成员变量
+ private HeadViewHolder mNoteHeaderHolder; // 头部视图持有者
+ private View mHeadViewPanel; // 头部面板
+ private View mNoteBgColorSelector; // 背景颜色选择器
+ private View mFontSizeSelector; // 字体大小选择器
+ private EditText mNoteEditor; // 便签编辑器
+ private View mNoteEditorPanel; // 编辑器面板
+ private LinearLayout mEditTextList; // 列表模式编辑容器
+ private TextView mWordCountView; // 字数统计视图
+
+ // 业务模型
+ private WorkingNote mWorkingNote; // 工作便签模型
+
+ // 偏好设置
+ private SharedPreferences mSharedPrefs; // 偏好设置
+ private int mFontSizeId; // 当前字体大小ID
+ private static final String PREFERENCE_FONT_SIZE = "pref_font_size"; // 字体大小偏好键
+
+ // 快捷方式相关
+ private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10; // 快捷方式标题最大长度
+
+ // 清单模式常量
+ public static final String TAG_CHECKED = String.valueOf('\u221A'); // 已勾选符号 √
+ public static final String TAG_UNCHECKED = String.valueOf('\u25A1'); // 未勾选符号 □
+
+ // 请求码常量
+ private static final int REQUEST_CODE_IMAGE_SELECTION = 1;
+
+ // 搜索高亮相关
+ private String mUserQuery; // 用户搜索关键词
+ private Pattern mPattern; // 正则模式,用于高亮搜索
+
+ // ======================= 生命周期方法 =======================
+
+ /**
+ * onCreate - Activity创建
+ * 初始化Activity状态和资源
+ * @param savedInstanceState 保存的状态
+ */
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ // 设置布局
+ this.setContentView(R.layout.note_edit);
+
+ // 初始化Activity状态
+ if (savedInstanceState == null && !initActivityState(getIntent())) {
+ // 初始化失败,结束Activity
+ finish();
+ return;
+ }
+ // 初始化资源
+ initResources();
+ }
+
+ /**
+ * 恢复实例状态
+ * 当Activity被系统杀死后恢复时调用
+ * @param savedInstanceState 保存的状态
+ */
+ @Override
+ protected void onRestoreInstanceState(Bundle savedInstanceState) {
+ super.onRestoreInstanceState(savedInstanceState);
+ // 从保存的状态中恢复便签ID
+ 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));
+ // 重新初始化Activity状态
+ if (!initActivityState(intent)) {
+ finish();
+ return;
+ }
+ Log.d(TAG, "Restoring from killed activity");
+ }
+ }
+
+ /**
+ * 初始化Activity状态
+ * 根据Intent判断是查看、编辑还是创建便签
+ * @param intent 启动Activity的Intent
+ * @return true: 初始化成功; false: 初始化失败
+ */
+ private boolean initActivityState(Intent intent) {
+ mWorkingNote = null; // 重置工作便签
+
+ // 处理查看便签的ACTION_VIEW
+ if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {
+ long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0);
+ mUserQuery = ""; // 初始化搜索关键词
+
+ // 处理来自搜索的结果
+ if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {
+ noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
+ mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY);
+
+ // 保存搜索关键词到历史记录
+ SearchHistoryManager.getInstance(this).saveSearchKeyword(mUserQuery);
+ }
+
+ // 检查便签是否存在
+ if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) {
+ // 便签不存在,跳转到列表
+ Intent jump = new Intent(this, NotesListActivity.class);
+ startActivity(jump);
+ showToast(R.string.error_note_not_exist);
+ finish();
+ return false;
+ } else {
+ // 加载便签
+ mWorkingNote = WorkingNote.load(this, noteId);
+ if (mWorkingNote == null) {
+ Log.e(TAG, "load note failed with note id" + noteId);
+ finish();
+ return false;
+ }
+ }
+ // 查看模式:隐藏软键盘
+ getWindow().setSoftInputMode(
+ WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
+ | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
+ }
+ // 处理创建/编辑便签的ACTION_INSERT_OR_EDIT
+ else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) {
+ // 从Intent获取参数
+ long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0);
+ int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID,
+ AppWidgetManager.INVALID_APPWIDGET_ID);
+ int widgetType = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_TYPE,
+ Notes.TYPE_WIDGET_INVALIDE);
+ int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID,
+ ResourceParser.getDefaultBgId(this));
+
+ // 解析通话记录便签
+ String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
+ long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);
+ if (callDate != 0 && phoneNumber != null) {
+ if (TextUtils.isEmpty(phoneNumber)) {
+ Log.w(TAG, "The call record number is null");
+ }
+ long noteId = 0;
+ // 尝试根据电话号码和时间查找已存在的通话记录
+ if ((noteId = DataUtils.getNoteIdByPhoneNumberAndCallDate(getContentResolver(),
+ phoneNumber, callDate)) > 0) {
+ mWorkingNote = WorkingNote.load(this, noteId);
+ if (mWorkingNote == null) {
+ Log.e(TAG, "load call note failed with note id" + noteId);
+ finish();
+ return false;
+ }
+ } else {
+ // 创建新的通话记录便签
+ mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId,
+ widgetType, bgResId);
+ mWorkingNote.convertToCallNote(phoneNumber, callDate);
+ }
+ } else {
+ // 创建普通便签
+ mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType,
+ bgResId);
+ }
+ // 编辑模式:显示软键盘
+ getWindow().setSoftInputMode(
+ WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
+ | WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
+ } else {
+ // 不支持的Action
+ Log.e(TAG, "Intent not specified action, should not support");
+ finish();
+ return false;
+ }
+ // 设置便签变化监听器
+ mWorkingNote.setOnSettingStatusChangedListener(this);
+ return true;
+ }
+
+ /**
+ * onResume - Activity恢复可见
+ * 初始化便签屏幕显示
+ */
+ @Override
+ protected void onResume() {
+ super.onResume();
+ initNoteScreen();
+ }
+
+ /**
+ * 初始化便签屏幕
+ * 更新所有UI控件显示当前便签状态
+ */
+ private void initNoteScreen() {
+ // 设置字体大小
+ mNoteEditor.setTextAppearance(this, TextAppearanceResources
+ .getTexAppearanceResource(mFontSizeId));
+
+ // 根据模式显示内容
+ if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+ // 清单模式
+ switchToListMode(mWorkingNote.getContent());
+ } else {
+ // 普通模式,高亮搜索关键词
+ mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
+ mNoteEditor.setSelection(mNoteEditor.getText().length());
+ }
+
+ // 隐藏所有背景选择器的选中标记
+ for (Integer id : sBgSelectorSelectionMap.keySet()) {
+ findViewById(sBgSelectorSelectionMap.get(id)).setVisibility(View.GONE);
+ }
+
+ // 设置背景
+ mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
+ mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
+
+ // 设置修改时间
+ mNoteHeaderHolder.tvModified.setText(DateUtils.formatDateTime(this,
+ mWorkingNote.getModifiedDate(), DateUtils.FORMAT_SHOW_DATE
+ | DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_TIME
+ | DateUtils.FORMAT_SHOW_YEAR));
+
+ // 显示提醒信息
+ showAlertHeader();
+
+ // 更新字数统计
+ updateWordCount();
+ }
+
+ /**
+ * 显示提醒头部
+ * 根据便签是否有提醒设置显示相应控件
+ */
+ private void showAlertHeader() {
+ if (mWorkingNote.hasClockAlert()) {
+ long time = System.currentTimeMillis();
+ if (time > mWorkingNote.getAlertDate()) {
+ // 提醒已过期
+ mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired);
+ } else {
+ // 显示相对时间
+ mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString(
+ mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS));
+ }
+ mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE);
+ mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE);
+ } else {
+ // 无提醒,隐藏控件
+ mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE);
+ mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE);
+ };
+ }
+
+ /**
+ * onNewIntent - 处理新的Intent
+ * 当Activity已存在时被再次启动
+ */
+ @Override
+ protected void onNewIntent(Intent intent) {
+ super.onNewIntent(intent);
+ initActivityState(intent);
+ }
+
+ /**
+ * 保存实例状态
+ * 保存便签ID,以便恢复
+ */
+ @Override
+ protected void onSaveInstanceState(Bundle outState) {
+ super.onSaveInstanceState(outState);
+ // 如果便签不在数据库中,先保存
+ if (!mWorkingNote.existInDatabase()) {
+ saveNote();
+ }
+ outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId());
+ Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState");
+ }
+
+ // ======================= 触摸事件处理 =======================
+
+ /**
+ * 分发触摸事件
+ * 处理点击选择器外部时关闭选择器
+ */
+ @Override
+ public boolean dispatchTouchEvent(MotionEvent ev) {
+ // 点击背景选择器外部时关闭
+ if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
+ && !inRangeOfView(mNoteBgColorSelector, ev)) {
+ mNoteBgColorSelector.setVisibility(View.GONE);
+ return true;
+ }
+
+ // 点击字体选择器外部时关闭
+ if (mFontSizeSelector.getVisibility() == View.VISIBLE
+ && !inRangeOfView(mFontSizeSelector, ev)) {
+ mFontSizeSelector.setVisibility(View.GONE);
+ return true;
+ }
+ return super.dispatchTouchEvent(ev);
+ }
+
+ /**
+ * 判断触摸点是否在视图范围内
+ */
+ private boolean inRangeOfView(View view, MotionEvent ev) {
+ int []location = new int[2];
+ view.getLocationOnScreen(location);
+ int x = location[0];
+ int y = location[1];
+ if (ev.getX() < x
+ || ev.getX() > (x + view.getWidth())
+ || ev.getY() < y
+ || ev.getY() > (y + view.getHeight())) {
+ return false;
+ }
+ return true;
+ }
+
+ // ======================= 资源初始化 =======================
+
+ /**
+ * 初始化资源
+ * 查找所有视图引用并设置监听器
+ */
+ private void initResources() {
+ // 头部视图
+ mHeadViewPanel = findViewById(R.id.note_title);
+ mNoteHeaderHolder = new HeadViewHolder();
+ mNoteHeaderHolder.tvModified = (TextView) findViewById(R.id.tv_modified_date);
+ mNoteHeaderHolder.ivAlertIcon = (ImageView) findViewById(R.id.iv_alert_icon);
+ mNoteHeaderHolder.tvAlertDate = (TextView) findViewById(R.id.tv_alert_date);
+ mNoteHeaderHolder.ibSetBgColor = (ImageView) findViewById(R.id.btn_set_bg_color);
+ mNoteHeaderHolder.ibSetBgColor.setOnClickListener(this);
+
+ // 编辑视图
+ mNoteEditor = (EditText) findViewById(R.id.note_edit_view);
+ mNoteEditorPanel = findViewById(R.id.sv_note_edit);
+
+ // 字数统计视图
+ mWordCountView = (TextView) findViewById(R.id.tv_word_count);
+
+ // 设置文本变化监听
+ mNoteEditor.addTextChangedListener(new TextWatcher() {
+ @Override
+ public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+ }
+
+ @Override
+ public void onTextChanged(CharSequence s, int start, int before, int count) {
+ updateWordCount();
+ }
+
+ @Override
+ public void afterTextChanged(Editable s) {
+ }
+ });
+
+ // 背景选择器
+ mNoteBgColorSelector = findViewById(R.id.note_bg_color_selector);
+ for (int id : sBgSelectorBtnsMap.keySet()) {
+ ImageView iv = (ImageView) findViewById(id);
+ iv.setOnClickListener(this);
+ }
+
+ // 字体选择器
+ mFontSizeSelector = findViewById(R.id.font_size_selector);
+ for (int id : sFontSizeBtnsMap.keySet()) {
+ View view = findViewById(id);
+ view.setOnClickListener(this);
+ };
+
+ // 偏好设置
+ mSharedPrefs = getSharedPreferences(NotesPreferenceActivity.PREFERENCE_NAME, Context.MODE_PRIVATE);
+ mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);
+
+ // 修复字体大小ID可能越界的bug
+ if(mFontSizeId >= TextAppearanceResources.getResourcesSize()) {
+ mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE;
+ }
+
+ // 列表模式容器
+ mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list);
+ }
+
+ // ======================= 生命周期暂停 =======================
+
+ /**
+ * onPause - Activity暂停
+ * 保存便签数据
+ */
+ @Override
+ protected void onPause() {
+ super.onPause();
+ if(saveNote()) {
+ Log.d(TAG, "Note data was saved with length:" + mWorkingNote.getContent().length());
+ }
+ clearSettingState();
+ }
+
+ @Override
+ protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+ if (requestCode == REQUEST_CODE_IMAGE_SELECTION && resultCode == RESULT_OK) {
+ if (data != null && data.getData() != null) {
+ // 获取选中图片的Uri
+ Uri imageUri = data.getData();
+ // 将图片Uri插入到当前编辑位置
+ String imageTag = "[IMAGE:" + imageUri.toString() + "]";
+ int currentPosition = mNoteEditor.getSelectionStart();
+ Editable text = mNoteEditor.getText();
+ text.insert(currentPosition, imageTag);
+ // 保存便签内容
+ getWorkingText();
+ }
+ } else {
+ super.onActivityResult(requestCode, resultCode, data);
+ }
+ }
+
+ // ======================= 小部件更新 =======================
+
+ /**
+ * 更新小部件
+ * 根据便签关联的小部件类型发送更新广播
+ */
+ private void updateWidget() {
+ Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
+ if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) {
+ intent.setClass(this, NoteWidgetProvider_2x.class);
+ } else if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_4X) {
+ intent.setClass(this, NoteWidgetProvider_4x.class);
+ } else {
+ Log.e(TAG, "Unspported widget type");
+ return;
+ }
+
+ intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
+ mWorkingNote.getWidgetId()
+ });
+
+ sendBroadcast(intent);
+ setResult(RESULT_OK, intent);
+ }
+
+ // ======================= 点击事件处理 =======================
+
+ /**
+ * onClick - 视图点击处理
+ * 实现OnClickListener接口
+ */
+ public void onClick(View v) {
+ int id = v.getId();
+ // 背景颜色设置按钮
+ if (id == R.id.btn_set_bg_color) {
+ mNoteBgColorSelector.setVisibility(View.VISIBLE);
+ findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
+ View.VISIBLE);
+ }
+ // 背景颜色选择
+ else if (sBgSelectorBtnsMap.containsKey(id)) {
+ // 隐藏之前的选中状态
+ findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
+ View.GONE);
+ // 设置新颜色
+ mWorkingNote.setBgColorId(sBgSelectorBtnsMap.get(id));
+ mNoteBgColorSelector.setVisibility(View.GONE);
+ }
+ // 字体大小选择
+ else if (sFontSizeBtnsMap.containsKey(id)) {
+ // 隐藏之前的选中状态
+ findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.GONE);
+ // 设置新字体大小
+ mFontSizeId = sFontSizeBtnsMap.get(id);
+ mSharedPrefs.edit().putInt(PREFERENCE_FONT_SIZE, mFontSizeId).commit();
+ findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
+
+ // 根据当前模式更新文本外观
+ if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+ getWorkingText();
+ switchToListMode(mWorkingNote.getContent());
+ } else {
+ mNoteEditor.setTextAppearance(this,
+ TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
+ }
+ mFontSizeSelector.setVisibility(View.GONE);
+ }
+ }
+
+ // ======================= 返回键处理 =======================
+
+ /**
+ * 返回键处理
+ * 先保存便签再退出
+ */
+ @Override
+ public void onBackPressed() {
+ if(clearSettingState()) {
+ return;
+ }
+
+ saveNote();
+ super.onBackPressed();
+ }
+
+ /**
+ * 清除设置状态
+ * 关闭打开的选择器
+ * @return true: 有关闭的选择器; false: 无选择器打开
+ */
+ private boolean clearSettingState() {
+ if (mNoteBgColorSelector.getVisibility() == View.VISIBLE) {
+ mNoteBgColorSelector.setVisibility(View.GONE);
+ return true;
+ } else if (mFontSizeSelector.getVisibility() == View.VISIBLE) {
+ mFontSizeSelector.setVisibility(View.GONE);
+ return true;
+ }
+ return false;
+ }
+
+ // ======================= 便签设置变化回调 =======================
+
+ /**
+ * 背景颜色变化回调
+ * 实现NoteSettingChangedListener接口
+ */
+ public void onBackgroundColorChanged() {
+ // 显示新的选中状态
+ findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
+ View.VISIBLE);
+ // 更新视图背景
+ mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
+ mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
+ }
+
+ // ======================= 菜单处理 =======================
+
+ /**
+ * 准备选项菜单
+ * 根据便签状态动态更新菜单
+ */
+ @Override
+ public boolean onPrepareOptionsMenu(Menu menu) {
+ if (isFinishing()) {
+ return true;
+ }
+ clearSettingState();
+ menu.clear();
+
+ // 根据文件夹类型加载不同菜单
+ if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) {
+ getMenuInflater().inflate(R.menu.call_note_edit, menu);
+ } else {
+ getMenuInflater().inflate(R.menu.note_edit, menu);
+ }
+
+ // 更新清单模式菜单项文本
+ if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+ menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_normal_mode);
+ } else {
+ menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_list_mode);
+ }
+
+ // 根据提醒状态显示/隐藏菜单项
+ if (mWorkingNote.hasClockAlert()) {
+ menu.findItem(R.id.menu_alert).setVisible(false);
+ } else {
+ menu.findItem(R.id.menu_delete_remind).setVisible(false);
+ }
+ return true;
+ }
+
+ /**
+ * 选项菜单项选择
+ */
+ @Override
+ public boolean onOptionsItemSelected(MenuItem item) {
+ int itemId = item.getItemId(); // 获取菜单ID并缓存
+
+ if (itemId == R.id.menu_new_note) {
+ createNewNote();
+ } else if (itemId == R.id.menu_delete) {
+ 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) {
+ deleteCurrentNote();
+ finish();
+ }
+ });
+ builder.setNegativeButton(android.R.string.cancel, null);
+ builder.show();
+ } else if (itemId == R.id.menu_font_size) {
+ mFontSizeSelector.setVisibility(View.VISIBLE);
+ findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
+ } else if (itemId == R.id.menu_list_mode) {
+ mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ?
+ TextNote.MODE_CHECK_LIST : 0);
+ } else if (itemId == R.id.menu_share) {
+ getWorkingText();
+ sendTo(this, mWorkingNote.getContent());
+ } else if (itemId == R.id.menu_send_to_desktop) {
+ sendToDesktop();
+ } else if (itemId == R.id.menu_alert) {
+ setReminder();
+ } else if (itemId == R.id.menu_delete_remind) {
+ mWorkingNote.setAlertDate(0, false);
+ } else if (itemId == R.id.menu_insert_image) {
+ // 启动图片选择器
+ Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
+ intent.setType("image/*");
+ startActivityForResult(intent, REQUEST_CODE_IMAGE_SELECTION);
+ } else {
+ // 默认分支(原default)
+ }
+
+ return true;
+ }
+
+ // ======================= 提醒设置 =======================
+
+ /**
+ * 设置提醒
+ * 显示日期时间选择对话框
+ */
+ private void setReminder() {
+ DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis());
+ d.setOnDateTimeSetListener(new OnDateTimeSetListener() {
+ public void OnDateTimeSet(AlertDialog dialog, long date) {
+ mWorkingNote.setAlertDate(date, true);
+ }
+ });
+ d.show();
+ }
+
+ /**
+ * 分享便签
+ * 通过系统分享功能分享文本
+ */
+ 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);
+ }
+
+ /**
+ * 创建新便签
+ */
+ private void createNewNote() {
+ // 先保存当前便签
+ saveNote();
+
+ // 启动新的编辑Activity
+ 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);
+ }
+
+
+
+
+
+ /**
+ * 显示Toast消息
+ * @param resId 字符串资源ID
+ */
+ // 已删除重复的showToast方法,使用第1383行定义的更灵活的方法
+
+ /**
+ * 删除当前便签
+ */
+ private void deleteCurrentNote() {
+ if (mWorkingNote.existInDatabase()) {
+ HashSet ids = new HashSet();
+ long id = mWorkingNote.getNoteId();
+ if (id != Notes.ID_ROOT_FOLDER) {
+ ids.add(id);
+ } else {
+ Log.d(TAG, "Wrong note id, should not happen");
+ }
+ // 统一使用永久删除方式
+ if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) {
+ Log.e(TAG, "Delete Note error");
+ }
+ }
+ mWorkingNote.markDeleted(true);
+ }
+
+ /**
+ * 判断是否为同步模式
+ */
+ private boolean isSyncMode() {
+ return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
+ }
+
+ // ======================= 提醒变化回调 =======================
+
+ /**
+ * 闹钟提醒变化回调
+ * 实现NoteSettingChangedListener接口
+ */
+ public void onClockAlertChanged(long date, boolean set) {
+ // 如果便签未保存,先保存
+ if (!mWorkingNote.existInDatabase()) {
+ saveNote();
+ }
+ if (mWorkingNote.getNoteId() > 0) {
+ // 设置或取消系统闹钟
+ 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 {
+ // 便签为空,无法设置提醒
+ Log.e(TAG, "Clock alert setting error");
+ showToast(R.string.error_note_empty_for_clock);
+ }
+ }
+
+ /**
+ * 小部件变化回调
+ */
+ public void onWidgetChanged() {
+ updateWidget();
+ }
+
+ // ======================= 文本编辑变化回调 =======================
+
+ /**
+ * 文本编辑删除回调
+ * 实现OnTextViewChangeListener接口
+ */
+ public void onEditTextDelete(int index, String text) {
+ int childCount = mEditTextList.getChildCount();
+ if (childCount == 1) {
+ return; // 只有一个项时不删除
+ }
+
+ // 更新后续项的索引
+ for (int i = index + 1; i < childCount; i++) {
+ ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
+ .setIndex(i - 1);
+ }
+
+ // 移除视图
+ mEditTextList.removeViewAt(index);
+ NoteEditText edit = null;
+ if(index == 0) {
+ edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById(
+ R.id.et_edit_text);
+ } else {
+ edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById(
+ R.id.et_edit_text);
+ }
+ // 将删除的文本追加到前一项
+ int length = edit.length();
+ edit.append(text);
+ edit.requestFocus();
+ edit.setSelection(length);
+ }
+
+ /**
+ * 文本编辑回车回调
+ * 创建新的列表项
+ */
+ public void onEditTextEnter(int index, String text) {
+ if(index > mEditTextList.getChildCount()) {
+ Log.e(TAG, "Index out of mEditTextList boundrary, should not happen");
+ }
+
+ View view = getListItem(text, index);
+ mEditTextList.addView(view, index);
+ NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
+ edit.requestFocus();
+ edit.setSelection(0);
+ // 更新后续项的索引
+ for (int i = index + 1; i < mEditTextList.getChildCount(); i++) {
+ ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
+ .setIndex(i);
+ }
+ }
+
+ // ======================= 清单模式切换 =======================
+
+ /**
+ * 切换到清单模式
+ * 将文本分割为多个列表项
+ */
+ private void switchToListMode(String text) {
+ mEditTextList.removeAllViews();
+ String[] items = text.split("\n");
+ int index = 0;
+ for (String item : items) {
+ if(!TextUtils.isEmpty(item)) {
+ mEditTextList.addView(getListItem(item, index));
+ index++;
+ }
+ }
+ // 添加一个空项用于输入
+ mEditTextList.addView(getListItem("", index));
+ mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus();
+
+ // 切换视图显示
+ mNoteEditor.setVisibility(View.GONE);
+ mEditTextList.setVisibility(View.VISIBLE);
+ }
+
+ // ======================= 搜索高亮 =======================
+
+ /**
+ * 获取高亮的搜索结果
+ * 高亮显示搜索关键词
+ */
+ private Spannable getHighlightQueryResult(String fullText, String userQuery) {
+ SpannableString spannable = new SpannableString(fullText == null ? "" : fullText);
+ if (!TextUtils.isEmpty(userQuery)) {
+ mPattern = Pattern.compile(userQuery);
+ Matcher m = mPattern.matcher(fullText);
+ int start = 0;
+ while (m.find(start)) {
+ // 设置高亮背景色
+ 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;
+ }
+
+ /**
+ * 获取列表项视图
+ */
+ private View getListItem(String item, int index) {
+ 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));
+ CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
+ cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
+ public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+ // 根据勾选状态设置删除线
+ if (isChecked) {
+ edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
+ } else {
+ edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
+ }
+ }
+ });
+
+ // 解析清单标记
+ 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;
+ }
+
+ /**
+ * 文本变化回调
+ * 根据是否有文本显示/隐藏复选框
+ */
+ public void onTextChange(int index, boolean hasText) {
+ if (index >= mEditTextList.getChildCount()) {
+ Log.e(TAG, "Wrong index, should not happen");
+ return;
+ }
+ if(hasText) {
+ mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE);
+ } else {
+ mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE);
+ }
+ // 更新字数统计
+ updateWordCount();
+ }
+
+ // ======================= 清单模式变化回调 =======================
+
+ /**
+ * 清单模式变化回调
+ */
+ public void onCheckListModeChanged(int oldMode, int newMode) {
+ if (newMode == TextNote.MODE_CHECK_LIST) {
+ // 切换到清单模式
+ switchToListMode(mNoteEditor.getText().toString());
+ } else {
+ // 切换到普通模式
+ if (!getWorkingText()) {
+ mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ",
+ ""));
+ }
+ mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
+ mEditTextList.setVisibility(View.GONE);
+ mNoteEditor.setVisibility(View.VISIBLE);
+ }
+ // 更新字数统计
+ updateWordCount();
+ }
+
+ // ======================= 获取工作文本 =======================
+
+ /**
+ * 获取工作文本
+ * 从当前UI获取文本内容保存到模型
+ * @return 是否包含已勾选项
+ */
+ private boolean getWorkingText() {
+ boolean hasChecked = false;
+ if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+ // 清单模式:拼接所有项
+ 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())) {
+ if (((CheckBox) view.findViewById(R.id.cb_edit_item)).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 {
+ // 普通模式
+ mWorkingNote.setWorkingText(mNoteEditor.getText().toString());
+ }
+ return hasChecked;
+ }
+
+ // ======================= 保存便签 =======================
+
+ /**
+ * 更新字数统计
+ * 根据当前模式计算并显示字数
+ */
+ private void updateWordCount() {
+ int wordCount = 0;
+ if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+ // 清单模式:计算所有列表项的字数
+ StringBuilder content = 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);
+ content.append(edit.getText().toString());
+ }
+ wordCount = content.length();
+ } else {
+ // 普通模式:直接计算文本长度
+ wordCount = mNoteEditor.getText().length();
+ }
+ mWordCountView.setText(String.valueOf(wordCount));
+ }
+
+ /**
+ * 保存便签
+ * @return true: 保存成功; false: 保存失败
+ */
+ private boolean saveNote() {
+ getWorkingText();
+ boolean saved = mWorkingNote.saveNote();
+ if (saved) {
+ setResult(RESULT_OK);
+ }
+ return saved;
+ }
+
+ // ======================= 发送到桌面 =======================
+
+ /**
+ * 发送到桌面
+ * 创建桌面快捷方式
+ */
+ private void sendToDesktop() {
+ // 确保便签已保存
+ 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, "Send to desktop error");
+ showToast(R.string.error_note_empty_for_send_to_desktop);
+ }
+ }
+
+ /**
+ * 创建快捷方式图标标题
+ */
+ private String makeShortcutIconTitle(String content) {
+ content = content.replace(TAG_CHECKED, "");
+ content = content.replace(TAG_UNCHECKED, "");
+ return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ? content.substring(0,
+ SHORTCUT_ICON_TITLE_MAX_LEN) : content;
+ }
+
+ // ======================= 工具方法 =======================
+
+ /**
+ * 显示Toast提示
+ */
+ private void showToast(int resId) {
+ showToast(resId, Toast.LENGTH_SHORT);
+ }
+
+ private void showToast(int resId, int duration) {
+ Toast.makeText(this, resId, duration).show();
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/ui/NoteEditText.java b/java/net/micode/notes/ui/NoteEditText.java
new file mode 100644
index 0000000..c63a751
--- /dev/null
+++ b/java/net/micode/notes/ui/NoteEditText.java
@@ -0,0 +1,457 @@
+/*
+ * 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.
+ */
+
+// NoteEditText.java - 自定义便签编辑文本控件
+// 主要功能:扩展EditText,支持清单模式的特殊按键处理、超链接识别和上下文菜单
+package net.micode.notes.ui;
+
+// ======================= 导入区域 =======================
+// Android基础
+import android.content.Context; // 上下文
+import android.content.ContentResolver; // 内容解析器
+import android.graphics.Rect; // 矩形区域
+// Android文本处理
+import android.text.Layout; // 文本布局
+import android.text.Selection; // 文本选择
+import android.text.Spanned; // 可设置样式的文本
+import android.text.TextUtils; // 文本工具
+import android.text.style.URLSpan; // URL超链接样式
+import android.util.AttributeSet; // 属性集
+import android.util.Log; // 日志工具
+// Android菜单
+import android.view.ContextMenu; // 上下文菜单
+import android.view.KeyEvent; // 按键事件
+import android.view.MenuItem; // 菜单项
+import android.view.MenuItem.OnMenuItemClickListener; // 菜单项点击监听
+import android.view.MotionEvent; // 触摸事件
+// Android文本处理
+import android.text.InputType; // 输入类型
+import android.text.Spannable; // 可设置样式的文本
+import android.text.SpannableStringBuilder; // 可设置样式的字符串构建器
+import android.text.style.ImageSpan; // 图片样式
+// Android输入法
+import android.view.inputmethod.EditorInfo; // 输入法编辑器信息
+// Android控件
+import android.widget.EditText; // 编辑文本控件基类
+import android.widget.ImageView; // 图片视图
+// Android图形
+import android.graphics.Bitmap; // 位图
+import android.graphics.BitmapFactory; // 位图工厂
+import android.graphics.drawable.Drawable; // 可绘制对象
+// Android网络
+import android.net.Uri; // URI工具
+
+// 应用内部资源
+import net.micode.notes.R; // 资源文件R类
+
+// Java集合
+import java.util.HashMap; // 哈希映射
+import java.util.Map; // 映射接口
+
+// ======================= 便签编辑文本控件 =======================
+/**
+ * NoteEditText - 自定义便签编辑文本控件
+ * 继承自EditText,增强功能用于便签的清单模式编辑
+ * 核心功能:
+ * 1. 清单模式按键处理(回车新增项,删除删除项)
+ * 2. 超链接识别和上下文菜单
+ * 3. 焦点变化通知
+ * 4. 触摸精确定位
+ */
+public class NoteEditText extends EditText {
+
+ // ======================= 常量定义 =======================
+
+ private static final String TAG = "NoteEditText"; // 日志标签
+
+ /** 当前项索引 - 在清单模式中标识第几个列表项 */
+ private int mIndex;
+
+ /** 删除前的选择起始位置 - 用于判断是否在开头删除 */
+ private int mSelectionStartBeforeDelete;
+
+ // 超链接协议常量
+ private static final String SCHEME_TEL = "tel:"; // 电话协议
+ private static final String SCHEME_HTTP = "http:"; // HTTP协议
+ private static final String SCHEME_EMAIL = "mailto:"; // 邮件协议
+
+ /**
+ * 协议动作资源映射
+ * 键:协议前缀,值:对应的菜单文本资源ID
+ * 用于为不同类型的超链接显示不同的上下文菜单
+ */
+ private static final Map sSchemaActionResMap = new HashMap();
+ static {
+ sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel); // 电话链接
+ sSchemaActionResMap.put(SCHEME_HTTP, R.string.note_link_web); // 网页链接
+ sSchemaActionResMap.put(SCHEME_EMAIL, R.string.note_link_email); // 邮件链接
+ }
+
+ // ======================= 文本变化监听器接口 =======================
+
+ /**
+ * OnTextViewChangeListener - 文本视图变化监听器接口
+ * 由NoteEditActivity实现,处理清单模式的特殊按键行为
+ */
+ public interface OnTextViewChangeListener {
+ /**
+ * 删除当前编辑文本
+ * 当在文本开头按下删除键且文本为空时调用
+ * @param index 当前项的索引
+ * @param text 当前文本内容
+ */
+ void onEditTextDelete(int index, String text);
+
+ /**
+ * 添加新的编辑文本
+ * 当按下回车键时调用
+ * @param index 新项的索引
+ * @param text 要添加到新项的文本(当前光标后的内容)
+ */
+ void onEditTextEnter(int index, String text);
+
+ /**
+ * 文本变化通知
+ * 用于显示/隐藏列表项的操作控件
+ * @param index 当前项的索引
+ * @param hasText 是否有文本内容
+ */
+ void onTextChange(int index, boolean hasText);
+ }
+
+ /** 文本变化监听器实例 */
+ private OnTextViewChangeListener mOnTextViewChangeListener;
+
+ // ======================= 构造函数 =======================
+
+ /**
+ * 构造函数1 - 简化版本
+ * @param context 上下文
+ */
+ public NoteEditText(Context context) {
+ this(context, null);
+ mIndex = 0; // 默认索引为0
+ }
+
+ /**
+ * 构造函数2 - 完整属性
+ * @param context 上下文
+ * @param attrs 属性集
+ */
+ public NoteEditText(Context context, AttributeSet attrs) {
+ this(context, attrs, android.R.attr.editTextStyle);
+ }
+
+ /**
+ * 构造函数3 - 包含样式
+ * @param context 上下文
+ * @param attrs 属性集
+ * @param defStyle 默认样式
+ */
+ public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
+ super(context, attrs, defStyle);
+ // 确保输入法支持中文输入
+ setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_MULTI_LINE | InputType.TYPE_TEXT_FLAG_CAP_SENTENCES);
+ setImeOptions(EditorInfo.IME_ACTION_NONE);
+ }
+
+ /**
+ * 从URI加载图片
+ * @param uri 图片URI
+ * @return 加载的Bitmap对象
+ */
+ private Bitmap loadImageFromUri(Uri uri) {
+ try {
+ ContentResolver resolver = getContext().getContentResolver();
+ Bitmap bitmap = BitmapFactory.decodeStream(resolver.openInputStream(uri));
+ if (bitmap != null) {
+ // 调整图片大小以适应编辑框
+ int maxWidth = getMeasuredWidth() - getPaddingLeft() - getPaddingRight();
+ if (bitmap.getWidth() > maxWidth) {
+ float scale = (float) maxWidth / bitmap.getWidth();
+ int newHeight = (int) (bitmap.getHeight() * scale);
+ bitmap = Bitmap.createScaledBitmap(bitmap, maxWidth, newHeight, true);
+ }
+ }
+ return bitmap;
+ } catch (Exception e) {
+ Log.e(TAG, "Failed to load image from URI: " + uri, e);
+ return null;
+ }
+ }
+
+ /**
+ * 解析文本中的[IMAGE:uri]标签并替换为图片
+ * @param text 包含图片标签的文本
+ * @return 处理后的SpannableStringBuilder,包含图片
+ */
+ private SpannableStringBuilder parseImageTags(CharSequence text) {
+ SpannableStringBuilder builder = new SpannableStringBuilder(text);
+ String content = text.toString();
+ int startIndex = 0;
+
+ while (true) {
+ startIndex = content.indexOf("[IMAGE:", startIndex);
+ if (startIndex == -1) break;
+
+ int endIndex = content.indexOf("]", startIndex);
+ if (endIndex == -1) break;
+
+ String imageTag = content.substring(startIndex, endIndex + 1);
+ String imageUriStr = imageTag.substring(7, imageTag.length() - 1); // 去掉[IMAGE:和]
+
+ try {
+ Uri imageUri = Uri.parse(imageUriStr);
+ Bitmap bitmap = loadImageFromUri(imageUri);
+
+ if (bitmap != null) {
+ // 创建一个占位符文本,用于放置图片
+ String placeholder = "[图片]";
+ int placeholderLength = placeholder.length();
+
+ // 替换图片标签为占位符
+ builder.replace(startIndex, endIndex + 1, placeholder);
+
+ // 创建ImageSpan并添加到占位符位置
+ ImageSpan imageSpan = new ImageSpan(getContext(), bitmap);
+ builder.setSpan(imageSpan, startIndex, startIndex + placeholderLength, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+
+ // 更新content和startIndex以继续处理
+ content = builder.toString();
+ startIndex += placeholderLength;
+ } else {
+ startIndex = endIndex + 1;
+ }
+ } catch (Exception e) {
+ Log.e(TAG, "Failed to parse image URI: " + imageUriStr, e);
+ startIndex = endIndex + 1;
+ }
+ }
+
+ return builder;
+ }
+
+ /**
+ * 重写setText方法,解析图片标签并显示图片
+ */
+ @Override
+ public void setText(CharSequence text, BufferType type) {
+ if (text != null) {
+ SpannableStringBuilder builder = parseImageTags(text);
+ super.setText(builder, BufferType.SPANNABLE);
+ } else {
+ super.setText(text, type);
+ }
+ }
+
+ // ======================= 设置方法 =======================
+
+ /**
+ * 设置项索引
+ * 在清单模式中标识当前是第几个列表项
+ * @param index 索引值
+ */
+ public void setIndex(int index) {
+ mIndex = index;
+ }
+
+ /**
+ * 设置文本变化监听器
+ * @param listener 监听器实例
+ */
+ public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
+ mOnTextViewChangeListener = listener;
+ }
+
+ // ======================= 触摸事件处理 =======================
+
+ /**
+ * 触摸事件处理
+ * 重写以实现精确的触摸位置选择
+ * @param event 触摸事件
+ * @return true: 已处理; false: 未处理
+ */
+ @Override
+ public boolean onTouchEvent(MotionEvent event) {
+ switch (event.getAction()) {
+ case MotionEvent.ACTION_DOWN:
+ // 计算触摸点在文本中的精确位置
+ int x = (int) event.getX();
+ int y = (int) event.getY();
+ x -= getTotalPaddingLeft(); // 减去内边距
+ y -= getTotalPaddingTop();
+ x += getScrollX(); // 加上滚动偏移
+ y += getScrollY();
+
+ // 获取布局并计算字符偏移
+ Layout layout = getLayout();
+ int line = layout.getLineForVertical(y);
+ int off = layout.getOffsetForHorizontal(line, x);
+
+ // 设置选择位置
+ Selection.setSelection(getText(), off);
+ break;
+ }
+
+ return super.onTouchEvent(event);
+ }
+
+ // ======================= 按键按下事件 =======================
+
+ /**
+ * 按键按下事件处理
+ * 拦截特殊按键进行预处理
+ * @param keyCode 按键代码
+ * @param event 按键事件
+ * @return true: 已处理; false: 未处理
+ */
+ @Override
+ public boolean onKeyDown(int keyCode, KeyEvent event) {
+ switch (keyCode) {
+ case KeyEvent.KEYCODE_ENTER:
+ // 拦截回车键,在onKeyUp中处理
+ if (mOnTextViewChangeListener != null) {
+ return false; // 返回false让系统继续处理
+ }
+ break;
+ case KeyEvent.KEYCODE_DEL:
+ // 记录删除前的选择位置
+ mSelectionStartBeforeDelete = getSelectionStart();
+ break;
+ default:
+ break;
+ }
+ return super.onKeyDown(keyCode, event);
+ }
+
+ // ======================= 按键抬起事件 =======================
+
+ /**
+ * 按键抬起事件处理
+ * 处理清单模式的特殊按键逻辑
+ * @param keyCode 按键代码
+ * @param event 按键事件
+ * @return true: 已处理; false: 未处理
+ */
+ @Override
+ public boolean onKeyUp(int keyCode, KeyEvent event) {
+ switch(keyCode) {
+ case KeyEvent.KEYCODE_DEL:
+ // 删除键处理
+ if (mOnTextViewChangeListener != null) {
+ // 条件:在文本开头删除 且 不是第一项
+ if (0 == mSelectionStartBeforeDelete && mIndex != 0) {
+ // 触发删除回调
+ mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString());
+ return true; // 已处理
+ }
+ } else {
+ Log.d(TAG, "OnTextViewChangeListener was not seted");
+ }
+ break;
+ case KeyEvent.KEYCODE_ENTER:
+ // 回车键处理
+ if (mOnTextViewChangeListener != null) {
+ int selectionStart = getSelectionStart();
+ // 分割文本:光标前保留,光标后移到新项
+ String text = getText().subSequence(selectionStart, length()).toString();
+ setText(getText().subSequence(0, selectionStart));
+ // 触发新增回调
+ mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);
+ } else {
+ Log.d(TAG, "OnTextViewChangeListener was not seted");
+ }
+ break;
+ default:
+ break;
+ }
+ return super.onKeyUp(keyCode, event);
+ }
+
+ // ======================= 焦点变化处理 =======================
+
+ /**
+ * 焦点变化处理
+ * 当焦点变化时通知监听器文本状态
+ * @param focused 是否获得焦点
+ * @param direction 焦点方向
+ * @param previouslyFocusedRect 之前获得焦点的矩形区域
+ */
+ @Override
+ protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
+ if (mOnTextViewChangeListener != null) {
+ // 失去焦点且文本为空时,通知隐藏操作控件
+ if (!focused && TextUtils.isEmpty(getText())) {
+ mOnTextViewChangeListener.onTextChange(mIndex, false);
+ } else {
+ // 其他情况通知显示操作控件
+ mOnTextViewChangeListener.onTextChange(mIndex, true);
+ }
+ }
+ super.onFocusChanged(focused, direction, previouslyFocusedRect);
+ }
+
+ // ======================= 上下文菜单创建 =======================
+
+ /**
+ * 创建上下文菜单
+ * 检测选中的文本是否包含超链接,并为不同类型的链接创建对应的菜单项
+ * @param menu 上下文菜单
+ */
+ @Override
+ protected void onCreateContextMenu(ContextMenu menu) {
+ // 检查文本是否包含样式(可能包含超链接)
+ if (getText() instanceof Spanned) {
+ int selStart = getSelectionStart();
+ int selEnd = getSelectionEnd();
+
+ // 计算选择范围
+ int min = Math.min(selStart, selEnd);
+ int max = Math.max(selStart, selEnd);
+
+ // 获取选择范围内的超链接
+ final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class);
+
+ // 只处理单个超链接的情况
+ if (urls.length == 1) {
+ int defaultResId = 0;
+ // 根据URL协议确定菜单文本
+ for(String schema: sSchemaActionResMap.keySet()) {
+ if(urls[0].getURL().indexOf(schema) >= 0) {
+ defaultResId = sSchemaActionResMap.get(schema);
+ break;
+ }
+ }
+
+ // 未知协议使用默认文本
+ if (defaultResId == 0) {
+ defaultResId = R.string.note_link_other;
+ }
+
+ // 添加菜单项
+ menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener(
+ new OnMenuItemClickListener() {
+ public boolean onMenuItemClick(MenuItem item) {
+ // 触发超链接点击
+ urls[0].onClick(NoteEditText.this);
+ return true;
+ }
+ });
+ }
+ }
+ super.onCreateContextMenu(menu);
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/ui/NoteItemData.java b/java/net/micode/notes/ui/NoteItemData.java
new file mode 100644
index 0000000..c3c56f2
--- /dev/null
+++ b/java/net/micode/notes/ui/NoteItemData.java
@@ -0,0 +1,421 @@
+/*
+ * 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.
+ */
+
+// NoteItemData.java - 便签项数据模型类
+// 主要功能:封装便签列表项的数据,提供便捷的访问方法和位置判断逻辑
+package net.micode.notes.ui;
+
+// ======================= 导入区域 =======================
+// Android基础
+import android.content.Context; // 上下文
+import android.database.Cursor; // 数据库查询结果游标
+import android.text.TextUtils; // 文本工具
+
+// 应用内部工具
+import net.micode.notes.data.Contact; // 联系人工具类
+import net.micode.notes.data.Notes; // Notes主类
+import net.micode.notes.data.Notes.NoteColumns; // 便签表列定义
+import net.micode.notes.tool.DataUtils; // 数据工具
+
+// ======================= 便签项数据模型 =======================
+/**
+ * NoteItemData - 便签项数据模型类
+ * 功能:从数据库Cursor解析便签数据,封装为对象模型
+ * 用途:在便签列表适配器中表示单个便签项的数据
+ * 特点:包含位置判断逻辑,用于列表项背景选择
+ */
+public class NoteItemData {
+
+ // ======================= 数据库查询配置 =======================
+
+ /**
+ * 查询投影数组 - 指定从数据库查询哪些字段
+ * 包含便签表的所有重要字段
+ */
+ static final String [] PROJECTION = new String [] {
+ NoteColumns.ID, // 0 - 便签ID
+ NoteColumns.ALERTED_DATE, // 1 - 提醒时间
+ NoteColumns.BG_COLOR_ID, // 2 - 背景颜色ID
+ NoteColumns.CREATED_DATE, // 3 - 创建时间
+ NoteColumns.HAS_ATTACHMENT, // 4 - 是否有附件
+ NoteColumns.MODIFIED_DATE, // 5 - 修改时间
+ NoteColumns.NOTES_COUNT, // 6 - 包含的便签数(文件夹用)
+ NoteColumns.PARENT_ID, // 7 - 父文件夹ID
+ NoteColumns.SNIPPET, // 8 - 便签摘要
+ NoteColumns.TYPE, // 9 - 便签类型
+ NoteColumns.WIDGET_ID, // 10 - 小部件ID
+ NoteColumns.WIDGET_TYPE, // 11 - 小部件类型
+ NoteColumns.PINNED // 12 - 是否置顶
+ };
+
+ // ======================= 字段索引常量 =======================
+
+ // 使用常量而非魔法数字,提高代码可读性
+ private static final int ID_COLUMN = 0; // ID字段索引
+ private static final int ALERTED_DATE_COLUMN = 1; // 提醒时间字段索引
+ private static final int BG_COLOR_ID_COLUMN = 2; // 背景颜色字段索引
+ private static final int CREATED_DATE_COLUMN = 3; // 创建时间字段索引
+ private static final int HAS_ATTACHMENT_COLUMN = 4; // 附件字段索引
+ private static final int MODIFIED_DATE_COLUMN = 5; // 修改时间字段索引
+ private static final int NOTES_COUNT_COLUMN = 6; // 便签数字段索引
+ private static final int PARENT_ID_COLUMN = 7; // 父ID字段索引
+ private static final int SNIPPET_COLUMN = 8; // 摘要字段索引
+ private static final int TYPE_COLUMN = 9; // 类型字段索引
+ private static final int WIDGET_ID_COLUMN = 10; // 小部件ID字段索引
+ private static final int WIDGET_TYPE_COLUMN = 11; // 小部件类型字段索引
+ private static final int PINNED_COLUMN = 12; // 是否置顶字段索引
+
+ // ======================= 数据成员 =======================
+
+ // 基本数据字段
+ private long mId; // 便签ID
+ private long mAlertDate; // 提醒时间戳
+ private int mBgColorId; // 背景颜色索引
+ private long mCreatedDate; // 创建时间戳
+ private boolean mHasAttachment; // 是否有附件
+ private long mModifiedDate; // 修改时间戳
+ private int mNotesCount; // 包含的便签数(文件夹)
+ private long mParentId; // 父文件夹ID
+ private String mSnippet; // 便签摘要
+ private int mType; // 便签类型
+ private int mWidgetId; // 小部件ID
+ private int mWidgetType; // 小部件类型
+ private boolean mPinned; // 是否置顶
+
+ // 通话记录相关
+ private String mName; // 联系人姓名
+ private String mPhoneNumber; // 电话号码
+
+ // 位置状态标志
+ private boolean mIsLastItem; // 是否是列表最后一项
+ private boolean mIsFirstItem; // 是否是列表第一项
+ private boolean mIsOnlyOneItem; // 是否是唯一一项
+ private boolean mIsOneNoteFollowingFolder; // 是否是文件夹后的唯一便签
+ private boolean mIsMultiNotesFollowingFolder; // 是否是文件夹后的多个便签之一
+
+ // ======================= 构造函数 =======================
+
+ /**
+ * 构造函数
+ * 从Cursor解析数据并初始化对象
+ * 执行流程:
+ * 1. 从Cursor读取所有字段
+ * 2. 清理清单标记
+ * 3. 处理通话记录
+ * 4. 检查位置状态
+ *
+ * @param context 上下文,用于联系人查询
+ * @param cursor 数据库游标,必须包含PROJECTION指定的字段
+ */
+ public NoteItemData(Context context, Cursor cursor) {
+ // 1. 读取基本字段
+ mId = cursor.getLong(ID_COLUMN);
+ mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
+ mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN);
+ mCreatedDate = cursor.getLong(CREATED_DATE_COLUMN);
+ mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0) ? true : false;
+ mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN);
+ mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN);
+ mParentId = cursor.getLong(PARENT_ID_COLUMN);
+ mSnippet = cursor.getString(SNIPPET_COLUMN);
+ mType = cursor.getInt(TYPE_COLUMN);
+ mWidgetId = cursor.getInt(WIDGET_ID_COLUMN);
+ mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN);
+ mPinned = (cursor.getInt(PINNED_COLUMN) > 0) ? true : false;
+
+ // 2. 清理摘要中的清单标记
+ // 移除已勾选(√)和未勾选(□)标记,只显示纯文本
+ mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace(
+ NoteEditActivity.TAG_UNCHECKED, "");
+
+ // 3. 处理通话记录
+ mPhoneNumber = ""; // 初始化电话号码
+ if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {
+ // 从通话记录文件夹中获取电话号码
+ mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId);
+ if (!TextUtils.isEmpty(mPhoneNumber)) {
+ // 根据电话号码查询联系人姓名
+ mName = Contact.getContact(context, mPhoneNumber);
+ if (mName == null) {
+ // 未找到联系人,使用电话号码作为显示名称
+ mName = mPhoneNumber;
+ }
+ }
+ }
+
+ // 确保名称不为null
+ if (mName == null) {
+ mName = "";
+ }
+
+ // 4. 检查位置状态
+ checkPostion(cursor);
+ }
+
+ // ======================= 位置检查方法 =======================
+
+ /**
+ * 检查便签在列表中的位置状态
+ * 用于确定列表项应使用的背景样式
+ * 位置判断逻辑:
+ * 1. 基本位置:首项、末项、唯一项
+ * 2. 文件夹后位置:文件夹后的第一个便签、多个便签
+ *
+ * @param cursor 数据库游标,用于位置判断
+ */
+ private void checkPostion(Cursor cursor) {
+ // 1. 基本位置判断
+ mIsLastItem = cursor.isLast() ? true : false; // 是否是最后一项
+ mIsFirstItem = cursor.isFirst() ? true : false; // 是否是第一项
+ mIsOnlyOneItem = (cursor.getCount() == 1); // 是否是唯一一项
+
+ // 初始化文件夹后位置标志
+ mIsMultiNotesFollowingFolder = false;
+ mIsOneNoteFollowingFolder = false;
+
+ // 2. 判断是否是文件夹后的便签
+ // 条件:当前是便签类型 且 不是第一项
+ if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {
+ int position = cursor.getPosition(); // 获取当前游标位置
+
+ // 向前移动游标检查前一项
+ if (cursor.moveToPrevious()) {
+ // 判断前一项是否是文件夹或系统文件夹
+ if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER
+ || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {
+ // 判断后面是否还有更多项
+ if (cursor.getCount() > (position + 1)) {
+ // 文件夹后有多个便签
+ mIsMultiNotesFollowingFolder = true;
+ } else {
+ // 文件夹后只有一个便签
+ mIsOneNoteFollowingFolder = true;
+ }
+ }
+ // 移动回原位置
+ if (!cursor.moveToNext()) {
+ throw new IllegalStateException("cursor move to previous but can't move back");
+ }
+ }
+ }
+ }
+
+ // ======================= 位置状态获取方法 =======================
+
+ /**
+ * 是否是文件夹后的唯一便签
+ * 用于选择列表项背景:list_{color}_single
+ * @return true: 是文件夹后的唯一便签
+ */
+ public boolean isOneFollowingFolder() {
+ return mIsOneNoteFollowingFolder;
+ }
+
+ /**
+ * 是否是文件夹后的多个便签之一
+ * 用于选择列表项背景:list_{color}_middle
+ * @return true: 是文件夹后的多个便签之一
+ */
+ public boolean isMultiFollowingFolder() {
+ return mIsMultiNotesFollowingFolder;
+ }
+
+ /**
+ * 是否是列表最后一项
+ * 用于选择列表项背景:list_{color}_down
+ * @return true: 是最后一项
+ */
+ public boolean isLast() {
+ return mIsLastItem;
+ }
+
+ /**
+ * 获取通话记录联系人姓名
+ * 用于通话记录便签的显示
+ * @return 联系人姓名,无联系人时返回电话号码
+ */
+ public String getCallName() {
+ return mName;
+ }
+
+ /**
+ * 是否是列表第一项
+ * 用于选择列表项背景:list_{color}_up
+ * @return true: 是第一项
+ */
+ public boolean isFirst() {
+ return mIsFirstItem;
+ }
+
+ /**
+ * 是否是列表唯一项
+ * 用于选择列表项背景:list_{color}_single
+ * @return true: 是唯一项
+ */
+ public boolean isSingle() {
+ return mIsOnlyOneItem;
+ }
+
+ // ======================= 基本属性获取方法 =======================
+
+ /**
+ * 获取便签ID
+ * @return 便签ID
+ */
+ public long getId() {
+ return mId;
+ }
+
+ /**
+ * 获取提醒时间
+ * @return 提醒时间戳,0表示无提醒
+ */
+ public long getAlertDate() {
+ return mAlertDate;
+ }
+
+ /**
+ * 获取创建时间
+ * @return 创建时间戳
+ */
+ public long getCreatedDate() {
+ return mCreatedDate;
+ }
+
+ /**
+ * 是否包含附件
+ * @return true: 包含附件
+ */
+ public boolean hasAttachment() {
+ return mHasAttachment;
+ }
+
+ /**
+ * 获取修改时间
+ * @return 修改时间戳
+ */
+ public long getModifiedDate() {
+ return mModifiedDate;
+ }
+
+ /**
+ * 获取背景颜色ID
+ * @return 背景颜色索引
+ */
+ public int getBgColorId() {
+ return mBgColorId;
+ }
+
+ /**
+ * 获取父文件夹ID
+ * @return 父文件夹ID
+ */
+ public long getParentId() {
+ return mParentId;
+ }
+
+ /**
+ * 获取包含的便签数
+ * 仅对文件夹类型有效
+ * @return 便签数量
+ */
+ public int getNotesCount() {
+ return mNotesCount;
+ }
+
+ /**
+ * 获取文件夹ID(同getParentId)
+ * 用于语义化访问
+ * @return 文件夹ID
+ */
+ public long getFolderId () {
+ return mParentId;
+ }
+
+ /**
+ * 获取便签类型
+ * @return 类型常量:TYPE_NOTE, TYPE_FOLDER, TYPE_SYSTEM
+ */
+ public int getType() {
+ return mType;
+ }
+
+ /**
+ * 获取小部件类型
+ * @return 小部件类型:TYPE_WIDGET_INVALIDE, TYPE_WIDGET_2X, TYPE_WIDGET_4X
+ */
+ public int getWidgetType() {
+ return mWidgetType;
+ }
+
+ /**
+ * 获取便签是否置顶
+ * @return true: 置顶, false: 不置顶
+ */
+ public boolean isPinned() {
+ return mPinned;
+ }
+
+
+
+ /**
+ * 获取小部件ID
+ * @return 小部件ID
+ */
+ public int getWidgetId() {
+ return mWidgetId;
+ }
+
+ /**
+ * 获取便签摘要
+ * 已清理清单标记
+ * @return 便签摘要文本
+ */
+ public String getSnippet() {
+ return mSnippet;
+ }
+
+ // ======================= 状态判断方法 =======================
+
+ /**
+ * 是否有提醒设置
+ * @return true: 设置了提醒
+ */
+ public boolean hasAlert() {
+ return (mAlertDate > 0);
+ }
+
+ /**
+ * 是否是通话记录
+ * 判断条件:在通话记录文件夹中 且 有电话号码
+ * @return true: 是通话记录
+ */
+ public boolean isCallRecord() {
+ return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));
+ }
+
+ // ======================= 静态工具方法 =======================
+
+ /**
+ * 从Cursor获取便签类型
+ * 静态方法,无需创建对象
+ * @param cursor 数据库游标
+ * @return 便签类型
+ */
+ public static int getNoteType(Cursor cursor) {
+ return cursor.getInt(TYPE_COLUMN);
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/ui/NotesListActivity.java b/java/net/micode/notes/ui/NotesListActivity.java
new file mode 100644
index 0000000..a5349ff
--- /dev/null
+++ b/java/net/micode/notes/ui/NotesListActivity.java
@@ -0,0 +1,1358 @@
+/*
+ * 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.
+ */
+
+// NotesListActivity.java - 便签列表主Activity
+// 主要功能:显示便签和文件夹列表,提供便签管理、搜索、同步、导出等核心功能
+package net.micode.notes.ui;
+
+// ======================= 导入区域 =======================
+// Android基础
+import android.app.Activity; // Activity基类
+import android.app.AlertDialog; // 警告对话框
+import android.app.Dialog; // 对话框
+import android.appwidget.AppWidgetManager; // 应用小部件管理器
+import android.content.AsyncQueryHandler; // 异步查询处理器
+import android.content.ContentResolver; // 内容解析器
+import android.content.ContentValues; // 内容值
+import android.content.Context; // 上下文
+import android.content.DialogInterface; // 对话框接口
+import android.content.Intent; // 意图
+import android.content.SharedPreferences; // 偏好设置
+import android.database.Cursor; // 数据库查询结果游标
+import android.os.AsyncTask; // 异步任务
+import android.os.Bundle; // 状态保存
+import android.preference.PreferenceManager; // 偏好设置管理器
+// Android文本处理
+import android.text.Editable; // 可编辑文本
+import android.text.TextUtils; // 文本工具
+import android.text.TextWatcher; // 文本监听器
+import android.util.Log; // 日志工具
+// Android视图
+import android.view.ActionMode; // 操作模式(多选模式)
+import android.view.ContextMenu; // 上下文菜单
+import android.view.ContextMenu.ContextMenuInfo; // 上下文菜单信息
+import android.view.Display; // 显示信息
+import android.view.HapticFeedbackConstants; // 触觉反馈常量
+import android.view.LayoutInflater; // 布局加载器
+import android.view.Menu; // 菜单
+import android.view.MenuItem; // 菜单项
+import android.view.MenuItem.OnMenuItemClickListener; // 菜单项点击监听
+import android.view.MotionEvent; // 触摸事件
+import android.view.View; // 视图基类
+import android.view.View.OnClickListener; // 点击监听器
+import android.view.View.OnCreateContextMenuListener; // 上下文菜单创建监听
+import android.view.View.OnTouchListener; // 触摸监听器
+import android.view.inputmethod.InputMethodManager; // 输入法管理器
+// Android控件
+import android.widget.AdapterView; // 适配器视图
+import android.widget.AdapterView.OnItemClickListener; // 列表项点击监听
+import android.widget.AdapterView.OnItemLongClickListener; // 列表项长按监听
+import android.widget.Button; // 按钮
+import android.widget.EditText; // 编辑框
+import android.widget.ImageView; // 图片视图
+import android.widget.ListView; // 列表视图
+import android.widget.PopupMenu; // 弹出菜单
+import android.widget.TextView; // 文本视图
+import android.widget.Toast; // 提示信息
+
+// 应用内部资源
+import net.micode.notes.R; // 资源文件R类
+// 应用数据模型
+import net.micode.notes.data.Notes; // Notes主类
+import net.micode.notes.data.Notes.NoteColumns; // 便签表列定义
+import net.micode.notes.data.NotesDatabaseHelper; // 数据库帮助类
+// 应用同步服务
+import net.micode.notes.gtask.remote.GTaskSyncService; // Google任务同步服务
+// 应用业务模型
+import net.micode.notes.model.WorkingNote; // 工作便签模型
+// 应用工具
+import net.micode.notes.tool.BackupUtils; // 备份工具
+import net.micode.notes.tool.DataUtils; // 数据工具
+
+import net.micode.notes.tool.ResourceParser; // 资源解析器
+// 应用适配器
+import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute; // 小部件属性
+// 应用小部件
+import net.micode.notes.widget.NoteWidgetProvider_2x; // 2x小部件
+import net.micode.notes.widget.NoteWidgetProvider_4x; // 4x小部件
+
+// Java IO
+import java.io.BufferedReader; // 缓冲读取器
+import java.io.IOException; // IO异常
+import java.io.InputStream; // 输入流
+import java.io.InputStreamReader; // 输入流读取器
+// Java集合
+import java.util.HashSet; // 哈希集合
+import java.util.List; // 列表接口
+import java.util.Map; // 映射接口
+
+// ======================= 便签列表主Activity =======================
+/**
+ * NotesListActivity - 便签列表主Activity
+ * 继承自Activity,实现OnClickListener和OnItemLongClickListener
+ * 功能:应用的主界面,显示便签/文件夹列表,提供所有核心管理功能
+ * 实现接口:
+ * OnClickListener: 处理按钮点击
+ * OnItemLongClickListener: 处理列表项长按
+ */
+public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
+
+ // ======================= 异步查询令牌常量 =======================
+
+ /** 文件夹便签列表查询令牌 - 查询指定文件夹下的便签 */
+ private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
+
+ /** 文件夹列表查询令牌 - 查询所有文件夹(用于移动操作) */
+ private static final int FOLDER_LIST_QUERY_TOKEN = 1;
+
+ // ======================= 文件夹上下文菜单常量 =======================
+
+ private static final int MENU_FOLDER_DELETE = 0; // 删除文件夹
+ private static final int MENU_FOLDER_VIEW = 1; // 查看文件夹
+ private static final int MENU_FOLDER_CHANGE_NAME = 2; // 重命名文件夹
+
+ // ======================= 便签上下文菜单常量 =======================
+
+ private static final int MENU_NOTE_PIN = 3; // 置顶便签
+ private static final int MENU_NOTE_UNPIN = 4; // 取消置顶便签
+ private static final int MENU_NOTE_BATCH_SELECT = 5; // 批量选择
+
+ // ======================= 偏好设置常量 =======================
+
+ /** 应用介绍偏好键 - 标记是否已显示应用介绍 */
+ private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";
+
+ // ======================= 列表编辑状态枚举 =======================
+
+ /**
+ * ListEditState - 列表编辑状态枚举
+ * 表示当前列表显示的内容类型
+ */
+ private enum ListEditState {
+ NOTE_LIST, // 根目录便签列表
+ SUB_FOLDER, // 子文件夹
+ CALL_RECORD_FOLDER // 通话记录文件夹
+ };
+
+ /** 当前列表状态 */
+ private ListEditState mState;
+
+ // ======================= 成员变量 =======================
+
+ /** 异步查询处理器 - 处理数据库异步查询 */
+ private BackgroundQueryHandler mBackgroundQueryHandler;
+
+ /** 便签列表适配器 - 管理列表数据显示 */
+ private NotesListAdapter mNotesListAdapter;
+
+ /** 便签列表视图 - 显示便签/文件夹列表 */
+ private ListView mNotesListView;
+
+ /** 新建便签按钮 */
+ private Button mAddNewNote;
+
+ /** 触摸事件分发标志 - 用于处理透明区域的触摸事件 */
+ private boolean mDispatch;
+
+ /** 触摸起始Y坐标 */
+ private int mOriginY;
+
+ /** 分发触摸事件Y坐标 */
+ private int mDispatchY;
+
+ /** 标题栏文本 - 显示当前文件夹名称 */
+ private TextView mTitleBar;
+
+ /** 当前文件夹ID - 表示当前显示的文件夹 */
+ private long mCurrentFolderId;
+
+ /** 内容解析器 - 用于访问ContentProvider */
+ private ContentResolver mContentResolver;
+
+ /** 多选模式回调 - 处理多选操作 */
+ private ModeCallback mModeCallBack;
+
+ /** 日志标签 */
+ private static final String TAG = "NotesListActivity";
+
+ /** 列表视图滚动速率常量 */
+ public static final int NOTES_LISTVIEW_SCROLL_RATE = 30;
+
+ /** 当前焦点便签数据项 - 用于上下文菜单和长按操作 */
+ private NoteItemData mFocusNoteDataItem;
+
+ /** 当前选中的标签ID - 用于按标签筛选便签,-1表示不筛选 */
+
+
+ // ======================= 数据库查询条件常量 =======================
+
+ /** 普通文件夹查询条件 - 查询指定父文件夹下的便签 */
+ private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?";
+
+ /** 根文件夹查询条件 - 查询根目录下的便签和通话记录文件夹(如果有便签) */
+ 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)";
+
+ // ======================= 请求码常量 =======================
+
+ /** 打开便签请求码 */
+ private final static int REQUEST_CODE_OPEN_NODE = 102;
+ /** 新建便签请求码 */
+ private final static int REQUEST_CODE_NEW_NODE = 103;
+
+ // ======================= 生命周期方法 =======================
+
+ /**
+ * onCreate - Activity创建
+ * 初始化界面和资源
+ * @param savedInstanceState 保存的状态
+ */
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ // 设置布局
+ setContentView(R.layout.note_list);
+ // 初始化资源
+ initResources();
+
+ /**
+ * 用户首次使用应用时插入介绍便签
+ */
+ setAppInfoFromRawRes();
+ }
+
+ /**
+ * onActivityResult - 处理子Activity返回结果
+ */
+ @Override
+ protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+ // 如果从便签编辑返回成功,刷新列表
+ if (resultCode == RESULT_OK
+ && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
+ mNotesListAdapter.changeCursor(null);
+ } else {
+ super.onActivityResult(requestCode, resultCode, data);
+ }
+ }
+
+ // ======================= 应用介绍初始化 =======================
+
+ /**
+ * 从Raw资源设置应用介绍
+ * 首次启动时从R.raw.introduction读取介绍文本并创建便签
+ */
+ private void setAppInfoFromRawRes() {
+ SharedPreferences sp = getSharedPreferences(NotesPreferenceActivity.PREFERENCE_NAME, Context.MODE_PRIVATE);
+ // 检查是否已添加过介绍
+ if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
+ StringBuilder sb = new StringBuilder();
+ InputStream in = null;
+ try {
+ // 读取Raw资源文件
+ in = getResources().openRawResource(R.raw.introduction);
+ if (in != null) {
+ InputStreamReader isr = new InputStreamReader(in);
+ BufferedReader br = new BufferedReader(isr);
+ char [] buf = new char[1024];
+ int len = 0;
+ while ((len = br.read(buf)) > 0) {
+ sb.append(buf, 0, len);
+ }
+ } else {
+ Log.e(TAG, "Read introduction file error");
+ return;
+ }
+ } catch (IOException e) {
+ e.printStackTrace();
+ return;
+ } finally {
+ if(in != null) {
+ try {
+ in.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+
+ // 创建介绍便签
+ 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()) {
+ // 标记已添加介绍
+ sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit();
+ } else {
+ Log.e(TAG, "Save introduction note error");
+ return;
+ }
+ }
+ }
+
+ /**
+ * onStart - Activity开始
+ * 开始异步查询便签列表
+ */
+ @Override
+ protected void onStart() {
+ super.onStart();
+ startAsyncNotesListQuery();
+ }
+
+ // ======================= 资源初始化 =======================
+
+ /**
+ * 初始化资源
+ * 查找视图引用,设置监听器
+ */
+ private void initResources() {
+ mContentResolver = this.getContentResolver();
+ mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
+ mCurrentFolderId = Notes.ID_ROOT_FOLDER; // 默认为根文件夹
+ mNotesListView = (ListView) findViewById(R.id.notes_list);
+ // 添加列表脚部视图
+ mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
+ null, false);
+ mNotesListView.setOnItemClickListener(new OnListItemClickListener());
+ mNotesListView.setOnItemLongClickListener(this);
+ mNotesListAdapter = new NotesListAdapter(this);
+ mNotesListView.setAdapter(mNotesListAdapter);
+ mAddNewNote = (Button) findViewById(R.id.btn_new_note);
+ mAddNewNote.setOnClickListener(this);
+ mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener());
+ mDispatch = false;
+ mDispatchY = 0;
+ mOriginY = 0;
+ mTitleBar = (TextView) findViewById(R.id.tv_title_bar);
+
+ mState = ListEditState.NOTE_LIST; // 初始状态为便签列表
+ mModeCallBack = new ModeCallback(); // 创建多选模式回调
+
+ // 更新标题栏
+ updateTitleBar();
+ }
+
+ // ======================= 多选模式回调类 =======================
+
+ /**
+ * ModeCallback - 多选模式回调类
+ * 实现ListView.MultiChoiceModeListener接口
+ * 处理便签多选操作
+ */
+ private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
+ private DropdownMenu mDropDownMenu; // 下拉菜单
+ private ActionMode mActionMode; // 当前操作模式
+ private MenuItem mMoveMenu; // 移动菜单项
+
+ /**
+ * 创建操作模式
+ * 初始化多选菜单
+ */
+ 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);
+ // 根据条件显示/隐藏移动菜单
+ if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER
+ || DataUtils.getUserFolderCount(mContentResolver) == 0) {
+ mMoveMenu.setVisible(false);
+ } else {
+ mMoveMenu.setVisible(true);
+ mMoveMenu.setOnMenuItemClickListener(this);
+ }
+
+ // 设置置顶和取消置顶菜单项的点击监听器
+ MenuItem pinMenuItem = menu.findItem(R.id.pin);
+ MenuItem unpinMenuItem = menu.findItem(R.id.unpin);
+ pinMenuItem.setOnMenuItemClickListener(this);
+ unpinMenuItem.setOnMenuItemClickListener(this);
+
+ mActionMode = mode;
+ mNotesListAdapter.setChoiceMode(true); // 进入选择模式
+ mNotesListView.setLongClickable(false); // 禁用长按
+ mAddNewNote.setVisibility(View.GONE); // 隐藏新建按钮
+
+ // 设置自定义视图(包含下拉菜单)
+ 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) {
+ // 全选/取消全选
+ mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());
+ updateMenu();
+ return true;
+ }
+ });
+ return true;
+ }
+
+ /**
+ * 更新菜单显示
+ * 更新选中数量和全选状态
+ */
+ private void updateMenu() {
+ int selectedCount = mNotesListAdapter.getSelectedCount();
+ // 更新下拉菜单标题
+ 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);
+ }
+ }
+ }
+
+ /**
+ * 准备操作模式
+ */
+ public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+ return false;
+ }
+
+ /**
+ * 操作项点击
+ */
+ public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+ return false;
+ }
+
+ /**
+ * 销毁操作模式
+ * 恢复列表正常状态
+ */
+ public void onDestroyActionMode(ActionMode mode) {
+ mNotesListAdapter.setChoiceMode(false); // 退出选择模式
+ mNotesListView.setLongClickable(true); // 启用长按
+ mAddNewNote.setVisibility(View.VISIBLE); // 显示新建按钮
+ }
+
+ /**
+ * 结束操作模式
+ */
+ public void finishActionMode() {
+ mActionMode.finish();
+ }
+
+ /**
+ * 项选中状态变化
+ * 更新菜单显示
+ */
+ public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
+ boolean checked) {
+ mNotesListAdapter.setCheckedItem(position, checked);
+ updateMenu();
+ }
+
+ /**
+ * 菜单项点击处理
+ */
+ 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;
+ }
+
+ int itemId = item.getItemId();
+ if (itemId == R.id.delete) {
+ // 显示删除确认对话框
+ 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();
+ } else if (itemId == R.id.move) {
+ // 查询目标文件夹
+ startQueryDestinationFolders();
+ } else if (itemId == R.id.pin) {
+ // 批量置顶选中的便签
+ batchPinNotes(true);
+ } else if (itemId == R.id.unpin) {
+ // 批量取消置顶选中的便签
+ batchPinNotes(false);
+ } else {
+ return false;
+ }
+ return true;
+ }
+ }
+
+ // ======================= 新建便签按钮触摸监听 =======================
+
+ /**
+ * NewNoteOnTouchListener - 新建便签按钮触摸监听
+ * 处理透明区域的触摸事件分发
+ */
+ private class NewNoteOnTouchListener implements OnTouchListener {
+
+ public boolean onTouch(View v, MotionEvent event) {
+ switch (event.getAction()) {
+ case MotionEvent.ACTION_DOWN: {
+ Display display = getWindowManager().getDefaultDisplay();
+ int screenHeight = display.getHeight();
+ int newNoteViewHeight = mAddNewNote.getHeight();
+ int start = screenHeight - newNoteViewHeight;
+ int eventY = start + (int) event.getY();
+ /**
+ * 减去标题栏高度
+ * 在子文件夹状态下,需要调整坐标
+ */
+ if (mState == ListEditState.SUB_FOLDER) {
+ eventY -= mTitleBar.getHeight();
+ start -= mTitleBar.getHeight();
+ }
+ /**
+ * HACKME: 当点击"新建便签"按钮的透明部分时,将事件分发到底层的列表视图
+ * 透明部分由公式 y=-0.12x+94(像素单位)和按钮顶部线表示
+ * 坐标基于"新建便签"按钮的左侧
+ * 94表示透明部分的最大高度
+ * 注意:如果按钮背景改变,公式也应改变
+ */
+ if (event.getY() < (event.getX() * (-0.12) + 94)) {
+ View view = mNotesListView.getChildAt(mNotesListView.getChildCount() - 1
+ - mNotesListView.getFooterViewsCount());
+ if (view != null && view.getBottom() > start
+ && (view.getTop() < (start + 94))) {
+ mOriginY = (int) event.getY();
+ mDispatchY = eventY;
+ event.setLocation(event.getX(), mDispatchY);
+ mDispatch = true;
+ return mNotesListView.dispatchTouchEvent(event);
+ }
+ }
+ break;
+ }
+ case MotionEvent.ACTION_MOVE: {
+ if (mDispatch) {
+ mDispatchY += (int) event.getY() - mOriginY;
+ event.setLocation(event.getX(), mDispatchY);
+ return mNotesListView.dispatchTouchEvent(event);
+ }
+ break;
+ }
+ default: {
+ if (mDispatch) {
+ event.setLocation(event.getX(), mDispatchY);
+ mDispatch = false;
+ return mNotesListView.dispatchTouchEvent(event);
+ }
+ break;
+ }
+ }
+ return false;
+ }
+ }
+
+ // ======================= 异步查询处理 =======================
+
+ /**
+ * 开始异步便签列表查询
+ */
+ private void startAsyncNotesListQuery() {
+ String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION
+ : NORMAL_SELECTION;
+ String[] selectionArgs = { String.valueOf(mCurrentFolderId) };
+
+ mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
+ Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, selectionArgs,
+ NoteColumns.PINNED + " DESC," + NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
+ }
+
+ /**
+ * BackgroundQueryHandler - 异步查询处理器
+ * 继承自AsyncQueryHandler
+ */
+ private final class BackgroundQueryHandler extends AsyncQueryHandler {
+ public BackgroundQueryHandler(ContentResolver contentResolver) {
+ super(contentResolver);
+ }
+
+ @Override
+ protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
+ switch (token) {
+ case FOLDER_NOTE_LIST_QUERY_TOKEN:
+ // 更新便签列表适配器
+ mNotesListAdapter.changeCursor(cursor);
+ break;
+ case FOLDER_LIST_QUERY_TOKEN:
+ // 显示文件夹列表菜单
+ if (cursor != null && cursor.getCount() > 0) {
+ showFolderListMenu(cursor);
+ } else {
+ Log.e(TAG, "Query folder failed");
+ }
+ break;
+ default:
+ return;
+ }
+ }
+ }
+
+ // ======================= 文件夹列表菜单 =======================
+
+ /**
+ * 显示文件夹列表菜单
+ * 用于移动便签到其他文件夹
+ * @param cursor 文件夹数据游标
+ */
+ private void showFolderListMenu(Cursor cursor) {
+ AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+ builder.setTitle(R.string.menu_title_select_folder);
+ final FoldersListAdapter adapter = new FoldersListAdapter(this, cursor);
+ builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int which) {
+ // 批量移动便签到选中文件夹
+ DataUtils.batchMoveToFolder(mContentResolver,
+ mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which));
+ Toast.makeText(
+ NotesListActivity.this,
+ getString(R.string.format_move_notes_to_folder,
+ mNotesListAdapter.getSelectedCount(),
+ adapter.getFolderName(NotesListActivity.this, which)),
+ Toast.LENGTH_SHORT).show();
+ mModeCallBack.finishActionMode();
+ }
+ });
+ builder.show();
+ }
+
+ // ======================= 新建便签 =======================
+
+ /**
+ * 创建新便签
+ */
+ private void createNewNote() {
+ Intent intent = new Intent(this, NoteEditActivity.class);
+ intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
+ intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mCurrentFolderId);
+ this.startActivityForResult(intent, REQUEST_CODE_NEW_NODE);
+ }
+
+ // ======================= 批量删除 =======================
+
+ /**
+ * 批量删除选中的便签
+ */
+ private void batchDelete() {
+ new AsyncTask>() {
+ protected HashSet doInBackground(Void... unused) {
+ // 获取选中便签关联的小部件
+ HashSet widgets = mNotesListAdapter.getSelectedWidget();
+
+ // 统一使用永久删除方式
+ if (!DataUtils.batchDeleteNotes(mContentResolver, mNotesListAdapter.getSelectedItemIds())) {
+ Log.e(TAG, "Delete notes error, should not happens");
+ }
+
+ return widgets;
+ }
+
+ @Override
+ protected void onPostExecute(HashSet widgets) {
+ // 更新关联的小部件
+ if (widgets != null) {
+ for (AppWidgetAttribute widget : widgets) {
+ if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+ && widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) {
+ updateWidget(widget.widgetId, widget.widgetType);
+ }
+ }
+ }
+ mModeCallBack.finishActionMode();
+ }
+ }.execute();
+ }
+
+ /**
+ * 批量设置便签置顶状态
+ * @param pin true: 置顶, false: 取消置顶
+ */
+ private void batchPinNotes(final boolean pin) {
+ new AsyncTask>() {
+ protected HashSet doInBackground(Void... unused) {
+ // 获取选中便签关联的小部件
+ HashSet widgets = mNotesListAdapter.getSelectedWidget();
+
+ // 批量设置置顶状态
+ ContentValues values = new ContentValues();
+ values.put(NoteColumns.PINNED, pin ? 1 : 0);
+ values.put(NoteColumns.LOCAL_MODIFIED, 1);
+
+ StringBuffer selection = new StringBuffer();
+ HashSet ids = mNotesListAdapter.getSelectedItemIds();
+ String[] selectionArgs = new String[ids.size()];
+ int i = 0;
+ for (Long id : ids) {
+ if (i > 0) {
+ selection.append(" OR ");
+ }
+ selection.append(NoteColumns.ID + "=?");
+ selectionArgs[i++] = String.valueOf(id);
+ }
+
+ mContentResolver.update(Notes.CONTENT_NOTE_URI, values, selection.toString(), selectionArgs);
+
+ return widgets;
+ }
+
+ @Override
+ protected void onPostExecute(HashSet widgets) {
+ // 更新关联的小部件
+ if (widgets != null) {
+ for (AppWidgetAttribute widget : widgets) {
+ if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+ && widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) {
+ updateWidget(widget.widgetId, widget.widgetType);
+ }
+ }
+ }
+ mModeCallBack.finishActionMode();
+ }
+ }.execute();
+ }
+
+ // ======================= 删除文件夹 =======================
+
+ /**
+ * 切换便签置顶状态
+ * @param noteId 便签ID
+ * @param currentPinned 当前置顶状态
+ */
+ private void togglePinNote(long noteId, boolean currentPinned) {
+ ContentValues values = new ContentValues();
+ values.put(NoteColumns.PINNED, currentPinned ? 0 : 1);
+ values.put(NoteColumns.LOCAL_MODIFIED, 1);
+ mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID + "=?",
+ new String[] { String.valueOf(noteId) });
+ }
+
+ /**
+ * 显示标签筛选对话框
+ */
+
+
+ /**
+ * 更新标题栏,显示当前文件夹和筛选状态
+ */
+ private void updateTitleBar() {
+ String title = getString(R.string.app_name);
+
+ // 如果不是根文件夹,显示文件夹名称
+ if (mCurrentFolderId != Notes.ID_ROOT_FOLDER) {
+ Cursor cursor = mContentResolver.query(Notes.CONTENT_NOTE_URI,
+ new String[] { NoteColumns.SNIPPET },
+ NoteColumns.ID + "=?",
+ new String[] { String.valueOf(mCurrentFolderId) },
+ null);
+
+ if (cursor != null && cursor.moveToFirst()) {
+ title = cursor.getString(0);
+ cursor.close();
+ }
+ }
+
+ mTitleBar.setText(title);
+ mTitleBar.setVisibility(View.VISIBLE);
+ }
+
+
+
+ /**
+ * 删除文件夹
+ * @param folderId 文件夹ID
+ */
+ private void deleteFolder(long folderId) {
+ if (folderId == Notes.ID_ROOT_FOLDER) {
+ Log.e(TAG, "Wrong folder id, should not happen " + folderId);
+ return;
+ }
+
+ HashSet ids = new HashSet();
+ ids.add(folderId);
+ // 获取文件夹关联的小部件
+ HashSet widgets = DataUtils.getFolderNoteWidget(mContentResolver,
+ folderId);
+ if (!isSyncMode()) {
+ // 非同步模式:直接删除
+ DataUtils.batchDeleteNotes(mContentResolver, ids);
+ } else {
+ // 同步模式:移动到回收站
+ DataUtils.batchMoveToFolder(mContentResolver, ids, Notes.ID_TRASH_FOLER);
+ }
+ // 更新小部件
+ 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);
+ }
+ }
+ }
+ }
+
+ // ======================= 打开便签 =======================
+
+ /**
+ * 打开便签
+ * @param data 便签数据
+ */
+ private void openNode(NoteItemData data) {
+ Intent intent = new Intent(this, NoteEditActivity.class);
+ intent.setAction(Intent.ACTION_VIEW);
+ intent.putExtra(Intent.EXTRA_UID, data.getId());
+ this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE);
+ }
+
+ // ======================= 打开文件夹 =======================
+
+ /**
+ * 打开文件夹
+ * @param data 文件夹数据
+ */
+ private void openFolder(NoteItemData data) {
+ mCurrentFolderId = data.getId();
+ startAsyncNotesListQuery(); // 查询文件夹内容
+ if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
+ mState = ListEditState.CALL_RECORD_FOLDER;
+ mAddNewNote.setVisibility(View.GONE); // 通话记录文件夹不显示新建按钮
+ } else {
+ mState = ListEditState.SUB_FOLDER;
+ }
+ // 设置标题
+ 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);
+ }
+
+ // ======================= 点击事件处理 =======================
+
+ /**
+ * onClick - 视图点击处理
+ * 实现OnClickListener接口
+ */
+ public void onClick(View v) {
+ int viewId = v.getId();
+ if (viewId == R.id.btn_new_note) {
+ createNewNote();
+ }
+ }
+
+ // ======================= 输入法控制 =======================
+
+ /**
+ * 显示软键盘
+ */
+ private void showSoftInput() {
+ InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+ if (inputMethodManager != null) {
+ inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
+ }
+ }
+
+ /**
+ * 隐藏软键盘
+ */
+ private void hideSoftInput(View view) {
+ InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+ inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
+ }
+
+ // ======================= 创建/修改文件夹对话框 =======================
+
+ /**
+ * 显示创建或修改文件夹对话框
+ * @param create true: 创建文件夹; false: 修改文件夹名称
+ */
+ private void showCreateOrModifyFolderDialog(final boolean create) {
+ final AlertDialog.Builder builder = new AlertDialog.Builder(this);
+ View view = LayoutInflater.from(this).inflate(R.layout.dialog_edit_text, null);
+ final EditText etName = (EditText) view.findViewById(R.id.et_foler_name);
+ showSoftInput(); // 显示软键盘
+ if (!create) {
+ // 修改文件夹名称
+ if (mFocusNoteDataItem != null) {
+ etName.setText(mFocusNoteDataItem.getSnippet());
+ builder.setTitle(getString(R.string.menu_folder_change_name));
+ } else {
+ Log.e(TAG, "The long click data item is null");
+ return;
+ }
+ } else {
+ // 创建新文件夹
+ etName.setText("");
+ builder.setTitle(this.getString(R.string.menu_create_folder));
+ }
+
+ builder.setPositiveButton(android.R.string.ok, null);
+ builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int which) {
+ hideSoftInput(etName);
+ }
+ });
+
+ final Dialog dialog = builder.setView(view).show();
+ final Button positive = (Button)dialog.findViewById(android.R.id.button1);
+ positive.setOnClickListener(new OnClickListener() {
+ public void onClick(View v) {
+ hideSoftInput(etName);
+ String name = etName.getText().toString();
+ // 检查文件夹名称是否已存在
+ 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) {
+ // 修改文件夹名称
+ if (!TextUtils.isEmpty(name)) {
+ ContentValues values = new ContentValues();
+ values.put(NoteColumns.SNIPPET, name);
+ values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
+ values.put(NoteColumns.LOCAL_MODIFIED, 1);
+ mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID
+ + "=?", new String[] {
+ String.valueOf(mFocusNoteDataItem.getId())
+ });
+ }
+ } else if (!TextUtils.isEmpty(name)) {
+ // 创建新文件夹
+ ContentValues values = new ContentValues();
+ values.put(NoteColumns.SNIPPET, name);
+ values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
+ mContentResolver.insert(Notes.CONTENT_NOTE_URI, values);
+ }
+ dialog.dismiss();
+ }
+ });
+
+ // 初始状态:名称为空时禁用确定按钮
+ if (TextUtils.isEmpty(etName.getText())) {
+ positive.setEnabled(false);
+ }
+ /**
+ * 当名称编辑文本为空时,禁用确定按钮
+ */
+ etName.addTextChangedListener(new TextWatcher() {
+ public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+ }
+
+ 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) {
+ }
+ });
+ }
+
+ // ======================= 返回键处理 =======================
+
+ /**
+ * 返回键处理
+ * 根据当前状态返回上一级
+ */
+ @Override
+ public void onBackPressed() {
+ switch (mState) {
+ case SUB_FOLDER:
+ // 子文件夹返回根目录
+ mCurrentFolderId = Notes.ID_ROOT_FOLDER;
+ mState = ListEditState.NOTE_LIST;
+ startAsyncNotesListQuery();
+ mTitleBar.setVisibility(View.GONE);
+ break;
+ case CALL_RECORD_FOLDER:
+ // 通话记录文件夹返回根目录
+ mCurrentFolderId = Notes.ID_ROOT_FOLDER;
+ mState = ListEditState.NOTE_LIST;
+ mAddNewNote.setVisibility(View.VISIBLE);
+ mTitleBar.setVisibility(View.GONE);
+ startAsyncNotesListQuery();
+ break;
+ case NOTE_LIST:
+ // 根目录直接退出Activity
+ super.onBackPressed();
+ break;
+ default:
+ break;
+ }
+ }
+
+ // ======================= 更新小部件 =======================
+
+ /**
+ * 更新小部件
+ * @param appWidgetId 小部件ID
+ * @param appWidgetType 小部件类型
+ */
+ private void updateWidget(int appWidgetId, int appWidgetType) {
+ Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
+ if (appWidgetType == Notes.TYPE_WIDGET_2X) {
+ intent.setClass(this, NoteWidgetProvider_2x.class);
+ } else if (appWidgetType == Notes.TYPE_WIDGET_4X) {
+ intent.setClass(this, NoteWidgetProvider_4x.class);
+ } else {
+ Log.e(TAG, "Unspported widget type");
+ return;
+ }
+
+ intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
+ appWidgetId
+ });
+
+ sendBroadcast(intent);
+ setResult(RESULT_OK, intent);
+ }
+
+ // ======================= 文件夹上下文菜单监听 =======================
+
+ /**
+ * 文件夹上下文菜单创建监听器
+ */
+ private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {
+ public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
+ if (mFocusNoteDataItem != null) {
+ menu.setHeaderTitle(mFocusNoteDataItem.getSnippet());
+ menu.add(0, MENU_FOLDER_VIEW, 0, R.string.menu_folder_view);
+ menu.add(0, MENU_FOLDER_DELETE, 0, R.string.menu_folder_delete);
+ menu.add(0, MENU_FOLDER_CHANGE_NAME, 0, R.string.menu_folder_change_name);
+ }
+ }
+ };
+
+ private final OnCreateContextMenuListener mNoteOnCreateContextMenuListener = new OnCreateContextMenuListener() {
+ public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
+ if (mFocusNoteDataItem != null) {
+ menu.setHeaderTitle(R.string.app_name);
+ // 根据当前置顶状态添加不同的菜单项
+ if (mFocusNoteDataItem.isPinned()) {
+ menu.add(0, MENU_NOTE_UNPIN, 0, R.string.menu_unpin);
+ } else {
+ menu.add(0, MENU_NOTE_PIN, 0, R.string.menu_pin);
+ }
+ // 添加批量选择菜单项
+ menu.add(0, MENU_NOTE_BATCH_SELECT, 1, R.string.menu_batch_select);
+ }
+ }
+ };
+
+ /**
+ * 上下文菜单关闭
+ */
+ @Override
+ public void onContextMenuClosed(Menu menu) {
+ if (mNotesListView != null) {
+ mNotesListView.setOnCreateContextMenuListener(null);
+ }
+ super.onContextMenuClosed(menu);
+ }
+
+ /**
+ * 上下文菜单项选择
+ */
+ @Override
+ public boolean onContextItemSelected(MenuItem item) {
+ if (mFocusNoteDataItem == null) {
+ Log.e(TAG, "The long click data item is null");
+ return false;
+ }
+ int itemId = item.getItemId();
+ if (itemId == MENU_FOLDER_VIEW) {
+ openFolder(mFocusNoteDataItem);
+ } else if (itemId == MENU_FOLDER_DELETE) {
+ 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_folder));
+ builder.setPositiveButton(android.R.string.ok,
+ new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int which) {
+ deleteFolder(mFocusNoteDataItem.getId());
+ }
+ });
+ builder.setNegativeButton(android.R.string.cancel, null);
+ builder.show();
+ } else if (itemId == MENU_FOLDER_CHANGE_NAME) {
+ showCreateOrModifyFolderDialog(false);
+ } else if (itemId == MENU_NOTE_PIN) {
+ togglePinNote(mFocusNoteDataItem.getId(), false);
+ } else if (itemId == MENU_NOTE_UNPIN) {
+ togglePinNote(mFocusNoteDataItem.getId(), true);
+ } else if (itemId == MENU_NOTE_BATCH_SELECT) {
+ // 进入批量选择模式
+ // 启动多选模式
+ mModeCallBack = new ModeCallback();
+ mNotesListView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
+ mNotesListView.setMultiChoiceModeListener(mModeCallBack);
+ }
+
+ return true;
+ }
+
+ // ======================= 选项菜单处理 =======================
+
+ /**
+ * 准备选项菜单
+ * 根据当前状态加载不同的菜单
+ */
+ @Override
+ public boolean onPrepareOptionsMenu(Menu menu) {
+ menu.clear();
+ if (mState == ListEditState.NOTE_LIST) {
+ getMenuInflater().inflate(R.menu.note_list, menu);
+ // 根据同步状态设置菜单文本
+ menu.findItem(R.id.menu_sync).setTitle(
+ GTaskSyncService.isSyncing() ? R.string.menu_sync_cancel : R.string.menu_sync);
+ } else if (mState == ListEditState.SUB_FOLDER) {
+ getMenuInflater().inflate(R.menu.sub_folder, menu);
+ } else if (mState == ListEditState.CALL_RECORD_FOLDER) {
+ getMenuInflater().inflate(R.menu.call_record_folder, menu);
+ } else {
+ Log.e(TAG, "Wrong state:" + mState);
+ }
+ return true;
+ }
+
+ /**
+ * 选项菜单项选择
+ */
+ @Override
+ public boolean onOptionsItemSelected(MenuItem item) {
+ int itemId = item.getItemId();
+ if (itemId == R.id.menu_new_folder) {
+ showCreateOrModifyFolderDialog(true);
+ } else if (itemId == R.id.menu_export_text) {
+ exportNoteToText();
+ } else if (itemId == R.id.menu_sync) {
+ if (isSyncMode()) {
+ if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) {
+ GTaskSyncService.startSync(this);
+ } else {
+ GTaskSyncService.cancelSync(this);
+ }
+ } else {
+ startPreferenceActivity();
+ }
+ } else if (itemId == R.id.menu_setting) {
+ startPreferenceActivity();
+ } else if (itemId == R.id.menu_new_note) {
+ createNewNote();
+ } else if (itemId == R.id.menu_search) {
+ onSearchRequested();
+ }
+ return true;
+ }
+
+ // ======================= 搜索请求 =======================
+
+ /**
+ * 搜索请求
+ */
+ @Override
+ public boolean onSearchRequested() {
+ startSearch(null, false, null /* appData */, false);
+ return true;
+ }
+
+ // ======================= 导出便签到文本 =======================
+
+ /**
+ * 导出便签到文本文件
+ */
+ private void exportNoteToText() {
+ final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
+ new AsyncTask() {
+ @Override
+ protected Integer doInBackground(Void... unused) {
+ return backup.exportToText();
+ }
+
+ @Override
+ protected void onPostExecute(Integer result) {
+ if (result == BackupUtils.STATE_SD_CARD_UNMOUONTED) {
+ // SD卡未挂载
+ AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+ builder.setTitle(NotesListActivity.this
+ .getString(R.string.failed_sdcard_export));
+ builder.setMessage(NotesListActivity.this
+ .getString(R.string.error_sdcard_unmounted));
+ builder.setPositiveButton(android.R.string.ok, null);
+ builder.show();
+ } else if (result == BackupUtils.STATE_SUCCESS) {
+ // 导出成功
+ AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+ builder.setTitle(NotesListActivity.this
+ .getString(R.string.success_sdcard_export));
+ builder.setMessage(NotesListActivity.this.getString(
+ R.string.format_exported_file_location, backup
+ .getExportedTextFileName(), backup.getExportedTextFileDir()));
+ builder.setPositiveButton(android.R.string.ok, null);
+ builder.show();
+ } else if (result == BackupUtils.STATE_SYSTEM_ERROR) {
+ // 系统错误
+ AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+ builder.setTitle(NotesListActivity.this
+ .getString(R.string.failed_sdcard_export));
+ builder.setMessage(NotesListActivity.this
+ .getString(R.string.error_sdcard_export));
+ builder.setPositiveButton(android.R.string.ok, null);
+ builder.show();
+ }
+ }
+ }.execute();
+ }
+
+ // ======================= 同步模式判断 =======================
+
+ /**
+ * 判断是否为同步模式
+ * @return true: 已设置同步账户; false: 未设置
+ */
+ private boolean isSyncMode() {
+ return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
+ }
+
+ // ======================= 启动设置Activity =======================
+
+ /**
+ * 启动设置Activity
+ */
+ private void startPreferenceActivity() {
+ Activity from = getParent() != null ? getParent() : this;
+ Intent intent = new Intent(from, NotesPreferenceActivity.class);
+ from.startActivityIfNeeded(intent, -1);
+ }
+
+ // ======================= 列表项点击监听 =======================
+
+ /**
+ * OnListItemClickListener - 列表项点击监听
+ */
+ private class OnListItemClickListener implements OnItemClickListener {
+ public void onItemClick(AdapterView> parent, View view, int position, long id) {
+ if (view instanceof NotesListItem) {
+ NoteItemData item = ((NotesListItem) view).getItemData();
+ // 如果在选择模式中
+ if (mNotesListAdapter.isInChoiceMode()) {
+ if (item.getType() == Notes.TYPE_NOTE) {
+ position = position - mNotesListView.getHeaderViewsCount();
+ mModeCallBack.onItemCheckedStateChanged(null, position, id,
+ !mNotesListAdapter.isSelectedItem(position));
+ }
+ return;
+ }
+
+ // 根据状态处理点击
+ switch (mState) {
+ case NOTE_LIST:
+ if (item.getType() == Notes.TYPE_FOLDER
+ || item.getType() == Notes.TYPE_SYSTEM) {
+ openFolder(item);
+ } else if (item.getType() == Notes.TYPE_NOTE) {
+ openNode(item);
+ } else {
+ Log.e(TAG, "Wrong note type in NOTE_LIST");
+ }
+ break;
+ case SUB_FOLDER:
+ case CALL_RECORD_FOLDER:
+ if (item.getType() == Notes.TYPE_NOTE) {
+ openNode(item);
+ } else {
+ Log.e(TAG, "Wrong note type in SUB_FOLDER");
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ }
+
+ // ======================= 查询目标文件夹 =======================
+
+ /**
+ * 开始查询目标文件夹
+ * 用于移动操作
+ */
+ private void startQueryDestinationFolders() {
+ String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
+ selection = (mState == ListEditState.NOTE_LIST) ? selection:
+ "(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")";
+
+ mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN,
+ null,
+ Notes.CONTENT_NOTE_URI,
+ FoldersListAdapter.PROJECTION,
+ selection,
+ new String[] {
+ String.valueOf(Notes.TYPE_FOLDER),
+ String.valueOf(Notes.ID_TRASH_FOLER),
+ String.valueOf(mCurrentFolderId)
+ },
+ NoteColumns.MODIFIED_DATE + " DESC");
+ }
+
+ // ======================= 列表项长按监听 =======================
+
+ /**
+ * onItemLongClick - 列表项长按处理
+ * 实现OnItemLongClickListener接口
+ */
+ public boolean onItemLongClick(AdapterView> parent, View view, int position, long id) {
+ if (view instanceof NotesListItem) {
+ mFocusNoteDataItem = ((NotesListItem) view).getItemData();
+
+ if (mFocusNoteDataItem.getType() == Notes.TYPE_NOTE) {
+ // 便签长按:显示上下文菜单
+ mNotesListView.setOnCreateContextMenuListener(mNoteOnCreateContextMenuListener);
+ } else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) {
+ // 文件夹长按:显示上下文菜单
+ mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener);
+ }
+ }
+ return false;
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/ui/NotesListAdapter.java b/java/net/micode/notes/ui/NotesListAdapter.java
new file mode 100644
index 0000000..f9e6342
--- /dev/null
+++ b/java/net/micode/notes/ui/NotesListAdapter.java
@@ -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.
+ */
+
+// NotesListAdapter.java - 便签列表适配器
+// 主要功能:为便签列表提供数据适配,支持多选模式和选中状态管理
+package net.micode.notes.ui;
+
+// ======================= 导入区域 =======================
+// Android基础
+import android.content.Context; // 上下文
+import android.database.Cursor; // 数据库查询结果游标
+import android.util.Log; // 日志工具
+// Android视图
+import android.view.View; // 视图基类
+import android.view.ViewGroup; // 视图容器
+// Android适配器
+import android.widget.CursorAdapter; // 游标适配器基类
+
+// 应用数据模型
+import net.micode.notes.data.Notes; // Notes主类
+
+// Java集合
+import java.util.Collection; // 集合接口
+import java.util.HashMap; // 哈希映射
+import java.util.HashSet; // 哈希集合
+import java.util.Iterator; // 迭代器
+
+// ======================= 便签列表适配器 =======================
+/**
+ * NotesListAdapter - 便签列表适配器
+ * 继承自CursorAdapter,用于在ListView中显示便签和文件夹列表
+ * 核心功能:
+ * 1. 便签列表数据绑定
+ * 2. 多选模式支持
+ * 3. 选中状态管理
+ * 4. 小部件关联管理
+ */
+public class NotesListAdapter extends CursorAdapter {
+
+ // ======================= 常量定义 =======================
+
+ private static final String TAG = "NotesListAdapter"; // 日志标签
+
+ // ======================= 成员变量 =======================
+
+ /** 上下文 */
+ private Context mContext;
+
+ /** 选中索引映射 - 存储列表位置与选中状态的映射 */
+ private HashMap mSelectedIndex;
+
+ /** 便签总数 - 不包括文件夹,用于全选判断 */
+ private int mNotesCount;
+
+ /** 选择模式标志 - true: 多选模式; false: 普通模式 */
+ private boolean mChoiceMode;
+
+ // ======================= 小部件属性内部类 =======================
+
+ /**
+ * AppWidgetAttribute - 应用小部件属性内部类
+ * 用于存储便签关联的小部件信息
+ */
+ public static class AppWidgetAttribute {
+ public int widgetId; // 小部件ID
+ public int widgetType; // 小部件类型
+ };
+
+ // ======================= 构造函数 =======================
+
+ /**
+ * 构造函数
+ * 初始化适配器
+ * @param context 上下文
+ */
+ public NotesListAdapter(Context context) {
+ super(context, null); // 初始游标为null
+ mSelectedIndex = new HashMap();
+ mContext = context;
+ mNotesCount = 0; // 初始便签数为0
+ }
+
+ // ======================= 适配器核心方法 =======================
+
+ /**
+ * 创建新视图
+ * 当ListView需要新的列表项视图时调用
+ * @param context 上下文
+ * @param cursor 当前位置的数据库游标
+ * @param parent 父视图容器(ListView)
+ * @return 新创建的NotesListItem视图
+ */
+ @Override
+ public View newView(Context context, Cursor cursor, ViewGroup parent) {
+ return new NotesListItem(context);
+ }
+
+ /**
+ * 绑定数据到视图
+ * 将指定位置的数据库数据绑定到列表项视图
+ * @param view 要绑定数据的视图
+ * @param context 上下文
+ * @param cursor 当前位置的数据库游标
+ */
+ @Override
+ public void bindView(View view, Context context, Cursor cursor) {
+ if (view instanceof NotesListItem) {
+ // 创建便签数据项
+ NoteItemData itemData = new NoteItemData(context, cursor);
+ // 绑定数据到列表项
+ ((NotesListItem) view).bind(context, itemData, mChoiceMode,
+ isSelectedItem(cursor.getPosition()));
+ }
+ }
+
+ // ======================= 选择模式管理 =======================
+
+ /**
+ * 设置项选中状态
+ * 在多选模式下标记或取消标记项
+ * @param position 列表位置
+ * @param checked 选中状态(true: 选中; false: 取消选中)
+ */
+ public void setCheckedItem(final int position, final boolean checked) {
+ mSelectedIndex.put(position, checked);
+ notifyDataSetChanged(); // 通知视图更新
+ }
+
+ /**
+ * 是否在选择模式中
+ * @return true: 在多选模式中; false: 在普通模式中
+ */
+ public boolean isInChoiceMode() {
+ return mChoiceMode;
+ }
+
+ /**
+ * 设置选择模式
+ * 进入或退出多选模式
+ * @param mode 模式标志(true: 进入多选模式; false: 退出多选模式)
+ */
+ public void setChoiceMode(boolean mode) {
+ mSelectedIndex.clear(); // 清除所有选中状态
+ mChoiceMode = mode;
+ }
+
+ /**
+ * 全选/取消全选
+ * 选择或取消选择所有便签(不包括文件夹)
+ * @param checked 全选状态(true: 全选; false: 取消全选)
+ */
+ public void selectAll(boolean checked) {
+ Cursor cursor = getCursor();
+ for (int i = 0; i < getCount(); i++) {
+ if (cursor.moveToPosition(i)) {
+ // 只选择便签类型,不选择文件夹
+ if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) {
+ setCheckedItem(i, checked);
+ }
+ }
+ }
+ }
+
+ // ======================= 选中项ID获取 =======================
+
+ /**
+ * 获取选中项的ID集合
+ * 用于批量操作(删除、移动等)
+ * @return 选中项的ID集合
+ */
+ public HashSet getSelectedItemIds() {
+ HashSet itemSet = new HashSet();
+ for (Integer position : mSelectedIndex.keySet()) {
+ if (mSelectedIndex.get(position) == true) {
+ Long id = getItemId(position);
+ // 安全检查:排除根文件夹
+ if (id == Notes.ID_ROOT_FOLDER) {
+ Log.d(TAG, "Wrong item id, should not happen");
+ } else {
+ itemSet.add(id);
+ }
+ }
+ }
+ return itemSet;
+ }
+
+ // ======================= 选中项小部件获取 =======================
+
+ /**
+ * 获取选中项的小部件属性集合
+ * 用于批量操作后更新关联的小部件
+ * @return 小部件属性集合
+ */
+ public HashSet getSelectedWidget() {
+ HashSet itemSet = new HashSet();
+ 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);
+ /**
+ * 注意:不要在此处关闭游标
+ * 只有适配器可以关闭游标
+ */
+ } else {
+ Log.e(TAG, "Invalid cursor");
+ return null;
+ }
+ }
+ }
+ return itemSet;
+ }
+
+ // ======================= 选中计数 =======================
+
+ /**
+ * 获取选中项数量
+ * @return 选中项的数量
+ */
+ public int getSelectedCount() {
+ Collection values = mSelectedIndex.values();
+ if (null == values) {
+ return 0;
+ }
+ Iterator iter = values.iterator();
+ int count = 0;
+ while (iter.hasNext()) {
+ if (true == iter.next()) {
+ count++;
+ }
+ }
+ return count;
+ }
+
+ /**
+ * 是否全选
+ * 判断所有便签是否都被选中
+ * @return true: 所有便签都被选中; false: 有便签未选中
+ */
+ public boolean isAllSelected() {
+ int checkedCount = getSelectedCount();
+ return (checkedCount != 0 && checkedCount == mNotesCount);
+ }
+
+ /**
+ * 判断指定位置项是否被选中
+ * @param position 列表位置
+ * @return true: 被选中; false: 未选中
+ */
+ public boolean isSelectedItem(final int position) {
+ if (null == mSelectedIndex.get(position)) {
+ return false;
+ }
+ return mSelectedIndex.get(position);
+ }
+
+ // ======================= 数据变化处理 =======================
+
+ /**
+ * 内容变化回调
+ * 当数据变化时重新计算便签数量
+ */
+ @Override
+ protected void onContentChanged() {
+ super.onContentChanged();
+ calcNotesCount(); // 重新计算便签数
+ }
+
+ /**
+ * 切换游标
+ * 切换数据源时重新计算便签数量
+ * @param cursor 新游标
+ */
+ @Override
+ public void changeCursor(Cursor cursor) {
+ super.changeCursor(cursor);
+ calcNotesCount(); // 重新计算便签数
+ }
+
+ // ======================= 便签数量计算 =======================
+
+ /**
+ * 计算便签数量
+ * 遍历游标,统计TYPE_NOTE类型的数量
+ */
+ private void calcNotesCount() {
+ mNotesCount = 0; // 重置计数
+ for (int i = 0; i < getCount(); i++) {
+ Cursor c = (Cursor) getItem(i);
+ if (c != null) {
+ // 只统计便签类型,不统计文件夹
+ if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) {
+ mNotesCount++;
+ }
+ } else {
+ Log.e(TAG, "Invalid cursor");
+ return;
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/ui/NotesListItem.java b/java/net/micode/notes/ui/NotesListItem.java
new file mode 100644
index 0000000..ab1ba72
--- /dev/null
+++ b/java/net/micode/notes/ui/NotesListItem.java
@@ -0,0 +1,277 @@
+/*
+ * 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.
+ */
+
+// NotesListItem.java - 便签列表项自定义视图
+// 主要功能:显示便签或文件夹列表项的完整视图,包括图标、文本、时间等
+package net.micode.notes.ui;
+
+// ======================= 导入区域 =======================
+// Android基础
+import android.content.Context; // 上下文
+import android.text.format.DateUtils; // 日期工具,用于相对时间显示
+// Android视图
+import android.view.View; // 视图基类
+// Android控件
+import android.widget.CheckBox; // 复选框
+import android.widget.ImageView; // 图片视图
+import android.widget.LinearLayout; // 线性布局容器
+import android.widget.TextView; // 文本视图
+
+// 应用内部资源
+import net.micode.notes.R; // 资源文件R类
+// 应用数据模型
+import net.micode.notes.data.Notes; // Notes主类
+// 应用工具
+import net.micode.notes.tool.DataUtils; // 数据工具
+// 应用资源解析
+import net.micode.notes.tool.ResourceParser.NoteItemBgResources; // 列表项背景资源
+
+// ======================= 便签列表项视图 =======================
+/**
+ * NotesListItem - 便签列表项自定义视图
+ * 继承自LinearLayout,表示便签列表中的单个项
+ * 功能:显示便签/文件夹的完整信息,包括标题、时间、图标、背景等
+ * 职责:数据绑定、视图更新、背景选择
+ */
+public class NotesListItem extends LinearLayout {
+
+ // ======================= 成员变量 =======================
+
+ /** 提醒图标 - 显示便签是否有提醒 */
+ private ImageView mAlert;
+
+ /** 置顶图标 - 显示便签是否置顶 */
+ private ImageView mPinned;
+
+ /** 标题文本 - 显示便签摘要或文件夹名称 */
+ private TextView mTitle;
+
+ /** 时间文本 - 显示修改时间(相对时间) */
+ private TextView mTime;
+
+ /** 联系人姓名文本 - 通话记录专用,显示联系人姓名 */
+ private TextView mCallName;
+
+ /** 便签数据项 - 当前项绑定的数据 */
+ private NoteItemData mItemData;
+
+ /** 复选框 - 多选模式下显示,用于选择操作 */
+ private CheckBox mCheckBox;
+
+ // ======================= 构造函数 =======================
+
+ /**
+ * 构造函数
+ * 初始化列表项视图,加载布局并查找子视图
+ * @param context 上下文
+ */
+ public NotesListItem(Context context) {
+ super(context);
+ // 1. 加载布局文件
+ // R.layout.note_item: 列表项布局
+ // 第三个参数true: 将布局添加到当前LinearLayout
+ inflate(context, R.layout.note_item, this);
+
+ // 2. 查找并保存子视图引用
+ mAlert = (ImageView) findViewById(R.id.iv_alert_icon);
+ mPinned = (ImageView) findViewById(R.id.iv_pinned_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);
+ }
+
+ // ======================= 数据绑定方法 =======================
+
+ /**
+ * 绑定数据到视图
+ * 根据便签数据类型和状态更新所有UI元素
+ * 绑定流程:
+ * 1. 处理选择模式复选框
+ * 2. 根据便签类型设置不同显示
+ * 3. 更新标题、时间、图标
+ * 4. 设置合适的背景
+ *
+ * @param context 上下文,用于获取资源和字符串
+ * @param data 便签数据项
+ * @param choiceMode 是否在选择模式中
+ * @param checked 该项是否被选中
+ */
+ public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
+ // 1. 处理选择模式复选框
+ if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
+ // 选择模式且是便签类型:显示复选框
+ mCheckBox.setVisibility(View.VISIBLE);
+ mCheckBox.setChecked(checked);
+ } else {
+ // 非选择模式或非便签类型:隐藏复选框
+ mCheckBox.setVisibility(View.GONE);
+ }
+
+ // 保存数据引用
+ mItemData = data;
+
+ // 2. 根据便签类型设置不同显示
+ if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
+ // 情况1:通话记录文件夹
+ bindCallRecordFolder(context, data);
+ } else if (data.getParentId() == Notes.ID_CALL_RECORD_FOLDER) {
+ // 情况2:通话记录文件夹中的便签
+ bindCallRecordNote(context, data);
+ } else {
+ // 情况3:普通文件夹或便签
+ bindNormalItem(context, data);
+ }
+
+ // 3. 更新时间显示(所有类型都显示)
+ mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
+
+ // 4. 设置背景
+ setBackground(data);
+ }
+
+ // ======================= 通话记录文件夹绑定 =======================
+
+ /**
+ * 绑定通话记录文件夹
+ * 特殊显示:文件夹图标 + 便签数量
+ * @param context 上下文
+ * @param data 文件夹数据
+ */
+ private void bindCallRecordFolder(Context context, NoteItemData data) {
+ // 隐藏联系人姓名
+ mCallName.setVisibility(View.GONE);
+ // 显示提醒图标(文件夹图标)
+ mAlert.setVisibility(View.VISIBLE);
+ // 设置主标题样式
+ mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
+ // 设置标题文本:文件夹名称 + 文件数量
+ mTitle.setText(context.getString(R.string.call_record_folder_name)
+ + context.getString(R.string.format_folder_files_count, data.getNotesCount()));
+ // 设置文件夹图标
+ mAlert.setImageResource(R.drawable.call_record);
+ }
+
+ // ======================= 通话记录便签绑定 =======================
+
+ /**
+ * 绑定通话记录便签
+ * 特殊显示:联系人姓名 + 提醒图标
+ * @param context 上下文
+ * @param data 便签数据
+ */
+ private void bindCallRecordNote(Context context, NoteItemData data) {
+ // 显示联系人姓名
+ mCallName.setVisibility(View.VISIBLE);
+ mCallName.setText(data.getCallName());
+ // 设置副标题样式
+ mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem);
+ // 设置标题文本(格式化摘要)
+ mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
+ // 根据是否有提醒设置图标
+ if (data.hasAlert()) {
+ mAlert.setImageResource(R.drawable.clock);
+ mAlert.setVisibility(View.VISIBLE);
+ } else {
+ mAlert.setVisibility(View.GONE);
+ }
+ }
+
+ // ======================= 普通项绑定 =======================
+
+ /**
+ * 绑定普通文件夹或便签
+ * 通用显示逻辑
+ * @param context 上下文
+ * @param data 便签/文件夹数据
+ */
+ private void bindNormalItem(Context context, NoteItemData data) {
+ // 隐藏联系人姓名
+ mCallName.setVisibility(View.GONE);
+ // 设置主标题样式
+ mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
+
+ if (data.getType() == Notes.TYPE_FOLDER) {
+ // 文件夹:显示名称 + 文件数量
+ mTitle.setText(data.getSnippet()
+ + context.getString(R.string.format_folder_files_count,
+ data.getNotesCount()));
+ mAlert.setVisibility(View.GONE); // 文件夹不显示提醒图标
+ } else {
+ // 普通便签:显示格式化摘要
+ mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
+ // 根据是否有提醒设置图标
+ if (data.hasAlert()) {
+ mAlert.setImageResource(R.drawable.clock);
+ mAlert.setVisibility(View.VISIBLE);
+ } else {
+ mAlert.setVisibility(View.GONE);
+ }
+ // 根据是否置顶设置置顶图标
+ if (data.isPinned()) {
+ mPinned.setVisibility(View.VISIBLE);
+ } else {
+ mPinned.setVisibility(View.GONE);
+ }
+ }
+ }
+
+ // ======================= 背景设置 =======================
+
+ /**
+ * 设置列表项背景
+ * 根据便签类型和位置选择不同的背景图片
+ * 背景选择规则:
+ * 1. 便签:根据位置选择不同背景(首项、中间项、末项、单独项)
+ * 2. 文件夹:统一使用文件夹背景
+ *
+ * @param data 便签数据项
+ */
+ private void setBackground(NoteItemData data) {
+ int id = data.getBgColorId(); // 获取背景颜色ID
+
+ if (data.getType() == Notes.TYPE_NOTE) {
+ // 便签类型:根据位置选择背景
+ if (data.isSingle() || data.isOneFollowingFolder()) {
+ // 单独项或文件夹后的唯一便签:单独项背景
+ setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));
+ } else if (data.isLast()) {
+ // 最后一项:底部圆角背景
+ setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id));
+ } else if (data.isFirst() || data.isMultiFollowingFolder()) {
+ // 第一项或文件夹后的多个便签之一:顶部圆角背景
+ setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id));
+ } else {
+ // 中间项:普通直角背景
+ setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
+ }
+ } else {
+ // 文件夹类型:统一使用文件夹背景
+ setBackgroundResource(NoteItemBgResources.getFolderBgRes());
+ }
+ }
+
+ // ======================= 数据获取方法 =======================
+
+ /**
+ * 获取便签数据项
+ * 用于获取当前视图绑定的数据
+ * @return 便签数据项
+ */
+ public NoteItemData getItemData() {
+ return mItemData;
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/ui/NotesPreferenceActivity.java b/java/net/micode/notes/ui/NotesPreferenceActivity.java
new file mode 100644
index 0000000..48373b2
--- /dev/null
+++ b/java/net/micode/notes/ui/NotesPreferenceActivity.java
@@ -0,0 +1,584 @@
+/*
+ * 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.
+ */
+
+// NotesPreferenceActivity.java - 便签设置Activity
+// 主要功能:管理应用的偏好设置,特别是Google Tasks同步账户管理
+package net.micode.notes.ui;
+
+// ======================= 导入区域 =======================
+// Android账户管理
+import android.accounts.Account; // 账户对象
+import android.accounts.AccountManager; // 账户管理器
+// Android界面
+import android.app.ActionBar; // 操作栏
+import android.app.AlertDialog; // 警告对话框
+// Android广播
+import android.content.BroadcastReceiver; // 广播接收器
+// Android数据
+import android.content.ContentValues; // 内容值
+// Android基础
+import android.content.Context; // 上下文
+import android.content.DialogInterface; // 对话框接口
+import android.content.Intent; // 意图
+import android.content.IntentFilter; // 意图过滤器
+import android.content.SharedPreferences; // 偏好设置
+import android.os.Bundle; // 状态保存
+// Android偏好设置
+import android.preference.Preference; // 偏好设置项
+import android.preference.Preference.OnPreferenceClickListener; // 偏好设置点击监听
+import android.preference.PreferenceActivity; // 偏好设置Activity基类
+import android.preference.PreferenceCategory; // 偏好设置分类
+import android.preference.PreferenceManager; // 偏好设置管理器
+// Android工具
+import android.text.TextUtils; // 文本工具
+import android.text.format.DateFormat; // 日期格式化
+// Android视图
+import android.view.LayoutInflater; // 布局加载器
+import android.view.Menu; // 菜单
+import android.view.MenuItem; // 菜单项
+import android.view.View; // 视图基类
+import android.widget.ListView; // 列表视图
+// Android控件
+import android.widget.Button; // 按钮
+import android.widget.TextView; // 文本视图
+import android.widget.Toast; // 提示信息
+
+// 应用内部资源
+import net.micode.notes.R; // 资源文件R类
+// 应用数据模型
+import net.micode.notes.data.Notes; // Notes主类
+import net.micode.notes.data.Notes.NoteColumns; // 便签表列定义
+// 应用同步服务
+import net.micode.notes.gtask.remote.GTaskSyncService; // Google任务同步服务
+// 应用工具
+import net.micode.notes.tool.SearchHistoryManager; // 搜索历史管理器
+
+// ======================= 便签设置Activity =======================
+/**
+ * NotesPreferenceActivity - 便签设置Activity
+ * 继承自PreferenceActivity,管理应用的所有偏好设置
+ * 核心功能:Google Tasks同步账户管理、同步控制、设置管理
+ */
+public class NotesPreferenceActivity extends PreferenceActivity {
+
+ // ======================= 偏好设置常量 =======================
+
+ /** 偏好设置文件名 */
+ public static final String PREFERENCE_NAME = "notes_preferences";
+
+ /** 同步账户名称偏好键 - 存储当前设置的同步账户名 */
+ public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";
+
+ /** 最后同步时间偏好键 - 存储上次成功同步的时间戳 */
+ public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";
+
+ /** 背景颜色随机显示偏好键 - 控制是否随机显示背景颜色 */
+ public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear";
+
+ /** 同步账户偏好键 - 用于XML中定义账户设置分类 */
+ private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";
+
+ /** 权限过滤器键 - 用于添加账户时过滤账户类型 */
+ private static final String AUTHORITIES_FILTER_KEY = "authorities";
+
+ // ======================= 成员变量 =======================
+
+ /** 账户设置分类 - 显示账户相关设置 */
+ private PreferenceCategory mAccountCategory;
+
+ /** Google Tasks同步广播接收器 - 监听同步状态变化 */
+ private GTaskReceiver mReceiver;
+
+ /** 原始账户列表 - 用于检测新添加的账户 */
+ private Account[] mOriAccounts;
+
+ /** 是否添加了新账户标志 - 标记用户是否添加了新账户 */
+ private boolean mHasAddedAccount;
+
+ // ======================= 生命周期方法 =======================
+
+ /**
+ * onCreate - Activity创建
+ * 初始化设置界面
+ * @param icicle 保存的状态
+ */
+ @Override
+ protected void onCreate(Bundle icicle) {
+ super.onCreate(icicle);
+ // 从XML加载偏好设置
+ addPreferencesFromResource(R.xml.preferences);
+
+ // 获取账户设置分类
+ mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);
+
+ // 设置清除搜索历史按钮的点击事件
+ Preference clearSearchHistoryPref = findPreference("pref_key_clear_search_history");
+ if (clearSearchHistoryPref != null) {
+ clearSearchHistoryPref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
+ public boolean onPreferenceClick(Preference preference) {
+ // 清除搜索历史
+ SearchHistoryManager.getInstance(NotesPreferenceActivity.this).clearSearchHistory();
+ Toast.makeText(NotesPreferenceActivity.this,
+ "Search history cleared", Toast.LENGTH_SHORT).show();
+ return true;
+ }
+ });
+ }
+ // 创建并注册同步广播接收器
+ mReceiver = new GTaskReceiver();
+ IntentFilter filter = new IntentFilter();
+ filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);
+ registerReceiver(mReceiver, filter);
+
+ mOriAccounts = null; // 初始化原始账户列表
+ // 添加设置界面头部
+ View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null);
+ ListView listView = getListView();
+ if (listView != null) {
+ listView.addHeaderView(header, null, true);
+ }
+
+ /* 使用应用图标作为导航按钮 */
+ ActionBar actionBar = getActionBar();
+ if (actionBar != null) {
+ actionBar.setDisplayHomeAsUpEnabled(true);
+ }
+ }
+
+ /**
+ * onResume - Activity恢复可见
+ * 检测新添加的账户并自动设置
+ */
+ @Override
+ protected void onResume() {
+ super.onResume();
+
+ // 如果用户添加了新账户,需要自动设置为同步账户
+ if (mHasAddedAccount) {
+ Account[] accounts = getGoogleAccounts();
+ // 比较新旧账户数量,检测新账户
+ if (mOriAccounts != null && accounts.length > mOriAccounts.length) {
+ for (Account accountNew : accounts) {
+ boolean found = false;
+ for (Account accountOld : mOriAccounts) {
+ if (TextUtils.equals(accountOld.name, accountNew.name)) {
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ // 找到新账户,设置为同步账户
+ setSyncAccount(accountNew.name);
+ break;
+ }
+ }
+ }
+ }
+
+ refreshUI(); // 刷新界面
+ }
+
+ /**
+ * onDestroy - Activity销毁
+ * 注销广播接收器
+ */
+ @Override
+ protected void onDestroy() {
+ if (mReceiver != null) {
+ unregisterReceiver(mReceiver);
+ }
+ super.onDestroy();
+ }
+
+ // ======================= 账户偏好设置加载 =======================
+
+ /**
+ * 加载账户偏好设置
+ * 动态创建账户设置项
+ */
+ private void loadAccountPreference() {
+ mAccountCategory.removeAll(); // 清空现有设置项
+
+ // 创建账户设置项
+ Preference accountPref = new Preference(this);
+ final String defaultAccount = getSyncAccountName(this);
+ accountPref.setTitle(getString(R.string.preferences_account_title));
+ accountPref.setSummary(getString(R.string.preferences_account_summary));
+ accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
+ public boolean onPreferenceClick(Preference preference) {
+ if (!GTaskSyncService.isSyncing()) {
+ if (TextUtils.isEmpty(defaultAccount)) {
+ // 首次设置账户:显示选择账户对话框
+ showSelectAccountAlertDialog();
+ } else {
+ // 已设置账户:显示更改账户确认对话框
+ showChangeAccountConfirmAlertDialog();
+ }
+ } else {
+ // 同步进行中,不能更改账户
+ Toast.makeText(NotesPreferenceActivity.this,
+ R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT)
+ .show();
+ }
+ return true;
+ }
+ });
+
+ mAccountCategory.addPreference(accountPref);
+ }
+
+ // ======================= 同步按钮加载 =======================
+
+ /**
+ * 加载同步按钮
+ * 根据同步状态设置按钮文本和点击事件
+ */
+ private void loadSyncButton() {
+ 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()) {
+ // 同步中:显示取消按钮
+ syncButton.setText(getString(R.string.preferences_button_sync_cancel));
+ syncButton.setOnClickListener(new View.OnClickListener() {
+ public void onClick(View v) {
+ GTaskSyncService.cancelSync(NotesPreferenceActivity.this);
+ }
+ });
+ } else {
+ // 未同步:显示立即同步按钮
+ syncButton.setText(getString(R.string.preferences_button_sync_immediately));
+ syncButton.setOnClickListener(new View.OnClickListener() {
+ public void onClick(View v) {
+ GTaskSyncService.startSync(NotesPreferenceActivity.this);
+ }
+ });
+ }
+ // 有账户时启用按钮,无账户时禁用
+ syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));
+
+ // 设置最后同步时间
+ if (GTaskSyncService.isSyncing()) {
+ // 同步中:显示同步进度
+ lastSyncTimeView.setText(GTaskSyncService.getProgressString());
+ lastSyncTimeView.setVisibility(View.VISIBLE);
+ } else {
+ // 未同步: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 {
+ // 从未同步:隐藏时间显示
+ lastSyncTimeView.setVisibility(View.GONE);
+ }
+ }
+ }
+
+ // ======================= 界面刷新 =======================
+
+ /**
+ * 刷新界面
+ * 重新加载账户设置和同步按钮
+ */
+ private void refreshUI() {
+ loadAccountPreference();
+ loadSyncButton();
+ }
+
+ // ======================= 选择账户对话框 =======================
+
+ /**
+ * 显示选择账户对话框
+ * 首次设置账户时调用
+ */
+ private void showSelectAccountAlertDialog() {
+ AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
+
+ // 自定义标题视图
+ View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
+ TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
+ titleTextView.setText(getString(R.string.preferences_dialog_select_account_title));
+ TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
+ subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips));
+
+ dialogBuilder.setCustomTitle(titleView);
+ dialogBuilder.setPositiveButton(null, null); // 不显示确定按钮
+
+ // 获取Google账户列表
+ Account[] accounts = getGoogleAccounts();
+ String defAccount = getSyncAccountName(this);
+
+ // 保存原始账户列表,用于检测新账户
+ mOriAccounts = accounts;
+ mHasAddedAccount = false;
+
+ if (accounts.length > 0) {
+ // 创建账户列表项
+ CharSequence[] items = new CharSequence[accounts.length];
+ final CharSequence[] itemMapping = items; // 用于内部类访问
+ int checkedItem = -1; // 默认未选中
+
+ // 填充账户列表
+ int index = 0;
+ for (Account account : accounts) {
+ if (TextUtils.equals(account.name, defAccount)) {
+ checkedItem = index; // 选中已设置的账户
+ }
+ items[index++] = account.name;
+ }
+
+ // 设置单选列表
+ dialogBuilder.setSingleChoiceItems(items, checkedItem,
+ new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int which) {
+ // 选择账户
+ setSyncAccount(itemMapping[which].toString());
+ dialog.dismiss();
+ refreshUI(); // 刷新界面
+ }
+ });
+ }
+
+ // 添加"添加账户"视图
+ View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);
+ dialogBuilder.setView(addAccountView);
+
+ // 显示对话框
+ final AlertDialog dialog = dialogBuilder.show();
+ addAccountView.setOnClickListener(new View.OnClickListener() {
+ public void onClick(View v) {
+ mHasAddedAccount = true; // 标记为添加账户
+ // 启动系统添加账户界面
+ Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
+ // 只显示Gmail账户类型
+ intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] {
+ "gmail-ls"
+ });
+ startActivityForResult(intent, -1);
+ dialog.dismiss();
+ }
+ });
+ }
+
+ // ======================= 更改账户确认对话框 =======================
+
+ /**
+ * 显示更改账户确认对话框
+ * 已设置账户时点击账户项调用
+ */
+ private void showChangeAccountConfirmAlertDialog() {
+ AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
+
+ // 自定义标题视图
+ View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
+ TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
+ // 标题包含当前账户名
+ 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);
+
+ // 设置菜单项
+ CharSequence[] menuItemArray = new CharSequence[] {
+ getString(R.string.preferences_menu_change_account), // 更改账户
+ getString(R.string.preferences_menu_remove_account), // 移除账户
+ getString(R.string.preferences_menu_cancel) // 取消
+ };
+ dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int which) {
+ if (which == 0) {
+ // 更改账户:显示选择账户对话框
+ showSelectAccountAlertDialog();
+ } else if (which == 1) {
+ // 移除账户:清除账户设置
+ removeSyncAccount();
+ refreshUI();
+ }
+ // 取消:不执行任何操作
+ }
+ });
+ dialogBuilder.show();
+ }
+
+ // ======================= 获取Google账户 =======================
+
+ /**
+ * 获取设备上的Google账户
+ * @return Google账户数组
+ */
+ private Account[] getGoogleAccounts() {
+ AccountManager accountManager = AccountManager.get(this);
+ // 获取类型为"com.google"的账户(Google账户)
+ return accountManager.getAccountsByType("com.google");
+ }
+
+ // ======================= 设置同步账户 =======================
+
+ /**
+ * 设置同步账户
+ * 保存账户名到偏好设置,并清理同步相关数据
+ * @param account 账户名
+ */
+ private void setSyncAccount(String account) {
+ if (!getSyncAccountName(this).equals(account)) {
+ // 保存到偏好设置
+ 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();
+
+ // 清理最后同步时间
+ setLastSyncTime(this, 0);
+
+ // 清理本地同步相关数据(在后台线程执行)
+ new Thread(new Runnable() {
+ public void run() {
+ ContentValues values = new ContentValues();
+ values.put(NoteColumns.GTASK_ID, ""); // 清空GTASK ID
+ values.put(NoteColumns.SYNC_ID, 0); // 清空同步ID
+ getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
+ }
+ }).start();
+
+ // 显示成功提示
+ Toast.makeText(NotesPreferenceActivity.this,
+ getString(R.string.preferences_toast_success_set_accout, account),
+ Toast.LENGTH_SHORT).show();
+ }
+ }
+
+ // ======================= 移除同步账户 =======================
+
+ /**
+ * 移除同步账户
+ * 清除账户设置和同步数据
+ */
+ private void removeSyncAccount() {
+ SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
+ SharedPreferences.Editor editor = settings.edit();
+ // 移除账户名
+ if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
+ editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME);
+ }
+ // 移除最后同步时间
+ if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) {
+ editor.remove(PREFERENCE_LAST_SYNC_TIME);
+ }
+ editor.commit();
+
+ // 清理本地同步相关数据(在后台线程执行)
+ new Thread(new Runnable() {
+ public void run() {
+ ContentValues values = new ContentValues();
+ values.put(NoteColumns.GTASK_ID, ""); // 清空GTASK ID
+ values.put(NoteColumns.SYNC_ID, 0); // 清空同步ID
+ getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
+ }
+ }).start();
+ }
+
+ // ======================= 静态工具方法 =======================
+
+ /**
+ * 获取同步账户名
+ * 静态方法,供其他类调用
+ * @param context 上下文
+ * @return 同步账户名,无账户时返回空字符串
+ */
+ public static String getSyncAccountName(Context context) {
+ SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
+ Context.MODE_PRIVATE);
+ return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
+ }
+
+ /**
+ * 设置最后同步时间
+ * 静态方法,供其他类调用
+ * @param context 上下文
+ * @param time 最后同步时间戳
+ */
+ 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();
+ }
+
+ /**
+ * 获取最后同步时间
+ * 静态方法,供其他类调用
+ * @param context 上下文
+ * @return 最后同步时间戳,从未同步返回0
+ */
+ public static long getLastSyncTime(Context context) {
+ SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
+ Context.MODE_PRIVATE);
+ return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
+ }
+
+ // ======================= 同步广播接收器 =======================
+
+ /**
+ * GTaskReceiver - Google Tasks同步广播接收器
+ * 监听同步状态变化
+ */
+ private class GTaskReceiver extends BroadcastReceiver {
+ /**
+ * 接收广播
+ * 处理同步状态变化
+ */
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ refreshUI(); // 刷新界面
+
+ // 如果正在同步,更新进度信息
+ if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) {
+ TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
+ syncStatus.setText(intent
+ .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
+ }
+ }
+ }
+
+ // ======================= 菜单项处理 =======================
+
+ /**
+ * 选项菜单项选择处理
+ * 处理返回按钮点击
+ */
+ public boolean onOptionsItemSelected(MenuItem item) {
+ switch (item.getItemId()) {
+ case android.R.id.home:
+ // 返回按钮:回到主界面
+ Intent intent = new Intent(this, NotesListActivity.class);
+ intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+ startActivity(intent);
+ return true;
+ default:
+ return false;
+ }
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/widget/NoteWidgetProvider.java b/java/net/micode/notes/widget/NoteWidgetProvider.java
new file mode 100644
index 0000000..6078cd3
--- /dev/null
+++ b/java/net/micode/notes/widget/NoteWidgetProvider.java
@@ -0,0 +1,257 @@
+/*
+ * 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.
+ */
+
+// NoteWidgetProvider.java - 便签小部件提供者抽象基类
+// 主要功能:为便签小部件提供基础实现,包括数据加载、视图更新、点击处理
+package net.micode.notes.widget;
+
+// ======================= 导入区域 =======================
+// Android小部件
+import android.app.PendingIntent; // 待定意图
+import android.appwidget.AppWidgetManager; // 小部件管理器
+import android.appwidget.AppWidgetProvider; // 小部件提供者基类
+// Android数据
+import android.content.ContentValues; // 内容值
+import android.content.Context; // 上下文
+import android.content.Intent; // 意图
+import android.database.Cursor; // 数据库查询结果游标
+import android.util.Log; // 日志工具
+// Android小部件视图
+import android.widget.RemoteViews; // 远程视图
+
+// 应用内部资源
+import net.micode.notes.R; // 资源文件R类
+// 应用数据模型
+import net.micode.notes.data.Notes; // Notes主类
+import net.micode.notes.data.Notes.NoteColumns; // 便签表列定义
+// 应用资源解析
+import net.micode.notes.tool.ResourceParser; // 资源解析器
+// 应用界面
+import net.micode.notes.ui.NoteEditActivity; // 便签编辑Activity
+import net.micode.notes.ui.NotesListActivity; // 便签列表Activity
+
+// ======================= 便签小部件提供者抽象基类 =======================
+/**
+ * NoteWidgetProvider - 便签小部件提供者抽象基类
+ * 继承自AppWidgetProvider,为便签小部件提供通用基础功能
+ * 抽象类,具体小部件类型(2x、4x)需要实现抽象方法
+ * 核心功能:
+ * 1. 小部件数据加载和显示
+ * 2. 小部件点击事件处理
+ * 3. 小部件删除时数据清理
+ * 4. 隐私模式支持
+ */
+public abstract class NoteWidgetProvider extends AppWidgetProvider {
+
+ // ======================= 数据库查询配置 =======================
+
+ /**
+ * 查询投影数组 - 指定从数据库查询哪些字段
+ * 包含小部件显示所需的最小字段集
+ */
+ public static final String [] PROJECTION = new String [] {
+ NoteColumns.ID, // 0 - 便签ID
+ NoteColumns.BG_COLOR_ID, // 1 - 背景颜色ID
+ NoteColumns.SNIPPET // 2 - 便签摘要
+ };
+
+ // ======================= 字段索引常量 =======================
+
+ public static final int COLUMN_ID = 0; // ID字段索引
+ public static final int COLUMN_BG_COLOR_ID = 1; // 背景颜色字段索引
+ public static final int COLUMN_SNIPPET = 2; // 摘要字段索引
+
+ // ======================= 常量定义 =======================
+
+ private static final String TAG = "NoteWidgetProvider"; // 日志标签
+
+ // ======================= 小部件生命周期方法 =======================
+
+ /**
+ * 小部件删除回调
+ * 当用户从小部件列表中删除小部件时调用
+ * 功能:清理数据库中与该小部件关联的便签的小部件ID
+ *
+ * @param context 上下文
+ * @param appWidgetIds 被删除的小部件ID数组
+ */
+ @Override
+ public void onDeleted(Context context, int[] appWidgetIds) {
+ // 创建内容值,用于更新数据库
+ ContentValues values = new ContentValues();
+ // 将小部件ID设置为无效值
+ values.put(NoteColumns.WIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
+
+ // 遍历所有被删除的小部件
+ for (int i = 0; i < appWidgetIds.length; i++) {
+ // 更新数据库,清理关联的小部件ID
+ context.getContentResolver().update(Notes.CONTENT_NOTE_URI,
+ values,
+ NoteColumns.WIDGET_ID + "=?", // 条件:小部件ID匹配
+ new String[] { String.valueOf(appWidgetIds[i])});
+ }
+ }
+
+ // ======================= 小部件信息查询 =======================
+
+ /**
+ * 获取便签小部件信息
+ * 根据小部件ID查询关联的便签信息
+ * 注意:排除回收站中的便签
+ *
+ * @param context 上下文
+ * @param widgetId 小部件ID
+ * @return 便签信息游标,包含ID、背景颜色、摘要
+ */
+ private Cursor getNoteWidgetInfo(Context context, int widgetId) {
+ return context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
+ PROJECTION,
+ // 条件:小部件ID匹配 且 不在回收站中
+ NoteColumns.WIDGET_ID + "=? AND " + NoteColumns.PARENT_ID + "<>?",
+ new String[] { String.valueOf(widgetId), String.valueOf(Notes.ID_TRASH_FOLER) },
+ null);
+ }
+
+ // ======================= 小部件更新方法 =======================
+
+ /**
+ * 更新小部件(公开方法)
+ * 默认使用非隐私模式更新
+ *
+ * @param context 上下文
+ * @param appWidgetManager 小部件管理器
+ * @param appWidgetIds 要更新的小部件ID数组
+ */
+ protected void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
+ update(context, appWidgetManager, appWidgetIds, false); // 默认非隐私模式
+ }
+
+ /**
+ * 更新小部件(私有方法)
+ * 实际执行小部件更新逻辑
+ * 更新流程:
+ * 1. 查询便签信息
+ * 2. 构建远程视图
+ * 3. 设置点击意图
+ * 4. 更新小部件
+ *
+ * @param context 上下文
+ * @param appWidgetManager 小部件管理器
+ * @param appWidgetIds 要更新的小部件ID数组
+ * @param privacyMode 是否处于隐私模式
+ * true: 隐私模式,显示"浏览中"文本
+ * false: 正常模式,显示便签内容
+ */
+ private void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds,
+ boolean privacyMode) {
+ // 遍历所有要更新的小部件
+ for (int i = 0; i < appWidgetIds.length; i++) {
+ if (appWidgetIds[i] != AppWidgetManager.INVALID_APPWIDGET_ID) {
+ int bgId = ResourceParser.getDefaultBgId(context); // 默认背景颜色
+ String snippet = ""; // 便签摘要
+
+ // 构建点击意图
+ Intent intent = new Intent(context, NoteEditActivity.class);
+ intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
+ intent.putExtra(Notes.INTENT_EXTRA_WIDGET_ID, appWidgetIds[i]);
+ intent.putExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, getWidgetType());
+
+ // 查询小部件关联的便签信息
+ Cursor c = getNoteWidgetInfo(context, appWidgetIds[i]);
+ if (c != null && c.moveToFirst()) {
+ // 安全检查:确保没有多个便签关联到同一小部件
+ if (c.getCount() > 1) {
+ Log.e(TAG, "Multiple message with same widget id:" + appWidgetIds[i]);
+ c.close();
+ return; // 数据异常,直接返回
+ }
+ // 从游标获取数据
+ snippet = c.getString(COLUMN_SNIPPET);
+ bgId = c.getInt(COLUMN_BG_COLOR_ID);
+ intent.putExtra(Intent.EXTRA_UID, c.getLong(COLUMN_ID)); // 便签ID
+ intent.setAction(Intent.ACTION_VIEW); // 查看模式
+ } else {
+ // 无关联便签:显示默认文本
+ snippet = context.getResources().getString(R.string.widget_havenot_content);
+ intent.setAction(Intent.ACTION_INSERT_OR_EDIT); // 创建/编辑模式
+ }
+
+ // 关闭游标
+ if (c != null) {
+ c.close();
+ }
+
+ // 创建远程视图
+ RemoteViews rv = new RemoteViews(context.getPackageName(), getLayoutId());
+ // 设置背景图片
+ rv.setImageViewResource(R.id.widget_bg_image, getBgResourceId(bgId));
+ intent.putExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, bgId);
+
+ /**
+ * 生成待定意图,用于启动小部件对应的Activity
+ */
+ PendingIntent pendingIntent = null;
+ if (privacyMode) {
+ // 隐私模式:显示"浏览中"文本,点击进入列表
+ rv.setTextViewText(R.id.widget_text,
+ context.getString(R.string.widget_under_visit_mode));
+ pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], new Intent(
+ context, NotesListActivity.class), PendingIntent.FLAG_UPDATE_CURRENT);
+ } else {
+ // 正常模式:显示便签内容,点击编辑便签
+ rv.setTextViewText(R.id.widget_text, snippet);
+ pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], intent,
+ PendingIntent.FLAG_UPDATE_CURRENT);
+ }
+
+ // 设置点击事件
+ rv.setOnClickPendingIntent(R.id.widget_text, pendingIntent);
+ // 更新小部件
+ appWidgetManager.updateAppWidget(appWidgetIds[i], rv);
+ }
+ }
+ }
+
+ // ======================= 抽象方法 =======================
+
+ /**
+ * 获取背景资源ID
+ * 将背景颜色ID映射到实际的Drawable资源ID
+ * 抽象方法,由具体子类实现
+ *
+ * @param bgId 背景颜色ID
+ * @return Drawable资源ID
+ */
+ protected abstract int getBgResourceId(int bgId);
+
+ /**
+ * 获取布局ID
+ * 返回小部件使用的布局资源ID
+ * 抽象方法,由具体子类实现
+ *
+ * @return 布局资源ID
+ */
+ protected abstract int getLayoutId();
+
+ /**
+ * 获取小部件类型
+ * 返回小部件的类型常量
+ * 抽象方法,由具体子类实现
+ *
+ * @return 小部件类型:TYPE_WIDGET_2X 或 TYPE_WIDGET_4X
+ */
+ protected abstract int getWidgetType();
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/widget/NoteWidgetProvider_2x.java b/java/net/micode/notes/widget/NoteWidgetProvider_2x.java
new file mode 100644
index 0000000..1e9c16a
--- /dev/null
+++ b/java/net/micode/notes/widget/NoteWidgetProvider_2x.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// NoteWidgetProvider_2x.java - 2x2便签小部件提供者
+// 主要功能:实现2x2尺寸便签小部件的具体逻辑
+package net.micode.notes.widget;
+
+// ======================= 导入区域 =======================
+// Android小部件
+import android.appwidget.AppWidgetManager; // 小部件管理器
+// Android基础
+import android.content.Context; // 上下文
+
+// 应用内部资源
+import net.micode.notes.R; // 资源文件R类
+// 应用数据模型
+import net.micode.notes.data.Notes; // Notes主类
+// 应用资源解析
+import net.micode.notes.tool.ResourceParser; // 资源解析器
+
+// ======================= 2x2便签小部件提供者 =======================
+/**
+ * NoteWidgetProvider_2x - 2x2便签小部件提供者
+ * 继承自NoteWidgetProvider抽象基类
+ * 功能:实现2x2尺寸便签小部件的具体逻辑
+ * 尺寸:2x2单元格(通常为2行2列)
+ * 布局:widget_2x.xml
+ */
+public class NoteWidgetProvider_2x extends NoteWidgetProvider {
+
+ // ======================= 小部件生命周期方法 =======================
+
+ /**
+ * 小部件更新回调
+ * 当小部件需要更新时调用,包括创建、定时更新、配置变更等
+ * 实现:调用父类的update()方法
+ *
+ * @param context 上下文
+ * @param appWidgetManager 小部件管理器
+ * @param appWidgetIds 需要更新的小部件ID数组
+ */
+ @Override
+ public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
+ // 调用父类的update()方法执行通用更新逻辑
+ super.update(context, appWidgetManager, appWidgetIds);
+ }
+
+ // ======================= 抽象方法实现 =======================
+
+ /**
+ * 获取布局ID
+ * 返回2x2小部件使用的布局资源ID
+ * 布局文件:R.layout.widget_2x
+ *
+ * @return 2x2小部件布局资源ID
+ */
+ @Override
+ protected int getLayoutId() {
+ return R.layout.widget_2x;
+ }
+
+ /**
+ * 获取背景资源ID
+ * 将背景颜色ID映射到2x2小部件的实际Drawable资源ID
+ * 通过ResourceParser.WidgetBgResources获取对应资源
+ *
+ * @param bgId 背景颜色ID
+ * @return 2x2小部件背景Drawable资源ID
+ */
+ @Override
+ protected int getBgResourceId(int bgId) {
+ return ResourceParser.WidgetBgResources.getWidget2xBgResource(bgId);
+ }
+
+ /**
+ * 获取小部件类型
+ * 返回2x2小部件的类型常量
+ * 类型常量定义在Notes类中
+ *
+ * @return 小部件类型:Notes.TYPE_WIDGET_2X
+ */
+ @Override
+ protected int getWidgetType() {
+ return Notes.TYPE_WIDGET_2X;
+ }
+}
\ No newline at end of file
diff --git a/java/net/micode/notes/widget/NoteWidgetProvider_4x.java b/java/net/micode/notes/widget/NoteWidgetProvider_4x.java
new file mode 100644
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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.
+ */
+
+// NoteWidgetProvider_4x.java - 4x4便签小部件提供者
+// 主要功能:实现4x4尺寸便签小部件的具体逻辑
+package net.micode.notes.widget;
+
+// ======================= 导入区域 =======================
+// Android小部件
+import android.appwidget.AppWidgetManager; // 小部件管理器
+// Android基础
+import android.content.Context; // 上下文
+
+// 应用内部资源
+import net.micode.notes.R; // 资源文件R类
+// 应用数据模型
+import net.micode.notes.data.Notes; // Notes主类
+// 应用资源解析
+import net.micode.notes.tool.ResourceParser; // 资源解析器
+
+// ======================= 4x4便签小部件提供者 =======================
+/**
+ * NoteWidgetProvider_4x - 4x4便签小部件提供者
+ * 继承自NoteWidgetProvider抽象基类
+ * 功能:实现4x4尺寸便签小部件的具体逻辑
+ * 尺寸:4x4单元格(通常为4行4列)
+ * 布局:widget_4x.xml
+ * 特点:更大显示面积,可显示更多便签内容
+ */
+public class NoteWidgetProvider_4x extends NoteWidgetProvider {
+
+ // ======================= 小部件生命周期方法 =======================
+
+ /**
+ * 小部件更新回调
+ * 当小部件需要更新时调用,包括创建、定时更新、配置变更等
+ * 实现:调用父类的update()方法
+ * 与2x版本逻辑完全相同,复用父类通用更新逻辑
+ *
+ * @param context 上下文
+ * @param appWidgetManager 小部件管理器
+ * @param appWidgetIds 需要更新的小部件ID数组
+ */
+ @Override
+ public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
+ // 调用父类的update()方法执行通用更新逻辑
+ super.update(context, appWidgetManager, appWidgetIds);
+ }
+
+ // ======================= 抽象方法实现 =======================
+
+ /**
+ * 获取布局ID
+ * 返回4x4小部件使用的布局资源ID
+ * 布局文件:R.layout.widget_4x
+ * 布局特点:更大的显示区域,适合显示更多文本内容
+ *
+ * @return 4x4小部件布局资源ID
+ */
+ @Override
+ protected int getLayoutId() {
+ return R.layout.widget_4x;
+ }
+
+ /**
+ * 获取背景资源ID
+ * 将背景颜色ID映射到4x4小部件的实际Drawable资源ID
+ * 通过ResourceParser.WidgetBgResources获取对应资源
+ * 注意:使用4x专用的背景资源,适配4x4尺寸
+ *
+ * @param bgId 背景颜色ID
+ * @return 4x4小部件背景Drawable资源ID
+ */
+ @Override
+ protected int getBgResourceId(int bgId) {
+ return ResourceParser.WidgetBgResources.getWidget4xBgResource(bgId);
+ }
+
+ /**
+ * 获取小部件类型
+ * 返回4x4小部件的类型常量
+ * 类型常量定义在Notes类中
+ * 用于数据库记录和业务逻辑区分
+ *
+ * @return 小部件类型:Notes.TYPE_WIDGET_4X
+ */
+ @Override
+ protected int getWidgetType() {
+ return Notes.TYPE_WIDGET_4X;
+ }
+}
\ No newline at end of file
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+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/res/layout/note_edit_list_item.xml b/res/layout/note_edit_list_item.xml
new file mode 100644
index 0000000..6497c25
--- /dev/null
+++ b/res/layout/note_edit_list_item.xml
@@ -0,0 +1,40 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/res/layout/note_item.xml b/res/layout/note_item.xml
new file mode 100644
index 0000000..eb899ed
--- /dev/null
+++ b/res/layout/note_item.xml
@@ -0,0 +1,89 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/res/layout/note_list.xml b/res/layout/note_list.xml
new file mode 100644
index 0000000..63cf765
--- /dev/null
+++ b/res/layout/note_list.xml
@@ -0,0 +1,68 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/res/layout/note_list_dropdown_menu.xml b/res/layout/note_list_dropdown_menu.xml
new file mode 100644
index 0000000..3fa271d
--- /dev/null
+++ b/res/layout/note_list_dropdown_menu.xml
@@ -0,0 +1,32 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/res/layout/note_list_footer.xml b/res/layout/note_list_footer.xml
new file mode 100644
index 0000000..5ca7b22
--- /dev/null
+++ b/res/layout/note_list_footer.xml
@@ -0,0 +1,24 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/res/layout/settings_header.xml b/res/layout/settings_header.xml
new file mode 100644
index 0000000..5eb8c50
--- /dev/null
+++ b/res/layout/settings_header.xml
@@ -0,0 +1,41 @@
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/res/layout/widget_2x.xml b/res/layout/widget_2x.xml
new file mode 100644
index 0000000..55970ce
--- /dev/null
+++ b/res/layout/widget_2x.xml
@@ -0,0 +1,37 @@
+
+
+
+
+
+
+
+
diff --git a/res/layout/widget_4x.xml b/res/layout/widget_4x.xml
new file mode 100644
index 0000000..dc9bb51
--- /dev/null
+++ b/res/layout/widget_4x.xml
@@ -0,0 +1,39 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/res/menu/call_note_edit.xml b/res/menu/call_note_edit.xml
new file mode 100644
index 0000000..02c0528
--- /dev/null
+++ b/res/menu/call_note_edit.xml
@@ -0,0 +1,48 @@
+
+
+
+
+
diff --git a/res/menu/call_record_folder.xml b/res/menu/call_record_folder.xml
new file mode 100644
index 0000000..c664346
--- /dev/null
+++ b/res/menu/call_record_folder.xml
@@ -0,0 +1,23 @@
+
+
+
+
+
diff --git a/res/menu/note_edit.xml b/res/menu/note_edit.xml
new file mode 100644
index 0000000..42440a1
--- /dev/null
+++ b/res/menu/note_edit.xml
@@ -0,0 +1,57 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/res/menu/note_list.xml b/res/menu/note_list.xml
new file mode 100644
index 0000000..42ea736
--- /dev/null
+++ b/res/menu/note_list.xml
@@ -0,0 +1,39 @@
+
+
+
+
+
diff --git a/res/menu/note_list_dropdown.xml b/res/menu/note_list_dropdown.xml
new file mode 100644
index 0000000..7cbaadc
--- /dev/null
+++ b/res/menu/note_list_dropdown.xml
@@ -0,0 +1,20 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/res/menu/note_list_options.xml b/res/menu/note_list_options.xml
new file mode 100644
index 0000000..04a00b9
--- /dev/null
+++ b/res/menu/note_list_options.xml
@@ -0,0 +1,41 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/res/menu/sub_folder.xml b/res/menu/sub_folder.xml
new file mode 100644
index 0000000..b00de26
--- /dev/null
+++ b/res/menu/sub_folder.xml
@@ -0,0 +1,24 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/res/raw-zh-rCN/introduction b/res/raw-zh-rCN/introduction
new file mode 100644
index 0000000..7188359
--- /dev/null
+++ b/res/raw-zh-rCN/introduction
@@ -0,0 +1,7 @@
+欢迎使用MIUI便签!
+
+ 无论从软件中直接添加,还是从桌面拖出widget,MIUI便签能让你快速建立和保存便签;
+
+ 除了调整文字大小、便签背景、文件夹等基础功能外,你会发现MIUI便签也提供了清单模式、便签提醒、软件加密、导出到SD卡、同步google task的高级功能,让你的生活记录更加美好和安全;
+
+ 来分享你的使用体验吧:http://www.miui.com/index.php
diff --git a/res/raw/introduction b/res/raw/introduction
new file mode 100644
index 0000000..269cf7b
--- /dev/null
+++ b/res/raw/introduction
@@ -0,0 +1 @@
+Welcome to use MIUI notes!
\ No newline at end of file
diff --git a/res/values-zh-rCN/arrays.xml b/res/values-zh-rCN/arrays.xml
new file mode 100644
index 0000000..114e52e
--- /dev/null
+++ b/res/values-zh-rCN/arrays.xml
@@ -0,0 +1,18 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/res/values-zh-rCN/strings.xml b/res/values-zh-rCN/strings.xml
new file mode 100644
index 0000000..07915bb
--- /dev/null
+++ b/res/values-zh-rCN/strings.xml
@@ -0,0 +1,119 @@
+
+
+
+
+
+ 便签
+ 便签2x2
+ 便签4x4
+ 没有关联内容,点击新建便签。
+ 访客模式下,便签内容不可见
+ ...
+ 新建便签
+ 已过期
+ yyyyMMdd
+ MM月dd日 kk:mm
+ 知道了
+ 查看
+ 呼叫电话
+ 发送邮件
+ 浏览网页
+ 打开地图
+
+ 新建文件夹
+ 导出文本
+ 同步
+ 取消同步
+ 设置
+ 搜索
+ 删除
+ 移动到文件夹
+ 选中了 %d 项
+ 没有选中项,操作无效
+ 全选
+ 取消全选
+ 文字大小
+ 小
+ 正常
+ 大
+ 超大
+ 进入清单模式
+ 退出清单模式
+ 查看文件夹
+ 刪除文件夹
+ 修改文件夹名称
+ 文件夹 %1$s 已存在,请重新命名
+ 分享
+ 发送到桌面
+ 提醒我
+ 删除提醒
+ 选择文件夹
+ 上一级文件夹
+ 已添加到桌面
+ 删除
+ 确认要删除所选的 %d 条便签吗?
+ 确认要删除该条便签吗?
+ 确认删除文件夹及所包含的便签吗?
+ 已将所选 %1$d 条便签移到 %2$s 文件夹
+
+ SD卡被占用,不能操作
+ 导出文本时发生错误,请检查SD卡
+ 要查看的便签不存在
+ 不能为空便签设置闹钟提醒
+ 不能将空便签发送到桌面
+ 导出成功
+ 导出失败
+ 已将文本文件(%1$s)输出至SD卡(%2$s)目录
+
+ 同步便签...
+ 同步成功
+ 同步失败
+ 同步已取消
+ 与%1$s同步成功
+ 同步失败,请检查网络和帐号设置
+ 同步失败,发生内部错误
+ 同步已取消
+ 登录%1$s...
+ 正在获取服务器便签列表...
+ 正在同步本地便签...
+
+ 设置
+ 同步账号
+ 与google task同步便签记录
+ 上次同步于 %1$s
+ 添加账号
+ 更换账号
+ 删除账号
+ 取消
+ 立即同步
+ 取消同步
+ 当前帐号 %1$s
+ 如更换同步帐号,过去的帐号同步信息将被清空,再次切换的同时可能会造成数据重复
+ 同步便签
+ 请选择google帐号,便签将与该帐号的google task内容同步。
+ 正在同步中,不能修改同步帐号
+ 同步帐号已设置为%1$s
+ 新建便签背景颜色随机
+ 通话便签
+ 请输入名称
+ 正在搜索便签
+ 搜索便签
+ 便签中的文字
+ 设置
+ 取消
+
+
diff --git a/res/values-zh-rTW/arrays.xml b/res/values-zh-rTW/arrays.xml
new file mode 100644
index 0000000..114e52e
--- /dev/null
+++ b/res/values-zh-rTW/arrays.xml
@@ -0,0 +1,18 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/res/values-zh-rTW/strings.xml b/res/values-zh-rTW/strings.xml
new file mode 100644
index 0000000..059f157
--- /dev/null
+++ b/res/values-zh-rTW/strings.xml
@@ -0,0 +1,120 @@
+
+
+
+
+
+ 便簽
+ 便簽2x2
+ 便簽4x4
+ 沒有關聯內容,點擊新建便簽。
+ 訪客模式下,便籤內容不可見
+ ...
+ 新建便簽
+ 已過期
+ yyyyMMdd
+ MM月dd日 kk:mm
+ 知道了
+ 查看
+ 呼叫電話
+ 發送郵件
+ 浏覽網頁
+ 打開地圖
+ 已將所選 %1$d 便籤移到 %2$s 文件夾
+
+ 新建文件夾
+ 導出文本
+ 同步
+ 取消同步
+ 設置
+ 搜尋
+ 刪除
+ 移動到文件夾
+ 選中了 %d 項
+ 沒有選中項,操作無效
+ 全選
+ 取消全選
+ 文字大小
+ 小
+ 正常
+ 大
+ 超大
+ 進入清單模式
+ 退出清單模式
+ 查看文件夾
+ 刪除文件夾
+ 修改文件夾名稱
+ 文件夾 %1$s 已存在,請重新命名
+ 分享
+ 發送到桌面
+ 提醒我
+ 刪除提醒
+ 選擇文件夾
+ 上一級文件夾
+ 已添加到桌面
+ 刪除
+ 确认要刪除所選的 %d 條便籤嗎?
+ 确认要删除該條便籤嗎?
+ 確認刪除檔夾及所包含的便簽嗎?
+ SD卡被佔用,不能操作
+ 導出TXT時發生錯誤,請檢查SD卡
+ 要查看的便籤不存在
+ 不能爲空便籤設置鬧鐘提醒
+ 不能將空便籤發送到桌面
+ 導出成功
+ 導出失敗
+ 已將文本文件(%1$s)導出至SD(%2$s)目錄
+
+ 同步便簽...
+ 同步成功
+ 同步失敗
+ 同步已取消
+ 與%1$s同步成功
+ 同步失敗,請檢查網絡和帳號設置
+ 同步失敗,發生內部錯誤
+ 同步已取消
+ 登陸%1$s...
+ 正在獲取服務器便籤列表...
+ 正在同步本地便籤...
+
+ 設置
+ 同步賬號
+ 与google task同步便簽記錄
+ 上次同步于 %1$s
+ 添加賬號
+ 更換賬號
+ 刪除賬號
+ 取消
+ 立即同步
+ 取消同步
+ 當前帳號 %1$s
+ 如更換同步帳號,過去的帳號同步信息將被清空,再次切換的同時可能會造成數據重復
+ 同步便簽
+ 請選擇google帳號,便簽將與該帳號的google task內容同步。
+ 正在同步中,不能修改同步帳號
+ 同步帳號已設置為%1$s
+ 新建便籤背景顏色隨機
+
+ 通話便籤
+ 請輸入名稱
+
+ 正在搜索便籤
+ 搜索便籤
+ 便籤中的文字
+ 設置
+ 取消
+
+
diff --git a/res/values-zh/strings.xml b/res/values-zh/strings.xml
new file mode 100644
index 0000000..959840d
--- /dev/null
+++ b/res/values-zh/strings.xml
@@ -0,0 +1,137 @@
+
+
+
+ 便签
+ 便签 2x2
+ 便签 4x4
+
+
+ 未找到关联便签,点击创建关联便签。
+ 隐私模式,无法查看便签内容
+ ...
+ 新建便签
+
+
+ 已过期
+ yyyyMMdd
+ MMMd kk:mm
+ 知道了
+ 查看
+
+
+ 拨号
+ 发送邮件
+ 浏览网页
+ 打开地图
+
+
+ /MIUI/notes/
+ notes_%s.txt
+
+
+ (%d)
+ 新建文件夹
+ 导出文本
+ 同步
+ 取消同步
+ 设置
+ 搜索
+ 置顶
+ 取消置顶
+ 删除
+ 移动到文件夹
+ 已选择 %d 项
+ 未选择任何项,操作无效
+ 全选
+ 取消全选
+ 批量选择
+
+
+ 字体大小
+ 小
+ 中
+ 大
+ 超大
+
+
+ 进入清单模式
+ 退出清单模式
+
+
+ 查看文件夹
+ 删除文件夹
+ 重命名文件夹
+ 文件夹 %1$s 已存在,请重新命名
+
+
+ 分享
+ 发送到桌面
+ 提醒我
+ 删除提醒
+ 插入图片
+ 选择文件夹
+ 父文件夹
+ 便签已添加到桌面
+
+
+ 确认删除文件夹及其包含的便签?
+ 删除选择的便签
+ 确认删除选择的 %d 个便签?
+ 确认删除此便签?
+ 已将选择的 %1$d 个便签移动到 %2$s 文件夹
+
+
+ SD卡正忙,暂不可用
+ 导出失败,请检查SD卡
+ 便签不存在
+ 抱歉,不能为空便签设置提醒
+ 抱歉,不能将空便签发送到桌面
+ 导出成功
+ 导出失败
+ 已将文本文件 (%1$s) 导出到SD卡 (%2$s) 目录
+
+
+ 正在同步便签...
+ 同步成功
+ 同步失败
+ 同步已取消
+ 已成功与账户 %1$s 同步
+ 同步失败,请检查网络和账户设置
+ 同步失败,发生内部错误
+ 同步已取消
+ 正在登录 %1$s...
+ 正在获取远程便签列表...
+ 正在将本地便签与Google Task同步...
+
+
+ 设置
+ 同步账户
+ 将便签与Google Task同步
+ 上次同步时间 %1$s
+ yyyy-MM-dd hh:mm:ss
+ 添加账户
+ 更改同步账户
+ 移除同步账户
+ 取消
+ 立即同步
+ 取消同步
+ 当前账户 %1$s
+ 将删除所有同步相关信息,可能会导致某些项目重复
+ 同步便签
+ 请选择一个Google账户。本地便签将与Google Task同步。
+ 无法更改账户,因为同步正在进行中
+ %1$s 已被设置为同步账户
+ 新便签背景颜色随机
+
+
+ 通话便签
+ 输入名称
+ 搜索便签
+ 搜索便签
+ 便签中的文本
+ 搜索历史
+ 设置
+ 取消
+
+
+
\ No newline at end of file
diff --git a/res/values/arrays.xml b/res/values/arrays.xml
new file mode 100644
index 0000000..62336e5
--- /dev/null
+++ b/res/values/arrays.xml
@@ -0,0 +1,105 @@
+
+
+
+
+
+
+
+
+ - -%s
+
+
+ - --%s
+
+
+ - --%s
+
+
+ - --%s
+
+
+
\ No newline at end of file
diff --git a/res/values/colors.xml b/res/values/colors.xml
new file mode 100644
index 0000000..2b72ca2
--- /dev/null
+++ b/res/values/colors.xml
@@ -0,0 +1,59 @@
+
+
+
+
+
+
+
+ #335b5b5b
+
+
+ #ffffff
+
\ No newline at end of file
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
new file mode 100644
index 0000000..fd60fb0
--- /dev/null
+++ b/res/values/dimens.xml
@@ -0,0 +1,145 @@
+
+
+
+
+
+
+
+ 33sp
+
+
+ 26sp
+
+
+ 20sp
+
+
+ 17sp
+
+
+ 14sp
+
\ No newline at end of file
diff --git a/res/values/strings.xml b/res/values/strings.xml
new file mode 100644
index 0000000..6cc899d
--- /dev/null
+++ b/res/values/strings.xml
@@ -0,0 +1,135 @@
+
+
+
+ Notes
+ Notes 2x2
+ Notes 4x4
+
+
+ No associated note found, click to create an associated note.
+ Privacy mode, cannot view note content
+ ...
+ New Note
+
+
+ Expired
+ yyyyMMdd
+ MMMd kk:mm
+ OK
+ View
+
+
+ Call
+ Send Email
+ Browse Web
+ Open Map
+
+
+ /MIUI/notes/
+ notes_%s.txt
+
+
+ (%d)
+ New Folder
+ Export Text
+ Sync
+ Cancel Sync
+ Settings
+ Search
+ Pin
+ Unpin
+ Delete
+ Move to Folder
+ Selected %d items
+ No items selected, operation invalid
+ Select All
+ Deselect All
+ Batch Select
+
+
+ Font Size
+ Small
+ Medium
+ Large
+ Extra Large
+
+
+ Enter List Mode
+ Exit List Mode
+
+
+ View Folder
+ Delete Folder
+ Rename Folder
+ Folder %1$s already exists, please rename
+
+
+ Share
+ Send to Desktop
+ Remind Me
+ Remove Reminder
+ Insert Image
+ Select Folder
+ Parent Folder
+ Note added to desktop
+
+
+ Confirm delete folder and its notes?
+ Delete Selected Notes
+ Confirm delete selected %d notes?
+ Confirm delete this note?
+ Moved selected %1$d notes to %2$s folder
+
+
+ SD card is busy, temporarily unavailable
+ Export failed, please check SD card
+ Note does not exist
+ Sorry, cannot set reminder for empty note
+ Sorry, cannot send empty note to desktop
+ Export successful
+ Export failed
+ Exported text file (%1$s) to SD card (%2$s) directory
+
+
+ Syncing notes...
+ Sync successful
+ Sync failed
+ Sync cancelled
+ Successfully synced with account %1$s
+ Sync failed, please check network and account settings
+ Sync failed, internal error occurred
+ Sync cancelled
+ Logging in to %1$s...
+ Retrieving remote notes list...
+ Syncing local notes with Google Task...
+
+
+ Settings
+ Sync Account
+ Sync notes with Google Task
+ Last sync time %1$s
+ yyyy-MM-dd hh:mm:ss
+ Add Account
+ Change Sync Account
+ Remove Sync Account
+ Cancel
+ Sync Now
+ Cancel Sync
+ Current account %1$s
+ All sync-related information will be deleted, which may cause some items to be duplicated
+ Sync Notes
+ Please select a Google account. Local notes will be synced with Google Task.
+ Cannot change account because sync is in progress
+ %1$s has been set as the sync account
+ New note background color random
+
+
+ Call Notes
+ Enter name
+ Search Notes
+ Search notes
+ Text in notes
+ Search History
+ Set
+ Cancel
+
\ No newline at end of file
diff --git a/res/values/styles.xml b/res/values/styles.xml
new file mode 100644
index 0000000..eebb6bc
--- /dev/null
+++ b/res/values/styles.xml
@@ -0,0 +1,310 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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\ No newline at end of file
diff --git a/res/xml/preferences.xml b/res/xml/preferences.xml
new file mode 100644
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diff --git a/res/xml/searchable.xml b/res/xml/searchable.xml
new file mode 100644
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diff --git a/res/xml/widget_2x_info.xml b/res/xml/widget_2x_info.xml
new file mode 100644
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diff --git a/res/xml/widget_4x_info.xml b/res/xml/widget_4x_info.xml
new file mode 100644
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