From 03322225e83d8459ae43446df768c5300e4858e8 Mon Sep 17 00:00:00 2001 From: liuyuxia <13337357913@qq.com> Date: Wed, 8 Jan 2025 22:57:23 +0800 Subject: [PATCH] liuyuxia --- src/java/net/micode/notes/model/Note.java | 123 +++- .../net/micode/notes/model/WorkingNote.java | 304 ++++---- .../net/micode/notes/tool/BackupUtils.java | 670 ++++++++++-------- src/java/net/micode/notes/tool/DataUtils.java | 525 +++++++------- 4 files changed, 895 insertions(+), 727 deletions(-) diff --git a/src/java/net/micode/notes/model/Note.java b/src/java/net/micode/notes/model/Note.java index c3caaff..23918ac 100644 --- a/src/java/net/micode/notes/model/Note.java +++ b/src/java/net/micode/notes/model/Note.java @@ -5,7 +5,7 @@ * 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 + * 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, @@ -15,6 +15,7 @@ */ package net.micode.notes.model; + import android.content.ContentProviderOperation; import android.content.ContentProviderResult; import android.content.ContentUris; @@ -33,16 +34,23 @@ import net.micode.notes.data.Notes.TextNote; import java.util.ArrayList; - +/** + * Note 类用于表示一个便签。 + * 它封装了便签的各种属性和操作方法，包括创建新便签、同步便签数据等。 + */ public class Note { - private ContentValues mNoteDiffValues; - private NoteData mNoteData; - private static final String TAG = "Note"; + private ContentValues mNoteDiffValues; // 便签差异值 + private NoteData mNoteData; // 便签数据 + private static final String TAG = "Note"; // 日志标签 + /** - * Create a new note id for adding a new note to databases + * 创建一个新的便签ID。 + * @param context 上下文 + * @param folderId 文件夹ID + * @return 新便签ID */ public static synchronized long getNewNoteId(Context context, long folderId) { - // Create a new note in the database + // 创建一个新的便签 ContentValues values = new ContentValues(); long createdTime = System.currentTimeMillis(); values.put(NoteColumns.CREATED_DATE, createdTime); @@ -70,40 +78,82 @@ public class Note { mNoteData = new NoteData(); } + /** + * 设置便签的置顶状态。 + * @param key 键 + * @param value 值 + */ public void setTopState(String key, int value) { mNoteDiffValues.put(key, value); } + /** + * 设置便签的值。 + * @param key 键 + * @param value 值 + */ public void setNoteValue(String key, String value) { mNoteDiffValues.put(key, value); mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); } + /** + * 设置文本数据。 + * @param key 键 + * @param value 值 + */ public void setTextData(String key, String value) { mNoteData.setTextData(key, value); } + /** + * 设置文本数据ID。 + * @param id ID + */ public void setTextDataId(long id) { mNoteData.setTextDataId(id); } + /** + * 获取文本数据ID。 + * @return 文本数据ID + */ public long getTextDataId() { return mNoteData.mTextDataId; } + /** + * 设置通话数据ID。 + * @param id ID + */ public void setCallDataId(long id) { mNoteData.setCallDataId(id); } + /** + * 设置通话数据。 + * @param key 键 + * @param value 值 + */ public void setCallData(String key, String value) { mNoteData.setCallData(key, value); } + /** + * 判断便签是否本地修改过。 + * @return 修改过返回true，否则返回false + */ public boolean isLocalModified() { return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified(); } + /** + * 同步便签数据。 + * @param context 上下文 + * @param noteId 便签ID + * @return 同步成功返回true，否则返回false + */ public boolean syncNote(Context context, long noteId) { if (noteId <= 0) { throw new IllegalArgumentException("Wrong note id:" + noteId); @@ -113,16 +163,10 @@ public class Note { 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(); @@ -134,16 +178,15 @@ public class Note { return true; } + /** + * NoteData 类用于表示便签的数据。 + */ private class NoteData { - private long mTextDataId; - - private ContentValues mTextDataValues; - - private long mCallDataId; - - private ContentValues mCallDataValues; - - private static final String TAG = "NoteData"; + private long mTextDataId; // 文本数据ID + private ContentValues mTextDataValues; // 文本数据值 + private long mCallDataId; // 通话数据ID + private ContentValues mCallDataValues; // 通话数据值 + private static final String TAG = "NoteData"; // 日志标签 public NoteData() { mTextDataValues = new ContentValues(); @@ -152,10 +195,18 @@ public class Note { mCallDataId = 0; } + /** + * 判断便签数据是否本地修改过。 + * @return 修改过返回true，否则返回false + */ boolean isLocalModified() { return mTextDataValues.size() > 0 || mCallDataValues.size() > 0; } + /** + * 设置文本数据ID。 + * @param id ID + */ void setTextDataId(long id) { if(id <= 0) { throw new IllegalArgumentException("Text data id should larger than 0"); @@ -163,6 +214,10 @@ public class Note { mTextDataId = id; } + /** + * 设置通话数据ID。 + * @param id ID + */ void setCallDataId(long id) { if (id <= 0) { throw new IllegalArgumentException("Call data id should larger than 0"); @@ -170,22 +225,35 @@ public class Note { mCallDataId = id; } + /** + * 设置通话数据。 + * @param key 键 + * @param value 值 + */ void setCallData(String key, String value) { mCallDataValues.put(key, value); mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); } + /** + * 设置文本数据。 + * @param key 键 + * @param value 值 + */ void setTextData(String key, String value) { mTextDataValues.put(key, value); mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); } + /** + * 将便签数据推送到ContentResolver。 + * @param context 上下文 + * @param noteId 便签ID + * @return 推送成功返回URI，否则返回null + */ Uri pushIntoContentResolver(Context context, long noteId) { - /** - * Check for safety - */ if (noteId <= 0) { throw new IllegalArgumentException("Wrong note id:" + noteId); } @@ -207,8 +275,7 @@ public class Note { return null; } } else { - builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId( - Notes.CONTENT_DATA_URI, mTextDataId)); + builder = ContentProviderOperation.newUpdate(ContentUris .withAppendedId(Notes.CONTENT_DATA_URI, mTextDataId)); builder.withValues(mTextDataValues); operationList.add(builder.build()); } @@ -254,4 +321,4 @@ public class Note { return null; } } -} +} \ No newline at end of file diff --git a/src/java/net/micode/notes/model/WorkingNote.java b/src/java/net/micode/notes/model/WorkingNote.java index a42559b..8de578f 100644 --- a/src/java/net/micode/notes/model/WorkingNote.java +++ b/src/java/net/micode/notes/model/WorkingNote.java @@ -5,7 +5,7 @@ * 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 + * 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, @@ -31,82 +31,74 @@ import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.TextNote; import net.micode.notes.tool.ResourceParser.NoteBgResources; - +/** + * WorkingNote 类用于表示正在编辑的便签。 + * 它封装了便签的各种属性和操作方法。 + */ public class WorkingNote { - // Note for the working note + // 当前正在编辑的便签对象 private Note mNote; - // Note Id + // 便签ID private long mNoteId; - // Note content + // 便签内容 private String mContent; - // Note mode + // 便签模式 private int mMode; - private long mAlertDate; - - private long mModifiedDate; - - private int mBgColorId; - - private int mWidgetId; - - private int mWidgetType; + private long mAlertDate; // 提醒日期 + private long mModifiedDate; // 修改日期 + private int mBgColorId; // 背景颜色ID + private int mWidgetId; // 小部件ID + private int mWidgetType; // 小部件类型 + private int mTop; // 置顶状态 + private long mFolderId; // 文件夹ID + private Context mContext; // 上下文 - private int mTop; + private static final String TAG = "WorkingNote"; // 日志标签 - private long mFolderId; - - private Context mContext; - - private static final String TAG = "WorkingNote"; - - private boolean mIsDeleted; - - private NoteSettingChangedListener mNoteSettingStatusListener; + private boolean mIsDeleted; // 是否已删除 + private NoteSettingChangedListener mNoteSettingStatusListener; // 设置变化监听器 + // 数据查询投影 public static final String[] DATA_PROJECTION = new String[] { - DataColumns.ID, - DataColumns.CONTENT, - DataColumns.MIME_TYPE, - DataColumns.DATA1, - DataColumns.DATA2, - DataColumns.DATA3, - DataColumns.DATA4, + DataColumns.ID, // 数据ID + DataColumns.CONTENT, // 数据内容 + DataColumns.MIME_TYPE, // 数据类型 + DataColumns.DATA1, // 数据1 + DataColumns.DATA2, // 数据2 + DataColumns.DATA3, // 数据3 + DataColumns.DATA4 // 数据4 }; + // 便签查询投影 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, - NoteColumns.TOP + NoteColumns.PARENT_ID, // 父ID + NoteColumns.ALERTED_DATE, // 提醒日期 + NoteColumns.BG_COLOR_ID, // 背景颜色ID + NoteColumns.WIDGET_ID, // 小部件ID + NoteColumns.WIDGET_TYPE, // 小部件类型 + NoteColumns.MODIFIED_DATE, // 修改日期 + NoteColumns.TOP // 置顶状态 }; + // 列索引 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; - private static final int NOTE_TOP_STATE_COLUMN = 6; - // New note construct + /** + * 创建一个新的工作便签。 + * @param context 上下文 + * @param folderId 文件夹ID + */ private WorkingNote(Context context, long folderId) { mContext = context; mAlertDate = 0; @@ -120,7 +112,12 @@ public class WorkingNote { mWidgetType = Notes.TYPE_WIDGET_INVALIDE; } - // Existing note construct + /** + * 加载一个已存在的工作便签。 + * @param context 上下文 + * @param noteId 便签ID + * @param folderId 文件夹ID + */ private WorkingNote(Context context, long noteId, long folderId) { mContext = context; mNoteId = noteId; @@ -130,7 +127,11 @@ public class WorkingNote { loadNote(); } + /** + * 加载便签数据。 + */ private void loadNote() { + // 查询便签信息 Cursor cursor = mContext.getContentResolver().query( ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null, null, null); @@ -153,7 +154,11 @@ public class WorkingNote { loadNoteData(); } + /** + * 加载便签数据内容。 + */ private void loadNoteData() { + // 查询便签数据 Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] { String.valueOf(mNoteId) @@ -181,16 +186,17 @@ public class WorkingNote { } } + /** + * 创建一个空的工作便签。 + * @param context 上下文 + * @param folderId 文件夹ID + * @param widgetId 小部件ID + * @param widgetType 小部件类型 + * @param defaultBgColorId 默认背景颜色ID + * @return 返回一个WorkingNote实例 + */ public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId, int widgetType, int defaultBgColorId) { - /** - * @method: createEmptyNote - * @description: 创建一个空的工作便签，根据传入参数，设置好工作便签的背景色、挂件号、挂件类型 - * @date: 2023/12/20 23:55 - * @author: zhoukexing - * @param: [context, folderId, widgetId, widgetType, defaultBgColorId] - * @return: net.micode.notes.model.WorkingNote 返回一个WorkingNote实例 - */ WorkingNote note = new WorkingNote(context, folderId); note.setBgColorId(defaultBgColorId); note.setWidgetId(widgetId); @@ -198,47 +204,20 @@ public class WorkingNote { return note; } + /** + * 加载一个已存在的工作便签。 + * @param context 上下文 + * @param id 便签ID + * @return 返回一个WorkingNote实例 + */ public static WorkingNote load(Context context, long id) { return new WorkingNote(context, id, 0); } - public synchronized boolean saveNote() {// TODO: 2023/12/19 要仔细溯源看看 - /** - * @method: saveNote - * @description: 保存工作便签，当保存成功时，返回true，保存失败（） - * @date: 2023/12/19 23:44 - * @author: zhoukexing - * @param: [] - * @return: boolean - */ - if (isWorthSaving()) { // 判断是否有新内容-->是否值得注释 @zhoukexing 2023/12/19 23:45 - if (!existInDatabase()) { // 判断是否在数据库里存在==是新便签还是已有便签 @zhoukexing 2023/12/19 23:45 - if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) { - Log.e(TAG, "Create new note fail with id:" + mNoteId); - return false; - } - } - - mNote.syncNote(mContext, mNoteId); // 和远程同步 @zhoukexing 2023/12/19 23:46 - - /** - * Update widget content if there exist any widget of this note - */ - if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID - && mWidgetType != Notes.TYPE_WIDGET_INVALIDE - && mNoteSettingStatusListener != null) { - mNoteSettingStatusListener.onWidgetChanged(); - } - return true; - } else { - return false; // 没有需要保存的，就返回false @zhoukexing 2023/12/19 23:46 - } - } - - public boolean existInDatabase() { - return mNoteId > 0; - } - + /** + * 判断便签是否有值得保存的内容。 + * @return 有值得保存的内容返回true，否则返回false + */ private boolean isWorthSaving() { if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent)) || (existInDatabase() && !mNote.isLocalModified())) { @@ -249,63 +228,60 @@ public class WorkingNote { } /** - * @method: setOnSettingStatusChangedListener - * @description: 将工作目录里的NoteEditActivity项设置为NoteSettingChangedListener - * @date: 2023/12/21 0:10 - * @author: zhoukexing - * @param: [l] NoteEditActivity - * @return: void + * 设置设置变化监听器。 + * @param l 监听器实例 */ public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) { - //Q: 这里的l是怎么获取的。l是NoteEditActivity @zkx 2023/12/21 mNoteSettingStatusListener = l; } + /** + * 反转便签的置顶状态。 + */ public void reverseTopState() { mTop ^= 1; mNote.setTopState(NoteColumns.TOP, mTop); } - public int getmTop(){ + /** + * 获取便签的置顶状态。 + * @return 置顶状态 + */ + public int getmTop() { return mTop; } /** - * @Method setAlertDate - * @Date 2023/12/13 11:43 - * @param date 提醒日期 - * @param set 动作（关闭或开启） - * @Author lenovo - * @Return void - * @Description 设置一个提醒时间 + * 设置便签的提醒日期。 + * @param date 提醒日期 + * @param set 是否设置提醒 */ public void setAlertDate(long date, boolean set) { - // 更新便签项中的提醒日期 if (date != mAlertDate) { mAlertDate = date; mNote.setNoteValue(NoteColumns.ALERTED_DATE, String.valueOf(mAlertDate)); } - // 设置提醒的监听事件 if (mNoteSettingStatusListener != null) { mNoteSettingStatusListener.onClockAlertChanged(date, set); } } + /** - * @method: markDeleted - * @description: 描述一下方法的作用 - * @date: 2023/12/21 0:50 - * @author: zhoukexing - * @param: [mark] - * @return: void + * 标记便签为已删除或未删除。 + * @param mark 是否标记为已删除 */ public void markDeleted(boolean mark) { mIsDeleted = mark; if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) { - mNoteSettingStatusListener.onWidgetChanged(); + mNoteSettingStatusListener.onWidgetChanged(); } } + /** + * 设置便签的背景颜色ID。 + * @param id 背景颜色ID + */ public void setBgColorId(int id) { if (id != mBgColorId) { mBgColorId = id; @@ -316,6 +292,10 @@ public class WorkingNote { } } + /** + * 设置便签的检查列表模式。 + * @param mode 模式 + */ public void setCheckListMode(int mode) { if (mMode != mode) { if (mNoteSettingStatusListener != null) { @@ -326,6 +306,10 @@ public class WorkingNote { } } + /** + * 设置便签的小部件类型。 + * @param type 小部件类型 + */ public void setWidgetType(int type) { if (type != mWidgetType) { mWidgetType = type; @@ -333,6 +317,10 @@ public class WorkingNote { } } + /** + * 设置便签的小部件ID。 + * @param id 小部件ID + */ public void setWidgetId(int id) { if (id != mWidgetId) { mWidgetId = id; @@ -340,6 +328,10 @@ public class WorkingNote { } } + /** + * 设置便签的文本内容。 + * @param text 文本内容 + */ public void setWorkingText(String text) { if (!TextUtils.equals(mContent, text)) { mContent = text; @@ -347,80 +339,138 @@ public class WorkingNote { } } + /** + * 将便签转换为通话记录便签。 + * @param phoneNumber 电话号码 + * @param callDate 通话日期 + */ public void convertToCallNote(String phoneNumber, long callDate) { mNote.setCallData(CallNote.CALL_DATE, String.valueOf(callDate)); mNote.setCallData(CallNote.PHONE_NUMBER, phoneNumber); mNote.setNoteValue(NoteColumns.PARENT_ID, String.valueOf(Notes.ID_CALL_RECORD_FOLDER)); } + /** + * 判断便签是否有提醒。 + * @return 有提醒返回true，否则返回false + */ public boolean hasClockAlert() { - return (mAlertDate > 0 ? true : false); + return (mAlertDate > 0); } + /** + * 获取便签的内容。 + * @return 便签内容 + */ public String getContent() { return mContent; } + /** + * 获取便签的提醒日期。 + * @return 提醒日期 + */ public long getAlertDate() { return mAlertDate; } + /** + * 获取便签的修改日期。 + * @return 修改日期 + */ public long getModifiedDate() { return mModifiedDate; } + /** + * 获取便签的背景颜色资源ID。 + * @return 背景颜色资源ID + */ public int getBgColorResId() { return NoteBgResources.getNoteBgResource(mBgColorId); } + /** + * 获取便签的背景颜色ID。 + * @return 背景颜色ID + */ public int getBgColorId() { return mBgColorId; } + /** + * 获取便签的标题背景资源ID。 + * @return 标题背景资源ID + */ public int getTitleBgResId() { return NoteBgResources.getNoteTitleBgResource(mBgColorId); } + /** + * 获取便签的检查列表模式。 + * @return 检查列表模式 + */ public int getCheckListMode() { return mMode; } + /** + * 获取便签的ID。 + * @return 便签ID + */ public long getNoteId() { return mNoteId; } + /** + * 获取便签的文件夹ID。 + * @return 文件夹ID + */ public long getFolderId() { return mFolderId; } + /** + * 获取便签的小部件ID。 + * @return 小部件ID + */ public int getWidgetId() { return mWidgetId; } + /** + * 获取便签的小部件类型。 + * @return 小部件类型 + */ public int getWidgetType() { return mWidgetType; } + /** + * 便签设置变化监听器接口。 + */ public interface NoteSettingChangedListener { /** - * Called when the background color of current note has just changed + * 当便签的背景颜色发生变化时调用。 */ void onBackgroundColorChanged(); /** - * Called when user set clock + * 当用户设置提醒时调用。 + * @param date 提醒日期 + * @param set 是否设置提醒 */ void onClockAlertChanged(long date, boolean set); /** - * Call when user create note from widget + * 当用户从小部件创建便签时调用。 */ void onWidgetChanged(); /** - * Call when switch between check list mode and normal mode - * @param oldMode is previous mode before change - * @param newMode is new mode + * 当用户在检查列表模式和普通模式之间切换时调用。 + * @param oldMode 之前的模式 + * @param newMode 新的模式 */ void onCheckListModeChanged(int oldMode, int newMode); } diff --git a/src/java/net/micode/notes/tool/BackupUtils.java b/src/java/net/micode/notes/tool/BackupUtils.java index 32eb5af..74e27e7 100644 --- a/src/java/net/micode/notes/tool/BackupUtils.java +++ b/src/java/net/micode/notes/tool/BackupUtils.java @@ -5,7 +5,7 @@ * 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 + * 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, @@ -14,316 +14,362 @@ * limitations under the License. */ - package net.micode.notes.tool; - - public class BackupUtils { - private static final String TAG = "BackupUtils"; - // Singleton stuff - private static BackupUtils sInstance; //类里面为什么可以定义自身类的对象？ - - public static synchronized BackupUtils getInstance(Context context) { - //ynchronized 关键字，代表这个方法加锁,相当于不管哪一个线程（例如线程A） - //运行到这个方法时,都要检查有没有其它线程B（或者C、 D等）正在用这个方法(或者该类的其他同步方法)，有的话要等正在使用synchronized方法的线程B（或者C 、D）运行完这个方法后再运行此线程A,没有的话,锁定调用者,然后直接运行。 - //它包括两种用法：synchronized 方法和 synchronized 块。 - if (sInstance == null) { - //如果当前备份不存在，则新声明一个 - sInstance = new BackupUtils(context); - } - return sInstance; - } - - /** - * Following states are signs to represents backup or restore - * status - */ - // Currently, the sdcard is not mounted SD卡没有被装入手机 - public static final int STATE_SD_CARD_UNMOUONTED = 0; - // The backup file not exist 备份文件夹不存在 - public static final int STATE_BACKUP_FILE_NOT_EXIST = 1; - // The data is not well formated, may be changed by other programs 数据已被破坏，可能被修改 - public static final int STATE_DATA_DESTROIED = 2; - // Some run-time exception which causes restore or backup fails 超时异常 - public static final int STATE_SYSTEM_ERROR = 3; - // Backup or restore success 成功存储 - public static final int STATE_SUCCESS = 4; - - private TextExport mTextExport; - - private BackupUtils(Context context) { //初始化函数 - mTextExport = new TextExport(context); - } - - private static boolean externalStorageAvailable() { //外部存储功能是否可用 - return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState()); - } - - public int exportToText() { - return mTextExport.exportToText(); - } - - public String getExportedTextFileName() { - return mTextExport.mFileName; - } - - public String getExportedTextFileDir() { - return mTextExport.mFileDirectory; - } - - private static class TextExport { - private static final String[] NOTE_PROJECTION = { - NoteColumns.ID, - NoteColumns.MODIFIED_DATE, - NoteColumns.SNIPPET, - NoteColumns.TYPE - }; - - private static final int NOTE_COLUMN_ID = 0; - - private static final int NOTE_COLUMN_MODIFIED_DATE = 1; - - private static final int NOTE_COLUMN_SNIPPET = 2; - - private static final String[] DATA_PROJECTION = { - DataColumns.CONTENT, - DataColumns.MIME_TYPE, - DataColumns.DATA1, - DataColumns.DATA2, - DataColumns.DATA3, - DataColumns.DATA4, - }; - - private static final int DATA_COLUMN_CONTENT = 0; - - private static final int DATA_COLUMN_MIME_TYPE = 1; - - private static final int DATA_COLUMN_CALL_DATE = 2; - - private static final int DATA_COLUMN_PHONE_NUMBER = 4; - - private final String [] TEXT_FORMAT; - private static final int FORMAT_FOLDER_NAME = 0; - private static final int FORMAT_NOTE_DATE = 1; - private static final int FORMAT_NOTE_CONTENT = 2; - - private Context mContext; - private String mFileName; - private String mFileDirectory; - - public TextExport(Context context) { - TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note); - mContext = context; - mFileName = ""; //为什么为空? - mFileDirectory = ""; - } - - private String getFormat(int id) { //获取文本的组成部分 - return TEXT_FORMAT[id]; - } - - /** - * Export the folder identified by folder id to text - */ - private void exportFolderToText(String folderId, PrintStream ps) { - // Query notes belong to this folder 通过查询parent id是文件夹id的note来选出制定ID文件夹下的Note - Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI, - NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] { - folderId - }, null); - - if (notesCursor != null) { - if (notesCursor.moveToFirst()) { - do { - // Print note's last modified date ps里面保存有这份note的日期 - ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format( - mContext.getString(R.string.format_datetime_mdhm), - notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)))); - // Query data belong to this note - String noteId = notesCursor.getString(NOTE_COLUMN_ID); - exportNoteToText(noteId, ps); //将文件导出到text - } while (notesCursor.moveToNext()); - } - notesCursor.close(); - } - } - - /** - * Export note identified by id to a print stream - */ - private void exportNoteToText(String noteId, PrintStream ps) { - Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, - DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] { - noteId - }, null); - - if (dataCursor != null) { //利用光标来扫描内容，区别为callnote和note两种，靠ps.printline输出 - if (dataCursor.moveToFirst()) { - do { - String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE); - if (DataConstants.CALL_NOTE.equals(mimeType)) { - // Print phone number - String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER); - long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE); - String location = dataCursor.getString(DATA_COLUMN_CONTENT); - - if (!TextUtils.isEmpty(phoneNumber)) { //判断是否为空字符 - ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), - phoneNumber)); - } - // Print call date - ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), DateFormat - .format(mContext.getString(R.string.format_datetime_mdhm), - callDate))); - // Print call attachment location - if (!TextUtils.isEmpty(location)) { - ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), - location)); - } - } else if (DataConstants.NOTE.equals(mimeType)) { - String content = dataCursor.getString(DATA_COLUMN_CONTENT); - if (!TextUtils.isEmpty(content)) { - ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), - content)); - } - } - } while (dataCursor.moveToNext()); - } - dataCursor.close(); - } - // print a line separator between note - try { - ps.write(new byte[] { - Character.LINE_SEPARATOR, Character.LETTER_NUMBER - }); - } catch (IOException e) { - Log.e(TAG, e.toString()); - } - } - - /** - * Note will be exported as text which is user readable - */ - public int exportToText() { //总函数，调用上面的exportFolder和exportNote - if (!externalStorageAvailable()) { - Log.d(TAG, "Media was not mounted"); - return STATE_SD_CARD_UNMOUONTED; - } - - PrintStream ps = getExportToTextPrintStream(); - if (ps == null) { - Log.e(TAG, "get print stream error"); - return STATE_SYSTEM_ERROR; - } - // First export folder and its notes 导出文件夹，就是导出里面包含的便签 - Cursor folderCursor = mContext.getContentResolver().query( - Notes.CONTENT_NOTE_URI, - NOTE_PROJECTION, - "(" + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + " AND " - + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + ") OR " - + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER, null, null); - - if (folderCursor != null) { - if (folderCursor.moveToFirst()) { - do { - // Print folder's name - String folderName = ""; - if(folderCursor.getLong(NOTE_COLUMN_ID) == Notes.ID_CALL_RECORD_FOLDER) { - folderName = mContext.getString(R.string.call_record_folder_name); - } else { - folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET); - } - if (!TextUtils.isEmpty(folderName)) { - ps.println(String.format(getFormat(FORMAT_FOLDER_NAME), folderName)); - } - String folderId = folderCursor.getString(NOTE_COLUMN_ID); - exportFolderToText(folderId, ps); - } while (folderCursor.moveToNext()); - } - folderCursor.close(); - } - - // Export notes in root's folder 将根目录里的便签导出（由于不属于任何文件夹，因此无法通过文件夹导出来实现这一部分便签的导出） - Cursor noteCursor = mContext.getContentResolver().query( - Notes.CONTENT_NOTE_URI, - NOTE_PROJECTION, - NoteColumns.TYPE + "=" + +Notes.TYPE_NOTE + " AND " + NoteColumns.PARENT_ID - + "=0", null, null); - - if (noteCursor != null) { - if (noteCursor.moveToFirst()) { - do { - ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format( - mContext.getString(R.string.format_datetime_mdhm), - noteCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)))); - // Query data belong to this note - String noteId = noteCursor.getString(NOTE_COLUMN_ID); - exportNoteToText(noteId, ps); - } while (noteCursor.moveToNext()); - } - noteCursor.close(); - } - ps.close(); - - return STATE_SUCCESS; - } - - /** - * Get a print stream pointed to the file {@generateExportedTextFile} - */ - private PrintStream getExportToTextPrintStream() { - File file = generateFileMountedOnSDcard(mContext, R.string.file_path, - R.string.file_name_txt_format); - if (file == null) { - Log.e(TAG, "create file to exported failed"); - return null; - } - mFileName = file.getName(); - mFileDirectory = mContext.getString(R.string.file_path); - PrintStream ps = null; - try { - FileOutputStream fos = new FileOutputStream(file); - ps = new PrintStream(fos); //将ps输出流输出到特定的文件，目的就是导出到文件，而不是直接输出 - } catch (FileNotFoundException e) { - e.printStackTrace(); - return null; - } catch (NullPointerException e) { - e.printStackTrace(); - return null; - } - return ps; - } - } - - /** - * Generate the text file to store imported data - */ - private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) { - StringBuilder sb = new StringBuilder(); - sb.append(Environment.getExternalStorageDirectory()); //外部（SD卡）的存储路径 - sb.append(context.getString(filePathResId)); //文件的存储路径 - File filedir = new File(sb.toString()); //filedir应该就是用来存储路径信息 - sb.append(context.getString( - fileNameFormatResId, - DateFormat.format(context.getString(R.string.format_date_ymd), - System.currentTimeMillis()))); - File file = new File(sb.toString()); - - try { //如果这些文件不存在，则新建 - if (!filedir.exists()) { - filedir.mkdir(); - } - if (!file.exists()) { - file.createNewFile(); - } - return file; - } catch (SecurityException e) { - e.printStackTrace(); - } catch (IOException e) { - e.printStackTrace(); - } - // try catch 异常处理 - return null; - } - } - +package net.micode.notes.tool; +import android.content.Context; +import android.database.Cursor; +import android.net.Uri; +import android.os.Environment; +import android.text.format.DateFormat; +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.tool.ResourceParser; + +import java.io.File; +import java.io.FileNotFoundException; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.PrintStream; +import java.text.SimpleDateFormat; + +/** + * BackupUtils 类用于实现便签数据的备份功能。 + * 它提供了一个单例模式的实例，并且可以将便签数据导出为文本文件。 + */ +public class BackupUtils { + private static final String TAG = "BackupUtils"; + // 单例模式 + private static BackupUtils sInstance; // 类里面可以定义自身类的对象，用于实现单例模式 + + /** + * 获取BackupUtils的单例实例。 + * @param context 上下文 + * @return BackupUtils实例 + */ + public static synchronized BackupUtils getInstance(Context context) { + // synchronized 关键字，确保多线程环境下线程安全 + if (sInstance == null) { + // 如果当前实例不存在，则创建一个新的实例 + sInstance = new BackupUtils(context); + } + return sInstance; + } + + /** + * 备份或恢复状态常量 + */ + public static final int STATE_SD_CARD_UNMOUONTED = 0; // SD卡未挂载 + 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; // 数据被破坏 + public static final int STATE_SYSTEM_ERROR = 3; // 系统错误 + public static final int STATE_SUCCESS = 4; // 成功 + + private TextExport mTextExport; + + private BackupUtils(Context context) { // 初始化函数 + mTextExport = new TextExport(context); + } + + /** + * 检查外部存储是否可用。 + * @return 可用返回true，否则返回false + */ + private static boolean externalStorageAvailable() { + return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState()); + } + + /** + * 将便签数据导出为文本。 + * @return 导出结果状态 + */ + public int exportToText() { + return mTextExport.exportToText(); + } + + /** + * 获取导出的文本文件名。 + * @return 文件名 + */ + public String getExportedTextFileName() { + return mTextExport.mFileName; + } + + /** + * 获取导出的文本文件目录。 + * @return 文件目录 + */ + public String getExportedTextFileDir() { + return mTextExport.mFileDirectory; + } + + /** + * TextExport 类用于将便签数据导出为文本。 + */ + private static class TextExport { + private static final String[] NOTE_PROJECTION = { + NoteColumns.ID, + NoteColumns.MODIFIED_DATE, + NoteColumns.SNIPPET, + NoteColumns.TYPE + }; + + private static final int NOTE_COLUMN_ID = 0; + private static final int NOTE_COLUMN_MODIFIED_DATE = 1; + private static final int NOTE_COLUMN_SNIPPET = 2; + + private static final String[] DATA_PROJECTION = { + DataColumns.CONTENT, + DataColumns.MIME_TYPE, + DataColumns.DATA1, + DataColumns.DATA2, + DataColumns.DATA3, + DataColumns.DATA4, + }; + + private static final int DATA_COLUMN_CONTENT = 0; + private static final int DATA_COLUMN_MIME_TYPE = 1; + private static final int DATA_COLUMN_CALL_DATE = 2; + private static final int DATA_COLUMN_PHONE_NUMBER = 4; + + private final String [] TEXT_FORMAT; + private static final int FORMAT_FOLDER_NAME = 0; + private static final int FORMAT_NOTE_DATE = 1; + private static final int FORMAT_NOTE_CONTENT = 2; + + private Context mContext; + private String mFileName; + private String mFileDirectory; + + public TextExport(Context context) { + TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note); + mContext = context; + mFileName = ""; // 初始化为空 + mFileDirectory = ""; + } + + /** + * 获取文本格式字符串。 + * @param id 格式ID + * @return 格式字符串 + */ + private String getFormat(int id) { + return TEXT_FORMAT[id]; + } + + /** + * 将指定文件夹的便签导出为文本。 + * @param folderId 文件夹ID + * @param ps 输出流 + */ + private void exportFolderToText(String folderId, PrintStream ps) { + // 查询属于该文件夹的便签 + Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI, + NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] { + folderId + }, null); + + if (notesCursor != null) { + if (notesCursor.moveToFirst()) { + do { + // 打印便签的最后修改日期 + ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format( + mContext.getString(R.string.format_datetime_mdhm), + notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)))); + // 查询属于该便签的数据 + String noteId = notesCursor.getString(NOTE_COLUMN_ID); + exportNoteToText(noteId, ps); // 将便签导出为文本 + } while (notesCursor.moveToNext()); + } + notesCursor.close(); + } + } + + /** + * 将指定便签导出为文本。 + * @param noteId 便签ID + * @param ps 输出流 + */ + private void exportNoteToText(String noteId, PrintStream ps) { + Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, + DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] { + noteId + }, null); + + if (dataCursor != null) { + if (dataCursor.moveToFirst()) { + do { + String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE); + if (DataConstants.CALL_NOTE.equals(mimeType)) { + // 打印电话号码 + String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER); + long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE); + String location = dataCursor.getString(DATA_COLUMN_CONTENT); + + if (!TextUtils.isEmpty(phoneNumber)) { + ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), + phoneNumber)); + } + // 打印通话日期 + ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), DateFormat + .format(mContext.getString(R.string.format_datetime_mdhm), + callDate))); + // 打印通话附件位置 + if (!TextUtils.isEmpty(location)) { + ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), + location)); + } + } else if (DataConstants.NOTE.equals(mimeType)) { + String content = dataCursor.getString(DATA_COLUMN_CONTENT); + if (!TextUtils.isEmpty(content)) { + ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), + content)); + } + } + } while (dataCursor.moveToNext()); + } + dataCursor.close(); + } + // 打印便签之间的分隔符 + try { + ps.write(new byte[] { + Character.LINE_SEPARATOR, Character.LETTER_NUMBER + }); + } catch (IOException e) { + Log.e(TAG, e.toString()); + } + } + + /** + * 将便签数据导出为文本。 + * @return 导出结果状态 + */ + public int exportToText() { + if (!externalStorageAvailable()) { + Log.d(TAG, "Media was not mounted"); + return STATE_SD_CARD_UNMOUONTED; + } + + PrintStream ps = getExportToTextPrintStream(); + if (ps == null) { + Log.e(TAG, "get print stream error"); + return STATE_SYSTEM_ERROR; + } + // 首先导出文件夹及其便签 + Cursor folderCursor = mContext.getContentResolver().query( + Notes.CONTENT_NOTE_URI, + NOTE_PROJECTION, + "(" + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + " AND " + + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLDER + ") OR " + + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER, null, null); + + if (folderCursor != null) { + if (folderCursor.moveToFirst( ) { + do { + // 打印文件夹名称 + String folderName = ""; + if(folderCursor.getLong(NOTE_COLUMN_ID) == Notes.ID_CALL_RECORD_FOLDER) { + folderName = mContext.getString(R.string.call_record_folder_name); + } else { + folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET); + } + if (!TextUtils.isEmpty(folderName)) { + ps.println(String.format(getFormat(FORMAT_FOLDER_NAME), folderName)); + } + String folderId = folderCursor.getString(NOTE_COLUMN_ID); + exportFolderToText(folderId, ps); + } while (folderCursor.moveToNext()); + } + folderCursor.close(); + } + + // 导出根目录下的便签 + Cursor noteCursor = mContext.getContentResolver().query( + Notes.CONTENT_NOTE_URI, + NOTE_PROJECTION, + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE + " AND " + NoteColumns.PARENT_ID + + "=0", null, null); + + if (noteCursor != null) { + if (noteCursor.moveToFirst()) { + do { + ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format( + mContext.getString(R.string.format_datetime_mdhm), + noteCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)))); + // 查询属于该便签的数据 + String noteId = noteCursor.getString(NOTE_COLUMN_ID); + exportNoteToText(noteId, ps); + } while (noteCursor.moveToNext()); + } + noteCursor.close(); + } + ps.close(); + + return STATE_SUCCESS; + } + + /** + * 获取指向导出文本文件的输出流。 + * @return 输出流 + */ + private PrintStream getExportToTextPrintStream() { + File file = generateFileMountedOnSDcard(mContext, R.string.file_path, + R.string.file_name_txt_format); + if (file == null) { + Log.e(TAG, "create file to exported failed"); + return null; + } + mFileName = file.getName(); + mFileDirectory = mContext.getString(R.string.file_path); + PrintStream ps = null; + try { + FileOutputStream fos = new FileOutputStream(file); + ps = new PrintStream(fos); + } catch (FileNotFoundException e) { + e.printStackTrace(); + return null; + } catch (NullPointerException e) { + e.printStackTrace(); + return null; + } + return ps; + } + } + + /** + * 在SD卡上生成用于存储导出数据的文本文件。 + * @param context 上下文 + * @param filePathResId 文件路径资源ID + * @param fileNameFormatResId 文件名格式资源ID + * @return 文件对象 + */ + private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) { + StringBuilder sb = new StringBuilder(); + sb.append(Environment.getExternalStorageDirectory()); // 外部（SD卡）的存储路径 + sb.append(context.getString(filePathResId)); // 文件的存储路径 + File filedir = new File(sb.toString()); // filedir用于存储路径信息 + sb.append(context.getString( + fileNameFormatResId, + DateFormat.format(context.getString(R.string.format_date_ymd), + System.currentTimeMillis()))); + File file = new File(sb.toString()); + + try { // 如果这些文件不存在，则新建 + if (!filedir.exists()) { + filedir.mkdir(); + } + if (!file.exists()) { + file.createNewFile(); + } + return file; + } catch (SecurityException e) { + e.printStackTrace(); + } catch (IOException e) { + e.printStackTrace(); + } + // 异常处理 + return null; + } +} \ No newline at end of file diff --git a/src/java/net/micode/notes/tool/DataUtils.java b/src/java/net/micode/notes/tool/DataUtils.java index a9c6a48..99cc4cc 100644 --- a/src/java/net/micode/notes/tool/DataUtils.java +++ b/src/java/net/micode/notes/tool/DataUtils.java @@ -5,7 +5,7 @@ * 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 + * 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, @@ -13,9 +13,8 @@ * See the License for the specific language governing permissions and * limitations under the License. */ -/*该类定义在 net.micode.notes.tool 包下，并导入了Android和Java的一些核心类。这些导入的类提供了对内容提供者操作、日志记录、游标以及存储值的支持。 */ package net.micode.notes.tool; -/*定义了一个公共类 DataUtils，并创建了一个常量 TAG 用于日志记录。 */ + import android.content.ContentProviderOperation; import android.content.ContentProviderResult; import android.content.ContentResolver; @@ -34,11 +33,19 @@ import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute; import java.util.ArrayList; import java.util.HashSet; -/*这个方法实现了根据一组ID批量删除笔记的功能。 -它首先检查ID集合是否为空，并创建一个操作列表。 -通过 ContentResolver 执行删除操作，成功后返回 true，失败则返回 false。 */ +/** + * DataUtils 类提供了一系列用于操作便签数据的工具方法。 + * 包括批量删除便签、移动便签、查询便签等。 + */ public class DataUtils { public static final String TAG = "DataUtils"; + + /** + * 批量删除便签。 + * @param resolver ContentResolver对象 + * @param ids 需要删除的便签ID集合 + * @return 删除成功返回true，否则返回false + */ public static boolean batchDeleteNotes(ContentResolver resolver, HashSet ids) { if (ids == null) { Log.d(TAG, "the ids is null"); @@ -73,9 +80,14 @@ public class DataUtils { } return false; } -/*此方法将指定的笔记移动到目标文件夹。 -更新笔记的父文件夹ID并标记为本地修改。 */ -/*查询非系统文件夹的数量。异常处理用于确保在查询失败时释放游标资源。 */ + + /** + * 将便签移动到指定文件夹。 + * @param resolver ContentResolver对象 + * @param id 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) { ContentValues values = new ContentValues(); values.put(NoteColumns.PARENT_ID, desFolderId); @@ -85,301 +97,294 @@ public class DataUtils { } /** - * @method: batchMoveToFolder - * @description: 将ids里标注的文件移至folderId指定的文件夹 - * @date: 2024/12/26 3:32 - * @author: zhoukexing - * @param: [resolver, ids, folderId] - * @return: boolean + * 批量将便签移动到指定文件夹。 + * @param resolver ContentResolver对象 + * @param ids 需要移动的便签ID集合 + * @param folderId 目标文件夹ID + * @return 移动成功返回true，否则返回false */ - /*检查数据库中是否存在特定类型的可见笔记。 */ -/** - * 批量将便签移动到指定文件夹 - * @param resolver ContentResolver对象 - * @param ids 需要移动的便签ID集合 - * @param folderId 目标文件夹ID - * @return 是否移动成功 - */ -public static boolean batchMoveToFolder(ContentResolver resolver, HashSet ids, long folderId) { - if (ids == null) { - Log.d(TAG, "the ids is null"); - return true; - } + public static boolean batchMoveToFolder(ContentResolver resolver, HashSet ids, long folderId) { + if (ids == null) { + Log.d(TAG, "the ids is null"); + return true; + } - ArrayList operationList = new ArrayList(); - for (long id : ids) { - ContentProviderOperation.Builder builder = ContentProviderOperation - .newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); - builder.withValue(NoteColumns.PARENT_ID, folderId); - builder.withValue(NoteColumns.LOCAL_MODIFIED, 1); - operationList.add(builder.build()); - } + ArrayList operationList = new ArrayList(); + for (long id : ids) { + ContentProviderOperation.Builder builder = ContentProviderOperation + .newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); + builder.withValue(NoteColumns.PARENT_ID, folderId); + builder.withValue(NoteColumns.LOCAL_MODIFIED, 1); + operationList.add(builder.build()); + } - try { - ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); - if (results == null || results.length == 0 || results[0] == null) { - Log.d(TAG, "delete notes failed, ids:" + ids.toString()); - return false; + try { + ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); + if (results == null || results.length == 0 || results[0] == null) { + Log.d(TAG, "move 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 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; } - return false; -} -/** - * 获取用户文件夹的数量（不包括系统文件夹） - * @param resolver ContentResolver对象 - * @return 用户文件夹的数量 - */ -public static int getUserFolderCount(ContentResolver resolver) { - Cursor cursor =resolver.query(Notes.CONTENT_NOTE_URI, - new String[] { "COUNT(*)" }, - NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?", - new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)}, - null); + /** + * 获取用户文件夹的数量（不包括系统文件夹）。 + * @param resolver ContentResolver对象 + * @return 用户文件夹的数量 + */ + public static int getUserFolderCount(ContentResolver resolver) { + Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, + new String[] { "COUNT(*)" }, + NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?", + new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLDER)}, + null); - int count = 0; - if(cursor != null) { - if(cursor.moveToFirst()) { - try { - count = cursor.getInt(0); - } catch (IndexOutOfBoundsException e) { - Log.e(TAG, "get folder count failed:" + e.toString()); - } finally { - cursor.close(); + int count = 0; + if(cursor != null) { + if(cursor.moveToFirst()) { + try { + count = cursor.getInt(0); + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, "get folder count failed:" + e.toString()); + } finally { + cursor.close(); + } } } + return count; } - return count; -} -/** - * 检查数据库中是否存在指定ID和类型的便签 - * @param resolver ContentResolver对象 - * @param noteId 便签ID - * @param type 便签类型 - * @return 是否存在 - */ -public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) { - Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), - null, - NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER, - new String [] {String.valueOf(type)}, - null); + /** + * 检查数据库中是否存在指定ID和类型的便签。 + * @param resolver ContentResolver对象 + * @param noteId 便签ID + * @param type 便签类型 + * @return 存在返回true，否则返回false + */ + public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) { + Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), + null, + NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLDER, + new String [] {String.valueOf(type)}, + null); - boolean exist = false; - if (cursor != null) { - if (cursor.getCount() > 0) { - exist = true; + boolean exist = false; + if (cursor != null) { + if (cursor.getCount() > 0) { + exist = true; + } + cursor.close(); } - cursor.close(); + return exist; } - return exist; -} -/** - * 检查数据库中是否存在指定ID的便签 - * @param resolver ContentResolver对象 - * @param noteId 便签ID - * @return 是否存在 - */ -public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) { - Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), - null, null, null, null); + /** + * 检查数据库中是否存在指定ID的便签。 + * @param resolver ContentResolver对象 + * @param noteId 便签ID + * @return 存在返回true，否则返回false + */ + public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) { + Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), + null, null, null, null); - boolean exist = false; - if (cursor != null) { - if (cursor.getCount() > 0) { - exist = true; + boolean exist = false; + if (cursor != null) { + if (cursor.getCount() > 0) { + exist = true; + } + cursor.close(); } - cursor.close(); + return exist; } - return exist; -} -/** - * 检查数据库中是否存在指定ID的数据 - * @param resolver ContentResolver对象 - * @param dataId 数据ID - * @return 是否存在 - */ -public static boolean existInDataDatabase(ContentResolver resolver, long dataId) { - Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), - null, null, null, null); + /** + * 检查数据库中是否存在指定ID的数据。 + * @param resolver ContentResolver对象 + * @param dataId 数据ID + * @return 存在返回true，否则返回false + */ + 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; + boolean exist = false; + if (cursor != null) { + if (cursor.getCount() > 0) { + exist = true; + } + cursor.close(); } - cursor.close(); + return exist; } - return exist; -} -/** - * 检查数据库中是否存在指定名称的可见文件夹 - * @param resolver ContentResolver对象 - * @param name 文件夹名称 - * @return 是否存在 - */ -public static boolean checkVisibleFolderName(ContentResolver resolver, String name) { - Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null, - NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + - " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + - " AND " + NoteColumns.SNIPPET + "=?", - new String[] { name }, null); - boolean exist = false; - if(cursor != null) { - if(cursor.getCount() > 0) { - exist = true; + /** + * 检查数据库中是否存在指定名称的可见文件夹。 + * @param resolver ContentResolver对象 + * @param name 文件夹名称 + * @return 存在返回true，否则返回false + */ + public static boolean checkVisibleFolderName(ContentResolver resolver, String name) { + Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null, + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLDER + + " AND " + NoteColumns.SNIPPET + "=?", + new String[] { name }, null); + boolean exist = false; + if(cursor != null) { + if(cursor.getCount() > 0) { + + exist = true; + } + cursor.close(); } - cursor.close(); + return exist; } - return exist; -} -/** - * 获取指定文件夹中的小部件属性集合 - * @param resolver ContentResolver对象 - * @param folderId 文件夹ID - * @return 小部件属性集合 - */ -public static HashSet getFolderNoteWidget(ContentResolver resolver, long folderId) { - Cursor c = resolver.query(Notes.CONTENT_NOTE_URI, - new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE }, - NoteColumns.PARENT_ID + "=?", - new String[] { String.valueOf(folderId) }, - null); + /** + * 获取指定文件夹中的小部件属性集合。 + * @param resolver ContentResolver对象 + * @param folderId 文件夹ID + * @return 小部件属性集合 + */ + public static HashSet getFolderNoteWidget(ContentResolver resolver, long folderId) { + Cursor c = resolver.query(Notes.CONTENT_NOTE_URI, + new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE }, + NoteColumns.PARENT_ID + "=?", + new String[] { String.valueOf(folderId) }, + null); - HashSet set = null; - if (c != null) { - if (c.moveToFirst()) { - set = new HashSet(); - do { - try { - AppWidgetAttribute widget = new AppWidgetAttribute(); - widget.widgetId = c.getInt(0); - widget.widgetType = c.getInt(1); - set.add(widget); - } catch (IndexOutOfBoundsException e) { - Log.e(TAG, e.toString()); - } - } while (c.moveToNext()); + HashSet set = null; + if (c != null) { + if (c.moveToFirst()) { + set = new HashSet(); + do { + try { + AppWidgetAttribute widget = new AppWidgetAttribute(); + widget.widgetId = c.getInt(0); + widget.widgetType = c.getInt(1); + set.add(widget); + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, e.toString()); + } + } while (c.moveToNext()); + } + c.close(); } - c.close(); + return set; } - return set; -} -/** - * 根据便签ID获取电话号码 - * @param resolver ContentResolver对象 - * @param noteId 便签ID - * @return 电话号码 - */ -public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) { - Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI, - new String [] { CallNote.PHONE_NUMBER }, - CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?", - new String [] { String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE }, - null); + /** + * 根据便签ID获取电话号码。 + * @param resolver ContentResolver对象 + * @param noteId 便签ID + * @return 电话号码 + */ + public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) { + Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI, + new String [] { CallNote.PHONE_NUMBER }, + CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?", + new String [] { String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE }, + null); - if (cursor != null && cursor.moveToFirst()) { - try { - return cursor.getString(0); - } catch (IndexOutOfBoundsException e) { - Log.e(TAG, "Get call number fails " + e.toString()); - } finally { - cursor.close(); + if (cursor != null && cursor.moveToFirst()) { + try { + return cursor.getString(0); + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, "Get call number fails " + e.toString()); + } finally { + cursor.close(); + } } + return ""; } - return ""; -} -/** - * 根据电话号码和通话日期获取便签ID - * @param resolver ContentResolver对象 - * @param phoneNumber 电话号码 - * @param callDate 通话日期 - * @return 便签ID - */ -public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) { - Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI, - new String [] { CallNote.NOTE_ID }, - CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL(" - + CallNote.PHONE_NUMBER + ",?)", - new String [] { String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber }, - null); + /** + * 根据电话号码和通话日期获取便签ID。 + * @param resolver ContentResolver对象 + * @param phoneNumber 电话号码 + * @param callDate 通话日期 + * @return 便签ID + */ + public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) { + Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI, + new String [] { CallNote.NOTE_ID }, + CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL(" + + CallNote.PHONE_NUMBER + ",?)", + new String [] { String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber }, + null); - if (cursor != null) { - if (cursor.moveToFirst()) { - try { - return cursor.getLong(0); - } catch (IndexOutOfBoundsException e) { - Log.e(TAG, "Get call note id fails " + e.toString()); + if (cursor != null) { + if (cursor.moveToFirst()) { + try { + return cursor.getLong(0); + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, "Get call note id fails " + e.toString()); + } } + cursor.close(); } - cursor.close(); + return 0; } - return 0; -} -/** - * 根据便签ID获取便签摘要 - * @param resolver ContentResolver对象 - * @param noteId 便签ID - * @return 便签摘要 - */ -public static String getSnippetById(ContentResolver resolver, long noteId) { - Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, - new String [] { NoteColumns.SNIPPET }, - NoteColumns.ID + "=?", - new String [] { String.valueOf(noteId)}, - null); + /** + * 根据便签ID获取便签摘要。 + * @param resolver ContentResolver对象 + * @param noteId 便签ID + * @return 便签摘要 + */ + public static String getSnippetById(ContentResolver resolver, long noteId) { + Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, + new String [] { NoteColumns.SNIPPET }, + NoteColumns.ID + "=?", + new String [] { String.valueOf(noteId)}, + null); - if (cursor != null) { - String snippet = ""; - if (cursor.moveToFirst()) { - snippet = cursor.getString(0); + if (cursor != null) { + String snippet = ""; + if (cursor.moveToFirst()) { + snippet = cursor.getString(0); + } + cursor.close(); + return snippet; } - cursor.close(); - return snippet; + throw new IllegalArgumentException("Note is not found with id: " + noteId); } - throw new IllegalArgumentException("Note is not found with id: " + noteId); -} -/** - * 格式化便签摘要 - * @param snippet 便签摘要 - * @return 格式化后的便签摘要 - */ -public static String getFormattedSnippet(String snippet) { - if (snippet != null) { - snippet = snippet.trim(); - int index = snippet.indexOf('\n'); - if (index != -1) { - snippet = snippet.substring(0, index); + /** + * 格式化便签摘要。 + * @param snippet 便签摘要 + * @return 格式化后的便签摘要 + */ + public static String getFormattedSnippet(String snippet) { + if (snippet != null) { + snippet = snippet.trim(); + int index = snippet.indexOf('\n'); + if (index != -1) { + snippet = snippet.substring(0, index); + } } + return snippet; } - return snippet; -} -/** - * 在数据库中搜索包含指定查询内容的便签 - * @param resolver ContentResolver对象 - * @param query 查询内容 - * @return 包含查询结果的Cursor对象 - */ -public static Cursor searchInNoteDatabase(ContentResolver resolver, String query) { - Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI, - new String[]{NoteColumns.ID}, - Notes.DataColumns.CONTENT + " LIKE'%" + query +"%'", - null, - null); - return cursor; + /** + * 在数据库中搜索包含指定查询内容的便签。 + * @param resolver ContentResolver对象 + * @param query 查询内容 + * @return 包含查询结果的Cursor对象 + */ + public static Cursor searchInNoteDatabase(ContentResolver resolver, String query) { + Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI, + new String[]{NoteColumns.ID}, + Notes.DataColumns.CONTENT + " LIKE'%" + query +"%'", + null, + null); + return cursor; + } } \ No newline at end of file