diff --git a/Notes-master/src/net/micode/notes/model/Note.java b/Notes-master/src/net/micode/notes/model/Note.java
index 6ca854c..978dbf7 100644
--- a/Notes-master/src/net/micode/notes/model/Note.java
+++ b/Notes-master/src/net/micode/notes/model/Note.java
@@ -13,7 +13,7 @@
  * 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;
@@ -24,20 +24,21 @@ 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;
-
+ 
 // 代表一个笔记，包含笔记的基本信息和笔记数据
 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
      */
@@ -51,7 +52,7 @@ public class 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));
@@ -64,59 +65,59 @@ public class Note {
         }
         return noteId;
     }
-
+ 
     public Note() {
         mNoteDiffValues = new ContentValues();
         mNoteData = new NoteData();
     }
-
+ 
     // 设置笔记的基本信息
     public void setNoteValue(String key, String value) {
         mNoteDiffValues.put(key, value);
         mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
         mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
     }
-
+ 
     // 设置文本笔记的数据
     public void setTextData(String key, String value) {
         mNoteData.setTextData(key, value);
     }
-
+ 
     // 设置文本笔记的数据ID
     public void setTextDataId(long id) {
         mNoteData.setTextDataId(id);
     }
-
+ 
     // 获取文本笔记的数据ID
     public long getTextDataId() {
         return mNoteData.mTextDataId;
     }
-
+ 
     // 设置通话笔记的数据ID
     public void setCallDataId(long id) {
         mNoteData.setCallDataId(id);
     }
-
+ 
     // 设置通话笔记的数据
     public void setCallData(String key, String value) {
         mNoteData.setCallData(key, value);
     }
-
+ 
     // 判断笔记是否被本地修改过
     public boolean isLocalModified() {
         return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
     }
-
+ 
     // 同步笔记到数据库
     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
@@ -129,39 +130,39 @@ public class Note {
             // Do not return, fall through
         }
         mNoteDiffValues.clear();
-
+ 
         if (mNoteData.isLocalModified()
                 && (mNoteData.pushIntoContentResolver(context, noteId) == null)) {
             return false;
         }
-
+ 
         return true;
     }
-
+ 
     // 笔记数据类，包含文本数据和通话数据
     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;
         }
-
+ 
         // 判断笔记数据是否被本地修改过
         boolean isLocalModified() {
             return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
         }
-
+ 
         // 设置文本数据ID
         void setTextDataId(long id) {
             if(id <= 0) {
@@ -169,7 +170,7 @@ public class Note {
             }
             mTextDataId = id;
         }
-
+ 
         // 设置通话数据ID
         void setCallDataId(long id) {
             if (id <= 0) {
@@ -177,21 +178,21 @@ public class Note {
             }
             mCallDataId = id;
         }
-
+ 
         // 设置通话数据
         void setCallData(String key, String value) {
             mCallDataValues.put(key, value);
             mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
             mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
         }
-
+ 
         // 设置文本数据
         void setTextData(String key, String value) {
             mTextDataValues.put(key, value);
             mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
             mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
         }
-
+ 
         // 将笔记数据推送到内容解析器
         Uri pushIntoContentResolver(Context context, long noteId) {
             /**
@@ -200,10 +201,10 @@ public class Note {
             if (noteId <= 0) {
                 throw new IllegalArgumentException("Wrong note id:" + noteId);
             }
-
+ 
             ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
             ContentProviderOperation.Builder builder = null;
-
+ 
             if(mTextDataValues.size() > 0) {
                 mTextDataValues.put(DataColumns.NOTE_ID, noteId);
                 if (mTextDataId == 0) {
@@ -225,7 +226,7 @@ public class Note {
                 }
                 mTextDataValues.clear();
             }
-
+ 
             if(mCallDataValues.size() > 0) {
                 mCallDataValues.put(DataColumns.NOTE_ID, noteId);
                 if (mCallDataId == 0) {
@@ -247,7 +248,7 @@ public class Note {
                 }
                 mCallDataValues.clear();
             }
-
+ 
             if (operationList.size() > 0) {
                 try {
                     ContentProviderResult[] results = context.getContentResolver().applyBatch(
diff --git a/Notes-master/src/net/micode/notes/model/WorkingNote.java b/Notes-master/src/net/micode/notes/model/WorkingNote.java
index 606b742..4e90541 100644
--- a/Notes-master/src/net/micode/notes/model/WorkingNote.java
+++ b/Notes-master/src/net/micode/notes/model/WorkingNote.java
@@ -13,16 +13,16 @@
  * 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;
@@ -30,7 +30,7 @@ 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;
-  
+   
 // 表示正在编辑的笔记类
 public class WorkingNote {
     // Note for the working note
@@ -41,27 +41,27 @@ public class WorkingNote {
     private String mContent;
     // Note mode
     private int mMode;
-  
+   
     private long mAlertDate;
-  
+   
     private long mModifiedDate;
-  
+   
     private int mBgColorId;
-  
+   
     private int mWidgetId;
-  
+   
     private int mWidgetType;
-  
+   
     private long mFolderId;
-  
+   
     private Context mContext;
-  
+   
     private static final String TAG = "WorkingNote";
-  
+   
     private boolean mIsDeleted;
-  
+   
     private NoteSettingChangedListener mNoteSettingStatusListener;
-  
+   
     // 数据库查询笔记数据的列
     public static final String[] DATA_PROJECTION = new String[] {
             DataColumns.ID,
@@ -72,7 +72,7 @@ public class WorkingNote {
             DataColumns.DATA3,
             DataColumns.DATA4,
     };
-  
+   
     // 数据库查询笔记信息的列
     public static final String[] NOTE_PROJECTION = new String[] {
             NoteColumns.PARENT_ID,
@@ -82,27 +82,27 @@ public class WorkingNote {
             NoteColumns.WIDGET_TYPE,
             NoteColumns.MODIFIED_DATE
     };
-  
+   
     private static final int DATA_ID_COLUMN = 0;
-  
+   
     private static final int DATA_CONTENT_COLUMN = 1;
-  
+   
     private static final int DATA_MIME_TYPE_COLUMN = 2;
-  
+   
     private static final int DATA_MODE_COLUMN = 3;
-  
+   
     private static final int NOTE_PARENT_ID_COLUMN = 0;
-  
+   
     private static final int NOTE_ALERTED_DATE_COLUMN = 1;
-  
+   
     private static final int NOTE_BG_COLOR_ID_COLUMN = 2;
-  
+   
     private static final int NOTE_WIDGET_ID_COLUMN = 3;
-  
+   
     private static final int NOTE_WIDGET_TYPE_COLUMN = 4;
-  
+   
     private static final int NOTE_MODIFIED_DATE_COLUMN = 5;
-  
+   
     // 新笔记构造方法
     private WorkingNote(Context context, long folderId) {
         mContext = context;
@@ -115,7 +115,7 @@ public class WorkingNote {
         mMode = 0;
         mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
     }
-  
+   
     // 已有笔记构造方法
     private WorkingNote(Context context, long noteId, long folderId) {
         mContext = context;
@@ -125,13 +125,13 @@ public class WorkingNote {
         mNote = new Note();
         loadNote();
     }
-  
+   
     // 从数据库加载笔记信息
     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);
@@ -148,14 +148,14 @@ public class WorkingNote {
         }
         loadNoteData();
     }
-  
+   
     // 从数据库加载笔记数据
     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 {
@@ -177,7 +177,7 @@ public class WorkingNote {
             throw new IllegalArgumentException("Unable to find note's data with id " + mNoteId);
         }
     }
-  
+   
     // 创建一个空笔记
     public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId,
             int widgetType, int defaultBgColorId) {
@@ -187,12 +187,12 @@ public class WorkingNote {
         note.setWidgetType(widgetType);
         return note;
     }
-  
+   
     // 从数据库加载笔记
     public static WorkingNote load(Context context, long id) {
         return new WorkingNote(context, id, 0);
     }
-  
+   
     // 保存笔记到数据库
     public synchronized boolean saveNote() {
         if (isWorthSaving()) {
@@ -202,9 +202,9 @@ public class WorkingNote {
                     return false;
                 }
             }
-  
+   
             mNote.syncNote(mContext, mNoteId);
-  
+   
             /**
              * Update widget content if there exist any widget of this note
              */
@@ -218,12 +218,12 @@ public class WorkingNote {
             return false;
         }
     }
-  
+   
     // 判断笔记是否存在于数据库中
     public boolean existInDatabase() {
         return mNoteId > 0;
     }
-  
+   
     // 判断笔记是否值得保存
     private boolean isWorthSaving() {
         if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent))
@@ -233,12 +233,12 @@ public class WorkingNote {
             return true;
         }
     }
-  
+   
     // 设置笔记信息改变监听器
     public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) {
         mNoteSettingStatusListener = l;
     }
-  
+   
     // 设置闹钟提醒日期
     public void setAlertDate(long date, boolean set) {
         if (date != mAlertDate) {
@@ -249,7 +249,7 @@ public class WorkingNote {
             mNoteSettingStatusListener.onClockAlertChanged(date, set);
         }
     }
-  
+   
     // 标记笔记是否已删除
     public void markDeleted(boolean mark) {
         mIsDeleted = mark;
@@ -258,7 +258,7 @@ public class WorkingNote {
                 mNoteSettingStatusListener.onWidgetChanged();
         }
     }
-  
+   
     // 设置笔记背景颜色ID
     public void setBgColorId(int id) {
         if (id != mBgColorId) {
@@ -269,7 +269,7 @@ public class WorkingNote {
             mNote.setNoteValue(NoteColumns.BG_COLOR_ID, String.valueOf(id));
         }
     }
-  
+   
     // 设置笔记的检查列表模式
     public void setCheckListMode(int mode) {
         if (mMode != mode) {
@@ -280,23 +280,23 @@ public class WorkingNote {
             mNote.setTextData(TextNote.MODE, String.valueOf(mMode));
         }
     }
-  
-    // 设置笔记的窗口小部件类型
+   
+    // 设置窗口小部件类型
     public void setWidgetType(int type) {
         if (type != mWidgetType) {
             mWidgetType = type;
             mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType));
         }
     }
-  
-    // 设置笔记的窗口小部件ID
+   
+    // 设置窗口小部件ID
     public void setWidgetId(int id) {
         if (id != mWidgetId) {
             mWidgetId = id;
             mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId));
         }
     }
-  
+   
     // 设置工作文本内容
     public void setWorkingText(String text) {
         if (!TextUtils.equals(mContent, text)) {
@@ -304,91 +304,91 @@ public class WorkingNote {
             mNote.setTextData(DataColumns.CONTENT, mContent);
         }
     }
-  
+   
     // 将笔记转换为通话笔记
     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));
     }
-  
+   
     // 检查笔记是否有闹钟提醒
     public boolean hasClockAlert() {
         return (mAlertDate > 0 ? true : false);
     }
-  
+   
     // 获取笔记内容
     public String getContent() {
         return mContent;
     }
-  
+   
     // 获取闹钟提醒日期
     public long getAlertDate() {
         return mAlertDate;
     }
-  
+   
     // 获取笔记修改日期
     public long getModifiedDate() {
         return mModifiedDate;
     }
-  
+   
     // 获取笔记背景颜色资源ID
     public int getBgColorResId() {
         return NoteBgResources.getNoteBgResource(mBgColorId);
     }
-  
+   
     // 获取笔记背景颜色ID
     public int getBgColorId() {
         return mBgColorId;
     }
-  
+   
     // 获取笔记标题背景颜色资源ID
     public int getTitleBgResId() {
         return NoteBgResources.getNoteTitleBgResource(mBgColorId);
     }
-  
+   
     // 获取检查列表模式
     public int getCheckListMode() {
         return mMode;
     }
-  
+   
     // 获取笔记ID
     public long getNoteId() {
         return mNoteId;
     }
-  
+   
     // 获取笔记所在的文件夹ID
     public long getFolderId() {
         return mFolderId;
     }
-  
+   
     // 获取窗口小部件ID
     public int getWidgetId() {
         return mWidgetId;
     }
-  
+   
     // 获取窗口小部件类型
     public int getWidgetType() {
         return mWidgetType;
     }
-  
+   
     // 笔记信息改变监听器接口
     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
diff --git a/Notes-master/src/net/micode/notes/ui/AlarmAlertActivity.java b/Notes-master/src/net/micode/notes/ui/AlarmAlertActivity.java
index d0e4fdb..7cdca97 100644
--- a/Notes-master/src/net/micode/notes/ui/AlarmAlertActivity.java
+++ b/Notes-master/src/net/micode/notes/ui/AlarmAlertActivity.java
@@ -13,9 +13,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+  
 package net.micode.notes.ui;
- 
+  
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.content.Context;
@@ -32,13 +32,13 @@ import android.os.PowerManager;
 import android.provider.Settings;
 import android.view.Window;
 import android.view.WindowManager;
- 
+  
 import net.micode.notes.R;
 import net.micode.notes.data.Notes;
 import net.micode.notes.tool.DataUtils;
- 
+  
 import java.io.IOException;
- 
+  
 /**
  * 闹钟提醒活动类，继承自Activity，实现了OnClickListener和OnDismissListener接口。
  * 该活动用于在闹钟响起时显示提醒对话框，并播放默认的闹钟声音。
@@ -48,7 +48,7 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
     private String mSnippet; // 保存笔记的摘要
     private static final int SNIPPET_PREW_MAX_LEN = 60; // 笔记摘要的最大长度
     MediaPlayer mPlayer; // 用于播放闹钟声音的MediaPlayer实例
- 
+  
     /**
      * 创建活动时调用的方法。
      * @param savedInstanceState 保存的实例状态数据包
@@ -57,10 +57,10 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         requestWindowFeature(Window.FEATURE_NO_TITLE); // 请求无标题窗口
- 
+  
         final Window win = getWindow(); // 获取当前窗口
         win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); // 设置窗口在锁屏时显示
- 
+  
         // 如果屏幕未点亮，则添加更多标志以保持屏幕点亮并允许在锁屏时操作
         if (!isScreenOn()) {
             win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
@@ -68,9 +68,9 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
                     | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
                     | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
         }
- 
+  
         Intent intent = getIntent(); // 获取启动该活动的Intent
- 
+  
         try {
             mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); // 从Intent中提取笔记ID
             mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId); // 根据笔记ID获取摘要
@@ -82,7 +82,7 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
             e.printStackTrace(); // 打印异常信息
             return; // 如果发生异常，则结束该方法
         }
- 
+  
         mPlayer = new MediaPlayer(); // 创建MediaPlayer实例
         // 检查数据库中是否存在指定ID的笔记
         if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
@@ -92,7 +92,7 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
             finish(); // 如果笔记不存在，则结束该活动
         }
     }
- 
+  
     /**
      * 检查屏幕是否点亮。
      * @return 如果屏幕点亮则返回true，否则返回false
@@ -101,18 +101,18 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
         PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); // 获取电源管理服务
         return pm.isScreenOn(); // 返回屏幕是否点亮的状态
     }
- 
+  
     /**
      * 播放闹钟声音的方法。
      */
     private void playAlarmSound() {
         // 获取实际的默认闹钟铃声URI
         Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
- 
+  
         // 获取当前设置的静音模式影响的音频流类型
         int silentModeStreams = Settings.System.getInt(getContentResolver(),
                 Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
- 
+  
         // 如果静音模式影响了闹钟音频流，则设置MediaPlayer的音频流类型为silentModeStreams
         // 否则，设置为AudioManager.STREAM_ALARM
         if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) {
@@ -135,7 +135,7 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
             e.printStackTrace(); // 打印异常信息
         }
     }
- 
+  
     /**
      * 显示操作对话框的方法。
      */
@@ -150,7 +150,7 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
         }
         dialog.show().setOnDismissListener(this); // 显示对话框并设置对话框消失监听器
     }
- 
+  
     /**
      * 实现OnClickListener接口的方法，处理对话框按钮点击事件。
      * @param dialog 触发点击事件的对话框
@@ -168,7 +168,7 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
                 break;
         }
     }
- 
+  
     /**
      * 实现OnDismissListener接口的方法，处理对话框消失事件。
      * @param dialog 消失的对话框
@@ -177,7 +177,7 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
         stopAlarmSound(); // 停止播放闹钟声音
         finish(); // 结束该活动
     }
- 
+  
     /**
      * 停止并释放MediaPlayer的方法。
      */
diff --git a/Notes-master/src/net/micode/notes/widget/NoteWidgetProvider.java b/Notes-master/src/net/micode/notes/widget/NoteWidgetProvider.java
index c5dfddd..549630d 100644
--- a/Notes-master/src/net/micode/notes/widget/NoteWidgetProvider.java
+++ b/Notes-master/src/net/micode/notes/widget/NoteWidgetProvider.java
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-  
+
 package net.micode.notes.widget;
 import android.app.PendingIntent;
 import android.appwidget.AppWidgetManager;
@@ -24,14 +24,14 @@ import android.content.Intent;
 import android.database.Cursor;
 import android.util.Log;
 import android.widget.RemoteViews;
-  
+
 import net.micode.notes.R;
 import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.NoteColumns;
 import net.micode.notes.tool.ResourceParser;
 import net.micode.notes.ui.NoteEditActivity;
 import net.micode.notes.ui.NotesListActivity;
-  
+
 // 提供笔记小部件功能的抽象类，继承自AppWidgetProvider
 public abstract class NoteWidgetProvider extends AppWidgetProvider {
     // 查询笔记时使用的投影列
@@ -40,15 +40,15 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
         NoteColumns.BG_COLOR_ID,
         NoteColumns.SNIPPET
     };
-  
+
     // 投影列对应的索引
     public static final int COLUMN_ID           = 0;
     public static final int COLUMN_BG_COLOR_ID  = 1;
     public static final int COLUMN_SNIPPET      = 2;
-  
+
     // 日志标签
     private static final String TAG = "NoteWidgetProvider";
-  
+
     // 当小部件被删除时调用，更新数据库中的小部件ID为无效值
     @Override
     public void onDeleted(Context context, int[] appWidgetIds) {
@@ -61,7 +61,7 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
                     new String[] { String.valueOf(appWidgetIds[i])});
         }
     }
-  
+
     // 根据小部件ID获取笔记信息
     private Cursor getNoteWidgetInfo(Context context, int widgetId) {
         return context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
@@ -70,12 +70,12 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
                 new String[] { String.valueOf(widgetId), String.valueOf(Notes.ID_TRASH_FOLER) },
                 null);
     }
-  
+
     // 更新小部件视图
     protected void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
         update(context, appWidgetManager, appWidgetIds, false);
     }
-  
+
     // 更新小部件视图，支持隐私模式
     private void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds,
             boolean privacyMode) {
@@ -87,7 +87,7 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
                 intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
                 intent.putExtra(Notes.INTENT_EXTRA_WIDGET_ID, appWidgetIds[i]);
                 intent.putExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, getWidgetType());
-  
+
                 Cursor c = getNoteWidgetInfo(context, appWidgetIds[i]);
                 if (c != null && c.moveToFirst()) {
                     if (c.getCount() > 1) {
@@ -103,11 +103,11 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
                     snippet = context.getResources().getString(R.string.widget_havenot_content);
                     intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
                 }
-  
+
                 if (c != null) {
                     c.close();
                 }
-  
+
                 RemoteViews rv = new RemoteViews(context.getPackageName(), getLayoutId());
                 rv.setImageViewResource(R.id.widget_bg_image, getBgResourceId(bgId));
                 intent.putExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, bgId);
@@ -125,19 +125,19 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
                     pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], intent,
                             PendingIntent.FLAG_UPDATE_CURRENT);
                 }
-  
+
                 rv.setOnClickPendingIntent(R.id.widget_text, pendingIntent);
                 appWidgetManager.updateAppWidget(appWidgetIds[i], rv);
             }
         }
     }
-  
+
     // 获取背景资源ID的方法，由子类实现
     protected abstract int getBgResourceId(int bgId);
-  
+
     // 获取布局ID的方法，由子类实现
     protected abstract int getLayoutId();
-  
+
     // 获取小部件类型的ID，由子类实现
     protected abstract int getWidgetType();
 }
\ No newline at end of file