diff --git a/src/Notes/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java b/src/Notes/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java
index 85723be..a28cb9f 100644
--- a/src/Notes/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java
+++ b/src/Notes/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java
@@ -41,34 +41,44 @@ import java.io.IOException;
 
 
 public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
-    private long mNoteId;
-    private String mSnippet;
+    private long mNoteId;      //文本在数据库存储中的ID号
+    private String mSnippet;   //闹钟提示时出现的文本片段
     private static final int SNIPPET_PREW_MAX_LEN = 60;
     MediaPlayer mPlayer;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        //Bundle类型的数据与Map类型的数据相似，都是以key-value的形式存储数据的
+        //onsaveInstanceState方法是用来保存Activity的状态的
+        //能从onCreate的参数savedInsanceState中获得状态数据
         requestWindowFeature(Window.FEATURE_NO_TITLE);
+        //界面显示——无标题
 
         final Window win = getWindow();
         win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
 
         if (!isScreenOn()) {
             win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
+                    //保持窗体点亮
                     | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
+                    //将窗体点亮
                     | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
+                    //允许窗体点亮时锁屏
                     | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
-        }
+        }//在手机锁屏后如果到了闹钟提示时间，点亮屏幕
 
         Intent intent = getIntent();
 
         try {
             mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
             mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
+            //根据ID从数据库中获取标签的内容；
+            //getContentResolver（）是实现数据共享，实例存储。
             mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
                     SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
                     : mSnippet;
+            //判断标签片段是否达到符合长度
         } catch (IllegalArgumentException e) {
             e.printStackTrace();
             return;
@@ -77,20 +87,25 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
         mPlayer = new MediaPlayer();
         if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
             showActionDialog();
+            //弹出对话框
             playAlarmSound();
+            //闹钟提示音激发
         } else {
             finish();
+            //完成闹钟动作
         }
     }
 
     private boolean isScreenOn() {
+        //判断屏幕是否锁屏，调用系统函数判断，最后返回值是布尔类型
         PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
         return pm.isScreenOn();
     }
 
     private void playAlarmSound() {
+        //闹钟提示音激发
         Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
-
+        //调用系统的铃声管理URI，得到闹钟提示音
         int silentModeStreams = Settings.System.getInt(getContentResolver(),
                 Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
 
@@ -101,12 +116,19 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
         }
         try {
             mPlayer.setDataSource(this, url);
+            //方法：setDataSource(Context context, Uri uri)
+            //解释：无返回值，设置多媒体数据来源【根据 Uri】
             mPlayer.prepare();
+            //准备同步
             mPlayer.setLooping(true);
+            //设置是否循环播放
             mPlayer.start();
+            //开始播放
         } catch (IllegalArgumentException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
+            //e.printStackTrace()函数功能是抛出异常， 还将显示出更深的调用信息
+            //System.out.println(e)，这个方法打印出异常，并且输出在哪里出现的异常
         } catch (SecurityException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
@@ -121,37 +143,57 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
 
     private void showActionDialog() {
         AlertDialog.Builder dialog = new AlertDialog.Builder(this);
+        //AlertDialog的构造方法全部是Protected的
+        //所以不能直接通过new一个AlertDialog来创建出一个AlertDialog。
+        //要创建一个AlertDialog，就要用到AlertDialog.Builder中的create()方法
+        //如这里的dialog就是新建了一个AlertDialog
         dialog.setTitle(R.string.app_name);
+        //为对话框设置标题
         dialog.setMessage(mSnippet);
+        //为对话框设置内容
         dialog.setPositiveButton(R.string.notealert_ok, this);
+        //给对话框添加"Yes"按钮
         if (isScreenOn()) {
             dialog.setNegativeButton(R.string.notealert_enter, this);
-        }
+        }//对话框添加"No"按钮
         dialog.show().setOnDismissListener(this);
     }
 
     public void onClick(DialogInterface dialog, int which) {
         switch (which) {
+            //用which来选择click后下一步的操作
             case DialogInterface.BUTTON_NEGATIVE:
+                //这是取消操作
                 Intent intent = new Intent(this, NoteEditActivity.class);
+                //实现两个类间的数据传输
                 intent.setAction(Intent.ACTION_VIEW);
+                //设置动作属性
                 intent.putExtra(Intent.EXTRA_UID, mNoteId);
+                //实现key-value对
+                //EXTRA_UID为key；mNoteId为键
                 startActivity(intent);
+                //开始动作
                 break;
             default:
+                //这是确定操作
                 break;
         }
     }
 
     public void onDismiss(DialogInterface dialog) {
+        //忽略
         stopAlarmSound();
+        //停止闹钟声音
         finish();
+        //完成该动作
     }
 
     private void stopAlarmSound() {
         if (mPlayer != null) {
             mPlayer.stop();
+            //停止播放
             mPlayer.release();
+            //释放MediaPlayer对象
             mPlayer = null;
         }
     }
diff --git a/src/Notes/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java b/src/Notes/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java
index f221202..c20a36b 100644
--- a/src/Notes/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java
+++ b/src/Notes/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java
@@ -34,18 +34,22 @@ public class AlarmInitReceiver extends BroadcastReceiver {
         NoteColumns.ID,
         NoteColumns.ALERTED_DATE
     };
-
+    //对数据库的操作，调用标签ID和闹钟时间
     private static final int COLUMN_ID                = 0;
     private static final int COLUMN_ALERTED_DATE      = 1;
 
     @Override
     public void onReceive(Context context, Intent intent) {
         long currentDate = System.currentTimeMillis();
+        //System.currentTimeMillis()产生一个当前的毫秒
+        //这个毫秒其实就是自1970年1月1日0时起的毫秒数
         Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
                 PROJECTION,
                 NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
                 new String[] { String.valueOf(currentDate) },
+                //将long变量currentDate转化为字符串
                 null);
+        //Cursor在这里的作用是通过查找数据库中的标签内容，找到和当前系统时间相等的标签
 
         if (c != null) {
             if (c.moveToFirst()) {
@@ -61,5 +65,8 @@ public class AlarmInitReceiver extends BroadcastReceiver {
             }
             c.close();
         }
+        //然而通过网上查找资料发现，对于闹钟机制的启动，通常需要上面的几个步骤
+        //如新建Intent、PendingIntent以及AlarmManager等
+        //这里就是根据数据库里的闹钟时间创建一个闹钟机制
     }
 }
diff --git a/src/Notes/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java b/src/Notes/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java
index 54e503b..814fec2 100644
--- a/src/Notes/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java
+++ b/src/Notes/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java
@@ -24,7 +24,12 @@ public class AlarmReceiver extends BroadcastReceiver {
     @Override
     public void onReceive(Context context, Intent intent) {
         intent.setClass(context, AlarmAlertActivity.class);
+        //启动AlarmAlertActivity
         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        //activity要存在于activity的栈中，而非activity的途径启动activity时必然不存在一个activity的栈
+        //所以要新起一个栈装入启动的activity
         context.startActivity(intent);
     }
 }
+//这是实现alarm这个功能最接近用户层的包，基于上面的两个包，
+//作用还需要深究但是对于setClass和addFlags的
diff --git a/src/Notes/app/src/main/java/net/micode/notes/ui/DateTimePicker.java b/src/Notes/app/src/main/java/net/micode/notes/ui/DateTimePicker.java
index 496b0cd..539f4bd 100644
--- a/src/Notes/app/src/main/java/net/micode/notes/ui/DateTimePicker.java
+++ b/src/Notes/app/src/main/java/net/micode/notes/ui/DateTimePicker.java
@@ -29,6 +29,8 @@ import android.widget.FrameLayout;
 import android.widget.NumberPicker;
 
 public class DateTimePicker extends FrameLayout {
+    //FrameLayout是布局模板之一
+    //所有的子元素全部在屏幕的右上方
 
     private static final boolean DEFAULT_ENABLE_STATE = true;
 
@@ -45,13 +47,15 @@ public class DateTimePicker extends FrameLayout {
     private static final int MINUT_SPINNER_MAX_VAL = 59;
     private static final int AMPM_SPINNER_MIN_VAL = 0;
     private static final int AMPM_SPINNER_MAX_VAL = 1;
-
+    //初始化控件
     private final NumberPicker mDateSpinner;
     private final NumberPicker mHourSpinner;
     private final NumberPicker mMinuteSpinner;
     private final NumberPicker mAmPmSpinner;
+    //NumberPicker是数字选择器
+    //这里定义的四个变量全部是在设置闹钟时需要选择的变量（如日期、时、分、上午或者下午）
     private Calendar mDate;
-
+    //定义了Calendar类型的变量mDate，用于操作时间
     private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
 
     private boolean mIsAm;
@@ -71,18 +75,22 @@ public class DateTimePicker extends FrameLayout {
             updateDateControl();
             onDateTimeChanged();
         }
-    };
+    };//OnValueChangeListener，这是时间改变监听器，这里主要是对日期的监听
+    //将现在日期的值传递给mDate；updateDateControl是同步操作
 
     private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
         @Override
         public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+            //这里是对 小时（Hour） 的监听
             boolean isDateChanged = false;
             Calendar cal = Calendar.getInstance();
+            //声明一个Calendar的变量cal，便于后续的操作
             if (!mIs24HourView) {
                 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;
+                    //这里是对于12小时制时，晚上11点和12点交替时对日期的更改
                 } 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);
@@ -92,20 +100,23 @@ public class DateTimePicker extends FrameLayout {
                         oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
                     mIsAm = !mIsAm;
                     updateAmPmControl();
-                }
+                }//这里是对于12小时制时，中午11点和12点交替时对AM和PM的更改
             } else {
                 if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
                     cal.setTimeInMillis(mDate.getTimeInMillis());
                     cal.add(Calendar.DAY_OF_YEAR, 1);
                     isDateChanged = true;
+                    //这里是对于24小时制时，晚上11点和12点交替时对日期的更改
                 } else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
                     cal.setTimeInMillis(mDate.getTimeInMillis());
                     cal.add(Calendar.DAY_OF_YEAR, -1);
                     isDateChanged = true;
                 }
-            }
+            }//这里是对于12小时制时，凌晨11点和12点交替时对日期的更改
             int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);
+            //通过数字选择器对newHour的赋值
             mDate.set(Calendar.HOUR_OF_DAY, newHour);
+            //通过set函数将新的Hour值传给mDate
             onDateTimeChanged();
             if (isDateChanged) {
                 setCurrentYear(cal.get(Calendar.YEAR));
@@ -118,14 +129,18 @@ public class DateTimePicker extends FrameLayout {
     private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
         @Override
         public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+            //这里是对 分钟（Minute）改变的监听
             int minValue = mMinuteSpinner.getMinValue();
             int maxValue = mMinuteSpinner.getMaxValue();
             int offset = 0;
+            //设置offset，作为小时改变的一个记录数据
             if (oldVal == maxValue && newVal == minValue) {
                 offset += 1;
             } else if (oldVal == minValue && newVal == maxValue) {
                 offset -= 1;
             }
+            //如果原值为59，新值为0，则offset加1
+            //如果原值为0，新值为59，则offset减1
             if (offset != 0) {
                 mDate.add(Calendar.HOUR_OF_DAY, offset);
                 mHourSpinner.setValue(getCurrentHour());
@@ -147,6 +162,7 @@ public class DateTimePicker extends FrameLayout {
     private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
         @Override
         public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+            //对AM和PM的监听
             mIsAm = !mIsAm;
             if (mIsAm) {
                 mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY);
@@ -165,18 +181,22 @@ public class DateTimePicker extends FrameLayout {
 
     public DateTimePicker(Context context) {
         this(context, System.currentTimeMillis());
-    }
+    } //通过对数据库的访问，获取当前的系统时间
 
     public DateTimePicker(Context context, long date) {
         this(context, date, DateFormat.is24HourFormat(context));
-    }
+    }//上面函数的得到的是一个天文数字（1970至今的秒数），需要DateFormat将其变得有意义
 
     public DateTimePicker(Context context, long date, boolean is24HourView) {
         super(context);
+        //获取系统时间
         mDate = Calendar.getInstance();
         mInitialising = true;
         mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
         inflate(context, R.layout.datetime_picker, this);
+        //如果当前Activity里用到别的layout，比如对话框layout
+        //还要设置这个layout上的其他组件的内容，就必须用inflate()方法先将对话框的layout找出来
+        //然后再用findViewById()找到它上面的其它组件
 
         mDateSpinner = (NumberPicker) findViewById(R.id.date);
         mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
@@ -239,7 +259,8 @@ public class DateTimePicker extends FrameLayout {
      */
     public long getCurrentDateInTimeMillis() {
         return mDate.getTimeInMillis();
-    }
+    }//实现函数——得到当前的秒数
+
 
     /**
      * Set the current date
@@ -251,7 +272,7 @@ public class DateTimePicker extends FrameLayout {
         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));
-    }
+    }//实现函数功能——设置当前的时间，参数是date
 
     /**
      * Set the current date
@@ -269,7 +290,7 @@ public class DateTimePicker extends FrameLayout {
         setCurrentDay(dayOfMonth);
         setCurrentHour(hourOfDay);
         setCurrentMinute(minute);
-    }
+    }//实现函数功能——设置当前的时间，参数是各详细的变量
 
     /**
      * Get current year
@@ -446,7 +467,7 @@ public class DateTimePicker extends FrameLayout {
         mDateSpinner.setDisplayedValues(mDateDisplayValues);
         mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
         mDateSpinner.invalidate();
-    }
+    }// 对于星期几的算法
 
     private void updateAmPmControl() {
         if (mIs24HourView) {
@@ -455,7 +476,7 @@ public class DateTimePicker extends FrameLayout {
             int index = mIsAm ? Calendar.AM : Calendar.PM;
             mAmPmSpinner.setValue(index);
             mAmPmSpinner.setVisibility(View.VISIBLE);
-        }
+        }// 对于上下午操作的算法
     }
 
     private void updateHourControl() {
@@ -465,7 +486,7 @@ public class DateTimePicker extends FrameLayout {
         } else {
             mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
             mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
-        }
+        }// 对与小时的算法
     }
 
     /**
diff --git a/src/Notes/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java b/src/Notes/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java
index 2c47ba4..097db11 100644
--- a/src/Notes/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java
+++ b/src/Notes/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java
@@ -32,18 +32,24 @@ import android.text.format.DateUtils;
 public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
 
     private Calendar mDate = Calendar.getInstance();
+    //创建一个Calendar类型的变量 mDate，方便时间的操作
     private boolean mIs24HourView;
     private OnDateTimeSetListener mOnDateTimeSetListener;
+    //声明一个时间日期滚动选择控件 mOnDateTimeSetListener
     private DateTimePicker mDateTimePicker;
-
+    //DateTimePicker控件，控件一般用于让用户可以从日期列表中选择单个值。
+    //运行时，单击控件边上的下拉箭头，会显示为两个部分：一个下拉列表，一个用于选择日期的
     public interface OnDateTimeSetListener {
         void OnDateTimeSet(AlertDialog dialog, long date);
     }
 
     public DateTimePickerDialog(Context context, long date) {
+        //对该界面对话框的实例化
         super(context);
+        //对数据库的操作
         mDateTimePicker = new DateTimePicker(context);
         setView(mDateTimePicker);
+        //添加一个子视图
         mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
             public void onDateTimeChanged(DateTimePicker view, int year, int month,
                     int dayOfMonth, int hourOfDay, int minute) {
@@ -52,15 +58,20 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
                 mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
                 mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
                 mDate.set(Calendar.MINUTE, minute);
+                //将视图中的各选项设置为系统当前时间
                 updateTitle(mDate.getTimeInMillis());
             }
         });
         mDate.setTimeInMillis(date);
+        //得到系统时间
         mDate.set(Calendar.SECOND, 0);
+        //将秒数设置为0
         mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
         setButton(context.getString(R.string.datetime_dialog_ok), this);
         setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);
+        //设置按钮
         set24HourView(DateFormat.is24HourFormat(this.getContext()));
+        //时间标准化打印
         updateTitle(mDate.getTimeInMillis());
     }
 
@@ -70,7 +81,7 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
 
     public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
         mOnDateTimeSetListener = callBack;
-    }
+    }//将时间日期滚动选择控件实例化
 
     private void updateTitle(long date) {
         int flag =
@@ -79,12 +90,14 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
             DateUtils.FORMAT_SHOW_TIME;
         flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
         setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
-    }
+    }//android开发中常见日期管理工具类（API）——DateUtils：按照上下午显示时间
 
     public void onClick(DialogInterface arg0, int arg1) {
         if (mOnDateTimeSetListener != null) {
             mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());
         }
-    }
+    }//第一个参数arg0是接收到点击事件的对话框
+    //第二个参数arg1是该对话框上的按钮
+
 
 }
\ No newline at end of file
diff --git a/src/Notes/app/src/main/java/net/micode/notes/ui/DropdownMenu.java b/src/Notes/app/src/main/java/net/micode/notes/ui/DropdownMenu.java
index 613dc74..3e7386c 100644
--- a/src/Notes/app/src/main/java/net/micode/notes/ui/DropdownMenu.java
+++ b/src/Notes/app/src/main/java/net/micode/notes/ui/DropdownMenu.java
@@ -30,14 +30,18 @@ import net.micode.notes.R;
 public class DropdownMenu {
     private Button mButton;
     private PopupMenu mPopupMenu;
+    //声明一个下拉菜单
     private Menu mMenu;
 
     public DropdownMenu(Context context, Button button, int menuId) {
         mButton = button;
         mButton.setBackgroundResource(R.drawable.dropdown_icon);
+        //设置这个view的背景
         mPopupMenu = new PopupMenu(context, mButton);
         mMenu = mPopupMenu.getMenu();
         mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
+        //MenuInflater是用来实例化Menu目录下的Menu布局文件
+        //根据ID来确认menu的内容选项
         mButton.setOnClickListener(new OnClickListener() {
             public void onClick(View v) {
                 mPopupMenu.show();
@@ -48,14 +52,14 @@ public class DropdownMenu {
     public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
         if (mPopupMenu != null) {
             mPopupMenu.setOnMenuItemClickListener(listener);
-        }
+        }//设置菜单的监听
     }
 
     public MenuItem findItem(int id) {
         return mMenu.findItem(id);
-    }
+    }//对于菜单选项的初始化，根据索引搜索菜单需要的选项
 
     public void setTitle(CharSequence title) {
         mButton.setText(title);
-    }
+    }//布局文件，设置标题
 }
diff --git a/src/Notes/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java b/src/Notes/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java
index 96b77da..ab83701 100644
--- a/src/Notes/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java
+++ b/src/Notes/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java
@@ -30,10 +30,14 @@ import net.micode.notes.data.Notes.NoteColumns;
 
 
 public class FoldersListAdapter extends CursorAdapter {
+    //CursorAdapter是Cursor和ListView的接口
+    //FoldersListAdapter继承了CursorAdapter的类
+    //主要作用是便签数据库和用户的交互
+    //这里就是用folder（文件夹）的形式展现给用户
     public static final String [] PROJECTION = {
         NoteColumns.ID,
         NoteColumns.SNIPPET
-    };
+    };//调用数据库中便签的ID和片段
 
     public static final int ID_COLUMN   = 0;
     public static final int NAME_COLUMN = 1;
@@ -41,12 +45,13 @@ public class FoldersListAdapter extends CursorAdapter {
     public FoldersListAdapter(Context context, Cursor c) {
         super(context, c);
         // TODO Auto-generated constructor stub
-    }
+    }//数据库操作
 
     @Override
     public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        //ViewGroup是容器
         return new FolderListItem(context);
-    }
+    }//创建一个文件夹，对于各文件夹中子标签的初始化
 
     @Override
     public void bindView(View view, Context context, Cursor cursor) {
@@ -55,20 +60,22 @@ public class FoldersListAdapter extends CursorAdapter {
                     .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
             ((FolderListItem) view).bind(folderName);
         }
-    }
+    }//将各个布局文件绑定起来
 
     public String getFolderName(Context context, int position) {
         Cursor cursor = (Cursor) getItem(position);
         return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
                 .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
-    }
+    }//根据数据库中标签的ID得到标签的各项内容
 
     private class FolderListItem extends LinearLayout {
         private TextView mName;
 
         public FolderListItem(Context context) {
             super(context);
+            //操作数据库
             inflate(context, R.layout.folder_list_item, this);
+            //根据布局文件的名字等信息将其找出来
             mName = (TextView) findViewById(R.id.tv_folder_name);
         }
 
diff --git a/src/Notes/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java b/src/Notes/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java
index 96a9ff8..712c11b 100644
--- a/src/Notes/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java
+++ b/src/Notes/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java
@@ -74,6 +74,8 @@ import java.util.regex.Pattern;
 
 public class NoteEditActivity extends Activity implements OnClickListener,
         NoteSettingChangedListener, OnTextViewChangeListener {
+    //该类主要是针对标签的编辑
+    //继承了系统内部许多和监听有关的类
     private class HeadViewHolder {
         public TextView tvModified;
 
@@ -84,6 +86,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         public ImageView ibSetBgColor;
     }
 
+    //使用Map实现数据存储
     private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>();
     static {
         sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
@@ -91,6 +94,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         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);
+        //put函数是将指定值和指定键相连
     }
 
     private static final Map<Integer, Integer> sBgSelectorSelectionMap = new HashMap<Integer, Integer>();
@@ -100,6 +104,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         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);
+        //put函数是将指定值和指定键相连
     }
 
     private static final Map<Integer, Integer> sFontSizeBtnsMap = new HashMap<Integer, Integer>();
@@ -116,6 +121,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         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);
+        //put函数是将指定值和指定键相连
     }
 
     private static final String TAG = "NoteEditActivity";
@@ -123,20 +129,23 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     private HeadViewHolder mNoteHeaderHolder;
 
     private View mHeadViewPanel;
-
+    //私有化一个界面操作mHeadViewPanel，对表头的操作
     private View mNoteBgColorSelector;
-
+    //私有化一个界面操作mNoteBgColorSelector，对背景颜色的操作
     private View mFontSizeSelector;
-
+    //私有化一个界面操作mFontSizeSelector，对标签字体的操作
     private EditText mNoteEditor;
-
+    //声明编辑控件，对文本操作
     private View mNoteEditorPanel;
-
+    //私有化一个界面操作mNoteEditorPanel，文本编辑的控制板
+    //private WorkingNote mWorkingNote;
     private WorkingNote mWorkingNote;
-
+    //对模板WorkingNote的初始化
     private SharedPreferences mSharedPrefs;
+    //私有化SharedPreferences的数据存储方式
+    //它的本质是基于XML文件存储key-value键值对数据
     private int mFontSizeId;
-
+    //用于操作字体的大小
     private static final String PREFERENCE_FONT_SIZE = "pref_font_size";
 
     private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10;
@@ -145,7 +154,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     public static final String TAG_UNCHECKED = String.valueOf('\u25A1');
 
     private LinearLayout mEditTextList;
-
+    //线性布局
     private String mUserQuery;
     private Pattern mPattern;
 
@@ -153,7 +162,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         this.setContentView(R.layout.note_edit);
-
+        //对数据库的访问操作
         if (savedInstanceState == null && !initActivityState(getIntent())) {
             finish();
             return;
@@ -176,7 +185,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
                 return;
             }
             Log.d(TAG, "Restoring from killed activity");
-        }
+        }//为防止内存不足时程序的终止，在这里有一个保存现场的函数
     }
 
     private boolean initActivityState(Intent intent) {
@@ -188,29 +197,37 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {
             long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0);
             mUserQuery = "";
-
+            //如果用户实例化标签时，系统并未给出标签ID
             /**
              * Starting from the searched result
              */
+            //根据键值查找ID
             if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {
                 noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
                 mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY);
             }
-
+            //如果ID在数据库中未找到
             if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) {
                 Intent jump = new Intent(this, NotesListActivity.class);
                 startActivity(jump);
+                //程序将跳转到上面声明的intent——jump
                 showToast(R.string.error_note_not_exist);
                 finish();
                 return false;
-            } else {
+            }
+            //ID在数据库中找到
+            else {
                 mWorkingNote = WorkingNote.load(this, noteId);
                 if (mWorkingNote == null) {
                     Log.e(TAG, "load note failed with note id" + noteId);
+                    //打印出红色的错误信息
                     finish();
                     return false;
                 }
             }
+            // intent.getAction()
+            // 大多用于broadcast发送广播时给机制（intent）设置一个action，就是一个字符串
+            // 用户可以通过receive（接受）intent，通过 getAction得到的字符串，来决定做什么
             getWindow().setSoftInputMode(
                     WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
                             | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
@@ -223,7 +240,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
                     Notes.TYPE_WIDGET_INVALIDE);
             int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID,
                     ResourceParser.getDefaultBgId(this));
-
+            // intent.getInt（Long、String）Extra是对各变量的语法分析
             // Parse call-record note
             String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
             long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);
@@ -240,6 +257,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
                         finish();
                         return false;
                     }
+                    //将电话号码与手机的号码簿相关
                 } else {
                     mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId,
                             widgetType, bgResId);
@@ -248,7 +266,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
             } else {
                 mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType,
                         bgResId);
-            }
+            }//创建一个新的WorkingNote
 
             getWindow().setSoftInputMode(
                     WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
@@ -269,8 +287,10 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     }
 
     private void initNoteScreen() {
+        //对界面的初始化操作
         mNoteEditor.setTextAppearance(this, TextAppearanceResources
                 .getTexAppearanceResource(mFontSizeId));
+        //设置外观
         if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
             switchToListMode(mWorkingNote.getContent());
         } else {
@@ -294,18 +314,20 @@ public class NoteEditActivity extends Activity implements OnClickListener,
          */
         showAlertHeader();
     }
-
+    //设置闹钟的显示
     private void showAlertHeader() {
         if (mWorkingNote.hasClockAlert()) {
             long time = System.currentTimeMillis();
             if (time > mWorkingNote.getAlertDate()) {
                 mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired);
+                //如果系统时间大于了闹钟设置的时间，那么闹钟失效
             } else {
                 mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString(
                         mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS));
             }
             mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE);
             mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE);
+            //显示闹钟开启的图标
         } else {
             mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE);
             mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE);
@@ -328,27 +350,30 @@ public class NoteEditActivity extends Activity implements OnClickListener,
          */
         if (!mWorkingNote.existInDatabase()) {
             saveNote();
+            //在创建一个新的标签时，先在数据库中匹配
+            //如果不存在，那么先在数据库中存储
         }
         outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId());
         Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState");
     }
 
     @Override
+    //MotionEvent是对屏幕触控的传递机制
     public boolean dispatchTouchEvent(MotionEvent ev) {
         if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
                 && !inRangeOfView(mNoteBgColorSelector, ev)) {
             mNoteBgColorSelector.setVisibility(View.GONE);
             return true;
-        }
+        }//颜色选择器在屏幕上可见
 
         if (mFontSizeSelector.getVisibility() == View.VISIBLE
                 && !inRangeOfView(mFontSizeSelector, ev)) {
             mFontSizeSelector.setVisibility(View.GONE);
             return true;
-        }
+        }//字体大小选择器在屏幕上可见
         return super.dispatchTouchEvent(ev);
     }
-
+    //对屏幕触控的坐标进行操作
     private boolean inRangeOfView(View view, MotionEvent ev) {
         int []location = new int[2];
         view.getLocationOnScreen(location);
@@ -358,6 +383,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
                 || ev.getX() > (x + view.getWidth())
                 || ev.getY() < y
                 || ev.getY() > (y + view.getHeight())) {
+            //如果触控的位置超出了给定的范围，返回false
                     return false;
                 }
         return true;
@@ -377,13 +403,13 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         for (int id : sBgSelectorBtnsMap.keySet()) {
             ImageView iv = (ImageView) findViewById(id);
             iv.setOnClickListener(this);
-        }
+        }//对标签各项属性内容的初始化
 
         mFontSizeSelector = findViewById(R.id.font_size_selector);
         for (int id : sFontSizeBtnsMap.keySet()) {
             View view = findViewById(id);
             view.setOnClickListener(this);
-        };
+        };//对字体大小的选择
         mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
         mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);
         /**
@@ -405,7 +431,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         }
         clearSettingState();
     }
-
+    //和桌面小工具的同步
     private void updateWidget() {
         Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
         if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) {
@@ -450,7 +476,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
             }
             mFontSizeSelector.setVisibility(View.GONE);
         }
-    }
+    }//************************存在问题
 
     @Override
     public void onBackPressed() {
@@ -481,6 +507,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     }
 
     @Override
+    //对选择菜单的准备
     public boolean onPrepareOptionsMenu(Menu menu) {
         if (isFinishing()) {
             return true;
@@ -489,6 +516,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         menu.clear();
         if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) {
             getMenuInflater().inflate(R.menu.call_note_edit, menu);
+            // MenuInflater是用来实例化Menu目录下的Menu布局文件的
         } else {
             getMenuInflater().inflate(R.menu.note_edit, menu);
         }
@@ -506,45 +534,70 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     }
 
     @Override
+    /*
+     * 函数功能：动态改变菜单选项内容
+     * 函数实现：如下注释
+     */
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
+            //根据菜单的id来编剧相关项目
             case R.id.menu_new_note:
+                //创建一个新的便签
                 createNewNote();
                 break;
             case R.id.menu_delete:
+                //删除便签
                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
+                //创建关于删除操作的对话框
                 builder.setTitle(getString(R.string.alert_title_delete));
+                // 设置标签的标题为alert_title_delete
                 builder.setIcon(android.R.drawable.ic_dialog_alert);
+                //设置对话框图标
                 builder.setMessage(getString(R.string.alert_message_delete_note));
+                //设置对话框内容
                 builder.setPositiveButton(android.R.string.ok,
                         new DialogInterface.OnClickListener() {
                             public void onClick(DialogInterface dialog, int which) {
+                                //点击所触发事件
                                 deleteCurrentNote();
+                                //  删除单签便签
                                 finish();
                             }
                         });
+                //添加“YES”按钮
                 builder.setNegativeButton(android.R.string.cancel, null);
+                //添加“NO”的按钮
                 builder.show();
+                //显示对话框
                 break;
             case R.id.menu_font_size:
+                //字体大小的编辑
                 mFontSizeSelector.setVisibility(View.VISIBLE);
+                // 将字体选择器置为可见
                 findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
+                // 通过id找到相应的大小
                 break;
             case R.id.menu_list_mode:
+                //选择列表模式
                 mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ?
                         TextNote.MODE_CHECK_LIST : 0);
                 break;
             case R.id.menu_share:
+                //菜单共享
                 getWorkingText();
                 sendTo(this, mWorkingNote.getContent());
+                // 用sendto函数将运行文本发送到遍历的本文内
                 break;
             case R.id.menu_send_to_desktop:
+                //发送到桌面
                 sendToDesktop();
                 break;
             case R.id.menu_alert:
+                //创建提醒器
                 setReminder();
                 break;
             case R.id.menu_delete_remind:
+                //删除日期提醒
                 mWorkingNote.setAlertDate(0, false);
                 break;
             default:
@@ -552,65 +605,105 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         }
         return true;
     }
+    /*
+     * 函数功能：建立事件提醒器
+     * 函数实现：如下注释
+     */
 
     private void setReminder() {
         DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis());
+        // 建立修改时间日期的对话框
         d.setOnDateTimeSetListener(new OnDateTimeSetListener() {
             public void OnDateTimeSet(AlertDialog dialog, long date) {
                 mWorkingNote.setAlertDate(date	, true);
+                //选择提醒的日期
             }
         });
+        //建立时间日期的监听器
         d.show();
+        //显示对话框
     }
 
     /**
      * Share note to apps that support {@link Intent#ACTION_SEND} action
      * and {@text/plain} type
      */
+    /*
+     * 函数功能：共享便签
+     * 函数实现：如下注释
+     */
     private void sendTo(Context context, String info) {
         Intent intent = new Intent(Intent.ACTION_SEND);
+        //建立intent链接选项
         intent.putExtra(Intent.EXTRA_TEXT, info);
+        //将需要传递的便签信息放入text文件中
         intent.setType("text/plain");
+        //编辑连接器的类型
         context.startActivity(intent);
+        //在acti中进行链接
     }
-
+    /*
+     * 函数功能：创建一个新的便签
+     * 函数实现：如下注释
+     */
     private void createNewNote() {
+        //保存当前便签
         // Firstly, save current editing notes
         saveNote();
-
         // For safety, start a new NoteEditActivity
         finish();
         Intent intent = new Intent(this, NoteEditActivity.class);
+        //设置链接器
         intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
+        //该活动定义为创建或编辑
         intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId());
+        //将运行便签的id添加到INTENT_EXTRA_FOLDER_ID标记中
         startActivity(intent);
+        //开始activity并链接
     }
-
+    /*
+     * 函数功能：删除当前便签
+     * 函数实现：如下注释
+     */
     private void deleteCurrentNote() {
         if (mWorkingNote.existInDatabase()) {
+            //假如当前运行的便签内存有数据
             HashSet<Long> ids = new HashSet<Long>();
             long id = mWorkingNote.getNoteId();
             if (id != Notes.ID_ROOT_FOLDER) {
                 ids.add(id);
+                //如果不是头文件夹建立一个hash表把便签id存起来
             } else {
                 Log.d(TAG, "Wrong note id, should not happen");
-            }
+            }//否则报错
             if (!isSyncMode()) {
+                //在非同步模式情况下
+                //删除操作
                 if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) {
                     Log.e(TAG, "Delete Note error");
                 }
             } else {
+                //同步模式
+                //移动至垃圾文件夹的操作
                 if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) {
                     Log.e(TAG, "Move notes to trash folder error, should not happens");
                 }
             }
         }
         mWorkingNote.markDeleted(true);
+        //将这些标签的删除标记置为true
     }
-
+    /*
+     * 函数功能：判断是否为同步模式
+     * 函数实现：直接看NotesPreferenceActivity中同步名称是否为空
+     */
     private boolean isSyncMode() {
         return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
     }
+    /*
+     * 函数功能：设置提醒时间
+     * 函数实现：如下注释
+     */
 
     public void onClockAlertChanged(long date, boolean set) {
         /**
@@ -618,46 +711,59 @@ public class NoteEditActivity extends Activity implements OnClickListener,
          * alert clock, we should save the note first
          */
         if (!mWorkingNote.existInDatabase()) {
+            //首先保存已有的便签
             saveNote();
         }
         if (mWorkingNote.getNoteId() > 0) {
             Intent intent = new Intent(this, AlarmReceiver.class);
             intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId()));
+            //若有有运行的便签就是建立一个链接器将标签id都存在uri中
             PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
             AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE));
+            //设置提醒管理器
             showAlertHeader();
             if(!set) {
                 alarmManager.cancel(pendingIntent);
             } else {
                 alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent);
-            }
+            }//如果用户设置了时间，就通过提醒管理器设置一个监听事项
         } else {
             /**
              * There is the condition that user has input nothing (the note is
              * not worthy saving), we have no note id, remind the user that he
              * should input something
              */
+            //没有运行的便签就报错
             Log.e(TAG, "Clock alert setting error");
             showToast(R.string.error_note_empty_for_clock);
         }
     }
+    /*
+     * 函数功能：Widget发生改变的所触发的事件
+     */
 
     public void onWidgetChanged() {
         updateWidget();
-    }
-
+    }//更新Widget
+    /*
+     * 函数功能： 删除编辑文本框所触发的事件
+     * 函数实现：如下注释
+     */
     public void onEditTextDelete(int index, String text) {
         int childCount = mEditTextList.getChildCount();
         if (childCount == 1) {
             return;
         }
+        //没有编辑框的话直接返回
 
         for (int i = index + 1; i < childCount; i++) {
             ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
                     .setIndex(i - 1);
+            //通过id把编辑框存在便签编辑框中
         }
 
         mEditTextList.removeViewAt(index);
+        //删除特定位置的视图
         NoteEditText edit = null;
         if(index == 0) {
             edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById(
@@ -666,11 +772,16 @@ public class NoteEditActivity extends Activity implements OnClickListener,
             edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById(
                     R.id.et_edit_text);
         }
+        //通过id把编辑框存在空的NoteEditText中
         int length = edit.length();
         edit.append(text);
-        edit.requestFocus();
-        edit.setSelection(length);
+        edit.requestFocus();//请求优先完成该此 编辑
+        edit.setSelection(length);//定位到length位置处的条目
     }
+    /*
+     * 函数功能：进入编辑文本框所触发的事件
+     * 函数实现：如下注释
+     */
 
     public void onEditTextEnter(int index, String text) {
         /**
@@ -679,55 +790,81 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         if(index > mEditTextList.getChildCount()) {
             Log.e(TAG, "Index out of mEditTextList boundrary, should not happen");
         }
-
+        //越界把偶偶
         View view = getListItem(text, index);
         mEditTextList.addView(view, index);
+        //建立一个新的视图并添加到编辑文本框内
         NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
-        edit.requestFocus();
-        edit.setSelection(0);
+        edit.requestFocus();//请求优先操作
+        edit.setSelection(0);//定位到起始位置
         for (int i = index + 1; i < mEditTextList.getChildCount(); i++) {
             ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
                     .setIndex(i);
+            //遍历子文本框并设置对应对下标
         }
     }
+    /*
+     * 函数功能：切换至列表模式
+     * 函数实现：如下注释
+     */
 
     private void switchToListMode(String text) {
         mEditTextList.removeAllViews();
         String[] items = text.split("\n");
         int index = 0;
+        //清空所有视图，初始化下标
         for (String item : items) {
             if(!TextUtils.isEmpty(item)) {
                 mEditTextList.addView(getListItem(item, index));
                 index++;
+                //遍历所有文本单元并添加到文本框中
             }
         }
         mEditTextList.addView(getListItem("", index));
         mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus();
+        //优先请求此操作
+
 
         mNoteEditor.setVisibility(View.GONE);
+        //便签编辑器不可见
         mEditTextList.setVisibility(View.VISIBLE);
+        //将文本编辑框置为可见
     }
-
+    /*
+     * 函数功能：获取高亮效果的反馈情况
+     * 函数实现：如下注释
+     */
     private Spannable getHighlightQueryResult(String fullText, String userQuery) {
         SpannableString spannable = new SpannableString(fullText == null ? "" : fullText);
+        //新建一个效果选项
         if (!TextUtils.isEmpty(userQuery)) {
             mPattern = Pattern.compile(userQuery);
+            //将用户的询问进行解析
             Matcher m = mPattern.matcher(fullText);
+            //建立一个状态机检查Pattern并进行匹配
             int start = 0;
             while (m.find(start)) {
                 spannable.setSpan(
                         new BackgroundColorSpan(this.getResources().getColor(
                                 R.color.user_query_highlight)), m.start(), m.end(),
                         Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
+                //设置背景颜色
                 start = m.end();
+                //跟新起始位置
             }
         }
         return spannable;
     }
+    /*
+     * 函数功能：获取列表项
+     * 函数实现：如下注释
+     */
 
     private View getListItem(String item, int index) {
         View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null);
+        //创建一个视图
         final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
+        //创建一个文本编辑框并设置可见性
         edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
         CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
         cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@@ -739,12 +876,14 @@ public class NoteEditActivity extends Activity implements OnClickListener,
                 }
             }
         });
+        //建立一个打钩框并设置监听器
 
         if (item.startsWith(TAG_CHECKED)) {
+            //选择勾选
             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)) {
+        } else if (item.startsWith(TAG_UNCHECKED)) {//选择不勾选
             cb.setChecked(false);
             edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
             item = item.substring(TAG_UNCHECKED.length(), item.length()).trim();
@@ -753,61 +892,93 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         edit.setOnTextViewChangeListener(this);
         edit.setIndex(index);
         edit.setText(getHighlightQueryResult(item, mUserQuery));
+        //运行编辑框的监听器对该行为作出反应，并设置下标及文本内容
         return view;
     }
+    /*
+     * 函数功能：便签内容发生改变所 触发的事件
+     * 函数实现：如下注释
+     */
 
     public void onTextChange(int index, boolean hasText) {
         if (index >= mEditTextList.getChildCount()) {
             Log.e(TAG, "Wrong index, should not happen");
             return;
+            //越界报错
         }
         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);
         }
+        //如果内容不为空则将其子编辑框可见性置为可见，否则不可见
     }
+    /*
+     * 函数功能：检查模式和列表模式的切换
+     * 函数实现：如下注释
+     */
 
     public void onCheckListModeChanged(int oldMode, int newMode) {
         if (newMode == TextNote.MODE_CHECK_LIST) {
             switchToListMode(mNoteEditor.getText().toString());
+            //检查模式切换到列表模式
         } else {
             if (!getWorkingText()) {
                 mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ",
                         ""));
+                //若是获取到文本就改变其检查标记
             }
             mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
             mEditTextList.setVisibility(View.GONE);
             mNoteEditor.setVisibility(View.VISIBLE);
+            //修改文本编辑器的内容和可见性
         }
     }
+    /*
+     * 函数功能：设置勾选选项表并返回是否勾选的标记
+     * 函数实现：如下注释
+     */
 
     private boolean getWorkingText() {
         boolean hasChecked = false;
+        //初始化check标记
         if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+            // 若模式为CHECK_LIST
             StringBuilder sb = new StringBuilder();
+            //创建可变字符串
             for (int i = 0; i < mEditTextList.getChildCount(); i++) {
                 View view = mEditTextList.getChildAt(i);
+                //遍历所有子编辑框的视图
                 NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
+                //若文本不为空
                 if (!TextUtils.isEmpty(edit.getText())) {
                     if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) {
+                        //该选项框已打钩
                         sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n");
                         hasChecked = true;
+                        //扩展字符串为已打钩并把标记置true
                     } else {
                         sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n");
+                        //扩展字符串添加未打钩
                     }
                 }
             }
             mWorkingNote.setWorkingText(sb.toString());
+            //利用编辑好的字符串设置运行便签的内容
         } else {
             mWorkingNote.setWorkingText(mNoteEditor.getText().toString());
+            // 若不是该模式直接用编辑器中的内容设置运行中标签的内容
         }
         return hasChecked;
     }
-
+    /*
+     * 函数功能：保存便签
+     * 函数实现：如下注释
+     */
     private boolean saveNote() {
         getWorkingText();
         boolean saved = mWorkingNote.saveNote();
+        //运行 getWorkingText()之后保存
         if (saved) {
             /**
              * There are two modes from List view to edit view, open one note,
@@ -820,7 +991,10 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         }
         return saved;
     }
-
+    /*
+     * 函数功能：将便签发送至桌面
+     * 函数实现：如下注释
+     */
     private void sendToDesktop() {
         /**
          * Before send message to home, we should make sure that current
@@ -829,13 +1003,18 @@ public class NoteEditActivity extends Activity implements OnClickListener,
          */
         if (!mWorkingNote.existInDatabase()) {
             saveNote();
+            //若不存在数据也就是新的标签就保存起来先
         }
 
         if (mWorkingNote.getNoteId() > 0) {
+            //若是有内容
             Intent sender = new Intent();
             Intent shortcutIntent = new Intent(this, NoteEditActivity.class);
+            //建立发送到桌面的连接器
             shortcutIntent.setAction(Intent.ACTION_VIEW);
+            //链接为一个视图
             shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId());
+            //设置sneder的行为是发送
             sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
             sender.putExtra(Intent.EXTRA_SHORTCUT_NAME,
                     makeShortcutIconTitle(mWorkingNote.getContent()));
@@ -845,6 +1024,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
             sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
             showToast(R.string.info_note_enter_desktop);
             sendBroadcast(sender);
+            //显示到桌面
         } else {
             /**
              * There is the condition that user has input nothing (the note is
@@ -853,20 +1033,33 @@ public class NoteEditActivity extends Activity implements OnClickListener,
              */
             Log.e(TAG, "Send to desktop error");
             showToast(R.string.error_note_empty_for_send_to_desktop);
+            //空便签直接报错
         }
     }
-
+    /*
+     * 函数功能：编辑小图标的标题
+     * 函数实现：如下注释
+     */
     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;
+        //直接设置为content中的内容并返回，有勾选和未勾选2种
     }
 
+    /*
+     * 函数功能：显示提示的视图
+     * 函数实现：根据下标显示对应的提示
+     */
     private void showToast(int resId) {
         showToast(resId, Toast.LENGTH_SHORT);
     }
 
+    /*
+     * 函数功能：持续显示提示的视图
+     * 函数实现：根据下标和持续的时间（duration）编辑提示视图并显示
+     */
     private void showToast(int resId, int duration) {
         Toast.makeText(this, resId, duration).show();
     }
diff --git a/src/Notes/app/src/main/java/net/micode/notes/ui/NoteEditText.java b/src/Notes/app/src/main/java/net/micode/notes/ui/NoteEditText.java
index 2afe2a8..03fa4c6 100644
--- a/src/Notes/app/src/main/java/net/micode/notes/ui/NoteEditText.java
+++ b/src/Notes/app/src/main/java/net/micode/notes/ui/NoteEditText.java
@@ -36,7 +36,7 @@ import net.micode.notes.R;
 
 import java.util.HashMap;
 import java.util.Map;
-
+//继承edittext，设置便签设置文本框
 public class NoteEditText extends EditText {
     private static final String TAG = "NoteEditText";
     private int mIndex;
@@ -46,6 +46,7 @@ public class NoteEditText extends EditText {
     private static final String SCHEME_HTTP = "http:" ;
     private static final String SCHEME_EMAIL = "mailto:" ;
 
+    //建立一个字符和整数的hash表，用于链接电话，网站，还有邮箱
     private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>();
     static {
         sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel);
@@ -56,17 +57,20 @@ public class NoteEditText extends EditText {
     /**
      * Call by the {@link NoteEditActivity} to delete or add edit text
      */
+    //在NoteEditActivity中删除或添加文本的操作，可以看做是一个文本是否被变的标记，英文注释已说明的很清楚
     public interface OnTextViewChangeListener {
         /**
          * Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens
          * and the text is null
          */
+        //处理删除按键时的操作
         void onEditTextDelete(int index, String text);
 
         /**
          * Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER}
          * happen
          */
+        //处理进入按键时的操作
         void onEditTextEnter(int index, String text);
 
         /**
@@ -77,33 +81,41 @@ public class NoteEditText extends EditText {
 
     private OnTextViewChangeListener mOnTextViewChangeListener;
 
+    //根据context设置文本
     public NoteEditText(Context context) {
-        super(context, null);
+        super(context, null);//用super引用父类变量
         mIndex = 0;
     }
 
+    //设置当前光标
     public void setIndex(int index) {
         mIndex = index;
     }
 
+    //初始化文本修改标记
     public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
         mOnTextViewChangeListener = listener;
     }
-
+    //AttributeSet 百度了一下是自定义空控件属性，用于维护便签动态变化的属性
+    //初始化便签
     public NoteEditText(Context context, AttributeSet attrs) {
         super(context, attrs, android.R.attr.editTextStyle);
     }
-
+    // 根据defstyle自动初始化
     public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);
         // TODO Auto-generated constructor stub
     }
 
     @Override
+    //view里的函数，处理手机屏幕的所有事件
+    /*参数event为手机屏幕触摸事件封装类的对象，其中封装了该事件的所有信息，
+                例如触摸的位置、触摸的类型以及触摸的时间等。该对象会在用户触摸手机屏幕时被创建。*/
     public boolean onTouchEvent(MotionEvent event) {
         switch (event.getAction()) {
+            //重写了需要处理屏幕被按下的事件
             case MotionEvent.ACTION_DOWN:
-
+                //跟新当前坐标值
                 int x = (int) event.getX();
                 int y = (int) event.getY();
                 x -= getTotalPaddingLeft();
@@ -111,9 +123,11 @@ public class NoteEditText extends EditText {
                 x += getScrollX();
                 y += getScrollY();
 
+                //用布局控件layout根据x,y的新值设置新的位置
                 Layout layout = getLayout();
                 int line = layout.getLineForVertical(y);
                 int off = layout.getOffsetForHorizontal(line, x);
+                //更新光标新的位置
                 Selection.setSelection(getText(), off);
                 break;
         }
@@ -122,9 +136,15 @@ public class NoteEditText extends EditText {
     }
 
     @Override
+    /*
+     * 函数功能：处理用户按下一个键盘按键时会触发 的事件
+     * 实现过程：如下注释
+     */
     public boolean onKeyDown(int keyCode, KeyEvent event) {
         switch (keyCode) {
+            //根据按键的 Unicode 编码值来处理
             case KeyEvent.KEYCODE_ENTER:
+                //“进入”按键
                 if (mOnTextViewChangeListener != null) {
                     return false;
                 }
@@ -135,39 +155,62 @@ public class NoteEditText extends EditText {
             default:
                 break;
         }
+        //继续执行父类的其他点击事件
         return super.onKeyDown(keyCode, event);
     }
 
     @Override
+    /*
+     * 函数功能：处理用户松开一个键盘按键时会触发 的事件
+     * 实现方式：如下注释
+     */
     public boolean onKeyUp(int keyCode, KeyEvent event) {
         switch(keyCode) {
+            //根据按键的 Unicode 编码值来处理，有删除和进入2种操作
             case KeyEvent.KEYCODE_DEL:
                 if (mOnTextViewChangeListener != null) {
+                    //若是被修改过
                     if (0 == mSelectionStartBeforeDelete && mIndex != 0) {
+                        //若之前有被修改并且文档不为空
                         mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString());
+                        //利用上文OnTextViewChangeListener对KEYCODE_DEL按键情况的删除函数进行删除
                         return true;
                     }
                 } else {
                     Log.d(TAG, "OnTextViewChangeListener was not seted");
+                    //其他情况报错，文档的改动监听器并没有建立
                 }
                 break;
             case KeyEvent.KEYCODE_ENTER:
+                //同上也是分为监听器是否建立2种情况
                 if (mOnTextViewChangeListener != null) {
                     int selectionStart = getSelectionStart();
+                    //获取当前位置
                     String text = getText().subSequence(selectionStart, length()).toString();
+                    //获取当前文本
                     setText(getText().subSequence(0, selectionStart));
+                    //根据获取的文本设置当前文本
                     mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);
                 } else {
                     Log.d(TAG, "OnTextViewChangeListener was not seted");
+                    //其他情况报错，文档的改动监听器并没有建立
                 }
                 break;
             default:
                 break;
         }
+        //继续执行父类的其他按键弹起的事件
         return super.onKeyUp(keyCode, event);
     }
 
     @Override
+    /*
+     * 函数功能：当焦点发生变化时，会自动调用该方法来处理焦点改变的事件
+     * 实现方式：如下注释
+     * 参数：focused表示触发该事件的View是否获得了焦点，当该控件获得焦点时，Focused等于true，否则等于false。
+           direction表示焦点移动的方向，用数值表示
+           Rect：表示在触发事件的View的坐标系中，前一个获得焦点的矩形区域，即表示焦点是从哪里来的。如果不可用则为null
+     */
     protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
         if (mOnTextViewChangeListener != null) {
             if (!focused && TextUtils.isEmpty(getText())) {
@@ -180,6 +223,10 @@ public class NoteEditText extends EditText {
     }
 
     @Override
+    /*
+     * 函数功能：生成上下文菜单
+     * 函数实现：如下注释
+     */
     protected void onCreateContextMenu(ContextMenu menu) {
         if (getText() instanceof Spanned) {
             int selStart = getSelectionStart();
diff --git a/src/Notes/app/src/main/java/net/micode/notes/ui/NoteItemData.java b/src/Notes/app/src/main/java/net/micode/notes/ui/NoteItemData.java
index 0f5a878..5f32da8 100644
--- a/src/Notes/app/src/main/java/net/micode/notes/ui/NoteItemData.java
+++ b/src/Notes/app/src/main/java/net/micode/notes/ui/NoteItemData.java
@@ -76,6 +76,7 @@ public class NoteItemData {
     private boolean mIsOneNoteFollowingFolder;
     private boolean mIsMultiNotesFollowingFolder;
 
+    //初始化NoteItemData,主要利用光标cursor获取的东西
     public NoteItemData(Context context, Cursor cursor) {
         mId = cursor.getLong(ID_COLUMN);
         mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
@@ -92,6 +93,7 @@ public class NoteItemData {
         mWidgetId = cursor.getInt(WIDGET_ID_COLUMN);
         mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN);
 
+        //初始化电话号码信息
         mPhoneNumber = "";
         if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {
             mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId);
@@ -109,6 +111,7 @@ public class NoteItemData {
         checkPostion(cursor);
     }
 
+    //根据鼠标的位置设置标记，和位置
     private void checkPostion(Cursor cursor) {
         mIsLastItem = cursor.isLast() ? true : false;
         mIsFirstItem = cursor.isFirst() ? true : false;
diff --git a/src/Notes/app/src/main/java/net/micode/notes/ui/NotesListActivity.java b/src/Notes/app/src/main/java/net/micode/notes/ui/NotesListActivity.java
index e843aec..00d8c58 100644
--- a/src/Notes/app/src/main/java/net/micode/notes/ui/NotesListActivity.java
+++ b/src/Notes/app/src/main/java/net/micode/notes/ui/NotesListActivity.java
@@ -77,6 +77,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.util.HashSet;
+//主界面
 
 public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
     private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
@@ -136,6 +137,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
     private final static int REQUEST_CODE_NEW_NODE  = 103;
 
     @Override
+    //创建类
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.note_list);
@@ -148,6 +150,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
     }
 
     @Override
+    //返回一些子模块完成的数据交给Activity处理
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         if (resultCode == RESULT_OK
                 && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
@@ -158,6 +161,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
     }
 
     private void setAppInfoFromRawRes() {
+        //Android平台提供SharedPreferences类，适合保存软件配置参数
         SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
         if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
             StringBuilder sb = new StringBuilder();
@@ -190,6 +194,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                 }
             }
 
+            //创建空的WorkingNote
             WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
                     AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
                     ResourceParser.RED);
@@ -209,6 +214,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         startAsyncNotesListQuery();
     }
 
+    //初始化资源
     private void initResources() {
         mContentResolver = this.getContentResolver();
         mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
@@ -269,6 +275,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
             return true;
         }
 
+        //更新菜单
         private void updateMenu() {
             int selectedCount = mNotesListAdapter.getSelectedCount();
             // Update dropdown menu
@@ -664,6 +671,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         });
     }
 
+    //按返回键是根据情况更改类中的数据
     @Override
     public void onBackPressed() {
         switch (mState) {
@@ -688,6 +696,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         }
     }
 
+    //根据不同类型的Widget更改插件，通过intent传送数据
     private void updateWidget(int appWidgetId, int appWidgetType) {
         Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
         if (appWidgetType == Notes.TYPE_WIDGET_2X) {
@@ -707,6 +716,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         setResult(RESULT_OK, intent);
     }
 
+    //声明监视器，建立菜单，包括名称，视图，删除操作，更改名称操作
     private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {
         public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
             if (mFocusNoteDataItem != null) {
@@ -726,6 +736,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         super.onContextMenuClosed(menu);
     }
 
+    //针对menu中不同的选择进行不同的处理，里面详细注释
     @Override
     public boolean onContextItemSelected(MenuItem item) {
         if (mFocusNoteDataItem == null) {
@@ -824,6 +835,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         return true;
     }
 
+    //实现便签导出到文本功能
     private void exportNoteToText() {
         final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
         new AsyncTask<Void, Void, Integer>() {
@@ -866,16 +878,19 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         }.execute();
     }
 
+    //判断是否正在同步
     private boolean isSyncMode() {
         return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
     }
 
+    //跳转到PreferenceActicity界面
     private void startPreferenceActivity() {
         Activity from = getParent() != null ? getParent() : this;
         Intent intent = new Intent(from, NotesPreferenceActivity.class);
         from.startActivityIfNeeded(intent, -1);
     }
 
+    //实现便签列表的项的点击事件
     private class OnListItemClickListener implements OnItemClickListener {
 
         public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
@@ -917,6 +932,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
 
     }
 
+    //查询目标文件
     private void startQueryDestinationFolders() {
         String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
         selection = (mState == ListEditState.NOTE_LIST) ? selection:
diff --git a/src/Notes/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java b/src/Notes/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java
index 51c9cb9..3a6953a 100644
--- a/src/Notes/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java
+++ b/src/Notes/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java
@@ -31,6 +31,8 @@ import java.util.HashSet;
 import java.util.Iterator;
 
 
+//直译为便签表连接器，继承CursorAdapter,它为cursor和LIstView提供了连接的桥梁
+//实现的是鼠标和编辑便签连接的桥梁
 public class NotesListAdapter extends CursorAdapter {
     private static final String TAG = "NotesListAdapter";
     private Context mContext;
@@ -43,6 +45,8 @@ public class NotesListAdapter extends CursorAdapter {
         public int widgetType;
     };
 
+    //初始化便签链接器
+    //根据传进来的内容设置相关变量
     public NotesListAdapter(Context context) {
         super(context, null);
         mSelectedIndex = new HashMap<Integer, Boolean>();
@@ -51,11 +55,13 @@ public class NotesListAdapter extends CursorAdapter {
     }
 
     @Override
+    //新建一个视图来存储光标所指向的数据
     public View newView(Context context, Cursor cursor, ViewGroup parent) {
         return new NotesListItem(context);
     }
 
     @Override
+    //将已经存在的视图和鼠标指向的数据进行捆绑
     public void bindView(View view, Context context, Cursor cursor) {
         if (view instanceof NotesListItem) {
             NoteItemData itemData = new NoteItemData(context, cursor);
@@ -64,20 +70,24 @@ public class NotesListAdapter extends CursorAdapter {
         }
     }
 
+    //设置勾选框
     public void setCheckedItem(final int position, final boolean checked) {
         mSelectedIndex.put(position, checked);
         notifyDataSetChanged();
     }
 
+    //判断单选按钮是否勾选
     public boolean isInChoiceMode() {
         return mChoiceMode;
     }
 
+    //设置单项选项框
     public void setChoiceMode(boolean mode) {
         mSelectedIndex.clear();
         mChoiceMode = mode;
     }
 
+    //选择全部选项
     public void selectAll(boolean checked) {
         Cursor cursor = getCursor();
         for (int i = 0; i < getCount(); i++) {
@@ -89,6 +99,7 @@ public class NotesListAdapter extends CursorAdapter {
         }
     }
 
+    //建立选择项的下标列表
     public HashSet<Long> getSelectedItemIds() {
         HashSet<Long> itemSet = new HashSet<Long>();
         for (Integer position : mSelectedIndex.keySet()) {
@@ -105,6 +116,7 @@ public class NotesListAdapter extends CursorAdapter {
         return itemSet;
     }
 
+    //建立桌面Wighet的选项表
     public HashSet<AppWidgetAttribute> getSelectedWidget() {
         HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>();
         for (Integer position : mSelectedIndex.keySet()) {
@@ -128,6 +140,7 @@ public class NotesListAdapter extends CursorAdapter {
         return itemSet;
     }
 
+    //获取选项个数
     public int getSelectedCount() {
         Collection<Boolean> values = mSelectedIndex.values();
         if (null == values) {
@@ -143,11 +156,13 @@ public class NotesListAdapter extends CursorAdapter {
         return count;
     }
 
+    //是否全部选中
     public boolean isAllSelected() {
         int checkedCount = getSelectedCount();
         return (checkedCount != 0 && checkedCount == mNotesCount);
     }
 
+    //判断是否为选项表
     public boolean isSelectedItem(final int position) {
         if (null == mSelectedIndex.get(position)) {
             return false;
@@ -156,17 +171,20 @@ public class NotesListAdapter extends CursorAdapter {
     }
 
     @Override
+    //在acticity内容发生局部变动的时候回调该函数计算便签的数量
     protected void onContentChanged() {
         super.onContentChanged();
         calcNotesCount();
     }
 
     @Override
+    //在activity发生局部变动的时候回调该函数计算便签的数量
     public void changeCursor(Cursor cursor) {
         super.changeCursor(cursor);
         calcNotesCount();
     }
 
+    //计算便签数量
     private void calcNotesCount() {
         mNotesCount = 0;
         for (int i = 0; i < getCount(); i++) {
diff --git a/src/Notes/app/src/main/java/net/micode/notes/ui/NotesListItem.java b/src/Notes/app/src/main/java/net/micode/notes/ui/NotesListItem.java
index 1221e80..dc2c033 100644
--- a/src/Notes/app/src/main/java/net/micode/notes/ui/NotesListItem.java
+++ b/src/Notes/app/src/main/java/net/micode/notes/ui/NotesListItem.java
@@ -29,7 +29,7 @@ import net.micode.notes.data.Notes;
 import net.micode.notes.tool.DataUtils;
 import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
 
-
+//创建便签列表项目选项
 public class NotesListItem extends LinearLayout {
     private ImageView mAlert;
     private TextView mTitle;
diff --git a/src/Notes/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java b/src/Notes/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java
index 07c5f7e..2c9afec 100644
--- a/src/Notes/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java
+++ b/src/Notes/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java
@@ -47,7 +47,8 @@ import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.NoteColumns;
 import net.micode.notes.gtask.remote.GTaskSyncService;
 
-
+//实现对背景颜色和字体大小进行
+//系统信息和配置进行自动保存的Activity
 public class NotesPreferenceActivity extends PreferenceActivity {
     public static final String PREFERENCE_NAME = "notes_preferences";
 
@@ -70,6 +71,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
     private boolean mHasAddedAccount;
 
     @Override
+    //完成所有的正常静止设置
     protected void onCreate(Bundle icicle) {
         super.onCreate(icicle);
 
@@ -89,6 +91,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
     }
 
     @Override
+    //交互功能的实现
     protected void onResume() {
         super.onResume();
 
@@ -113,10 +116,11 @@ public class NotesPreferenceActivity extends PreferenceActivity {
             }
         }
 
-        refreshUI();
+        refreshUI();//刷新标签界面
     }
 
     @Override
+    //销毁Activity
     protected void onDestroy() {
         if (mReceiver != null) {
             unregisterReceiver(mReceiver);
@@ -124,6 +128,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         super.onDestroy();
     }
 
+    //重新设置账号信息
     private void loadAccountPreference() {
         mAccountCategory.removeAll();
 
@@ -154,6 +159,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         mAccountCategory.addPreference(accountPref);
     }
 
+    //设置按键的状态和最后同步的时间
     private void loadSyncButton() {
         Button syncButton = (Button) findViewById(R.id.preference_sync_button);
         TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
@@ -193,11 +199,13 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         }
     }
 
+    //刷新便签界面
     private void refreshUI() {
         loadAccountPreference();
         loadSyncButton();
     }
 
+    //显示选择的对话框并进行账户的设置
     private void showSelectAccountAlertDialog() {
         AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
 
@@ -241,6 +249,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         dialogBuilder.setView(addAccountView);
 
         final AlertDialog dialog = dialogBuilder.show();
+        //显示对话框
         addAccountView.setOnClickListener(new View.OnClickListener() {
             public void onClick(View v) {
                 mHasAddedAccount = true;
@@ -254,6 +263,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         });
     }
 
+    //显示账户选择对话框和相关账户操作
     private void showChangeAccountConfirmAlertDialog() {
         AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
 
@@ -283,11 +293,13 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         dialogBuilder.show();
     }
 
+    //获得谷歌账户
     private Account[] getGoogleAccounts() {
         AccountManager accountManager = AccountManager.get(this);
         return accountManager.getAccountsByType("com.google");
     }
 
+    //设置同步账户
     private void setSyncAccount(String account) {
         if (!getSyncAccountName(this).equals(account)) {
             SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
@@ -318,6 +330,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         }
     }
 
+    //删除同步账户
     private void removeSyncAccount() {
         SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
         SharedPreferences.Editor editor = settings.edit();
@@ -340,12 +353,14 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         }).start();
     }
 
+    //获取同步账户名称
     public static String getSyncAccountName(Context context) {
         SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                 Context.MODE_PRIVATE);
         return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
     }
 
+    //设置最终同步时间
     public static void setLastSyncTime(Context context, long time) {
         SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                 Context.MODE_PRIVATE);
@@ -354,12 +369,14 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         editor.commit();
     }
 
+    //获取最终同步时间
     public static long getLastSyncTime(Context context) {
         SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                 Context.MODE_PRIVATE);
         return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
     }
 
+    //接受同步信息
     private class GTaskReceiver extends BroadcastReceiver {
 
         @Override
@@ -374,6 +391,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         }
     }
 
+    //处理菜单选项
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
             case android.R.id.home: