diff --git a/.DS_Store b/.DS_Store
index 3ef22ac..52a2946 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/doc/.~实践模板-开源软件泛读报告文档.docx b/doc/.~实践模板-开源软件泛读报告文档.docx
new file mode 100644
index 0000000..61fc516
Binary files /dev/null and b/doc/.~实践模板-开源软件泛读报告文档.docx differ
diff --git a/src/.DS_Store b/src/.DS_Store
index 8cc54c5..4859d70 100644
Binary files a/src/.DS_Store and b/src/.DS_Store differ
diff --git a/src/Notes-master/src/net/micode/notes/.DS_Store b/src/Notes-master/src/net/micode/notes/.DS_Store
index 64d2b9a..0cfba85 100644
Binary files a/src/Notes-master/src/net/micode/notes/.DS_Store and b/src/Notes-master/src/net/micode/notes/.DS_Store differ
diff --git a/src/Notes-master/src/net/micode/notes/ui/AlarmAlertActivity.java b/src/Notes-master/src/net/micode/notes/ui/AlarmAlertActivity.java
index 46b12cb..3447ff6 100644
--- a/src/Notes-master/src/net/micode/notes/ui/AlarmAlertActivity.java
+++ b/src/Notes-master/src/net/micode/notes/ui/AlarmAlertActivity.java
@@ -39,10 +39,12 @@ import net.micode.notes.tool.DataUtils;
 
 import java.io.IOException;
 
-
+/**
+ * 功能：实现闹铃提醒界面
+ */
 public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
     private long mNoteId;
-    private String mSnippet;//闹钟提示时出现的文本
+    private String mSnippet;
     private static final int SNIPPET_PREW_MAX_LEN = 60;
     MediaPlayer mPlayer;
 
@@ -54,12 +56,15 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
         final Window win = getWindow();
         win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
 
+        /*
+        判断闹钟启动时屏幕是否点亮，若未点亮，激活闹钟时开启手机屏幕
+        */
         if (!isScreenOn()) {
             win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
                     | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
                     | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
                     | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
-        }//激活闹钟时开启手机屏幕
+        }
 
         Intent intent = getIntent();
 
@@ -82,6 +87,7 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
             finish();//完成闹钟动作
         }
     }
+
     /*判断屏幕是否处于锁定状态 */
     private boolean isScreenOn() {
         PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
@@ -126,9 +132,10 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
         dialog.setTitle(R.string.app_name);//对话框标题
         dialog.setMessage(mSnippet);//对话框内容
         dialog.setPositiveButton(R.string.notealert_ok, this);//“是”按钮
+        //“否”按钮
         if (isScreenOn()) {
             dialog.setNegativeButton(R.string.notealert_enter, this);
-        }//“否”按钮
+        }
         dialog.show().setOnDismissListener(this);
     }
 
diff --git a/src/Notes-master/src/net/micode/notes/ui/AlarmInitReceiver.java b/src/Notes-master/src/net/micode/notes/ui/AlarmInitReceiver.java
index afad859..a1e091b 100644
--- a/src/Notes-master/src/net/micode/notes/ui/AlarmInitReceiver.java
+++ b/src/Notes-master/src/net/micode/notes/ui/AlarmInitReceiver.java
@@ -27,13 +27,16 @@ import android.database.Cursor;
 import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.NoteColumns;
 
-
+/**
+ * 功能：闹铃提醒启动消息接收器
+ */
 public class AlarmInitReceiver extends BroadcastReceiver {
 
+    /*操作数据库调用ID与闹钟时间 */
     private static final String [] PROJECTION = new String [] {
         NoteColumns.ID,
         NoteColumns.ALERTED_DATE
-    };//操作数据库调用ID与闹钟时间
+    };
 
     private static final int COLUMN_ID                = 0;
     private static final int COLUMN_ALERTED_DATE      = 1;
diff --git a/src/Notes-master/src/net/micode/notes/ui/AlarmReceiver.java b/src/Notes-master/src/net/micode/notes/ui/AlarmReceiver.java
index bbe11cc..bf3afaf 100644
--- a/src/Notes-master/src/net/micode/notes/ui/AlarmReceiver.java
+++ b/src/Notes-master/src/net/micode/notes/ui/AlarmReceiver.java
@@ -20,13 +20,14 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 
+/**
+ * 闹钟提醒接收器
+ */
 public class AlarmReceiver extends BroadcastReceiver {
     @Override
     public void onReceive(Context context, Intent intent) {
-        intent.setClass(context, AlarmAlertActivity.class);
-        //启动AlarmAlertActivity
+        intent.setClass(context, AlarmAlertActivity.class);//启动AlarmAlertActivity
         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        context.startActivity(intent);
-        //创建一个栈并将新的activity装入其中
+        context.startActivity(intent);//创建一个栈并将新的activity装入其中
     }
 }
diff --git a/src/Notes-master/src/net/micode/notes/ui/DateTimePicker.java b/src/Notes-master/src/net/micode/notes/ui/DateTimePicker.java
index e1f56eb..2214b14 100644
--- a/src/Notes-master/src/net/micode/notes/ui/DateTimePicker.java
+++ b/src/Notes-master/src/net/micode/notes/ui/DateTimePicker.java
@@ -28,6 +28,9 @@ import android.view.View;
 import android.widget.FrameLayout;
 import android.widget.NumberPicker;
 
+/**
+ *设置提醒时间的部件
+ */
 public class DateTimePicker extends FrameLayout {
 
     private static final boolean DEFAULT_ENABLE_STATE = true;
@@ -46,11 +49,12 @@ public class DateTimePicker extends FrameLayout {
     private static final int AMPM_SPINNER_MIN_VAL = 0;
     private static final int AMPM_SPINNER_MAX_VAL = 1;
 
+    //四个设置闹钟时间所需的变量
     private final NumberPicker mDateSpinner;
     private final NumberPicker mHourSpinner;
     private final NumberPicker mMinuteSpinner;
     private final NumberPicker mAmPmSpinner;
-    //四个设置闹钟时间所需的变量
+
     private Calendar mDate;//用于操作时间
 
     private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
diff --git a/src/Notes-master/src/net/micode/notes/ui/DateTimePickerDialog.java b/src/Notes-master/src/net/micode/notes/ui/DateTimePickerDialog.java
index c11de32..7133a24 100644
--- a/src/Notes-master/src/net/micode/notes/ui/DateTimePickerDialog.java
+++ b/src/Notes-master/src/net/micode/notes/ui/DateTimePickerDialog.java
@@ -12,17 +12,19 @@ import android.content.DialogInterface;
 import android.content.DialogInterface.OnClickListener;
 import android.text.format.DateFormat;
 import android.text.format.DateUtils;
- 
+
+/**
+ * 实现设置提醒时间的对话框
+ */
 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 Calendar mDate = Calendar.getInstance();
     private boolean mIs24HourView;
-    private OnDateTimeSetListener mOnDateTimeSetListener;
     //声明一个时间日期滚动选择控件 mOnDateTimeSetListener
-    private DateTimePicker mDateTimePicker;
+    private OnDateTimeSetListener mOnDateTimeSetListener;
     //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
+    private DateTimePicker mDateTimePicker;
  
     public interface OnDateTimeSetListener {
         void OnDateTimeSet(AlertDialog dialog, long date);
@@ -47,16 +49,12 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
                 updateTitle(mDate.getTimeInMillis());
             }
         });
-        mDate.setTimeInMillis(date);
-        //得到系统时间
-        mDate.set(Calendar.SECOND, 0);
-        //将秒数设置为0
+        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
+        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());
     }
  
@@ -64,10 +62,12 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
         mIs24HourView = is24HourView;
     }
  
+    /*将时间日期滚动选择控件实例化*/
     public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
         mOnDateTimeSetListener = callBack;
-    }//将时间日期滚动选择控件实例化
+    }
  
+    /*android开发中常见日期管理工具类（API）——DateUtils：按照上下午显示时间*/
     private void updateTitle(long date) {
         int flag =
             DateUtils.FORMAT_SHOW_YEAR |
@@ -75,13 +75,14 @@ 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
+    }
  
+    /*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*/
     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-master/src/net/micode/notes/ui/DropdownMenu.java b/src/Notes-master/src/net/micode/notes/ui/DropdownMenu.java
index 4c4cf90..fee24dd 100644
--- a/src/Notes-master/src/net/micode/notes/ui/DropdownMenu.java
+++ b/src/Notes-master/src/net/micode/notes/ui/DropdownMenu.java
@@ -13,19 +13,17 @@ import net.micode.notes.R;
  
 public class DropdownMenu {
     private Button mButton;
-    private PopupMenu mPopupMenu;
-    //声明一个下拉菜单
+    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
+        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
+        mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
         mButton.setOnClickListener(new OnClickListener() {
             public void onClick(View v) {
                 mPopupMenu.show();
@@ -33,17 +31,20 @@ public class DropdownMenu {
         });
     }
  
+    /*设置菜单的监听 */
     public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
         if (mPopupMenu != null) {
             mPopupMenu.setOnMenuItemClickListener(listener);
-        }//设置菜单的监听
+        }
     }
  
+    /*对于菜单选项的初始化，根据索引搜索菜单需要的选项 */
     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
+    }
  
+    /*布局文件，设置标题 */
     public void setTitle(CharSequence title) {
         mButton.setText(title);
-    }//布局文件，设置标题
+    }
 }
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/ui/FoldersListAdapter.java b/src/Notes-master/src/net/micode/notes/ui/FoldersListAdapter.java
index 4fbe285..4464971 100644
--- a/src/Notes-master/src/net/micode/notes/ui/FoldersListAdapter.java
+++ b/src/Notes-master/src/net/micode/notes/ui/FoldersListAdapter.java
@@ -12,54 +12,59 @@ import net.micode.notes.R;
 import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.NoteColumns;
  
- 
+/**
+ *  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
+ */
+
+ /*调用数据库中便签的ID和片段 */
 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;
  
+    /*数据库操作 */
     public FoldersListAdapter(Context context, Cursor c) {
         super(context, c);
         // TODO Auto-generated constructor stub
-    }//数据库操作
+    }
  
     @Override
+    /*创建一个文件夹，对于各文件夹中子标签的初始化 */
     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
+    /*将各个布局文件绑定起来 */
     public void bindView(View view, Context context, Cursor cursor) {
         if (view instanceof FolderListItem) {
             String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
                     .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
             ((FolderListItem) view).bind(folderName);
         }
-    }//将各个布局文件绑定起来
+    }
  
+    /*根据数据库中标签的ID得到标签的各项内容 */
     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
+            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-master/src/net/micode/notes/ui/NoteEditActivity.java b/src/Notes-master/src/net/micode/notes/ui/NoteEditActivity.java
index 35c9bad..3844539 100644
--- a/src/Notes-master/src/net/micode/notes/ui/NoteEditActivity.java
+++ b/src/Notes-master/src/net/micode/notes/ui/NoteEditActivity.java
@@ -55,11 +55,13 @@ import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
  
- 
+/**
+ *  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
+ */
 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
+    /*使用Map实现数据存储 */
     private class HeadViewHolder {
         public TextView tvModified;
  
@@ -69,7 +71,7 @@ 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);
@@ -112,24 +114,17 @@ 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 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;
-    public WorkingNote mWorkingNote;
-    //对模板WorkingNote的初始化
-    private SharedPreferences mSharedPrefs;
+    public WorkingNote mWorkingNote;//对模板WorkingNote的初始化
     //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 SharedPreferences mSharedPrefs;
+    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;
@@ -137,16 +132,14 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     public static final String TAG_CHECKED = String.valueOf('\u221A');
     public static final String TAG_UNCHECKED = String.valueOf('\u25A1');
  
-    private LinearLayout mEditTextList;
-    //线性布局
+    private LinearLayout mEditTextList;//线性布局
     private String mUserQuery;
     private Pattern mPattern;
  
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        this.setContentView(R.layout.note_edit);
-        //对数据库的访问操作
+        this.setContentView(R.layout.note_edit);//对数据库的访问操作
         if (savedInstanceState == null && !initActivityState(getIntent())) {
             finish();
             return;
diff --git a/src/Notes-master/src/net/micode/notes/ui/NoteEditText.java b/src/Notes-master/src/net/micode/notes/ui/NoteEditText.java
index 2afe2a8..7e18f7a 100644
--- a/src/Notes-master/src/net/micode/notes/ui/NoteEditText.java
+++ b/src/Notes-master/src/net/micode/notes/ui/NoteEditText.java
@@ -37,6 +37,9 @@ import net.micode.notes.R;
 import java.util.HashMap;
 import java.util.Map;
 
+/**
+ * 实现便签编辑活动
+ */
 public class NoteEditText extends EditText {
     private static final String TAG = "NoteEditText";
     private int mIndex;
diff --git a/src/Notes-master/src/net/micode/notes/ui/NoteItemData.java b/src/Notes-master/src/net/micode/notes/ui/NoteItemData.java
index 7b9be8d..4e0e4a2 100644
--- a/src/Notes-master/src/net/micode/notes/ui/NoteItemData.java
+++ b/src/Notes-master/src/net/micode/notes/ui/NoteItemData.java
@@ -9,7 +9,9 @@ import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.NoteColumns;
 import net.micode.notes.tool.DataUtils;
  
- 
+/**
+ * 便签项数据
+ */
 public class NoteItemData {
     static final String [] PROJECTION = new String [] {
         NoteColumns.ID,
@@ -25,7 +27,7 @@ public class NoteItemData {
         NoteColumns.WIDGET_ID,
         NoteColumns.WIDGET_TYPE,
     };
-    //常量标记和数据就不一一标记了，意义翻译基本就知道
+
     private static final int ID_COLUMN                    = 0;
     private static final int ALERTED_DATE_COLUMN          = 1;
     private static final int BG_COLOR_ID_COLUMN           = 2;
@@ -122,7 +124,7 @@ public class NoteItemData {
             }
         }
     }
-///以下都是获取标记没什么好说的，不过倒数第二个需要说明下，很具体看下面
+///以下都是获取标记
     public boolean isOneFollowingFolder() {
         return mIsOneNoteFollowingFolder;
     }
diff --git a/src/Notes-master/src/net/micode/notes/ui/NotesListActivity.java b/src/Notes-master/src/net/micode/notes/ui/NotesListActivity.java
index e843aec..b1d9e4a 100644
--- a/src/Notes-master/src/net/micode/notes/ui/NotesListActivity.java
+++ b/src/Notes-master/src/net/micode/notes/ui/NotesListActivity.java
@@ -78,6 +78,9 @@ import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.util.HashSet;
 
+/**
+ * 主界面，实现处理文件夹列表的功能
+ */
 public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
     private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
 
diff --git a/src/Notes-master/src/net/micode/notes/ui/NotesListItem.java b/src/Notes-master/src/net/micode/notes/ui/NotesListItem.java
index 08a8017..99196f0 100644
--- a/src/Notes-master/src/net/micode/notes/ui/NotesListItem.java
+++ b/src/Notes-master/src/net/micode/notes/ui/NotesListItem.java
@@ -14,7 +14,9 @@ import net.micode.notes.tool.DataUtils;
 import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
  
  
-//创建便签列表项目选项
+/**
+ * 创建便签列表项目选项
+ */
 public class NotesListItem extends LinearLayout {
     private ImageView mAlert;//闹钟图片
     private TextView mTitle;  //标题
@@ -23,7 +25,9 @@ public class NotesListItem extends LinearLayout {
     private NoteItemData mItemData; //标签数据
     private CheckBox mCheckBox;    //打钩框
  
-    /*初始化基本信息*/
+    /**
+    *初始化基本信息
+    */
     public NotesListItem(Context context) {
         super(context);   //super()它的主要作用是调整调用父类构造函数的顺序
         inflate(context, R.layout.note_item, this);//Inflate可用于将一个xml中定义的布局控件找出来,这里的xml是r。layout
diff --git a/src/Notes-master/src/net/micode/notes/ui/NotesPreferenceActivity.java b/src/Notes-master/src/net/micode/notes/ui/NotesPreferenceActivity.java
index 226eb1f..6d45259 100644
--- a/src/Notes-master/src/net/micode/notes/ui/NotesPreferenceActivity.java
+++ b/src/Notes-master/src/net/micode/notes/ui/NotesPreferenceActivity.java
@@ -36,26 +36,16 @@ import net.micode.notes.gtask.remote.GTaskSyncService;
  *       继承了PreferenceActivity主要功能为对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";
-                              //优先名 
-    public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";
-                              //同步账号
-    public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";
-                               //同步时间
+    public static final String PREFERENCE_NAME = "notes_preferences";//优先名 
+    public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";//同步账号
+    public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";//同步时间
     public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear";
- 
-    private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";
-                               //同步密码
-    private static final String AUTHORITIES_FILTER_KEY = "authorities";
-                               //本地密码
-    private PreferenceCategory mAccountCategory;
-                                 //账户分组
-    private GTaskReceiver mReceiver;
-                              //同步任务接收器
-    private Account[] mOriAccounts;
-                              //账户
-    private boolean mHasAddedAccount;
-                             //账户的hash标记
+    private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";//同步密码
+    private static final String AUTHORITIES_FILTER_KEY = "authorities";//本地密码
+    private PreferenceCategory mAccountCategory;//账户分组
+    private GTaskReceiver mReceiver;//同步任务接收器
+    private Account[] mOriAccounts;//账户
+    private boolean mHasAddedAccount;//账户的hash标记
  
     @Override
     /*创建一个activity*/
@@ -231,19 +221,13 @@ public class NotesPreferenceActivity extends PreferenceActivity {
             }
         }
     }
-     /*
-      *函数功能：刷新标签界面
-      *函数实现：调用上文设置账号和设置按键两个函数来实现 
-      */
+     /*函数功能：刷新标签界面*/
     private void refreshUI() {
         loadAccountPreference();
         loadSyncButton();
     }
  
-    /*
-     * 函数功能：显示账户选择的对话框并进行账户的设置
-     * 函数实现：如下注释
-     */
+    /*函数功能：显示账户选择的对话框并进行账户的设置*/
     private void showSelectAccountAlertDialog() {
         AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
         //创建一个新的对话框
@@ -313,10 +297,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         //建立新加账户对话框的监听器
     }
  
-    /*
-     * 函数功能：显示账户选择对话框和相关账户操作
-     * 函数实现：如下注释
-     */
+    /*函数功能：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);
         //创建一个新的对话框
@@ -353,19 +334,13 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         //显示对话框
     }
  
-    /*
-     *函数功能：获取谷歌账户
-     *函数实现：通过账户管理器直接获取
-     */
+    /*函数功能：获取谷歌账户*/
     private Account[] getGoogleAccounts() {
         AccountManager accountManager = AccountManager.get(this);
         return accountManager.getAccountsByType("com.google");
     }
  
-    /*
-     * 函数功能：设置同步账户
-     * 函数实现：如下注释：
-     */
+    /*函数功能：设置同步账户*/
     private void setSyncAccount(String account) {
         if (!getSyncAccountName(this).equals(account)) {
         	//假如该账号不在同步账号列表中
@@ -403,10 +378,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
             //将toast的文本信息置为“设置账户成功”并显示出来
         }
     }
-    /*
-     * 函数功能：删除同步账户
-     * 函数实现：如下注释：
-     */
+    /*函数功能：删除同步账户*/
     private void removeSyncAccount() {
         SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
         SharedPreferences.Editor editor = settings.edit();
@@ -435,20 +407,14 @@ public class NotesPreferenceActivity extends PreferenceActivity {
       //重置当地同步任务的信息
     }
     
-    /*
-     * 函数功能：获取同步账户名称
-     * 函数实现：通过共享的首选项里的信息直接获取
-     */
+    /*函数功能：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, "");
     }
  
-    /*
-     * 函数功能：设置最终同步的时间
-     * 函数实现：如下注释
-     */
+    /*函数功能：设置最终同步的时间*/
     public static void setLastSyncTime(Context context, long time) {
         SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                 Context.MODE_PRIVATE);
@@ -458,10 +424,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         editor.commit();
         //编辑最终同步时间并提交更新
     }
-    /*
-     * 函数功能：获取最终同步时间
-     * 函数实现：通过共享的首选项里的信息直接获取
-     */
+    /* 函数功能：获取最终同步时间*/
     public static long getLastSyncTime(Context context) {
         SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                 Context.MODE_PRIVATE);