src/main/java/net/micode/notes/gtask/exception/ActionFailureException.java

@@ -13,12 +13,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+//小米便签行为异常处理
 package net.micode.notes.gtask.exception;
 
+/**
+ *从RuntimeException类派生出ActionFailureException类，用来处理行为异常
+ */
 public class ActionFailureException extends RuntimeException {
-    private static final long serialVersionUID = 4425249765923293627L;
 
+    private static final long serialVersionUID = 4425249765923293627L;//serialVersionUID相当于java类的身份证，主要用于版本控制。验证版本一致性，如果不一致会导致反序列化的时候版本不一致的异常。
+//交给父类的构造函数（包括下面的两个构造函数）
     public ActionFailureException() {
         super();
     }

src/main/java/net/micode/notes/gtask/exception/NetworkFailureException.java

@@ -16,9 +16,12 @@
 
 package net.micode.notes.gtask.exception;
 
+/**
+ * 从Exception类派生出NetworkFailureException类，用来处理网络异常
+ */
 public class NetworkFailureException extends Exception {
-    private static final long serialVersionUID = 2107610287180234136L;
-
+    private static final long serialVersionUID = 2107610287180234136L;//serialVersionUID作用是序列化时保持版本的兼容性，即在版本升级时反序列化仍保持对象的唯一性
+//NetworkFailureException类构造函数，调用父类构造函数，此处相当于Exception ( )
     public NetworkFailureException() {
         super();
     }

src/main/java/net/micode/notes/gtask/remote/GTaskASyncTask.java

@@ -28,23 +28,31 @@ import net.micode.notes.R;
 import net.micode.notes.ui.NotesListActivity;
 import net.micode.notes.ui.NotesPreferenceActivity;
 
-
+/**
+ * 异步操作类，实现GTask的异步操作过程
+ */
 public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
 
     private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
-
+   //初始化异步功能
     public interface OnCompleteListener {
         void onComplete();
     }
 
-    private Context mContext;
+    private Context mContext;//文本内容
 
-    private NotificationManager mNotifiManager;
+    private NotificationManager mNotifiManager;//对象： 通知管理器类的实例化
 
-    private GTaskManager mTaskManager;
+    private GTaskManager mTaskManager;//实例化任务管理器
 
-    private OnCompleteListener mOnCompleteListener;
 
+    private OnCompleteListener mOnCompleteListener;//实例化是否完成的监听器
+
+    /**
+     * GTaskASyncTask类的构造函数
+     * @param context
+     * @param listener
+     */
     public GTaskASyncTask(Context context, OnCompleteListener listener) {
         mContext = context;
         mOnCompleteListener = listener;
@@ -52,27 +60,29 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
                 .getSystemService(Context.NOTIFICATION_SERVICE);
         mTaskManager = GTaskManager.getInstance();
     }
-
+     //取消同步
     public void cancelSync() {
         mTaskManager.cancelSync();
     }
-
+    //显示消息
     public void publishProgess(String message) {
         publishProgress(new String[] {
             message
         });
     }
-
+   //显示通知
     private void showNotification(int tickerId, String content) {
         PendingIntent pendingIntent;
+        //若同步不成功，则从系统获得一个对象来启动NotesPreferenceActivity
         if (tickerId != R.string.ticker_success) {
             pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
                     NotesPreferenceActivity.class), 0);
-
+        //若同步成功，则从系统中获得一个对象来启动NotesListActivity
         } else {
             pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
                     NotesListActivity.class), 0);
         }
+        // 设置最新事件信息
         Notification.Builder builder = new Notification.Builder(mContext)
                 .setAutoCancel(true)
                 .setContentTitle(mContext.getString(R.string.app_name))
@@ -83,13 +93,14 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
         Notification notification=builder.getNotification();
         mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);
     }
+    //在后台执行，完成主要工作
     @Override
     protected Integer doInBackground(Void... unused) {
         publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
                 .getSyncAccountName(mContext)));
         return mTaskManager.sync(mContext, this);
     }
-
+    //显示进度的更新
     @Override
     protected void onProgressUpdate(String... progress) {
         showNotification(R.string.ticker_syncing, progress[0]);
@@ -97,17 +108,21 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
             ((GTaskSyncService) mContext).sendBroadcast(progress[0]);
         }
     }
-
+   //用于在执行完后台任务后更新UI,显示结果即进度条
     @Override
     protected void onPostExecute(Integer result) {
+        //同步成功，显示相应的东西。
         if (result == GTaskManager.STATE_SUCCESS) {
             showNotification(R.string.ticker_success, mContext.getString(
                     R.string.success_sync_account, mTaskManager.getSyncAccount()));
             NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis());
+            //因网络错误而同步失败
         } else if (result == GTaskManager.STATE_NETWORK_ERROR) {
             showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network));
+           //网络错误导致同步错误。
         } else if (result == GTaskManager.STATE_INTERNAL_ERROR) {
             showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal));
+            //软件内部错误
         } else if (result == GTaskManager.STATE_SYNC_CANCELLED) {
             showNotification(R.string.ticker_cancel, mContext
                     .getString(R.string.error_sync_cancelled));

src/main/java/net/micode/notes/ui/FoldersListAdapter.java

@@ -34,16 +34,20 @@ public class FoldersListAdapter extends CursorAdapter {
         NoteColumns.ID,
         NoteColumns.SNIPPET
     };
+
     public static final int ID_COLUMN   = 0;
     public static final int NAME_COLUMN = 1;
+
     public FoldersListAdapter(Context context, Cursor c) {
         super(context, c);
         // TODO Auto-generated constructor stub
     }
+
     @Override
     public View newView(Context context, Cursor cursor, ViewGroup parent) {
         return new FolderListItem(context);
     }
+
     @Override
     public void bindView(View view, Context context, Cursor cursor) {
         if (view instanceof FolderListItem) {

src/main/java/net/micode/notes/ui/NotesListActivity.java

@@ -61,7 +61,6 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import net.micode.notes.R;
-import net.micode.notes.activityTool.ActivitysManager;
 import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.NoteColumns;
 import net.micode.notes.gtask.remote.GTaskSyncService;
@@ -80,10 +79,9 @@ import java.io.InputStreamReader;
 import java.util.HashSet;
 
 public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
-    private int mode = -1;
     private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
 
-    private static final int FOLDER_LIST_QUERY_TOKEN = 1;
+    private static final int FOLDER_LIST_QUERY_TOKEN      = 1;
 
     private static final int MENU_FOLDER_DELETE = 0;
 
@@ -95,9 +93,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
 
     private enum ListEditState {
         NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
-    }
-
-    ;
+    };
 
     private ListEditState mState;
 
@@ -137,13 +133,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
             + NoteColumns.NOTES_COUNT + ">0)";
 
     private final static int REQUEST_CODE_OPEN_NODE = 102;
-    private final static int REQUEST_CODE_NEW_NODE = 103;
+    private final static int REQUEST_CODE_NEW_NODE  = 103;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.note_list);
-        getWindow().setBackgroundDrawableResource(R.drawable.ltby);
         initResources();
 
         /**
@@ -151,7 +146,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
          */
         setAppInfoFromRawRes();
     }
-    public int flag;
+
     @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         if (resultCode == RESULT_OK
@@ -168,11 +163,11 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
             StringBuilder sb = new StringBuilder();
             InputStream in = null;
             try {
-                in = getResources().openRawResource(R.raw.introduction);
+                 in = getResources().openRawResource(R.raw.introduction);
                 if (in != null) {
                     InputStreamReader isr = new InputStreamReader(in);
                     BufferedReader br = new BufferedReader(isr);
-                    char[] buf = new char[1024];
+                    char [] buf = new char[1024];
                     int len = 0;
                     while ((len = br.read(buf)) > 0) {
                         sb.append(buf, 0, len);
@@ -185,7 +180,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                 e.printStackTrace();
                 return;
             } finally {
-                if (in != null) {
+                if(in != null) {
                     try {
                         in.close();
                     } catch (IOException e) {
@@ -263,7 +258,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
             mDropDownMenu = new DropdownMenu(NotesListActivity.this,
                     (Button) customView.findViewById(R.id.selection_menu),
                     R.menu.note_list_dropdown);
-            mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
+            mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){
                 public boolean onMenuItemClick(MenuItem item) {
                     mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());
                     updateMenu();
@@ -312,7 +307,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         }
 
         public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
-                                              boolean checked) {
+                boolean checked) {
             mNotesListAdapter.setCheckedItem(position, checked);
             updateMenu();
         }
@@ -330,14 +325,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                     builder.setTitle(getString(R.string.alert_title_delete));
                     builder.setIcon(android.R.drawable.ic_dialog_alert);
                     builder.setMessage(getString(R.string.alert_message_delete_notes,
-                            mNotesListAdapter.getSelectedCount()));
+                                             mNotesListAdapter.getSelectedCount()));
                     builder.setPositiveButton(android.R.string.ok,
-                            new DialogInterface.OnClickListener() {
-                                public void onClick(DialogInterface dialog,
-                                                    int which) {
-                                    batchDelete();
-                                }
-                            });
+                                             new DialogInterface.OnClickListener() {
+                                                 public void onClick(DialogInterface dialog,
+                                                         int which) {
+                                                     batchDelete();
+                                                 }
+                                             });
                     builder.setNegativeButton(android.R.string.cancel, null);
                     builder.show();
                     break;
@@ -411,16 +406,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
             return false;
         }
 
-    }
-
-    ;
+    };
 
     private void startAsyncNotesListQuery() {
         String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION
                 : NORMAL_SELECTION;
         mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
-                Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[]{
-                        String.valueOf(mCurrentFolderId)
+                Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] {
+                    String.valueOf(mCurrentFolderId)
                 }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
     }
 
@@ -548,28 +541,22 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
     }
 
     private void openFolder(NoteItemData data) {
-
-        Intent intent = null;
-        intent = new Intent(NotesListActivity.this,pwdActivity.class);
-        startActivity(intent);
-        ActivitysManager.putActivity(this,"NotesListActivity");
-            mCurrentFolderId = data.getId();
-            startAsyncNotesListQuery();
-            if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
-                mState = ListEditState.CALL_RECORD_FOLDER;
-                mAddNewNote.setVisibility(View.GONE);
-            } else {
-                mState = ListEditState.SUB_FOLDER;
-            }
-            if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
-                mTitleBar.setText(R.string.call_record_folder_name);
-            } else {
-                mTitleBar.setText(data.getSnippet());
-            }
-            mTitleBar.setVisibility(View.VISIBLE);
+        mCurrentFolderId = data.getId();
+        startAsyncNotesListQuery();
+        if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
+            mState = ListEditState.CALL_RECORD_FOLDER;
+            mAddNewNote.setVisibility(View.GONE);
+        } else {
+            mState = ListEditState.SUB_FOLDER;
+        }
+        if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
+            mTitleBar.setText(R.string.call_record_folder_name);
+        } else {
+            mTitleBar.setText(data.getSnippet());
+        }
+        mTitleBar.setVisibility(View.VISIBLE);
     }
 
-
     public void onClick(View v) {
         switch (v.getId()) {
             case R.id.btn_new_note:
@@ -776,8 +763,8 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
     @Override
     public boolean onPrepareOptionsMenu(Menu menu) {
         menu.clear();
-        getMenuInflater().inflate(R.menu.note_list, menu);
         if (mState == ListEditState.NOTE_LIST) {
+            getMenuInflater().inflate(R.menu.note_list, menu);
             // set sync or sync_cancel
             menu.findItem(R.id.menu_sync).setTitle(
                     GTaskSyncService.isSyncing() ? R.string.menu_sync_cancel : R.string.menu_sync);
@@ -788,26 +775,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         } else {
             Log.e(TAG, "Wrong state:" + mState);
         }
-        if(mode==-1)
-           menu.findItem(R.id.menu_ltby).setVisible(false);
-        else if(mode==0)
-            menu.findItem(R.id.menu_lxy).setVisible(false);
         return true;
     }
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
-            case R.id.menu_ltby:{
-                mode=-1;
-                getWindow().setBackgroundDrawableResource((R.drawable.ltby));
-                break;
-            }
-            case R.id.menu_lxy:{
-                mode=0;
-                getWindow().setBackgroundDrawableResource((R.drawable.lxy));
-                break;
-            }
             case R.id.menu_new_folder: {
                 showCreateOrModifyFolderDialog(true);
                 break;