android.content.ContentQueryMap的实例源码

项目：mobile-manager-tool    文件：AddIdCursorLoader.java   

@Override
  public Cursor loadInBackground() {

      Cursor mediaCursor = getContext().getContentResolver().query(mUri,mProjection,mSelection,mSelectionArgs,mSortOrder);
      //Get cursor filled with Audio Id's
      String [] projection =  new String[] {
              BaseColumns._ID,AlbumColumns.ALBUM
      };
      Uri uri = Audio.Albums.EXTERNAL_CONTENT_URI;
      String sortOrder = Audio.Albums.DEFAULT_SORT_ORDER;
      Cursor albumCursor = getContext().getContentResolver().query(uri,projection,null,sortOrder);

      //Matrix cursor to hold final data to be returned to calling context
      MatrixCursor cursor = new MatrixCursor( new String[]
            { BaseColumns._ID,MediaColumns.TITLE,AudioColumns.ARTIST,AudioColumns.ALBUM,AudioColumns.ALBUM_ID});
      //Map data from Audio Id cursor to the ALbumName Colum
      ContentQueryMap mQueryMap = new ContentQueryMap(albumCursor,AlbumColumns.ALBUM,false,null);

Map<String,ContentValues> data = mQueryMap.getRows();
      if (mediaCursor != null) {
          while(mediaCursor.movetoNext()) {
        String id = mediaCursor.getString(mediaCursor.getColumnIndexOrThrow(BaseColumns._ID));
        String title = mediaCursor.getString(mediaCursor.getColumnIndexOrThrow(MediaColumns.TITLE));
        String artist = mediaCursor.getString(mediaCursor.getColumnIndexOrThrow(AudioColumns.ARTIST));
        String album = mediaCursor.getString(mediaCursor.getColumnIndexOrThrow(AudioColumns.ALBUM));

        ContentValues tData = data.get(album);
        String albumid = (String) tData.get(BaseColumns._ID);
        cursor.addRow(new String[] {id,title,artist,album,albumid});
          }
          mediaCursor.close();
      }

      if (cursor != null) {
          // Ensure the cursor window is filled
          registerContentObserver(cursor,mObserver);
      }
      return cursor;
  }

项目：com.cp.monsterMod    文件：AddIdCursorLoader.java   

@Override
  public Cursor loadInBackground() {

      Cursor mediaCursor = getContext().getContentResolver().query(mUri,AlbumColumns.ALBUM
      };        
      Uri uri = Audio.Albums.EXTERNAL_CONTENT_URI;
      String sortOrder = Audio.Albums.DEFAULT_SORT_ORDER;
      Cursor albumCursor = getContext().getContentResolver().query(uri,mObserver);
      }
      return cursor;
  }

项目：itmarry    文件：AddIdCursorLoader.java   

@Override
  public Cursor loadInBackground() {

      Cursor mediaCursor = getContext().getContentResolver().query(mUri,mObserver);
      }
      return cursor;
  }

项目：xPlodMusic    文件：AddIdCursorLoader.java   

@Override
  public Cursor loadInBackground() {

      Cursor mediaCursor = getContext().getContentResolver().query(mUri,mObserver);
      }
      return cursor;
  }