Java AudioColumns.ARTIST属性代码示例

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
	String[] projection = new String[] {
            BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ALBUM, AudioColumns.ARTIST,
    };
    StringBuilder selection = new StringBuilder();
    Uri uri = Audio.Media.EXTERNAL_CONTENT_URI;
    String sortOrder = Audio.Media.DEFAULT_SORT_ORDER;
    uri = Audio.Media.EXTERNAL_CONTENT_URI;
    long[] mNowPlaying = MusicUtils.getQueue();
    if (mNowPlaying.length == 0)
        return null;
    selection = new StringBuilder();
    selection.append(BaseColumns._ID + " IN (");
    if (mNowPlaying == null || mNowPlaying.length <= 0)
        return null;
    for (long queue_id : mNowPlaying) {
        selection.append(queue_id + ",");
    }
    selection.deleteCharAt(selection.length() - 1);
    selection.append(")");
	
    return new AddIdCursorLoader(getActivity(), uri, projection, selection.toString(), null,
            sortOrder);
}
 

/**
 * Reload the queue after we remove a track
 */
private void reloadQueueCursor() {
    String[] projection = new String[] {
            BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ALBUM, AudioColumns.ARTIST,
    };
    StringBuilder selection = new StringBuilder();
    Uri uri = Audio.Media.EXTERNAL_CONTENT_URI;
    String sortOrder = Audio.Media.DEFAULT_SORT_ORDER;
    uri = Audio.Media.EXTERNAL_CONTENT_URI;
    long[] mNowPlaying = MusicUtils.getQueue();
    if (mNowPlaying.length == 0)
        return;
    selection = new StringBuilder();
    selection.append(BaseColumns._ID + " IN (");
    if (mNowPlaying == null || mNowPlaying.length <= 0)
        return;
    for (long queue_id : mNowPlaying) {
        selection.append(queue_id + ",");
    }
    selection.deleteCharAt(selection.length() - 1);
    selection.append(")");

    mCursor = MusicUtils.query(getActivity(), uri, projection, selection.toString(), null,
            sortOrder);
    mQuickQueueAdapter.changeCursor(mCursor);
}
 

@Override
public void setupFragmentData() {
       mAdapter = new AlbumListAdapter(getActivity(), R.layout.music_listview_items, null,
               								new String[] {}, new int[] {}, 0);
   	mProjection = new String[] {
               BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ALBUM, AudioColumns.ARTIST
       };
       StringBuilder where = new StringBuilder();
       where.append(AudioColumns.IS_MUSIC + "=1")
       					.append(" AND " + MediaColumns.TITLE + " != ''");
       long albumId = getArguments().getLong(BaseColumns._ID);
       where.append(" AND " + AudioColumns.ALBUM_ID + "=" + albumId);
       mWhere = where.toString();        
       mSortOrder = Audio.Media.TRACK + ", " + Audio.Media.DEFAULT_SORT_ORDER;
       mUri = Audio.Media.EXTERNAL_CONTENT_URI;
       mFragmentGroupId = 89;
       mType = TYPE_ALBUM;
       mTitleColumn = MediaColumns.TITLE; 
}
 

public void setupFragmentData(){
    mAdapter = new RecentlyAddedAdapter(getActivity(), R.layout.music_listview_items,
            null, new String[] {}, new int[] {}, 0);
	mProjection = new String[] {
            BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ALBUM, AudioColumns.ARTIST
    };
    StringBuilder where = new StringBuilder();
    int X = MusicUtils.getIntPref(getActivity(), NUMWEEKS, 5) * 3600 * 24 * 7;
    where.append(MediaColumns.TITLE + " != ''");
    where.append(" AND " + AudioColumns.IS_MUSIC + "=1");
    where.append(" AND " + MediaColumns.DATE_ADDED + ">"
            + (System.currentTimeMillis() / 1000 - X));
    mWhere = where.toString();
    mSortOrder = MediaColumns.DATE_ADDED + " DESC";
    mUri = Audio.Media.EXTERNAL_CONTENT_URI;
    mTitleColumn = MediaColumns.TITLE;       
}
 

@Override
  public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
      if (data == null) {
          return;
      }
      long[] mNowPlaying = MusicUtils.getQueue();
  	String[] audioCols = new String[] { BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ARTIST, AudioColumns.ALBUM};
      MatrixCursor playlistCursor = new MatrixCursor(audioCols);
  	for(int i = 0; i < mNowPlaying.length; i++){
  		data.moveToPosition(-1);
  		while (data.moveToNext()) {
              long audioid = data.getLong(data.getColumnIndexOrThrow(BaseColumns._ID));
          	if( audioid == mNowPlaying[i]) {
                  String trackName = data.getString(data.getColumnIndexOrThrow(MediaColumns.TITLE));
                  String artistName = data.getString(data.getColumnIndexOrThrow(AudioColumns.ARTIST));
                  String albumName = data.getString(data.getColumnIndexOrThrow(AudioColumns.ALBUM));
          		playlistCursor.addRow(new Object[] {audioid, trackName, artistName, albumName });
          	}
          }
  	}
      data.close();
mCursor = playlistCursor;
      super.onLoadFinished(loader, playlistCursor);
  }
 

public void setupFragmentData(){
    mAdapter = new GenreListAdapter(getActivity(), R.layout.music_listview_items, null,
            								new String[] {}, new int[] {}, 0);
	mProjection = new String[] {
            BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ALBUM,
            AudioColumns.ARTIST
    };
    StringBuilder where = new StringBuilder();
    where.append(AudioColumns.IS_MUSIC + "=1").append(
            				" AND " + MediaColumns.TITLE + " != ''");
    mWhere = where.toString();        
    mSortOrder = Genres.Members.DEFAULT_SORT_ORDER;
    mUri = Genres.Members.getContentUri(EXTERNAL, getArguments().getLong(BaseColumns._ID));
    mFragmentGroupId = 3;
    mType = TYPE_GENRE;
    mTitleColumn = MediaColumns.TITLE; 
}
 

@Override
public void setupFragmentData(){
    mAdapter = new ArtistListAdapter(getActivity(), R.layout.music_listview_items, null,
            								new String[] {}, new int[] {}, 0);
	mProjection = new String[] {
            BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ALBUM, AudioColumns.ARTIST
    };
    StringBuilder where = new StringBuilder();
    where.append(AudioColumns.IS_MUSIC + "=1")
    					.append(" AND " + MediaColumns.TITLE + " != ''");
    long artist_id = getArguments().getLong(BaseColumns._ID);
    where.append(" AND " + AudioColumns.ARTIST_ID + "=" + artist_id);
    mWhere = where.toString();        
    mSortOrder = MediaColumns.TITLE;
    mUri = Audio.Media.EXTERNAL_CONTENT_URI;
    mFragmentGroupId = 88;
    mType = TYPE_ARTIST;
    mTitleColumn = MediaColumns.TITLE; 
}
 

public void setupFragmentData(){
    mAdapter = new RecentlyAddedAdapter(getActivity(), R.layout.listview_items,
            null, new String[] {}, new int[] {}, 0);
	mProjection = new String[] {
            BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ALBUM, AudioColumns.ARTIST
    };
    StringBuilder where = new StringBuilder();
    int X = MusicUtils.getIntPref(getActivity(), NUMWEEKS, 5) * 3600 * 24 * 7;
    where.append(MediaColumns.TITLE + " != ''");
    where.append(" AND " + AudioColumns.IS_MUSIC + "=1");
    where.append(" AND " + MediaColumns.DATE_ADDED + ">"
            + (System.currentTimeMillis() / 1000 - X));
    mWhere = where.toString();
    mSortOrder = MediaColumns.DATE_ADDED + " DESC";
    mUri = Audio.Media.EXTERNAL_CONTENT_URI;
    mTitleColumn = MediaColumns.TITLE;       
}
 

@Override
public void setupFragmentData() {
       mAdapter = new AlbumListAdapter(getActivity(), R.layout.listview_items, null,
               								new String[] {}, new int[] {}, 0);
   	mProjection = new String[] {
               BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ALBUM, AudioColumns.ARTIST
       };
       StringBuilder where = new StringBuilder();
       where.append(AudioColumns.IS_MUSIC + "=1")
       					.append(" AND " + MediaColumns.TITLE + " != ''");
       long albumId = getArguments().getLong(BaseColumns._ID);
       where.append(" AND " + AudioColumns.ALBUM_ID + "=" + albumId);
       mWhere = where.toString();        
       mSortOrder = Audio.Media.TRACK + ", " + Audio.Media.DEFAULT_SORT_ORDER;
       mUri = Audio.Media.EXTERNAL_CONTENT_URI;
       mFragmentGroupId = 89;
       mType = TYPE_ALBUM;
       mTitleColumn = MediaColumns.TITLE; 
}
 

public void setupFragmentData(){
    mAdapter = new RecentlyAddedAdapter(getActivity(), R.layout.listview_items,
            null, new String[] {}, new int[] {}, 0);
    //构造查询语句,父类中回调,给cursorloader使用
	mProjection = new String[] {
            BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ALBUM, AudioColumns.ARTIST
    };
    StringBuilder where = new StringBuilder();
    int X = MusicUtils.getIntPref(getActivity(), NUMWEEKS, 5) * 3600 * 24 * 7;
    where.append(MediaColumns.TITLE + " != ''");
    where.append(" AND " + AudioColumns.IS_MUSIC + "=1");
    where.append(" AND " + MediaColumns.DATE_ADDED + ">"
            + (System.currentTimeMillis() / 1000 - X));
    mWhere = where.toString();
    mSortOrder = MediaColumns.DATE_ADDED + " DESC";
    //查询音乐的uri?
    mUri = Audio.Media.EXTERNAL_CONTENT_URI;
    mTitleColumn = MediaColumns.TITLE;       
}
 

public void setupFragmentData(){
    mAdapter = new GenreListAdapter(getActivity(), R.layout.listview_items, null,
            								new String[] {}, new int[] {}, 0);
	mProjection = new String[] {
            BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ALBUM,
            AudioColumns.ARTIST
    };
    StringBuilder where = new StringBuilder();
    where.append(AudioColumns.IS_MUSIC + "=1").append(
            				" AND " + MediaColumns.TITLE + " != ''");
    mWhere = where.toString();        
    mSortOrder = Genres.Members.DEFAULT_SORT_ORDER;
    mUri = Genres.Members.getContentUri(EXTERNAL, getArguments().getLong(BaseColumns._ID));
    mFragmentGroupId = 3;
    mType = TYPE_GENRE;
    mTitleColumn = MediaColumns.TITLE; 
}
 

public void setupFragmentData(){
    mAdapter = new SonglistAdapter(getActivity(), R.layout.listview_items, null,
            										new String[] {}, new int[] {}, 0);
	mProjection = new String[] {
            BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ALBUM, AudioColumns.ARTIST
    };
    StringBuilder where = new StringBuilder();
    where.append(AudioColumns.IS_MUSIC + "=1").append(" AND " + MediaColumns.TITLE + " != ''");
    mWhere = where.toString();
    mSortOrder = Audio.Media.DEFAULT_SORT_ORDER;
    mUri = Audio.Media.EXTERNAL_CONTENT_URI;
    mFragmentGroupId = 3;
    mType = TYPE_SONG;
    mTitleColumn = MediaColumns.TITLE;         
    View shuffle_temp = View.inflate(getActivity(), R.layout.shuffle_all, null);
    mListView.addHeaderView(shuffle_temp);        
	RelativeLayout  shuffle = (RelativeLayout)shuffle_temp.findViewById(R.id.shuffle_wrapper);
	shuffle.setVisibility(View.VISIBLE);
	shuffle.setOnClickListener(new RelativeLayout.OnClickListener() {  
        public void onClick(View v)
        {
            MusicUtils.suffle(getActivity());
        }

     });
}
 

@Override
public void setupFragmentData(){
    mAdapter = new ArtistListAdapter(getActivity(), R.layout.listview_items, null,
            								new String[] {}, new int[] {}, 0);
	mProjection = new String[] {
            BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ALBUM, AudioColumns.ARTIST
    };
    StringBuilder where = new StringBuilder();
    where.append(AudioColumns.IS_MUSIC + "=1")
    					.append(" AND " + MediaColumns.TITLE + " != ''");
    long artist_id = getArguments().getLong(BaseColumns._ID);
    where.append(" AND " + AudioColumns.ARTIST_ID + "=" + artist_id);
    mWhere = where.toString();        
    mSortOrder = MediaColumns.TITLE;
    mUri = Audio.Media.EXTERNAL_CONTENT_URI;
    mFragmentGroupId = 88;
    mType = TYPE_ARTIST;
    mTitleColumn = MediaColumns.TITLE; 
}
 

@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, 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;
  }
 

@Override
public void setupFragmentData() {
	mAdapter = new NowPlayingAdapter(getActivity(), R.layout.music_dragsort_listview_items, null,
	        							new String[] {}, new int[] {}, 0);
	mProjection = new String[] {
	            BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ALBUM, AudioColumns.ARTIST
	    };
	mSortOrder = Audio.Media.DEFAULT_SORT_ORDER;
	mUri = Audio.Media.EXTERNAL_CONTENT_URI;
	StringBuilder where = new StringBuilder();
	long[] mNowPlaying = MusicUtils.getQueue();
	if (mNowPlaying.length <= 0){
		where.append(AudioColumns.IS_MUSIC + "=1").append(" AND " + MediaColumns.TITLE + " != ''");
	}
	else{
		where.append(BaseColumns._ID + " IN (");
		for (long queue_id : mNowPlaying) {
		    where.append(queue_id + ",");
		}
		where.deleteCharAt(where.length() - 1);
		where.append(")");			
	}
	mWhere = where.toString();
       mMediaIdColumn = BaseColumns._ID;
       mType = TYPE_SONG;
       mFragmentGroupId = 91;
}