}        }                if (mGenre != null) {            mSortOrder = MediaStore.Audio.Genres.Members.DEFAULT_SORT_ORDER;            ret = MusicUtils.query(this,                    MediaStore.Audio.Genres.Members.getContentUri("external", Integer.valueOf(mGenre)),                    mCursorCols, where.toString(), keywords, mSortOrder);        } else if (mPlaylist != null) {            if (mPlaylist.equals("nowplaying")) {                if (MusicUtils.sService != null) {                    ret = new NowPlayingCursor(MusicUtils.sService, mCursorCols);                    if (ret.getCount() == 0) {                        finish();                    }                } else {                    // Nothing is playing.                }            } else {                mSortOrder = MediaStore.Audio.Playlists.Members.DEFAULT_SORT_ORDER;                ret = MusicUtils.query(this,                        MediaStore.Audio.Playlists.Members.getContentUri("external", Long.valueOf(mPlaylist)),                        mPlaylistMemberCols, where.toString(), keywords, mSortOrder);            }        } else {            if (mAlbumId != null) {                where.append(" AND " + MediaStore.Audio.Media.ALBUM_ID + "='" + mAlbumId + "'");                mSortOrder = MediaStore.Audio.Media.TRACK + ", " + mSortOrder;            }            where.append(" AND " + MediaStore.Audio.Media.IS_MUSIC + "=1");            ret = MusicUtils.query(this, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,                mCursorCols, where.toString() , keywords, mSortOrder);        }        return ret;    }    private class NowPlayingCursor extends AbstractCursor    {        public NowPlayingCursor(IMediaPlaybackService service, String [] cols)        {            mCols = cols;            mService  = service;            makeNowPlayingCursor();        }        private void makeNowPlayingCursor() {            mCurrentPlaylistCursor = null;            try {                mNowPlaying = mService.getQueue();            } catch (RemoteException ex) {                mNowPlaying = new int[0];            }            mSize = mNowPlaying.length;            if (mSize == 0) {                return;            }            StringBuilder where = new StringBuilder();            where.append(MediaStore.Audio.Media._ID + " IN (");            for (int i = 0; i < mSize; i++) {                where.append(mNowPlaying[i]);                if (i < mSize - 1) {                    where.append(",");                }            }            where.append(")");            mCurrentPlaylistCursor = MusicUtils.query(TrackBrowserActivity.this,                    MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,                    mCols, where.toString(), null, MediaStore.Audio.Media._ID);            if (mCurrentPlaylistCursor == null) {                mSize = 0;                return;            }                        int size = mCurrentPlaylistCursor.getCount();            mCursorIdxs = new int[size];            mCurrentPlaylistCursor.moveToFirst();            int colidx = mCurrentPlaylistCursor.getColumnIndex(MediaStore.Audio.Media._ID);            for (int i = 0; i < size; i++) {                mCursorIdxs[i] = mCurrentPlaylistCursor.getInt(colidx);                mCurrentPlaylistCursor.moveToNext();            }            mCurrentPlaylistCursor.moveToFirst();            mCurPos = -1;        }        @Override        public int getCount()        {            return mSize;        }        @Override        public boolean onMove(int oldPosition, int newPosition)        {            if (oldPosition == newPosition)                return true;                        if (mNowPlaying == null || mCursorIdxs == null) {                return false;            }            // The cursor doesn't have any duplicates in it, and is not ordered            // in queue-order, so we need to figure out where in the cursor we            // should be.                       int newid = mNowPlaying[newPosition];            int crsridx = Arrays.binarySearch(mCursorIdxs, newid);            mCurrentPlaylistCursor.moveToPosition(crsridx);            mCurPos = newPosition;                        return true;        }//        @Override//        public boolean deleteRow()//        {//            try {//                if (mService.removeTracks((int)mCurPos, (int)mCurPos) == 0) {//                    return false; // delete failed//                }//                int i = (int) mCurPos;//                mSize--;//                while (i < mSize) {//                    mNowPlaying[i] = mNowPlaying[i+1];//                    i++;//                }//                onMove(-1, (int) mCurPos);//            } catch (RemoteException ex) {//            }//            return true;//        }                public void moveItem(int from, int to) {            try {                mService.moveQueueItem(from, to);                mNowPlaying = mService.getQueue();                onMove(-1, mCurPos); // update the underlying cursor            } catch (RemoteException ex) {            }        }        private void dump() {            String where = "(";            for (int i = 0; i < mSize; i++) {                where += mNowPlaying[i];                if (i < mSize - 1) {                    where += ",";                }            }            where += ")";            Log.i("NowPlayingCursor: ", where);        }        @Override        public String getString(int column)        {            try {                return mCurrentPlaylistCursor.getString(column);            } catch (Exception ex) {                onChange(true);                return "";            }        }        @Override        public short getShort(int column)        {            return mCurrentPlaylistCursor.getShort(column);        }        @Override        public int getInt(int column)        {            try {                return mCurrentPlaylistCursor.getInt(column);            } catch (Exception ex) {                onChange(true);                return 0;            }        }        @Override        public long getLong(int column)        {            return mCurrentPlaylistCursor.getLong(column);        }        @Override        public float getFloat(int column)        {            return mCurrentPlaylistCursor.getFloat(column);        }        @Override        public double getDouble(int column)        {            return mCurrentPlaylistCursor.getDouble(column);        }        @Override        public boolean isNull(int column)        {            return mCurrentPlaylistCursor.isNull(column);        }        @Override        public String[] getColumnNames()        {            return mCols;        }                @Override        public void deactivate()        {            if (mCurrentPlaylistCursor != null)                mCurrentPlaylistCursor.deactivate();        }        @Override        public boolean requery()        {            makeNowPlayingCursor();            return true;        }        private String [] mCols;        private Cursor mCurrentPlaylistCursor;     // updated in onMove        private int mSize;          // size of the queue        private int[] mNowPlaying;        private int[] mCursorIdxs;        private int mCurPos;        private IMediaPlaybackService mService;    }        class TrackListAdapter extends SimpleCursorAdapter {        boolean mIsNowPlaying;        final int mTitleIdx;        final int mArtistIdx;        final int mAlbumIdx;        final int mDurationIdx;        int mAudioIdIdx;        private final StringBuilder mBuilder = new StringBuilder();        private final String mUnknownArtist;        private final String mUnknownAlbum;        class ViewHolder {            TextView line1;            TextView line2;            TextView duration;//            ImageView play_indicator;            CharArrayBuffer buffer1;            char [] buffer2;        }                TrackListAdapter(Context context, int layout, Cursor cursor, String[] from, int[] to,                boolean isnowplaying) {            super(context, layout, cursor, from, to);            mIsNowPlaying = isnowplaying;            mUnknownArtist = context.getString(R.string.unknown_artist_name);            mUnknownAlbum = context.getString(R.string.unknown_album_name);                        mTitleIdx = cursor.getColumnIndex(MediaStore.Audio.Media.TITLE);            mArtistIdx = cursor.getColumnIndex(MediaStore.Audio.Media.ARTIST);            mAlbumIdx = cursor.getColumnIndex(MediaStore.Audio.Media.ALBUM);            mDurationIdx = cursor.getColumnIndex(MediaStore.Audio.Media.DURATION);            mAudioIdIdx = cursor.getColumnIndex(MediaStore.Audio.Playlists.Members.AUDIO_ID);            if (mAudioIdIdx < 0) {                mAudioIdIdx = cursor.getColumnIndex(MediaStore.Audio.Media._ID);            }        }        @Override        public View newView(Context context, Cursor cursor, ViewGroup parent) {            View v = super.newView(context, cursor, parent);            ImageView iv = (ImageView) v.findViewById(R.id.icon);            if (mEditMode) {                iv.setVisibility(View.VISIBLE);                iv.setImageResource(R.drawable.ic_mp_move);                ViewGroup.LayoutParams p = iv.getLayoutParams();                p.width = ViewGroup.LayoutParams.WRAP_CONTENT;                p.height = ViewGroup.LayoutParams.WRAP_CONTENT;            } else {                iv.setVisibility(View.GONE);            }                        ViewHolder vh = new ViewHolder();            vh.line1 = (TextView) v.findViewById(R.id.line1);            vh.line2 = (TextView) v.findViewById(R.id.line2);            vh.duration = (TextView) v.findViewById(R.id.duration);//            vh.play_indicator = (ImageView) v.findViewById(R.id.play_indicator);            vh.buffer1 = new CharArrayBuffer(100);            vh.buffer2 = new char[200];            v.setTag(vh);            return v;        }        @Override        public void bindView(View view, Context context, Cursor cursor) {                        ViewHolder vh = (ViewHolder) view.getTag();                        cursor.copyStringToBuffer(mTitleIdx, vh.buffer1);            vh.line1.setText(vh.buffer1.data, 0, vh.buffer1.sizeCopied);                        int secs = cursor.getInt(mDurationIdx) / 1000;            if (secs == 0) {                vh.duration.setText("");            } else {                vh.duration.setText(MusicUtils.makeTimeString(context, secs));            }                        final StringBuilder builder = mBuilder;            builder.delete(0, builder.length());            String name = cursor.getString(mAlbumIdx);            if (name == null || name.equals(MediaFile.UNKNOWN_STRING)) {                builder.append(mUnknownAlbum);            } else {                builder.append(name);            }            builder.append('\n');            name = cursor.getString(mArtistIdx);            if (name == null || name.equals(MediaFile.UNKNOWN_STRING)) {                builder.append(mUnknownArtist);            } else {                builder.append(name);            }            int len = builder.length();            if (vh.buffer2.length < len) {                vh.buffer2 = new char[len];            }            builder.getChars(0, len, vh.buffer2, 0);            vh.line2.setText(vh.buffer2, 0, len);//            ImageView iv = vh.play_indicator;//            int id = -1;//            if (MusicUtils.sService != null) {//                // TODO: IPC call on each bind??//                try {//                    if (mIsNowPlaying) {//                        id = MusicUtils.sService.getQueuePosition();//                    } else {//                        id = MusicUtils.sService.getAudioId();//                    }//                } catch (RemoteException ex) {//                }//            }//            if ( (mIsNowPlaying && cursor.getPosition() == id) ||//                 (!mIsNowPlaying && cursor.getInt(mAudioIdIdx) == id)) {//                iv.setImageResource(R.drawable.indicator_ic_mp_playing_list);//                iv.setVisibility(View.VISIBLE);//            } else {//                iv.setVisibility(View.GONE);//            }        }                @Override        public void changeCursor(Cursor cursor) {            super.changeCursor(cursor);            mTrackCursor = cursor;        }        @Override        public Cursor runQueryOnBackgroundThread(CharSequence constraint) {            return getTrackCursor(constraint.toString());        }    }    private ListView mTrackList;    private Cursor mTrackCursor;    private String mAlbumId;    private String mArtistId;    private String mPlaylist;    private String mGenre;    private String mSortOrder;    private int mSelectedPosition;    private long mSelectedId;}