列出专辑时，我无法显示来自媒体商店的专辑封面，我得到了
错误
Bad request for field slot 0,-1. numRows = 32, numColumns = 7
01-02 02:48:16.789: D/AndroidRuntime(4963): Shutting down VM
01-02 02:48:16.789: W/dalvikvm(4963): threadid=1: thread exiting with uncaught exception (group=0x4001e578)
01-02 02:48:16.804: E/AndroidRuntime(4963): FATAL EXCEPTION: main
01-02 02:48:16.804: E/AndroidRuntime(4963): java.lang.IllegalStateException: get field slot from row 0 col -1 failed
任何人都可以帮助解决这个问题，在此先感谢
public class AlbumbsListActivity extends Activity {
private ListAdapter albumListAdapter;
private HashMap<Integer, Integer> albumInfo;
private HashMap<Integer, Integer> albumListInfo;
private HashMap<Integer, String> albumListTitleInfo;
private String audioMediaId;
private static final String TAG = "AlbumsListActivity";
Boolean showAlbumList = false;
Boolean AlbumListTitle = false;
ImageView album_art ;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.albums_list_layout);
Cursor cursor;
ContentResolver cr = getApplicationContext().getContentResolver();
if (getIntent().hasExtra(Util.ALBUM_ID)) {
int albumId = getIntent().getIntExtra(Util.ALBUM_ID,
Util.MINUS_ONE);
String[] projection = new String[] { Albums._ID, Albums.ALBUM, Albums.ARTIST, Albums.ALBUM_ART, Albums.NUMBER_OF_SONGS };
String selection = null;
String[] selectionArgs = null;
String sortOrder = Media.ALBUM + " ASC";
cursor = cr.query(Albums.EXTERNAL_CONTENT_URI, projection, selection, selectionArgs, sortOrder);
/* final String[] ccols = new String[] {
//MediaStore.Audio.Albums.,
MediaStore.Audio.Albums._ID,
MediaStore.Audio.Albums.ALBUM,
MediaStore.Audio.Albums.ARTIST,
MediaStore.Audio.Albums.ALBUM_ART,
MediaStore.Audio.Albums.NUMBER_OF_SONGS
};
cursor = cr.query(MediaStore.Audio.Albums.getContentUri(
"external"), ccols, null, null,
MediaStore.Audio.Albums.DEFAULT_SORT_ORDER);*/
showAlbumList = true;
}
else
{
String order = MediaStore.Audio.Albums.ALBUM + " ASC";
String where = MediaStore.Audio.Albums.ALBUM;
cursor = managedQuery(Media.EXTERNAL_CONTENT_URI,
DbUtil.projection, null, null, order);
showAlbumList = false;
}
albumInfo = new HashMap<Integer, Integer>();
albumListInfo = new HashMap<Integer, Integer>();
ListView listView = (ListView) findViewById(R.id.mylist_album);
listView.setFastScrollEnabled(true);
listView.setOnItemLongClickListener(new ItemLongClickListener());
listView.setAdapter(new AlbumCursorAdapter(this, cursor,
DbUtil.displayFields, DbUtil.displayViews,showAlbumList));
final Uri uri = MediaStore.Audio.Albums.EXTERNAL_CONTENT_URI;
final Cursor albumListCursor = cr.query(uri, DbUtil.Albumprojection,
null, null, null);
}
private class AlbumCursorAdapter extends SimpleCursorAdapter implements SectionIndexer{
private final Context context;
private final Cursor cursorValues;
private Time musicTime;
private Boolean isAlbumList;
private MusicAlphabetIndexer mIndexer;
private int mTitleIdx;
public AlbumCursorAdapter(Context context, Cursor cursor, String[] from,
int[] to,Boolean isAlbumList) {
super(context, 0, cursor, from, to);
this.context = context;
this.cursorValues = cursor;
//musicTime = new Time();
this.isAlbumList = isAlbumList;
}
String albumName="";
String artistName = "";
String numberofsongs = "";
long albumid;
@Override
public View getView(int position, View convertView, ViewGroup parent)
{
View rowView = convertView;
if (rowView == null) {
LayoutInflater inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
rowView = inflater
.inflate(R.layout.row_album_layout, parent, false);
}
this.cursorValues.moveToPosition(position);
String title = "";
String artistName = "";
String albumName = "";
int count;
long albumid = 0;
String songDuration = "";
if (isAlbumList) {
albumInfo.put(
position,
Integer.parseInt(this.cursorValues.getString(this.cursorValues
.getColumnIndex(MediaStore.Audio.Albums._ID))));
artistName = this.cursorValues
.getString(this.cursorValues
.getColumnIndex(MediaStore.Audio.Albums.ARTIST));
albumName = this.cursorValues
.getString(this.cursorValues
.getColumnIndex(MediaStore.Audio.Albums.ALBUM));
albumid=Integer.parseInt(this.cursorValues.getString(this.cursorValues
.getColumnIndex(MediaStore.Audio.Albums.ALBUM_ID)));
} else {
albumInfo.put(position, Integer.parseInt(this.cursorValues
.getString(this.cursorValues
.getColumnIndex(MediaStore.Audio.Media._ID))));
artistName = this.cursorValues.getString(this.cursorValues
.getColumnIndex(MediaStore.Audio.Media.ARTIST));
albumName = this.cursorValues.getString(this.cursorValues
.getColumnIndex(MediaStore.Audio.Media.ALBUM));
albumid=Integer.parseInt(this.cursorValues.getString(this.cursorValues
.getColumnIndex(MediaStore.Audio.Media.ALBUM_ID)));
}
//code for Alphabetical Indexer
mTitleIdx = cursorValues.getColumnIndex(MediaStore.Audio.Media.ALBUM);
mIndexer = new MusicAlphabetIndexer(cursorValues, mTitleIdx,
getResources().getString(R.string.fast_scroll_alphabet));
//end
TextView metaone = (TextView) rowView.findViewById(R.id.album_name);
TextView metatwo = (TextView) rowView.findViewById(R.id.artist_name);
ImageView metafour = (ImageView) rowView.findViewById(R.id.album_art);
TextView metathree = (TextView) rowView
.findViewById(R.id.songs_count);
metaone.setText(albumName);
metatwo.setText(artistName);
(metafour)getAlbumArt(albumid);
System.out.println("albumid----------"+albumid);
metaThree.setText(DbUtil.makeTimeString(context, secs));
getAlbumArt(albumid);
}
TextView metaone = (TextView) rowView.findViewById(R.id.album_name);
TextView metatwo = (TextView) rowView.findViewById(R.id.artist_name);
album_art = (ImageView) rowView.findViewById(R.id.album_art);
//TextView metathree = (TextView) rowView.findViewById(R.id.songs_count);
metaone.setText(albumName);
metatwo.setText(artistName);
return rowView;
}
}
String albumArtUri = "";
private void getAlbumArt(long albumid) {
Uri uri=ContentUris.withAppendedId(MediaStore.Audio.Albums.EXTERNAL_CONTENT_URI, albumid);
System.out.println("hhhhhhhhhhh" + uri);
Cursor cursor = getContentResolver().query(
ContentUris.withAppendedId(
MediaStore.Audio.Albums.EXTERNAL_CONTENT_URI, albumid),
new String[] { MediaStore.Audio.AlbumColumns.ALBUM_ART },
null,
null,
null);
if (cursor.moveToFirst()) {
albumArtUri = cursor.getString(0);
}
System.out.println("kkkkkkkkkkkkkkkkkkk :" + albumArtUri);
cursor.close();
if(albumArtUri != null){
Options opts = new Options();
opts.inJustDecodeBounds = true;
Bitmap albumCoverBitmap = BitmapFactory.decodeFile(albumArtUri, opts);
opts.inJustDecodeBounds = false;
albumCoverBitmap = BitmapFactory.decodeFile(albumArtUri, opts);
if(albumCoverBitmap != null)
album_art.setImageBitmap(albumCoverBitmap);
}else {
// TODO:
Options opts = new Options();
Bitmap albumCoverBitmap = BitmapFactory.decodeResource(getApplicationContext().getResources(),
R.drawable.albumart_mp_unknown_list, opts);
if(albumCoverBitmap != null)
album_art.setImageBitmap(albumCoverBitmap);
}
}
}
}