MusicUtils.java 文件源码

/**
 * @param context The {@link Context} to use.
 * @param id      The id of the album.
 * @return The release date for an album.
 */
public static final String getReleaseDateForAlbum(final Context context, final long id) {
    if (id == -1) {
        return null;
    }
    Uri uri = ContentUris.withAppendedId(MediaStore.Audio.Albums.EXTERNAL_CONTENT_URI, id);
    Cursor cursor = context.getContentResolver().query(uri, new String[]{
            AlbumColumns.FIRST_YEAR
    }, null, null, null);
    String releaseDate = null;
    if (cursor != null) {
        cursor.moveToFirst();
        if (!cursor.isAfterLast()) {
            releaseDate = cursor.getString(0);
        }
        cursor.close();
        cursor = null;
    }
    return releaseDate;
}