FileDocCategorySizeDatePackage
MusicUtils.javaAPI DocAndroid 1.5 API47460Wed May 06 22:42:46 BST 2009com.android.music

MusicUtils

public class MusicUtils extends Object

Fields Summary
private static final String
TAG
public static IMediaPlaybackService
sService
private static HashMap
sConnectionMap
private static final int[]
sEmptyList
private static StringBuilder
sFormatBuilder
private static Formatter
sFormatter
private static final Object[]
sTimeArgs
private static int
sArtId
private static byte[]
mCachedArt
private static android.graphics.Bitmap
mCachedBit
private static final BitmapFactory.Options
sBitmapOptionsCache
private static final BitmapFactory.Options
sBitmapOptions
private static final android.net.Uri
sArtworkUri
private static final HashMap
sArtCache
private static int
sArtCacheId
private static final String
sExternalMediaUri
Constructors Summary
Methods Summary
public static voidaddToCurrentPlaylist(android.content.Context context, int[] list)

        if (sService == null) {
            return;
        }
        try {
            sService.enqueue(list, MediaPlaybackService.LAST);
            String message = context.getResources().getQuantityString(
                    R.plurals.NNNtrackstoplaylist, list.length, Integer.valueOf(list.length));
            Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
        } catch (RemoteException ex) {
        }
public static voidaddToPlaylist(android.content.Context context, int[] ids, long playlistid)

        if (ids == null) {
            // this shouldn't happen (the menuitems shouldn't be visible
            // unless the selected item represents something playable
            Log.e("MusicBase", "ListSelection null");
        } else {
            int size = ids.length;
            ContentValues values [] = new ContentValues[size];
            ContentResolver resolver = context.getContentResolver();
            // need to determine the number of items currently in the playlist,
            // so the play_order field can be maintained.
            String[] cols = new String[] {
                    "count(*)"
            };
            Uri uri = MediaStore.Audio.Playlists.Members.getContentUri("external", playlistid);
            Cursor cur = resolver.query(uri, cols, null, null, null);
            cur.moveToFirst();
            int base = cur.getInt(0);
            cur.close();

            for (int i = 0; i < size; i++) {
                values[i] = new ContentValues();
                values[i].put(MediaStore.Audio.Playlists.Members.PLAY_ORDER, Integer.valueOf(base + i));
                values[i].put(MediaStore.Audio.Playlists.Members.AUDIO_ID, ids[i]);
            }
            resolver.bulkInsert(uri, values);
            String message = context.getResources().getQuantityString(
                    R.plurals.NNNtrackstoplaylist, size, Integer.valueOf(size));
            Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
            //mLastPlaylistSelected = playlistid;
        }
public static booleanbindToService(android.content.Context context)


         
        return bindToService(context, null);
public static booleanbindToService(android.content.Context context, android.content.ServiceConnection callback)

        context.startService(new Intent(context, MediaPlaybackService.class));
        ServiceBinder sb = new ServiceBinder(callback);
        sConnectionMap.put(context, sb);
        return context.bindService((new Intent()).setClass(context,
                MediaPlaybackService.class), sb, 0);
public static voidclearAlbumArtCache()

        synchronized(sArtCache) {
            sArtCache.clear();
        }
public static voidclearPlaylist(android.content.Context context, int plid)

        
        Uri uri = MediaStore.Audio.Playlists.Members.getContentUri("external", plid);
        context.getContentResolver().delete(uri, null, null);
        return;
public static voidclearQueue()

        try {
            sService.removeTracks(0, Integer.MAX_VALUE);
        } catch (RemoteException ex) {
        }
public static voiddeleteTracks(android.content.Context context, int[] list)

        
        String [] cols = new String [] { MediaStore.Audio.Media._ID, 
                MediaStore.Audio.Media.DATA, MediaStore.Audio.Media.ALBUM_ID };
        StringBuilder where = new StringBuilder();
        where.append(MediaStore.Audio.Media._ID + " IN (");
        for (int i = 0; i < list.length; i++) {
            where.append(list[i]);
            if (i < list.length - 1) {
                where.append(",");
            }
        }
        where.append(")");
        Cursor c = query(context, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, cols,
                where.toString(), null, null);

        if (c != null) {

            // step 1: remove selected tracks from the current playlist, as well
            // as from the album art cache
            try {
                c.moveToFirst();
                while (! c.isAfterLast()) {
                    // remove from current playlist
                    int id = c.getInt(0);
                    sService.removeTrack(id);
                    // remove from album art cache
                    int artIndex = c.getInt(2);
                    synchronized(sArtCache) {
                        sArtCache.remove(artIndex);
                    }
                    c.moveToNext();
                }
            } catch (RemoteException ex) {
            }

            // step 2: remove selected tracks from the database
            context.getContentResolver().delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, where.toString(), null);

            // step 3: remove files from card
            c.moveToFirst();
            while (! c.isAfterLast()) {
                String name = c.getString(1);
                File f = new File(name);
                try {  // File.delete can throw a security exception
                    if (!f.delete()) {
                        // I'm not sure if we'd ever get here (deletion would
                        // have to fail, but no exception thrown)
                        Log.e("MusicUtils", "Failed to delete file " + name);
                    }
                    c.moveToNext();
                } catch (SecurityException ex) {
                    c.moveToNext();
                }
            }
            c.close();
        }

        String message = context.getResources().getQuantityString(
                R.plurals.NNNtracksdeleted, list.length, Integer.valueOf(list.length));
        
        Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
        // We deleted a number of tracks, which could affect any number of things
        // in the media content domain, so update everything.
        context.getContentResolver().notifyChange(Uri.parse("content://media"), null);
public static voiddisplayDatabaseError(android.app.Activity a)

        String status = Environment.getExternalStorageState();
        int title = R.string.sdcard_error_title;
        int message = R.string.sdcard_error_message;
        
        if (status.equals(Environment.MEDIA_SHARED) ||
                status.equals(Environment.MEDIA_UNMOUNTED)) {
            title = R.string.sdcard_busy_title;
            message = R.string.sdcard_busy_message;
        } else if (status.equals(Environment.MEDIA_REMOVED)) {
            title = R.string.sdcard_missing_title;
            message = R.string.sdcard_missing_message;
        } else if (status.equals(Environment.MEDIA_MOUNTED)){
            // The card is mounted, but we didn't get a valid cursor.
            // This probably means the mediascanner hasn't started scanning the
            // card yet (there is a small window of time during boot where this
            // will happen).
            a.setTitle("");
            Intent intent = new Intent();
            intent.setClass(a, ScanningProgress.class);
            a.startActivityForResult(intent, Defs.SCAN_DONE);
        } else {
            Log.d(TAG, "sd card: " + status);
        }

        a.setTitle(title);
        View v = a.findViewById(R.id.sd_message);
        if (v != null) {
            v.setVisibility(View.VISIBLE);
        }
        v = a.findViewById(R.id.sd_icon);
        if (v != null) {
            v.setVisibility(View.VISIBLE);
        }
        v = a.findViewById(android.R.id.list);
        if (v != null) {
            v.setVisibility(View.GONE);
        }
        TextView tv = (TextView) a.findViewById(R.id.sd_message);
        tv.setText(message);
private static booleanensureFileExists(java.lang.String path)

        File file = new File(path);
        if (file.exists()) {
            return true;
        } else {
            // we will not attempt to create the first directory in the path
            // (for example, do not create /sdcard if the SD card is not mounted)
            int secondSlash = path.indexOf('/", 1);
            if (secondSlash < 1) return false;
            String directoryPath = path.substring(0, secondSlash);
            File directory = new File(directoryPath);
            if (!directory.exists())
                return false;
            file.getParentFile().mkdirs();
            try {
                return file.createNewFile();
            } catch(IOException ioe) {
                Log.d(TAG, "File creation failed for " + path);
            }
            return false;
        }
public static int[]getAllSongs(android.content.Context context)

        Cursor c = query(context, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
                new String[] {MediaStore.Audio.Media._ID}, MediaStore.Audio.Media.IS_MUSIC + "=1",
                null, null);
        try {
            if (c == null || c.getCount() == 0) {
                return null;
            }
            int len = c.getCount();
            int[] list = new int[len];
            for (int i = 0; i < len; i++) {
                c.moveToNext();
                list[i] = c.getInt(0);
            }

            return list;
        } finally {
            if (c != null) {
                c.close();
            }
        }
public static android.graphics.BitmapgetArtwork(android.content.Context context, int album_id)
Get album art for specified album. You should not pass in the album id for the "unknown" album here (use -1 instead)

        return getArtwork(context, album_id, true);
public static android.graphics.BitmapgetArtwork(android.content.Context context, int album_id, boolean allowDefault)
Get album art for specified album. You should not pass in the album id for the "unknown" album here (use -1 instead)


        if (album_id < 0) {
            // This is something that is not in the database, so get the album art directly
            // from the file.
            Bitmap bm = getArtworkFromFile(context, null, -1);
            if (bm != null) {
                return bm;
            }
            if (allowDefault) {
                return getDefaultArtwork(context);
            } else {
                return null;
            }
        }

        ContentResolver res = context.getContentResolver();
        Uri uri = ContentUris.withAppendedId(sArtworkUri, album_id);
        if (uri != null) {
            InputStream in = null;
            try {
                in = res.openInputStream(uri);
                return BitmapFactory.decodeStream(in, null, sBitmapOptions);
            } catch (FileNotFoundException ex) {
                // The album art thumbnail does not actually exist. Maybe the user deleted it, or
                // maybe it never existed to begin with.
                Bitmap bm = getArtworkFromFile(context, null, album_id);
                if (bm != null) {
                    // Put the newly found artwork in the database.
                    // Note that this shouldn't be done for the "unknown" album,
                    // but if this method is called correctly, that won't happen.
                    
                    // first write it somewhere
                    String file = Environment.getExternalStorageDirectory()
                        + "/albumthumbs/" + String.valueOf(System.currentTimeMillis());
                    if (ensureFileExists(file)) {
                        try {
                            OutputStream outstream = new FileOutputStream(file);
                            if (bm.getConfig() == null) {
                                bm = bm.copy(Bitmap.Config.RGB_565, false);
                                if (bm == null) {
                                    if (allowDefault) {
                                        return getDefaultArtwork(context);
                                    } else {
                                        return null;
                                    }
                                }
                            }
                            boolean success = bm.compress(Bitmap.CompressFormat.JPEG, 75, outstream);
                            outstream.close();
                            if (success) {
                                ContentValues values = new ContentValues();
                                values.put("album_id", album_id);
                                values.put("_data", file);
                                Uri newuri = res.insert(sArtworkUri, values);
                                if (newuri == null) {
                                    // Failed to insert in to the database. The most likely
                                    // cause of this is that the item already existed in the
                                    // database, and the most likely cause of that is that
                                    // the album was scanned before, but the user deleted the
                                    // album art from the sd card.
                                    // We can ignore that case here, since the media provider
                                    // will regenerate the album art for those entries when
                                    // it detects this.
                                    success = false;
                                }
                            }
                            if (!success) {
                                File f = new File(file);
                                f.delete();
                            }
                        } catch (FileNotFoundException e) {
                            Log.e(TAG, "error creating file", e);
                        } catch (IOException e) {
                            Log.e(TAG, "error creating file", e);
                        }
                    }
                } else if (allowDefault) {
                    bm = getDefaultArtwork(context);
                } else {
                    bm = null;
                }
                return bm;
            } finally {
                try {
                    if (in != null) {
                        in.close();
                    }
                } catch (IOException ex) {
                }
            }
        }
        
        return null;
private static android.graphics.BitmapgetArtworkFromFile(android.content.Context context, android.net.Uri uri, int albumid)

             
        Bitmap bm = null;
        byte [] art = null;
        String path = null;

        if (sArtId == albumid) {
            //Log.i("@@@@@@ ", "reusing cached data", new Exception());
            if (mCachedBit != null) {
                return mCachedBit;
            }
            art = mCachedArt;
        } else {
            // try reading embedded artwork
            if (uri == null) {
                try {
                    int curalbum = sService.getAlbumId();
                    if (curalbum == albumid || albumid < 0) {
                        path = sService.getPath();
                        if (path != null) {
                            uri = Uri.parse(path);
                        }
                    }
                } catch (RemoteException ex) {
                    return null;
                } catch (NullPointerException ex) {
                    return null;
                }
            }
            if (uri == null) {
                if (albumid >= 0) {
                    Cursor c = query(context,MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
                            new String[] { MediaStore.Audio.Media._ID, MediaStore.Audio.Media.ALBUM },
                            MediaStore.Audio.Media.ALBUM_ID + "=?", new String [] {String.valueOf(albumid)},
                            null);
                    if (c != null) {
                        c.moveToFirst();
                        if (!c.isAfterLast()) {
                            int trackid = c.getInt(0);
                            uri = ContentUris.withAppendedId(
                                    MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, trackid);
                        }
                        if (c.getString(1).equals(MediaFile.UNKNOWN_STRING)) {
                            albumid = -1;
                        }
                        c.close();
                    }
                }
            }
            if (uri != null) {
                MediaScanner scanner = new MediaScanner(context);
                ParcelFileDescriptor pfd = null;
                try {
                    pfd = context.getContentResolver().openFileDescriptor(uri, "r");
                    if (pfd != null) {
                        FileDescriptor fd = pfd.getFileDescriptor();
                        art = scanner.extractAlbumArt(fd);
                    }
                } catch (IOException ex) {
                } catch (SecurityException ex) {
                } finally {
                    try {
                        if (pfd != null) {
                            pfd.close();
                        }
                    } catch (IOException ex) {
                    }
                }
            }
        }
        // if no embedded art exists, look for AlbumArt.jpg in same directory as the media file
        if (art == null && path != null) {
            if (path.startsWith(sExternalMediaUri)) {
                // get the real path
                Cursor c = query(context,Uri.parse(path),
                        new String[] { MediaStore.Audio.Media.DATA},
                        null, null, null);
                if (c != null) {
                    c.moveToFirst();
                    if (!c.isAfterLast()) {
                        path = c.getString(0);
                    }
                    c.close();
                }
            }
            int lastSlash = path.lastIndexOf('/");
            if (lastSlash > 0) {
                String artPath = path.substring(0, lastSlash + 1) + "AlbumArt.jpg";
                File file = new File(artPath);
                if (file.exists()) {
                    art = new byte[(int)file.length()];
                    FileInputStream stream = null;
                    try {
                        stream = new FileInputStream(file);
                        stream.read(art);
                    } catch (IOException ex) {
                        art = null;
                    } finally {
                        try {
                            if (stream != null) {
                                stream.close();
                            }
                        } catch (IOException ex) {
                        }
                    }
                } else {
                    // TODO: try getting album art from the web
                }
            }
        }
        
        if (art != null) {
            try {
                // get the size of the bitmap
                BitmapFactory.Options opts = new BitmapFactory.Options();
                opts.inJustDecodeBounds = true;
                opts.inSampleSize = 1;
                BitmapFactory.decodeByteArray(art, 0, art.length, opts);
                
                // request a reasonably sized output image
                // TODO: don't hardcode the size
                while (opts.outHeight > 320 || opts.outWidth > 320) {
                    opts.outHeight /= 2;
                    opts.outWidth /= 2;
                    opts.inSampleSize *= 2;
                }
                
                // get the image for real now
                opts.inJustDecodeBounds = false;
                bm = BitmapFactory.decodeByteArray(art, 0, art.length, opts);
                if (albumid != -1) {
                    sArtId = albumid;
                }
                mCachedArt = art;
                mCachedBit = bm;
            } catch (Exception e) {
            }
        }
        return bm;
private static android.graphics.BitmapgetArtworkQuick(android.content.Context context, int album_id, int w, int h)

        // NOTE: There is in fact a 1 pixel border on the right side in the ImageView
        // used to display this drawable. Take it into account now, so we don't have to
        // scale later.
        w -= 1;
        ContentResolver res = context.getContentResolver();
        Uri uri = ContentUris.withAppendedId(sArtworkUri, album_id);
        if (uri != null) {
            ParcelFileDescriptor fd = null;
            try {
                fd = res.openFileDescriptor(uri, "r");
                int sampleSize = 1;
                
                // Compute the closest power-of-two scale factor 
                // and pass that to sBitmapOptionsCache.inSampleSize, which will
                // result in faster decoding and better quality
                sBitmapOptionsCache.inJustDecodeBounds = true;
                BitmapFactory.decodeFileDescriptor(
                        fd.getFileDescriptor(), null, sBitmapOptionsCache);
                int nextWidth = sBitmapOptionsCache.outWidth >> 1;
                int nextHeight = sBitmapOptionsCache.outHeight >> 1;
                while (nextWidth>w && nextHeight>h) {
                    sampleSize <<= 1;
                    nextWidth >>= 1;
                    nextHeight >>= 1;
                }

                sBitmapOptionsCache.inSampleSize = sampleSize;
                sBitmapOptionsCache.inJustDecodeBounds = false;
                Bitmap b = BitmapFactory.decodeFileDescriptor(
                        fd.getFileDescriptor(), null, sBitmapOptionsCache);

                if (b != null) {
                    // finally rescale to exactly the size we need
                    if (sBitmapOptionsCache.outWidth != w || sBitmapOptionsCache.outHeight != h) {
                        Bitmap tmp = Bitmap.createScaledBitmap(b, w, h, true);
                        // Bitmap.createScaledBitmap() can return the same bitmap
                        if (tmp != b) b.recycle();
                        b = tmp;
                    }
                }
                
                return b;
            } catch (FileNotFoundException e) {
            } finally {
                try {
                    if (fd != null)
                        fd.close();
                } catch (IOException e) {
                }
            }
        }
        return null;
public static android.graphics.drawable.DrawablegetCachedArtwork(android.content.Context context, int artIndex, android.graphics.drawable.BitmapDrawable defaultArtwork)

        Drawable d = null;
        synchronized(sArtCache) {
            d = sArtCache.get(artIndex);
        }
        if (d == null) {
            d = defaultArtwork;
            final Bitmap icon = defaultArtwork.getBitmap();
            int w = icon.getWidth();
            int h = icon.getHeight();
            Bitmap b = MusicUtils.getArtworkQuick(context, artIndex, w, h);
            if (b != null) {
                d = new FastBitmapDrawable(b);
                synchronized(sArtCache) {
                    // the cache may have changed since we checked
                    Drawable value = sArtCache.get(artIndex);
                    if (value == null) {
                        sArtCache.put(artIndex, d);
                    } else {
                        d = value;
                    }
                }
            }
        }
        return d;
protected static android.net.UrigetContentURIForPath(java.lang.String path)

        return Uri.fromFile(new File(path));
public static intgetCurrentAlbumId()

        if (sService != null) {
            try {
                return sService.getAlbumId();
            } catch (RemoteException ex) {
            }
        }
        return -1;
public static intgetCurrentArtistId()

        if (MusicUtils.sService != null) {
            try {
                return sService.getArtistId();
            } catch (RemoteException ex) {
            }
        }
        return -1;
public static intgetCurrentAudioId()

        if (MusicUtils.sService != null) {
            try {
                return sService.getAudioId();
            } catch (RemoteException ex) {
            }
        }
        return -1;
public static intgetCurrentShuffleMode()

        int mode = MediaPlaybackService.SHUFFLE_NONE;
        if (sService != null) {
            try {
                mode = sService.getShuffleMode();
            } catch (RemoteException ex) {
            }
        }
        return mode;
private static android.graphics.BitmapgetDefaultArtwork(android.content.Context context)

        BitmapFactory.Options opts = new BitmapFactory.Options();
        opts.inPreferredConfig = Bitmap.Config.ARGB_8888;
        return BitmapFactory.decodeStream(
                context.getResources().openRawResource(R.drawable.albumart_mp_unknown), null, opts);
static intgetIntPref(android.content.Context context, java.lang.String name, int def)

        SharedPreferences prefs =
            context.getSharedPreferences("com.android.music", Context.MODE_PRIVATE);
        return prefs.getInt(name, def);
public static int[]getSongListForAlbum(android.content.Context context, int id)

        final String[] ccols = new String[] { MediaStore.Audio.Media._ID };
        String where = MediaStore.Audio.Media.ALBUM_ID + "=" + id + " AND " + 
                MediaStore.Audio.Media.IS_MUSIC + "=1";
        Cursor cursor = query(context, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
                ccols, where, null, MediaStore.Audio.Media.TRACK);

        if (cursor != null) {
            int [] list = getSongListForCursor(cursor);
            cursor.close();
            return list;
        }
        return sEmptyList;
public static int[]getSongListForArtist(android.content.Context context, int id)

        final String[] ccols = new String[] { MediaStore.Audio.Media._ID };
        String where = MediaStore.Audio.Media.ARTIST_ID + "=" + id + " AND " + 
        MediaStore.Audio.Media.IS_MUSIC + "=1";
        Cursor cursor = query(context, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
                ccols, where, null,
                MediaStore.Audio.Media.ALBUM_KEY + ","  + MediaStore.Audio.Media.TRACK);
        
        if (cursor != null) {
            int [] list = getSongListForCursor(cursor);
            cursor.close();
            return list;
        }
        return sEmptyList;
public static int[]getSongListForCursor(android.database.Cursor cursor)

    
          
        if (cursor == null) {
            return sEmptyList;
        }
        int len = cursor.getCount();
        int [] list = new int[len];
        cursor.moveToFirst();
        int colidx = -1;
        try {
            colidx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Playlists.Members.AUDIO_ID);
        } catch (IllegalArgumentException ex) {
            colidx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Media._ID);
        }
        for (int i = 0; i < len; i++) {
            list[i] = cursor.getInt(colidx);
            cursor.moveToNext();
        }
        return list;
public static int[]getSongListForPlaylist(android.content.Context context, long plid)

        final String[] ccols = new String[] { MediaStore.Audio.Playlists.Members.AUDIO_ID };
        Cursor cursor = query(context, MediaStore.Audio.Playlists.Members.getContentUri("external", plid),
                ccols, null, null, MediaStore.Audio.Playlists.Members.DEFAULT_SORT_ORDER);
        
        if (cursor != null) {
            int [] list = getSongListForCursor(cursor);
            cursor.close();
            return list;
        }
        return sEmptyList;
public static voidhideDatabaseError(android.app.Activity a)

        View v = a.findViewById(R.id.sd_message);
        if (v != null) {
            v.setVisibility(View.GONE);
        }
        v = a.findViewById(R.id.sd_icon);
        if (v != null) {
            v.setVisibility(View.GONE);
        }
        v = a.findViewById(android.R.id.list);
        if (v != null) {
            v.setVisibility(View.VISIBLE);
        }
public static voidinitAlbumArtCache()

    
     
        // for the cache, 
        // 565 is faster to decode and display
        // and we don't want to dither here because the image will be scaled down later
        sBitmapOptionsCache.inPreferredConfig = Bitmap.Config.RGB_565;
        sBitmapOptionsCache.inDither = false;

        sBitmapOptions.inPreferredConfig = Bitmap.Config.RGB_565;
        sBitmapOptions.inDither = false;
    
        try {
            int id = sService.getMediaMountedCount();
            if (id != sArtCacheId) {
                clearAlbumArtCache();
                sArtCacheId = id; 
            }
        } catch (RemoteException e) {
            e.printStackTrace();
        }
public static booleanisMediaScannerScanning(android.content.Context context)

        boolean result = false;
        Cursor cursor = query(context, MediaStore.getMediaScannerUri(), 
                new String [] { MediaStore.MEDIA_SCANNER_VOLUME }, null, null, null);
        if (cursor != null) {
            if (cursor.getCount() == 1) {
                cursor.moveToFirst();
                result = "external".equals(cursor.getString(0));
            }
            cursor.close(); 
        } 

        return result;
public static booleanisMusicLoaded()

        if (MusicUtils.sService != null) {
            try {
                return sService.getPath() != null;
            } catch (RemoteException ex) {
            }
        }
        return false;
public static java.lang.StringmakeAlbumsLabel(android.content.Context context, int numalbums, int numsongs, boolean isUnknown)

 // this should be the last item
    

               
        // There are two formats for the albums/songs information:
        // "N Song(s)"  - used for unknown artist/album
        // "N Album(s)" - used for known albums
        
        StringBuilder songs_albums = new StringBuilder();

        Resources r = context.getResources();
        if (isUnknown) {
            if (numsongs == 1) {
                songs_albums.append(context.getString(R.string.onesong));
            } else {
                String f = r.getQuantityText(R.plurals.Nsongs, numsongs).toString();
                sFormatBuilder.setLength(0);
                sFormatter.format(f, Integer.valueOf(numsongs));
                songs_albums.append(sFormatBuilder);
            }
        } else {
            String f = r.getQuantityText(R.plurals.Nalbums, numalbums).toString();
            sFormatBuilder.setLength(0);
            sFormatter.format(f, Integer.valueOf(numalbums));
            songs_albums.append(sFormatBuilder);
            songs_albums.append(context.getString(R.string.albumsongseparator));
        }
        return songs_albums.toString();
public static java.lang.StringmakeAlbumsSongsLabel(android.content.Context context, int numalbums, int numsongs, boolean isUnknown)
This is now only used for the query screen

        // There are several formats for the albums/songs information:
        // "1 Song"   - used if there is only 1 song
        // "N Songs" - used for the "unknown artist" item
        // "1 Album"/"N Songs" 
        // "N Album"/"M Songs"
        // Depending on locale, these may need to be further subdivided
        
        StringBuilder songs_albums = new StringBuilder();

        if (numsongs == 1) {
            songs_albums.append(context.getString(R.string.onesong));
        } else {
            Resources r = context.getResources();
            if (! isUnknown) {
                String f = r.getQuantityText(R.plurals.Nalbums, numalbums).toString();
                sFormatBuilder.setLength(0);
                sFormatter.format(f, Integer.valueOf(numalbums));
                songs_albums.append(sFormatBuilder);
                songs_albums.append(context.getString(R.string.albumsongseparator));
            }
            String f = r.getQuantityText(R.plurals.Nsongs, numsongs).toString();
            sFormatBuilder.setLength(0);
            sFormatter.format(f, Integer.valueOf(numsongs));
            songs_albums.append(sFormatBuilder);
        }
        return songs_albums.toString();
public static voidmakePlaylistMenu(android.content.Context context, android.view.SubMenu sub)
Fills out the given submenu with items for "new playlist" and any existing playlists. When the user selects an item, the application will receive PLAYLIST_SELECTED with the Uri of the selected playlist, NEW_PLAYLIST if a new playlist should be created, and QUEUE if the "current playlist" was selected.

param
context The context to use for creating the menu items
param
sub The submenu to add the items to.

        String[] cols = new String[] {
                MediaStore.Audio.Playlists._ID,
                MediaStore.Audio.Playlists.NAME
        };
        ContentResolver resolver = context.getContentResolver();
        if (resolver == null) {
            System.out.println("resolver = null");
        } else {
            String whereclause = MediaStore.Audio.Playlists.NAME + " != ''";
            Cursor cur = resolver.query(MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI,
                cols, whereclause, null,
                MediaStore.Audio.Playlists.NAME);
            sub.clear();
            sub.add(1, Defs.QUEUE, 0, R.string.queue);
            sub.add(1, Defs.NEW_PLAYLIST, 0, R.string.new_playlist);
            if (cur != null && cur.getCount() > 0) {
                //sub.addSeparator(1, 0);
                cur.moveToFirst();
                while (! cur.isAfterLast()) {
                    Intent intent = new Intent();
                    intent.putExtra("playlist", cur.getInt(0));
//                    if (cur.getInt(0) == mLastPlaylistSelected) {
//                        sub.add(0, MusicBaseActivity.PLAYLIST_SELECTED, cur.getString(1)).setIntent(intent);
//                    } else {
                        sub.add(1, Defs.PLAYLIST_SELECTED, 0, cur.getString(1)).setIntent(intent);
//                    }
                    cur.moveToNext();
                }
            }
            if (cur != null) {
                cur.close();
            }
        }
public static java.lang.StringmakeTimeString(android.content.Context context, long secs)


           
        String durationformat = context.getString(R.string.durationformat);
        
        /* Provide multiple arguments so the format can be changed easily
         * by modifying the xml.
         */
        sFormatBuilder.setLength(0);

        final Object[] timeArgs = sTimeArgs;
        timeArgs[0] = secs / 3600;
        timeArgs[1] = secs / 60;
        timeArgs[2] = (secs / 60) % 60;
        timeArgs[3] = secs;
        timeArgs[4] = secs % 60;

        return sFormatter.format(durationformat, timeArgs).toString();
public static voidplayAll(android.content.Context context, android.database.Cursor cursor)

        playAll(context, cursor, 0, false);
public static voidplayAll(android.content.Context context, android.database.Cursor cursor, int position)

        playAll(context, cursor, position, false);
public static voidplayAll(android.content.Context context, int[] list, int position)

        playAll(context, list, position, false);
private static voidplayAll(android.content.Context context, android.database.Cursor cursor, int position, boolean force_shuffle)

    
        int [] list = getSongListForCursor(cursor);
        playAll(context, list, position, force_shuffle);
private static voidplayAll(android.content.Context context, int[] list, int position, boolean force_shuffle)

        if (list.length == 0 || sService == null) {
            Log.d("MusicUtils", "attempt to play empty song list");
            // Don't try to play empty playlists. Nothing good will come of it.
            String message = context.getString(R.string.emptyplaylist, list.length);
            Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
            return;
        }
        try {
            if (force_shuffle) {
                sService.setShuffleMode(MediaPlaybackService.SHUFFLE_NORMAL);
            }
            int curid = sService.getAudioId();
            int curpos = sService.getQueuePosition();
            if (position != -1 && curpos == position && curid == list[position]) {
                // The selected file is the file that's currently playing;
                // figure out if we need to restart with a new playlist,
                // or just launch the playback activity.
                int [] playlist = sService.getQueue();
                if (Arrays.equals(list, playlist)) {
                    // we don't need to set a new list, but we should resume playback if needed
                    sService.play();
                    return; // the 'finally' block will still run
                }
            }
            if (position < 0) {
                position = 0;
            }
            sService.open(list, force_shuffle ? -1 : position);
            sService.play();
        } catch (RemoteException ex) {
        } finally {
            Intent intent = new Intent("com.android.music.PLAYBACK_VIEWER")
                .setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            context.startActivity(intent);
        }
public static voidplayPlaylist(android.content.Context context, long plid)

        int [] list = getSongListForPlaylist(context, plid);
        if (list != null) {
            playAll(context, list, -1, false);
        }
public static android.database.Cursorquery(android.content.Context context, android.net.Uri uri, java.lang.String[] projection, java.lang.String selection, java.lang.String[] selectionArgs, java.lang.String sortOrder)

        try {
            ContentResolver resolver = context.getContentResolver();
            if (resolver == null) {
                return null;
            }
            return resolver.query(uri, projection, selection, selectionArgs, sortOrder);
         } catch (UnsupportedOperationException ex) {
            return null;
        }
static voidsetIntPref(android.content.Context context, java.lang.String name, int value)

        SharedPreferences prefs =
            context.getSharedPreferences("com.android.music", Context.MODE_PRIVATE);
        Editor ed = prefs.edit();
        ed.putInt(name, value);
        ed.commit();
static voidsetRingtone(android.content.Context context, long id)

        ContentResolver resolver = context.getContentResolver();
        // Set the flag in the database to mark this as a ringtone
        Uri ringUri = ContentUris.withAppendedId(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, id);
        try {
            ContentValues values = new ContentValues(2);
            values.put(MediaStore.Audio.Media.IS_RINGTONE, "1");
            values.put(MediaStore.Audio.Media.IS_ALARM, "1");
            resolver.update(ringUri, values, null, null);
        } catch (UnsupportedOperationException ex) {
            // most likely the card just got unmounted
            Log.e(TAG, "couldn't set ringtone flag for id " + id);
            return;
        }

        String[] cols = new String[] {
                MediaStore.Audio.Media._ID,
                MediaStore.Audio.Media.DATA,
                MediaStore.Audio.Media.TITLE
        };

        String where = MediaStore.Audio.Media._ID + "=" + id;
        Cursor cursor = query(context, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
                cols, where , null, null);
        try {
            if (cursor != null && cursor.getCount() == 1) {
                // Set the system setting to make this the current ringtone
                cursor.moveToFirst();
                Settings.System.putString(resolver, Settings.System.RINGTONE, ringUri.toString());
                String message = context.getString(R.string.ringtone_set, cursor.getString(2));
                Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
            }
        } finally {
            if (cursor != null) {
                cursor.close();
            }
        }
public static voidsetSpinnerState(android.app.Activity a)

        if (isMediaScannerScanning(a)) {
            // start the progress spinner
            a.getWindow().setFeatureInt(
                    Window.FEATURE_INDETERMINATE_PROGRESS,
                    Window.PROGRESS_INDETERMINATE_ON);

            a.getWindow().setFeatureInt(
                    Window.FEATURE_INDETERMINATE_PROGRESS,
                    Window.PROGRESS_VISIBILITY_ON);
        } else {
            // stop the progress spinner
            a.getWindow().setFeatureInt(
                    Window.FEATURE_INDETERMINATE_PROGRESS,
                    Window.PROGRESS_VISIBILITY_OFF);
        }
public static voidshuffleAll(android.content.Context context, android.database.Cursor cursor)

        playAll(context, cursor, 0, true);
public static voidunbindFromService(android.content.Context context)

        ServiceBinder sb = (ServiceBinder) sConnectionMap.remove(context);
        if (sb == null) {
            Log.e("MusicUtils", "Trying to unbind for unknown Context");
            return;
        }
        context.unbindService(sb);
        if (sConnectionMap.isEmpty()) {
            // presumably there is nobody interested in the service at this point,
            // so don't hang on to the ServiceConnection
            sService = null;
        }