Java tutorial
/* * Copyright (C) 2012 Andrew Neal * Copyright (C) 2014 The CyanogenMod Project * Licensed under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law * or agreed to in writing, software distributed under the License is * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the specific language * governing permissions and limitations under the License. */ package singh.amandeep.musicplayer; import android.annotation.SuppressLint; import android.app.AlarmManager; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.app.Service; import android.content.BroadcastReceiver; import android.content.ComponentName; import android.content.ContentResolver; import android.content.ContentUris; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.SharedPreferences; import android.database.ContentObserver; import android.database.Cursor; import android.database.MatrixCursor; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.media.AudioManager; import android.media.AudioManager.OnAudioFocusChangeListener; import android.media.MediaPlayer; import android.media.audiofx.AudioEffect; import android.net.Uri; import android.os.Handler; import android.os.HandlerThread; import android.os.IBinder; import android.os.Looper; import android.os.Message; import android.os.PowerManager; import android.os.PowerManager.WakeLock; import android.os.RemoteException; import android.os.SystemClock; import android.provider.MediaStore; import android.provider.MediaStore.Audio.AlbumColumns; import android.provider.MediaStore.Audio.AudioColumns; import android.support.v4.media.MediaMetadataCompat; import android.support.v4.media.session.MediaSessionCompat; import android.support.v4.media.session.PlaybackStateCompat; import android.support.v7.app.NotificationCompat; import android.text.TextUtils; import android.util.Log; import java.io.File; import java.io.IOException; import java.lang.ref.WeakReference; import java.util.ArrayList; import java.util.LinkedList; import java.util.ListIterator; import java.util.Random; import java.util.TreeSet; import singh.amandeep.musicplayer.Config.IdType; import singh.amandeep.musicplayer.utils.MusicPlaybackState; import singh.amandeep.musicplayer.utils.MusicUtils; import singh.amandeep.musicplayer.utils.RecentStore; import singh.amandeep.musicplayer.utils.SongPlayCount; /** * A backbround {@link Service} used to keep music playing between activities * and when the user moves Apollo into the background. */ @SuppressLint("NewApi") public class MusicService extends Service { /** * Indicates that the music has paused or resumed */ public static final String PLAYSTATE_CHANGED = ".playstatechanged"; /** * Indicates that music playback position within * a title was changed */ public static final String POSITION_CHANGED = ".positionchanged"; /** * Indicates the meta data has changed in some way, like a track change */ public static final String META_CHANGED = ".metachanged"; /** * Indicates the queue has been updated */ public static final String QUEUE_CHANGED = ".queuechanged"; /** * Indicates the queue has been updated */ public static final String PLAYLIST_CHANGED = ".playlistchanged"; /** * Indicates the repeat mode changed */ public static final String REPEATMODE_CHANGED = ".repeatmodechanged"; /** * Indicates the shuffle mode changed */ public static final String SHUFFLEMODE_CHANGED = ".shufflemodechanged"; /** * Indicates the track fails to play */ public static final String TRACK_ERROR = ".trackerror"; /** * For backwards compatibility reasons, also provide sticky * broadcasts under the music package */ public static final String MusicPLayer_PACKAGE_NAME = "singh.amamndeep.musicplayer"; public static final String MUSIC_PACKAGE_NAME = "com.android.music"; /** * Called to indicate a general service commmand. */ public static final String SERVICECMD = ".musicservicecommand"; /** * Called to go toggle between pausing and playing the music */ public static final String TOGGLEPAUSE_ACTION = ".togglepause"; /** * Called to go to pause the playback */ public static final String PAUSE_ACTION = ".pause"; /** * Called to go to stop the playback */ public static final String STOP_ACTION = ".stop"; /** * Called to go to the previous track or the beginning of the track if partway through the track */ public static final String PREVIOUS_ACTION = ".previous"; /** * Called to go to the previous track regardless of how far in the current track the playback is */ public static final String PREVIOUS_FORCE_ACTION = ".previous.force"; /** * Called to go to the next track */ public static final String NEXT_ACTION = ".next"; /** * Called to change the repeat mode */ public static final String REPEAT_ACTION = ".repeat"; /** * Called to change the shuffle mode */ public static final String SHUFFLE_ACTION = ".shuffle"; public static final String FROM_MEDIA_BUTTON = "frommediabutton"; /** * Used to easily notify a list that it should refresh. i.e. A playlist * changes */ public static final String REFRESH = ".refresh"; /** * Called to notify of a timed text */ public static final String NEW_LYRICS = ".lyrics"; /** * Called to update the remote control client */ public static final String UPDATE_LOCKSCREEN = ".updatelockscreen"; public static final String CMDNAME = "command"; public static final String CMDTOGGLEPAUSE = "togglepause"; public static final String CMDSTOP = "stop"; public static final String CMDPAUSE = "pause"; public static final String CMDPLAY = "play"; public static final String CMDPREVIOUS = "previous"; public static final String CMDNEXT = "next"; public static final String CMDNOTIF = "buttonId"; /** * Moves a list to the next position in the queue */ public static final int NEXT = 2; /** * Moves a list to the last position in the queue */ public static final int LAST = 3; /** * Shuffles no songs, turns shuffling off */ public static final int SHUFFLE_NONE = 0; /** * Shuffles all songs */ public static final int SHUFFLE_NORMAL = 1; /** * Party shuffle */ public static final int SHUFFLE_AUTO = 2; /** * Turns repeat off */ public static final int REPEAT_NONE = 0; /** * Repeats the current track in a list */ public static final int REPEAT_CURRENT = 1; /** * Repeats all the tracks in a list */ public static final int REPEAT_ALL = 2; /** * The max size allowed for the track history * TODO: Comeback and rewrite/fix all the whole queue code bugs after demo * https://cyanogen.atlassian.net/browse/MUSIC-175 * https://cyanogen.atlassian.net/browse/MUSIC-44 */ public static final int MAX_HISTORY_SIZE = 1000; private static final String TAG = "MusicService"; private static final boolean D = false; /** * Used by the alarm intent to shutdown the service after being idle */ private static final String SHUTDOWN = ".shutdown"; private static final int IDCOLIDX = 0; /** * Indicates when the track ends */ private static final int TRACK_ENDED = 1; /** * Indicates that the current track was changed the next track */ private static final int TRACK_WENT_TO_NEXT = 2; /** * Indicates when the release the wake lock */ private static final int RELEASE_WAKELOCK = 3; /** * Indicates the player died */ private static final int SERVER_DIED = 4; /** * Indicates some sort of focus change, maybe a phone call */ private static final int FOCUSCHANGE = 5; /** * Indicates to fade the volume down */ private static final int FADEDOWN = 6; /** * Indicates to fade the volume back up */ private static final int FADEUP = 7; /** * Notifies that there is a new timed text string */ private static final int LYRICS = 8; /** * Idle time before stopping the foreground notfication (5 minutes) */ private static final int IDLE_DELAY = 5 * 60 * 1000; /** * Song play time used as threshold for rewinding to the beginning of the * track instead of skipping to the previous track when getting the PREVIOUS * command */ private static final long REWIND_INSTEAD_PREVIOUS_THRESHOLD = 3000; /** * The columns used to retrieve any info from the current track */ private static final String[] PROJECTION = new String[] { "audio._id AS _id", MediaStore.Audio.Media.ARTIST, MediaStore.Audio.Media.ALBUM, MediaStore.Audio.Media.TITLE, MediaStore.Audio.Media.DATA, MediaStore.Audio.Media.MIME_TYPE, MediaStore.Audio.Media.ALBUM_ID, MediaStore.Audio.Media.ARTIST_ID }; /** * The columns used to retrieve any info from the current album */ private static final String[] ALBUM_PROJECTION = new String[] { MediaStore.Audio.Albums.ALBUM, MediaStore.Audio.Albums.ARTIST, MediaStore.Audio.Albums.LAST_YEAR }; /** * Used to shuffle the tracks */ private static final Shuffler mShuffler = new Shuffler(); private static final int NOTIFY_MODE_NONE = 0; private static final int NOTIFY_MODE_FOREGROUND = 1; private static final int NOTIFY_MODE_BACKGROUND = 2; /* Columns for a pseudo cursor we are creating for downloaded songs Modeled after mCursor to be able to respond to respond to the same queries as it */ private static final String[] PROJECTION_MATRIX = new String[] { "_id", MediaStore.Audio.Media.ARTIST, MediaStore.Audio.Media.ALBUM, MediaStore.Audio.Media.TITLE, MediaStore.Audio.Media.DATA, MediaStore.Audio.Media.MIME_TYPE, MediaStore.Audio.Media.ALBUM_ID, MediaStore.Audio.Media.ARTIST_ID }; /** * Keeps a mapping of the track history */ private static LinkedList<Integer> mHistory = new LinkedList<>(); final Uri sArtUri = Uri.parse("content://media/external/audio/albumart"); /** * Service stub */ private final IBinder mBinder = new ServiceStub(this); Uri mAlbumArtUri = ContentUris.withAppendedId(sArtUri, MusicUtils.getCurrentAlbumId()); private Bitmap art; /** * The media player */ private MultiPlayer mPlayer; /** * The path of the current file to play */ private String mFileToPlay; /** * Keeps the service running when the screen is off */ private WakeLock mWakeLock; /** * Alarm intent for removing the notification when nothing is playing * for some time */ private AlarmManager mAlarmManager; private PendingIntent mShutdownIntent; private boolean mShutdownScheduled; private NotificationManager mNotificationManager; /** * The cursor used to retrieve info on the current track and run the * necessary queries to play audio files */ private Cursor mCursor; /** * The cursor used to retrieve info on the album the current track is * part of, if any. */ private Cursor mAlbumCursor; /** * Monitors the audio state */ private AudioManager mAudioManager; /** * Settings used to save and retrieve the queue and history */ private SharedPreferences mPreferences; /** * Used to know when the service is active */ private boolean mServiceInUse = false; /** * Used to know if something should be playing or not */ private boolean mIsSupposedToBePlaying = false; /** * Gets the last played time to determine whether we still want notifications or not */ private long mLastPlayedTime; private int mNotifyMode = NOTIFY_MODE_NONE; private long mNotificationPostTime = 0; /** * Used to indicate if the queue can be saved */ private boolean mQueueIsSaveable = true; /** * Used to track what type of audio focus loss caused the playback to pause */ private boolean mPausedByTransientLossOfFocus = false; /** * Lock screen controls */ private MediaSessionCompat mSession; private ComponentName mMediaButtonReceiverComponent; // We use this to distinguish between different cards when saving/restoring // playlists private int mCardId; private int mPlayPos = -1; private int mNextPlayPos = -1; private int mOpenFailedCounter = 0; private int mMediaMountedCount = 0; private int mShuffleMode = SHUFFLE_NONE; private int mRepeatMode = REPEAT_NONE; private int mServiceStartId = -1; private String mLyrics; private ArrayList<MusicPlaybackTrack> mPlaylist = new ArrayList<>(100); private long[] mAutoShuffleList = null; private MusicPlayerHandler mPlayerHandler; private final OnAudioFocusChangeListener mAudioFocusListener = new OnAudioFocusChangeListener() { /** * {@inheritDoc} */ @Override public void onAudioFocusChange(final int focusChange) { mPlayerHandler.obtainMessage(FOCUSCHANGE, focusChange, 0).sendToTarget(); } }; //private BitmapWithColors[] mCachedBitmapWithColors = new BitmapWithColors[2]; private HandlerThread mHandlerThread; private BroadcastReceiver mUnmountReceiver = null; /** * Image cache */ // private ImageFetcher mImageFetcher; // to improve perf, instead of hitting the disk cache or file cache, store the bitmaps in memory private String mCachedKey; /** * Recently listened database */ private RecentStore mRecentsCache; /** * The song play count database */ private SongPlayCount mSongPlayCountCache; /** * Stores the playback state */ private MusicPlaybackState mPlaybackStateStore; /** * Called to start listening to shakes */ private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { /** * {@inheritDoc} */ @Override public void onReceive(final Context context, final Intent intent) { final String command = intent.getStringExtra(CMDNAME); handleCommandIntent(intent); } }; private ContentObserver mMediaStoreObserver; /** * {@inheritDoc} */ @Override public IBinder onBind(final Intent intent) { if (D) Log.d(TAG, "Service bound, intent = " + intent); cancelShutdown(); mServiceInUse = true; return mBinder; } /** * {@inheritDoc} */ @Override public boolean onUnbind(final Intent intent) { if (D) Log.d(TAG, "Service unbound"); mServiceInUse = false; saveQueue(true); if (mIsSupposedToBePlaying || mPausedByTransientLossOfFocus) { // Something is currently playing, or will be playing once // an in-progress action requesting audio focus ends, so don't stop // the service now. return true; // If there is a playlist but playback is paused, then wait a while // before stopping the service, so that pause/resume isn't slow. // Also delay stopping the service if we're transitioning between // tracks. } else if (mPlaylist.size() > 0 || mPlayerHandler.hasMessages(TRACK_ENDED)) { scheduleDelayedShutdown(); return true; } stopSelf(mServiceStartId); return true; } /** * {@inheritDoc} */ @Override public void onRebind(final Intent intent) { cancelShutdown(); mServiceInUse = true; } /** * {@inheritDoc} */ @Override public void onCreate() { if (D) Log.d(TAG, "Creating service"); super.onCreate(); mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); // Initialize the favorites and recents databases mRecentsCache = RecentStore.getInstance(this); // gets the song play count cache mSongPlayCountCache = SongPlayCount.getInstance(this); // gets a pointer to the playback state store mPlaybackStateStore = MusicPlaybackState.getInstance(this); /*// Initialize the image fetcher mImageFetcher = ImageFetcher.getInstance(this); // Initialize the image cache mImageFetcher.setImageCache(ImageCache.getInstance(this));*/ // Start up the thread running the service. Note that we create a // separate thread because the service normally runs in the process's // main thread, which we don't want to block. We also make it // background priority so CPU-intensive work will not disrupt the UI. mHandlerThread = new HandlerThread("MusicPlayerHandler", android.os.Process.THREAD_PRIORITY_BACKGROUND); mHandlerThread.start(); // Initialize the handler mPlayerHandler = new MusicPlayerHandler(this, mHandlerThread.getLooper()); // Initialize the audio manager and register any headset controls for // playback mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE); mMediaButtonReceiverComponent = new ComponentName(getPackageName(), MediaButtonIntentReceiver.class.getName()); mAudioManager.registerMediaButtonEventReceiver(mMediaButtonReceiverComponent); // Use the remote control APIs to set the playback state setUpMediaSession(); // Initialize the preferences mPreferences = getSharedPreferences("Service", 0); mCardId = getCardId(); registerExternalStorageListener(); // Initialize the media player mPlayer = new MultiPlayer(this); mPlayer.setHandler(mPlayerHandler); // Initialize the intent filter and each action final IntentFilter filter = new IntentFilter(); filter.addAction(SERVICECMD); filter.addAction(TOGGLEPAUSE_ACTION); filter.addAction(PAUSE_ACTION); filter.addAction(STOP_ACTION); filter.addAction(NEXT_ACTION); filter.addAction(PREVIOUS_ACTION); filter.addAction(PREVIOUS_FORCE_ACTION); filter.addAction(REPEAT_ACTION); filter.addAction(SHUFFLE_ACTION); // Attach the broadcast listener registerReceiver(mIntentReceiver, filter); // Get events when MediaStore content changes mMediaStoreObserver = new MediaStoreObserver(mPlayerHandler); getContentResolver().registerContentObserver(MediaStore.Audio.Media.INTERNAL_CONTENT_URI, true, mMediaStoreObserver); getContentResolver().registerContentObserver(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, true, mMediaStoreObserver); // Initialize the wake lock final PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE); mWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, getClass().getName()); mWakeLock.setReferenceCounted(false); // Initialize the delayed shutdown intent final Intent shutdownIntent = new Intent(this, MusicService.class); shutdownIntent.setAction(SHUTDOWN); mAlarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE); mShutdownIntent = PendingIntent.getService(this, 0, shutdownIntent, 0); // Listen for the idle state scheduleDelayedShutdown(); // Bring the queue back reloadQueue(); notifyChange(QUEUE_CHANGED); notifyChange(META_CHANGED); } private void setUpMediaSession() { mSession = new MediaSessionCompat(this, "Music Player", mMediaButtonReceiverComponent, mShutdownIntent); mSession.setCallback(new MediaSessionCompat.Callback() { @Override public void onPause() { pause(); mPausedByTransientLossOfFocus = false; } @Override public void onPlay() { play(); } @Override public void onSeekTo(long pos) { seek(pos); } @Override public void onSkipToNext() { gotoNext(true); } @Override public void onSkipToPrevious() { prev(false); } @Override public void onStop() { pause(); mPausedByTransientLossOfFocus = false; seek(0); releaseServiceUiAndStop(); } }); mSession.setFlags(MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS); } /** * {@inheritDoc} */ @Override public void onDestroy() { if (D) Log.d(TAG, "Destroying service"); super.onDestroy(); // Remove any sound effects final Intent audioEffectsIntent = new Intent(AudioEffect.ACTION_CLOSE_AUDIO_EFFECT_CONTROL_SESSION); audioEffectsIntent.putExtra(AudioEffect.EXTRA_AUDIO_SESSION, getAudioSessionId()); audioEffectsIntent.putExtra(AudioEffect.EXTRA_PACKAGE_NAME, getPackageName()); sendBroadcast(audioEffectsIntent); // remove any pending alarms mAlarmManager.cancel(mShutdownIntent); // Remove any callbacks from the handler mPlayerHandler.removeCallbacksAndMessages(null); // quit the thread so that anything that gets posted won't run mHandlerThread.quitSafely(); // Release the player mPlayer.release(); mPlayer = null; // Remove the audio focus listener and lock screen controls mAudioManager.abandonAudioFocus(mAudioFocusListener); mSession.release(); // remove the media store observer getContentResolver().unregisterContentObserver(mMediaStoreObserver); // Close the cursor closeCursor(); // Unregister the mount listener unregisterReceiver(mIntentReceiver); if (mUnmountReceiver != null) { unregisterReceiver(mUnmountReceiver); mUnmountReceiver = null; } // Release the wake lock mWakeLock.release(); } /** * {@inheritDoc} */ @Override public int onStartCommand(final Intent intent, final int flags, final int startId) { if (D) Log.d(TAG, "Got new intent " + intent + ", startId = " + startId); mServiceStartId = startId; if (intent != null) { final String action = intent.getAction(); if (SHUTDOWN.equals(action)) { mShutdownScheduled = false; releaseServiceUiAndStop(); return START_NOT_STICKY; } handleCommandIntent(intent); } // Make sure the service will shut down on its own if it was // just started but not bound to and nothing is playing scheduleDelayedShutdown(); if (intent != null && intent.getBooleanExtra(FROM_MEDIA_BUTTON, false)) { MediaButtonIntentReceiver.completeWakefulIntent(intent); } return START_STICKY; } private void releaseServiceUiAndStop() { if (isPlaying() || mPausedByTransientLossOfFocus || mPlayerHandler.hasMessages(TRACK_ENDED)) { return; } if (D) Log.d(TAG, "Nothing is playing anymore, releasing notification"); cancelNotification(); mAudioManager.abandonAudioFocus(mAudioFocusListener); mSession.setActive(false); if (!mServiceInUse) { saveQueue(true); stopSelf(mServiceStartId); } } private void handleCommandIntent(Intent intent) { final String action = intent.getAction(); final String command = SERVICECMD.equals(action) ? intent.getStringExtra(CMDNAME) : null; if (D) Log.d(TAG, "handleCommandIntent: action = " + action + ", command = " + command); if (CMDNEXT.equals(command) || NEXT_ACTION.equals(action)) { gotoNext(true); } else if (CMDPREVIOUS.equals(command) || PREVIOUS_ACTION.equals(action) || PREVIOUS_FORCE_ACTION.equals(action)) { prev(PREVIOUS_FORCE_ACTION.equals(action)); } else if (CMDTOGGLEPAUSE.equals(command) || TOGGLEPAUSE_ACTION.equals(action)) { if (isPlaying()) { pause(); mPausedByTransientLossOfFocus = false; } else { play(); } } else if (CMDPAUSE.equals(command) || PAUSE_ACTION.equals(action)) { pause(); mPausedByTransientLossOfFocus = false; } else if (CMDPLAY.equals(command)) { play(); } else if (CMDSTOP.equals(command) || STOP_ACTION.equals(action)) { pause(); mPausedByTransientLossOfFocus = false; seek(0); releaseServiceUiAndStop(); } else if (REPEAT_ACTION.equals(action)) { cycleRepeat(); } else if (SHUFFLE_ACTION.equals(action)) { cycleShuffle(); } } /** * Updates the notification, considering the current play and activity state */ private void updateNotification() { final int newNotifyMode; if (isPlaying()) { newNotifyMode = NOTIFY_MODE_FOREGROUND; } else if (recentlyPlayed()) { newNotifyMode = NOTIFY_MODE_BACKGROUND; } else { newNotifyMode = NOTIFY_MODE_NONE; } int notificationId = hashCode(); if (mNotifyMode != newNotifyMode) { if (mNotifyMode == NOTIFY_MODE_FOREGROUND) { stopForeground(newNotifyMode == NOTIFY_MODE_NONE); } else if (newNotifyMode == NOTIFY_MODE_NONE) { mNotificationManager.cancel(notificationId); mNotificationPostTime = 0; } } if (newNotifyMode == NOTIFY_MODE_FOREGROUND) { startForeground(notificationId, buildNotification()); } else if (newNotifyMode == NOTIFY_MODE_BACKGROUND) { mNotificationManager.notify(notificationId, buildNotification()); } mNotifyMode = newNotifyMode; } private void cancelNotification() { stopForeground(true); mNotificationManager.cancel(hashCode()); mNotificationPostTime = 0; mNotifyMode = NOTIFY_MODE_NONE; } /** * @return A card ID used to save and restore playlists, i.e., the queue. */ private int getCardId() { final ContentResolver resolver = getContentResolver(); Cursor cursor = resolver.query(Uri.parse("content://media/external/fs_id"), null, null, null, null); int mCardId = -1; if (cursor != null && cursor.moveToFirst()) { mCardId = cursor.getInt(0); cursor.close(); cursor = null; } return mCardId; } /** * Called when we receive a ACTION_MEDIA_EJECT notification. * * @param storagePath The path to mount point for the removed media */ public void closeExternalStorageFiles(final String storagePath) { stop(true); notifyChange(QUEUE_CHANGED); notifyChange(META_CHANGED); } /** * Registers an intent to listen for ACTION_MEDIA_EJECT notifications. The * intent will call closeExternalStorageFiles() if the external media is * going to be ejected, so applications can clean up any files they have * open. */ public void registerExternalStorageListener() { if (mUnmountReceiver == null) { mUnmountReceiver = new BroadcastReceiver() { /** * {@inheritDoc} */ @Override public void onReceive(final Context context, final Intent intent) { final String action = intent.getAction(); if (action.equals(Intent.ACTION_MEDIA_EJECT)) { saveQueue(true); mQueueIsSaveable = false; closeExternalStorageFiles(intent.getData().getPath()); } else if (action.equals(Intent.ACTION_MEDIA_MOUNTED)) { mMediaMountedCount++; mCardId = getCardId(); reloadQueue(); mQueueIsSaveable = true; notifyChange(QUEUE_CHANGED); notifyChange(META_CHANGED); } } }; final IntentFilter filter = new IntentFilter(); filter.addAction(Intent.ACTION_MEDIA_EJECT); filter.addAction(Intent.ACTION_MEDIA_MOUNTED); filter.addDataScheme("file"); registerReceiver(mUnmountReceiver, filter); } } private void scheduleDelayedShutdown() { if (D) Log.v(TAG, "Scheduling shutdown in " + IDLE_DELAY + " ms"); mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime() + IDLE_DELAY, mShutdownIntent); mShutdownScheduled = true; } private void cancelShutdown() { if (D) Log.d(TAG, "Cancelling delayed shutdown, scheduled = " + mShutdownScheduled); if (mShutdownScheduled) { mAlarmManager.cancel(mShutdownIntent); mShutdownScheduled = false; } } /** * Stops playback * * @param goToIdle True to go to the idle state, false otherwise */ private void stop(final boolean goToIdle) { if (D) Log.d(TAG, "Stopping playback, goToIdle = " + goToIdle); if (mPlayer.isInitialized()) { mPlayer.stop(); } mFileToPlay = null; closeCursor(); if (goToIdle) { setIsSupposedToBePlaying(false, false); } else { stopForeground(false); } } /** * Removes the range of tracks specified from the play list. If a file * within the range is the file currently being played, playback will move * to the next file after the range. * * @param first The first file to be removed * @param last The last file to be removed * @return the number of tracks deleted */ private int removeTracksInternal(int first, int last) { synchronized (this) { if (last < first) { return 0; } else if (first < 0) { first = 0; } else if (last >= mPlaylist.size()) { last = mPlaylist.size() - 1; } boolean gotonext = false; if (first <= mPlayPos && mPlayPos <= last) { mPlayPos = first; gotonext = true; } else if (mPlayPos > last) { mPlayPos -= last - first + 1; } final int numToRemove = last - first + 1; if (first == 0 && last == mPlaylist.size() - 1) { mPlayPos = -1; mNextPlayPos = -1; mPlaylist.clear(); mHistory.clear(); } else { for (int i = 0; i < numToRemove; i++) { mPlaylist.remove(first); } // remove the items from the history // this is not ideal as the history shouldn't be impacted by this // but since we are removing items from the array, it will throw // an exception if we keep it around. Idealistically with the queue // rewrite this should be all be fixed // https://cyanogen.atlassian.net/browse/MUSIC-44 ListIterator<Integer> positionIterator = mHistory.listIterator(); while (positionIterator.hasNext()) { int pos = positionIterator.next(); if (pos >= first && pos <= last) { positionIterator.remove(); } else if (pos > last) { positionIterator.set(pos - numToRemove); } } } if (gotonext) { if (mPlaylist.size() == 0) { stop(true); mPlayPos = -1; closeCursor(); } else { if (mShuffleMode != SHUFFLE_NONE) { mPlayPos = getNextPosition(true); } else if (mPlayPos >= mPlaylist.size()) { mPlayPos = 0; } final boolean wasPlaying = isPlaying(); stop(false); openCurrentAndNext(); if (wasPlaying) { play(); } } notifyChange(META_CHANGED); } return last - first + 1; } } /** * Adds a list to the playlist * * @param list The list to add * @param position The position to place the tracks */ private void addToPlayList(final long[] list, int position, long sourceId, IdType sourceType) { final int addlen = list.length; if (position < 0) { mPlaylist.clear(); position = 0; } mPlaylist.ensureCapacity(mPlaylist.size() + addlen); if (position > mPlaylist.size()) { position = mPlaylist.size(); } final ArrayList<MusicPlaybackTrack> arrayList = new ArrayList<>(addlen); for (int i = 0; i < list.length; i++) { arrayList.add(new MusicPlaybackTrack(list[i], sourceId, sourceType, i)); } mPlaylist.addAll(position, arrayList); if (mPlaylist.size() == 0) { closeCursor(); notifyChange(META_CHANGED); } } /** * @param trackId The track ID */ private void updateCursor(final long trackId) { updateCursor("_id=" + trackId, null); } private void updateCursor(final String selection, final String[] selectionArgs) { synchronized (this) { closeCursor(); mCursor = openCursorAndGoToFirst(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, PROJECTION, selection, selectionArgs); } updateAlbumCursor(); } private void updateCursor(final Uri uri) { synchronized (this) { closeCursor(); mCursor = openCursorAndGoToFirst(uri, PROJECTION, null, null); } updateAlbumCursor(); } private void updateAlbumCursor() { long albumId = getAlbumId(); if (albumId >= 0) { mAlbumCursor = openCursorAndGoToFirst(MediaStore.Audio.Albums.EXTERNAL_CONTENT_URI, ALBUM_PROJECTION, "_id=" + albumId, null); } else { mAlbumCursor = null; } } private Cursor openCursorAndGoToFirst(Uri uri, String[] projection, String selection, String[] selectionArgs) { Cursor c = getContentResolver().query(uri, projection, selection, selectionArgs, null, null); if (c == null) { return null; } if (!c.moveToFirst()) { c.close(); return null; } return c; } private synchronized void closeCursor() { if (mCursor != null) { mCursor.close(); mCursor = null; } if (mAlbumCursor != null) { mAlbumCursor.close(); mAlbumCursor = null; } } /** * Called to open a new file as the current track and prepare the next for * playback */ private void openCurrentAndNext() { openCurrentAndMaybeNext(true); } /** * Called to open a new file as the current track and prepare the next for * playback * * @param openNext True to prepare the next track for playback, false * otherwise. */ private void openCurrentAndMaybeNext(final boolean openNext) { synchronized (this) { closeCursor(); if (mPlaylist.size() == 0) { return; } stop(false); boolean shutdown = false; updateCursor(mPlaylist.get(mPlayPos).mId); while (true) { if (mCursor != null && openFile( MediaStore.Audio.Media.EXTERNAL_CONTENT_URI + "/" + mCursor.getLong(IDCOLIDX))) { break; } // if we get here then opening the file failed. We can close the // cursor now, because // we're either going to create a new one next, or stop trying closeCursor(); if (mOpenFailedCounter++ < 10 && mPlaylist.size() > 1) { final int pos = getNextPosition(false); if (pos < 0) { shutdown = true; break; } mPlayPos = pos; stop(false); mPlayPos = pos; updateCursor(mPlaylist.get(mPlayPos).mId); } else { mOpenFailedCounter = 0; Log.w(TAG, "Failed to open file for playback"); shutdown = true; break; } } if (shutdown) { scheduleDelayedShutdown(); if (mIsSupposedToBePlaying) { mIsSupposedToBePlaying = false; notifyChange(PLAYSTATE_CHANGED); } } else if (openNext) { setNextTrack(); } } } private void sendErrorMessage(final String trackName) { final Intent i = new Intent(TRACK_ERROR); i.putExtra(TrackErrorExtra.TRACK_NAME, trackName); sendBroadcast(i); } private int getNextPosition(final boolean force) { // as a base case, if the playlist is empty just return -1 if (mPlaylist == null || mPlaylist.isEmpty()) { return -1; } // if we're not forced to go to the next track and we are only playing the current track if (!force && mRepeatMode == REPEAT_CURRENT) { if (mPlayPos < 0) { return 0; } return mPlayPos; } else if (mShuffleMode == SHUFFLE_NORMAL) { final int numTracks = mPlaylist.size(); // count the number of times a track has been played final int[] trackNumPlays = new int[numTracks]; for (int i = 0; i < numTracks; i++) { // set it all to 0 trackNumPlays[i] = 0; } // walk through the history and add up the number of times the track // has been played final int numHistory = mHistory.size(); for (int i = 0; i < numHistory; i++) { final int idx = mHistory.get(i); if (idx >= 0 && idx < numTracks) { trackNumPlays[idx]++; } } // also add the currently playing track to the count if (mPlayPos >= 0 && mPlayPos < numTracks) { trackNumPlays[mPlayPos]++; } // figure out the least # of times a track has a played as well as // how many tracks share that count int minNumPlays = Integer.MAX_VALUE; int numTracksWithMinNumPlays = 0; for (int trackNumPlay : trackNumPlays) { // if we found a new track that has less number of plays, reset the counters if (trackNumPlay < minNumPlays) { minNumPlays = trackNumPlay; numTracksWithMinNumPlays = 1; } else if (trackNumPlay == minNumPlays) { // increment this track shares the # of tracks numTracksWithMinNumPlays++; } } // if we've played each track at least once and all tracks have been played an equal // # of times and we aren't repeating all and we're not forcing a track, then // return no more tracks if (minNumPlays > 0 && numTracksWithMinNumPlays == numTracks && mRepeatMode != REPEAT_ALL && !force) { return -1; } // else pick a track from the least number of played tracks int skip = mShuffler.nextInt(numTracksWithMinNumPlays); for (int i = 0; i < trackNumPlays.length; i++) { if (trackNumPlays[i] == minNumPlays) { if (skip == 0) { return i; } else { skip--; } } } // Unexpected to land here if (D) Log.e(TAG, "Getting the next position resulted did not get a result when it should have"); return -1; } else if (mShuffleMode == SHUFFLE_AUTO) { doAutoShuffleUpdate(); return mPlayPos + 1; } else { if (mPlayPos >= mPlaylist.size() - 1) { if (mRepeatMode == REPEAT_NONE && !force) { return -1; } else if (mRepeatMode == REPEAT_ALL || force) { return 0; } return -1; } else { return mPlayPos + 1; } } } /** * Sets the track to be played */ private void setNextTrack() { setNextTrack(getNextPosition(false)); } /** * Sets the next track to be played * * @param position the target position we want */ private void setNextTrack(int position) { mNextPlayPos = position; if (D) Log.d(TAG, "setNextTrack: next play position = " + mNextPlayPos); if (mNextPlayPos >= 0 && mPlaylist != null && mNextPlayPos < mPlaylist.size()) { final long id = mPlaylist.get(mNextPlayPos).mId; mPlayer.setNextDataSource(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI + "/" + id); } else { mPlayer.setNextDataSource(null); } } /** * Creates a shuffled playlist used for party mode */ private boolean makeAutoShuffleList() { Cursor cursor = null; try { cursor = getContentResolver().query(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, new String[] { MediaStore.Audio.Media._ID }, MediaStore.Audio.Media.IS_MUSIC + "=1", null, null); if (cursor == null || cursor.getCount() == 0) { return false; } final int len = cursor.getCount(); final long[] list = new long[len]; for (int i = 0; i < len; i++) { cursor.moveToNext(); list[i] = cursor.getLong(0); } mAutoShuffleList = list; return true; } catch (final RuntimeException e) { e.printStackTrace(); } finally { if (cursor != null) { cursor.close(); cursor = null; } } return false; } /** * Creates the party shuffle playlist */ private void doAutoShuffleUpdate() { boolean notify = false; if (mPlayPos > 10) { removeTracks(0, mPlayPos - 9); notify = true; } final int toAdd = 7 - (mPlaylist.size() - (mPlayPos < 0 ? -1 : mPlayPos)); for (int i = 0; i < toAdd; i++) { int lookback = mHistory.size(); int idx = -1; while (true) { idx = mShuffler.nextInt(mAutoShuffleList.length); if (!wasRecentlyUsed(idx, lookback)) { break; } lookback /= 2; } mHistory.add(idx); if (mHistory.size() > MAX_HISTORY_SIZE) { mHistory.remove(0); } mPlaylist.add(new MusicPlaybackTrack(mAutoShuffleList[idx], -1, IdType.NA, -1)); notify = true; } if (notify) { notifyChange(QUEUE_CHANGED); } } /**/ private boolean wasRecentlyUsed(final int idx, int lookbacksize) { if (lookbacksize == 0) { return false; } final int histsize = mHistory.size(); if (histsize < lookbacksize) { lookbacksize = histsize; } final int maxidx = histsize - 1; for (int i = 0; i < lookbacksize; i++) { final long entry = mHistory.get(maxidx - i); if (entry == idx) { return true; } } return false; } /** * Notify the change-receivers that something has changed. */ private void notifyChange(final String what) { if (D) Log.d(TAG, "notifyChange: what = " + what); // Update the lockscreen controls updateMediaSession(what); if (what.equals(POSITION_CHANGED)) { return; } final Intent intent = new Intent(what); intent.putExtra("id", getAudioId()); intent.putExtra("artist", getArtistName()); intent.putExtra("album", getAlbumName()); intent.putExtra("track", getTrackName()); intent.putExtra("playing", isPlaying()); if (NEW_LYRICS.equals(what)) { intent.putExtra("lyrics", mLyrics); } sendStickyBroadcast(intent); final Intent musicIntent = new Intent(intent); musicIntent.setAction(what.replace(MusicPLayer_PACKAGE_NAME, MUSIC_PACKAGE_NAME)); sendStickyBroadcast(musicIntent); switch (what) { case META_CHANGED: // Add the track to the recently played list. mRecentsCache.addSongId(getAudioId()); mSongPlayCountCache.bumpSongCount(getAudioId()); break; case QUEUE_CHANGED: saveQueue(true); if (isPlaying()) { // if we are in shuffle mode and our next track is still valid, // try to re-use the track // We need to reimplement the queue to prevent hacky solutions like this // https://cyanogen.atlassian.net/browse/MUSIC-175 // https://cyanogen.atlassian.net/browse/MUSIC-44 if (mNextPlayPos >= 0 && mNextPlayPos < mPlaylist.size() && getShuffleMode() != SHUFFLE_NONE) { setNextTrack(mNextPlayPos); } else { setNextTrack(); } } break; default: saveQueue(false); break; } if (what.equals(PLAYSTATE_CHANGED)) { updateNotification(); } } private void updateMediaSession(final String what) { int playState = mIsSupposedToBePlaying ? PlaybackStateCompat.STATE_PLAYING : PlaybackStateCompat.STATE_PAUSED; final Uri mAlbumArtUri = ContentUris.withAppendedId(sArtUri, getAlbumId()); final Bitmap defBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.default_album_art); final MediaMetadataCompat.Builder builder = new MediaMetadataCompat.Builder() .putString(MediaMetadataCompat.METADATA_KEY_ARTIST, getArtistName()) .putString(MediaMetadataCompat.METADATA_KEY_ALBUM_ARTIST, getAlbumArtistName()) .putString(MediaMetadataCompat.METADATA_KEY_ALBUM, getAlbumName()) .putString(MediaMetadataCompat.METADATA_KEY_TITLE, getTrackName()) .putLong(MediaMetadataCompat.METADATA_KEY_DURATION, duration()) .putLong(MediaMetadataCompat.METADATA_KEY_TRACK_NUMBER, getQueuePosition() + 1) .putLong(MediaMetadataCompat.METADATA_KEY_NUM_TRACKS, getQueue().length) .putString(MediaMetadataCompat.METADATA_KEY_GENRE, getGenreName()) .putBitmap(MediaMetadataCompat.METADATA_KEY_ALBUM_ART, ImageLoader.getAlbumArt(getApplicationContext(), getAlbumId())); mSession.setMetadata(builder.build()); if (what.equals(PLAYSTATE_CHANGED) || what.equals(POSITION_CHANGED)) { mSession.setPlaybackState( new PlaybackStateCompat.Builder().setState(playState, position(), 1.0f).build()); } else if (what.equals(META_CHANGED) || what.equals(QUEUE_CHANGED)) { mSession.setPlaybackState( new PlaybackStateCompat.Builder().setState(playState, position(), 1.0f).build()); } } private Notification buildNotification() { final String albumName = getAlbumName(); final String artistName = getArtistName(); final boolean isPlaying = isPlaying(); String text = TextUtils.isEmpty(albumName) ? artistName : artistName + " - " + albumName; int playButtonResId = isPlaying ? R.drawable.ic_pause : R.drawable.ic_play_arrow; int playButtonTitleResId = isPlaying ? R.string.pause : R.string.play; NotificationCompat.MediaStyle style = new NotificationCompat.MediaStyle() .setMediaSession(mSession.getSessionToken()).setShowActionsInCompactView(0, 1, 2); Intent nowPlayingIntent = new Intent("AUDIO_PLAYER").addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); PendingIntent clickIntent = PendingIntent.getActivity(this, 0, nowPlayingIntent, 0); if (mNotificationPostTime == 0) { mNotificationPostTime = System.currentTimeMillis(); } final NotificationCompat.Builder builder = new NotificationCompat.Builder(this); builder.setSmallIcon(R.drawable.ic_songs_24dp); builder.setContentIntent(clickIntent); builder.setContentTitle(getTrackName()); builder.setContentText(text); builder.setWhen(mNotificationPostTime); builder.setShowWhen(false); builder.setStyle(style); builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC); builder.addAction(R.drawable.ic_skip_previous_black_24dp, getString(R.string.prev), retrievePlaybackAction(PREVIOUS_ACTION)); builder.addAction(playButtonResId, getString(playButtonTitleResId), retrievePlaybackAction(TOGGLEPAUSE_ACTION)); builder.addAction(R.drawable.ic_skip_next_black_24dp, getString(R.string.next), retrievePlaybackAction(NEXT_ACTION)); builder.setLargeIcon(ImageLoader.getAlbumArt(getApplicationContext(), getAlbumId())); return builder.build(); } private PendingIntent retrievePlaybackAction(final String action) { final ComponentName serviceName = new ComponentName(this, MusicService.class); Intent intent = new Intent(action); intent.setComponent(serviceName); return PendingIntent.getService(this, 0, intent, 0); } /** * Saves the queue * * @param full True if the queue is full */ private void saveQueue(final boolean full) { if (!mQueueIsSaveable) { return; } final SharedPreferences.Editor editor = mPreferences.edit(); if (full) { mPlaybackStateStore.saveState(mPlaylist, mShuffleMode != SHUFFLE_NONE ? mHistory : null); editor.putInt("cardid", mCardId); } editor.putInt("curpos", mPlayPos); if (mPlayer.isInitialized()) { editor.putLong("seekpos", mPlayer.position()); } editor.putInt("repeatmode", mRepeatMode); editor.putInt("shufflemode", mShuffleMode); editor.apply(); } /** * Reloads the queue as the user left it the last time they stopped using * Apollo */ private void reloadQueue() { int id = mCardId; if (mPreferences.contains("cardid")) { id = mPreferences.getInt("cardid", ~mCardId); } if (id == mCardId) { mPlaylist = mPlaybackStateStore.getQueue(); } if (mPlaylist.size() > 0) { final int pos = mPreferences.getInt("curpos", 0); if (pos < 0 || pos >= mPlaylist.size()) { mPlaylist.clear(); return; } mPlayPos = pos; updateCursor(mPlaylist.get(mPlayPos).mId); if (mCursor == null) { SystemClock.sleep(3000); updateCursor(mPlaylist.get(mPlayPos).mId); } synchronized (this) { closeCursor(); mOpenFailedCounter = 20; openCurrentAndNext(); } if (!mPlayer.isInitialized()) { mPlaylist.clear(); return; } final long seekpos = mPreferences.getLong("seekpos", 0); seek(seekpos >= 0 && seekpos < duration() ? seekpos : 0); if (D) { Log.d(TAG, "restored queue, currently at position " + position() + "/" + duration() + " (requested " + seekpos + ")"); } int repmode = mPreferences.getInt("repeatmode", REPEAT_NONE); if (repmode != REPEAT_ALL && repmode != REPEAT_CURRENT) { repmode = REPEAT_NONE; } mRepeatMode = repmode; int shufmode = mPreferences.getInt("shufflemode", SHUFFLE_NONE); if (shufmode != SHUFFLE_AUTO && shufmode != SHUFFLE_NORMAL) { shufmode = SHUFFLE_NONE; } if (shufmode != SHUFFLE_NONE) { mHistory = mPlaybackStateStore.getHistory(mPlaylist.size()); } if (shufmode == SHUFFLE_AUTO) { if (!makeAutoShuffleList()) { shufmode = SHUFFLE_NONE; } } mShuffleMode = shufmode; } } /** * Opens a file and prepares it for playback * * @param path The path of the file to open */ public boolean openFile(final String path) { if (D) Log.d(TAG, "openFile: path = " + path); synchronized (this) { if (path == null) { return false; } // If mCursor is null, try to associate path with a database cursor if (mCursor == null) { Uri uri = Uri.parse(path); boolean shouldAddToPlaylist = true; // should try adding audio info to playlist long id = -1; try { id = Long.valueOf(uri.getLastPathSegment()); } catch (NumberFormatException ex) { // Ignore } if (id != -1 && path.startsWith(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI.toString())) { updateCursor(uri); } else if (id != -1 && path.startsWith(MediaStore.Files.getContentUri("external").toString())) { updateCursor(id); // handle downloaded media files } else if (path.startsWith("content://downloads/")) { // extract MediaProvider(MP) uri , if available // Downloads.Impl.COLUMN_MEDIAPROVIDER_URI String mpUri = getValueForDownloadedFile(this, uri, "mediaprovider_uri"); if (D) Log.i(TAG, "Downloaded file's MP uri : " + mpUri); if (!TextUtils.isEmpty(mpUri)) { // if mpUri is valid, play that URI instead if (openFile(mpUri)) { // notify impending change in track notifyChange(META_CHANGED); return true; } else { return false; } } else { // create phantom cursor with download info, if a MP uri wasn't found updateCursorForDownloadedFile(this, uri); shouldAddToPlaylist = false; // song info isn't available in MediaStore } } else { // assuming a "file://" uri by this point ... String where = MediaStore.Audio.Media.DATA + "=?"; String[] selectionArgs = new String[] { path }; updateCursor(where, selectionArgs); } try { if (mCursor != null && shouldAddToPlaylist) { mPlaylist.clear(); mPlaylist.add(new MusicPlaybackTrack(mCursor.getLong(IDCOLIDX), -1, IdType.NA, -1)); // propagate the change in playlist state notifyChange(QUEUE_CHANGED); mPlayPos = 0; mHistory.clear(); } } catch (final UnsupportedOperationException ex) { // Ignore } } mFileToPlay = path; mPlayer.setDataSource(mFileToPlay); if (mPlayer.isInitialized()) { mOpenFailedCounter = 0; return true; } String trackName = getTrackName(); if (TextUtils.isEmpty(trackName)) { trackName = path; } sendErrorMessage(trackName); stop(true); return false; } } /** * Creates a pseudo cursor for downloaded audio files with minimal info * * @param context needed to query the download uri * @param uri the uri of the downloaded file */ private void updateCursorForDownloadedFile(Context context, Uri uri) { synchronized (this) { closeCursor(); // clear mCursor MatrixCursor cursor = new MatrixCursor(PROJECTION_MATRIX); // get title of the downloaded file ; Downloads.Impl.COLUMN_TITLE String title = getValueForDownloadedFile(this, uri, "title"); // populating the cursor with bare minimum info cursor.addRow(new Object[] { null, null, null, title, null, null, null, null }); mCursor = cursor; mCursor.moveToFirst(); } } /** * Query the DownloadProvider to get the value in the specified column * * @param context * @param uri the uri of the downloaded file * @param column * @return */ private String getValueForDownloadedFile(Context context, Uri uri, String column) { Cursor cursor = null; final String[] projection = { column }; try { cursor = context.getContentResolver().query(uri, projection, null, null, null); if (cursor != null && cursor.moveToFirst()) { return cursor.getString(0); } } finally { if (cursor != null) { cursor.close(); } } return null; } /** * Returns the audio session ID * * @return The current media player audio session ID */ public int getAudioSessionId() { synchronized (this) { return mPlayer.getAudioSessionId(); } } /** * Indicates if the media storeage device has been mounted or not * * @return 1 if Intent.ACTION_MEDIA_MOUNTED is called, 0 otherwise */ public int getMediaMountedCount() { return mMediaMountedCount; } /** * Returns the shuffle mode * * @return The current shuffle mode (all, party, none) */ public int getShuffleMode() { return mShuffleMode; } /** * Sets the shuffle mode * * @param shufflemode The shuffle mode to use */ public void setShuffleMode(final int shufflemode) { synchronized (this) { if (mShuffleMode == shufflemode && mPlaylist.size() > 0) { return; } mShuffleMode = shufflemode; if (mShuffleMode == SHUFFLE_AUTO) { if (makeAutoShuffleList()) { mPlaylist.clear(); doAutoShuffleUpdate(); mPlayPos = 0; openCurrentAndNext(); play(); notifyChange(META_CHANGED); return; } else { mShuffleMode = SHUFFLE_NONE; } } else { setNextTrack(); } saveQueue(false); notifyChange(SHUFFLEMODE_CHANGED); } } /** * Returns the repeat mode * * @return The current repeat mode (all, one, none) */ public int getRepeatMode() { return mRepeatMode; } /** * Sets the repeat mode * * @param repeatmode The repeat mode to use */ public void setRepeatMode(final int repeatmode) { synchronized (this) { mRepeatMode = repeatmode; setNextTrack(); saveQueue(false); notifyChange(REPEATMODE_CHANGED); } } /** * Removes all instances of the track with the given ID from the playlist. * * @param id The id to be removed * @return how many instances of the track were removed */ public int removeTrack(final long id) { int numremoved = 0; synchronized (this) { for (int i = 0; i < mPlaylist.size(); i++) { if (mPlaylist.get(i).mId == id) { numremoved += removeTracksInternal(i, i); i--; } } } if (numremoved > 0) { notifyChange(QUEUE_CHANGED); } return numremoved; } /** * Removes a song from the playlist at the specified position. * * @param id The song id to be removed * @param position The position of the song in the playlist * @return true if successful */ public boolean removeTrackAtPosition(final long id, final int position) { synchronized (this) { if (position >= 0 && position < mPlaylist.size() && mPlaylist.get(position).mId == id) { return removeTracks(position, position) > 0; } } return false; } /** * Removes the range of tracks specified from the play list. If a file * within the range is the file currently being played, playback will move * to the next file after the range. * * @param first The first file to be removed * @param last The last file to be removed * @return the number of tracks deleted */ public int removeTracks(final int first, final int last) { final int numremoved = removeTracksInternal(first, last); if (numremoved > 0) { notifyChange(QUEUE_CHANGED); } return numremoved; } /** * Returns the position in the queue * * @return the current position in the queue */ public int getQueuePosition() { synchronized (this) { return mPlayPos; } } /** * Sets the position of a track in the queue * * @param index The position to place the track */ public void setQueuePosition(final int index) { synchronized (this) { stop(false); mPlayPos = index; openCurrentAndNext(); play(); notifyChange(META_CHANGED); if (mShuffleMode == SHUFFLE_AUTO) { doAutoShuffleUpdate(); } } } /** * @return the size of the queue history cache */ public int getQueueHistorySize() { synchronized (this) { return mHistory.size(); } } /** * @return the position in the history */ public int getQueueHistoryPosition(int position) { synchronized (this) { if (position >= 0 && position < mHistory.size()) { return mHistory.get(position); } } return -1; } /** * @return the queue of history positions */ public int[] getQueueHistoryList() { synchronized (this) { int[] history = new int[mHistory.size()]; for (int i = 0; i < mHistory.size(); i++) { history[i] = mHistory.get(i); } return history; } } /** * Returns the path to current song * * @return The path to the current song */ public String getPath() { synchronized (this) { if (mCursor == null) { return null; } return mCursor.getString(mCursor.getColumnIndexOrThrow(AudioColumns.DATA)); } } /** * Returns the album name * * @return The current song album Name */ public String getAlbumName() { synchronized (this) { if (mCursor == null) { return null; } return mCursor.getString(mCursor.getColumnIndexOrThrow(AudioColumns.ALBUM)); } } /** * Returns the song name * * @return The current song name */ public String getTrackName() { synchronized (this) { if (mCursor == null) { return null; } return mCursor.getString(mCursor.getColumnIndexOrThrow(AudioColumns.TITLE)); } } /** * Returns the genre name of song * * @return The current song genre name */ public String getGenreName() { synchronized (this) { if (mCursor == null || mPlayPos < 0 || mPlayPos >= mPlaylist.size()) { return null; } String[] genreProjection = { MediaStore.Audio.Genres.NAME }; Uri genreUri = MediaStore.Audio.Genres.getContentUriForAudioId("external", (int) mPlaylist.get(mPlayPos).mId); Cursor genreCursor = getContentResolver().query(genreUri, genreProjection, null, null, null); if (genreCursor != null) { try { if (genreCursor.moveToFirst()) { return genreCursor .getString(genreCursor.getColumnIndexOrThrow(MediaStore.Audio.Genres.NAME)); } } finally { genreCursor.close(); } } return null; } } /** * Returns the artist name * * @return The current song artist name */ public String getArtistName() { synchronized (this) { if (mCursor == null) { return null; } return mCursor.getString(mCursor.getColumnIndexOrThrow(AudioColumns.ARTIST)); } } /** * Returns the artist name * * @return The current song artist name */ public String getAlbumArtistName() { synchronized (this) { if (mAlbumCursor == null) { return null; } return mAlbumCursor.getString(mAlbumCursor.getColumnIndexOrThrow(AlbumColumns.ARTIST)); } } /** * Returns the album ID * * @return The current song album ID */ public long getAlbumId() { synchronized (this) { if (mCursor == null) { return -1; } return mCursor.getLong(mCursor.getColumnIndexOrThrow(AudioColumns.ALBUM_ID)); } } /** * Returns the artist ID * * @return The current song artist ID */ public long getArtistId() { synchronized (this) { if (mCursor == null) { return -1; } return mCursor.getLong(mCursor.getColumnIndexOrThrow(AudioColumns.ARTIST_ID)); } } /** * @return The audio id of the track */ public long getAudioId() { MusicPlaybackTrack track = getCurrentTrack(); if (track != null) { return track.mId; } return -1; } /** * Gets the currently playing music track */ public MusicPlaybackTrack getCurrentTrack() { return getTrack(mPlayPos); } /** * Gets the music track from the queue at the specified index * * @param index position * @return music track or null */ public synchronized MusicPlaybackTrack getTrack(int index) { if (index >= 0 && index < mPlaylist.size() && mPlayer.isInitialized()) { return mPlaylist.get(index); } return null; } /** * Returns the next audio ID * * @return The next track ID */ public long getNextAudioId() { synchronized (this) { if (mNextPlayPos >= 0 && mNextPlayPos < mPlaylist.size() && mPlayer.isInitialized()) { return mPlaylist.get(mNextPlayPos).mId; } } return -1; } /** * Returns the previous audio ID * * @return The previous track ID */ public long getPreviousAudioId() { synchronized (this) { if (mPlayer.isInitialized()) { int pos = getPreviousPlayPosition(false); if (pos >= 0 && pos < mPlaylist.size()) { return mPlaylist.get(pos).mId; } } } return -1; } /** * Seeks the current track to a specific time * * @param position The time to seek to * @return The time to play the track at */ public long seek(long position) { if (mPlayer.isInitialized()) { if (position < 0) { position = 0; } else if (position > mPlayer.duration()) { position = mPlayer.duration(); } long result = mPlayer.seek(position); notifyChange(POSITION_CHANGED); return result; } return -1; } /** * Seeks the current track to a position relative to its current position * If the relative position is after or before the track, it will also automatically * jump to the previous or next track respectively * * @param deltaInMs The delta time to seek to in milliseconds */ public void seekRelative(long deltaInMs) { synchronized (this) { if (mPlayer.isInitialized()) { final long newPos = position() + deltaInMs; final long duration = duration(); if (newPos < 0) { prev(true); // seek to the new duration + the leftover position seek(duration() + newPos); } else if (newPos >= duration) { gotoNext(true); // seek to the leftover duration seek(newPos - duration); } else { seek(newPos); } } } } /** * Returns the current position in time of the currenttrack * * @return The current playback position in miliseconds */ public long position() { if (mPlayer.isInitialized()) { return mPlayer.position(); } return -1; } /** * Returns the full duration of the current track * * @return The duration of the current track in miliseconds */ public long duration() { if (mPlayer.isInitialized()) { return mPlayer.duration(); } return -1; } /** * Returns the queue * * @return The queue as a long[] */ public long[] getQueue() { synchronized (this) { final int len = mPlaylist.size(); final long[] list = new long[len]; for (int i = 0; i < len; i++) { list[i] = mPlaylist.get(i).mId; } return list; } } /** * Gets the track id at a given position in the queue * * @param position * @return track id in the queue position */ public long getQueueItemAtPosition(int position) { synchronized (this) { if (position >= 0 && position < mPlaylist.size()) { return mPlaylist.get(position).mId; } } return -1; } /** * @return the size of the queue */ public int getQueueSize() { synchronized (this) { return mPlaylist.size(); } } /** * @return True if music is playing, false otherwise */ public boolean isPlaying() { return mIsSupposedToBePlaying; } /** * Helper function to wrap the logic around mIsSupposedToBePlaying for consistentcy * * @param value to set mIsSupposedToBePlaying to * @param notify whether we want to fire PLAYSTATE_CHANGED event */ private void setIsSupposedToBePlaying(boolean value, boolean notify) { if (mIsSupposedToBePlaying != value) { mIsSupposedToBePlaying = value; // Update mLastPlayed time first and notify afterwards, as // the notification listener method needs the up-to-date value // for the recentlyPlayed() method to work if (!mIsSupposedToBePlaying) { scheduleDelayedShutdown(); mLastPlayedTime = System.currentTimeMillis(); } if (notify) { notifyChange(PLAYSTATE_CHANGED); } } } /** * @return true if is playing or has played within the last IDLE_DELAY time */ private boolean recentlyPlayed() { return isPlaying() || System.currentTimeMillis() - mLastPlayedTime < IDLE_DELAY; } /** * Opens a list for playback * * @param list The list of tracks to open * @param position The position to start playback at */ public void open(final long[] list, final int position, long sourceId, IdType sourceType) { synchronized (this) { if (mShuffleMode == SHUFFLE_AUTO) { mShuffleMode = SHUFFLE_NORMAL; } final long oldId = getAudioId(); final int listlength = list.length; boolean newlist = true; if (mPlaylist.size() == listlength) { newlist = false; for (int i = 0; i < listlength; i++) { if (list[i] != mPlaylist.get(i).mId) { newlist = true; break; } } } if (newlist) { addToPlayList(list, -1, sourceId, sourceType); notifyChange(QUEUE_CHANGED); } if (position >= 0) { mPlayPos = position; } else { mPlayPos = mShuffler.nextInt(mPlaylist.size()); } mHistory.clear(); openCurrentAndNext(); if (oldId != getAudioId()) { notifyChange(META_CHANGED); } } } /** * Stops playback. */ public void stop() { //stopShakeDetector(false); stop(true); } /** * Resumes or starts playback. */ public void play() { // startShakeDetector(); play(true); } /** * Resumes or starts playback. * * @param createNewNextTrack True if you want to figure out the next track, false * if you want to re-use the existing next track (used for going back) */ public void play(boolean createNewNextTrack) { int status = mAudioManager.requestAudioFocus(mAudioFocusListener, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN); if (D) Log.d(TAG, "Starting playback: audio focus request status = " + status); if (status != AudioManager.AUDIOFOCUS_REQUEST_GRANTED) { return; } final Intent intent = new Intent(AudioEffect.ACTION_OPEN_AUDIO_EFFECT_CONTROL_SESSION); intent.putExtra(AudioEffect.EXTRA_AUDIO_SESSION, getAudioSessionId()); intent.putExtra(AudioEffect.EXTRA_PACKAGE_NAME, getPackageName()); sendBroadcast(intent); mAudioManager.registerMediaButtonEventReceiver( new ComponentName(getPackageName(), MediaButtonIntentReceiver.class.getName())); mSession.setActive(true); if (createNewNextTrack) { setNextTrack(); } else { setNextTrack(mNextPlayPos); } if (mPlayer.isInitialized()) { final long duration = mPlayer.duration(); if (mRepeatMode != REPEAT_CURRENT && duration > 2000 && mPlayer.position() >= duration - 2000) { gotoNext(true); } mPlayer.start(); mPlayerHandler.removeMessages(FADEDOWN); mPlayerHandler.sendEmptyMessage(FADEUP); setIsSupposedToBePlaying(true, true); cancelShutdown(); updateNotification(); } else if (mPlaylist.size() <= 0) { setShuffleMode(SHUFFLE_AUTO); } } /** * Temporarily pauses playback. */ public void pause() { if (D) Log.d(TAG, "Pausing playback"); synchronized (this) { mPlayerHandler.removeMessages(FADEUP); if (mIsSupposedToBePlaying) { final Intent intent = new Intent(AudioEffect.ACTION_CLOSE_AUDIO_EFFECT_CONTROL_SESSION); intent.putExtra(AudioEffect.EXTRA_AUDIO_SESSION, getAudioSessionId()); intent.putExtra(AudioEffect.EXTRA_PACKAGE_NAME, getPackageName()); sendBroadcast(intent); mPlayer.pause(); setIsSupposedToBePlaying(false, true); //stopShakeDetector(false); } } } /** * Changes from the current track to the next track */ public void gotoNext(final boolean force) { if (D) Log.d(TAG, "Going to next track"); synchronized (this) { if (mPlaylist.size() <= 0) { if (D) Log.d(TAG, "No play queue"); scheduleDelayedShutdown(); return; } int pos = mNextPlayPos; if (pos < 0) { pos = getNextPosition(force); } if (pos < 0) { setIsSupposedToBePlaying(false, true); return; } stop(false); setAndRecordPlayPos(pos); openCurrentAndNext(); play(); notifyChange(META_CHANGED); } } public void setAndRecordPlayPos(int nextPos) { synchronized (this) { // save to the history if (mShuffleMode != SHUFFLE_NONE) { mHistory.add(mPlayPos); if (mHistory.size() > MAX_HISTORY_SIZE) { mHistory.remove(0); } } mPlayPos = nextPos; } } /** * Changes from the current track to the previous played track */ public void prev(boolean forcePrevious) { synchronized (this) { // if we aren't repeating 1, and we are either early in the song // or we want to force go back, then go to the prevous track boolean goPrevious = getRepeatMode() != REPEAT_CURRENT && (position() < REWIND_INSTEAD_PREVIOUS_THRESHOLD || forcePrevious); if (goPrevious) { if (D) Log.d(TAG, "Going to previous track"); int pos = getPreviousPlayPosition(true); // if we have no more previous tracks, quit if (pos < 0) { return; } mNextPlayPos = mPlayPos; mPlayPos = pos; stop(false); openCurrent(); play(false); notifyChange(META_CHANGED); } else { if (D) Log.d(TAG, "Going to beginning of track"); seek(0); play(false); } } } public int getPreviousPlayPosition(boolean removeFromHistory) { synchronized (this) { if (mShuffleMode == SHUFFLE_NORMAL) { // Go to previously-played track and remove it from the history final int histsize = mHistory.size(); if (histsize == 0) { return -1; } final Integer pos = mHistory.get(histsize - 1); if (removeFromHistory) { mHistory.remove(histsize - 1); } return pos; } else { if (mPlayPos > 0) { return mPlayPos - 1; } else { return mPlaylist.size() - 1; } } } } /** * We don't want to open the current and next track when the user is using * the {@code #prev()} method because they won't be able to travel back to * the previously listened track if they're shuffling. */ private void openCurrent() { openCurrentAndMaybeNext(false); } /** * Moves an item in the queue from one position to another */ public void moveQueueItem(int index1, int index2) { synchronized (this) { if (index1 >= mPlaylist.size()) { index1 = mPlaylist.size() - 1; } if (index2 >= mPlaylist.size()) { index2 = mPlaylist.size() - 1; } if (index1 == index2) { return; } final MusicPlaybackTrack track = mPlaylist.remove(index1); if (index1 < index2) { mPlaylist.add(index2, track); if (mPlayPos == index1) { mPlayPos = index2; } else if (mPlayPos >= index1 && mPlayPos <= index2) { mPlayPos--; } } else if (index2 < index1) { mPlaylist.add(index2, track); if (mPlayPos == index1) { mPlayPos = index2; } else if (mPlayPos >= index2 && mPlayPos <= index1) { mPlayPos++; } } notifyChange(QUEUE_CHANGED); } } /** * Queues a new list for playback * * @param list The list to queue * @param action The action to take */ public void enqueue(final long[] list, final int action, long sourceId, IdType sourceType) { synchronized (this) { if (action == NEXT && mPlayPos + 1 < mPlaylist.size()) { addToPlayList(list, mPlayPos + 1, sourceId, sourceType); mNextPlayPos = mPlayPos + 1; notifyChange(QUEUE_CHANGED); } else { addToPlayList(list, Integer.MAX_VALUE, sourceId, sourceType); notifyChange(QUEUE_CHANGED); } if (mPlayPos < 0) { mPlayPos = 0; openCurrentAndNext(); play(); notifyChange(META_CHANGED); } } } /** * Called to set the status of shake to play feature */ /** * Cycles through the different repeat modes */ private void cycleRepeat() { if (mRepeatMode == REPEAT_NONE) { setRepeatMode(REPEAT_ALL); } else if (mRepeatMode == REPEAT_ALL) { setRepeatMode(REPEAT_CURRENT); if (mShuffleMode != SHUFFLE_NONE) { setShuffleMode(SHUFFLE_NONE); } } else { setRepeatMode(REPEAT_NONE); } } /** * Cycles through the different shuffle modes */ private void cycleShuffle() { if (mShuffleMode == SHUFFLE_NONE) { setShuffleMode(SHUFFLE_NORMAL); if (mRepeatMode == REPEAT_CURRENT) { setRepeatMode(REPEAT_ALL); } } else if (mShuffleMode == SHUFFLE_NORMAL || mShuffleMode == SHUFFLE_AUTO) { setShuffleMode(SHUFFLE_NONE); } } /** * Called when one of the lists should refresh or requery. */ public void refresh() { notifyChange(REFRESH); } /** * Called when one of the playlists have changed (renamed, added/removed tracks) */ public void playlistChanged() { notifyChange(PLAYLIST_CHANGED); } /** * Called to set visibility of album art on lockscreen */ public void setLockscreenAlbumArt(boolean enabled) { /* Switch for displaying album art on lockscreen */ boolean mShowAlbumArtOnLockscreen = enabled; notifyChange(META_CHANGED); } public interface TrackErrorExtra { /** * Name of the track that was unable to play */ public static final String TRACK_NAME = "trackname"; } private static final class MusicPlayerHandler extends Handler { private final WeakReference<MusicService> mService; private float mCurrentVolume = 1.0f; /** * Constructor of <code>MusicPlayerHandler</code> * * @param service The service to use. * @param looper The thread to run on. */ public MusicPlayerHandler(final MusicService service, final Looper looper) { super(looper); mService = new WeakReference<>(service); } /** * {@inheritDoc} */ @Override public void handleMessage(final Message msg) { final MusicService service = mService.get(); if (service == null) { return; } //noinspection SynchronizationOnLocalVariableOrMethodParameter synchronized (service) { switch (msg.what) { case FADEDOWN: mCurrentVolume -= .05f; if (mCurrentVolume > .2f) { sendEmptyMessageDelayed(FADEDOWN, 10); } else { mCurrentVolume = .2f; } service.mPlayer.setVolume(mCurrentVolume); break; case FADEUP: mCurrentVolume += .01f; if (mCurrentVolume < 1.0f) { sendEmptyMessageDelayed(FADEUP, 10); } else { mCurrentVolume = 1.0f; } service.mPlayer.setVolume(mCurrentVolume); break; case SERVER_DIED: if (service.isPlaying()) { final TrackErrorInfo info = (TrackErrorInfo) msg.obj; service.sendErrorMessage(info.mTrackName); // since the service isPlaying(), we only need to remove the offending // audio track, and the code will automatically play the next track service.removeTrack(info.mId); } else { service.openCurrentAndNext(); } break; case TRACK_WENT_TO_NEXT: service.setAndRecordPlayPos(service.mNextPlayPos); service.setNextTrack(); if (service.mCursor != null) { service.mCursor.close(); service.mCursor = null; } service.updateCursor(service.mPlaylist.get(service.mPlayPos).mId); service.notifyChange(META_CHANGED); service.updateNotification(); break; case TRACK_ENDED: if (service.mRepeatMode == REPEAT_CURRENT) { service.seek(0); service.play(); } else { service.gotoNext(false); } break; case LYRICS: service.mLyrics = (String) msg.obj; service.notifyChange(NEW_LYRICS); break; case RELEASE_WAKELOCK: service.mWakeLock.release(); break; case FOCUSCHANGE: if (D) Log.d(TAG, "Received audio focus change event " + msg.arg1); switch (msg.arg1) { case AudioManager.AUDIOFOCUS_LOSS: case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT: if (service.isPlaying()) { service.mPausedByTransientLossOfFocus = msg.arg1 == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT; } service.pause(); break; case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK: removeMessages(FADEUP); sendEmptyMessage(FADEDOWN); break; case AudioManager.AUDIOFOCUS_GAIN: if (!service.isPlaying() && service.mPausedByTransientLossOfFocus) { service.mPausedByTransientLossOfFocus = false; mCurrentVolume = 0f; service.mPlayer.setVolume(mCurrentVolume); service.play(); } else { removeMessages(FADEDOWN); sendEmptyMessage(FADEUP); } break; default: } break; default: break; } } } } private static final class Shuffler { private final LinkedList<Integer> mHistoryOfNumbers = new LinkedList<>(); private final TreeSet<Integer> mPreviousNumbers = new TreeSet<>(); private final Random mRandom = new Random(); private int mPrevious; /** * Constructor of <code>Shuffler</code> */ public Shuffler() { super(); } /** * @param interval The length the queue * @return The position of the next track to play */ public int nextInt(final int interval) { int next; do { next = mRandom.nextInt(interval); } while (next == mPrevious && interval > 1 && !mPreviousNumbers.contains(next)); mPrevious = next; mHistoryOfNumbers.add(mPrevious); mPreviousNumbers.add(mPrevious); cleanUpHistory(); return next; } /** * Removes old tracks and cleans up the history preparing for new tracks * to be added to the mapping */ private void cleanUpHistory() { if (!mHistoryOfNumbers.isEmpty() && mHistoryOfNumbers.size() >= MAX_HISTORY_SIZE) { for (int i = 0; i < Math.max(1, MAX_HISTORY_SIZE / 2); i++) { mPreviousNumbers.remove(mHistoryOfNumbers.removeFirst()); } } } } private static final class TrackErrorInfo { public long mId; public String mTrackName; public TrackErrorInfo(long id, String trackName) { mId = id; mTrackName = trackName; } } private static final class MultiPlayer implements MediaPlayer.OnErrorListener, MediaPlayer.OnCompletionListener { private final WeakReference<MusicService> mService; private MediaPlayer mCurrentMediaPlayer = new MediaPlayer(); private MediaPlayer mNextMediaPlayer; private Handler mHandler; private boolean mIsInitialized = false; private String mNextMediaPath; /** * Constructor of <code>MultiPlayer</code> */ public MultiPlayer(final MusicService service) { mService = new WeakReference<>(service); mCurrentMediaPlayer.setWakeMode(mService.get(), PowerManager.PARTIAL_WAKE_LOCK); } /** * @param path The path of the file, or the http/rtsp URL of the stream * you want to play */ public void setDataSource(final String path) { mIsInitialized = setDataSourceImpl(mCurrentMediaPlayer, path); if (mIsInitialized) { loadSrt(path); setNextDataSource(null); } } private void loadSrt(final String path) { Uri uri = Uri.parse(path); String filePath = null; if (path.startsWith("content://")) { // resolve the content resolver path to a file path Cursor cursor = null; try { final String[] proj = { MediaStore.Audio.Media.DATA }; cursor = mService.get().getContentResolver().query(uri, proj, null, null, null); if (cursor != null && cursor.moveToFirst()) { filePath = cursor.getString(0); } } finally { if (cursor != null) { cursor.close(); cursor = null; } } } else { filePath = uri.getPath(); } if (!TextUtils.isEmpty(filePath)) { final int lastIndex = filePath.lastIndexOf('.'); if (lastIndex != -1) { String newPath = filePath.substring(0, lastIndex) + ".srt"; final File f = new File(newPath); //mSrtManager.initialize(mCurrentMediaPlayer, f); } } } /** * @param player The {@link MediaPlayer} to use * @param path The path of the file, or the http/rtsp URL of the stream * you want to play * @return True if the <code>player</code> has been prepared and is * ready to play, false otherwise */ private boolean setDataSourceImpl(final MediaPlayer player, final String path) { try { player.reset(); player.setOnPreparedListener(null); if (path.startsWith("content://")) { player.setDataSource(mService.get(), Uri.parse(path)); } else { player.setDataSource(path); } player.setAudioStreamType(AudioManager.STREAM_MUSIC); player.prepare(); } catch (final IOException todo) { // TODO: notify the user why the file couldn't be opened return false; } catch (final IllegalArgumentException todo) { // TODO: notify the user why the file couldn't be opened return false; } player.setOnCompletionListener(this); player.setOnErrorListener(this); return true; } /** * Set the MediaPlayer to start when this MediaPlayer finishes playback. * * @param path The path of the file, or the http/rtsp URL of the stream * you want to play */ public void setNextDataSource(final String path) { mNextMediaPath = null; try { mCurrentMediaPlayer.setNextMediaPlayer(null); } catch (IllegalArgumentException e) { Log.i(TAG, "Next media player is current one, continuing"); } catch (IllegalStateException e) { Log.e(TAG, "Media player not initialized!"); return; } if (mNextMediaPlayer != null) { mNextMediaPlayer.release(); mNextMediaPlayer = null; } if (path == null) { return; } mNextMediaPlayer = new MediaPlayer(); mNextMediaPlayer.setWakeMode(mService.get(), PowerManager.PARTIAL_WAKE_LOCK); mNextMediaPlayer.setAudioSessionId(getAudioSessionId()); if (setDataSourceImpl(mNextMediaPlayer, path)) { mNextMediaPath = path; mCurrentMediaPlayer.setNextMediaPlayer(mNextMediaPlayer); } else { if (mNextMediaPlayer != null) { mNextMediaPlayer.release(); mNextMediaPlayer = null; } } } /** * Sets the handler * * @param handler The handler to use */ public void setHandler(final Handler handler) { mHandler = handler; } /** * @return True if the player is ready to go, false otherwise */ public boolean isInitialized() { return mIsInitialized; } /** * Starts or resumes playback. */ public void start() { mCurrentMediaPlayer.start(); //mSrtManager.play(); } /** * Resets the MediaPlayer to its uninitialized state. */ public void stop() { mCurrentMediaPlayer.reset(); // mSrtManager.reset(); mIsInitialized = false; } /** * Releases resources associated with this MediaPlayer object. */ public void release() { mCurrentMediaPlayer.release(); } /** * Pauses playback. Call start() to resume. */ public void pause() { mCurrentMediaPlayer.pause(); } /** * Gets the duration of the file. * * @return The duration in milliseconds */ public long duration() { return mCurrentMediaPlayer.getDuration(); } /** * Gets the current playback position. * * @return The current position in milliseconds */ public long position() { return mCurrentMediaPlayer.getCurrentPosition(); } /** * Gets the current playback position. * * @param whereto The offset in milliseconds from the start to seek to * @return The offset in milliseconds from the start to seek to */ public long seek(final long whereto) { mCurrentMediaPlayer.seekTo((int) whereto); //mSrtManager.seekTo(whereto); return whereto; } /** * Sets the volume on this player. * * @param vol Left and right volume scalar */ public void setVolume(final float vol) { mCurrentMediaPlayer.setVolume(vol, vol); } /** * Returns the audio session ID. * * @return The current audio session ID. */ public int getAudioSessionId() { return mCurrentMediaPlayer.getAudioSessionId(); } /** * Sets the audio session ID. * * @param sessionId The audio session ID */ public void setAudioSessionId(final int sessionId) { mCurrentMediaPlayer.setAudioSessionId(sessionId); } /** * {@inheritDoc} */ @Override public boolean onError(final MediaPlayer mp, final int what, final int extra) { Log.w(TAG, "Music Server Error what: " + what + " extra: " + extra); switch (what) { case MediaPlayer.MEDIA_ERROR_SERVER_DIED: final MusicService service = mService.get(); final TrackErrorInfo errorInfo = new TrackErrorInfo(service.getAudioId(), service.getTrackName()); mIsInitialized = false; mCurrentMediaPlayer.release(); mCurrentMediaPlayer = new MediaPlayer(); mCurrentMediaPlayer.setWakeMode(service, PowerManager.PARTIAL_WAKE_LOCK); Message msg = mHandler.obtainMessage(SERVER_DIED, errorInfo); mHandler.sendMessageDelayed(msg, 2000); return true; default: break; } return false; } /** * {@inheritDoc} */ @Override public void onCompletion(final MediaPlayer mp) { if (mp == mCurrentMediaPlayer && mNextMediaPlayer != null) { mCurrentMediaPlayer.release(); mCurrentMediaPlayer = mNextMediaPlayer; loadSrt(mNextMediaPath); mNextMediaPath = null; mNextMediaPlayer = null; mHandler.sendEmptyMessage(TRACK_WENT_TO_NEXT); } else { mService.get().mWakeLock.acquire(30000); mHandler.sendEmptyMessage(TRACK_ENDED); mHandler.sendEmptyMessage(RELEASE_WAKELOCK); } } } private static final class ServiceStub extends IMusicService.Stub { private final WeakReference<MusicService> mService; private ServiceStub(final MusicService service) { mService = new WeakReference<>(service); } /** * {@inheritDoc} */ @Override public void openFile(final String path) throws RemoteException { mService.get().openFile(path); } /** * {@inheritDoc} */ @Override public void open(final long[] list, final int position, long sourceId, int sourceType) throws RemoteException { mService.get().open(list, position, sourceId, IdType.getTypeById(sourceType)); } /** * {@inheritDoc} */ @Override public void stop() throws RemoteException { mService.get().stop(); } /** * {@inheritDoc} */ @Override public void pause() throws RemoteException { mService.get().pause(); } /** * {@inheritDoc} */ @Override public void play() throws RemoteException { mService.get().play(); } /** * {@inheritDoc} */ @Override public void prev(boolean forcePrevious) throws RemoteException { mService.get().prev(forcePrevious); } /** * {@inheritDoc} */ @Override public void next() throws RemoteException { mService.get().gotoNext(true); } /** * {@inheritDoc} */ @Override public void enqueue(final long[] list, final int action, long sourceId, int sourceType) throws RemoteException { mService.get().enqueue(list, action, sourceId, IdType.getTypeById(sourceType)); } /** * {@inheritDoc} */ @Override public void moveQueueItem(final int from, final int to) throws RemoteException { mService.get().moveQueueItem(from, to); } /** * {@inheritDoc} */ @Override public void refresh() throws RemoteException { mService.get().refresh(); } /** * {@inheritDoc} */ @Override public void playlistChanged() throws RemoteException { mService.get().playlistChanged(); } /** * {@inheritDoc} */ @Override public boolean isPlaying() throws RemoteException { return mService.get().isPlaying(); } /** * {@inheritDoc} */ @Override public long[] getQueue() throws RemoteException { return mService.get().getQueue(); } /** * {@inheritDoc} */ @Override public long getQueueItemAtPosition(int position) throws RemoteException { return mService.get().getQueueItemAtPosition(position); } /** * {@inheritDoc} */ @Override public int getQueueSize() throws RemoteException { return mService.get().getQueueSize(); } /** * {@inheritDoc} */ @Override public int getQueueHistoryPosition(int position) throws RemoteException { return mService.get().getQueueHistoryPosition(position); } /** * {@inheritDoc} */ @Override public int getQueueHistorySize() throws RemoteException { return mService.get().getQueueHistorySize(); } /** * {@inheritDoc} */ @Override public int[] getQueueHistoryList() throws RemoteException { return mService.get().getQueueHistoryList(); } /** * {@inheritDoc} */ @Override public long duration() throws RemoteException { return mService.get().duration(); } /** * {@inheritDoc} */ @Override public long position() throws RemoteException { return mService.get().position(); } /** * {@inheritDoc} */ @Override public long seek(final long position) throws RemoteException { return mService.get().seek(position); } /** * {@inheritDoc} */ @Override public void seekRelative(final long deltaInMs) throws RemoteException { mService.get().seekRelative(deltaInMs); } /** * {@inheritDoc} */ @Override public long getAudioId() throws RemoteException { return mService.get().getAudioId(); } /** * {@inheritDoc} */ @Override public MusicPlaybackTrack getCurrentTrack() throws RemoteException { return mService.get().getCurrentTrack(); } /** * {@inheritDoc} */ @Override public MusicPlaybackTrack getTrack(int index) throws RemoteException { return mService.get().getTrack(index); } /** * {@inheritDoc} */ @Override public long getNextAudioId() throws RemoteException { return mService.get().getNextAudioId(); } /** * {@inheritDoc} */ @Override public long getPreviousAudioId() throws RemoteException { return mService.get().getPreviousAudioId(); } /** * {@inheritDoc} */ @Override public long getArtistId() throws RemoteException { return mService.get().getArtistId(); } /** * {@inheritDoc} */ @Override public long getAlbumId() throws RemoteException { return mService.get().getAlbumId(); } /** * {@inheritDoc} */ @Override public String getArtistName() throws RemoteException { return mService.get().getArtistName(); } /** * {@inheritDoc} */ @Override public String getTrackName() throws RemoteException { return mService.get().getTrackName(); } /** * {@inheritDoc} */ @Override public String getAlbumName() throws RemoteException { return mService.get().getAlbumName(); } /** * {@inheritDoc} */ @Override public String getPath() throws RemoteException { return mService.get().getPath(); } /** * {@inheritDoc} */ @Override public int getQueuePosition() throws RemoteException { return mService.get().getQueuePosition(); } /** * {@inheritDoc} */ @Override public void setQueuePosition(final int index) throws RemoteException { mService.get().setQueuePosition(index); } /** * {@inheritDoc} */ @Override public int getShuffleMode() throws RemoteException { return mService.get().getShuffleMode(); } /** * {@inheritDoc} */ @Override public void setShuffleMode(final int shufflemode) throws RemoteException { mService.get().setShuffleMode(shufflemode); } /** * {@inheritDoc} */ @Override public int getRepeatMode() throws RemoteException { return mService.get().getRepeatMode(); } /** * {@inheritDoc} */ @Override public void setRepeatMode(final int repeatmode) throws RemoteException { mService.get().setRepeatMode(repeatmode); } /** * {@inheritDoc} */ @Override public int removeTracks(final int first, final int last) throws RemoteException { return mService.get().removeTracks(first, last); } /** * {@inheritDoc} */ @Override public int removeTrack(final long id) throws RemoteException { return mService.get().removeTrack(id); } /** * {@inheritDoc} */ @Override public boolean removeTrackAtPosition(final long id, final int position) throws RemoteException { return mService.get().removeTrackAtPosition(id, position); } /** * {@inheritDoc} */ @Override public int getMediaMountedCount() throws RemoteException { return mService.get().getMediaMountedCount(); } /** * {@inheritDoc} */ @Override public int getAudioSessionId() throws RemoteException { return mService.get().getAudioSessionId(); } } private class MediaStoreObserver extends ContentObserver implements Runnable { // milliseconds to delay before calling refresh to aggregate events private static final long REFRESH_DELAY = 500; private Handler mHandler; public MediaStoreObserver(Handler handler) { super(handler); mHandler = handler; } @Override public void onChange(boolean selfChange) { // if a change is detected, remove any scheduled callback // then post a new one. This is intended to prevent closely // spaced events from generating multiple refresh calls mHandler.removeCallbacks(this); mHandler.postDelayed(this, REFRESH_DELAY); } @Override public void run() { // actually call refresh when the delayed callback fires Log.e("MusicPlayer", "calling refresh!"); refresh(); } } }