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Amend last commit. (Reorganized and cleaned up the playback service a bit. Added the ability to fade a song in/out on play/pause.)

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This commit is contained in:
Karim Abou Zeid 2015-06-14 17:30:56 +02:00
commit 0aedfe1293
3 changed files with 42 additions and 79 deletions
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4
app/src/main/java/com/kabouzeid/gramophone/helper/MusicPlayerRemote.java
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@ -76,7 +76,7 @@ public class MusicPlayerRemote {
public static void pauseSong() {
if (musicService != null) {
musicService.pausePlaying();
musicService.pausePlaying(false);
}
}
@ -104,7 +104,7 @@ public class MusicPlayerRemote {
public static void resumePlaying() {
if (musicService != null) {
musicService.resumePlaying();
musicService.resumePlaying(false);
}
}

113
app/src/main/java/com/kabouzeid/gramophone/service/MusicService.java
View file

@ -48,7 +48,7 @@ import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.List;
public class MusicService extends Service implements MediaPlayer.OnPreparedListener, MediaPlayer.OnErrorListener, MediaPlayer.OnCompletionListener, AudioManager.OnAudioFocusChangeListener {
public class MusicService extends Service implements MediaPlayer.OnPreparedListener, MediaPlayer.OnErrorListener, MediaPlayer.OnCompletionListener {
public static final String PHONOGRAPH_PACKAGE_NAME = "com.kabouzeid.gramophone";
public static final String MUSIC_PACKAGE_NAME = "com.android.music";
@ -79,15 +79,7 @@ public class MusicService extends Service implements MediaPlayer.OnPreparedListe
public static final int REPEAT_MODE_THIS = 2;
private static final String TAG = MusicService.class.getSimpleName();
private final IBinder musicBind = new MusicBinder();
private final BroadcastReceiver receiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().compareTo(AudioManager.ACTION_AUDIO_BECOMING_NOISY) == 0) {
wasPlayingBeforeFocusLoss = false;
pausePlaying();
}
}
};
private MediaPlayer player;
private ArrayList<Song> playingQueue;
private ArrayList<Song> originalPlayingQueue;
@ -106,11 +98,24 @@ public class MusicService extends Service implements MediaPlayer.OnPreparedListe
private PowerManager.WakeLock wakeLock;
private String currentAlbumArtUri;
private MusicPlayerHandler playerHandler;
private boolean fadingDown = false;
public MusicService() {
}
private final BroadcastReceiver becomingNoisyReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().compareTo(AudioManager.ACTION_AUDIO_BECOMING_NOISY) == 0) {
wasPlayingBeforeFocusLoss = false;
pausePlaying(true);
}
}
};
private final AudioManager.OnAudioFocusChangeListener audioFocusListener = new AudioManager.OnAudioFocusChangeListener() {
@Override
public void onAudioFocusChange(final int focusChange) {
playerHandler.obtainMessage(FOCUSCHANGE, focusChange, 0).sendToTarget();
}
};
@Override
public void onCreate() {
@ -139,7 +144,7 @@ public class MusicService extends Service implements MediaPlayer.OnPreparedListe
if (!thingsRegistered) {
IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction(AudioManager.ACTION_AUDIO_BECOMING_NOISY);
registerReceiver(receiver, intentFilter);
registerReceiver(becomingNoisyReceiver, intentFilter);
getAudioManager().registerMediaButtonEventReceiver(new ComponentName(getApplicationContext(), MediaButtonIntentReceiver.class));
initRemoteControlClient();
thingsRegistered = true;
@ -175,19 +180,19 @@ public class MusicService extends Service implements MediaPlayer.OnPreparedListe
switch (action) {
case ACTION_TOGGLE_PLAYBACK:
if (isPlaying()) {
pausePlaying();
pausePlaying(false);
} else {
resumePlaying();
resumePlaying(false);
}
break;
case ACTION_PAUSE:
pausePlaying();
pausePlaying(false);
break;
case ACTION_PLAY:
playSong();
break;
case ACTION_RESUME:
resumePlaying();
resumePlaying(false);
break;
case ACTION_REWIND:
back(true);
@ -228,10 +233,10 @@ public class MusicService extends Service implements MediaPlayer.OnPreparedListe
private void unregisterEverything() {
if (thingsRegistered) {
unregisterReceiver(receiver);
unregisterReceiver(becomingNoisyReceiver);
getAudioManager().unregisterRemoteControlClient(remoteControlClient);
getAudioManager().unregisterMediaButtonEventReceiver(new ComponentName(getApplicationContext(), MediaButtonIntentReceiver.class));
getAudioManager().abandonAudioFocus(this);
getAudioManager().abandonAudioFocus(audioFocusListener);
thingsRegistered = false;
}
}
@ -355,7 +360,7 @@ public class MusicService extends Service implements MediaPlayer.OnPreparedListe
}
private boolean requestFocus() {
return (getAudioManager().requestAudioFocus(this, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN) == AudioManager.AUDIOFOCUS_REQUEST_GRANTED);
return (getAudioManager().requestAudioFocus(audioFocusListener, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN) == AudioManager.AUDIOFOCUS_REQUEST_GRANTED);
}
private void updateRemoteControlClient() {
@ -483,7 +488,7 @@ public class MusicService extends Service implements MediaPlayer.OnPreparedListe
public void onPrepared(MediaPlayer mp) {
isPlayerPrepared = true;
openAudioEffectSession();
resumePlaying();
resumePlaying(false);
savePosition();
releaseWakeLock();
}
@ -603,47 +608,6 @@ public class MusicService extends Service implements MediaPlayer.OnPreparedListe
return currentSongId;
}
@Override
public void onAudioFocusChange(int focusChange) {
switch (focusChange) {
case AudioManager.AUDIOFOCUS_GAIN:
// resume playback
registerEverything();
setUpMediaPlayerIfNeeded();
player.setVolume(1.0f, 1.0f);
if (wasPlayingBeforeFocusLoss) {
resumePlaying();
}
updateRemoteControlClient();
break;
case AudioManager.AUDIOFOCUS_LOSS:
// Lost focus for an unbounded amount of time: stop playback and release media player
//TODO maybe also release player (stopPlaying()) but then the current position in the song is 0 again
wasPlayingBeforeFocusLoss = false;
pausePlaying();
unregisterEverything();
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
// Lost focus for a short time, but we have to stop
// playback. We don't release the media player because playback
// is likely to resume
wasPlayingBeforeFocusLoss = isPlaying();
pausePlaying();
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
// Lost focus for a short time, but it's ok to keep playing
// at an attenuated level
if (!isPlayerPrepared()) {
setUpMediaPlayerIfNeeded();
}
player.setVolume(0.2f, 0.2f);
break;
}
}
public void playSongAt(final int position) {
if (position < getPlayingQueue().size() && position >= 0) {
setPosition(position);
@ -653,8 +617,8 @@ public class MusicService extends Service implements MediaPlayer.OnPreparedListe
}
}
public void pausePlaying() {
if (PreferenceUtils.getInstance(this).fadePlayPauseAndInterruptions()) {
public void pausePlaying(boolean forceNoFading) {
if (!forceNoFading && PreferenceUtils.getInstance(this).fadePlayPauseAndInterruptions()) {
playerHandler.removeMessages(FADEUPANDRESUME);
playerHandler.sendEmptyMessage(FADEDOWNANDPAUSE);
} else {
@ -670,8 +634,8 @@ public class MusicService extends Service implements MediaPlayer.OnPreparedListe
}
}
public void resumePlaying() {
if (PreferenceUtils.getInstance(this).fadePlayPauseAndInterruptions()) {
public void resumePlaying(boolean forceNoFading) {
if (!forceNoFading && PreferenceUtils.getInstance(this).fadePlayPauseAndInterruptions()) {
playerHandler.removeMessages(FADEDOWNANDPAUSE);
playerHandler.sendEmptyMessage(FADEUPANDRESUME);
} else {
@ -911,7 +875,7 @@ public class MusicService extends Service implements MediaPlayer.OnPreparedListe
} else {
currentPlayPauseFadeVolume = 0f;
service.fadingDown = false;
service.pause();
service.pausePlaying(true);
}
service.player.setVolume(currentPlayPauseFadeVolume, currentPlayPauseFadeVolume);
break;
@ -930,11 +894,10 @@ public class MusicService extends Service implements MediaPlayer.OnPreparedListe
case FOCUSCHANGE:
switch (msg.arg1) {
case AudioManager.AUDIOFOCUS_GAIN:
if (!service.isPlaying()) {
if (service.wasPlayingBeforeFocusLoss) {
service.resumePlaying();
service.wasPlayingBeforeFocusLoss = false;
}
service.registerEverything();
if (!service.isPlaying() && service.wasPlayingBeforeFocusLoss) {
service.resumePlaying(false);
service.wasPlayingBeforeFocusLoss = false;
}
removeMessages(DUCK);
sendEmptyMessage(UNDUCK);
@ -943,7 +906,7 @@ public class MusicService extends Service implements MediaPlayer.OnPreparedListe
case AudioManager.AUDIOFOCUS_LOSS:
// Lost focus for an unbounded amount of time: stop playback and release media player
service.wasPlayingBeforeFocusLoss = false;
service.pausePlaying();
service.pausePlaying(true);
service.unregisterEverything();
break;
@ -952,7 +915,7 @@ public class MusicService extends Service implements MediaPlayer.OnPreparedListe
// playback. We don't release the media player because playback
// is likely to resume
service.wasPlayingBeforeFocusLoss = service.isPlaying();
service.pausePlaying();
service.pausePlaying(false);
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK: