Created
July 12, 2015 18:57
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Minimal MediaSessionCompat needed to get RemoteControlClient to appear
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package com.example.remotecontrolclient; | |
import android.app.Service; | |
import android.content.ComponentName; | |
import android.content.Context; | |
import android.content.Intent; | |
import android.graphics.BitmapFactory; | |
import android.media.AudioManager; | |
import android.os.IBinder; | |
import android.support.v4.media.MediaMetadataCompat; | |
import android.support.v4.media.session.MediaSessionCompat; | |
import android.support.v4.media.session.PlaybackStateCompat; | |
public class PlayerService extends Service { | |
private MediaSessionCompat mediaSession; | |
@Override | |
public void onCreate() { | |
super.onCreate(); | |
ComponentName receiver = new ComponentName(getPackageName(), RemoteReceiver.class.getName()); | |
mediaSession = new MediaSessionCompat(this, "PlayerService", receiver, null); | |
mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS | | |
MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS); | |
mediaSession.setPlaybackState(new PlaybackStateCompat.Builder() | |
.setState(PlaybackStateCompat.STATE_PAUSED, 0, 0) | |
.setActions(PlaybackStateCompat.ACTION_PLAY_PAUSE) | |
.build()); | |
mediaSession.setMetadata(new MediaMetadataCompat.Builder() | |
.putString(MediaMetadataCompat.METADATA_KEY_ARTIST, "Test Artist") | |
.putString(MediaMetadataCompat.METADATA_KEY_ALBUM, "Test Album") | |
.putString(MediaMetadataCompat.METADATA_KEY_TITLE, "Test Track Name") | |
.putLong(MediaMetadataCompat.METADATA_KEY_DURATION, 10000) | |
.putBitmap(MediaMetadataCompat.METADATA_KEY_ALBUM_ART, | |
BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher)) | |
.build()); | |
AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE); | |
audioManager.requestAudioFocus(new AudioManager.OnAudioFocusChangeListener() { | |
@Override | |
public void onAudioFocusChange(int focusChange) { | |
// Ignore | |
} | |
}, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN); | |
mediaSession.setActive(true); | |
} | |
@Override | |
public int onStartCommand(Intent intent, int flags, int startId) { | |
if (mediaSession.getController().getPlaybackState().getState() == PlaybackStateCompat.STATE_PLAYING) { | |
mediaSession.setPlaybackState(new PlaybackStateCompat.Builder() | |
.setState(PlaybackStateCompat.STATE_PAUSED, 0, 0.0f) | |
.setActions(PlaybackStateCompat.ACTION_PLAY_PAUSE).build()); | |
} else { | |
mediaSession.setPlaybackState(new PlaybackStateCompat.Builder() | |
.setState(PlaybackStateCompat.STATE_PLAYING, 0, 1.0f) | |
.setActions(PlaybackStateCompat.ACTION_PLAY_PAUSE).build()); | |
} | |
return super.onStartCommand(intent, flags, startId); | |
} | |
@Override | |
public IBinder onBind(Intent intent) { | |
return null; | |
} | |
@Override | |
public void onDestroy() { | |
super.onDestroy(); | |
mediaSession.release(); | |
} | |
} |
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package com.example.remotecontrolclient; | |
import android.content.BroadcastReceiver; | |
import android.content.Context; | |
import android.content.Intent; | |
import android.view.KeyEvent; | |
public class RemoteReceiver extends BroadcastReceiver { | |
@Override | |
public void onReceive(Context context, Intent intent) { | |
if (Intent.ACTION_MEDIA_BUTTON.equals(intent.getAction())) { | |
final KeyEvent event = intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT); | |
if (event != null && event.getAction() == KeyEvent.ACTION_DOWN) { | |
switch (event.getKeyCode()) { | |
case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE: | |
context.startService(new Intent(context, PlayerService.class)); | |
break; | |
} | |
} | |
} | |
} | |
} |
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I cannot change to "play" button, the button always show "pause", if i change to state to paused the playback screen not showing anything
This code not show anything
mediaSession.setPlaybackState(new PlaybackStateCompat.Builder()
.setState(PlaybackStateCompat.STATE_PAUSED, 0, 0.0f)
.setActions(PlaybackStateCompat.ACTION_PLAY_PAUSE).build());