Example usage for android.media AudioManager AUDIOFOCUS_GAIN

Introduction

In this page you can find the example usage for android.media AudioManager AUDIOFOCUS_GAIN.

Prototype

int AUDIOFOCUS_GAIN

To view the source code for android.media AudioManager AUDIOFOCUS_GAIN.

Click Source Link

Document

Used to indicate a gain of audio focus, or a request of audio focus, of unknown duration.

Usage

From source file:Main.java

/**
 * Utility method that/*  w w  w  .j  a v  a 2s . c o m*/
 * @param am the AudioManager requesting the focus
 * @param afChangeListener the foucs listener associated to the AudioManager
 * @return true if focus is granted, false if not.
 */
public static boolean focusRequestGranted(AudioManager am, Object afChangeListener) {
    int result = am.requestAudioFocus((AudioManager.OnAudioFocusChangeListener) afChangeListener,
            AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
    return result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED;
}

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From source file:bala.padio.Player.java

private void Play(String url) {
    try {//from  ww  w .  j a va  2s.  c  om

        if (url == null) {
            Log.e(TAG, "Empty url");
            return;
        }

        // request audio focus
        if (audioManager == null) {
            audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
        }
        int result = audioManager.requestAudioFocus(this, AudioManager.STREAM_MUSIC,
                AudioManager.AUDIOFOCUS_GAIN);
        if (result != AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
            Log.e(TAG, "Audio focus not granted");
            return;
        }

        // initialize player
        if (mediaPlayer != null) {
            mediaPlayer.reset();
        } else {
            mediaPlayer = new MediaPlayer();
        }

        // set playerUrl source and prepare media player
        this.playerUrl = url;
        Uri streamUrl = Uri.parse(getStreamUrl(url));
        mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
        mediaPlayer.setDataSource(this, streamUrl);
        mediaPlayer.setOnErrorListener(this);
        mediaPlayer.setOnPreparedListener(this);
        mediaPlayer.prepareAsync();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

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From source file:de.j4velin.headsetturnon.ListeningService.java

@Override
public int onStartCommand(final Intent intent, int flags, int startId) {
    if (BuildConfig.DEBUG)
        android.util.Log.d("HeadsetTurnOn", "service start");
    AudioManager am = (AudioManager) getSystemService(AUDIO_SERVICE);
    boolean failed = am.requestAudioFocus(focusChangeListener, AudioManager.STREAM_MUSIC,
            AudioManager.AUDIOFOCUS_GAIN) == AudioManager.AUDIOFOCUS_REQUEST_FAILED;
    am.registerMediaButtonEventReceiver(new ComponentName(ListeningService.this, Receiver.class));

    if (BuildConfig.DEBUG)
        android.util.Log.d("HeadsetTurnOn", "request audiofocus failed? " + failed);

    NotificationCompat.Builder b = new NotificationCompat.Builder(this);
    b.setOngoing(true).setContentText(getString(R.string.notification_text))
            .setContentTitle(getString(R.string.notification_title)).setSmallIcon(R.drawable.ic_notification)
            .setContentIntent(PendingIntent.getActivity(this, 0,
                    new Intent(this, Main.class).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK), 0));

    startForeground(1, b.build());//  w ww .  j a  va  2 s  . c  o m

    return START_STICKY;
}

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From source file:org.chromium.tools.audio_focus_grabber.AudioFocusGrabberListenerService.java

void processIntent(Intent intent) {
    if (mMediaPlayer != null) {
        Log.i(TAG,/*from  w ww  .j av  a  2 s  .c o m*/
                "There's already a MediaPlayer playing," + " stopping the existing player and abandon focus");
        releaseAndAbandonAudioFocus();
    }
    String action = intent.getAction();
    if (ACTION_SHOW_NOTIFICATION.equals(action)) {
        showNotification();
    } else if (ACTION_HIDE_NOTIFICATION.equals(action)) {
        hideNotification();
    } else if (ACTION_GAIN.equals(action)) {
        gainFocusAndPlay(AudioManager.AUDIOFOCUS_GAIN);
    } else if (ACTION_TRANSIENT_PAUSE.equals(action)) {
        gainFocusAndPlay(AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
    } else if (ACTION_TRANSIENT_DUCK.equals(action)) {
        gainFocusAndPlay(AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK);
    } else {
        assert false;
    }
}

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From source file:com.reallynourl.nourl.fmpfoldermusicplayer.backend.MediaService.java

private boolean requestAudioFocus() {
    AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
    int result = audioManager.requestAudioFocus(this, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);

    if (result != AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
        mIsPreparedToPlay = false;//w  w w  . ja  v  a  2  s  . c o m
        Toast.makeText(getApplicationContext(), "Failed to get audio focus. Not starting playback.",
                Toast.LENGTH_LONG).show();
        if (mMediaPlayer != null) {
            mMediaPlayer.stop();
        }
        return false;
    } else {
        mMediaPlayer.setVolume(1.0f, 1.0f);
    }
    return true;
}

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From source file:com.ecoplayer.beta.MusicService.java

private boolean initMediaPlayer() {
    startForeground(NOTIFICATION_ID, notiBuilder.getNotification());
    AudioManager audioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
    int result = audioManager.requestAudioFocus(audioFocusChangeList, AudioManager.STREAM_MUSIC,
            AudioManager.AUDIOFOCUS_GAIN);
    if (result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
        mMediaPlayer = new MediaPlayer(); // initialize it here
        mMediaPlayer.setOnPreparedListener(this);
        mMediaPlayer.setOnCompletionListener(onCompletion);
        mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
        // prevent CPU from going to sleep
        mMediaPlayer.setWakeMode(getApplicationContext(), PowerManager.PARTIAL_WAKE_LOCK);
        return true;
    } else {// w  w w .  j av a2 s .co  m
        Log.w(LOG_TAG, "The service hasn't got the audio focus");
    }
    return false;
}

---

From source file:org.y20k.transistor.PlayerService.java

@Override
public void onAudioFocusChange(int focusChange) {
    switch (focusChange) {
    // gain of audio focus of unknown duration
    case AudioManager.AUDIOFOCUS_GAIN:
        if (mPlayback) {
            if (mMediaPlayer == null) {
                initializeMediaPlayer();
            } else if (!mMediaPlayer.isPlaying()) {
                mMediaPlayer.start();/*from ww w  . j  a v  a2  s.c  o  m*/
            }
            mMediaPlayer.setVolume(1.0f, 1.0f);
        }
        break;
    // loss of audio focus of unknown duration
    case AudioManager.AUDIOFOCUS_LOSS:
        stopPlayback();
        break;
    // transient loss of audio focus
    case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
        if (!mPlayback && mMediaPlayer != null && mMediaPlayer.isPlaying()) {
            stopPlayback();
        } else if (mPlayback && mMediaPlayer != null && mMediaPlayer.isPlaying()) {
            mMediaPlayer.pause();
        }
        break;
    // temporary external request of audio focus
    case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
        if (mMediaPlayer != null && mMediaPlayer.isPlaying()) {
            mMediaPlayer.setVolume(0.1f, 0.1f);
        }
        break;
    }
}

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From source file:com.perm.DoomPlay.PlayingService.java

@Override
public void onCreate() {
    super.onCreate();
    isLoadingTrack = false;/*from   w  w  w  .ja v  a2s . com*/
    isShuffle = false;
    isPlaying = true;
    isLoop = false;

    afListener = new AFListener();
    audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
    audioManager.requestAudioFocus(afListener, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);

    ComponentName componentName = new ComponentName(this, MediaButtonReceiver.class);
    audioManager.registerMediaButtonEventReceiver(componentName);

    ((TelephonyManager) getSystemService(TELEPHONY_SERVICE)).listen(callListener,
            CallListener.LISTEN_CALL_STATE);
    PreferenceManager.getDefaultSharedPreferences(this).registerOnSharedPreferenceChangeListener(this);

    serviceAlive = true;
    bassPlayer = new BassPlayer();
    bassPlayer.setOnCompletetion(this);

}

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From source file:net.dian1.player.service.PlayerService.java

@Override
public void onCreate() {
    Log.i(Dian1Application.TAG, "Player Service onCreate");

    mPlayerEngine = new PlayerEngineImpl();
    mPlayerEngine.addListener(mLocalEngineListener);

    mAudioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
    mAudioManager.requestAudioFocus(mAudioFocusListener, AudioManager.STREAM_MUSIC,
            AudioManager.AUDIOFOCUS_GAIN);

    //        mTelephonyManager = (TelephonyManager) this.getSystemService(Context.TELEPHONY_SERVICE);
    //        mPhoneStateListener = new PhoneStateListener() {
    ///*ww  w .  ja v a2s. c o  m*/
    //            @Override
    //            public void onCallStateChanged(int state, String incomingNumber) {
    //                Log.e(Dian1Application.TAG, "onCallStateChanged");
    //                if (state == TelephonyManager.CALL_STATE_IDLE) {
    //                    // resume playback
    //                } else {
    //                    if (mPlayerEngine != null) {
    //                        mPlayerEngine.pause();
    //                    }
    //                }
    //            }
    //
    //        };
    //        mTelephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);

    mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

    mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
    mWifiLock = mWifiManager.createWifiLock(Dian1Application.TAG);
    mWifiLock.setReferenceCounted(false);

    Dian1Application.getInstance().setConcretePlayerEngine(mPlayerEngine);
    mRemoteEngineListeners = Dian1Application.getInstance().fetchPlayerEngineListener();
}

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From source file:org.amahi.anywhere.service.AudioService.java

private void setUpAudioPlayerRemote() {
    AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
    ComponentName audioReceiver = new ComponentName(getPackageName(), AudioReceiver.class.getName());

    Intent audioIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
    audioIntent.setComponent(audioReceiver);
    PendingIntent audioPendingIntent = PendingIntent.getBroadcast(this, 0, audioIntent, 0);

    audioPlayerRemote = new RemoteControlClient(audioPendingIntent);
    audioPlayerRemote.setTransportControlFlags(RemoteControlClient.FLAG_KEY_MEDIA_PLAY_PAUSE
            | RemoteControlClient.FLAG_KEY_MEDIA_NEXT | RemoteControlClient.FLAG_KEY_MEDIA_PREVIOUS);
    audioPlayerRemote.setPlaybackState(RemoteControlClient.PLAYSTATE_PLAYING);

    audioManager.requestAudioFocus(this, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
    audioManager.registerMediaButtonEventReceiver(audioReceiver);
    audioManager.registerRemoteControlClient(audioPlayerRemote);
}

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