Example usage for android.media AudioManager AUDIOFOCUS_LOSS

Introduction

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

Prototype

int AUDIOFOCUS_LOSS_TRANSIENT

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

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Document

Used to indicate a transient loss of audio focus.

Usage

From source file:nuclei.media.playback.ExoPlayerPlayback.java

/**
 * Called by AudioManager on audio focus changes.
 * Implementation of {@link AudioManager.OnAudioFocusChangeListener}
 *///ww  w . jav a2 s  .c  om
@Override
public void onAudioFocusChange(int focusChange) {
    if (LOG.isLoggable(Log.INFO))
        LOG.d("onAudioFocusChange. focusChange=" + focusChange);
    if (focusChange == AudioManager.AUDIOFOCUS_GAIN) {
        // We have gained focus:
        mAudioFocus = AUDIO_FOCUSED;

    } else if (focusChange == AudioManager.AUDIOFOCUS_LOSS
            || focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT
            || focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK) {
        // We have lost focus. If we can duck (low playback volume), we can keep playing.
        // Otherwise, we need to pause the playback.
        boolean canDuck = focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK;
        mAudioFocus = canDuck ? AUDIO_NO_FOCUS_CAN_DUCK : AUDIO_NO_FOCUS_NO_DUCK;

        // If we are playing, we need to reset media player by calling configMediaPlayerState
        // with mAudioFocus properly set.
        if (mState == PlaybackStateCompat.STATE_PLAYING && !canDuck) {
            // If we don't have audio focus and can't duck, we save the information that
            // we were playing, so that we can resume playback once we get the focus back.
            mPlayOnFocusGain = true;
        }
    } else {
        LOG.e("onAudioFocusChange: Ignoring unsupported focusChange: " + focusChange);
    }
    configMediaPlayerState(false, false);
}

From source file:com.sourceauditor.sahomemonitor.MainActivity.java

@Override
public void onAudioFocusChange(int focusChange) {
    switch (focusChange) {
    case AudioManager.AUDIOFOCUS_GAIN:
        if (paused()) {
            play();/*from   ww w  .j ava  2s  .  co  m*/
        } else {
            audioPlayer.setVolume(1.0f, 1.0f);
        }
        break;

    case AudioManager.AUDIOFOCUS_LOSS:
        // Lost focus for an unbounded amount of time: pause playback
        pause();
        break;

    case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
        pause();
        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 (!paused()) {
            audioPlayer.setVolume(0.1f, 0.1f);

        }
        break;
    }
}

From source file:leoisasmendi.android.com.suricatepodcast.services.MediaPlayerService.java

@Override
public void onAudioFocusChange(int focusState) {
    //Invoked when the audio focus of the system is updated.
    switch (focusState) {
    case AudioManager.AUDIOFOCUS_GAIN:
        // resume playback
        if (mediaPlayer == null)
            initMediaPlayer();/*from www.  j  a  v  a 2 s  .  c  om*/
        else if (!mediaPlayer.isPlaying())
            mediaPlayer.start();
        mediaPlayer.setVolume(1.0f, 1.0f);
        break;
    case AudioManager.AUDIOFOCUS_LOSS:
        // Lost focus for an unbounded amount of time: stop playback and release media player
        if (mediaPlayer.isPlaying())
            mediaPlayer.stop();
        mediaPlayer.release();
        mediaPlayer = null;
        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
        if (mediaPlayer.isPlaying())
            mediaPlayer.pause();
        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 (mediaPlayer.isPlaying())
            mediaPlayer.setVolume(0.1f, 0.1f);
        break;
    }
}

From source file:com.shinymayhem.radiopresets.ServiceRadioPlayer.java

@Override
public void onAudioFocusChange(int focusChange) {
    if (focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT) {
        mAudioFocused = false;/*from  w  w w .jav  a 2s  .com*/
        if (LOCAL_LOGD)
            log("AUDIOFOCUS_LOSS_TRANSIENT", "d");
        // Pause playback
        pause();
    } else if (focusChange == AudioManager.AUDIOFOCUS_GAIN) {
        mAudioFocused = true;
        if (LOCAL_LOGD)
            log("AUDIOFOCUS_GAIN", "d");
        // Resume playback or unduck
        if (shouldResumeOnAudioFocus()) {
            if (mCurrentPlayerState.equals(STATE_PAUSED)) {
                resume();
            } else {
                //find out which states this is run into from. change shouldResumeOnAudioFocus() accordingly (only resume when paused?)
                if (LOCAL_LOGD)
                    log("Focus gained,  but playback not resumed", "d"); //investigate
            }
        } else {
            if (LOCAL_LOGD)
                log("Focused gained but playback should not try to resume", "d");
            if (mPreset == 0) {

            }

        }
        unduck();

    } else if (focusChange == AudioManager.AUDIOFOCUS_LOSS) {

        if (LOCAL_LOGD)
            log("AUDIOFOCUS_LOSS", "d");
        if (mMediaButtonEventReceiverRegistered) {
            if (LOCAL_LOGV)
                log("unregister button receiver", "v");
            mAudioManager.unregisterMediaButtonEventReceiver(
                    new ComponentName(getPackageName(), ReceiverRemoteControl.class.getName()));
            mMediaButtonEventReceiverRegistered = false;
        } else {
            if (LOCAL_LOGV)
                log("button receiver already unregistered", "v");
        }
        //this.abandonAudioFocus(); //already done in stop()->pause()
        // Stop playback
        stop();

    } else if (focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK) {
        // Lower the volume
        if (LOCAL_LOGV)
            log("AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK", "v");
        duck();
    }

}

From source file:com.wojtechnology.sunami.TheBrain.java

private void registerAudio() {
    if (mHasAudioFocus || !mIsInit) {
        return;//from w w w .  j av a2 s.  c o m
    }
    mHasAudioFocus = true;

    // Add audio focus change listener
    mAFChangeListener = new AudioManager.OnAudioFocusChangeListener() {
        public void onAudioFocusChange(int focusChange) {
            if (focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT) {
                pausePlayback();
                setUI(false);
            } else if (focusChange == AudioManager.AUDIOFOCUS_GAIN) {
                // Does nothing cause made me play music at work
            } else if (focusChange == AudioManager.AUDIOFOCUS_LOSS) {
                pausePlayback();
                unregisterAudio();
                setUI(false);
            }
        }
    };

    mAudioManager.requestAudioFocus(mAFChangeListener, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);

    // Add headphone out listener
    registerReceiver(mNoisyAudioStreamReceiver, new IntentFilter(AudioManager.ACTION_AUDIO_BECOMING_NOISY));

    // Add notification and transport controls
    ComponentName eventReceiver = new ComponentName(getPackageName(),
            RemoteControlEventReceiver.class.getName());
    mSession = new MediaSessionCompat(this, "FireSession", eventReceiver, null);
    mSession.setFlags(
            MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS | MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS);
    mSession.setPlaybackToLocal(AudioManager.STREAM_MUSIC);
    mSession.setMetadata(new MediaMetadataCompat.Builder().putString(MediaMetadataCompat.METADATA_KEY_TITLE, "")
            .putString(MediaMetadataCompat.METADATA_KEY_ALBUM_ARTIST, "")
            .putLong(MediaMetadata.METADATA_KEY_DURATION, -1).build());

    mSession.setCallback(new MediaSessionCompat.Callback() {

        @Override
        public void onSeekTo(long pos) {
            super.onSeekTo(pos);
            setProgress((int) pos, isPlaying());
        }
    });
    mSession.setActive(true);
}

From source file:com.thejoshwa.ultrasonic.androidapp.util.Util.java

public static void requestAudioFocus(final Context context) {
    if (!hasFocus) {
        final AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
        hasFocus = true;//w w w.  j ava 2 s  . c om
        audioManager.requestAudioFocus(new OnAudioFocusChangeListener() {
            public void onAudioFocusChange(int focusChange) {
                DownloadServiceImpl downloadService = (DownloadServiceImpl) context;
                if ((focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT
                        || focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK)
                        && !downloadService.isJukeboxEnabled()) {
                    if (downloadService.getPlayerState() == PlayerState.STARTED) {
                        SharedPreferences prefs = getPreferences(context);
                        int lossPref = Integer
                                .parseInt(prefs.getString(Constants.PREFERENCES_KEY_TEMP_LOSS, "1"));
                        if (lossPref == 2 || (lossPref == 1
                                && focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK)) {
                            lowerFocus = true;
                            downloadService.setVolume(0.1f);
                        } else if (lossPref == 0
                                || (lossPref == 1 && focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT)) {
                            pauseFocus = true;
                            downloadService.pause();
                        }
                    }
                } else if (focusChange == AudioManager.AUDIOFOCUS_GAIN) {
                    if (pauseFocus) {
                        pauseFocus = false;
                        downloadService.start();
                    } else if (lowerFocus) {
                        lowerFocus = false;
                        downloadService.setVolume(1.0f);
                    }
                } else if (focusChange == AudioManager.AUDIOFOCUS_LOSS && !downloadService.isJukeboxEnabled()) {
                    hasFocus = false;
                    downloadService.pause();
                    audioManager.abandonAudioFocus(this);
                }
            }
        }, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
    }
}

From source file:github.daneren2005.dsub.util.Util.java

@TargetApi(8)
public static void requestAudioFocus(final Context context) {
    if (Build.VERSION.SDK_INT >= 8 && !hasFocus) {
        final AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
        hasFocus = true;// w w  w  .j  av a 2s .  c  o  m
        audioManager.requestAudioFocus(new OnAudioFocusChangeListener() {
            public void onAudioFocusChange(int focusChange) {
                DownloadServiceImpl downloadService = (DownloadServiceImpl) context;
                if ((focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT
                        || focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK)
                        && !downloadService.isJukeboxEnabled()) {
                    if (downloadService.getPlayerState() == PlayerState.STARTED) {
                        SharedPreferences prefs = getPreferences(context);
                        int lossPref = Integer
                                .parseInt(prefs.getString(Constants.PREFERENCES_KEY_TEMP_LOSS, "1"));
                        if (lossPref == 2 || (lossPref == 1
                                && focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK)) {
                            lowerFocus = true;
                            downloadService.setVolume(0.1f);
                        } else if (lossPref == 0
                                || (lossPref == 1 && focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT)) {
                            pauseFocus = true;
                            downloadService.pause();
                        }
                    }
                } else if (focusChange == AudioManager.AUDIOFOCUS_GAIN) {
                    if (pauseFocus) {
                        pauseFocus = false;
                        downloadService.start();
                    } else if (lowerFocus) {
                        lowerFocus = false;
                        downloadService.setVolume(1.0f);
                    }
                } else if (focusChange == AudioManager.AUDIOFOCUS_LOSS && !downloadService.isJukeboxEnabled()) {
                    hasFocus = false;
                    downloadService.pause();
                    audioManager.abandonAudioFocus(this);
                }
            }
        }, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
    }
}

From source file:github.daneren2005.dsub.util.Util.java

@TargetApi(8)
public static void requestAudioFocus(final Context context) {
    if (Build.VERSION.SDK_INT >= 8 && focusListener == null) {
        final AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
        audioManager.requestAudioFocus(focusListener = new OnAudioFocusChangeListener() {
            public void onAudioFocusChange(int focusChange) {
                DownloadService downloadService = (DownloadService) context;
                if ((focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT
                        || focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK)
                        && !downloadService.isRemoteEnabled()) {
                    if (downloadService.getPlayerState() == PlayerState.STARTED) {
                        Log.i(TAG, "Temporary loss of focus");
                        SharedPreferences prefs = getPreferences(context);
                        int lossPref = Integer
                                .parseInt(prefs.getString(Constants.PREFERENCES_KEY_TEMP_LOSS, "1"));
                        if (lossPref == 2 || (lossPref == 1
                                && focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK)) {
                            lowerFocus = true;
                            downloadService.setVolume(0.1f);
                        } else if (lossPref == 0
                                || (lossPref == 1 && focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT)) {
                            pauseFocus = true;
                            downloadService.pause(true);
                        }/*from  w ww .  java2 s .  c o  m*/
                    }
                } else if (focusChange == AudioManager.AUDIOFOCUS_GAIN) {
                    if (pauseFocus) {
                        pauseFocus = false;
                        downloadService.start();
                    } else if (lowerFocus) {
                        lowerFocus = false;
                        downloadService.setVolume(1.0f);
                    }
                } else if (focusChange == AudioManager.AUDIOFOCUS_LOSS && !downloadService.isRemoteEnabled()) {
                    Log.i(TAG, "Permanently lost focus");
                    focusListener = null;
                    downloadService.pause();
                    audioManager.abandonAudioFocus(this);
                }
            }
        }, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
    }
}

From source file:com.rks.musicx.services.MusicXService.java

@Override
public void onAudioFocusChange(int focusChange) {
    switch (focusChange) {
    case AudioManager.AUDIOFOCUS_LOSS:
        Log.d(TAG, "AudioFocus Loss");
        if (MediaPlayerSingleton.getInstance().getMediaPlayer().isPlaying()) {
            pause();//from   ww w  .  j  a va 2  s.  com
            //service.stopSelf();
        }
        break;
    case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
        if (MediaPlayerSingleton.getInstance().getMediaPlayer().isPlaying()) {
            MediaPlayerSingleton.getInstance().getMediaPlayer().setVolume(0.3f, 0.3f);
            mIsDucked = true;
        }
        Log.d(TAG, "AudioFocus Loss Can Duck Transient");
        break;
    case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
        Log.d(TAG, "AudioFocus Loss Transient");
        if (MediaPlayerSingleton.getInstance().getMediaPlayer().isPlaying()) {
            pause();
            mLostAudioFocus = true;
        }
        break;
    case AudioManager.AUDIOFOCUS_GAIN:
        Log.d(TAG, "AudioFocus Gain");
        if (mIsDucked) {
            MediaPlayerSingleton.getInstance().getMediaPlayer().setVolume(1.0f, 1.0f);
            mIsDucked = false;
        } else if (mLostAudioFocus) {
            // If we temporarily lost the audio focus we can resume playback here
            if (MediaPlayerSingleton.getInstance().getMediaPlayer().isPlaying()) {
                play();
            }
            mLostAudioFocus = false;
        }
        break;
    default:
        Log.d(TAG, "Unknown focus");
    }
}

From source file:github.madmarty.madsonic.util.Util.java

@TargetApi(8)
public static void requestAudioFocus(final Context context) {
    if (Build.VERSION.SDK_INT >= 8 && !hasFocus) {
        final AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
        hasFocus = true;//w ww .j a  v a2s  . c o m
        audioManager.requestAudioFocus(new OnAudioFocusChangeListener() {
            public void onAudioFocusChange(int focusChange) {
                DownloadServiceImpl downloadService = (DownloadServiceImpl) context;
                if ((focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT
                        || focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK)
                        && !downloadService.isJukeboxEnabled()) {
                    if (downloadService.getPlayerState() == PlayerState.STARTED) {
                        SharedPreferences prefs = getPreferences(context);
                        int lossPref = Integer
                                .parseInt(prefs.getString(Constants.PREFERENCES_KEY_AUDIO_FOCUS, "1"));
                        if (lossPref == 2 || (lossPref == 1
                                && focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK)) {
                            lowerFocus = true;
                            downloadService.setVolume(0.1f);
                        } else if (lossPref == 0
                                || (lossPref == 1 && focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT)) {
                            pauseFocus = true;
                            downloadService.pause();
                        }
                    }
                } else if (focusChange == AudioManager.AUDIOFOCUS_GAIN) {
                    if (pauseFocus) {
                        pauseFocus = false;
                        downloadService.start();
                    } else if (lowerFocus) {
                        lowerFocus = false;
                        downloadService.setVolume(1.0f);
                    }
                } else if (focusChange == AudioManager.AUDIOFOCUS_LOSS && !downloadService.isJukeboxEnabled()) {
                    hasFocus = false;
                    downloadService.pause();
                    audioManager.abandonAudioFocus(this);
                }
            }
        }, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
    }
}

Example usage for android.media AudioManager AUDIOFOCUS_LOSS_TRANSIENT

Introduction

Prototype

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Usage