Example usage for android.media AudioManager requestAudioFocus

List of usage examples for android.media AudioManager requestAudioFocus

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Introduction

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

Prototype

public int requestAudioFocus(OnAudioFocusChangeListener l, int streamType, int durationHint)

Source Link

Document

Request audio focus.

Usage

From source file:org.videolan.myvlc.core.mediaController.AudioService.java

@TargetApi(Build.VERSION_CODES.FROYO)
private void changeAudioFocus(boolean gain) {
    if (!Util.isFroyoOrLater()) // NOP if not supported
        return;//from   w  w w . j ava  2 s  . com

    audioFocusListener = new OnAudioFocusChangeListener() {
        @Override
        public void onAudioFocusChange(int focusChange) {
            if (focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK
                    || focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT) {
                /*
                 * Lower the volume to 36% to "duck" when an alert or something
                 * needs to be played.
                 */
                //LibVLC.getExistingInstance().setVolume(36);
            } else {
                //LibVLC.getExistingInstance().setVolume(100);
            }
        }
    };

    AudioManager am = (AudioManager) getSystemService(AUDIO_SERVICE);
    if (gain)
        am.requestAudioFocus(audioFocusListener, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
    else
        am.abandonAudioFocus(audioFocusListener);

}

From source file:org.videolan.vlc.MediaService.java

@TargetApi(8)
private void changeAudioFocus(boolean gain) {
    if (!Util.isFroyoOrLater()) // NOP if not supported
        return;//  w  w w  .j  av  a2 s  .c o  m

    if (audioFocusListener == null) {
        audioFocusListener = new OnAudioFocusChangeListener() {

            @Override
            public void onAudioFocusChange(int focusChange) {
                switch (focusChange) {
                case AudioManager.AUDIOFOCUS_LOSS:
                    if (LibVLC.getExistingInstance().isPlaying()) {
                        stop();
                    }
                    break;
                case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
                    if (LibVLC.getExistingInstance().isPlaying()) {
                        pause();
                    }
                    break;
                case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
                    LibVLC.getExistingInstance().setVolume(36);
                    break;
                case AudioManager.AUDIOFOCUS_GAIN:
                case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
                    LibVLC.getExistingInstance().setVolume(100);
                    break;
                default:
                    break;
                }
            }
        };
    }

    Log.i(TAG, "changeAudioFocus gain=" + gain);
    AudioManager am = (AudioManager) getSystemService(AUDIO_SERVICE);
    if (gain)
        am.requestAudioFocus(audioFocusListener, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
    else
        am.abandonAudioFocus(audioFocusListener);

}

From source file:com.xnxs.mediaplayer.widget.media.VRVideoView.java

@TargetApi(Build.VERSION_CODES.M)
private void openVideo() {
    if ((mUri == null && mIMediaDataSource == null) || mSurfaceHolder == null) {
        // not ready for playback just yet, will try again later
        return;/*from  www .j  a  va  2 s.co m*/
    }
    // we shouldn't clear the target state, because somebody might have
    // called start() previously
    release(false);

    AudioManager am = getAudioManager();
    am.requestAudioFocus(null, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);

    try {
        mMediaPlayer = createPlayer(Settings.PV_PLAYER__IjkMediaPlayer);
        // TODO: create SubtitleController in MediaPlayer, but we need
        // a context for the subtitle renderers
        final Context context = getContext();
        // REMOVED: SubtitleController

        // REMOVED: mAudioSession
        mMediaPlayer.setOnPreparedListener(mPreparedListener);
        mMediaPlayer.setOnVideoSizeChangedListener(mSizeChangedListener);
        mMediaPlayer.setOnCompletionListener(mCompletionListener);
        mMediaPlayer.setOnErrorListener(mErrorListener);
        mMediaPlayer.setOnInfoListener(mInfoListener);
        mMediaPlayer.setOnBufferingUpdateListener(mBufferingUpdateListener);
        mCurrentBufferPercentage = 0;

        if (mUri != null) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
                mMediaPlayer.setDataSource(mAppContext, mUri, mHeaders);
            } else {
                mMediaPlayer.setDataSource(mUri.toString());
            }
        } else {
            mMediaPlayer.setDataSource(mIMediaDataSource);
        }
        bindSurfaceHolder(mMediaPlayer, mSurfaceHolder);
        mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
        mMediaPlayer.setScreenOnWhilePlaying(true);
        mMediaPlayer.prepareAsync();
        // REMOVED: mPendingSubtitleTracks

        // we don't set the target state here either, but preserve the
        // target state that was there before.
        mCurrentState = STATE_PREPARING;
        attachMediaController();
    } catch (IOException ex) {
        Log.w(TAG, "Unable to open content: " + mUri, ex);
        mCurrentState = STATE_ERROR;
        mTargetState = STATE_ERROR;
        mErrorListener.onError(mMediaPlayer, MediaPlayer.MEDIA_ERROR_UNKNOWN, 0);
    } catch (IllegalArgumentException ex) {
        Log.w(TAG, "Unable to open content: " + mUri, ex);
        mCurrentState = STATE_ERROR;
        mTargetState = STATE_ERROR;
        mErrorListener.onError(mMediaPlayer, MediaPlayer.MEDIA_ERROR_UNKNOWN, 0);
    } finally {
        // REMOVED: mPendingSubtitleTracks.clear();
    }
}

From source file:com.yamin.kk.service.AudioService.java

@TargetApi(Build.VERSION_CODES.FROYO)
private void changeAudioFocus(boolean gain) {
    if (!Util.isFroyoOrLater()) // NOP if not supported
        return;//from ww  w .ja  v a  2  s.  c o  m

    audioFocusListener = new OnAudioFocusChangeListener() {
        @Override
        public void onAudioFocusChange(int focusChange) {
            if (focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK
                    || focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT) {
                /*
                 * Lower the volume to 36% to "duck" when an alert or something
                 * needs to be played.
                 */
                LibVLC.getExistingInstance().setVolume(36);
            } else {
                LibVLC.getExistingInstance().setVolume(100);
            }
        }
    };

    AudioManager am = (AudioManager) getSystemService(AUDIO_SERVICE);
    if (gain)
        am.requestAudioFocus(audioFocusListener, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
    else
        am.abandonAudioFocus(audioFocusListener);

}

From source file:com.lybeat.lilyplayer.widget.media.IjkVideoView.java

@TargetApi(Build.VERSION_CODES.M)
private void openVideo() {
    if (mUri == null || mSurfaceHolder == null) {
        // not ready for playback just yet, will try again later
        return;/*w  w w  .  java 2  s .c  o  m*/
    }
    // we shouldn't clear the target state, because somebody might have
    // called start() previously
    release(false);

    AudioManager am = (AudioManager) mAppContext.getSystemService(Context.AUDIO_SERVICE);
    am.requestAudioFocus(null, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);

    try {
        mMediaPlayer = createPlayer(mSettings.getPlayer());

        // TODO: create SubtitleController in MediaPlayer, but we need
        // a context for the subtitle renderers
        final Context context = getContext();
        // REMOVED: SubtitleController

        // REMOVED: mAudioSession
        mMediaPlayer.setOnPreparedListener(mPreparedListener);
        mMediaPlayer.setOnVideoSizeChangedListener(mSizeChangedListener);
        mMediaPlayer.setOnCompletionListener(mCompletionListener);
        mMediaPlayer.setOnErrorListener(mErrorListener);
        mMediaPlayer.setOnInfoListener(mInfoListener);
        mMediaPlayer.setOnBufferingUpdateListener(mBufferingUpdateListener);
        mCurrentBufferPercentage = 0;
        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
            mMediaPlayer.setDataSource(mAppContext, mUri, mHeaders);
        } else {
            mMediaPlayer.setDataSource(mUri.toString());
        }
        bindSurfaceHolder(mMediaPlayer, mSurfaceHolder);
        mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
        mMediaPlayer.setScreenOnWhilePlaying(true);
        mMediaPlayer.prepareAsync();
        if (mHudViewHolder != null)
            mHudViewHolder.setMediaPlayer(mMediaPlayer);

        // REMOVED: mPendingSubtitleTracks

        // we don't set the target state here either, but preserve the
        // target state that was there before.
        mCurrentState = STATE_PREPARING;
        attachMediaController();
    } catch (IOException ex) {
        Log.w(TAG, "Unable to open content: " + mUri, ex);
        mCurrentState = STATE_ERROR;
        mTargetState = STATE_ERROR;
        mErrorListener.onError(mMediaPlayer, MediaPlayer.MEDIA_ERROR_UNKNOWN, 0);
        return;
    } catch (IllegalArgumentException ex) {
        Log.w(TAG, "Unable to open content: " + mUri, ex);
        mCurrentState = STATE_ERROR;
        mTargetState = STATE_ERROR;
        mErrorListener.onError(mMediaPlayer, MediaPlayer.MEDIA_ERROR_UNKNOWN, 0);
        return;
    } finally {
        // REMOVED: mPendingSubtitleTracks.clear();
    }
}

From source file:org.videolan.vlc.audio.AudioService.java

@TargetApi(Build.VERSION_CODES.FROYO)
private void changeAudioFocus(boolean gain) {
    if (!LibVlcUtil.isFroyoOrLater()) // NOP if not supported
        return;/*  w w w . ja  v  a  2 s  .co  m*/

    if (audioFocusListener == null) {
        audioFocusListener = new OnAudioFocusChangeListener() {
            @Override
            public void onAudioFocusChange(int focusChange) {
                LibVLC libVLC = LibVLC.getExistingInstance();
                switch (focusChange) {
                case AudioManager.AUDIOFOCUS_LOSS:
                    if (libVLC.isPlaying())
                        libVLC.pause();
                    break;
                case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
                case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
                    /*
                     * Lower the volume to 36% to "duck" when an alert or something
                     * needs to be played.
                     */
                    libVLC.setVolume(36);
                    break;
                case AudioManager.AUDIOFOCUS_GAIN:
                case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
                case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK:
                    libVLC.setVolume(100);
                    break;
                }
            }
        };
    }

    AudioManager am = (AudioManager) getSystemService(AUDIO_SERVICE);
    if (gain)
        am.requestAudioFocus(audioFocusListener, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
    else
        am.abandonAudioFocus(audioFocusListener);

}

From source file:org.videolan.vlc.PlaybackService.java

@TargetApi(Build.VERSION_CODES.FROYO)
private void changeAudioFocus(boolean gain) {
    if (!AndroidUtil.isFroyoOrLater()) // NOP if not supported
        return;/*from w w w .  java 2 s  .co m*/

    if (audioFocusListener == null) {
        audioFocusListener = new OnAudioFocusChangeListener() {
            @Override
            public void onAudioFocusChange(int focusChange) {
                if (!hasCurrentMedia())
                    return;
                switch (focusChange) {
                case AudioManager.AUDIOFOCUS_LOSS:
                    if (MediaPlayer().isPlaying())
                        MediaPlayer().pause();
                    break;
                case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
                case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
                    /*
                     * Lower the volume to 36% to "duck" when an alert or something
                     * needs to be played.
                     */
                    MediaPlayer().setVolume(36);
                    break;
                case AudioManager.AUDIOFOCUS_GAIN:
                case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
                case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK:
                    MediaPlayer().setVolume(100);
                    break;
                }
            }
        };
    }

    AudioManager am = (AudioManager) VLCApplication.getAppContext().getSystemService(AUDIO_SERVICE);
    if (gain)
        am.requestAudioFocus(audioFocusListener, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
    else
        am.abandonAudioFocus(audioFocusListener);

}

From source file:com.dzt.musicplay.player.AudioService.java

@TargetApi(Build.VERSION_CODES.FROYO)
private void changeAudioFocus(boolean gain) {
    if (!LibVlcUtil.isFroyoOrLater()) // NOP if not supported
        return;/*from  w w w .j  a  v  a  2  s . c o m*/

    if (audioFocusListener == null) {
        audioFocusListener = new OnAudioFocusChangeListener() {
            @Override
            public void onAudioFocusChange(int focusChange) {
                LibVLC libVLC = LibVLC.getExistingInstance();
                switch (focusChange) {
                case AudioManager.AUDIOFOCUS_LOSS:
                    if (libVLC.isPlaying())
                        libVLC.pause();
                    break;
                case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
                case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
                    /*
                     * Lower the volume to 36% to "duck" when an alert or
                     * something needs to be played.
                     */
                    libVLC.setVolume(36);
                    break;
                case AudioManager.AUDIOFOCUS_GAIN:
                case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
                case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK:
                    libVLC.setVolume(100);
                    break;
                }
            }
        };
    }

    AudioManager am = (AudioManager) getSystemService(AUDIO_SERVICE);
    if (gain)
        am.requestAudioFocus(audioFocusListener, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
    else
        am.abandonAudioFocus(audioFocusListener);

}

From source file:com.hotstar.player.adplayer.player.PlayerFragment.java

private void requestAudioFocus() {
    AudioManager am = (AudioManager) getActivity().getSystemService(Context.AUDIO_SERVICE);

    // Request audio focus for playback
    int result = am.requestAudioFocus(null,
            // Use the music stream.
            AudioManager.STREAM_MUSIC,//from  www  .jav a2s. c  om
            // Request permanent focus.
            AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK);

    if (result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
        AdVideoApplication.logger.i(LOG_TAG + "#requestAudioFocus()", "Gained audio focus.");
    }
}

From source file:com.ferdi2005.secondgram.voip.VoIPService.java

private void configureDeviceForCall() {
    needPlayEndSound = true;/*from www .  j a va  2  s.c o m*/
    AudioManager am = (AudioManager) getSystemService(AUDIO_SERVICE);
    am.setMode(AudioManager.MODE_IN_COMMUNICATION);
    am.setSpeakerphoneOn(false);
    am.requestAudioFocus(this, AudioManager.STREAM_VOICE_CALL, AudioManager.AUDIOFOCUS_GAIN);

    SensorManager sm = (SensorManager) getSystemService(SENSOR_SERVICE);
    Sensor proximity = sm.getDefaultSensor(Sensor.TYPE_PROXIMITY);
    try {
        if (proximity != null) {
            proximityWakelock = ((PowerManager) getSystemService(Context.POWER_SERVICE))
                    .newWakeLock(PROXIMITY_SCREEN_OFF_WAKE_LOCK, "telegram-voip-prx");
            sm.registerListener(this, proximity, SensorManager.SENSOR_DELAY_NORMAL);
        }
    } catch (Exception x) {
        FileLog.e("Error initializing proximity sensor", x);
    }
}