Example usage for android.media AudioManager registerMediaButtonEventReceiver

Introduction

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

Prototype

@Deprecated
public void registerMediaButtonEventReceiver(PendingIntent eventReceiver) 

Source Link

Document

Register a component to be the sole receiver of MEDIA_BUTTON intents.

Usage

From source file:com.fastbootmobile.encore.service.PlaybackService.java

/**
 * Request the audio focus and registers the remote media controller
 *//* www  .  j a v  a2s .  c o  m*/
private synchronized void requestAudioFocus() {
    if (!mHasAudioFocus) {
        final AudioManager am = (AudioManager) getSystemService(Context.AUDIO_SERVICE);

        // Request audio focus for music playback
        int result = am.requestAudioFocus(this, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);

        if (result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
            am.registerMediaButtonEventReceiver(RemoteControlReceiver.getComponentName(this));

            // Notify the remote metadata that we're getting active
            mRemoteMetadata.setActive(true);

            // Register AUDIO_BECOMING_NOISY to stop playback when earbuds are pulled
            registerReceiver(mAudioNoisyReceiver, new IntentFilter(AudioManager.ACTION_AUDIO_BECOMING_NOISY));

            // Add a WakeLock to avoid CPU going to sleep while music is playing
            mWakeLock.acquire();

            mHasAudioFocus = true;
        } else {
            Log.e(TAG, "Audio focus request denied: " + result);
        }
    }
}

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

@Override
public void onCreate() {
    super.onCreate();
    FileLog.d("=============== VoIPService STARTING ===============");
    AudioManager am = (AudioManager) getSystemService(AUDIO_SERVICE);
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR1
            && am.getProperty(AudioManager.PROPERTY_OUTPUT_FRAMES_PER_BUFFER) != null) {
        int outFramesPerBuffer = Integer
                .parseInt(am.getProperty(AudioManager.PROPERTY_OUTPUT_FRAMES_PER_BUFFER));
        VoIPController.setNativeBufferSize(outFramesPerBuffer);
    } else {//from w w w .j  ava2  s  .co  m
        VoIPController.setNativeBufferSize(
                AudioTrack.getMinBufferSize(48000, AudioFormat.CHANNEL_OUT_MONO, AudioFormat.ENCODING_PCM_16BIT)
                        / 2);
    }
    final SharedPreferences preferences = getSharedPreferences("mainconfig", MODE_PRIVATE);
    VoIPServerConfig.setConfig(preferences.getString("voip_server_config", "{}"));
    if (System.currentTimeMillis() - preferences.getLong("voip_server_config_updated", 0) > 24 * 3600000) {
        ConnectionsManager.getInstance().sendRequest(new TLRPC.TL_phone_getCallConfig(), new RequestDelegate() {
            @Override
            public void run(TLObject response, TLRPC.TL_error error) {
                if (error == null) {
                    String data = ((TLRPC.TL_dataJSON) response).data;
                    VoIPServerConfig.setConfig(data);
                    preferences.edit().putString("voip_server_config", data)
                            .putLong("voip_server_config_updated",
                                    BuildConfig.DEBUG ? 0 : System.currentTimeMillis())
                            .apply();
                }
            }
        });
    }
    try {
        controller = new VoIPController();
        controller.setConnectionStateListener(this);
        controller.setConfig(MessagesController.getInstance().callPacketTimeout / 1000.0,
                MessagesController.getInstance().callConnectTimeout / 1000.0,
                preferences.getInt("VoipDataSaving", VoIPController.DATA_SAVING_NEVER));

        cpuWakelock = ((PowerManager) getSystemService(POWER_SERVICE))
                .newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "telegram-voip");
        cpuWakelock.acquire();

        btAdapter = am.isBluetoothScoAvailableOffCall() ? BluetoothAdapter.getDefaultAdapter() : null;

        IntentFilter filter = new IntentFilter();
        filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
        filter.addAction(ACTION_HEADSET_PLUG);
        if (btAdapter != null) {
            filter.addAction(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED);
            filter.addAction(AudioManager.ACTION_SCO_AUDIO_STATE_UPDATED);
        }
        filter.addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED);
        filter.addAction(getPackageName() + ".END_CALL");
        filter.addAction(getPackageName() + ".DECLINE_CALL");
        filter.addAction(getPackageName() + ".ANSWER_CALL");
        registerReceiver(receiver, filter);

        ConnectionsManager.getInstance().setAppPaused(false, false);

        soundPool = new SoundPool(1, AudioManager.STREAM_VOICE_CALL, 0);
        spConnectingId = soundPool.load(this, R.raw.voip_connecting, 1);
        spRingbackID = soundPool.load(this, R.raw.voip_ringback, 1);
        spFailedID = soundPool.load(this, R.raw.voip_failed, 1);
        spEndId = soundPool.load(this, R.raw.voip_end, 1);
        spBusyId = soundPool.load(this, R.raw.voip_busy, 1);

        am.registerMediaButtonEventReceiver(new ComponentName(this, VoIPMediaButtonReceiver.class));

        if (btAdapter != null && btAdapter.isEnabled()) {
            int headsetState = btAdapter.getProfileConnectionState(BluetoothProfile.HEADSET);
            updateBluetoothHeadsetState(headsetState == BluetoothProfile.STATE_CONNECTED);
            if (headsetState == BluetoothProfile.STATE_CONNECTED)
                am.setBluetoothScoOn(true);
            for (StateListener l : stateListeners)
                l.onAudioSettingsChanged();
        }

        NotificationCenter.getInstance().addObserver(this, NotificationCenter.appDidLogout);
    } catch (Exception x) {
        FileLog.e("error initializing voip controller", x);
        callFailed();
    }
}

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