/** Called each time a new audio device has been added or removed. */ private void onAudioManagerChangedState() { Log.d( TAG, "onAudioManagerChangedState: devices=" + audioDevices + ", selected=" + selectedAudioDevice); // Enable the proximity sensor if there are two available audio devices // in the list. Given the current implementation, we know that the choice // will then be between EARPIECE and SPEAKER_PHONE. if (audioDevices.size() == 2) { AppRTCUtils.assertIsTrue( audioDevices.contains(AudioDevice.EARPIECE) && audioDevices.contains(AudioDevice.SPEAKER_PHONE)); // Start the proximity sensor. proximitySensor.start(); } else if (audioDevices.size() == 1) { // Stop the proximity sensor since it is no longer needed. proximitySensor.stop(); } else { Log.e(TAG, "Invalid device list"); } if (onStateChangeListener != null) { // Run callback to notify a listening client. The client can then // use public getters to query the new state. onStateChangeListener.run(); } }
private AppRTCAudioManager(Context context, Runnable deviceStateChangeListener) { apprtcContext = context; onStateChangeListener = deviceStateChangeListener; audioManager = ((AudioManager) context.getSystemService(Context.AUDIO_SERVICE)); // Create and initialize the proximity sensor. // Tablet devices (e.g. Nexus 7) does not support proximity sensors. // Note that, the sensor will not be active until start() has been called. proximitySensor = AppRTCProximitySensor.create( context, new Runnable() { // This method will be called each time a state change is detected. // Example: user holds his hand over the device (closer than ~5 cm), // or removes his hand from the device. public void run() { onProximitySensorChangedState(); } }); AppRTCUtils.logDeviceInfo(TAG); }
/** Changes selection of the currently active audio device. */ public void setAudioDevice(AudioDevice device) { Log.d(TAG, "setAudioDevice(device=" + device + ")"); AppRTCUtils.assertIsTrue(audioDevices.contains(device)); switch (device) { case SPEAKER_PHONE: setSpeakerphoneOn(true); selectedAudioDevice = AudioDevice.SPEAKER_PHONE; break; case EARPIECE: setSpeakerphoneOn(false); selectedAudioDevice = AudioDevice.EARPIECE; break; case WIRED_HEADSET: setSpeakerphoneOn(false); selectedAudioDevice = AudioDevice.WIRED_HEADSET; break; default: Log.e(TAG, "Invalid audio device selection"); break; } onAudioManagerChangedState(); }