コード例 #1
0
  /** 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();
    }
  }
コード例 #2
0
  public void close() {
    Log.d(TAG, "close");
    if (!initialized) {
      return;
    }

    unregisterForWiredHeadsetIntentBroadcast();

    // Restore previously stored audio states.
    setSpeakerphoneOn(savedIsSpeakerPhoneOn);
    setMicrophoneMute(savedIsMicrophoneMute);
    audioManager.setMode(savedAudioMode);
    audioManager.abandonAudioFocus(null);

    if (proximitySensor != null) {
      proximitySensor.stop();
      proximitySensor = null;
    }

    initialized = false;
  }