[RN] Implement AudioMode module on Android
This module chooses the most appropriate audio default based on the specified mode.
This commit is contained in:
Saúl Ibarra Corretgé
Lyubomir Marinov
parent
113e50c074
commit
2edaaac7bf
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@ -3,9 +3,12 @@
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android:versionCode="1"
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android:versionCode="1"
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android:versionName="1.0">
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android:versionName="1.0">
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<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /><!-- WebRTC -->
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<!-- XXX: ACCESS_NETWORK_STATE is needed by react-native-webrtc -->
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<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
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<uses-permission android:name="android.permission.BLUETOOTH" />
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<uses-permission android:name="android.permission.CAMERA" />
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<uses-permission android:name="android.permission.CAMERA" />
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<uses-permission android:name="android.permission.INTERNET" />
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<uses-permission android:name="android.permission.INTERNET" />
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<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
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<uses-permission android:name="android.permission.RECORD_AUDIO" />
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<uses-permission android:name="android.permission.RECORD_AUDIO" />
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<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
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<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
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@ -29,7 +29,8 @@ public class MainApplication extends Application implements ReactApplication {
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new com.corbt.keepawake.KCKeepAwakePackage(),
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new com.corbt.keepawake.KCKeepAwakePackage(),
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new com.facebook.react.shell.MainReactPackage(),
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new com.facebook.react.shell.MainReactPackage(),
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new com.oblador.vectoricons.VectorIconsPackage(),
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new com.oblador.vectoricons.VectorIconsPackage(),
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new com.oney.WebRTCModule.WebRTCModulePackage()
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new com.oney.WebRTCModule.WebRTCModulePackage(),
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new org.jitsi.meet.audiomode.AudioModePackage()
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);
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);
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}
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}
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};
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};
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@ -0,0 +1,305 @@
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package org.jitsi.meet.audiomode;
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import android.annotation.TargetApi;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.media.AudioDeviceInfo;
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import android.media.AudioManager;
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import android.os.Build;
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import android.os.Handler;
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import android.os.Looper;
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import android.util.Log;
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import com.facebook.react.bridge.Promise;
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import com.facebook.react.bridge.ReactApplicationContext;
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import com.facebook.react.bridge.ReactContext;
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import com.facebook.react.bridge.ReactContextBaseJavaModule;
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import com.facebook.react.bridge.ReactMethod;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* Module implementing a simple API to select the appropriate audio device for a conference call.
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*
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* Audio calls should use <tt>AudioModeModule.AUDIO_CALL</tt>, which uses the builtin earpiece,
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* wired headset or bluetooth headset. The builtin earpiece is the default audio device.
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*
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* Video calls should should use <tt>AudioModeModule.VIDEO_CALL</tt>, which uses the builtin
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* speaker, earpiece, wired headset or bluetooth headset. The builtin speaker is the default
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* audio device.
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*
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* Before a call has started and after it has ended the <tt>AudioModeModule.DEFAULT</tt> mode
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* should be used.
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*/
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public class AudioModeModule extends ReactContextBaseJavaModule {
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/**
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* Constants representing the audio mode.
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* - DEFAULT: Used before and after every call. It represents the default audio routing scheme.
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* - AUDIO_CALL: Used for audio only calls. It will use the earpiece by default, unless a
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* wired or Bluetooth headset is connected.
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* - VIDEO_CALL: Used for video calls. It will use the speaker by default, unless a wired or
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* Bluetooth headset is connected.
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*/
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private static final int DEFAULT = 0;
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private static final int AUDIO_CALL = 1;
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private static final int VIDEO_CALL = 2;
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/**
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* React Native module name.
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*/
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private static final String MODULE_NAME = "AudioMode";
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/**
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* Tag used when logging messages.
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*/
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static final String TAG = MODULE_NAME;
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/**
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* Audio mode currently in use.
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*/
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private int mode = -1;
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/**
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* {@link AudioManager} instance used to interact with the Android audio subsystem.
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*/
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private final AudioManager audioManager;
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/**
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* {@link Handler} for running all operations on the main thread.
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*/
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private final Handler mainThreadHandler;
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/**
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* {@link Runnable} for running update operation on the main thread.
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*/
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private final Runnable mainThreadRunner;
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/**
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* {@link BluetoothHeadsetMonitor} for detecting Bluetooth device changes in old (< M)
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* Android versions.
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*/
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private BluetoothHeadsetMonitor bluetoothHeadsetMonitor;
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/**
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*
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*/
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private static final String ACTION_HEADSET_PLUG = (android.os.Build.VERSION.SDK_INT >= 21) ?
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AudioManager.ACTION_HEADSET_PLUG : Intent.ACTION_HEADSET_PLUG;
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/**
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* Initializes a new module instance. There shall be a single instance of this module throughout
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* the lifetime of the application.
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*
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* @param reactContext the {@link ReactApplicationContext} where this module is created.
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*/
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public AudioModeModule(ReactApplicationContext reactContext) {
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super(reactContext);
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audioManager = ((AudioManager) reactContext.getSystemService(Context.AUDIO_SERVICE));
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mainThreadHandler = new Handler(Looper.getMainLooper());
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mainThreadRunner = new Runnable() {
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@Override
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public void run() {
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if (mode != -1) {
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updateAudioRoute(mode);
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}
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}
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};
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// Setup runtime device change detection
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setupAudioRouteChangeDetection();
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}
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/**
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* Gets the name for this module, to be used in the React Native bridge.
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*
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* @return a string with the module name.
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*/
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@Override
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public String getName() {
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return MODULE_NAME;
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}
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/**
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* Gets a mapping with the constants this module is exporting.
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*
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* @return a {@link Map} mapping the constants to be exported with their values.
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*/
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@Override
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public Map<String, Object> getConstants() {
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Map<String, Object> constants = new HashMap<>();
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constants.put("DEFAULT", DEFAULT);
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constants.put("AUDIO_CALL", AUDIO_CALL);
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constants.put("VIDEO_CALL", VIDEO_CALL);
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return constants;
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}
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/**
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* Updates the audio route for the given mode.
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*
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* @param mode the audio mode to be used when computing the audio route.
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* @return true if the audio route was updated successfully, false otherwise.
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*/
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private boolean updateAudioRoute(int mode) {
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Log.d(TAG, "Update audio route for mode: " + mode);
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if (mode == DEFAULT) {
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audioManager.setMode(AudioManager.MODE_NORMAL);
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audioManager.abandonAudioFocus(null);
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audioManager.setSpeakerphoneOn(false);
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audioManager.setMicrophoneMute(true);
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setBluetoothAudioRoute(false);
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return true;
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}
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audioManager.setMode(AudioManager.MODE_IN_COMMUNICATION);
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audioManager.setMicrophoneMute(false);
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if (audioManager.requestAudioFocus(
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null,
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AudioManager.STREAM_VOICE_CALL,
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AudioManager.AUDIOFOCUS_GAIN)
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== AudioManager.AUDIOFOCUS_REQUEST_FAILED) {
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Log.d(TAG, "Audio focus request failed");
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return false;
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}
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boolean useSpeaker = (mode == VIDEO_CALL);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
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// On Android >= M we use the AudioDeviceCallback API, so turn on Bluetooth SCO
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// from the start.
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if (audioManager.isBluetoothScoAvailableOffCall()) {
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audioManager.startBluetoothSco();
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}
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} else {
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// On older Android versions we must set the Bluetooth route manually. Also disable
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// the speaker in that case.
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setBluetoothAudioRoute(bluetoothHeadsetMonitor.isHeadsetAvailable());
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if (bluetoothHeadsetMonitor.isHeadsetAvailable()) {
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useSpeaker = false;
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}
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}
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// XXX: isWiredHeadsetOn is not deprecated when used just for knowing if there is a wired
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// headset connected, regardless of audio being routed to it.
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audioManager.setSpeakerphoneOn(useSpeaker &&
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!(audioManager.isWiredHeadsetOn() || audioManager.isBluetoothScoOn()));
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return true;
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}
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/**
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* Public method to set the current audio mode.
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*
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* @param mode the desired audio mode.
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* @param promise a {@link Promise} which will be resolved if the audio mode could be updated
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* successfully, and it will be rejected otherwise.
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*/
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@ReactMethod
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public void setMode(final int mode, final Promise promise) {
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if (mode != DEFAULT && mode != AUDIO_CALL && mode != VIDEO_CALL) {
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promise.reject("setMode", "Invalid audio mode " + mode);
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return;
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}
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Runnable r = new Runnable() {
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@Override
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public void run() {
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if (updateAudioRoute(mode)) {
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AudioModeModule.this.mode = mode;
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promise.resolve(null);
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} else {
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promise.reject("setMode", "Failed to set the requested audio mode");
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}
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}
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};
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mainThreadHandler.post(r);
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}
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/**
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* Setup the audio route change detection mechanism. We use the
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* {@link android.media.AudioDeviceCallback} API on Android >= 23 only.
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*/
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private void setupAudioRouteChangeDetection() {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
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setupAudioRouteChangeDetectionM();
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} else {
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setupAudioRouteChangeDetectionOld();
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}
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}
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/**
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* Audio route change detection mechanism for Android API >= 23.
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*/
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@TargetApi(Build.VERSION_CODES.M)
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private void setupAudioRouteChangeDetectionM() {
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android.media.AudioDeviceCallback audioDeviceCallback =
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new android.media.AudioDeviceCallback() {
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@Override
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public void onAudioDevicesAdded(AudioDeviceInfo[] addedDevices) {
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Log.d(TAG, "Audio devices added");
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onAudioDeviceChange();
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}
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@Override
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public void onAudioDevicesRemoved(AudioDeviceInfo[] removedDevices) {
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Log.d(TAG, "Audio devices removed");
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onAudioDeviceChange();
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}
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};
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audioManager.registerAudioDeviceCallback(audioDeviceCallback, null);
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}
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/**
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* Audio route change detection mechanism for Android API < 23.
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*/
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private void setupAudioRouteChangeDetectionOld() {
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ReactContext reactContext = getReactApplicationContext();
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// Detect changes in wired headset connections
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IntentFilter wiredHeadSetFilter = new IntentFilter(ACTION_HEADSET_PLUG);
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BroadcastReceiver wiredHeadsetReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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Log.d(TAG, "Wired headset added / removed");
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onAudioDeviceChange();
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}
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};
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reactContext.registerReceiver(wiredHeadsetReceiver, wiredHeadSetFilter);
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// Detect Bluetooth device changes
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bluetoothHeadsetMonitor =
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new BluetoothHeadsetMonitor(this, this.getReactApplicationContext());
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bluetoothHeadsetMonitor.start();
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}
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/**
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* Helper method to set the output route to a Bluetooth device.
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* @param enabled true if Bluetooth should use used, false otherwise.
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*/
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private void setBluetoothAudioRoute(boolean enabled) {
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if (enabled) {
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audioManager.startBluetoothSco();
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audioManager.setBluetoothScoOn(true);
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} else {
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audioManager.setBluetoothScoOn(false);
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audioManager.stopBluetoothSco();
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}
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}
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/**
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* Helper method to trigger an audio route update when devices change. It makes sure the
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* operation is performed on the main thread.
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*/
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void onAudioDeviceChange() {
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mainThreadHandler.post(mainThreadRunner);
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}
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}
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@ -0,0 +1,41 @@
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package org.jitsi.meet.audiomode;
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import com.facebook.react.ReactPackage;
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import com.facebook.react.bridge.JavaScriptModule;
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import com.facebook.react.bridge.NativeModule;
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import com.facebook.react.bridge.ReactApplicationContext;
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import com.facebook.react.uimanager.ViewManager;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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public class AudioModePackage implements ReactPackage {
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/**
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* {@inheritDoc}
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* @return List of native modules to be exposed by React Native.
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*/
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@Override
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public List<NativeModule> createNativeModules(
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ReactApplicationContext reactContext) {
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List<NativeModule> modules = new ArrayList<>();
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modules.add(new AudioModeModule(reactContext));
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return modules;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public List<Class<? extends JavaScriptModule>> createJSModules() {
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return Collections.emptyList();
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
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return Collections.emptyList();
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}
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}
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@ -0,0 +1,192 @@
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package org.jitsi.meet.audiomode;
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import android.bluetooth.BluetoothAdapter;
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import android.bluetooth.BluetoothDevice;
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import android.bluetooth.BluetoothHeadset;
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import android.bluetooth.BluetoothProfile;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.media.AudioManager;
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import android.os.Handler;
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import android.os.Looper;
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import android.util.Log;
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import com.facebook.react.bridge.ReactContext;
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import java.util.List;
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/**
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* Helper class to detect and handle Bluetooth device changes. It monitors Bluetooth headsets
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||||||
|
* being connected / disconnected and notifies the module about device changes when this occurs.
|
||||||
|
*/
|
||||||
|
public class BluetoothHeadsetMonitor {
|
||||||
|
/**
|
||||||
|
* {@link AudioModeModule} where this monitor reports.
|
||||||
|
*/
|
||||||
|
private final AudioModeModule AudioModeModule;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* {@link AudioManager} instance used to interact with the Android audio subsystem.
|
||||||
|
*/
|
||||||
|
private final AudioManager audioManager;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* {@link ReactContext} instance where the main module runs.
|
||||||
|
*/
|
||||||
|
private final ReactContext reactContext;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Reference to the Bluetooth adapter, needed for managing <tt>BluetoothProfile.HEADSET</tt>
|
||||||
|
* devices.
|
||||||
|
*/
|
||||||
|
private BluetoothAdapter bluetoothAdapter;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Reference to a proxy object which allows us to query connected devices.
|
||||||
|
*/
|
||||||
|
private BluetoothHeadset bluetoothHeadset;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Listener for Bluetooth service profiles, allows us to get the proxy object to
|
||||||
|
* {@link BluetoothHeadset}.
|
||||||
|
*/
|
||||||
|
private BluetoothProfile.ServiceListener bluetoothProfileListener;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* {@link Handler} for running all operations on the main thread.
|
||||||
|
*/
|
||||||
|
private final Handler mainThreadHandler;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Helper for running Bluetooth operations on the main thread.
|
||||||
|
*/
|
||||||
|
private Runnable bluetoothRunnable;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Flag indicating if there are any Bluetooth headset devices currently available.
|
||||||
|
*/
|
||||||
|
private boolean headsetAvailable = false;
|
||||||
|
|
||||||
|
public BluetoothHeadsetMonitor(AudioModeModule audioModeModule, ReactContext reactContext) {
|
||||||
|
this.AudioModeModule = audioModeModule;
|
||||||
|
this.reactContext = reactContext;
|
||||||
|
|
||||||
|
audioManager = ((AudioManager) reactContext.getSystemService(Context.AUDIO_SERVICE));
|
||||||
|
bluetoothAdapter = null;
|
||||||
|
bluetoothHeadset = null;
|
||||||
|
bluetoothProfileListener = null;
|
||||||
|
mainThreadHandler = new Handler(Looper.getMainLooper());
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Start monitoring Bluetooth device activity.
|
||||||
|
*/
|
||||||
|
public void start() {
|
||||||
|
bluetoothRunnable = new Runnable() {
|
||||||
|
@Override
|
||||||
|
public void run() {
|
||||||
|
if (bluetoothHeadset == null) {
|
||||||
|
headsetAvailable = false;
|
||||||
|
} else {
|
||||||
|
List<BluetoothDevice> devices = bluetoothHeadset.getConnectedDevices();
|
||||||
|
headsetAvailable = !devices.isEmpty();
|
||||||
|
}
|
||||||
|
BluetoothHeadsetMonitor.this.AudioModeModule.onAudioDeviceChange();
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
|
||||||
|
if (bluetoothAdapter == null) {
|
||||||
|
Log.w(AudioModeModule.TAG, "Device doesn't support Bluetooth");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!audioManager.isBluetoothScoAvailableOffCall()) {
|
||||||
|
Log.w(AudioModeModule.TAG, "Bluetooth SCO is not available");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
// XXX: The profile listener listens for system services of the given type being available
|
||||||
|
// to the application. That is, if our Bluetooth adapter has the "headset" profile.
|
||||||
|
bluetoothProfileListener = new BluetoothProfile.ServiceListener() {
|
||||||
|
@Override
|
||||||
|
public void onServiceConnected(int profile, BluetoothProfile proxy) {
|
||||||
|
if (profile == BluetoothProfile.HEADSET) {
|
||||||
|
bluetoothHeadset = (BluetoothHeadset) proxy;
|
||||||
|
updateDevices();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void onServiceDisconnected(int profile) {
|
||||||
|
if (profile == BluetoothProfile.HEADSET) {
|
||||||
|
bluetoothHeadset = null;
|
||||||
|
updateDevices();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
bluetoothAdapter.getProfileProxy(reactContext,
|
||||||
|
bluetoothProfileListener, BluetoothProfile.HEADSET);
|
||||||
|
|
||||||
|
IntentFilter bluetoothFilter = new IntentFilter();
|
||||||
|
bluetoothFilter.addAction(AudioManager.ACTION_SCO_AUDIO_STATE_UPDATED);
|
||||||
|
bluetoothFilter.addAction(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED);
|
||||||
|
BroadcastReceiver bluetoothReceiver = new BroadcastReceiver() {
|
||||||
|
@Override
|
||||||
|
public void onReceive(Context context, Intent intent) {
|
||||||
|
final String action = intent.getAction();
|
||||||
|
if (action.equals(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED)) {
|
||||||
|
// XXX: This action will be fired when a Bluetooth headset is connected or
|
||||||
|
// disconnected to the system. This is not related to audio routing.
|
||||||
|
final int state = intent.getIntExtra(BluetoothHeadset.EXTRA_STATE, -99);
|
||||||
|
switch (state) {
|
||||||
|
case BluetoothHeadset.STATE_CONNECTED:
|
||||||
|
case BluetoothHeadset.STATE_DISCONNECTED:
|
||||||
|
Log.d(AudioModeModule.TAG, "BT headset connection state changed: " + state);
|
||||||
|
updateDevices();
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
} else if (action.equals(AudioManager.ACTION_SCO_AUDIO_STATE_UPDATED)) {
|
||||||
|
// XXX: This action will be fired when the connection established with a
|
||||||
|
// Bluetooth headset (called a SCO connection) changes state. When the SCO
|
||||||
|
// connection is active we route audio to it.
|
||||||
|
final int state = intent.getIntExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, -99);
|
||||||
|
switch (state) {
|
||||||
|
case AudioManager.SCO_AUDIO_STATE_CONNECTED:
|
||||||
|
case AudioManager.SCO_AUDIO_STATE_DISCONNECTED:
|
||||||
|
Log.d(AudioModeModule.TAG, "BT SCO connection state changed: " + state);
|
||||||
|
updateDevices();
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
reactContext.registerReceiver(bluetoothReceiver, bluetoothFilter);
|
||||||
|
|
||||||
|
// Initial detection
|
||||||
|
updateDevices();
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Detect if there are new devices connected / disconnected and fires the
|
||||||
|
* <tt>onAudioDeviceChange</tt> callback.
|
||||||
|
*/
|
||||||
|
private void updateDevices() {
|
||||||
|
mainThreadHandler.post(bluetoothRunnable);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the current headset availability.
|
||||||
|
* @return true if there is a Bluetooth headset connected, false otherwise.
|
||||||
|
*/
|
||||||
|
public boolean isHeadsetAvailable() {
|
||||||
|
return headsetAvailable;
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue