Add speakerphone support for Android

wbarnard · wbarnard · commit 571594a10067 · 2019-06-04T19:50:58.000+08:00
diff --git a/android/src/main/java/com/cloudwebrtc/webrtc/FlutterWebRTCPlugin.java b/android/src/main/java/com/cloudwebrtc/webrtc/FlutterWebRTCPlugin.java
@@ -4,6 +4,7 @@
 import android.content.Context;
 import android.hardware.Camera;
 import android.graphics.SurfaceTexture;
+import android.media.AudioManager;
 import android.util.Log;
 import android.util.LongSparseArray;
 
@@ -308,6 +309,11 @@ public void onMethodCall(MethodCall call, Result notSafeResult) {
             boolean mute = call.argument("mute");
             mediaStreamTrackSetMicrophoneMute(trackId, mute);
             result.success(null);
+        } else if (call.method.equals("enableSpeakerphone")) {
+            String trackId = call.argument("trackId");
+            boolean enable = call.argument("enable");
+            mediaStreamTrackEnableSpeakerphone(trackId, enable);
+            result.success(null);
         } else if(call.method.equals("getDisplayMedia")) {
             Map<String, Object> constraints = call.argument("constraints");
             ConstraintsMap constraintsMap = new ConstraintsMap(constraints);
@@ -902,6 +908,16 @@ public void mediaStreamTrackSetMicrophoneMute(final String id, boolean mute) {
         }
     }
 
+    public void mediaStreamTrackEnableSpeakerphone(final String id, boolean enabled) {
+        AudioManager audioManager = (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE);
+
+        try {
+            audioManager.setSpeakerphoneOn(enabled);
+        } catch (Exception e) {
+            Log.e(TAG, "setSpeakerphoneOn(): error", e);
+        }
+    }
+
     public void mediaStreamTrackRelease(final String streamId, final String _trackId) {
         MediaStream stream = localStreams.get(streamId);
         if (stream == null) {
diff --git a/lib/media_stream_track.dart b/lib/media_stream_track.dart
@@ -46,6 +46,14 @@ class MediaStreamTrack {
     );
   }
 
+  void enableSpeakerphone(bool enable) async {
+    print('MediaStreamTrack:enableSpeakerphone $enable');
+    await _channel.invokeMethod(
+      'enableSpeakerphone',
+      <String, dynamic>{'trackId': _trackId, 'enable': enable},
+    );
+  }
+
   captureFrame(String filePath) =>
     _channel.invokeMethod(
       'captureFrame',
