flutter-webrtc
diff --git a/‎android/src/main/java/com/cloudwebrtc/webrtc/GetUserMediaImpl.java
Lines changed: 10 additions & 0 deletions b/‎android/src/main/java/com/cloudwebrtc/webrtc/GetUserMediaImpl.java
Lines changed: 10 additions & 0 deletions
diff --git a/‎android/src/main/java/com/cloudwebrtc/webrtc/MethodCallHandlerImpl.java
Lines changed: 35 additions & 6 deletions b/‎android/src/main/java/com/cloudwebrtc/webrtc/MethodCallHandlerImpl.java
Lines changed: 35 additions & 6 deletions
@@ -16,6 +16,7 @@
 import android.hardware.camera2.CameraDevice;
 import android.hardware.camera2.CameraManager;
 import android.hardware.camera2.CaptureRequest;
+import android.media.AudioDeviceInfo;
 import android.media.projection.MediaProjection;
 import android.media.projection.MediaProjectionManager;
 import android.os.Build;
@@ -1062,4 +1063,13 @@ public class VideoCapturerInfo {
         int fps;
         boolean isScreenCapture = false;
     }
+
+    @RequiresApi(api = VERSION_CODES.M)
+    void setPreferredInputDevice(int i){
+        android.media.AudioManager audioManager = ((android.media.AudioManager) applicationContext.getSystemService(Context.AUDIO_SERVICE));
+        final AudioDeviceInfo[] devices = audioManager.getDevices(android.media.AudioManager.GET_DEVICES_INPUTS);
+        if (devices.length>i){
+            audioDeviceModule.setPreferredInputDevice(devices[i]);
+        }
+    }
 }
@@ -9,6 +9,7 @@
 import android.graphics.SurfaceTexture;
 import android.hardware.Camera;
 import android.hardware.Camera.CameraInfo;
+import android.media.AudioDeviceInfo;
 import android.os.Build;
 import android.util.Log;
 import android.util.LongSparseArray;
@@ -673,6 +674,16 @@ public void onMethodCall(MethodCall call, @NonNull Result notSafeResult) {
         getTransceivers(peerConnectionId, result);
         break;
       }
+      case "setPreferredInputDevice": {
+        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP_MR1) {
+          String deviceId = call.argument("deviceId");
+          getUserMediaImpl.setPreferredInputDevice(Integer.parseInt(deviceId));
+          result.success(null);
+        } else {
+          result.notImplemented();
+        }
+        break;
+      }
       default:
         result.notImplemented();
         break;
@@ -1124,12 +1135,30 @@ public void getSources(Result result) {
       }
     }
 
-    ConstraintsMap audio = new ConstraintsMap();
-    audio.putString("label", "Audio");
-    audio.putString("deviceId", "audio-1");
-    audio.putString("facing", "");
-    audio.putString("kind", "audioinput");
-    array.pushMap(audio);
+    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
+      ConstraintsMap audio = new ConstraintsMap();
+      audio.putString("label", "Audio");
+      audio.putString("deviceId", "audio-1");
+      audio.putString("facing", "");
+      audio.putString("kind", "audioinput");
+    } else {
+      android.media.AudioManager audioManager = ((android.media.AudioManager) context.getSystemService(Context.AUDIO_SERVICE));
+      final AudioDeviceInfo[] devices = audioManager.getDevices(android.media.AudioManager.GET_DEVICES_INPUTS);
+      for (int i=0;i<devices.length;i++) {
+        AudioDeviceInfo device=devices[i];
+        int type = (device.getType() & 0xFF);
+        String label=Build.VERSION.SDK_INT < Build.VERSION_CODES.P ? String.valueOf(i) : device.getAddress();
+        ConstraintsMap audio = new ConstraintsMap();
+        audio.putString("label", label);
+        audio.putString("deviceId", String.valueOf(i));
+        audio.putString("groupId", ""+type);
+        audio.putString("facing", "");
+        audio.putString("kind", "audioinput");
+        array.pushMap(audio);
+      }
+    }
+
 
     ConstraintsMap map = new ConstraintsMap();
     map.putArray("sources", array.toArrayList());