android: add registerTrack methods for 3rd party track registration

android/src/main/java/com/oney/WebRTCModule/GetUserMediaImpl.java

@@ -469,6 +469,15 @@ void setVideoEffects(String trackId, ReadableArray names) {
         }
     }
 
+    void registerTrack(AudioTrack track, AudioSource source) {
+        tracks.put(track.id(), new TrackPrivate(track, source, null, null));
+    }
+
+    void registerTrack(VideoTrack track, VideoSource source, AbstractVideoCaptureController controller,
+            SurfaceTextureHelper surfaceTextureHelper) {
+        tracks.put(track.id(), new TrackPrivate(track, source, controller, surfaceTextureHelper));
+    }
+
     /**
      * Application/library-specific private members of local
      * {@code MediaStreamTrack}s created by {@code GetUserMediaImpl}.

android/src/main/java/com/oney/WebRTCModule/WebRTCModule.java

@@ -477,6 +477,15 @@ public VideoTrack createVideoTrack(AbstractVideoCaptureController videoCaptureCo
         return getUserMediaImpl.createVideoTrack(videoCaptureController);
     }
 
+    public void registerTrack(AudioTrack track, AudioSource source) {
+        getUserMediaImpl.registerTrack(track, source);
+    }
+
+    public void registerTrack(VideoTrack track, VideoSource source, AbstractVideoCaptureController controller,
+            SurfaceTextureHelper surfaceTextureHelper) {
+        getUserMediaImpl.registerTrack(track, source, controller, surfaceTextureHelper);
+    }
+
     public void createStream(
             MediaStreamTrack[] tracks, GetUserMediaImpl.BiConsumer<String, ArrayList<WritableMap>> successCallback) {
         getUserMediaImpl.createStream(tracks, successCallback);

examples/GumTestApp/ios/GumTestApp/AppDelegate.m

@@ -1,7 +1,7 @@
 #import "AppDelegate.h"
 
 #import <React/RCTBundleURLProvider.h>
-
+#import "WebRTCModuleOptions.h"
 @implementation AppDelegate
 
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
@@ -10,6 +10,9 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
   // You can add your custom initial props in the dictionary below.
   // They will be passed down to the ViewController used by React Native.
   self.initialProps = @{};
+
+  WebRTCModuleOptions* options = [WebRTCModuleOptions sharedInstance];
+  options.enableMultitaskingCameraAccess = true;
 
   return [super application:application didFinishLaunchingWithOptions:launchOptions];
 }

examples/GumTestApp/ios/GumTestApp/Info.plist

@@ -46,6 +46,7 @@
 	<key>UIBackgroundModes</key>
 	<array>
 		<string>audio</string>
+		<string>voip</string>
 	</array>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>