Step-1: SurfaceViewRenderer cannot be converted to Callbacks

Hello, I am doing the very first step but I met a problem in the last line of code in MainActivity:

localVideoTrack.addRenderer(new VideoRenderer(videoView));

Is this connected with the library which I use? I got it from here: implementation 'org.webrtc:google-webrtc:1.0.23171'

[kostyabakay]

@soommy12 thank you! Your comment helped me a lot.

[soommy12]

Hello @niroj08 , according to the official Android WebRTC example here (which is, unfortunately, a little bit complicated) you should create a private class which extends VideoSink:

private static class ProxyVideoSink implements VideoSink { private VideoSink target; @Override synchronized public void onFrame(VideoFrame frame) { if (target == null) { Logging.d(TAG, "Dropping frame in proxy because target is null."); return; } target.onFrame(frame); } synchronized void setTarget(VideoSink target) { this.target = target; } }

Then, you need to create it: private final ProxyVideoSink localProxyVideoSink = new ProxyVideoSink();

and instead of adding a new render you add this sink to local video track: localVideoTrack.addSink(localProxyVideoSink);