updateRemoteView method Null safety
- dynamic viewId,
- dynamic streamType,
- dynamic userId
Update the window of remote video image (only for iOS)
Parameters:
viewId Control that carries the video image
userId   userId of the specified remote user
streamType Video stream type of the userId specified for watching:
Implementation
Future<void> updateRemoteView(viewId, streamType, userId) {
  return TRTCCloudVideoViewController(viewId)
      .updateRemoteView(viewId, streamType, userId);
}