stopRemoteView method Null safety
Stop displaying remote video image and pulling the video data stream of remote user
Video stream type of the userId specified for stopping watching:
Parameters:
userId User ID
streamType:
- HD big image: TRTCCloudDef.TRTC_VIDEO_STREAM_TYPE_BIG
- Smooth big image: TRTCCloudDef.TRTC_VIDEO_STREAM_TYPE_SMALL
- Substream (screen sharing): TRTCCloudDef.TRTC_VIDEO_STREAM_TYPE_SUB
Implementation
Future<void> stopRemoteView(
    String userId, // User ID
    int streamType) {
  return _channel.invokeMethod(
      'stopRemoteView', {"userId": userId, "streamType": streamType});
}