fetchRoomInfo method
Implementation
Future<TUIValueCallBack<TUIRoomInfo>> fetchRoomInfo() {
String userData = Tools.generateUserData();
Completer<TUIValueCallBack<TUIRoomInfo>> completer = Completer();
_valueCallback2Future<TUIRoomInfo>(userData, completer);
_engineSDK.Dart_FetchRoomInfo(
_engineFFIPointer, Tools.string2PointerChar(userData));
return completer.future;
}