initKeepAliveHandler method

@override Future<void> initKeepAliveHandler(dynamic callBack(String roomParams)?)

Implementation

@override
Future<void> initKeepAliveHandler(Function(String roomParams)? callBack) async {
   methodChannel.setMethodCallHandler((call) async {
    if (call.method == "openRoom") {
      final roomParams = call.arguments as String;
      callBack?.call(roomParams);
    }
  });
}