destroyCallEngine method
Implementation
Future<TUIActionCallback> destroyCallEngine() {
Completer<TUIActionCallback> completer = Completer();
String userData = Tools.generateUserData("Call_unInitCallEngine");
_actionCallback2Future(userData, completer);
_callEngineSDK.Dart_CallEngineCallAPI(
'destroy'.toNativeUtf8().cast(),
jsonEncode([]).toNativeUtf8().cast(),
userData.toNativeUtf8().cast());
return completer.future;
}