protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);
            SetContentView(Resource.Layout.LoadingView);
            CreateNotificationChannel();
            IsPlayServicesAvailable();


            var token = FirebaseInstanceId.Instance.Token;

            WebApiDataController.PostNotifyToken(token);
            FirebaseMessaging.Instance.SubscribeToTopic("news");
            var intent = new Intent(this, typeof(LoadDataActivity));

            StartActivity(intent);
            Finish();
        }
        public override void OnTokenRefresh()
        {
            var refreshedToken = FirebaseInstanceId.Instance.Token;

            WebApiDataController.PostNotifyToken(refreshedToken);
        }