private async void Testing()
        {
            test = await QD.GetItemsAsync(1);

            //MainListView.ItemsSource =await Data;
            Question.Text = test.Question;
            OptionA.Text  = test.OptionA;
            OptionB.Text  = test.OptionB;
            OptionC.Text  = test.OptionC;
            OptionD.Text  = test.OptionD;
            await DisplayAlert("MockTest", "Ready when you are...", "Start Test");

            MainLayout.IsVisible = true;
            watch.Start();
            await MainProgressBar.ProgressTo(1, 100000, Easing.Linear);
        }
        public SingleMockTestPage(string dpath, int lim, int f)
        {
            InitializeComponent();
            a  = DependencyService.Get <IFileAccessHelper>().GetLocalFilePath(dpath);
            QD = new QuizData(a);
            var Data = QD.GetItemsAsync();

            Testing();
            limit = lim;
            paper = f;

            watch = new Stopwatch();
        }