ArcGISRuntimeXamarin.SampleListPage.OnItemTapped C# (CSharp) Метод

    async void OnItemTapped(object sender, ItemTappedEventArgs e)
    {
      try
      {
        var item = (SampleModel)e.Item;
        var sampleName = item.SampleName;
        var sampleNamespace = item.SampleNamespace;

        Type t = Type.GetType(sampleNamespace + "." + sampleName);

        await Navigation.PushAsync((ContentPage)Activator.CreateInstance(t));
      }
      catch (Exception ex)
      {
         Logger.WriteLine(string.Format("Exception occured on OnItemTapped. Exception = ", ex)); 
      }
    }
  }