void OnItemSelected(object sender, SelectedItemChangedEventArgs e)
        {
            if (PageGenerator?.ShouldGenerateFrom(e.SelectedItem) == true)
            {
                Page newPage = PageGenerator.Generate(e.SelectedItem);

                if (PageGenerator.ShouldSetBindingContextOfNewPage(e.SelectedItem))
                {
                    newPage.BindingContext = e.SelectedItem;
                }

                Navigation.PushAsync(newPage);
            }

            if (!LeaveSelected)
            {
                (sender as ListView).SelectedItem = null;
            }
        }