private void HideNavBarClicked(object sender, EventArgs e)
 {
     ShowNavButton.FadeTo(1, 150, Easing.SinInOut);
     ShowNavButton.IsVisible = true;
     NavBar.TranslateTo(-52, 0, 200);
 }
 private void ShowNavBarClicked(object sender, EventArgs e)
 {
     ShowNavButton.FadeTo(0, 150, Easing.SinInOut);
     ShowNavButton.IsVisible = false;
     NavBar.TranslateTo(0, 0, 200);
 }