public MainPage()
{
	InitializeComponent();
	var setHasNavigationBarSwitch = new Switch() { IsToggled = true };
	setHasNavigationBarSwitch.Toggled += (s, e) => Shell.SetNavBarIsVisible(this, e.Value);
	var setNavigationBarHiddenAnimation = new Switch() { IsToggled = true };
	setNavigationBarHiddenAnimation.Toggled += (s, e) => Shell.SetNavBarVisibilityAnimationEnabled(this, e.Value);

	Content = new VerticalStackLayout
	{
		Spacing = 5,
		Children =
			{
				new HorizontalStackLayout
				{
					Children =
					{
						new Label {
							Text = "NavigationPage.SetHasNavigationBar: ",
						},
						setHasNavigationBarSwitch,
					}
				},
				new HorizontalStackLayout
				{
					Children =
					{
						new Label {
							Text = "Page.NavigationBarHiddenAnimation: ",
						},
						setNavigationBarHiddenAnimation,
					}
				}
			}
	};
}