public DirectoryPage ()
		{
			InitializeComponent ();
			BindingContext = new DirectoryViewModel (new DirectoryService ());
			Device.OnPlatform (Android: () =>
				NavigationPage.SetHasNavigationBar (this, false));
		}
 public DirectoryPage()
 {
     InitializeComponent ();
     BindingContext = new DirectoryViewModel ();
 }