public App()
{
Device.SetFlags(new[] { "Shapes_Experimental", "Brush_Experimental" });
ColorPallet.ChangeColorTheme("Girly");
InitializeComponent();
MainPage = new NavigationPage(new MainPage());
}
private void CollectionView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
ColorPallet.ChangeColorTheme(e.CurrentSelection.FirstOrDefault() as string);
BoxView.Background = ColorPallet.GetBackground();
}