public App()
{
// Loads and parses the associated XAML
InitializeComponent();
// All the cards that are set to not appear in the custom flash card deck are
// stored in this dictionary. This happens in the CustomizeDeck class. We need
// to get all of these out and restore their value each time the app starts
for (int i = 0; i < allSigns.Count; i++)
{
if (Properties.ContainsKey(allSigns[i].Name))
{
allSigns[i].UseAsFlashCard = false;
}
}
// MainPage is a property of the base Application class. It's used
// to set the starting (root) page of our application.
//
// NavigationPage sets the page into something that can be
// added to the navigation stack. Allows the back arrow in the
// Navigation Bar.
if (Device.RuntimePlatform == (Device.iOS))
{
// Need custom renderer to prevent video crashes
MainPage = new CustomTabs();
}
else
{
// No custom renderer needed for Android
MainPage = new Tabs();
}
}
protected override void OnElementChanged(VisualElementChangedEventArgs e)
{
base.OnElementChanged(e);
if (e.NewElement != null)
{
tabsPage = (CustomTabs)e.NewElement;
}
else
{
tabsPage = (CustomTabs)e.OldElement;
}
try
{
var tabbarController = (UITabBarController)this.ViewController;
if (null != tabbarController)
{
tabbarController.ViewControllerSelected += OnTabbarControllerItemSelected;
}
}
catch (Exception exception)
{
Console.WriteLine(exception);
}
}