protected virtual void OnNavigationViewFragmentResumed(AndroidX.Fragment.App.FragmentManager fm, NavigationViewFragment navHostPageFragment)
{
if (IsInitialNavigation)
{
NavigationFinished(NavigationView);
}
}
// Fragments are always destroyed if they aren't visible
// The Handler/PlatformView associated with the visible IView remain intact
// The performance hit of destorying/recreating fragments should be negligible
// Hopefully this behavior survives implementation
// This will need to be tested with Maps and WebViews to make sure they behave efficiently
// being removed and then added back to a different Fragment
//
// I'm firing NavigationFinished from here instead of FragmentAnimationFinished because
// this event appears to fire slightly after `FragmentAnimationFinished` and it also fires
// if we aren't using animations
protected virtual void OnNavigationViewFragmentDestroyed(AndroidX.Fragment.App.FragmentManager fm, NavigationViewFragment navHostPageFragment)
{
_ = NavigationView ?? throw new InvalidOperationException($"NavigationView cannot be null");
if (IsNavigating)
{
NavigationFinished(NavigationView);
}
}