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); } }