protected override void OnNavigatedTo(Navigation.NavigationEventArgs e)
 {
     // Force GC to get invoke full clean up when ever
     GC.Collect();
     GC.WaitForPendingFinalizers();
     base.OnNavigatedTo(e);
 }
 private void OnFrameNavigated(object sender, Navigation.NavigationEventArgs e)
 {
     _currentView.AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible;
 }