/// <summary>
/// Gets called when the user presses the back button.
/// </summary>
private void App_BackRequested(object sender, BackRequestedEventArgs e)
{
Frame frame = Window.Current.Content as Frame;
if (frame.Content is NavigationPage)
{
NavigationPage page = frame.Content as NavigationPage;
page.BackRequested();
e.Handled = true;
return;
}
if (frame != null && frame.CanGoBack)
{
frame.GoBack();
}
e.Handled = true;
}
