public override void WillShowViewController(UINavigationController navigationController, [Transient] UIViewController viewController, bool animated)
{
var element = _self.ElementForViewController(viewController);
bool navBarVisible;
if (element is ShellSection)
{
navBarVisible = _self._renderer.ShowNavBar;
}
else
{
navBarVisible = Shell.GetNavBarIsVisible(element);
}
navigationController.SetNavigationBarHidden(!navBarVisible, true);
var coordinator = viewController.GetTransitionCoordinator();
if (coordinator != null)
{
// handle swipe to dismiss gesture
coordinator.NotifyWhenInteractionEndsUsingBlock((context) =>
{
if (!context.IsCancelled)
{
_self._popCompletionTask = new TaskCompletionSource <bool>();
_self.SendPoppedOnCompletion(_self._popCompletionTask.Task);
}
});
}
}
public override void WillShowViewController(UINavigationController navigationController, [Transient] UIViewController viewController, bool animated)
{
var element = _self.ElementForViewController(viewController);
bool navBarVisible;
if (element is ShellSection)
{
navBarVisible = _self._renderer.ShowNavBar;
}
else
{
navBarVisible = Shell.GetNavBarIsVisible(element);
}
navigationController.SetNavigationBarHidden(!navBarVisible, true);
var coordinator = viewController.GetTransitionCoordinator();
if (coordinator != null && coordinator.IsInteractive)
{
// handle swipe to dismiss gesture
if (Forms.IsiOS10OrNewer)
{
coordinator.NotifyWhenInteractionChanges(OnInteractionChanged);
}
else
{
coordinator.NotifyWhenInteractionEndsUsingBlock(OnInteractionChanged);
}
}
}
public override void WillShowViewController(UINavigationController navigationController, [Transient] UIViewController viewController, bool animated)
{
var element = _self.ElementForViewController(viewController);
bool navBarVisible;
if (element is ShellSection)
{
navBarVisible = _self._renderer.ShowNavBar;
}
else
{
navBarVisible = Shell.GetNavBarIsVisible(element);
}
navigationController.SetNavigationBarHidden(!navBarVisible, true);
}
