async void ShowSecond(bool animated)
{
if (ChildViewControllers.Contains(Second))
{
return;
}
if (PresentedViewController != null)
{
await DismissViewControllerAsync(animated);
}
Second.View.Alpha = animated ? 0.0f : 1.0f;
Splitter.Alpha = animated ? 0.0f : 1.0f;
Second.ViewWillAppear(animated);
AddChildViewController(Second);
containerView.AddSubview(Second.View);
containerView.AddSubview(Splitter);
containerView.OnlyFirst = false;
containerView.SetNeedsLayout();
if (animated)
{
await UIView.AnimateAsync(0.333, () => {
Second.View.Alpha = 1.0f;
Splitter.Alpha = 1.0f;
containerView.LayoutIfNeeded();
});
}
}
async void HideSecond(bool animated)
{
if (!ChildViewControllers.Contains(Second))
{
return;
}
Second.ViewWillDisappear(animated);
containerView.OnlyFirst = true;
containerView.SetNeedsLayout();
if (animated)
{
await UIView.AnimateAsync(0.333, () => {
Second.View.Alpha = 0.0f;
Splitter.Alpha = 0.0f;
containerView.LayoutIfNeeded();
});
}
else
{
Second.View.Alpha = 0.0f;
Splitter.Alpha = 0.0f;
}
Second.RemoveFromParentViewController();
Second.View.RemoveFromSuperview();
Splitter.RemoveFromSuperview();
containerView.SetNeedsLayout();
}
