/// <inheritdoc />
public override void ViewWillAppear(bool animated)
{
SetupBackground();
PrepareCustomAnimation();
SetupLayout();
AddChildViewController(_childDialog);
_childDialog.View.TranslatesAutoresizingMaskIntoConstraints = false;
ContainerView.AddSubview(_childDialog.View);
ContainerView.UserInteractionEnabled = true;
ContainerView.AddGestureRecognizer(new UITapGestureRecognizer(() => { }));
NSLayoutConstraint.ActivateConstraints(new[]
{
_childDialog.View.LeadingAnchor.ConstraintEqualTo(ContainerView.LeadingAnchor),
_childDialog.View.TrailingAnchor.ConstraintEqualTo(ContainerView.TrailingAnchor),
_childDialog.View.TopAnchor.ConstraintEqualTo(ContainerView.TopAnchor),
_childDialog.View.BottomAnchor.ConstraintEqualTo(ContainerView.BottomAnchor),
});
_childDialog.DidMoveToParentViewController(this);
RootView.AddGestureRecognizer(GetTappedOutsideGestureRecognizer());
}