private void SetUpChildViewController()
{
ChildViewController.WillMoveToParentViewController(this);
AddChildViewController(ChildViewController);
ContainerView.TranslatesAutoresizingMaskIntoConstraints = false;
ChildViewController.View.TranslatesAutoresizingMaskIntoConstraints = false;
ContainerView.AddSubview(ChildViewController.View);
var bottomInset = this.AdditionalSafeAreaInsets.Bottom;
ContainerView.AddConstraint(NSLayoutConstraint.Create(ContainerView, NSLayoutAttribute.Top, NSLayoutRelation.Equal, ChildViewController.View, NSLayoutAttribute.Top, 1, 0));
ContainerView.AddConstraint(NSLayoutConstraint.Create(ContainerView, NSLayoutAttribute.Bottom, NSLayoutRelation.Equal, ChildViewController.View, NSLayoutAttribute.Bottom, 1, bottomInset));
ContainerView.AddConstraint(NSLayoutConstraint.Create(ContainerView, NSLayoutAttribute.Leading, NSLayoutRelation.Equal, ChildViewController.View, NSLayoutAttribute.Leading, 1, 0));
ContainerView.AddConstraint(NSLayoutConstraint.Create(ContainerView, NSLayoutAttribute.Trailing, NSLayoutRelation.Equal, ChildViewController.View, NSLayoutAttribute.Trailing, 1, 0));
if (RoundTopCorner)
{
ChildViewController.View.Layer.MaskedCorners = CoreAnimation.CACornerMask.MaxXMinYCorner | CoreAnimation.CACornerMask.MinXMinYCorner;
ChildViewController.View.Layer.CornerRadius = 10;
ChildViewController.View.Layer.MasksToBounds = true;
}
ChildViewController.DidMoveToParentViewController(this);
}
/// <summary>
/// Shows the tab with the specified tag.
/// </summary>
/// <param name="tag">The tag assigned to the tab to show.</param>
protected void ShowTab(nint tag)
{
if (tag != this.currentItemTag)
{
ChildViewController childController = this.LoadChildViewController(tag);
if (this.currentChildController != null)
{
this.currentChildController.ViewWillDisappear(false);
this.currentChildController.View.RemoveFromSuperview();
this.currentChildController.RemoveFromParentViewController();
}
this.AddChildViewController(childController.Instance);
childController.Instance.DidMoveToParentViewController(this);
childController.Instance.ViewWillAppear(false);
this.InsertAndLayoutTabView(childController.Instance);
if (this.UseChildNavigationItem)
{
childController.InitializeNavigationBar();
this.SetNavigationItemFromChild(childController.Instance);
}
if (this.currentChildController != null)
{
this.currentChildController.ViewDidDisappear(false);
}
childController.Instance.ViewDidAppear(false);
this.currentChildController = childController.Instance;
this.currentItemTag = tag;
}
}