public void DidFinishAnimating(UIPageViewController pageViewController, bool finished, UIViewController[] previousViewControllers, bool completed)
{
try
{
UIViewController v = pageViewController.ViewControllers[0];
var index = ViewControllers.IndexOf(v);
if (index < 0)
{
return;
}
SelectedIndex = index;
PageTabBar.Select(SelectedIndex);
if (finished && completed)
{
if (Delegate != null)
{
Delegate.DidTransitionTo(this, v);
}
}
}
catch (Exception)
{
return;
}
}
internal void HandlePageTabBarButton(UIButton button)
{
var index = PageTabBar.Buttons.IndexOf(button);
if (index < 0 || index == SelectedIndex)
{
return;
}
var direction = index < SelectedIndex ? UIPageViewControllerNavigationDirection.Reverse : UIPageViewControllerNavigationDirection.Forward;
IsTabSelectedAnimation = true;
SelectedIndex = index;
PageTabBar.Select(SelectedIndex);
SetViewControllers(new UIViewController[] { ViewControllers[index] }, direction, true, (finished) =>
{
var s = this;
s.IsTabSelectedAnimation = false;
if (s.Delegate != null)
{
s.Delegate.DidTransitionTo(s, s.ViewControllers[s.SelectedIndex]);
}
});
}
private void preparePageTabBar()
{
PageTabBar.SetZPosition(1000);
PageTabBar.SetDividerColor(Color.Grey.Lighten3);
View.AddSubview(PageTabBar);
PageTabBar.Select(SelectedIndex);
}
public override void LayoutSubviews()
{
base.LayoutSubviews();
var p = PageTabBar.IntrinsicContentSize.Height + PageTabBar.LayoutEdgeInsets().Top + PageTabBar.LayoutEdgeInsets().Bottom;
var y = View.Height() - p;
PageTabBar.SetHeight(p);
PageTabBar.SetWidth(View.Width() + PageTabBar.LayoutEdgeInsets().Left + PageTabBar.LayoutEdgeInsets().Right);
RootViewController.View.SetHeight(y);
switch (PageTabBarAlignment)
{
case PageTabBarAlignment.Top:
{
PageTabBar.SetY(0);
RootViewController.View.SetY(p);
}
break;
case PageTabBarAlignment.Bottom:
{
PageTabBar.SetY(y);
RootViewController.View.SetY(0);
}
break;
}
}