public void SetViewControllers(UIViewController[] newViewControllers)
{
if (newViewControllers.Length < 2)
throw new Exception("MHTabBarController requires at least two view controllers");
UIViewController oldSelectedViewController = selectedViewController;
// Remove the old child view controllers.
if (viewControllers != null) {
foreach (var viewController in viewControllers)
{
viewController.WillMoveToParentViewController(null);
viewController.RemoveFromParentViewController();
}
}
viewControllers = newViewControllers.ToArray();
// This follows the same rules as UITabBarController for trying to
// re-select the previously selected view controller.
int newIndex = Array.IndexOf (viewControllers, oldSelectedViewController);
if (newIndex != -1)
selectedIndex = newIndex;
else if (newIndex < viewControllers.Length)
selectedIndex = newIndex;
else
selectedIndex = 0;
// Add the new child view controllers.
foreach (var viewController in viewControllers)
{
AddChildViewController(viewController);
viewController.DidMoveToParentViewController(this);
}
if (IsViewLoaded)
ReloadTabButtons();
}