Contents

pageViewController(_:willTransitionTo:)

Called before a gesture-driven transition begins.

Declaration

optional func pageViewController(_ pageViewController: UIPageViewController, willTransitionTo pendingViewControllers: [UIViewController])

Parameters

  • pageViewController:

    The page view controller.

  • pendingViewControllers:

    The view controllers that are being transitioned to.

Discussion

If the user aborts the navigation gesture, the transition doesn’t complete and the view controllers stay the same.

See Also

Responding to Page View Controller Events