Progress of UIPageViewController

Question

I would like to receive updates from the uipageviewcontroller during the page scrolling process. I want to know the transitionProgress in %. (This value should update when t

Answer 1

in SWIFT to copy paste ;) works perfect for me

extension UIPageViewController: UIScrollViewDelegate {

    public override func viewDidLoad() {
        super.viewDidLoad()

        for subview in view.subviews {
            if let scrollView = subview as? UIScrollView {
                scrollView.delegate = self
            }
        }
    }

   public func scrollViewDidScroll(_ scrollView: UIScrollView) {
       let point = scrollView.contentOffset
       var percentComplete: CGFloat
       percentComplete = abs(point.x - view.frame.size.width)/view.frame.size.width
       print("percentComplete: ",percentComplete)
   }
}