Removing a view controller from UIPageViewController

Question

It\'s odd that there\'s no straightforward way to do this. Consider the following scenario:

1. You have a page view controller with 1 page.
2. Add another p

Answer 1

It did it the following in Swift 3.0

fileprivate var isAnimated:Bool = false

override func setViewControllers(_ viewControllers: [UIViewController]?, direction: UIPageViewControllerNavigationDirection, animated: Bool, completion: ((Bool) -> Void)? = nil) {

        if self.isAnimated {
            delay(0.5, closure: { 
                self.setViewControllers(viewControllers, direction: direction, animated: animated, completion: completion)
            })
        }else {
                super.setViewControllers(viewControllers, direction: direction, animated: animated, completion: completion)
        }

    }


extension SliderViewController:UIPageViewControllerDelegate {

    func pageViewController(_ pageViewController: UIPageViewController, willTransitionTo pendingViewControllers: [UIViewController]) {
        self.isAnimated = true
    }

    func pageViewController(_ pageViewController: UIPageViewController, didFinishAnimating finished: Bool, previousViewControllers: [UIViewController], transitionCompleted completed: Bool) {
        self.isAnimated = finished
    }
}

And here the delay function

func delay(_ delay:Double, closure:@escaping ()->()) {
    DispatchQueue.main.asyncAfter(
        deadline: DispatchTime.now() + Double(Int64(delay * Double(NSEC_PER_SEC))) / Double(NSEC_PER_SEC), execute: closure)
}