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Re: UINavigationController back gesture animation
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Re: UINavigationController back gesture animation


  • Subject: Re: UINavigationController back gesture animation
  • From: Torsten Curdt <email@hidden>
  • Date: Wed, 15 Jun 2016 16:57:25 +0200

Since I am getting nowhere with this I thought maybe at least I could know
when the animation finishes.
So I was trying it like this:

extension UINavigationController {
    func pushViewController(viewController: UIViewController, animated:
Bool, completion: (Void -> Void)) {
        pushViewController(viewController, animated: animated)

        if let coordinator = transitionCoordinator() where animated {
            coordinator.animateAlongsideTransition(nil) { _ in
                completion()
            }
        } else {
            completion()
        }
    }
}

...but the coordinator is just nil.

Any thoughts?
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References: 
 >UINavigationController back gesture animation (From: Torsten Curdt <email@hidden>)

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