Given a view, how do I get its viewController?

Question

I have a pointer to a UIView. How do I access its UIViewController? [self superview] is another UIView, but not the

Answer 1

More type safe code for Swift 3.0

extension UIResponder {
    func owningViewController() -> UIViewController? {
        var nextResponser = self
        while let next = nextResponser.next {
            nextResponser = next
            if let vc = nextResponser as? UIViewController {
                return vc
            }
        }
        return nil
    }
}