presentViewController and displaying navigation bar

Question

I have a view controller hierarchy and the top-most controller is displayed as a modal and would like to know how to display the navigation bar when using

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Answer 1

try this

     let transition: CATransition = CATransition()
    let timeFunc : CAMediaTimingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
    transition.duration = 1
    transition.timingFunction = timeFunc
    transition.type = kCATransitionPush
    transition.subtype = kCATransitionFromRight
    self.view.window!.layer.addAnimation(transition, forKey: kCATransition)
    self.presentViewController(vc, animated:true, completion:nil)