policante

class BaseNavigationController: UINavigationController, UINavigationControllerDelegate {
    
    var interactivePopTransition: UIPercentDrivenInteractiveTransition!
    
    override func viewDidLoad() {
        self.delegate = self
    }
    
    func navigationController(_ navigationController: UINavigationController, willShow viewController: UIViewController, animated: Bool) {
        addPanGesture(viewController)