BHMenuPresentationInit.swift

public class BHMenuPresentation: UIPresentationController {
    
    var bhDelegate : BHMenuPresentationDelegate?
    public var dimmingView: UIView!
    
    override init(presentedViewController: UIViewController, presenting presentingViewController: UIViewController?) {
      super.init(presentedViewController: presentedViewController, presenting: presentingViewController)
      setupDimmingView()
    }
    
    func setupDimmingView() {
      dimmingView = UIView()
      dimmingView.translatesAutoresizingMaskIntoConstraints = false
      dimmingView.backgroundColor = UIColor.black
      self.dimmingView.alpha = 0.0
      let tapGesture = UITapGestureRecognizer(target: self, action: #selector(self.dismissPresentationView(sender:)))
      dimmingView.addGestureRecognizer(tapGesture)
    }
    
    @objc func dismissPresentationView(sender : UITapGestureRecognizer){
        presentedViewController.dismiss(animated: true, completion: nil)
    }
    
}