A super convenient to dismiss with gesture

pod 'Dismissable'

class ViewController: UIViewController, DismissTriggerUsable

class DetailViewController: UIViewController, DismissableUsable

let vc = UIStoryboard.init(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "detail") as! DetailViewController
vc.setup(dismissable: (self, dismissInteractor))
self.present(vc, animated: true, completion: nil)

var dismissAnimator: DismissAnimator = {
  let animator = DismissAnimator()
  animator.transitionDuration = 0.35
  animator.dimmedViewStartColor = UIColor.black.withAlphaComponent(0.4)
  animator.dimmedViewEndColor = UIColor.black.withAlphaComponent(0)
  return animator
 }()