UITapGestureRecognizer

let singleTap = UITapGestureRecognizer(target: self, action: #selector(imageViewTapped(_: )))
imageView.addGestureRecognizer(singleTap)
imageView.isUserInteractionEnabled = true

@objc func imageViewTapped(_ recognizer: UITapGestureRecognizer) {
        // insert animation here...
        print("recognized!!!")
}