UIView

先上代码 let tView = UIView()override func viewDidLoad() { tView.backgroundColor = .orange view.addSubview(tView)} override func viewWillLayoutSubViews() ......

通过手势代理方法判断处理，代码如下 let tap = UITapGestureRecognizer(target: self, action: #selector(tapAction)) tap.delegate = self view.addGestureRecognizer(tap) func ......