on click gesture open and close swift code example

Example: swift uiview add tap gesture

let tap = UITapGestureRecognizer(target: self, action: #selector(self.handleTap(_:)))
myView.addGestureRecognizer(tap)

// Then, you should implement the handler, which will be called each time when a tap event occurs:

@objc func handleTap(_ sender: UITapGestureRecognizer? = nil) {
    // handling code
}