iOS adding tapGesture to multiple Views

Question

I have multiple views defined in my main view. I want to add single tap gesture to all these views. Below is the code I have written, but this registers a tap gesture to the

Answer 1

// Add tap gesture in swift 4

    let tap = UITapGestureRecognizer(target: self, action: #selector(self.handleTap(_:)))
    view.addGestureRecognizer(tap)
    view.isUserInteractionEnabled = true
    self.view.addSubview(view)

// function which is triggered when handleTap is called
@objc func handleTap(_ sender: UITapGestureRecognizer) {
    if sender.view == view1 {
       // do something
    }
    else{
       // do next thing
    }
}

//USE in view did load: tapGestures(view: view1) tapGestures(view: view2) tapGestures(view: view3)