Check which image view was pressed using UITapGestureRecognizer in Swift

Question

I have three UITapGestureRecognizers.
They look like that:

gestureImageViewUp = UITapGestureRecognizer(target: self, action: #selector(ViewController.checkChoice(_:)))
self.imageViewUp.addGestureRecognizer(gestureImageViewUp)

gestureImageViewDown = UITapGestureRecognizer(target: self, action: #selector(ViewController.checkChoice(_:)))
self.imageViewDown.addGestureRecognizer(gestureImageViewDown)

gestureImageViewMiddle = UITapGestureRecognizer(target: self, action: #selector(ViewController.checkChoice(_:)))
self.imageViewMiddle.addGestureRecognizer(gestureImageViewMiddle)

I want to check which of them was pressed. How can I solve that?

Answer 1

You shouldn't need more then one recogniser, just attach it to the view and in the selector check which imageview was clicked.

func onPress(_ guesture: UIGestureRecognizer) {

    guard let location = guesture.location(in: self.view)  else { return }

    if gestureImageViewUp.frame.contains(location) {
        // …
    }
    if gestureImageViewDown.frame.contains(location) {
        // …
    }
    if gestureImageViewMiddle.frame.contains(location) {
        // …
    }
}

Not tested sorry, it would be easier if you pasted code instead of snapshots