Check out example codes for "swift uiview add tap gesture". It will help you in understanding the concepts better.

Code Example 1

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

// 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

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