gestures.swift

// Title: Listening for Tap Gestures
// Authors: Clay McLeod
// Description: How to handle tap gestures on a view controller.
// Section: Swift
// Subsection: UI

class ViewController: UIViewController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Create TapGestureRecognizer to listen for taps
        // target: Which class contains your callback? (self means to the same class)
        // action: Name of the callback method
        var tgr : UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: "touchDidOccur:")
        
        // Register our TapGestureRecognizer in our parent view
        self.view.addGestureRecognizer(tgr)
        
        ...
    }

    ...

    func touchDidOccur(recognizer: UITapGestureRecognizer){
        // handle touch
    }
}