handle tap

gistfile1.txt

 func handleTap(sender: UITapGestureRecognizer? = nil) {
        // just creating an alert to prove our tap worked!
        let tapAlert = UIAlertController(title: "hmmm...", message: "this actually worked?", preferredStyle: UIAlertControllerStyle.Alert)
        tapAlert.addAction(UIAlertAction(title: "OK", style: .Destructive, handler: nil))
        self.presentViewController(tapAlert, animated: true, completion: nil)
    }