Swift 手勢單擊，雙擊，長按
// MARK:tapGestureRecognizer手勢之單擊
private func tapGestureRecognizerAction(){
let rect = CGRect(x: 32, y: 80, width: 256, height: 256)
let image = UIImage(named: "image")
let imageView = UIImageView(frame: rect)
imageView.image = image
self.view.addSubview(imageView)
imageView.isUserInteractionEnabled = true
let guesture = UITapGestureRecognizer(target: self, action: #selector(ViewController.singleTap(guesTure:)))
imageView.addGestureRecognizer(guesture)
}
@objc private func singleTap( guesTure : UITapGestureRecognizer ){
print(guesTure.numberOfTapsRequired)
print(guesTure.numberOfTouchesRequired)
let aleartView = UIAlertController(title:"Infomantion", message: "single Tap", preferredStyle: UIAlertController.Style.alert)
let OKAction = UIAlertAction(title: "OK", style: UIAlertAction.Style.default) { (UIAlertAction) in
}
aleartView.addAction(OKAction)
self.present(aleartView, animated: true, completion: nil) }
// MARK:tapGestureRecognizer手勢之長按
private func longPressGestureRecognizerAction(){
let rect = CGRect(x: 32, y: 80, width: 256, height: 256)
let image = UIImage(named: "image")
let imageView = UIImageView(frame: rect)
imageView.image = image
view.addSubview(imageView)
imageView.isUserInteractionEnabled = true
let longGress = UILongPressGestureRecognizer()
longGress.addTarget(self, action: #selector(longGressGestrue(longGress:)))
imageView.addGestureRecognizer(longGress)
}
@objc private func longGressGestrue(longGress:UILongPressGestureRecognizer){
if longGress.state == UIGestureRecognizer.State.began {
print("began")
let aleatVC = UIAlertController(title: "", message: "長按", preferredStyle: UIAlertController.Style.alert)
let actionOK = UIAlertAction(title: "好的", style: UIAlertAction.Style.default) { (UIAlertAction) in
}
aleatVC.addAction(actionOK)
self.present(aleatVC, animated: true, completion: nil)
}else if longGress.state == UIGestureRecognizer.State.possible{
print("possible")
}else if longGress.state == UIGestureRecognizer.State.changed{
print("changed")
}else if longGress.state == UIGestureRecognizer.State.possible{
print("possible")
}else if longGress.state == UIGestureRecognizer.State.ended{
print("ended")
}else{
print("cancelled")
}
}
// MARK:tapGestureRecognizer手勢之雙擊
private func doubleTapGestureRecognizerAction(){
let rect = CGRect(x: 32, y: 80, width: 256, height: 256)
let image = UIImage(named: "image")
let imageView = UIImageView(frame: rect)
imageView.image = image
view.addSubview(imageView)
imageView.isUserInteractionEnabled = true
let doubleTap = UITapGestureRecognizer()
doubleTap.numberOfTapsRequired = 2
doubleTap.numberOfTouchesRequired = 1;
doubleTap.addTarget(self, action: #selector(doubleTapGesture(doubleTapGesture:)))
imageView.addGestureRecognizer(doubleTap)
}
@objc private func doubleTapGesture(doubleTapGesture:UITapGestureRecognizer){
let aleartVC = UIAlertController(title: "infoMation", message: "雙擊", preferredStyle: UIAlertController.Style.alert)
let actionOK = UIAlertAction(title: "好的", style: UIAlertAction.Style.default) { (UIAlertAction) in
}
aleartVC.addAction(actionOK)
self.present(aleartVC, animated: true, completion: nil)
}