Swift to achieve click double click pinch rotation drag stroke long press gesture class and method
- 2020-05-06 11:43:20
- OfStack
1.UITapGestureRecognizer click/double click gesture
var tapGesture = UITapGestureRecognizer(target: self, action: "handleTapGesture:")
// Set the number of gesture clicks , Double-click: point 2 Under the
tapGesture.numberOfTapsRequired = 2
self.view.addGestureRecognizer(tapGesture)
2.UIPinchGestureRecognizer pinch (zoom in/out) gesture
var pinchGesture = UIPinchGestureRecognizer(target: self, action: "handlePinchGesture:")
self.view.addGestureRecognizer(pinchGesture)
3.UIRotationGestureRecognizer rotating gesture
var rotateGesture = UIRotationGestureRecognizer(target: self, action: "handleRotateGesture:")
self.view.addGestureRecognizer(rotateGesture)
4. UIPanGestureRecognizer drag gesture
var panGesture = UIPanGestureRecognizer(target: self, action: "handlePanGesture:")
self.view.addGestureRecognizer(panGesture)
5. UISwipeGestureRecognizer swipes
var swipeGesture = UISwipeGestureRecognizer(target: self, action: "handleSwipeGesture:")
swipeGesture.direction = UISwipeGestureRecognizerDirection.Left // No, it's right
self.view.addGestureRecognizer(swipeGesture)
6. UILongPressGestureRecognizer long gesture
var longpressGesutre = UILongPressGestureRecognizer(target: self, action: "handleLongpressGesture:")
// According to time long
// longpressGesutre.minimumPressDuration
// Required number of touches
/// longpressGesutre.numberOfTouchesRequired
self.view.addGestureRecognizer(longpressGesutre)
UIGestureRecognizerState Enumeration is defined as follows
enum UIGestureRecognizerState : Int {
case Possible // the recognizer has not yet recognized its gesture, but may be evaluating touch events. this is the default state
case Began // the recognizer has received touches recognized as the gesture. the action method will be called at the next turn of the run loop
case Changed // the recognizer has received touches recognized as a change to the gesture. the action method will be called at the next turn of the run loop
case Ended // the recognizer has received touches recognized as the end of the gesture. the action method will be called at the next turn of the run loop and the recognizer will be reset to UIGestureRecognizerStatePossible
case Cancelled // the recognizer has received touches resulting in the cancellation of the gesture. the action method will be called at the next turn of the run loop. the recognizer will be reset to UIGestureRecognizerStatePossible
case Failed // the recognizer has received a touch sequence that can not be recognized as the gesture. the action method will not be called and the recognizer will be reset to UIGestureRecognizerStatePossible
}