我需要使用滑动来识别滑动手势，然后向右。但在swift UISwipeGestureRecognizer具有预定的右方向..我不知道如何使这个使用其他方向..
您需要为每个方向有一个UISwipeGestureRecognizer。这有点怪异，因为UISwipeGestureRecognizer.direction属性是一个选项样式的位掩码，但每个识别器只能处理一个方向。你可以将它们全部发送到同一个处理程序，如果你想，并将其排序，或发送到不同的处理程序。这里有一个实现：
原文链接：https://www.f2er.com/swift/321421.htmloverride func viewDidLoad() {
super.viewDidLoad()
var swipeRight = UISwipeGestureRecognizer(target: self,action: "respondToSwipeGesture:")
swipeRight.direction = UISwipeGestureRecognizerDirection.Right
self.view.addGestureRecognizer(swipeRight)
var swipeDown = UISwipeGestureRecognizer(target: self,action: "respondToSwipeGesture:")
swipeDown.direction = UISwipeGestureRecognizerDirection.Down
self.view.addGestureRecognizer(swipeDown)
}
func respondToSwipeGesture(gesture: UIGestureRecognizer) {
if let swipeGesture = gesture as? UISwipeGestureRecognizer {
switch swipeGesture.direction {
case UISwipeGestureRecognizerDirection.Right:
print("Swiped right")
case UISwipeGestureRecognizerDirection.Down:
print("Swiped down")
case UISwipeGestureRecognizerDirection.Left:
print("Swiped left")
case UISwipeGestureRecognizerDirection.Up:
print("Swiped up")
default:
break
}
}
}
Swift 3：
override func viewDidLoad() {
super.viewDidLoad()
let swipeRight = UISwipeGestureRecognizer(target: self,action: #selector(self.respondToSwipeGesture))
swipeRight.direction = UISwipeGestureRecognizerDirection.right
self.view.addGestureRecognizer(swipeRight)
let swipeDown = UISwipeGestureRecognizer(target: self,action: #selector(self.respondToSwipeGesture))
swipeDown.direction = UISwipeGestureRecognizerDirection.down
self.view.addGestureRecognizer(swipeDown)
}
func respondToSwipeGesture(gesture: UIGestureRecognizer) {
if let swipeGesture = gesture as? UISwipeGestureRecognizer {
switch swipeGesture.direction {
case UISwipeGestureRecognizerDirection.right:
print("Swiped right")
case UISwipeGestureRecognizerDirection.down:
print("Swiped down")
case UISwipeGestureRecognizerDirection.left:
print("Swiped left")
case UISwipeGestureRecognizerDirection.up:
print("Swiped up")
default:
break
}
}
}
