我有一个 UIScrollView 。我给它做了一个轻拍手势:
self.tapGesture = UITapGestureRecognizer(target: self, action: #selector(self.tapped(_:)))
self.tapGesture.delegate = self
self.tapGesture.numberOfTapsRequired = 1
self.tapGesture.numberOfTouchesRequired = 1
self.tapGesture.cancelsTouchesInView = false
self.tapGesture.delaysTouchesBegan = false
self.tapGesture.delaysTouchesEnded = false
self.scrollView.addGestureRecognizer(self.tapGesture)
这很好用,除非滚动视图正在滚动(滚动动画正在发生,而不是用户拖动),点击手势会被忽略。
我如何设置滚动视图的动画:
UIView.animate(withDuration: 0.3, delay: 0.0,
options:[.beginFromCurrentState, .curveEaseInOut], animations:
{
self.scrollView.contentOffset = CGPoint(x:self.scrollView.contentOffset.x, y:yOffset)
}, completion: nil)
此滚动视图大部分时间都在滚动,我试图将其设置为识别点按手势,而滚动视图则动画滚动 ....
答案 0 :(得分:2)
查看UIGestureRecogniserDelegate函数。
您应该可以指定使用以下功能同时识别平移和点击手势:
func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer,
shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool {
return (gestureRecogniser is UIPanGestureRecogniser || gestureRecogniser is UITapGestureRecogniser) && (otherGestureRecognizer is UIPanGestureRecogniser || otherGestureRecognizer is UITapGestureRecogniser)
}
注意:确保您的班级符合UIGestureRecogniserDelegate协议,并将手势设置为自我委派。
这应该可行,但我现在无法完全测试它。
更新:
如果您在动画期间尝试识别水龙头,则可能需要在UIView.animateWithDuration的选项中使用UIViewAnimationOptions.AllowUserInteraction
选项。使用此其他answer作为来源