【发布时间】:2016-07-02 05:39:18
【问题描述】:
将动画应用于 UIImageView 会阻止动画期间的交互,尽管包含 .allowUserInteraction 作为选项。该视图似乎仅在动画结束时响应。我花了无数个小时研究这个无济于事。其他帖子建议更改 alpha 值,但这似乎只适用于按钮。 (UIImageView 通过 UIPanGestureRecognizer 连接到@IBAction)。
@IBAction func panAction(recognizer: UIPanGestureRecognizer) {
let translation = recognizer.translationInView(self.view)
recognizer.view!.center = CGPoint(x: recognizer.view!.center.x + translation.x, y: recognizer.view!.center.y + translation.y)
recognizer.setTranslation(CGPointZero, inView: self.view)
if recognizer.state == UIGestureRecognizerState.Ended {
UIView.animateWithDuration(3, delay: 0, options: [UIViewAnimationOptions.CurveEaseOut, UIViewAnimationOptions.AllowUserInteraction], animations: {
recognizer.view?.center.y += 300
}, completion: nil)
}
}
【问题讨论】:
-
ImageView 不影响用户交互,您可以将其设置在可以按下/点击的对象上(即 Button、Cell、CollectionView)
标签: ios swift uiimageview uipangesturerecognizer animatewithduration