两个视图之间的转换适用于iOS8,但不适用于iOS9
我已经尝试了几个小时来获得两个视图之间的过渡动画工作。一直以来出现的问题是,当我让代码在ios8.1上运行时,它会停止在ios9.1上运行,反之亦然。问题很简单,我想要转换到的视图消失了。我知道有很多这样的话题,但没有一个答案对我有用,它总是对一个版本的ios有用,而对另一个版本则不起作用。 我在某个地方读到过,动画不能正常工作的问题是我使用了自动布局,其中一个解决方案是使用层变换,这就是为什么我最终使用了一个可以在iOS8上工作但现在不能在iOS9上工作的代码版本。。。 下面是我在iOS8中使用的代码两个视图之间的转换适用于iOS8,但不适用于iOS9,ios,swift,ios8.1,catransition,ios9.1,Ios,Swift,Ios8.1,Catransition,Ios9.1,我已经尝试了几个小时来获得两个视图之间的过渡动画工作。一直以来出现的问题是,当我让代码在ios8.1上运行时,它会停止在ios9.1上运行,反之亦然。问题很简单,我想要转换到的视图消失了。我知道有很多这样的话题,但没有一个答案对我有用,它总是对一个版本的ios有用,而对另一个版本则不起作用。 我在某个地方读到过,动画不能正常工作的问题是我使用了自动布局,其中一个解决方案是使用层变换,这就是为什么我最终使用了一个可以在iOS8上工作但现在不能在iOS9上工作的代码版本。。。 下面是我在iOS8中使
class ChannelDetailsCollectionViewController: UICollectionViewController {
@IBAction func backButtonPressed(sender: AnyObject) {
self.navigationController?.popViewControllerAnimated(true)
}
}
class UIAnimatedNavigationControllerDelegate: NSObject, UINavigationControllerDelegate {
func navigationController(navigationController: UINavigationController, animationControllerForOperation operation: UINavigationControllerOperation, fromViewController fromVC: UIViewController, toViewController toVC: UIViewController) -> UIViewControllerAnimatedTransitioning? {
if operation == .Push {
return SlideInAnimator()
} else if operation == .Pop {
return SlideInDismissAnimator()
} else {
return nil
}
}
func animateTransition(transitionContext: UIViewControllerContextTransitioning) {
let containerView = transitionContext.containerView()!
let toView = transitionContext.viewForKey(UITransitionContextToViewKey)!
let fromView = transitionContext.viewForKey(UITransitionContextFromViewKey)!
let duration = self.transitionDuration(transitionContext)
containerView.addSubview(toView)
let transition = CATransition()
transition.startProgress = 0
transition.endProgress = 1
transition.speed = 3.0
transition.type = kCATransitionPush
transition.subtype = kCATransitionFromLeft
transition.duration = 1.0
fromView.layer.addAnimation(transition, forKey:"transition")
toView.layer.addAnimation(transition, forKey:"transition")
fromView.hidden = true
toView.hidden = false
transitionContext.completeTransition(true)
}
以下是在这个版本中对iOS9起作用的内容,我看到当调用toView.transform=CGAffineTransformidity时,视图会在iOS8中消失,我认为这是因为autolayout。我试着检查nil视图并再次添加它们,但仍然不起作用
func animateTransition(transitionContext: UIViewControllerContextTransitioning) {
let container = transitionContext.containerView()
let fromViewController = transitionContext.viewControllerForKey(UITransitionContextFromViewControllerKey)
let fromView = fromViewController!.view
let toViewController = transitionContext.viewControllerForKey(UITransitionContextToViewControllerKey)
let toView = toViewController!.view
toView.transform = getSlideTransform(toView, offset: -container!.frame.width)
fromView.transform = getSlideTransform(toView, offset: 0.0)
container!.addSubview(toView)
container!.addSubview(fromView)
let duration = self.transitionDuration(transitionContext)
UIView.animateWithDuration(duration, delay: 0.0, usingSpringWithDamping: 0.9, initialSpringVelocity: 0.8, options: [], animations: {
toView.transform = CGAffineTransformIdentity
fromView.transform = self.getSlideTransform(fromView, offset: fromView.frame.width+100)
}, completion: { finished in
transitionContext.completeTransition(true)
})
}
private func getSlideTransform(view: UIView, offset: CGFloat) -> CGAffineTransform {
let size = view.frame.size
var offSetTransform = CGAffineTransformMakeTranslation(offset, 0)
offSetTransform = CGAffineTransformScale(offSetTransform, 0.9, 0.9)
return offSetTransform
}
谁能给我一些建议现在该怎么做?因为我没有主意了,正如我所说的,我检查的所有主题都会解决一个版本的iOS的问题,并使另一个版本崩溃://因此,经过几个小时的尝试,我让代码在iOS8和iOS9上都能工作 我张贴的工作代码,任何人谁可能有类似的问题,我的,但不能做任何事
func animateTransition(transitionContext: UIViewControllerContextTransitioning) {
let container = transitionContext.containerView()
let fromViewController = transitionContext.viewControllerForKey(UITransitionContextFromViewControllerKey)
let fromView = fromViewController!.view
let toViewController = transitionContext.viewControllerForKey(UITransitionContextToViewControllerKey)
let toView = toViewController!.view
let duration = self.transitionDuration(transitionContext)
toView.frame = transitionContext.initialFrameForViewController(toViewController!)
fromView.frame = transitionContext.initialFrameForViewController(fromViewController!)
toView.transform = getSlideTransform(toView, offset: -container!.frame.width)
fromView.transform = getSlideTransform(toView, offset: 0.0)
container!.addSubview(toView)
UIView.animateWithDuration(duration, delay: 0.0, usingSpringWithDamping: 0.9, initialSpringVelocity: 0.8, options: [], animations: {
fromView!.removeFromSuperview()
toView.transform = CGAffineTransformIdentity
fromView.transform = self.getSlideTransform(fromView, offset: fromView.frame.width)
toView.frame = transitionContext.finalFrameForViewController(toViewController!)
fromView.frame = transitionContext.finalFrameForViewController(fromViewController!)
}, completion: { finished in
transitionContext.completeTransition(true)
})
}
在动画之前,我必须使用:initialFrameForViewController
从transitionContext
设置帧,在动画期间,我必须使用:finalFrameForViewController
从transitionContext
设置最终帧。它阻止了视图消失,也许它最终得到了正确的帧值