（IOS7）动画动作的某个时候消失 [英] (IOS7) Animation action disappears sometime

问题描述

自从升级到ios7我见过这个问题。结果
有时候，我跑我的应用程序（建去，或只是运行），所有的动画消失！结果
例如，推的viewController弹出或背部。结果
任何人知道为什么吗？当我继续运行它，动画回来的时候。它驱使我疯了！

I've met this problem since upgrade to ios7.
Sometimes I run my app (build to go or just run it), all animation goes away!
For example, viewController pushes or pops back.
Any one knows why? When I continue running it, the animation comes back sometimes. It has driven me crazy!!

推荐答案

这发生在我身上的iPhone6​​（IOS8.3 12F70）和X code版本是6.3（6D570）

It happens to me on the iPhone6(IOS8.3 12F70) and the Xcode version is 6.3(6D570)

在整个运行的问题后，我使用视图调试工具来捕获结果
视图层次结构。检查调试控制台 [UIView的areAnimationsEnabled] 的价值。返回FALSE /零。设置完成后它通过的UIView的类方法启用 setAnimationsEnabled：，该动画再来

After running across the problem, I use the view debugging tool to capture
the view hierarchy. Check the value of [UIView areAnimationsEnabled] in debugging console. It returns false/nil. After setting it enabled through UIView's class method setAnimationsEnabled:, The animations come back again.

我还没有什么设置禁用动画任何想法。我敢肯定，我的code没有做到这一点。即使我设置了象征性的破发点，这是很难追源。由于一大堆UIKit的方法调用 setAnimationsEnabled：，如图像设置为UIImageView的形象属性，状态栏的显示和隐藏，以及更多。

I don't yet have any idea about what set the animation disabled. And I'm sure my code doesn't do it. Even if I setting the symbolic break point, it's hard to chase the source. Because of a whole bunch of UIKit methods call the setAnimationsEnabled:, such as setting an image to UIImageView's image property, status bar showing and hiding, and a lot more.

下面的回答类似的问题，动画消失于iOS的应用程序一段时间后，希望这将有助于！

Here an answer to a similar question Animations disappear in iOS application after some time, hope it will helps!

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