我可以在最后一帧停止 UIImageView 动画吗? [英] Can I stop UIImageView Animation at last frame?

问题描述

我有一个使用 UIImageView 的动画

I have an animation using a UIImageView

myAnimatedView.animationImages = myImages;
myAnimatedView.animationDuration = 1;
myAnimatedView.animationRepeatCount = 1;
[myAnimatedView startAnimating];

我如何告诉动画在最后一帧停止或在一系列图像的最后一帧可见?

How can I tell to animation to stop at the last frame or to be visible last frame of the series of images?

提前谢谢你

推荐答案

UIImageView类的image属性有以下文档:"如果 animationImages 属性包含 nil 以外的值，则不使用该属性的内容."

the image property on the UIImageView class has the following docs: "If the animationImages property contains a value other than nil, the contents of this property are not used."

因此，在 iOS4 中保持动画最后一帧的技巧是首先将 image 属性设置为最后一帧(此时 animationImages 仍为 nil)，然后设置 animationImages 属性并调用 startAnimating.动画完成后，将显示图像属性.无需回调/委托.

So the trick to hold on the last frame of an animation in iOS4 is to first set the image property to that last frame (while animationImages is still nil), then set the animationImages property and call startAnimating. When the animation completes, the image property is then displayed. No callback/delegate needed.

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