xcode UIButton 中的动画图像
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Animated Images in a UIButton
提问by Cherr Skees
What is the best way to animate images of a button?
动画按钮图像的最佳方法是什么？
Say I want to cycle through like 6 frames and have the user still be able to click the button?
假设我想循环播放 6 帧并且让用户仍然可以单击按钮？
Should I animate the images and just have an invisible button on top of it in interface builder?
我应该为图像设置动画并在界面构建器中在其顶部放置一个不可见的按钮吗？
Is there a way to animate them within defining the UIButton?
有没有办法在定义内为它们设置动画UIButton？
Or is it better to animate images and find the users touch point and act on that?
还是将图像动画化并找到用户接触点并对其采取行动更好？
回答by Mick MacCallum
You can do this using the imageView property of UIButton. This will allow the button to behave as it normally would with your images animating on it. Here's an example:
您可以使用 的 imageView 属性执行此操作UIButton。这将允许按钮像往常一样运行您的图像动画。下面是一个例子：
NSMutableArray *imageArray = [NSMutableArray new];
for (int i = 1; i < 4; i ++) {
[imageArray addObject:[UIImage imageNamed:[NSString stringWithFormat:@"%d.png",i]]];
}
[myButton setImage:[UIImage imageNamed:@"1.png"] forState:UIControlStateNormal];
[myButton.imageView setAnimationImages:[imageArray copy]];
[myButton.imageView setAnimationDuration:0.5];
[myButton.imageView startAnimating];
