为iPhone UIButton的片头动画 [英] UIBUtton title animation for iPhone

问题描述

我想提出一个动画自定义的UIButton的标题，这样的数字（每个标题显示了一个随机分配的数字）会来旋转。我怎样才能做到这一点？

I want to put an animation to custom UIButton's title so that the numbers (each title shows a random assigned number) will come rotating. How can i do that?

问题是我不希望做到这一点使用翻转图像数。我想知道是否有任何其他方式。

The problem is i don't want to do this using flipping number images. i am wondering if there is any other way.

推荐答案

假设你有一个名为按钮 flipLabelButton 连接为 IBOutlet中您的视图控制器，你可以使用这个code到您的按钮动画到一个新的标签：

Assuming that you have a button called flipLabelButton connected as IBOutlet to your view controller, you can use this code to animate your button to a new label:

- (IBAction)flipLabelText:(id)sender {
    NSString *newText = [NSString stringWithFormat:@"%d", rand() % 100];
    [UIView beginAnimations:@"flipbutton" context:NULL];
    [UIView setAnimationDuration:1.0];
    [UIView setAnimationTransition:UIViewAnimationTransitionFlipFromRight forView:self.flipLabelButton cache:YES];
    [self.flipLabelButton setTitle:newText forState:UIControlStateNormal];
    [UIView commitAnimations];
}

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