我为动画创建的以下方法:
-(void)shakingAnimationForGate:(UIImageView *)image leftShaking:(CGAffineTransform)leftTransform rightShaking:(CGAffineTransform)rightTransform animationName:(NSString *)string{
[UIView animateWithDuration:5.0
delay:0.5
options: UIViewAnimationOptionCurveEaseOut
animations:^{
image.transform = leftTransform; // starting point
[UIView beginAnimations:string context:(__bridge void *)(image)];
[UIView setAnimationRepeatAutoreverses:YES]; // important
[UIView setAnimationRepeatCount:20];
[UIView setAnimationDelay:0.1];
[UIView setAnimationDuration:0.06];
[UIView setAnimationDelegate:self];
[UIView setAnimationDidStopSelector:@selector(shakeEnded:finished:context:)];
image.transform = rightTransform; // end here & auto-reverse
[UIView commitAnimations];
}
completion:^(BOOL finished){
NSLog(@"end of shaking");
}];
}
这使得 UIView 做“摇晃”。
然后我使用这种方法:
CGAffineTransform leftShake = CGAffineTransformMakeTranslation(-2, 6);
CGAffineTransform rightShake = CGAffineTransformMakeTranslation(0, 3);
[self shakingAnimationForGate:imageLeft leftShaking:leftShake rightShaking:rightShake animationName:@"left view shake"];
其中imageLeft是UIImageView。
所以我的问题是这种方法在 iOS 6.1 上不做抖动动画。不过,它在 iOS 7 上运行良好。有什么想法有什么问题吗?