IOS抖动动画----很好用！

原文地址：

https://www.jianshu.com/p/d894e8bf8adc

#pragma mark 抖动
- (void)shakeView:(UIView*)viewToShake
{
    CGFloat t =4.0;
    CGAffineTransform translateRight  =CGAffineTransformTranslate(CGAffineTransformIdentity, t,0.0);
    CGAffineTransform translateLeft =CGAffineTransformTranslate(CGAffineTransformIdentity,-t,0.0);
    viewToShake.transform = translateLeft;
    [UIView animateWithDuration:0.07 delay:0.0 options:UIViewAnimationOptionAutoreverse | UIViewAnimationOptionRepeat animations:^{
        [UIView setAnimationRepeatCount:2.0];
        viewToShake.transform = translateRight;
    } completion:^(BOOL finished){
        if(finished){
            [UIView animateWithDuration:0.05 delay:0.0 options:UIViewAnimationOptionBeginFromCurrentState animations:^{
                viewToShake.transform =CGAffineTransformIdentity;
            } completion:NULL];
        }
    }];
}