类似长按图标抖动一样

#define RADIANS(degrees) ((degrees * M_PI) / 180.0)

    CGAffineTransform leftWobble = CGAffineTransformRotate(CGAffineTransformIdentity, RADIANS(-1.0));

    CGAffineTransform rightWobble = CGAffineTransformRotate(CGAffineTransformIdentity, RADIANS(1.0));

    self.view.transform = leftWobble;

    [UIView beginAnimations:@"wobble" context:self.view];

    [UIView setAnimationRepeatAutoreverses:YES];

    [UIView setAnimationRepeatCount:10];

    [UIView setAnimationDuration:0.08];

    [UIView setAnimationDelegate:self];

    [UIView setAnimationDidStopSelector:@selector(wobbleEnded:finished:context:)];

    self.view.transform = rightWobble;

    [UIView commitAnimations];

- (void) wobbleEnded:(NSString *)animationID finished:(NSNumber *)finished context:(void *)context {

    if ([finished boolValue])

    {

        UIView* item = (UIView *)context;

        item.transform = CGAffineTransformIdentity;

    }

}