视图抖动动画

// 视图抖动动画

+ (void)shakeView:(UIView *)view duration:(CGFloat)fDuration

{

    if (view && (fDuration >= 0.1f))

    {

        CABasicAnimation* shake = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];

        //设置抖动幅度

        shake.fromValue = [NSNumber numberWithFloat:-0.3];

        shake.toValue = [NSNumber numberWithFloat:+0.3];

        shake.duration = 0.1f;

        shake.repeatCount = fDuration/4/0.1f;

        shake.autoreverses = YES;

        [view.layer addAnimation:shake forKey:@"shakeView"];

    }else{}

}