ios开发--animation flash动画

/**

 *  showAnimationFlash

 */

+ (void)showAnimationFlashWithView:(UIView *)animationView duration:(CGFloat)duration {

    CAKeyframeAnimation *popAnimation = [CAKeyframeAnimation animationWithKeyPath:@"transform"];

    if (!duration) {

        popAnimation.duration = .8;

    }

    popAnimation.duration = duration;

    popAnimation.values = @[[NSValue valueWithCATransform3D:CATransform3DMakeScale(0.0f, 0.01f, 1.0f)],[NSValue valueWithCATransform3D:CATransform3DMakeScale(1.1f, 1.1, 1.0f)],[NSValue valueWithCATransform3D:CATransform3DMakeScale(0.9f, 0.9, 1.0f)],[NSValue valueWithCATransform3D:CATransform3DIdentity]];

    popAnimation.keyTimes = @[@0.2f,@0.5f,@0.75f,@1.0f];

    popAnimation.timingFunctions = @[[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut],[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]];

    [animationView.layer addAnimation:popAnimation forKey:nil];

}