duang动画 弹出view~

//显示duang动画

- (void)animationShowView:(UIView *)view

{

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

    popAnimation.duration = 0.4;

    popAnimation.values = @[[NSValue valueWithCATransform3D:CATransform3DMakeScale(0.01f, 0.01f, 1.0f)],

                            [NSValue valueWithCATransform3D:CATransform3DMakeScale(1.1f, 1.1f, 1.0f)],

                            [NSValue valueWithCATransform3D:CATransform3DMakeScale(0.9f, 0.9f, 1.0f)],

                            [NSValue valueWithCATransform3D:CATransform3DIdentity]];

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

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

                                     [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut],

                                     [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]];

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

}