如何为removeFromSuperview设置动画 [英] How to animate removeFromSuperview

问题描述

我通过以下方式为子视图的外观设置了动画：

I animated the appearance of my subview with:

CATransition *transition = [CATransition animation];
transition.duration = 0.3;
transition.type = kCATransitionReveal;
[webView.layer addAnimation:transition forKey:nil];

[self.view addSubview:webView];

但现在我要删除我的subView。如何添加动画来执行此操作？像其他CATransition一样？什么时候加？在addSubview之前或之后？

But now I want to remove my subView. How can I add animation to do this? Like other CATransition? When to add this? Before or after addSubview?

推荐答案

那么你可以先做动画并在 animationEndListener call removeFromSuperView

Well you could do the animation first and on the animationEndListener call removeFromSuperView

[UIView animateWithDuration:0.5
    delay:1.0
    options: UIViewAnimationOptionCurveEaseOut
    animations:^{
        yourView.alpha = 0;
    }completion:^(BOOL finished){
        [yourView removeFromSuperview];
    }];

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