点击它时如何将子视图带到前面？ [英] How to bring a subview to the front when you tap it?

问题描述

我有一个关于它的大约30个子视图的视图。我想在子视图的viewcontroller中添加代码，这样当我点击子视图时，子视图会扩展以填充屏幕。

I have a view with about 30 subviews on it. I want to add code in my subview's viewcontroller so that when I tap the subview, the subview expands to fill the screen.

我正在使用 [self.view setFrame：rect] 展开子视图，这很好用。问题是其他29个子视图中的一些超出了我刚刚点击的子视图，因此它们仍然可见。

I'm using [self.view setFrame:rect] to expand the subview, and this works fine. The problem is that some of the other 29 subviews are above the subview that I just tapped, so they're still visible.

我尝试过使用来自父视图控制器的bringSubviewToFront ，但这似乎没有任何效果。是否有任何代码可以放在我的子视图的viewcontroller类中以实现这一点？

I've tried using bringSubviewToFront from the parent viewcontroller, but this appears to have no effect. Is there any code I can put in my subview's viewcontroller class to make this happen?

推荐答案

bringSubviewToFront应该可以工作，只需确保你'正确使用它。用法是。

bringSubviewToFront should work, just make sure you're using it correctly. The usage is.

[parentView bringSubviewToFront:childView];

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