Xcode 快速删除按钮
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时间：2020-09-15 08:15:16 来源:igfitidea点击:
Xcode swift remove button
提问by Mat Koffman
I add a button like this:
我添加一个这样的按钮：
var button: UIButton!
button = UIButton(type: UIButtonType.System) as UIButton
button.frame = CGRectMake(screenWidth/2-50, 40, 100, 50)
button.addTarget(self, action: "buttonAction:", forControlEvents: UIControlEvents.TouchUpInside)
self.view.addSubview(button)
And then I want to remove it with this code:
然后我想用这个代码删除它：
self.button.removeFromSuperview()
But it doesn't disappear. Why doesn't it disappears?
但它不会消失。为什么不消失？
回答by drdrdrdr
If you connect the button to your code by creating an IBOutlet, you can remove it from the view with:
如果通过创建 IBOutlet 将按钮连接到代码，则可以使用以下命令将其从视图中删除：
button.hidden = true
