给 UIView 圆角

Giving UIView rounded corners(给 UIView 圆角)

问题描述

我的登录视图有一个子视图，其中有一个 UIActivityView 和一个 UILabel 表示正在登录...".此子视图具有未圆角的角.我怎样才能使它们变圆?

My login view has a subview which has a UIActivityView and a UILabel saying "Signing In…". This subview has corners which aren't rounded. How can I make them round?

有什么办法可以在我的 xib 中做到这一点吗?

Is there any way to do it inside my xib?

推荐答案

试试这个

#import <QuartzCore/QuartzCore.h> // not necessary for 10 years now  :)

...

view.layer.cornerRadius = 5;
view.layer.masksToBounds = true;

注意:如果您尝试对 UIViewController 的视图应用圆角，则不应在视图控制器的构造函数中应用圆角，而应在 -viewDidLoad 中应用, view 实际实例化之后.

Note: If you are trying to apply rounded corners to a UIViewController's view, it should not be applied in the view controller's constructor, but rather in -viewDidLoad, after view is actually instantiated.

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