问题描述
我尝试了很多来找出UIBarButtonItem的发光效果。现在我正在创建一个UIButton并将其作为UIBarButton的customView。有没有人有任何其他方法可以让它更容易？ （就像UIBarButtonItem的内置属性）
I tried a lot to find out the glow effect for UIBarButtonItem. Now am doing by creating a UIButton and making it as the customView for the UIBarButton. Do anyone have any other methods to make it much more easier? (like a inbuilt property for UIBarButtonItem)
推荐答案
你的意思是你触摸按钮时的效果？这是UIButton上的属性（也可以从Interface Builder访问）;
You mean the effect you get when you touch an button? That is a property on an UIButton (also accessible from Interface Builder);
@property(nonatomic) BOOL showsTouchWhenHighlighted
所以......
UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
button.showsTouchWhenHighlighted = YES;
如果您编写UIBarButtonItem的子类并将此代码放在某处，那么它很容易（而不是凌乱）重新使用它。我不确定是否还有其他办法。
If you write a subclass of UIBarButtonItem and put this code in there somewhere it is really easy (and not messy) to re-use it. I'm not sure if there is any other way.
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