iOS 7 SDK-UI导航栏有时会变暗，有时不会变暗.但为什么? [英] iOS 7 SDK - UI Navigation Bar is sometimes darker and sometimes not. But why?

问题描述

我正在努力将我的应用程序移植到iOS 7，除了一件事情外，它的运行非常好.我使用了新的半透明背景，但并未将其关闭.

I am working on porting my app to iOS 7 and it works very good except one thing. I use the new Translucent background and did not turn it off.

我刚刚注意到，我的导航栏比ABUnknownPersonViewController委托导航栏要暗一些.我附上了截图.有人可以给我解释一下吗?

I just noticed that my navigation bar is a little bit darker as the ABUnknownPersonViewController delegate navigationbar. I attached a screenshot. Can someone explain me this?

我希望具有与ABUnknownPersonViewController中的导航栏颜色完全相同的默认颜色.

I would like to have the exact same navigation bar color as in the ABUnknownPersonViewController as default.

我希望有人可以向我解释一下.

I hope someone can explain me this.

问候

推荐答案

我只是自己弄清楚了.导航栏的颜色发生了变化，因为我使用了以下代码行:

I just figured it out myself. The navigation bar color changes because i use the following line of code:

        if ([view respondsToSelector:@selector(edgesForExtendedLayout)])
           [view setEdgesForExtendedLayout: UIRectEdgeNone];

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