2012-09-26 35 views
4

IEverything在iOS 6之前正常工作。像往常一样,我在UINavigationController中有一个UIViewController子类。它的观点正在缩减大约20px,好像还有另一个状态栏在顶部。当我推回视线时,视图回到了正确的位置。我发现这是因为UIViewControllerWrapperView帧(通过使用self.view.superview GOT)在viewDidAppear在iOS6中,应用启动时UIViewController的视图位置错误

在应用程序启动了错不知何故在IOS 6

做的NSLog ...

self.view.frame: {{0, 0}, {768, 891}} // was {{0, 0}, {768, 911}} in iOS5.1 
self.view.superview: <UIViewControllerWrapperView: 0x9dddb80; frame = (0 20; 768 891); autoresize = W+H; layer = <CALayer: 0x9dddc30>> 
// was (0 0; 768 911); in iOS5.1 

push和pop视图后控制器(正确值)...

self.view.frame: {{0, 0}, {768, 911}} 
self.view.superview: <UIViewControllerWrapperView: 0x9dddb80; frame = (0 0; 768 911); autoresize = W+H; layer = <CALayer: 0x9dddc30>> 

它从来没有发生过。这在iOS 6中如何出现?

回答

2

这是我目前在viewDidAppear中的脏修复。

// fix wrong UIViewControllerWrapperView frame by moving up and extending it back 
CGRect wvFrame = self.view.superview.frame; 
if (wvFrame.origin.y > 0) { 
    wvFrame.size.height += wvFrame.origin.y; 
    wvFrame.origin.y = 0; 
    self.view.superview.frame = wvFrame; 
} 
1

有比接受的更好的解决办法。尝试在viewDidLoad中将wantsFullScreenLayout设置为YES。

self.wantsFullScreenLayout = YES; 
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