當navigationBarHidden = NO時，如何修復「空白」區域

Question

我正在旋轉類似於iTunes應用程序的視圖。在肖像是一個桌面和風景是照片查看器。

當我從風景回到縱向時，我嘗試恢復導航欄，但是卻得到了失真的tableview，沒有導航欄。

這是我做的：

- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation 
          duration:(NSTimeInterval)duration { 
BOOL restoreNav = NO; 

if ((toInterfaceOrientation == UIInterfaceOrientationPortrait) || 
    (toInterfaceOrientation == UIInterfaceOrientationPortraitUpsideDown)) { 
    [self inPortrait]; 
    restoreNav = YES; 
} else { 
    [self inLandscape]; 
} 

if (self.landscape) 
{ 
    if (toInterfaceOrientation == UIInterfaceOrientationPortrait) 
    { 
     self.view = self.portrait; 
    } 
    else if (toInterfaceOrientation == UIInterfaceOrientationLandscapeLeft) 
    { 
     self.view = self.landscape; 
    } 
    else if (toInterfaceOrientation == UIInterfaceOrientationPortraitUpsideDown) 
    { 
     self.view = self.portrait; 
    } 
    else if (toInterfaceOrientation == UIInterfaceOrientationLandscapeRight) 
    { 
     self.view = self.landscape; 
    }  
    [[self.navigationController view] setFrame: [[UIScreen mainScreen] bounds]]; 
} else { 
    self.navigationController.navigationBarHidden = NO; 
} 

[super willRotateToInterfaceOrientation:toInterfaceOrientation duration:duration]; 

Answer 1

我發現了一個半修復該http://www.iphonedevsdk.com/forum/iphone-sdk-development/3262-horrible-drawing-after-hiding-navigationbar.html

這是相關代碼：

- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation { 
//total hack - to fix the bug where the screen layout is shagged if the device orientation 
//is changed when the navigation is hidden 

if ([self.navigationController isNavigationBarHidden]) 
{ 
    [self.navigationController setNavigationBarHidden:NO animated:NO]; 
    [self.navigationController setNavigationBarHidden:TRUE animated:NO]; 
} 

}

然而，如果顯示導航欄，又是一團糟。