隱藏UINavigationBar和UIStatusBar後的視圖頂部的黑色空間

我想通過隱藏UINavigationBar和UIStatusBar使全屏的View（UIBubbleTable實例躺在視圖控制器視圖的頂部）。但由於某些原因黑色空間保持在頂部：隱藏UINavigationBar和UIStatusBar後的視圖頂部的黑色空間

NSLog(@"view frame before:%@", NSStringFromCGRect(self.view.frame)); 
    NSLog(@"view bounds before:%@", NSStringFromCGRect(self.view.bounds)); 
    NSLog(@"bubble table frame before:%@", NSStringFromCGRect(self.bubbleTable.frame)); 
    NSLog(@"bubble table bounds before:%@", NSStringFromCGRect(self.bubbleTable.bounds)); 

    [self.view hideKeyboard]; 
    [[UIApplication sharedApplication] setStatusBarHidden:YES]; 
    self.navigationController.navigationBar.hidden = YES; 
    self.containerView.hidden = YES; 

    [self.view setFrame:[[UIScreen mainScreen] bounds]]; 
    [self.bubbleTable setFrame:self.view.bounds]; 

    NSLog(@"view frame after:%@", NSStringFromCGRect(self.view.frame)); 
    NSLog(@"view bounds after:%@", NSStringFromCGRect(self.view.bounds)); 
    NSLog(@"bubble table frame after:%@", NSStringFromCGRect(self.bubbleTable.frame)); 
    NSLog(@"bubble table bounds after:%@", NSStringFromCGRect(self.bubbleTable.bounds));

的NSLog：

2013-07-06 22:05:18.068 KIM[5085:c07] view frame before:{{0, 0}, {320, 504}} 
2013-07-06 22:05:18.068 KIM[5085:c07] view bounds before:{{0, 0}, {320, 504}} 
2013-07-06 22:05:18.069 KIM[5085:c07] bubble table frame before:{{0, 0}, {320, 248}} 
2013-07-06 22:05:18.069 KIM[5085:c07] bubble table bounds before:{{0, 934}, {320, 248}} 
2013-07-06 22:05:18.072 KIM[5085:c07] view frame after:{{0, 0}, {320, 568}} 
2013-07-06 22:05:18.072 KIM[5085:c07] view bounds after:{{0, 0}, {320, 568}} 
2013-07-06 22:05:18.072 KIM[5085:c07] bubble table frame after:{{0, 0}, {320, 568}} 
2013-07-06 22:05:18.072 KIM[5085:c07] bubble table bounds after:{{0, 614}, {320, 568}}

它的外觀上的模擬器： enter image description here

爲什麼發生這種情況，所有的框架和範圍似乎是正確（0,0）？該怎麼辦？

來源

2013-07-06 wzbozon

您是否嘗試過重新啓動xcode和模擬器？設備上是否發生同樣的情況？我在一個乾淨的項目中嘗試了你的代碼，並且完全沒有黑線。 – Yan

可能做產品 - >清潔 – Yan

請試試這個API：

[self.navigationController setNavigationBarHidden:YES animated:YES];

有一次，我的黑條時從不同的視圖控制器石棉水泥，和上面的API救了我。

來源

2013-07-07 02:49:06 Andrew

也救我... –

隱藏UINavigationBar和UIStatusBar後的視圖頂部的黑色空間

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