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的結構是這樣的嵌入導航控制器隱藏在視圖控制器導航項目
標籤欄控制器 - >導航欄（項目） - >視圖控制器（在右手側的一些按鈕。當我只使用導航欄它被正確地工作，但現在的導航欄是越來越與空白的導航欄替換
override func viewWillAppear(animated: Bool) {
currentUserId = PFUser.currentUser()!.objectId! as String
self.navigationController?.setToolbarHidden(true, animated: true)
if (isSegue == "CurrentUser")
{
UserId = PFUser.currentUser()!.objectId! as String
self.navigationItem.title = "My Album"
}
else
{
self.navigationItem.title = userName
self.navigationItem.rightBarButtonItems = nil
}
//added to make navigation bar black - Subodh
let nav = self.navigationController?.navigationBar
var image = UIImage(named: "xxxxxxx")
image = image?.imageWithRenderingMode(UIImageRenderingMode.AlwaysOriginal)
self.navigationItem.leftBarButtonItem = UIBarButtonItem(image: image, style: UIBarButtonItemStyle.Done, target: self, action: "leftBarButtonPressed")
nav?.barStyle = UIBarStyle.Black
nav?.tintColor = UIColor.whiteColor()
self.navigationController!.toolbar.barTintColor = UIColor.blackColor();
self.navigationController?.hidesBarsOnTap = false
self.tabBarController?.hidesBottomBarWhenPushed = true
self.collectionView.reloadData()
}
：
在視圖控制器，導航欄的屬性是從加載。導航上有兩個按鈕酒吧，當我運行代碼時不顯示。我試圖從標籤視圖控制器隱藏導航欄self.tabBarController?.hidesBottomBarWhenPushed = true ，但它不工作。也爲tabcontroller我只能設置標題不是其他的東西。所以我該如何處理？