将嵌套在容器视图控制器中的UINavigationController添加到UITabBarController [英] Add a UINavigationController nested inside a container view controller to a UITabBarController

问题描述

我将 UIViewController （红色）设置为 UITabBarController 的第一个标签，如下面的故事板所示。此视图控制器是一个容器视图控制器，并在其 contentView 中加载 UINavigationController （红色视图控制器内的白色矩形） ）。

I have a UIViewController (red) set as the first tab of a UITabBarController as shown in the storyboard below. This view controller is a container view controller and loads a UINavigationController inside its contentView (the white rectangle inside the red view controller).

这是我在红色视图控制器的 contentView 中加载导航控制器的代码：

This is my code for loading the navigation controller inside the red view controller's contentView:

- (void)viewDidLoad
{
    [super viewDidLoad];

    // instantiate navigation controller
    UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"Main" bundle:nil];
    UINavigationController *navigationVC = [storyboard instantiateViewControllerWithIdentifier:@"N"];

    // place navigation controller inside content view
    [self addChildViewController:navigationVC];
    navigationVC.view.frame = self.containerView.bounds;
    [self.containerView addSubview:navigationVC.view];
    [navigationVC didMoveToParentViewController:self];
}

根据我对视图控制器控制的了解，这个应该工作，因为我明确设置导航控制器的框架。但是，当 tableView 中有足够的单元格超过容器的高度时， tableView 当我向下滚动时我已将 tableView 的 backgroundColor 设置为 orange 和单元格的 backgroundColor 到 white 以查看差异。

From what I know about view controller containment this should work as I am explicitly setting the frame for the navigation controller. However, when there are enough cells in the tableView to exceed the container's height there is always a bar at the end of the tableView when I scroll down. I have set the tableView's backgroundColor to orange and the cell's backgroundColor to white in order to see the difference.

如何消除橙色差距结束 tableView ？

How do I get rid of that orange gap at the end of the tableView?

（注意：我不使用autolayout和我需要一个适用于iOS7 和 iOS6的解决方案。）

(Note: I am not using autolayout and I need a solution that works for both - iOS7 and iOS6.)

推荐答案

我知道你也是寻找适用于iOS 6的答案，但在iOS 7及以上版本中你可以使用

I know you are also looking for an answer which works on iOS 6, but on iOS 7 and above you can use

self.extendedLayoutIncludesOpaqueBars = YES;

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