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在 AppDelegate.m 中:我添加了标签栏:

[self.window addSubview:self.tabBarController.view];

在 TrangchuViewController.m 中:我想在顶部添加一个导航控制器以查看 thongtinCanhanViewController。

- (void) pushThongtinCaNhan:(id)paramSender{
    ThongtinCanhanViewController *thongtinCanhanViewController =[[ThongtinCanhanViewController alloc]
                                                                 initWithNibName:nil
                                                                 bundle:NULL];
    [self.thongtinCanhanNavigationController pushViewController:thongtinCanhanViewController
                                                       animated:YES];
}
- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    self.view.backgroundColor = [UIColor colorWithPatternImage: [UIImage imageNamed:@"trangchuBackground@2x.png"]];

    self.thongtinCanhanViewController = [[ThongtinCanhanViewController alloc]
                                         initWithNibName:nil
                                         bundle:NULL];
    self.thongtinCanhanNavigationController = [[UINavigationController alloc]
                                               initWithRootViewController:self.thongtinCanhanViewController];
    [self.view addSubview:self.thongtinCanhanNavigationController.view];
    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Setting"
                                                                              style:UIBarButtonItemStylePlain
                                                                             target:self
                                                                             action:@selector(pushThongtinCaNhan:)];

}

但是,当启动时,虽然我在导航上有触摸按钮,但 thongtinCanhanViewController 显示为默认值。我不想要这个。另外,为什么 thongtinCanhanViewController 显示在 trangchuViewController 下?它必须显示出来。

在此处输入图像描述

请帮我注意我的代码中的错误?非常感谢。

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