如何更改导航栏上“后退”按钮的标题

当前左边栏按钮的默认值是加载当前视图的视图的标题，换句话说，当按下按钮(后退按钮)时显示的视图。

我想把按钮上显示的文本更改为其他内容。

我试着把下面这行代码放在视图控制器的viewDidLoad方法中，但它似乎不起作用。

self.navigationItem.leftBarButtonItem.title = @"Log Out";

我该怎么办?

谢谢。

当前回答

使用下面的代码行:

UIBarButtonItem *newBackButton =
[[UIBarButtonItem alloc] initWithTitle:@"hello"
                                 style:UIBarButtonItemStylePlain
                                target:nil
                                action:nil];

self.navigationItem.leftBarButtonItems =[[NSArray alloc] initWithObjects:newBackButton, nil];

self.navigationItem.leftItemsSupplementBackButton = YES;

2016-03-30 12:48:57

其他回答

self.navigationController.navigationBar.backItem.title = @"TEXT";

在Swift中:

self.navigationController?.navigationBar.backItem?.title = "TEXT"

2011-09-06 08:49:47

在Swift/iOS8中，以下方法对我来说是有效的:

let backButton = UIBarButtonItem(
      title: "Back Button Text",
      style: UIBarButtonItemStyle.Bordered,
      target: nil,
      action: nil
);

self.navigationController.navigationBar.topItem.backBarButtonItem = backButton;

从斐利贝的回答转过来。

2014-08-22 00:04:09

斯威夫特版本:

在你的子ViewController中:

override func viewWillAppear(animated: Bool) {
    super.viewWillAppear(animated)
    self.navigationController?.navigationBar.backItem?.title = "TEXT"
}

2015-11-27 15:19:31

这应该放在调用名为NewTitle的ViewController的方法中。就在push或popViewController语句之前。

UIBarButtonItem *newBackButton = 
        [[UIBarButtonItem alloc] initWithTitle:@"NewTitle" 
                                         style:UIBarButtonItemStyleBordered 
                                        target:nil 
                                        action:nil];
[[self navigationItem] setBackBarButtonItem:newBackButton];
[newBackButton release];

2009-09-19 19:58:37

我们有两个VC A和B。

如果你想在B中更改标题，请在A中编写这段代码

- (IBAction)goToBViewController:(UIButton *)sender {

    BViewController *vc = [self.storyboard instantiateViewControllerWithIdentifier:@"VC"];
    UIBarButtonItem *newBackButton = [[UIBarButtonItem alloc] initWithTitle:@"Your title here"
                                                                  style:UIBarButtonItemStylePlain
                                                                 target:nil
                                                                 action:nil];
    [[self navigationItem] setBackBarButtonItem:newBackButton];
    [self.navigationController pushViewController:vc animated:NO];

}

Swift 4.1 Xcode 9.4

let secondViewController = self.storyboard?.instantiateViewController(withIdentifier: "VC"])
let newBackButton = UIBarButtonItem.init(title: "Your title here", style: UIBarButtonItemStyle.plain, target: nil, action: nil)
navigationController?.navigationBar.topItem?.backBarButtonItem = newBackButton
navigationController?.pushViewController(secondViewController!, animated: true)

2018-02-16 08:31:53

如何更改导航栏上“后退”按钮的标题

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