如何将UINavigation后退按钮更改为图像? [英] How to change UINavigation Back Button to an image?

问题描述

所以我有这些用于自定义导航栏和项目的图像，它们看起来像这样.当前，我已经设置了自定义导航栏，但是我不知道如何将默认的后退"按钮更改为下方的返回按钮图片，这是我想知道的吗?任何帮助将不胜感激.注意:我正在使用情节提要.谢谢

So I have these images that are used for a custom Nav bar and items, they look like this.Currently I have the custom nav bar set up, however I don't know how change the default "back" button to the back button image below, this is what I want to know? Any help would be greatly appreciated. Note: I am using storyboards. Thanks

这是导航栏:

这是我的后退按钮，我不知道该怎么做.

This is my back button that i don't know how to imlpement.

推荐答案

如果要向UINavigation添加返回按钮，请尝试以下操作:

首先创建后退按钮:

1.如果您不需要后退动作，请执行以下操作:

        UIBarButtonItem *myBackButton = [[UIBarButtonItem alloc] initWithTitle:@"Back"
        style:UIBarButtonItemStyleDone target:nil action:nil];

2.如果要创建带有图像的后退按钮，请尝试以下操作:

    UIBarButtonItem *myBackButton = [[UIBarButtonItem alloc] initWithImage:[UIImage
    imageNamed:@"yourImageName"] style:UIBarButtonItemStylePlain target:nil
    action:nil]

3.如果要创建带有图像和操作的后退按钮，请尝试以下操作:

    UIBarButtonItem *myBackButton = [[UIBarButtonItem alloc] initWithImage:[UIImage
    imageNamed:@"yourImageName"] style:UIBarButtonItemStylePlain target:self
    action:@selector(goBack:)]

    - (void)goBack:(id)sender {
        [self.navigationController popViewControllerAnimated:YES];
    }

创建后退按钮后，将其添加到NavigationBar:

self.navigationItem.backBarButtonItem = myBackButton;

添加可以在viewDidLoad方法中实现的后退按钮代码:

- (void)viewDidLoad {
    [super viewDidLoad];
    self.navigationItem.backBarButtonItem = myBackButton;
}

您需要更多信息，请参见: UIBarButtonItem类参考

And you need more information see this: UIBarButtonItem Class Reference

给您更多示例:

• 如何自定义导航栏和后退按钮
• 带有自定义后退按钮的UINavigationController(图片)
• 带有导航控制器的自定义后退按钮

• How to Customize Navigation Bar and Back Button
• UINavigationController with a Custom Back-Button (Image)
• Custom back button with a Navigation Controller

• 如何在导航栏中创建后退按钮
• 在导航中自定义UINavigationItem的后退按钮 酒吧
• 包含图像的UINavigationBar后退按钮

• how to create back button in navigation bar
• Customize the Back Button of UINavigationItem in the Navigation Bar
• UINavigationBar Back Button with images

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