Navigation Controller navigationBar

最新推荐文章于 2021-11-17 09:40:30 发布

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最新推荐文章于 2021-11-17 09:40:30 发布

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原文链接：http://www.cnblogs.com/zhangdadi/archive/2012/11/21/2780117.html

本文介绍如何使用Objective-C创建自定义导航栏，并设置了背景图片和返回按钮。通过实例代码展示了UINavigationBar和UINavigationItem的具体配置方法。

UINavigationBar *navigationBar = [[UINavigationBar alloc] initWithFrame:CGRectMake(0, 0, 320, 44)];
    navigationBar.tintColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"image_bottomBarBackground.png"]];
    
    UINavigationItem* navItem = [[UINavigationItem alloc] initWithTitle:@"查看"];
    
    UIBarButtonItem *backButton = [[UIBarButtonItem alloc]
                                   initWithImage:[UIImage imageNamed:@"backButton.png"]
                                   style:UIBarButtonItemStylePlain target:self
                                   action:@selector(backButtonClick)];
    navItem.leftBarButtonItem = backButton;
    [backButton release];
    
    
    
    [navigationBar pushNavigationItem:navItem animated:NO];
    [navItem release];
    
    [self.view addSubview:navigationBar];
    [navigationBar release];