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  • UINavgationController

    UINavigationBarUINavigationItem是iOS开发中常用的控件。
     

    1.设置导航栏标题

    self.title = @"iOS开发:iOSDevTip";
    
    
    

    2.设置导航栏样式

    设置方法:

    [self.navigationController.navigationBar setBarStyle:UIBarStyleBlack];
    
    
    

    UIBarStyle的样式:

    typedef NS_ENUM(NSInteger, UIBarStyle) {
        UIBarStyleDefault          = 0,
        UIBarStyleBlack            = 1,
    
        UIBarStyleBlackOpaque      = 1, // Deprecated. Use UIBarStyleBlack
        UIBarStyleBlackTranslucent = 2, // Deprecated. Use UIBarStyleBlack and set the translucent property to YES
    };
    
    
    

    UIBarStyleDefault是默认样式,UIBarStyleBlack是黑色不透明。UIBarStyleBlackOpaqueUIBarStyleBlackTranslucent这两个已经废弃了。

    如果想设置导航栏透明,可以加上下面这句代码:

    self.navigationController.navigationBar.translucent = YES;
    
    
    

    3.修改返回按钮title

    self.navigationItem.title = @"test";
    
    
    

    4.隐藏返回按钮title

    比较笨的方法是:

    self.navigationItem.title = @"";
    
    
    

    还可以这样设置:

    [[UIBarButtonItem appearance] setBackButtonTitlePositionAdjustment:UIOffsetMake(0, -60) forBarMetrics:UIBarMetricsDefault];
    
    
    

    5.设置leftBarButtonItem

    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"back" style:UIBarButtonItemStylePlain target:self action:@selector(back:)];
    
    - (void)back:(id)sender
    {
        [self.navigationController popViewControllerAnimated:YES];
    }
    
    
    

    6.左滑返回手势失效了怎么办

    如果按上一步设置leftBarButtonItem之后,左滑返回手势就会失效。设置一下UIGestureRecognizerDelegate代理即可:

    self.navigationController.interactivePopGestureRecognizer.delegate = self;
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  • 原文地址:https://www.cnblogs.com/xiu619544553/p/5195034.html
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