UINavigationBar Tips

设置所有导航栏的属性:

let allNavigationBar = UINavigationBar.appearance()
//设置allNavigationBar的属性...

更改导航栏的背景颜色:

navigationBar.barTintColor = UIColor.blackColor()

更改导航栏的文字颜色:

navigationBar.titleTextAttributes = [NSForegroundColorAttributeName: UIColor.white]

更改导航栏的标题字体及颜色:

if let barFont = UIFont(name: "Avenir-Light", size: 24.0)  {
            
    navigationBar.titleTextAttributes = [
        NSForegroundColorAttributeName : UIColor.whiteColor(),
        NSFontAttributeName : barFont
    ]
}

更改返回按钮文字
例如: 页面1条转到页面2，更改页面2返回按钮的标题，把下面代码加入页面1的viewDidLoad方法中

navigationItem.backBarButtonItem = UIBarButtonItem(title: "", style: .plain, target: nil, action: nil)

去掉更改全部导航的返回按钮文字

let allBarButtonItem = UIBarButtonItem.appearance()
  allBarButtonItem.setBackButtonTitlePositionAdjustment(UIOffset(horizontal: 0, vertical: -60), for: .default)

更改返回按钮颜色

navigationBar.tintColor = UIColor.white

取消半透明:

navigationBar.isTranslucent = false

设置主界面隐藏navigationBar,跳转后显示出来

override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)
    navigationController?.setNavigationBarHidden(true, animated: false)
}
    
override func viewWillDisappear(_ animated: Bool) {
    super.viewWillDisappear(animated)
    navigationController?.setNavigationBarHidden(false, animated: false)
}

禁用侧滑手势

 navigationController?.interactivePopGestureRecognizer?.isEnabled = false

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UINavigationBar Tips