ios - 自定义导航栏后退按钮标题

Question

我想要带有操作的自定义导航栏后退按钮标题。

我的图片:

我需要这样的后退按钮。这里我成功添加了文本，但没有返回箭头。这里我的代码有后退按钮的操作。

这是我的代码

    //Custom barButtonItem with custom alert function
    self.navigationItem.hidesBackButton = true
    let newBackButton = UIBarButtonItem(title: "< Dialer", style: .plain, target: self, action: #selector(back(sender:)))
    self.navigationItem.leftBarButtonItem = newBackButton

当我添加上面的代码时，它变得像这样。

Answer 1

func backButtonConfiguration(_ title : String, backImageName : String) {
    let backImage : UIImage = UIImage(named: backImageName)!
    self.navigationBar.backIndicatorImage = backImage.withRenderingMode(.alwaysTemplate)
    self.navigationBar.backIndicatorTransitionMaskImage = backImage
    self.navigationBar.backItem?.title = title
}

更新

如果我们需要后退按钮的自定义操作，那么我们必须添加自定义 BarButtonItem。如果我们需要栏后退按钮看起来与内置后退按钮相同，那么我们可以创建自定义 View 并将其用作栏按钮项目

  weak var customView : UIView!

  lazy var leftBarButtonView : UIBarButtonItem! = {
    let btnBack = UIBarButtonItem(customView: customView)
    let gesture = UITapGestureRecognizer(target: self, action: #selector(btnButtonClicked(_:)))
    gesture.numberOfTapsRequired = 1
    self.customView.addGestureRecognizer(gesture)
    self.customView.isUserInteractionEnabled = true
    return btnBack
  }()

  @objc func btnButtonClicked(_ gesture : UITapGestureRecognizer) {
    self.navigationController?.popViewController(animated: true)
  }

 self.navigationItem.leftBarButtonItems = [leftBarButtonView]