Question

我使用以下代码从以下页面进入评分页面，如果您在顶部查看，则使用以下代码自定义后退箭头

箭头代码-我也将其放入viewDidLoad

override func viewWillAppear(_ animated: Bool) {
        
        let backImage = UIImage(named: "back")
        navigationController?.navigationBar.backIndicatorImage = backImage
        navigationController?.navigationBar.backIndicatorTransitionMaskImage = backImage
      

    navigationController?.navigationBar.topItem?.backBarButtonItem = UIBarButtonItem(title: "", style: .plain, target: self, action: #selector(backButtonHandler))

 @objc func backButtonHandler() {
       
        _ = self.navigationController?.popToRootViewController(animated: false)
    }
        
        //----
        
       
        
        
        
    }

//要导航的代码

cell.rateButton.addTarget(self, action: #selector(gotoRatings), for: .touchUpInside)



@objc func gotoRatings() {
   
                    rateDetailView.restaurant = restaurant
        
            navigationController?.pushViewController(rateDetailView, animated: true)
    }

现在，出现我在@DonMag的帮助下完成的评级页面，当我选择一个评级并返回到详细信息页面以显示评级表情符号时，自定义后退按钮消失，默认<- back出现把我带回到评分页面而不是主页..

我如何选择评分并转到下面的详细页面代码-

@objc func addRatings(_ sender: UIButton) {
      
        let detailReturn = DetailViewController()

               if let rating = sender.titleLabel?.text {
                 self.restaurant.rating = rating
                   if let appDelegat = (UIApplication.shared.delegate as? AppDelegate) {
                   
                  
                       appDelegat.saveContext()
                   
                   }
               }
               
               
              detailReturn.restaurant = restaurant
      
            self.navigationController?.pushViewController(detailReturn, animated: false)
      //  navigationController?.popToViewController(detailReturn, animated: true)
    }

那我该怎么做以确保我没有得到这个默认的后退按钮，这使我陷入了详细信息和评级页面之间的循环中，但却将我带到如下所示的根屏幕

我尝试过

_ = navigationController?.popViewController(animated: true)

但是一旦我对其进行测试，什么都不会真正起作用

默认导航栏后退按钮不会消失

0 个答案: