返回 textField 时的 UITableView 错误

Posted 2023-03-04

【中文标题】返回 textField 时的 UITableView 错误

【英文标题】：UITableView bug when returning textField

【发布时间】：2016-02-10 19:58:13

【问题描述】：

我使用此代码将第一响应者从一个 textField 更改为另一个。每个文本字段标签 = 行 + 100 第一个文本字段的标签（第二行）= 101 代码有效：

func textFieldShouldReturn(textField: UITextField) -> Bool 
    textField.textColor = UIColor.darkTextColor()
    let nextTag = textField.tag + 1;
    // Try to find next responder
    let cell = self.tableView.cellForRowAtIndexPath(NSIndexPath(forRow: nextTag-100, inSection: 0))
    if(cell == nil)
    

        return false
    
    let nextResponder = cell!.viewWithTag(nextTag) as UIResponder!
    self.view.frame.origin.y = 0
    if (nextResponder != nil)
        // Found next responder, so set it.

        nextResponder?.becomeFirstResponder()
    
    else
    
        // Not found, so remove keyboard
        textField.resignFirstResponder()

    
    return false // We do not want UITextField to insert line-breaks.
    

要更改导航栏，我使用以下代码：

func setNavigationBar()

    self.edgesForExtendedLayout = UIRectEdge.Bottom
    self.extendedLayoutIncludesOpaqueBars = false
    self.automaticallyAdjustsScrollViewInsets = true
    self.navigationController?.navigationBarHidden = false
    self.navigationController?.navigationBar.backgroundColor = UIColor.whiteColor()
    self.navigationController?.navigationBar.setBackgroundImage(UIImage.fromColor(.whiteColor()), forBarMetrics: UIBarMetrics.Default)
    self.navigationController?.view.backgroundColor = UIColor.whiteColor()
    self.navigationController?.navigationBar.translucent = true
    self.navigationItem.setHidesBackButton(true, animated: false)
    self.navigationItem.title = NSLocalizedString("REGISTRATION_TITLE", comment: "")
    self.navigationItem.rightBarButtonItem = UIBarButtonItem(image: UIImage(named: "cross_exit"), style:UIBarButtonItemStyle.Plain , target: self, action: "getBackToAuth")
    self.navigationController?.navigationBar.tintColor = self.specificGrayColor
    self.navigationController?.navigationBar.titleTextAttributes = [NSForegroundColorAttributeName : UIColor.blackColor(),NSFontAttributeName: UIFont(name: "HelveticaNeue-Light", size: 17)!]

但是

self.edgesForExtendedLayout = UIRectEdge.Bottom

返回后效果消失...

before I tap next After I tap done when filled in last textField

【参考方案1】：

这可能是由 IQKeyboardSwift 库引起的。 你可以试试

override func viewWillAppear(_ animated: Bool) 
    super.viewWillAppear(animated)
    IQKeyboardManager.shared.enable = false


override func viewWillDisappear(_ animated: Bool) 
    super.viewWillDisappear(animated)
    IQKeyboardManager.shared.enable = true

希望能帮到你。