我目前正在制作一个包含UITextFields的应用程序,它们一直按预期工作,但当我最近去测试我的应用程序时,我注意到在按下UITextField后键盘不会关闭。以前,当我点击离开或按回车键时,它看起来像是正常的解雇,但现在我不能做任何事情让它解雇?
这是我当前的ViewController代码:

import UIKit

class CreateNewBudgetVC: UIViewController {
    @IBOutlet weak var grossIncomeVal: UITextField!
    @IBOutlet weak var locationVal: UITextField!
    @IBOutlet weak var federalExptVal: UITextField!
    @IBOutlet weak var stateExptVal: UITextField!
    @IBOutlet weak var deductionsList: UITableView!

    @IBAction func cancelPressed(_ sender: Any) {
        performSegue(withIdentifier: "CancelSegue", sender: self)
    }

    @IBAction func generateBudgetPressed(_ sender: Any) {
        let budget = Budget(grossIncome: Int(grossIncomeVal.text!)!)
        performSegue(withIdentifier: "GenerateSegue", sender: budget)
    }

    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        if let budget = sender as? Budget, let destination = segue.destination as? BudgetVC {
            destination.budget = budget
        }
    }
}

最佳答案

只是使用

self.view.endEditing(true)

在上面定义的操作方法中,您要在其中关闭键盘。
对于eg
    @IBAction func cancelPressed(_ sender: Any) {
        self.view.endEditing(true)
        performSegue(withIdentifier: "CancelSegue", sender: self)
    }

如果您想在键盘的return tap中返回键盘,请使用以下命令
class ViewController: UIViewController,UITextFieldDelegate

并实现委托方法
func textFieldShouldReturn(_ textField: UITextField) -> Bool {   //delegate method
   textField.resignFirstResponder()
   return true
}

但别忘了分配delegate to textfield
yourTextField.delegate = self in `viewDidLoad`

如果你想在外边点击时关闭键盘,只需为你的视图指定一个点击手势,如下所示
在视图中加载
let tapGesture = UITapGestureRecognizer(target: self, action: #selector(self.dismissKeyboard (_:)))
self.view.addGestureRecognizer(tapGesture)

执行解除功能
func dismissKeyboard (_ sender: UITapGestureRecognizer) {
self.view.endEditing(true)
}

10-05 20:58
查看更多