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)
}