我一直在到处找这个,但我似乎找不到。我知道如何解雇使用Objective-C键盘,但我不知道如何使用Swift?有人知道吗?
当前回答
使用IQKeyboardmanager,将帮助您解决简单.....
/////////////////////////////////////////
[如何禁用键盘..][1].
import UIKit
class ViewController: UIViewController,UITextFieldDelegate {
@IBOutlet weak var username: UITextField!
@IBOutlet weak var password: UITextField!
override func viewDidLoad() {
super.viewDidLoad()
username.delegate = self
password.delegate = self
// Do any additional setup after loading the view, typically from a nib.
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func textFieldShouldReturn(textField: UITextField!) -> Bool // called when 'return' key pressed. return NO to ignore.
{
textField.resignFirstResponder()
return true;
}
override func touchesBegan(_: Set<UITouch>, with: UIEvent?) {
username.resignFirstResponder()
password.resignFirstResponder()
self.view.endEditing(true)
}
}
其他回答
您还可以添加一个点击手势识别器来重新使用键盘。: D
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
let recognizer = UITapGestureRecognizer(target: self, action: Selector("handleTap:"))
backgroundView.addGestureRecognizer(recognizer)
}
func handleTap(recognizer: UITapGestureRecognizer) {
textField.resignFirstResponder()
textFieldtwo.resignFirstResponder()
textFieldthree.resignFirstResponder()
println("tappped")
}
这一行代码辞去了UIView中所有UITextField的键盘
self.view.endEditing(true)
我更喜欢这样一句话:
view.addGestureRecognizer(UITapGestureRecognizer(target: self, action: "dismissKeyboardFromView:"))
只要把它放在override viewDidLoad函数中,不管你想让它发生在哪个子类UIViewController中,然后把下面的代码放在你的项目中的一个新的空文件中,名为“UIViewController+dismissKeyboard.swift”:
import UIKit
extension UIViewController {
// This function is called when the tap is recognized
func dismissKeyboardFromView(sender: UITapGestureRecognizer?) {
let view = sender?.view
view?.endEditing(true)
}
}
我发现最好的解决方案包括来自@Esqarrouth的接受答案,并进行了一些调整:
extension UIViewController {
func hideKeyboardWhenTappedAround() {
let tap: UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: "dismissKeyboardView")
tap.cancelsTouchesInView = false
view.addGestureRecognizer(tap)
}
func dismissKeyboardView() {
view.endEditing(true)
}
}
电话响了。cancelsTouchesInView = false是关键的:它确保UITapGestureRecognizer不会阻止视图上的其他元素接收用户交互。
方法解雇键盘()被更改为稍微不那么优雅的解雇keyboardview()。这是因为在我的项目相当旧的代码库中,有很多次已经使用了dismissKeyboard()(我想这并不少见),导致编译器问题。
然后,如上所述,这个行为可以在各个视图控制器中启用:
override func viewDidLoad() {
super.viewDidLoad()
self.hideKeyboardWhenTappedAround()
}
如果你有其他视图也应该接收触摸,你必须设置 cancelsTouchesInView = false
是这样的:
let elsewhereTap = UITapGestureRecognizer(target: self, action: #selector(dismissKeyboard))
elsewhereTap.cancelsTouchesInView = false
self.view.addGestureRecognizer(elsewhereTap)
推荐文章
- 如何删除默认的导航栏空间在SwiftUI导航视图
- 如何在iOS中使用Swift编程segue
- Swift -整数转换为小时/分钟/秒
- 如何舍入一个双到最近的Int在迅速?
- 扁平化数组的数组在Swift
- Swift:声明一个空字典
- 在成功提交我的应用程序后,“太多符号文件”
- 从数组中随机选择一个元素
- 首先添加一个UIView,甚至是导航栏
- 我如何改变UIButton标题颜色?
- 在Swift中如何调用GCD主线程上的参数方法?
- NSLayoutConstraints是可动画的吗?
- iOS -构建失败,CocoaPods无法找到头文件
- CFNetwork SSLHandshake iOS 9失败
- swift语言中的结构与类