Question

我正在尝试以编程方式关闭屏幕键盘，我的代码如下所示

override func viewDidLoad() {
    NSNotificationCenter.defaultCenter().addObserver(self, selector: Selector("keyboardWillShow:"), name:UIKeyboardWillShowNotification, object: nil);
    NSNotificationCenter.defaultCenter().addObserver(self, selector: Selector("keyboardWillHide:"), name:UIKeyboardWillHideNotification, object: nil);
}

func keyboardWillShow(notification: NSNotification) {
    var info = notification.userInfo!
    let keyboardFrame: CGRect = (info[UIKeyboardFrameEndUserInfoKey] as! NSValue).CGRectValue()
    UIView.animateWithDuration(0.1, animations: { () -> Void in
        self.Bottomspace.constant = keyboardFrame.size.height
    })
}

func keyboardWillHide(notification: NSNotification){
    self.Bottomspace.constant = 0
}

适用于iPhone 6和iPad，但iPhone 5和iPhone 5s没有任何建议吗？

Answer 1

试试这个：

 // Dismiss Keyboard when user touch screen
    override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?) {
        self.view.endEditing(true)
    }

让我知道它是否有效！

Answer 2

将UITextFieldDelegate添加到类声明：

class ViewController: UIViewController, UITextFieldDelegate

连接文本字段或以编程方式编写

@IBOutlet weak var userText: UITextField!

将视图控制器设置为视图中的委托文本字段加载：

override func viewDidLoad() {
super.viewDidLoad()
self.userText.delegate = self
}

添加此委托

func textFieldShouldReturn(userText: UITextField!) -> Bool {
yourtextfield.resignFirstResponder()
return true;
}

无法解除iPhone 5和iPhone5s的键盘问题

2 个答案: