用swift编程语言隐藏文本字段的键盘

问题描述

我对Objective-C的经验不多。我想使用Swift编程语言隐藏文本字段的键盘。

我也试过这个

  func textFieldShouldReturn（textField：UITextField！） - > Bool //按下'return'键时调用。返回NO忽略。 
 {
返回true; 
} 
  

但是当我点击返回时，该方法没有被触发。任何人都有运气吗？

解决方案

我认为问题在于设置代表。

请将textfield委托给你的ViewController，如下所示

  class ViewController：UIViewController，UITextFieldDelegate {
  

然后为您的文本字段创建IBOutlet

  @IBOutlet var txtTest：UITextField = nil 
  

确保它连接到故事板视图中的文本字段。

最后使用

<$ p $设置其代理p> txtTest.delegate = self


我们差不多完成了。现在将此委托函数放入您的类中。

  func textFieldShouldReturn（textField：UITextField！） - > Bool //按下'return'键时调用。返回NO忽略。 
 {
 textField.resignFirstResponder（）
返回true; 
} 
  

希望这能解决您的问题。

I have little experience in Objective-C. I want to hide the keyboard for a text field using the Swift programming language.

I also tried this

func textFieldShouldReturn(textField: UITextField!) -> Bool // called when 'return' key pressed. return NO to ignore.
{
    return true;
}

But the method is not getting triggered when I hit return. Anyone have any luck with this?

解决方案

I think the Problem is with setting the Delegate.

Please set textfield Delegate to your ViewController like this

class ViewController: UIViewController,UITextFieldDelegate {

and then create the IBOutlet for your text field like this

@IBOutlet var txtTest : UITextField = nil

make sure that it is connected to your text field on your view in storyboard.

finally set its Delegate using

txtTest.delegate=self

We are almost done. Now place this delegate function into your class.

func textFieldShouldReturn(textField: UITextField!) -> Bool // called when 'return' key pressed. return NO to ignore.
    {
        textField.resignFirstResponder()
        return true;
    }

Hope this will solve your issue.

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