Ios 当用户单击背景中的任何项目时，请移除键盘

当用户单击背景或视图上的任何其他项目时，我想取出键盘

我发现下面的代码将使其生效。但我应该把它加在哪里呢

[self.view endEditing:YES];

---

我的所有UI组件都是通过编程方式创建的

非常简单，您只需在.m文件中实现以下代码：

-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{

[self.view endEditing:YES];

}

---

这就行了

非常简单，您只需在.m文件中实现以下代码：

-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{

[self.view endEditing:YES];

}

这就行了

使用下面的代码

UITapGestureRecognizer *recognizer;
recognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:nil];
recognizer.numberOfTouchesRequired=1;
[self.view addGestureRecognizer:recognizer];
 recognizer.delegate = self;

- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer
{
    [userName resignFirstResponder];
    [passWord resignFirstResponder];
    return NO;
}

使用下面的代码

UITapGestureRecognizer *recognizer;
recognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:nil];
recognizer.numberOfTouchesRequired=1;
[self.view addGestureRecognizer:recognizer];
 recognizer.delegate = self;

- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer
{
    [userName resignFirstResponder];
    [passWord resignFirstResponder];
    return NO;
}