我想知道如何使键盘消失时,用户触摸以外的UITextField。
当前回答
只是在这里添加我的版本如何在外部触摸时取消键盘。
viewDidLoad:
UITapGestureRecognizer *singleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleSingleTap:)];
[self.view addGestureRecognizer:singleTap];
在任何地方:
-(void)handleSingleTap:(UITapGestureRecognizer *)sender{
[textFieldName resignFirstResponder];
puts("Dismissed the keyboard");
}
其他回答
这一定是通过触摸外部隐藏键盘的最简单方法:
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
[self.view endEditing:YES];
}
(从如何解散键盘时,用户点击其他区域以外的文本框?)
- (void)viewDidLoad
{
[super viewDidLoad];
UITapGestureRecognizer *singleTapGestureRecognizer = [[UITapGestureRecognizer alloc]
initWithTarget:self
action:@selector(handleSingleTap:)];
[singleTapGestureRecognizer setNumberOfTapsRequired:1];
[singleTapGestureRecognizer requireGestureRecognizerToFail:singleTapGestureRecognizer];
[self.view addGestureRecognizer:singleTapGestureRecognizer];
}
- (void)handleSingleTap:(UITapGestureRecognizer *)recognizer
{
[self.view endEditing:YES];
[textField resignFirstResponder];
[scrollView setContentOffset:CGPointMake(0, -40) animated:YES];
}
最简单和最短的方法之一是将此代码添加到viewDidLoad
[self.view addGestureRecognizer:[[UITapGestureRecognizer alloc]
initWithTarget:self.view
action:@selector(endEditing:)]];
Swift版本,这与其他元素(如UIButton或另一个UITextField)结合使用:
override func viewDidLoad() {
super.viewDidLoad()
let tapper = UITapGestureRecognizer(target: self, action:#selector(endEditing))
tapper.cancelsTouchesInView = false
view.addGestureRecognizer(tapper)
}
设置文本字段委托视图didload: 重载函数viewDidLoad() { super.viewDidLoad () self. usertext .delegate = self } 添加此函数: func textFieldShouldReturn(userText: UITextField! { userText.resignFirstResponder () 返回true; }
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