我想知道如何使键盘消失时,用户触摸以外的UITextField。
当前回答
在我的新发展中,我以巴里为例。它工作得很好!但我不得不包括一个轻微的变化,要求解散键盘,只有文本字段被编辑。
所以,我在Barry的例子中加入了以下内容:
- (void) textFieldDidBeginEditing:(UITextField *)textField
{
_textBeingEdited = textField;
}
-(void) textFieldDidEndEditing:(UITextField *)textField
{
_textBeingEdited = nil;
}
同时,我修改了hideKeyboard方法如下:
- (IBAction)hideKeyboard:(id)sender
{
// Just call resignFirstResponder on all UITextFields and UITextViews in this VC
// Why? Because it works and checking which one was last active gets messy.
//UITextField * tf = (UITextField *) sender;
[_textBeingEdited resignFirstResponder];
}
其他回答
如果我得到你的权利,你想辞职键盘狡猾敲在文本字段之外,但你没有你的文本字段的引用。
试试这个;
Take global textField, lets call it reftextField Now in textFieldDidBeginEditing set referenced text field to - (void) textFieldDidBeginEditing:(UITextField *)textField{ reftextField = textField; } Now you can happily use on any button clock, (adding a transparent button on begin editing recomended) - (void)dismissKeyboard { [reftextField resignFirstResponder]; } Or for resigning done button try this. //for resigning on done button - (BOOL) textFieldShouldReturn:(UITextField *)textField{ [textField resignFirstResponder]; return YES; }
- (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];
}
对于那些在Swift中挣扎的人。这是Jensen2k在Swift中接受的答案。
斯威夫特2.3
override func viewDidLoad() {
//.....
let viewTapGestureRec = UITapGestureRecognizer(target: self, action: #selector(handleViewTap(_:)))
//this line is important
viewTapGestureRec.cancelsTouchesInView = false
self.view.addGestureRecognizer(viewTapGestureRec)
//.....
}
func handleViewTap(recognizer: UIGestureRecognizer) {
myTextField.resignFirstResponder()
}
在swift 5中,你可以使用以下代码来解除文本域外的键盘
override func viewDidLoad() {
// ... code
let tapGesture = UITapGestureRecognizer(target: self, action: #selector(self.dismissKeyboard(_:)))
self.view.addGestureRecognizer(tapGesture)
}
@objc func dismissKeyboard(_ sender: UITapGestureRecognizer) {
self.view.endEditing(true)
}
所以我只需要解决这个问题,之前的答案都不适用。我的情况是:一个UISearchBar,加上屏幕上的一些其他控件。我想在搜索栏之外点击键盘,但不传播到任何其他控件。当键盘被隐藏时,我希望所有的控制都能工作。
我做了什么:
1)在我的视图控制器中实现一个自定义触摸处理程序。
override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?)
{
if searchBar.isFirstResponder()
{
// This causes the first responder, whoever it is, to resign first responder, and hide the keyboard.
// We also "eat" the touch here and not allow it to propagate further.
view.endEditing(true)
}
else
{
// OK to propagate the touch
super.touchesBegan(touches, withEvent: event)
}
}
2)添加了一对委托方法(我的是UISearchBar,但也有类似的UITextField)。下面代码中的controlContainerView是一个UIView,里面有一堆按钮。记住,在父视图上设置userInteractionEnabled会禁用它的所有子视图。
func searchBarTextDidBeginEditing(searchBar: UISearchBar)
{
controlContainerView.userInteractionEnabled = false
someButton.userInteractionEnabled = false
}
func searchBarTextDidEndEditing(searchBar: UISearchBar)
{
searchBar.resignFirstResponder()
// Done editing: enable the other controls again.
controlContainerView.userInteractionEnabled = false
someButton.userInteractionEnabled = false
}
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