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
你可以在XCode 6及以上版本中使用Storyboard:
创建隐藏键盘的动作
将这个添加到ViewController使用的类的头文件中:
@interface TimeDelayViewController : UIViewController <UITextFieldDelegate>
- (IBAction)dissmissKeyboardOnTap:(id)sender;
@end
然后将这个添加到同一个ViewController的实现文件中:
- (IBAction)dissmissKeyboardOnTap:(id)sender{
[[self view]endEditing:YES];
}
这将是你的故事板场景(即ViewController)的“Received Actions”之一:
将操作连接到用户事件
现在,您需要将这个动作与触碰键盘的用户手势连接起来。
重要-你需要将包含在故事板中的“UIView”转换为UIControl,这样它就可以接收事件。从视图控制器场景层次结构中选择视图:
...并更改其类:
现在从你的场景的“received action”旁边的小圆圈拖到你的场景的“空”部分(实际上你是在把“received action”拖到UIControl上)。你会看到一个事件的选择,你可以连接你的行动:
选择“touch up inside”选项。现在,您已经将创建的IBAction连接到触碰键盘的用户操作。当用户点击键盘时,它将被隐藏。
(注意:要将动作与事件挂钩,你也可以从接收到的动作直接拖到视图控制器层次结构中的UIControl上。它在层次结构中显示为“Control”。)
看看这个,这是最简单的方法,
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{
[self.view endEditing:YES];// this will do the trick
}
Or
这个库将处理包括滚动条自动滚动,点击空间隐藏键盘等…
https://github.com/michaeltyson/TPKeyboardAvoiding
@Jensen2k回答的Swift版本:
let gestureRecognizer : UITapGestureRecognizer = UITapGestureRecognizer.init(target: self, action: "dismissKeyboard")
self.view.addGestureRecognizer(gestureRecognizer)
func dismissKeyboard() {
aTextField.resignFirstResponder()
}
一个衬套
self.view.addTapGesture(UITapGestureRecognizer.init(target: self, action: "endEditing:"))
这是
在本例中,aTextField是唯一的UITextField....如果有其他的uitextview,还有一点点事情要做。
// YourViewController.h
// ...
@interface YourViewController : UIViewController /* some subclass of UIViewController */ <UITextFieldDelegate> // <-- add this protocol
// ...
@end
// YourViewController.m
@interface YourViewController ()
@property (nonatomic, strong, readonly) UITapGestureRecognizer *singleTapRecognizer;
@end
// ...
@implementation
@synthesize singleTapRecognizer = _singleTapRecognizer;
// ...
- (void)viewDidLoad
{
[super viewDidLoad];
// your other init code here
[self.view addGestureRecognizer:self.singleTapRecognizer];
{
- (UITapGestureRecognizer *)singleTapRecognizer
{
if (nil == _singleTapRecognizer) {
_singleTapRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(singleTapToDismissKeyboard:)];
_singleTapRecognizer.cancelsTouchesInView = NO; // absolutely required, otherwise "tap" eats events.
}
return _singleTapRecognizer;
}
// Something inside this VC's view was tapped (except the navbar/toolbar)
- (void)singleTapToDismissKeyboard:(UITapGestureRecognizer *)sender
{
NSLog(@"singleTap");
[self hideKeyboard:sender];
}
// When the "Return" key is pressed on the on-screen keyboard, hide the keyboard.
// for protocol UITextFieldDelegate
- (BOOL)textFieldShouldReturn:(UITextField*)textField
{
NSLog(@"Return pressed");
[self hideKeyboard:textField];
return YES;
}
- (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.
[aTextField resignFirstResponder];
NSLog(@"keyboard hidden");
}
这个怎么样:我知道这是一个老帖子。它可能会帮助某些人:)
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
NSArray *subviews = [self.view subviews];
for (id objects in subviews) {
if ([objects isKindOfClass:[UITextField class]]) {
UITextField *theTextField = objects;
if ([objects isFirstResponder]) {
[theTextField resignFirstResponder];
}
}
}
}
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