我想知道如何使键盘消失时,用户触摸以外的UITextField。
当前回答
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];
}
}
}
}
其他回答
你可以为UiView创建类别并重写touchesBegan方法,如下所示。
这对我来说很好。这是一种集中解决这一问题的方法。
#import "UIView+Keyboard.h"
@implementation UIView(Keyboard)
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
[self.window endEditing:true];
[super touchesBegan:touches withEvent:event];
}
@end
斯威夫特4
用这个扩展方法设置你的UIViewController,例如在viewDidLoad中:
override func viewDidLoad() {
super.viewDidLoad()
self.setupHideKeyboardOnTap()
}
即使点击导航栏,键盘也会被取消。
import UIKit
extension UIViewController {
/// Call this once to dismiss open keyboards by tapping anywhere in the view controller
func setupHideKeyboardOnTap() {
self.view.addGestureRecognizer(self.endEditingRecognizer())
self.navigationController?.navigationBar.addGestureRecognizer(self.endEditingRecognizer())
}
/// Dismisses the keyboard from self.view
private func endEditingRecognizer() -> UIGestureRecognizer {
let tap = UITapGestureRecognizer(target: self.view, action: #selector(self.view.endEditing(_:)))
tap.cancelsTouchesInView = false
return tap
}
}
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];
}
}
}
}
最好是让你的UIView成为UIControl的一个实例(在界面构建器中),然后连接他们的TouchUpInside事件来解散键盘方法。这个IBAction方法看起来像:
- (IBAction)dismissKeyboard:(id)sender {
[aTextBox resignFirstResponder];
}
@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:"))
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