隐藏UISearchBar明文按钮

我想知道如何隐藏或不显示出现在UISearchBar的textField的UISearchBar交叉

我试过用这个

 filterSearchBar.showsCancelButton = NO; 

然而，这是一个实际的取消按钮，而不是小的灰色十字架，所以我想知道UISearchBar中显示的小灰色按钮是否等效。

任何帮助，将不胜感激。

Answer 1

您需要获取搜索栏的textField：

 UITextField *textField = [searchBar valueForKey:@"_searchField"]; textField.clearButtonMode = UITextFieldViewModeNever; 

希望这个帮助！ =）

Answer 2

有一种更好的方法，您不必使用私有API或遍历子视图来执行此操作，因此此解决方案是App Store安全的。

UISearchBar有一个内置的API来执行此操作：

[UISearchBar setImage：forSearchBarIcon：state]

您想要的SearchBar图标键是UISearchBarIconClear，您需要UIControlStateNormal状态。 然后给它一个清晰的图像图像，你就完成了。

所以，它应该是这样的：

 [searchBar setImage:clearImage forSearchBarIcon:UISearchBarIconClear state:UIControlStateNormal]; 

Answer 3

根据@Gines的回答，这是Swift版本：

 func searchBarTextDidBeginEditing(searchBar: UISearchBar) {    guard let firstSubview = searchBar.subviews.first else { return }    firstSubview.subviews.forEach {    ($0 as? UITextField)?.clearButtonMode = .never    } } 

Answer 4

您可以删除所有UISearchBar实例的明文按钮：

 [UITextField appearanceWhenContainedInInstancesOfClasses:@[[UISearchBar class]]].clearButtonMode = UITextFieldViewModeNever; 

Answer 5

Swift 3，基于@Alexsander回答：

 searchBar.setImage(UIImage(), for: .clear, state: .normal) 

Answer 6

斯威夫特4

在清除按钮上添加Alexander的答案并阻止用户交互：

要隐藏按钮：

 searchBar.setImage(UIImage(), for: .clear, state: .normal) 

要在清除按钮上禁用用户交互，只需子类化UISearchBar

 class CustomSearchBar: UISearchBar { override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? { let view = super.hitTest(point, with: event) if view is UIButton { return view?.superview // this will pass-through all touches that would've been sent to the button } return view } } 

Answer 7

我尝试了关于这个问题的不同解决方案，即使是在这篇文章中选择的那个，但是它们没有用。

这是我找到解决此问题的方法：

 UIView *subview = [[searchBar subviews] firstObject]; //SearchBar only have one subview (UIView) //There are three sub subviews (UISearchBarBackground, UINavigationButton, UISearchBarTextField) for (UIView *subsubview in subview.subviews) { //The UISearchBarTextField class is a UITextField. We can't use UISearchBarTextField directly here. if ([subsubview isKindOfClass: [UITextField class]]) { [(UITextField *)subsubview setClearButtonMode:UITextFieldViewModeNever]; } } 

Answer 8

尝试这个：

 - (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText { UITextField *textField = [searchBar valueForKey:@"_searchField"]; textField.clearButtonMode = UITextFieldViewModeNever; } 

Answer 9

Swift 3解决方案：

 extension UISearchBar{ var textField : UITextField{ return self.value(forKey: "_searchField") as! UITextField } } 

用法：

 searchBar.textField.clearButtonMode = .never 

Answer 10

在Swift 2.3的情况下，只需使用：

 var searchBar = UISearchBar(); searchBar.frame = CGRectMake(0, 0, 00, 20)) for subview: UIView in (searchBar.subviews.first?.subviews)! { if (subview.isKindOfClass(UITextField) ) { let textFieldObject = (subview as! UITextField) textFieldObject.clearButtonMode = .Never; } } 

Answer 11

Swift 2.3，基于@Alexsander回答：

 searchBar.setImage(UIImage(named: "SearchClearIcon"), forSearchBarIcon: UISearchBarIcon.Clear, state: UIControlState.Highlighted) searchBar.setImage(UIImage(named: "SearchClearIcon"), forSearchBarIcon: UISearchBarIcon.Clear, state: UIControlState.Normal) 

Answer 12

将Soto_iGhost的答案转换为Swift 4：

 func searchBarTextDidBeginEditing(_ searchBar: UISearchBar) { let textField: UITextField = searchBar.value(forKey: "_searchField") as! UITextField textField.clearButtonMode = .never } 

如果你有一个UISearchBar的出口，你可以在你class上的任何地方写上面的代码。