9

我需要一个带有取消按钮的完全透明的搜索栏。我尝试了很多解决方案，但我还没有找到更好的解决方案。当我尝试删除背景颜色时，它会显示范围栏。谁能给我一些带有can按钮的完全透明搜索栏的源代码。这里是

addSearchbar.backgroundColor = [UIColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:0.5];
UITextField *sbTextField = (UITextField *)[self.addSearchbar.subviews lastObject];

for (UIView *subview in addSearchbar.subviews)
{
    NSLog(@"%@",subview);
    if ([subview isKindOfClass:[UITextField class]])
    {
        sbTextField = (UITextField *)subview;
        UIImage *image = [UIImage imageNamed: @"06_magnifying_glass.png"];
        UIImageView *iView = [[UIImageView alloc] initWithImage:image];
        iView.frame = CGRectMake(0, 0, 24, 24);
        sbTextField.leftView.frame = CGRectMake(0, 0, 24, 24);
        sbTextField.leftView = iView;
        [sbTextField.rightView removeFromSuperview];
        CGFloat myWidth = 24.0f;
        CGFloat myHeight = 24.0f;
        UIButton *myButton = [[UIButton alloc] initWithFrame:CGRectMake(0.0f, 0.0f, myWidth, myHeight)];
        [myButton setImage:[UIImage imageNamed:@"clear.png"] forState:UIControlStateNormal];
        [myButton setImage:[UIImage imageNamed:@"clear.png"] forState:UIControlStateHighlighted];

        [myButton addTarget:self action:@selector(doClear:) forControlEvents:UIControlEventTouchUpInside];
        sbTextField.rightView = myButton;
        sbTextField.rightViewMode = UITextFieldViewModeWhileEditing;
        break;
    }
    if([subview isMemberOfClass:[UISegmentedControl class]])
    {
        UISegmentedControl *scopeBar=(UISegmentedControl *) subview;
        scopeBar.tintColor =  [UIColor clearColor];
    }
}
[sbTextField removeFromSuperview];
[addSearchbar addSubview:sbTextField];
[addSearchbar setSearchFieldBackgroundImage:[UIImage imageNamed:@"SearchBar.png"] forState:UIControlStateNormal];
CGRect sbFrame = self.addSearchbar.frame;
// Set the default height of a textfield
sbFrame.size.height = 31;

/* 8 is the top padding for textfield inside searchbar
 * You may need to add a variable to 8 according to your requirement.
 */
sbFrame.origin.y = 6+self.addSearchbar.frame.origin.y;
sbTextField.frame = sbFrame;
sbTextField.textColor = [UIColor lightGrayColor];
[sbTextField setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleBottomMargin];

需要一个带有取消按钮和清除按钮但没有范围栏的完全透明的搜索栏。

提前致谢

4

4 回答 4

24

从 iOS 5.0 开始，您可以执行以下操作：

UIImage *imgClear = [UIImage imageNamed:@"clear"];
[addSearchBar setImage:imgClear forSearchBarIcon:UISearchBarIconClear state:UIControlStateNormal];

而已。您可能还想为UIControlStateHighlighted状态重复该行。

您应该做的最后一件事是在搜索栏的子视图中进行挖掘。总有一天会断的。使用适当的 API 自定义任何控件。

于 2012-10-30T17:03:51.073 回答
5

请注意您先设置 UIControlHighlighted 状态图像，然后设置 UIControlStateNormal 状态图像，否则您可能会遇到 clearIcon 未设置为突出显示状态的问题。（不知道为什么会出现这个问题。）

[_searchBar setImage:[UIImage imageNamed:@"ClearIcon"] forSearchBarIcon:UISearchBarIconClear state:UIControlStateHighlighted];
[_searchBar setImage:[UIImage imageNamed:@"ClearIcon"] forSearchBarIcon:UISearchBarIconClear state:UIControlStateNormal];
于 2013-12-10T05:57:02.173 回答
2

对于那些在 Swift 中尝试这个的人（我知道有人会来这里寻找这个......）你去：

    self.searchBar.setImage(UIImage(named: "ico-cancel"), forSearchBarIcon: UISearchBarIcon.Clear, state: UIControlState.Normal)
    self.searchBar.setImage(UIImage(named: "ico-cancel"), forSearchBarIcon: UISearchBarIcon.Clear, state: UIControlState.Highlighted)

确保您的 Assets.xcassets 文件夹中有正确的图像。

于 2015-11-10T21:17:27.090 回答
0

以下是在没有新图标的情况下更改 UISearchBar 的 UITextField 中的放大镜和清除按钮图标的方法 ：

// Reference search display controller search bar's text field (in my case). 
UITextField *searchBarTextField = [self.searchDisplayController.searchBar valueForKey:@"_searchField"]; 

// Magnifying glass icon. 
UIImageView *leftImageView = (UIImageView *)searchBarTextField.leftView; 
leftImageView.image = [LeftImageView.image imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate]; 
leftImageView.tintColor = [UIColor whiteColor]; 

   // Clear button 
UIButton *clearButton = [searchBarTextField valueForKey:@"_clearButton"]; 
[clearButton setImage:[clearButton.imageView.image imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate] forState:UIControlStateNormal];
clearButton.tintColor = [UIColor whiteColor];
于 2016-12-22T09:45:49.720 回答