UISearchBar背景透明,去掉背景,自定义背景

来源：互联网发布：51单片机指令集ppt 编辑：程序博客网时间：2024/04/27 03:29

//初始化一个搜索框
UISeachBar *seachBar=[[UISearchBar alloc] init];
//修改搜索框背景
seachBar.backgroundColor=[UIColor clearColor];
//1.去掉搜索框背景
[[searchbar.subviews objectAtIndex:0] removeFromSuperview];

//2.
for (UIView *subview in seachBar.subviews)
{
if ([subview isKindOfClass:NSClassFromString(@”UISearchBarBackground”)])
{
[subview removeFromSuperview];
break;
}
}

//3自定义背景
UIImageView *imageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@”40-di.png”]];
[mySearchBar insertSubview:imageView atIndex:1];
[imageView release];

//4输入搜索文字时隐藏搜索按钮，清空时显示
- (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar {
searchBar.showsScopeBar = YES;
[searchBar sizeToFit];
[searchBar setShowsCancelButton:YES animated:YES];
return YES;
}
- (BOOL)searchBarShouldEndEditing:(UISearchBar *)searchBar {
searchBar.showsScopeBar = NO;
[searchBar sizeToFit];
[searchBar setShowsCancelButton:NO animated:YES];
return YES;
}

//5 改变搜索按钮文字改变UISearchBar取消按钮字体
for(id cc in [searchBar subviews])
{
if([cc isKindOfClass:[UIButton class]])
{
UIButton btn = (UIButton )cc;
[btn setTitle:@”搜索” forState:UIControlStateNormal];
}
}

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