前言
记录下常用的属性，方便查阅
正文
- 设置取消按钮文本
if (IOS9) {
[[UIBarButtonItem appearanceWhenContainedInInstancesOfClasses:@[[BESearchUserByNameVC class]]] setTitle:BluedLocalizedStringWithKey(@"gjp_cancel")];
} else {
[[UIBarButtonItem appearanceWhenContainedIn: [BESearchUserByNameVC class], nil] setTitle:BluedLocalizedStringWithKey(@"gjp_cancel")];
}
- 设置取消按钮颜色
searchBar.tintColor = [UIColor gjw_colorWithHex:0x616aff];
- 设置搜索框的背景，不是整个searchBar的背景
[searchBar setSearchFieldBackgroundImage:[UIImage imageNamed:@"common_searchBar_bg"] forState:UIControlStateNormal];
- 替换系统的搜索图标
[searchBar setImage:[UIImage imageNamed:@"common_searchBar_icon"] forSearchBarIcon:UISearchBarIconSearch state:UIControlStateNormal];
- 设置整个searchBar的背景
searchBar.backgroundImage = [UIImage gjw_imageWithColor:[UIColor gjw_colorWithHex:0xf4f4f4] size:self.searchController.searchBar.bounds.size];
- 获取搜索框的placeHoder，修改字体，颜色等
UITextField *searchField = [searchBar valueForKey:@"_searchField"];
[searchField setValue:[UIColor gjw_colorWithHex:0x848bff] forKeyPath:@"_placeholderLabel.textColor"];
[searchField setValue:TEXT_FONT(14) forKeyPath:@"_placeholderLabel.font"];
- 显式设置尺寸。在iOS8，iPhone4上使用
UISearchController的默认searchBar作为UITableView的tableHeaderView时，无法显示，估计是个系统bug
searchBar.frame = CGRectMake(0, 0, SCREEN_WIDTH, 44);
效果图
搜索状态
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