_searchBar = [[UISearchBar alloc] initWithFrame:CGRectZero];// 初始化,不解释
[self.searchBar setPlaceholder:@"Search"];// 搜索框的占位符
[self.searchBar setPrompt:@"Prompt"];// 顶部提示文本,相当于控件的Title
[self.searchBar setBarStyle:UIBarMetricsDefault];// 搜索框样式
[self.searchBar setTintColor:[UIColor blackColor]];// 搜索框的颜色,当设置此属性时,barStyle将失效
[self.searchBar setTranslucent:YES];// 设置是否透明
[self.searchBar setBackgroundImage:[UIImage imageNamed:@"image0"]];// 设置背景图片
[self.searchBar setSearchFieldBackgroundImage:[UIImage imageNamed:@"image3"] forState:UIControlStateNormal];// 设置搜索框中文本框的背景
[self.searchBar setSearchFieldBackgroundImage:[UIImage imageNamed:@"image0"] forState:UIControlStateHighlighted];
[self.searchBar setSearchFieldBackgroundPositionAdjustment:UIOffsetMake(30, 30)];// 设置搜索框中文本框的背景的偏移量
[self.searchBar setSearchResultsButtonSelected:NO];// 设置搜索结果按钮是否选中
[self.searchBar setShowsSearchResultsButton:YES];// 是否显示搜索结果按钮
[self.searchBar setSearchTextPositionAdjustment:UIOffsetMake(30, 0)];// 设置搜索框中文本框的文本偏移量
[self.searchBar setInputAccessoryView:_btnHide];// 提供一个遮盖视图
[self.searchBar setKeyboardType:UIKeyboardTypeEmailAddress];// 设置键盘样式
// 设置搜索框下边的分栏条
[self.searchBar setShowsScopeBar:YES];// 是否显示分栏条
[self.searchBar setScopeButtonTitles:[NSArray arrayWithObjects:@"Singer",@"Song",@"Album", nil]];// 分栏条,栏目
[self.searchBar setScopeBarBackgroundImage:[UIImage imageNamed:@"image3"]];// 分栏条的背景颜色
[self.searchBar setSelectedScopeButtonIndex:1];// 分栏条默认选中的按钮的下标
[self.searchBar setShowsBookmarkButton:YES];// 是否显示右侧的“书图标”
[self.searchBar setShowsCancelButton:YES];// 是否显示取消按钮
[self.searchBar setShowsCancelButton:YES animated:YES];
// 是否提供自动修正功能(这个方法一般都不用的)
[self.searchBar setSpellCheckingType:UITextSpellCheckingTypeYes];// 设置自动检查的类型
[self.searchBar setAutocorrectionType:UITextAutocorrectionTypeDefault];// 是否提供自动修正功能,一般设置为UITextAutocorrectionTypeDefault
self.searchBar.delegate = self;// 设置代理
[self.searchBar sizeToFit];
myTableView.contentInset = UIEdgeInsetsMake(CGRectGetHeight(self.searchBar.bounds), 0, 0, 0);
[self.view addSubview:myTableView];
[myTableView addSubview:self.searchBar];
pragma mark - UISearchBarDelegate 协议
// UISearchBar得到焦点并开始编辑时,执行该方法
- (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar{
[self.searchBar setShowsCancelButton:YES animated:YES];
[self.navigationController setNavigationBarHidden:YES animated:YES];
[self controlAccessoryView:0.9];// 显示遮盖层。
return YES;
}
// 取消按钮被按下时,执行的方法
- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar{
[self.searchBar resignFirstResponder];
[self.searchBar setShowsCancelButton:NO animated:YES];
[liveViewAreaTable searchDataBySearchString:nil];// 搜索tableView数据
[self.navigationController setNavigationBarHidden:NO animated:YES];
[self controlAccessoryView:0];// 隐藏遮盖层。
}
// 键盘中,搜索按钮被按下,执行的方法
- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar{
NSLog(@"---%@",searchBar.text);
[self.searchBar resignFirstResponder];// 放弃第一响应者
[liveViewAreaTable searchDataBySearchString:searchBar.text];
[self.navigationController setNavigationBarHidden:NO animated:YES];
[self controlAccessoryView:0];// 隐藏遮盖层。
}
// 当搜索内容变化时,执行该方法。很有用,可以实现时实搜索
- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText;{
NSLog(@"textDidChange---%@",searchBar.text);
[liveViewAreaTable searchDataBySearchString:searchBar.text];// 搜索tableView数据
[self controlAccessoryView:0];// 隐藏遮盖层。
}
3.遍历UISearchBar控件的子控件,这样可以针对不同的子视图来设置外观了。
for(id subView in [self.searchBar subviews]){
if([subView isKindOfClass:[UIButton class]]){
UIButton *btn = (UIButton *)subView;
[btn setTitle:@"取消" forState:UIControlStateNormal];
}
}