属性
- 创建
UISearchBar *searchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0, 50, 100, 60)];
- barStyle————控件的样式
searchBar.barStyle = UISearchBarStyleDefault;
UISearchBarStyleProminent 用我的邮件、消息和联系人
UISearchBarStyleMinimal 使用的日历,笔记和音乐
- prompt————显示在顶部的单行文字，通常作为一个提示行
searchBar.prompt = @"提示";
- text————显示在顶部的单行文字，通常作为一个提示行
searchBar.prompt = @"提示";
- placeholder————半透明的提示文字，输入搜索内容消失
searchBar.placeholder = @"请输入";
- showsBookmarkButton————是否在控件的右端显示一个书的按钮(没有文字的时候)
searchBar.showsBookmarkButton = YES;
- showsCancelButton————是否显示cancel按钮
searchBar.showsCancelButton = YES;
- showsSearchResultsButton————是否在控件的右端显示搜索结果按钮(没有文字的时候)
searchBar.showsSearchResultsButton = YES;
- searchResultsButtonSelected————搜索结果按钮是否被选中
searchBar.searchResultsButtonSelected = YES;
- tintColor————bar的颜色(具有渐变效果)
searchBar.tintColor = [UIColor redColor];
- translucent————指定控件是否会有透视效果
searchBar.translucent = YES;
- showsScopeBar————控制搜索栏下部的选择栏是否显示出来
searchBar.showsScopeBar = YES;
- selectedScopeButtonIndex————搜索栏下部的选择栏按钮的个数
searchBar.selectedScopeButtonIndex = 1;
- autocapitalizationType————首字母是否大写
textfield.autocapitalizationType = UITextAutocapitalizationTypeNone; //不自动大写
UITextAutocapitalizationTypeWords 单词首字母大写
UITextAutocapitalizationTypeSentences 句子的首字母大写
UITextAutocapitalizationTypeAllCharacters 所有字母都大写
- autocorrectionType————是否纠错
textfield.autocorrectionType = UITextAutocorrectionTypeDefault;
UITextAutocorrectionTypeNo 不自动纠错
UITextAutocorrectionTypeYes 自动纠错
- backgroundImage————设置控件背景图片
searchBar.backgroundImage = [UIImage imageNamed:@"1.png"];
- scopeBarBackgroundImage————设置搜索栏下部背景图片
searchBar.scopeBarBackgroundImage = [UIImage imageNamed:@"2.png"];
代理
- UISearchBar得到焦点并开始编辑时，执行该方法
-(BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar; // return NO to not become first responder
- 开始编辑时调用
-(void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar{ // called when text starts editing
[searchBar setShowsCancelButton:YES animated:YES]; // 动画显示取消按钮
}
- 将要结束编辑时调用
-(BOOL)searchBarShouldEndEditing:(UISearchBar *)searchBar; // return NO to not resign first responder
- 结束编辑时调用
-(void)searchBarTextDidEndEditing:(UISearchBar *)searchBar; // called when text ends editing
- 内容发生改变时调用
-(void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText{ // called when text changes (including clear)
按钮点击方法
- 点击搜索按钮时调用
-(void)searchBarSearchButtonClicked:(UISearchBar *)searchBar; // called when keyboard search button pressed
- 点击书按钮时调用
-(void)searchBarBookmarkButtonClicked:(UISearchBar *)searchBar; // called when bookmark button pressed
- 点击取消按钮时调用
-(void)searchBarCancelButtonClicked:(UISearchBar *) searchBar{ // called when cancel button pressed
[searchBar setShowsCancelButton:NO animated:NO]; // 取消按钮回收
[searchBar resignFirstResponder]; // 取消第一响应值,键盘回收,搜索结束
}
- 点击搜索结果按钮时调用
-(void)searchBarResultsListButtonClicked:(UISearchBar *)searchBarNS_AVAILABLE_IOS(3_2);// called when search results button pressed
- 点击下面搜索栏按钮时调用
-(void)searchBar:(UISearchBar *)searchBar selectedScopeButtonIndexDidChange:(NSInteger)selectedScopeNS_AVAILABLE_IOS(3_0);
