UISearchBar详解(一)基本属性 · iOS UI

@UISearchBar search = [[UISearchBar alloc]initWithFrame:CGRectMake(0,44,320,120)]; pragma mark -基本设置 //控件的样式默认--0白色,1是黑色风格 /* UIBarStyleDefault = 0, UIBarStyleBlack = 1, search.barStyle =UIBarStyleDefault; /* UISearchBarStyleDefault, // currently UISearchBarStyleProminent UISearchBarStyleProminent, // used my Mail, Messages and Contacts(provides no default background color or image but will display one if customized as such系统提供的颜色和图片无效,自定制有效) UISearchBarStyleMinimal // used by Calendar, Notes and Music */ search.searchBarStyle =UISearchBarStyleDefault; // 控件上面的显示的文字 search.text =@"HMT"; // 显示在顶部的单行文字，通常作为一个提示行 search.prompt =@"DOTA"; // 半透明的提示文字，输入搜索内容消失 search.placeholder =@"请输入要搜索的词语"; // bar的颜色(具有渐变效果)搜索栏闪动条和选择栏边框,取消按钮和选择栏被选中时候都会变成设置的颜色 search.tintColor = [UIColor redColor]; // 除搜索栏框框,就像贴了一张镂空了搜索栏的颜色贴图,不影响其他任何设置的颜色 search.barTintColor = [UIColor whiteColor]; // 指定控件是否会有透视效果 search.translucent =YES; // 设置在什么的情况下自动大写 /* UITextAutocapitalizationTypeNone, //除非自己点击大写,否则永不大写 UITextAutocapitalizationTypeWords, //以单词来区分,每个单词首字母大写 UITextAutocapitalizationTypeSentences, //以句子来区分 UITextAutocapitalizationTypeAllCharacters, //所有字母全部大写 */ search.autocapitalizationType =UITextAutocapitalizationTypeNone; // 对于文本对象自动校正风格(额,我也不知道有什么用) /* UITextAutocorrectionTypeDefault, UITextAutocorrectionTypeNo, UITextAutocorrectionTypeYes, */ search.autocorrectionType =UITextAutocorrectionTypeNo; // 键盘的样式(具体可参考文章UITableView详解(一)) search.keyboardType =UIKeyboardTypeNumberPad; #pragma mark - 设置搜索栏右边按钮图标(UISearchBarIcon) // 是否在控件的右端显示一个书的按钮 search.showsBookmarkButton =YES; // 是否显示cancel按钮(静态) //search.showsCancelButton = YES; // 是否显示cancel按钮(带有动画效果) [search setShowsCancelButton:YES animated:YES]; // 是否在控件的右端显示搜索结果按钮(图形是一个圆里面放着一个向下的箭头) search.showsSearchResultsButton =YES; // 搜索结果按钮是否被选中 search.showsSearchResultsButton =YES; // 设置控件的右端显示搜索结果按钮处 --- 可用图片替换掉 [search setImage:[UIImage imageNamed:@"qiyi.png"]forSearchBarIcon:UISearchBarIconResultsList state:UIControlStateNormal]; #pragma mark - 搜索栏下部选择栏 // 搜索栏下部的选择栏，数组里面的内容是按钮的标题 search.scopeButtonTitles = [NSArray arrayWithObjects:@"iOS",@"Android",@"iPhone",nil]; // 进入界面,搜索栏下部的默认选择栏按钮的索引(也就是第一出现在哪个选择栏) search.selectedScopeButtonIndex =2; // 控制搜索栏下部的选择栏是否显示出来(显示的话,就要修改search的frame,不显示的话80就够了) search.showsScopeBar =YES; pragma mark - 设置控件图片 // 设置控件背景图片 search.backgroundImage = [UIImage imageNamed:@"qiyi.png"]; // 设置搜索栏下部背景图片 search.scopeBarBackgroundImage = [UIImage imageNamed:@"qiyi.png"]; pragma mark - 协议UISearchBarDelegate (不解释了,看名字,已经很明显了) @编辑文本 // 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 - (void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar{ // called when text starts editing [searchBar setShowsCancelButton:YES animated:YES]; // 动画显示取消按钮 } - (BOOL)searchBarShouldEndEditing:(UISearchBar *)searchBar; // return NO to not resign first responder - (void)searchBarTextDidEndEditing:(UISearchBar *)searchBar; // called when text ends editing - (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText{ // called when text changes (including clear) @ 当搜索内容变化时，执行该方法。很有用，可以实现时实搜索 } - (BOOL)searchBar:(UISearchBar *)searchBar shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)textNS_AVAILABLE_IOS(3_0); // called before text changes @按钮点击 - (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar; // called when keyboard search button pressed - (void)searchBarBookmarkButtonClicked:(UISearchBar *)searchBar; // called when bookmark button pressed - (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 } - (void)searchBarResultsListButtonClicked:(UISearchBar *)searchBarNS_AVAILABLE_IOS(3_2);// called when search results button pressed - (void)searchBar:(UISearchBar *)searchBar selectedScopeButtonIndexDidChange:(NSInteger)selectedScopeNS_AVAILABLE_IOS(3_0);