搜索框UISearchBar

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1\初始化    

UISearchBar *searchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(10, 20, 200, 30)];

    [self.view addSubview:searchBar];

    searchBar.delegate = self;

2\实现代理方法

-(BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar {

    NSLog(@"开始编辑");

    [self presentViewController:[[redViewController alloc] init] animated:YES completion:nil];

    return YES;

}

-(void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText {

    NSLog(@"改变了");

}

搜索框UISearchBar

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原文地址：http://www.cnblogs.com/making/p/5597711.html