ios中怎样让导航栏拥有搜索功能

ios中怎样让导航栏拥有搜索功能

说白了，就是在navigationcotroller中，显示一个view，具体实现可参考如下代码CGRect mainViewBounds = self.navigationController.view.bounds; UISearchBar *customSearchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(CGRectGetWidth(mainViewBounds)/2-((CGRectGetWidth(mainViewBounds)-120)/2), CGRectGetMinY(mainViewBounds)+22, CGRectGetWidth(mainViewBounds)-120, 40)]; customSearchBar.delegate = self; customSearchBar.showsCancelButton = NO; customSearchBar.searchBarStyle = UISearchBarStyleMinimal; [self.navigationController.view addSubview: customSearchBar];