ios - 如何在 navigationBar (UITableView) swift 下添加 SearchController.searchBar

Question

我尝试在导航栏下添加 SearchController.searchBar。

override func viewDidLoad() {
        super.viewDidLoad()
        searchController = UISearchController(searchResultsController: nil)
        searchController.searchResultsUpdater = self
        searchController.searchBar.sizeToFit()
        searchController.hidesNavigationBarDuringPresentation = false
        searchController.delegate = self
        searchController.dimsBackgroundDuringPresentation = false //
        searchController.searchBar.delegate = self
        let SearchFrame = CGRectMake(0,(self.navigationController?.navigationBar.frame.height)!, (self.navigationController?.navigationBar.frame.width)!,searchController.searchBar.frame.height)
        searchController.searchBar.frame = SearchFrame
        self.navigationController?.navigationBar.addSubview(searchController.searchBar)
}

这段代码在navigationBar下添加了一个searchBar，但是searchBar检测不到用户交互!我无法点击搜索文本输入字段!!我做错了什么？

Answer 1

试试这个。对我有用

    var SearchFrame : CGRect?
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        let searchController = UISearchController(searchResultsController: nil)
        searchController.searchResultsUpdater = self
        searchController.searchBar.sizeToFit()
        searchController.hidesNavigationBarDuringPresentation = false
        searchController.delegate = self
        searchController.dimsBackgroundDuringPresentation = false //
        searchController.searchBar.delegate = self
        SearchFrame = CGRectMake(0,(self.navigationController?.navigationBar.frame.height)!, (self.navigationController?.navigationBar.frame.width)!,searchController.searchBar.frame.height)
        searchController.searchBar.frame = SearchFrame!
        self.navigationController?.navigationBar.addSubview(searchController.searchBar)


    }

    override func viewDidAppear(animated: Bool) {
        super.viewDidAppear(animated)

        var navbarFrame = self.navigationController!.navigationBar.frame
        navbarFrame.size = CGSize(width: navbarFrame.width, height: navbarFrame.height + SearchFrame!.height)
        self.navigationController?.navigationBar.frame = navbarFrame
    }