Ios 取消UISearchController会中断分组的UITableViewController visual
我有一个Ios 取消UISearchController会中断分组的UITableViewController visual,ios,swift,uitableview,uisearchcontroller,Ios,Swift,Uitableview,Uisearchcontroller,我有一个UITableViewController,它按字母表显示国家组。我在代码中添加了一个UISearchController: let searchController = UISearchController(searchResultsController: nil) searchController.searchBar.placeholder = "" searchController.searchResultsUpdater = self searchController.dims
UITableViewController
,它按字母表显示国家组。我在代码中添加了一个UISearchController
:
let searchController = UISearchController(searchResultsController: nil)
searchController.searchBar.placeholder = ""
searchController.searchResultsUpdater = self
searchController.dimsBackgroundDuringPresentation = false
definesPresentationContext = true
tableView.tableHeaderView = searchController.searchBar
问题是,当我关闭搜索栏时,UI的可视性会中断,在搜索栏上方显示一个奇怪的空间:
你知道为什么会发生这种情况以及如何解决吗?尝试添加:
searchController.hidesNavigationBarDuringPresentation = false
searchController.searchBar.sizeToFit()
self.definesPresentationContext = true