Why placeholder text jump upward little when first tap searchBar？
Why placeholder text jump upward little when first tap searchBar？ I put a searchBar in first cell in the UITableView (not in UITableView header!) : firstCell.contentView.addSubview(searchController.searchBar) and I canceled hide navigation bar when search happened : searchController.hidesNavigationBarDuringPresentation = false and full setup searchController code in below : func setupSearchController(){ //custom Search Results Controller let folderSearchVC = FolderSearchViewController() searchController = UISearchController(searchResultsController: folderSearchVC) //cancel hide NavigationBar searchController.hidesNavigationBarDuringPresentation = false searchController.searchResultsUpdater = folderSearchVC searchBar = searchController.searchBar searchBar.placeholder = "搜索习惯组" firstCell.contentView.addSubview(searchBar) } But when I first activate the searchBar,the placeholder text will jump upward a little,only for the first time (demo in...