Having an issue while using large titles navigation bar and search bar in the navigation controller, when I try to pull for refreshing tableview shows an abrupt behavior on end refreshing.
var searchController : UISearchController!
self.searchController = UISearchController(searchResultsController: nil)
self.tableView.refreshControl = self.refreshControl
self.navigationItem.searchController = searchController
self.navigationItem.hidesSearchBarWhenScrolling = false
self.definesPresentationContext = true
self.searchController.obscuresBackgroundDuringPresentation = false
self.searchController.delegate = self
self.searchController.searchBar.delegate = self
self.searchController.searchResultsUpdater = self
On end refreshing