iOS Tutorial => UISearchController

Syntax

UISearchController(searchResultsController: UIViewController?) // Pass nil as the parameter if the search updating controller also displays the searchable content.
func updateSearchResults(for searchController: UISearchController) // Required method to implement when adopting the UISearchResultsUpdating protocol

Parameter	Details
`UISearchController.searchBar`	The search bar to install in your interface. (read-only)
`UISearchController.searchResultsUpdater`	The object responsible for updating the contents of the search results controller.
`UISearchController.isActive`	The presented state of the search interface.
`UISearchController.obscuresBackgroundDuringPresentation`	A Boolean indicating whether the underlying content is obscured during a search.
`UISearchController.dimsBackgroundDuringPresentation`	A Boolean indicating whether the underlying content is dimmed during a search.
`UISearchController.hidesNavigationBarDuringPresentation`	A Boolean indicating whether the navigation bar should be hidden when searching.
`UIViewController.definesPresentationContext`	A Boolean value that indicates whether this view controller's view is covered when the view controller or one of its descendants presents a view controller.
`UIViewController.navigationItem.titleView`	A custom view displayed in the center of the navigation bar when the receiver is the top item in which a search bar can be placed.
`UITableViewController.tableView.tableHeaderView`	Returns an accessory view that is displayed above the table in which a search bar can be placed.