Displaying search bar in navigation bar in iOS 8

Question

UISearchDisplayController had a boolean property called displaysSearchBarInNavigationBar. What's the equivalent in iOS 8 to have my search bar move up there? Any guidance is greatly appreciated.

Here's my code, I'm not entirely sure why this isn't working. When I click the search bar, it just disappears instead of moving itself and the navigation bar up.

import UIKit  class ViewController: UIViewController, UISearchResultsUpdating, UISearchControllerDelegate, UISearchBarDelegate, UITableViewDelegate, UITableViewDataSource {  let searchController = UISearchController(searchResultsController:  nil)  var tableView = UITableView()  override func viewDidLoad() {     super.viewDidLoad()     // Do any additional setup after loading the view, typically from a nib.      self.searchController.searchResultsUpdater = self     self.searchController.delegate = self     self.searchController.searchBar.delegate = self      self.searchController.hidesNavigationBarDuringPresentation = true     self.searchController.dimsBackgroundDuringPresentation = true      tableView.dataSource = self     tableView.delegate = self       self.navigationItem.titleView = searchController.searchBar       self.definesPresentationContext = true      self.setupSearchBar()     }  override func didReceiveMemoryWarning() {     super.didReceiveMemoryWarning()     // Dispose of any resources that can be recreated. }  func updateSearchResultsForSearchController(searchController: UISearchController) {  }  func setupSearchBar() {      // Set search bar position and dimensions     var searchBarFrame: CGRect = self.searchController.searchBar.frame     var viewFrame = self.view.frame     self.searchController.searchBar.frame = CGRectMake(searchBarFrame.origin.x, searchBarFrame.origin.y + 64,viewFrame.size.width, 44)       // Add search controller's search bar to our view and bring it to forefront     self.view.addSubview(self.searchController.searchBar)  }  func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {     var cell = UITableViewCell()      return cell }  func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {     return 5 } } 

Answer 1

According to Apple :

UISearchDisplayController is deprecated in iOS 8. (Note that UISearchDisplayDelegate is also deprecated.) To manage the presentation of a search bar and display search results in iOS 8 and later, instead use UISearchController.

The UISearchController class defines an interface that manages the presentation of a search bar in concert with the search results controller’s content. The search results controller, a UIViewController object specified by the searchResultsController property, manages the results of the search.

Now you can use the UISearchController to show the search bar in your navigation bar in the following way:

class ViewController: UIViewController, UISearchControllerDelegate, UISearchResultsUpdating, UISearchBarDelegate {      var searchController : UISearchController!      override func viewDidLoad() {        super.viewDidLoad()             self.searchController = UISearchController(searchResultsController:  nil)             self.searchController.searchResultsUpdater = self        self.searchController.delegate = self        self.searchController.searchBar.delegate = self             self.searchController.hidesNavigationBarDuringPresentation = false        self.searchController.dimsBackgroundDuringPresentation = true             self.navigationItem.titleView = searchController.searchBar             self.definesPresentationContext = true             }      func updateSearchResults(for searchController: UISearchController) {          }      override func didReceiveMemoryWarning() {        super.didReceiveMemoryWarning()        // Dispose of any resources that can be recreated.     } } 

But you have to consider you need to set a UINavigationController like in this Storyboard :

You can do it very easy just select your ViewController and see the following steps:

And then you should see in your device when you make click in the search bar the following picture:

I hope this help you