             searchController.searchBar.backgroundColor = UIColor.whiteColor()
             searchController.searchBar.barTintColor = UIColor.whiteColor()
             searchController.searchBar.searchBarStyle = .Minimal
-            //searchController.searchBar.translucent = false
             searchController.searchBar.sizeToFit()
 
             searchController.searchBar.delegate = self

import RealmSwift
import Ruler

//class SearchController: UISearchController {
//
//    override func preferredStatusBarStyle() -> UIStatusBarStyle {
//        return .Default
//    }
//}

class ContactsViewController: BaseViewController {

    @IBOutlet weak var contactsTableView: UITableView!


        // 超过一定人数才显示搜索框

        if friends.count > Int(Ruler.match(.iPhoneHeights(6, 8, 10, 12))) {

            let searchController = UISearchController(searchResultsController: nil)
            searchController.delegate = self
