UIsearchControlの使い方

UIsearchControlの使い方
UIsearchControllerとUIsearchBarの違いは、1つはフルスクリーン検索、1つは検索ボックス検索です.
UITAbleViewを含むコントローラでUISEarchControllerを使用する

   -   .h    ：
        @property (strong, nonatomic) IBOutlet UITableView *tableView;
        @property (nonatomic, strong) UISearchController *searchController;
            UISearchResultsUpdating
             UITableView

   -   .m  

        - (void)viewDidLoad {
        [super viewDidLoad];
        // Do any additional setup after loading the view.
        self.searchController = [[UISearchController alloc] initWithSearchResultsController:nil];
        self.searchController.searchResultsUpdater = self;
        [self.searchController.searchBar sizeToFit];
        self.tableView.tableHeaderView = self.searchController.searchBar;
        self.definesPresentationContext = YES;
        
        }

          UISearchResultsUpdating     
        #pragma mark - UISearchResultsUpdating
        - (void)updateSearchResultsForSearchController:(UISearchController *)searchController {
            NSLog(@"Entering:%@",searchController.searchBar.text);
        }