Navigation bar is hiding when i open my search bar - ios

Question

I have a UISearchController embedded in my Navigation Bar and when i click it, the whole navigation bar goes off the screen until i press another area on the screen and then it comes back. Here is a link to the video. (video mightent have uploaded yet so give it some time, the link does work)
self.searchController = [[UISearchController alloc] initWithSearchResultsController:nil];
self.searchController.dimsBackgroundDuringPresentation = NO;
// Use the current view controller to update the search results.
self.searchController.searchResultsUpdater = self;
//Setting Style
self.searchController.searchBar.barStyle = UIBarStyleBlack;
self.searchController.searchBar.barTintColor = [UIColor colorWithRed:49.0/255.0 green:49.0/255.0 blue:61.0/255.0 alpha:1.0];
self.searchController.searchBar.backgroundImage = [UIImage imageNamed:#"BG"];
self.searchController.searchBar.placeholder = #"Search Artists, Songs, Albums etc.";
self.searchController.searchBar.keyboardAppearance = UIKeyboardAppearanceDark;
[self.searchController.searchBar sizeToFit];
self.definesPresentationContext = YES;
self.searchController.searchBar.tintColor = self.view.window.tintColor;
[self.searchController.searchBar setTintColor:[UIColor colorWithRed:(226.0/255.0) green:(56.0/255.0) blue:(83.0/255.0) alpha:(1.0)]];
self.searchController.searchBar.delegate = self;
self.navigationItem.titleView = self.searchController.searchBar;
}
- (void)updateSearchResultsForSearchController:(UISearchController *)searchController{
NSString *searchString = searchController.searchBar.text;
NSLog(#"You searched for %#", searchString);
[searchResultsTableView reloadData];
}
-(void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar{
[self.view addSubview:searchResultsTableView];
}

Answer 1

You need to add the following
self.searchController.hidesNavigationBarDuringPresentation = NO;
to stop UISearchController hiding the nav bar when activated (ref docs link).