title: Keyboard is not enabling after navigation takes place in ios
body: <p>While I am navigating to the particular controller I want keyboard to enable after the navigation takes place. In IndexPageTableViewController it has a textField named searchField I need to enable the keyboard.</p>
  
  <pre><code>-(void) navigateToSearch
  {
  UIStoryboard *mainStoryboard = [UIStoryboard storyboardWithName:@"Main_iPhone"
                                                           bundle: nil];
  if(mainStoryboard)
  {
      IndexPageTableViewController *index = (IndexPageTableViewController *) [mainStoryboard instantiateViewControllerWithIdentifier:@"IndexPageTableViewController"];
      [[SlideNavigationController sharedInstance ] popToRootAndSwitchToViewController:index withSlideOutAnimation:NO andCompletion:^{
          [self initTableView];
  
          [self becomeFirstResponder];
      }];
  
  
       }
       }
  </code></pre>