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To create a segue between view controllers in the same storyboard file, Control-click an appropriate element in the first view controller and drag to the target view controller. The starting point of a segue must be a view or object with a defined action, such as a control, bar button item, or gesture recognizer.
Assigning an identifier for the segue:Select the segue, from the attribute inspector you'll see "Identifier" text field, that's it! make sure to insert the exact same name that used in performSegueWithIdentifier .
Since the destination view controller is actually the navigation controller, try accessing the root view like so:
UINavigationController *navController = [segue destinationViewController];
ShowItemsTableViewController *SITViewController = (ShowItemsTableViewController *)([navController viewControllers][0]);
[SITViewController setItems:[self itemsFromCoreData]];
For Swift:
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
if segue.identifier == "segueShowNavigation" {
var DestViewController = segue.destinationViewController as! UINavigationController
let targetController = DestViewController.topViewController as! ReceiveViewController
}
}
Get the topViewController from the UINavigationController:
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
if ([[segue identifier] isEqualToString:@"showItems"]) {
UINavigationController *navigationController = segue.destinationViewController;
ShowItemsTableViewController *showItemsTVC = (ShowItemsTableViewController * )navigationController.topViewController;
showItemsTVC.items = [self itemsFromCoreData];
}
}
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