Pushing a navigation controller is not supported
In my MainStoryBoard I want to push a viewController to the detailView but I get this error:
NSInvalidArgumentException', reason: 'Pushing a navigation controller is not supported'
I set the identifier 'JSA' ID for the viewController on the storyboard.
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
if (indexPath.row == 0) {
SWSJSAViewController *viewController = [[UIStoryboard storyboardWithName:@"MainStoryboard" bundle:nil] instantiateViewControllerWithIdentifier:@"JSA"];
[self.navigationController pushViewController:viewController animated:YES];
}
}
Like rmaddy said in the comments you are trying to push a navigation controller.
Navigation controllers should be presented (via presentViewController or they can be added as a childViewController) and ViewControllers should be pushed.
When you talk about pushing Navigation Controller, it is most likely that you want to present it.
- Presenting UINavigationController
This is the most common way and this is what you want to do in most cases. UINavigationController
cannot be pushed, it can only be presented with a new root View Controller.
MyViewController* vc = [[MyViewController alloc]
initWithNibName:@"MyController" bundle:nil];
UINavigationController *myNav = [[UINavigationController alloc] initWithRootViewController: vc];
[self presentViewController:myNav animated:YES completion:nil];
What you do here, is firstly create a UINavigationController
and then set necessary UIViewController
as its root controller.
- Pushing UINavigationController
If you have a hierarchy of ViewControllers and you need to push view controller that contains navigation controller within, steps are:
1) Push ViewController, containing UINavigationController
.
To push UINavigationController
, first create a subclass of UIViewController
, which will be a wrapper-/container- class for your UINavigationController
and its content.
ContainerViewController* vc = [[ContainerViewController alloc] init];
2) Adding UINavigationController as a child view controller
In viewDidLoad
of your container (that you have just instantiated) simply add something like this:
Objective-C
UINavigationController* myNav = [[UINavigationController alloc] initWithRootViewController: rootViewController];
[myNav willMoveToParentViewController:self];
myNav.view.frame = self.view.frame; //Set a frame or constraints
[self.view addSubview:myNav.view];
[self addChildViewController: myNav];
[myNav didMoveToParentViewController:self];
Swift 4.2+
let childNavigation = UINavigationController(rootViewController: viewController)
childNavigation.willMove(toParent: self)
addChild(childNavigation)
childNavigation.view.frame = view.frame
view.addSubview(childNavigation.view)
childNavigation.didMove(toParent: self)
What you do here is basically instantiate your navigation controller and add it as a child controller to your wrapper. That's it. You have successfully pushed your UINavigationController.