ios – UIBarButtonItem Would not Reset the Badge

I am at present engaged on integrating new iOS 26 options into my app, and to date, the method has been actually thrilling. Nevertheless, I’ve encountered a difficulty when updating the badge of a UIBarButtonItem, and I’m hoping to get some insights or strategies.

The app has two UIViewController cases within the navigation stack, every containing a UIBarButtonItem.

On the primary controller, the badge is ready to 1, and on the second, the badge is ready to 2. Within the second controller, there’s a “Reset” button that units the badge of the second controller to nil.

Nevertheless, after I faucet the “Reset” button, as a substitute of setting the badge to nil, it units the worth to 1.

I might respect any concepts or strategies on how one can remedy this downside. Perhaps I’m utilizing the badge API incorrectly.

Thanks!

class ViewController: UIViewController {
    
    var cartButtonItem: UIBarButtonItem!

    override func viewDidLoad() {
        tremendous.viewDidLoad()

        configureNavigationItem()
    }
    
    func configureNavigationItem() {
        cartButtonItem = UIBarButtonItem(picture: UIImage(useful resource: .cartNavBar), type: .plain, goal: self, motion: #selector(showCart))
        cartButtonItem.tintColor = UIColor.systemBlue
        cartButtonItem.badge = .rely(1)
        navigationItem.rightBarButtonItem = cartButtonItem
    }
    
    @objc func showCart() {
        // Add second view controller in navigation stack
        performSegue(withIdentifier: "Cart", sender: nil)
    }

}

class CartViewController: UIViewController {
    
    var cartButtonItem: UIBarButtonItem!

    override func viewDidLoad() {
        tremendous.viewDidLoad()

        configureNavigationItem()
    }
    
    func configureNavigationItem() {
        cartButtonItem = UIBarButtonItem(picture: UIImage(useful resource: .cartNavBar), type: .plain, goal: nil, motion: nil)
        cartButtonItem.tintColor = UIColor.systemBlue
        cartButtonItem.badge = .rely(2)
        navigationItem.rightBarButtonItem = cartButtonItem
    }
    
    func updateBadge() {
        cartButtonItem.badge = nil
    }
    
    @IBAction func resetButtonPressed(_ sender: Any) {
        updateBadge()
    }

}