Z1_Chat_Close_Button

Z1_Chat_Close_Button.swift

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.

        Chat.initialize(accountKey: "", appId: "")
    }

    @IBAction func buttonPressed(_ sender: Any) {
        if let viewController = configureChat() {
            self.navigationController?.pushViewController(viewController, animated: true)
        }
    }

    func configureChat() -> UIViewController? {
        do {
            let chatEngine = try ChatEngine.engine()
            let viewController = try Messaging.instance.buildUI(engines: [chatEngine], configs: [ChatConfiguration()])
            viewController.edgesForExtendedLayout = []
            viewController.title = NSLocalizedString("Live Chat", comment: "Title String")
            let button = UIBarButtonItem(title: "Close", style: .plain, target: self, action: #selector(close))
            viewController.navigationItem.leftBarButtonItem = button
            return viewController
        } catch {
            // TODO: Add an alert or an appropriate UI to show for an error scenario.
            print("Unhandled Error!!")
            return nil
        }
    }

    @objc
    func close() {
        self.navigationController?.popViewController(animated: true)
    }
}