[Simple AlertController in iOS] how to create a basic alert controller with a textfield in iOS #iOS #Swift #alert #alertController #textField

SimpleAlertController.swift

@IBAction func addName(_ sender: Any) {
        let alert = UIAlertController(title: "New Name", message: "Add a new name", preferredStyle: .alert)
        let saveAction = UIAlertAction(title: "Save", style: .default) { 
          [unowned self] action in
            guard let textField = alert.textFields?.first,
                let nameToSave = textField.text else {
                    return
            }
            self.names.append(nameToSave)
            self.tableView.reloadData()
        }
        
        let cancelAction = UIAlertAction(title: "Cancel", style: .cancel, handler: nil)
        alert.addTextField()
        alert.addAction(saveAction)
        alert.addAction(cancelAction)
        
        present(alert, animated: true)
    }