SlappyAUS

 // Apply Delegate to the UIViewController
protocol CoinManagerDelegate {
    func didUpdateData(_ sender: CoinManager, parsedData: BitcoinData)
    func didFailWithError(_ sender: CoinManager, error: Error)
}

// Insert these calls into the component making the call (Manager class)

	func performRequest(with urlString: String) {
        let url = URL(string: urlString)

SlappyAUS

DispatchQueue.main.async {
	// Update UI components here            
}

SlappyAUS

Timer.scheduledTimer(withTimeInterval: interval, repeats: false) { (timer) in
	// Code here
}

SlappyAUS

// App Delegate
import Firebase

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool
	{
        FirebaseApp.configure()
        return true
	}

// Register User Controller

SlappyAUS

    override func viewDidLoad() {
        super.viewDidLoad()

        // Register XIB for custom cell
        tableView.register(UINib(nibName: K.cellNibName, bundle: nil), forCellReuseIdentifier: K.cellIdentifier)
    }

SlappyAUS

// App Deleagate
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool 	{
        FirebaseApp.configure()
        _ = Firestore.firestore()
        return true
    }


// Controller
// Init Firestore

SlappyAUS

// App Delegate
import IQKeyboardManagerSwift


	func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool 	{
        IQKeyboardManager.shared.enable = true
      	IQKeyboardManager.shared.enableAutoToolbar = false
        return true
    }

SlappyAUS

    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return itemArray.count
    }
    
    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "ToDoItemCell", for: indexPath)
        cell.textLabel?.text = itemArray[indexPath.row]
        return cell
    }

SlappyAUS

    @IBAction func addButtonPressed(_ sender: UIBarButtonItem) {
        let alert = UIAlertController(title: "Add New Todoey Item", message: "", preferredStyle: .alert)
        var textField: UITextField? = nil
        
        let action = UIAlertAction(title: "Add Item", style: .default) { (action) in
            if let safeTextField = textField {
                print(safeTextField.text ?? "")
            }
        }
        

SlappyAUS

// Controller
let defaults = UserDefaults.standard


// Reading
        if let items = defaults.array(forKey: "TodoListArray") as? [String] {
            itemArray = items
        }
        else {
            itemArray = []