List App

ListApp/Controllers/ItemsController.swift

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+//
+//  ItemsController.swift
+//  ListApp
+//
+//  Created by Nelson Gonzalez on 1/8/19.
+//  Copyright © 2019 Nelson Gonzalez. All rights reserved.
+//
+
+import Foundation
+
+class ItemsController {
+    var items = [String]()
+    let bullets = "\u{2022}"
+
+    func add(_ item: String) {
+        // add the item to your items list
+       items.append(bullets + " " + item)
+
+    }
+
+    func resetItems() {
+        items.removeAll()
+    }
+
+
+}

ListApp/Controllers/ViewController.swift

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+//
+//  ViewController.swift
+//  ListApp
+//
+//  Created by Nelson Gonzalez on 1/8/19.
+//  Copyright © 2019 Nelson Gonzalez. All rights reserved.
+//
+
+import UIKit
+
+class ViewController: UIViewController {
+
+    @IBOutlet weak var textField: UITextField!
+
+    @IBOutlet weak var label: UILabel!
+
+
+
+    var itemsController = ItemsController()
+
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        updateViews()
+
+    }
+
+    func updateViews(){
+        label.text = nil
+    }
+
+
+    @IBAction func shouldAdd(_ sender: UIButton) {
+
+        let text = textField.text ?? ""
+
+        if !text.isEmpty {
+            itemsController.add(text)
+            textField.text = ""
+        } else {
+            print("No")
+        }
+        let joined = itemsController.items.joined(separator: "\n")
+        label.text = joined
+
+    }
+
+    @IBAction func shouldReset(_ sender: UIButton) {
+        itemsController.resetItems()
+        updateViews()
+    }
+
+    @IBAction func printButton(_ sender: UIButton) {
+
+        print(itemsController.items)
+    }
+
+}
+