Tutorial app with sea mammals

Summary: Tutorial app for iOS. It follows the same theme as its android counterpart.

Reviewed By: passy

Differential Revision: D15184515

fbshipit-source-id: bb473c0fa863bb325bb33f8e42c8d6b3d9c640ff

iOS/Tutorial/Tutorial/ViewController.swift

@@ -0,0 +1,37 @@
+//
+//  ViewController.swift
+//  Tutorial
+//
+//  Created by Pritesh Nandgaonkar on 5/2/19.
+//  Copyright © 2019 Facebook. All rights reserved.
+//
+
+import UIKit
+
+class ViewController: UIViewController, UITableViewDataSource {
+  let marineMammals: [MarineMammal] = [
+    MarineMammal(name: "Polar Bear", image: URL(string: "https://upload.wikimedia.org/wikipedia/commons/thumb/8/84/Ursus_maritimus_4_1996-08-04.jpg/190px-Ursus_maritimus_4_1996-08-04.jpg")!),
+    MarineMammal(name: "Sea Otter", image: URL(string: "https://upload.wikimedia.org/wikipedia/commons/thumb/1/15/Sea_otter_cropped.jpg/220px-Sea_otter_cropped.jpg")!),
+    MarineMammal(name: "West Indian Manatee", image: URL(string: "https://upload.wikimedia.org/wikipedia/commons/thumb/6/6f/FL_fig04.jpg/230px-FL_fig04.jpg")!),
+    MarineMammal(name: "Bottlenose Dolphin", image: URL(string: "https://upload.wikimedia.org/wikipedia/commons/thumb/1/10/Tursiops_truncatus_01.jpg/220px-Tursiops_truncatus_01.jpg")!),
+  ]
+  
+  
+  override func viewDidLoad() {
+    super.viewDidLoad()
+  }
+  
+  func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+    return marineMammals.count
+  }
+  
+  func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+    let cell = tableView.dequeueReusableCell(withIdentifier: "MarineMammalCell", for: indexPath)
+    guard let mammalCell = cell as? MarineMammalCell else {
+      fatalError("Wrong cell identifier")
+    }
+    mammalCell.populate(marineMammal: marineMammals[indexPath.row])
+    return mammalCell
+  }  
+}
+