App Store Optimization (ASO) is the process of improving an app’s visibility and ranking in the app stores through a combination of techniques such as keyword research, user reviews, and appealing visuals. While ASO is a legitimate marketing practice, some developers have taken advantage of the system, employing unethical tactics…

As the world becomes more connected through digital devices and the internet, the importance of ethical data collection in app development continues to grow. For iOS app developers, responsible data collection is essential to ensure the privacy and security of user information. …

Video Lesson Last Session I want results! We’ll start this session by test-driving our ResultsViewController. Since we’ve done this before we’ll skip the lengthy dialog and follow the steps below. Create ResultsViewControllerTests Add the following test: func test_viewDidLoad_rendersSummary() { let sut = ResultsViewController(summary: "a summary") sut.loadViewIfNeeded() XCTAssertEqual(sut.headerLabel.text, "a summary") }

Video Lesson Last Session Testing Table Views in Swift Welcome back! In this session, we’re going to continue test-driving our table view implementation. First, we’ll start with some refactoring and then move into enabling multiple selection. Refactor Time! Let’s pick up where we left off last time by introducing a new UITableView test helper method. // This…

Video Lesson Last Session Time for a little refactoring We’ll start by adding our handy and very familiar makeSUT() test helper factory method after our last test (test_viewDidLoad_withOneOption_rendersOneOptionText). As you may recall, makeSUT() serves as a setup point for each of our tests in isolation. We choose to use this method in each test rather…

Video Lesson Last Session It’s time to start the UI First, create a new Project called QuizApp using Storyboards and Swift. Don’t fret 😮‍💨, we’ll look at using SwiftUI in future sessions! Next, follow these steps: Delete the ViewController.swift, Main.storyboard, and SceneDelegate.swift Add var window: UIWindow? to AppDelegate.swift Remove UISceneSession Lifecycle ( functions ) in AppDelegate …

Overview Snapshot testing is a technique in automated testing where the output of a test is compared to a stored “snapshot” of the expected output. If the output matches the snapshot, the test is considered to have passed. …

Video Lesson Last Session This is not the result you’re looking for 👋 In this session, we’ll decide how we’ll route to the quiz result. So, what is a Result? The result is an accumulation of the questions and answers. This way we can assess the user’s score or show them which questions they answered correctly. Perhaps that could…

Video Lesson Last Session Removing duplication in our tests We’re back! Let’s start by extracting the RouterSpy out of each test to a property. class FlowTest: XCTestCase { let router = RouterSpy() func test_start_withNoQuestions_doesNotRouteToQuestion() ... } We can take this a step further by using a factory method to create our Subject Under Test (SUT)…