Prerequisites
- Basic SwiftUI skills
- Understanding of networking
Versioning
- Xcode 15.1
- Swift 5.9
- iOS 17.0
Sample question
Write a JSON parser that can consume the Appstore Search API and render a list of searchable objects.
Each result must be rendered similar to the AppStore rows with pixel perfect precision.
Tapping on a row will take you to the details screen for each app.
Tapping on a screenshot will present a fullscreen modal
There needs to be a delay on search when user is typing
Bonus 1: Fetch reviews for each app
Bonus 2: Implement horizontal snapping on screenshots and reviews
Bonus 3: Show differences between completion handlers and async/await. How do you use Continuations?
Bonus 4: Can you implement Image caching to reduce cost of loading images?
Course Topics
Rendering SwiftUI views with NavigationStack, ScrollView, Searchable, GeometryReader, AsyncImage, etc.
Fetching JSON with Async/Await
Decoding JSON with Codable Protocol
ScrollView snapping with scrollTargetLayout and scrollTargetBehavior
iOS 17 #Observable macro
Transform old completion handlers into async await code with Continuations
Image caching using NSCache and AsyncImage
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