Action Heroes

Target environment

• Xcode 12.3
• Swift 5
• iOS 14

Project highlights

• Swift UI 2
• Combine FRP
• MVVM with UI bindings
• Persistence layer for hired heroes storage
• Logic separation
• Dependency injection
• App coordination
• Error toasts for network issues
• Photo parallax effect (sticky header) in hero details screen
• Custom confirmation modal on "fire a hero" action instead of alert
• Unit tests

3rd party libraries used

• API wrapper around Alamofire using Combine
• Kingfisher for lazy loading images and caching in SwiftUI

What could be improved given more time

• better API error handling with retry and empty state
• replace system activity indicator (deprecated style in iOS14)
• replace many different unavailable hero images from API to a common consistant good looking one
• more unit and ui tests
• accessibility and light/dark mode support

Instructions

You'll need Marvel API keys to build and run this project. Please paste your keys in the APISettings.swift as on picture below.