AppStore

App Store clone built with UIKit (ReactorKit) and SwiftUI implementations.

Searches the iTunes API and displays app details including screenshots, ratings, reviews, and compatibility info.

Features

• iTunes Search API integration
• Search history with UserDefaults persistence
• App detail view (title, screenshots, description, ratings, info)
• Screenshot gallery with horizontal scrolling
• Star rating display
• iPad screenshot support
• Dynamic cell heights

Requirements

• iOS 17.0+
• Swift 5.9+
• Xcode 15.0+

Dependencies (SPM)

• RxSwift 6.x - UIKit version
• RxCocoa 6.x - UIKit version
• ReactorKit 3.x - UIKit version

Project Structure

AppStore/
├── AppStore/                      # UIKit Version (ReactorKit + RxSwift)
│   ├── App/
│   │   ├── AppDelegate.swift
│   │   └── Main.storyboard
│   ├── Model/
│   │   ├── AppInfo.swift
│   │   └── Review.swift
│   ├── Reactor/
│   │   ├── SearchKeywordReactor.swift
│   │   ├── DetailReactor.swift
│   │   └── InfoDetailReactor.swift
│   ├── Service/
│   │   ├── Networking/ (APIService, Constants, UserEndpoint)
│   │   └── UserDefaults/ (UserDefaultsService, UserDefaultsKey)
│   ├── Controller/
│   │   ├── BaseViewController.swift
│   │   ├── SearchViewController.swift
│   │   └── DetailViewController.swift
│   ├── View/
│   │   ├── Detail/ (DetailTableView, InfoDetailTableView, Cells...)
│   │   ├── List/ (SearchListTableView, Cells...)
│   │   ├── History/ (HistoryTableView, Cells...)
│   │   └── Present/ (Protocol-based data presenters)
│   └── Extension/
│
└── AppStoreSwiftUI/               # SwiftUI Version
    ├── App/
    │   └── AppStoreApp.swift
    ├── Models/
    │   └── AppInfo.swift
    ├── Services/
    │   └── APIService.swift (async/await + actor)
    ├── ViewModels/
    │   └── SearchViewModel.swift (@Observable)
    └── Views/
        ├── SearchView.swift
        ├── AppDetailView.swift
        └── StarRatingView.swift

UIKit Version

• ReactorKit - Unidirectional data flow (Action/Mutation/State)
• RxSwift/RxCocoa - Reactive bindings
• XIB + Storyboard - Interface Builder layouts
• ServiceProvider - Dependency injection pattern
• Presenter pattern - Protocol-based data formatting

SwiftUI Version

• @Observable macro (iOS 17+)
• async/await - Native concurrency for API calls
• actor - Thread-safe API service
• AsyncImage - Native async image loading
• NavigationStack - Modern navigation
• MVVM architecture

Modernization Changes

Before	After
CocoaPods (RxSwift 5)	SPM (RxSwift 6)
protocol: class	protocol: AnyObject
guard let \self``	guard let self
UserDefaults.synchronize()	Removed (auto-sync)
iOS 10.0+	iOS 17.0+

License

MIT