Build a small, high-quality mobile app that displays and lets users browse a grid of curated photos from Unsplash, then view each photo fullscreen with metadata.
-
Platform & Language
- Android: Kotlin + Jetpack Compose
- iOS: Swift 5+ + SwiftUI
-
API Docs:
https://unsplash.com/documentation
-
Grid View
- Paginated, infinite-scrolling grid of photos
- Preserves each image’s aspect ratio (no cropping)
- Supports both portrait & landscape orientations
-
Detail View
- Tap any grid item to open fullscreen detail
- Displays photo, author name, description/alt text, like count, etc.
- Swipe left/right to navigate between photos
- On dismiss, grid scroll position retains the last-viewed photo
-
Repository Setup
- Fork from the
mobile-coding-challengerepo - Keep the fork public until the review is completed
- Fork from the
-
Commit Hygiene
- Small, atomic commits with descriptive messages
- Unit tests
- Dark mode support
- Offline caching of the entire photo feed using a local DB
- Share a photo link via the system share sheet
- Custom transition animation between grid ⇄ detail
- Correctness: Builds, runs, meets core requirements, no crashes
- Code Quality: SOLID principles, clean layering, readability
- Architecture: Separation of concerns, testability
- UX Polish: Smooth scrolling, placeholders, error handling
- Git Hygiene: Clear history