An Instagram-like sample app using Combine, Firebase and MVVM pattern.

See Instructions below if you'd like to run the app for testing.

• Register and log in with email and password
• Upload photos with captions
• Interactions: like / bookmark / comment
• Instagram-like UI
• Dark mode

• Combine framework (iOS 13+)
• Compositional collection view (iOS 13+)
• Diffable data source (iOS 13+)
• Firebase (for authentication, uploading/fetching posts, comments and user data)
• CocoaPods
• MVVM design pattern
• Coordinator(flow controller) design pattern
• Custom UI without storyboard
• Dark mode

To run the app, you need to create and configure your own Firebase project:

1. Register an iOS app with the bundle ID com.yhchen.Flow and download the GoogleService-Info.plist into the Xcode project directory \Flow
2. Enable Authentication (add Email/Password sign-in provider), Firestore, Storage with appropriate rules
3. Open Flow.xcworkspace and run the app

• Edit posts/comments
• Notifications
• Search for users/posts
• Chatroom
• Storybooks
• Sliding menu