Android System Design Interview Questions

1. How would you design an Android app architecture for scalability and maintainability?

2. How would you design a caching mechanism in an Android app?

3. How would you design a notification system in an Android app?

4. How would you handle data synchronization between a server and an Android app?

5. How would you design offline functionality for an Android app?

6. How would you handle security in an Android app?

7. How would you design an image loading and caching system?

8. How would you design an app with a chat feature, like WhatsApp?

9. How would you design an image-sharing feature for a social media app?

10. How would you design an offline-first app?

11. How would you design a scalable app that can handle millions of users?

12. How would you design a notification system for an e-commerce app?

13. How would you design a feature that shows real-time stock prices?

14. How would you ensure security for user data in your app?

15. Explain your approach to caching in Android apps.

16. How would you implement real-time updates in an Android app?

17. How would you handle large data sets or long lists in an Android app?

18. How would you design a background service in Android for periodic tasks?

19. How would you handle user sessions in an Android app?

20. How would you handle analytics and event tracking in an Android app?

21. How would you design an Android app with dynamic content (e.g., news feed or social feed)?