Interview Questions

General Android questions

Android Interview Questions and Answers

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General Android questions

  1. The Activity life cycle is must. Different phases of Activity Life cycle. For example: when and how the activity comes to foreground?
  2. Knowledge on AndroidManifest file, For example: Why do we need this file, What is the role of this file in Android app development.
  3. Different Kinds of Intents
  4. Different Kinds of Context
  5. Different Storage Methods in android
  6. Kinds of Log debugger and Debugger Configuration
  7. How to debug the application on real device.
  8. How do you ensure that the app design will be consistent across the different screen resolutions
  9. Thread concepts also plus points as we deal with the treads more.
  10. Can you able to build custom views and how?
  11. How to create flexible layouts, For example to place English, Chinese fonts.
  12. What is localization and how to achieve?
  13. What are 9-patch images
  14. How to avoid ANR status
  15. How to do Memory management
  16. Inter Process Communication (IPC)
  17. What is onCreate(Bundle savedInstanceState), Have you used savedInstanceState when and why?
  18. Fragments in an Activity
  19. When to use a service
  20. How to use a broadcast receiver and register it both in the manifest and in code
  21. Intent filters
  22. The types of flags to run an application
  23. How to do data intensive calculations using threads
  24. Passing large objects (that can't be passed via intents and shouldn't be serialized) via a service
  25. Binding to a service and the service lifecycle
  26. How to persist data (both savedInstanceState and more permanent ways)

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