Part1- iOS Interview Questions

Pratima S
1 min readDec 27, 2020

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List of Interview Questions

  1. How will you know or find out based on the provided link whether website will open or app will open?
  2. Delegate vs notification?
  3. Generics?
  4. How Can you Create Custom Dictionary ?
  5. Semaphore?
  6. what is viewdidunload?
  7. navigationItem?
  8. What is the Root of the navigation controller
  9. What happens when u tap push notification?
  10. Application is not in foreground how it will detect push notification?
  11. how to Navigate to specific screen on tapping notification
  12. Strong/weak outlet
  13. ViewDid load and loadView?
  14. Can we fetch latitude/longitude (Core location Question) in background?
  15. In gcd how will u fetch data in background state?
  16. What are the Challenges in current project?
  17. Guard let / optional binding
  18. Alamofire vs nsurlsession
  19. Normal downloading of images vs SDWEbimage Library?
  20. Whats the need of Alamofire? Should we need it ? How can you establish Networking without external Library like (Alamofire)
  21. How the app can send information to other apps?

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