About me

hi my name is jabbir. i am here to help the new learners of android to make the easy way of learning android
HERE I AM POSTING FEW INTERVIEW QUESTIONS.

Android Questions

1. What is Android?  What are its advantages over other Mobile OS?

2. What are the differences between android and J2ME?

3. Explain the features of android?

4. Explain android system architecture.

5. What is DVM?  How is it different from JVM.

6. What are the different building blocks of android?  Explain.

7. Explain the internal structure of an android application.

8. What are the hardware requirements to port android?

9. How to setup android development environment?

10. What is android SDK?

11. Explain android application directory structure.

12. What is AndroidManifest.xml file?

13. What is an activity?

14. Explain the lifecycle of an activity.  Why do we need it?

15. Explain the operations that can be done in each of the activity lifecycle methods.

16. What are the different types of activity?

17. What is the difference between Activity and ListActivity?

18. How does DVM kill Activity?

19. How do we start one activity from another?

20. What is a sub-activity?

21. What is intent?  Why is it used?

22. What are the different types of intents?  When are they used?

23. What is an intent filter?

24. What is intent resolution?  How is it done?

25. What is a broadcast receiver?  How to create it?

26. What is a view and view group?

27. Explain view hierarchy.

28. What is a layout?  Explain different types of layouts.

29. What is a Listview?  How does it work?

30. Explain different types of adapter in android?

31. How do we create UI in android and why?

32. What is inflating?

33. Explain different types of menus in android.

34. What is a dialog?  Explain different types of dialogs in android.

35. What is a toast?  How to position it?

36. How to create a custom view/dialog/toast?

37. How to create notifications in android?

38. How to apply styles/themes in android?

39. What are the different storage mechanisms in android?  Explain.

40. What is SQLite?  What are its advantages?

41. How do we create databases in android?

42. What is a content provider?  Why do we need it?

43. How do we create a content provider?

44. What is a content URI?

45. What is a content resolver?

46. What is application context and activity context?

47. What is a cursor and content value?

48. What is a service?  Explain different types of service in android.

49. Explain service lifecycle.

50. What is AIDL? 

51. Explain the steps to create AIDL service.

52. What are the different IPC mechanisms in android?

53. What are handlers and loopers?  Why do we need them?

54. What is asyntask?  How is it different from handlers?

55. What is an apk?

56. What is dx tool?

57. What is adb?  How does it work?

58. What is DDMS?

59. What is android emulator?

60. What is traceview?  Why is it used?

61. What is monkey?

62. Explain application-signing process in android.

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