| S.No | Question |
|---|---|
| 1. | Explain the history of the Android operating system. |
| 2. | What is the Android application architecture? |
| 3. | What is the difference between Dalvik Virtual Machine (DVM) and Android Runtime (ART)? |
| 4. | Explain the concept of Just-In-Time (JIT) compilation in Android. |
| 5. | What are the benefits of using ART over DVM in Android? |
| 6. | Which tools are commonly used for Android app development? |
| 7. | Explain the Android software development kit (SDK) and its components. |
| 8. | What is Android Studio and how is it used for Android app development? |
| 9. | How do you set up the Android development environment? |
| 10. | What are the different APIs available for Android app development? |
| 11. | Explain the different components of an Android app. |
| 12. | What is an activity in Android? |
| 13. | How do you define activities in an Android app? |
| 14. | Explain the purpose of layouts in Android app development. |
| 15. | What are the common project folders in an Android app? |
| 16. | How do you create an activity in Android? |
| 17. | What is the role of the setContentView() method in an activity? |
| 18. | Explain the different layout types in Android. |
| 19. | How do you create a button in Android? |
| 20. | How do you handle events in an Android app? |
| 21. | What is LinearLayout and how is it used in Android layouts? |
| 22. | Explain the usage of RadioButton in Android. |
| 23. | How do you create a CheckBox in an Android app? |
| 24. | What is the purpose of the Switch component in Android? |
| 25. | How do you display images using ImageView in Android? |
| 26. | Explain the concept of a multi-activity app in Android. |
| 27. | How do you manage multiple activities in an Android app? |
| 28. | What is the activity lifecycle in Android? |
| 29. | Explain the different states of an activity in the lifecycle. |
| 30. | How do you handle activity lifecycle callbacks? |
| 31. | What is an options menu in Android? |
| 32. | How do you create an options menu in an Android app? |
| 33. | What is a context menu and how is it used in Android? |
| 34. | How do you create a context menu in an Android app? |
| 35. | Explain the concept of a popup menu in Android. |
| 36. | What is the ActionBar in Android? |
| 37. | How do you create an ActionBar in an Android app? |
| 38. | What is the purpose of the parent activity in Android? |
| 39. | Explain the GridLayout in Android and its usage. |
| 40. | Explain the GridLayout in Android and its usage. |
| 41. | What is ConstraintLayout and how is it used in Android layouts? |
| 42. | Explain the concept of dialogs in Android. |
| 43. | How do you create a dialog in an Android app? |
| 44. | What is an adapter in Android? |
| 45. | How do you use an adapter with a Spinner in Android? |
| 46. | Explain the purpose of ListView in Android. |
| 47. | How do you populate data in a ListView using an adapter? |
| 48. | What is a GridView in Android and how is it used? |
| 49. | How do you create a custom ListView in Android? |
| 50. | What are the steps involved in creating a custom GridView in Android? |
| 51. | Explain the usage of AutoCompleteTextView in Android. |
| 52. | What are the key concepts of Relational Database Management System (RDBMS)? |
| 53. | How do you perform SQLite programming in Android? |
| 54. | Explain the CRUD operations in SQLite. |
| 55. | How do you perform database operations using SQLiteOpenHelper? |
| 56. | Explain the concept of threads in Android app development. |
| 57. | How do you create and manage threads in Android? |
| 58. | What is a handler and how is it used in Android? |
| 59. | What is AsyncTask and why is it used in Android? |
| 60. | How do you display a progress bar in an Android app? |
| 61. | What is a content provider in Android? |
| 62. | How do you access contacts using a content provider in Android? |
| 63. | Explain the steps involved in accessing gallery images using a content provider. |
| 64. | How do you play audio files from the gallery in an Android app? |
| 65. | What is the process of playing video files from the gallery in an Android app? |
| 66. | How do you apply themes to an Android app? |
| 67. | Explain the concept of animation in Android. |
| 68. | How do you create and apply animations in an Android app? |
| 69. | What is localization in Android and how is it implemented? |
| 70. | What is an intent filter in Android? |
| 71. | How do you use an intent filter to receive SMS messages in an Android app? |
| 72. | How do you launch the browser, gallery, camera, and map apps using intent filters in Android? |
| 73. | What is a BroadcastReceiver and how is it used in Android? |
| 74. | How do you make HTTP requests using HttpUrlConnection in Android? |
| 75. | Explain the process of downloading images from the internet in an Android app. |
| 76. | What is the Volley library in Android and how do you use it for network requests? |
| 77. | How do you perform JSON parsing in an Android app? |
| 78. | What are the different types of HTTP requests (GET, POST, PUT, DELETE) and how do you implement them in Android using Volley? |
| 79. | What is a fragment in Android? |
| 80. | How do you create and manage fragments in an Android app? |
| 81. | Explain the role of FragmentManager and FragmentTransaction in Android. |
| 82. | What is ViewPager in Android and how is it used for horizontal navigation? |
| 83. | How do you implement tabs navigation using ViewPager in Android? |
| 84. | Explain the concept of a navigation drawer in Android. |
| 85. | How do you create and use a navigation drawer in an Android app? |
| 86. | What is a service in Android? |
| 87. | Explain the lifecycle of a service in Android. |
| 88. | How do you implement and manage services in an Android app? |
| 89. | What is the SensorManager in Android and how is it used? |
| 90. | How do you set alarms and notifications in an Android app? |
| 91. | What is Firebase Cloud Messaging (FCM) and how is it used for push notifications in Android? |
| 92. | How do you implement location tracking in an Android app? |
| 93. | What is GeoCoding and how is it used in Android? |
| 94. | How do you display and interact with Google Maps in an Android app? |
| 95. | How do you implement FCM in an Android app? |
| 96. | What is Google Authentication in Android? |
| 97. | How do you integrate Google Authentication into an Android app? |
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