Hello, welcome to our blog. Are you preparing for an Android development interview? Whether you are a beginner or an experienced developer, understanding and knowing the basic concepts of Android is very important and is the key to your interview. In this blog, we have provided a collection of very important Top Android Development Interview Questions (MCQs), which cover the basic concepts of Android development from Lifecycle Management to important concepts like UI components and background services. These questions will help you prepare thoroughly for your next Android Development Interview. Let’s discuss the questions.
Android Development Interview MCQs: Top 30 Questions with Answers
1. Which of the following is NOT an activity lifecycle method?
- a) onCreate()
- b) onStart()
- c) onPause()
- d) onBackPressed()
2. Which file is used to declare permissions, services, and activities in an Android app?
- a) build.gradle
- b) AndroidManifest.xml
- c) activity_main.xml
- d) strings.xml
3. What is the purpose of the Gradle file in Android projects?
- a) It handles UI layouts.
- b) It manages dependencies and builds the project.
- c) It configures app permissions.
- d) It defines resources like strings and colors.
Answer: b) It manages dependencies and builds the project.
Explanation: Gradle is a build automation tool used in Android to manage dependencies, compile code, and automate building tasks.
4. What is an Intent in Android?
- a) A user interface component.
- b) A mechanism for launching activities or services.
- c) A background service.
- d) A content provider interface.
5. Which of the following methods is used to handle screen rotations or configuration changes?
- a) onPause()
- b) onConfigurationChanged()
- c) onRestart()
- d) onDestroy()
6. Which of these classes is used to display large datasets efficiently in Android?
- a) ListView
- b) ScrollView
- c) RecyclerView
- d) WebView
7. In Android, what is the purpose of the ViewGroup class?
- a) To create new activities.
- b) To handle lifecycle callbacks.
- c) To hold and arrange child views.
- d) To define the app’s theme.
8. Which of the following is NOT a valid Android component?
- a) Activity
- b) Fragment
- c) Service
- d) LayoutManager
9. What is the default orientation of LinearLayout?
- a) horizontal
- b) vertical
- c) grid
- d) none
10. What is the purpose of the AsyncTask class in Android?
- a) To perform background operations and publish results on the UI thread.
- b) To handle touch events.
- c) To manage database operations.
- d) To provide networking utilities.
11. What does ANR stand for in Android?
- a) Android Not Running
- b) Application Not Responding
- c) Activity Not Responding
- d) Application Not Running
12. What is a Fragment in Android?
- a) A background process that handles UI events.
- b) A reusable portion of the user interface in an Activity.
- c) A third-party library for networking.
- d) An extension of the SQLite database.
13. Which method is used to start a new activity?
a) startActivity()
b) newActivity()
c) startNew()
d) launchActivity()
14. In Android, what is the ViewModel class used for?
- a) To store and manage UI-related data.
- b) To create animations.
- c) To display web content.
- d) To define layouts.
15. What does Context represent in Android?
- a) The environment in which an app runs.
- b) The layout configuration for views.
- c) A type of user interface element.
- d) The background thread pool.
16. Which class in Android is used to handle databases?
- a) SQLiteHelper
- b) SQLManager
- c) SQLiteDatabase
- d) SQLiteExecutor
17. What is the role of SharedPreferences in Android?
- a) To save files to internal storage.
- b) To store primitive data in key-value pairs.
- c) To share data across applications.
- d) To store user interface layouts.
18. Which component is used to broadcast messages to multiple apps?
- a) Intent
- b) BroadcastReceiver
- c) Service
- d) ContentProvider
19. What is the purpose of Handler in Android?
- a) To handle user inputs.
- b) To schedule messages and runnables to be executed on a thread.
- c) To manage app permissions.
- d) To process HTTP requests.
20. What is the function of the Adapter in Android?
- a) To manage app permissions.
- b) To connect data with UI components like ListView and RecyclerView.
- c) To handle background services.
- d) To display web content.
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