Supreme Android Development Test - 66+ MCQs: Android Development Quiz: Test Your Knowledge with Android Questions and Answers

1. What is an 'Intent' in Android?

A class for creating user interfaces

A message-passing mechanism between components

A database management system

A layout file for XML views

2. Which XML attribute is used to specify the layout width and height of a view in Android?

android:layout_width

android:size

android:dimensions

android:layout_size

3. Which layout manager is typically used for creating a scrollable list of items in Android?

LinearLayout

RelativeLayout

RecyclerView

GridLayout

4. Which file extension is used for Android layout files?

.java

.xml

.html

.css

5. What is an APK in Android development?

Advanced Programming Kernel

Android Program Kit

Application Package File

Android Project Key

6. Which layout is typically used for creating a user interface that adapts to different screen sizes and orientations?

LinearLayout

RelativeLayout

ConstraintLayout

GridLayout

7. What does XML stand for in the context of Android app development?

eXtensible Markup Language

Extensible Mobile Language

Executable Mobile Layout

Expressive Mobile Language

8. What is the primary database used in Android for local storage?

MySQL

SQLite

MongoDB

Firebase

9. What is the purpose of the Android NDK (Native Development Kit), and in which scenarios is it typically used?

The Android NDK is used for creating user interfaces in Android apps.

It is used for developing Android apps that primarily rely on web technologies.

The Android NDK allows developers to write parts of their app in native code (e.g., C or C++) for performance-critical tasks.

It is a tool for debugging Android apps.

10. What is an emulator in Android development?

A virtual machine for running Android apps on a computer

A physical device used for testing apps

A code editor for writing Android code

A tool for designing user interfaces

11. What is the purpose of the SharedPreferences in Android?

To share app settings with other apps

To store data temporarily in RAM

To display pop-up messages

To play music

12. Which component is responsible for handling system-wide broadcast events in Android?

Activity

Service

Broadcast Receiver

Content Provider

13. What is an APK in the context of Android?

A file format for Android apps

A type of Android device

A programming language

An Android website

14. What is the purpose of the Intent class in Android?

To represent an operation to be performed

To play music

To take photos

To send emails

15. What is the Android Fragment class, and how is it used in building Android app UIs?

The Android Fragment class is used to create animations in Android apps.

It is a class for managing user preferences in Android apps.

The Android Fragment class represents a portion of a user interface or behavior that can be added to an activity. Fragments are often used to build flexible and modular UIs in Android apps.

It is a class for creating background services in Android apps.

16. Which component is responsible for background tasks in Android?

Activity

Service

Broadcast Receiver

Content Provider

17. Which file contains the app's resources such as images and layouts in Android?

Java files

Gradle files

Manifest file

Res directory

18. What is the Android Jetpack library, and how does it simplify Android app development?

Android Jetpack is a tool for optimizing app performance on older Android devices.

It is a library for creating augmented reality (AR) apps on Android.

Android Jetpack is a set of libraries, tools, and architectural guidance that simplifies complex tasks in Android app development, such as navigation, data persistence, and UI components.

It is a tool for analyzing and improving battery usage in Android apps.

19. Which programming language is commonly used for Android app development?

Java

Python

Ruby

20. What is the main function of the 'R.java' file in Android development?

To store resource references

To execute app code

To manage database operations

To handle network requests

21. Which XML file is used to define the user interface layout of an Android Activity?

AndroidManifest.xml

Layout.xml

UI.xml

Activity.xml

22. What is the purpose of the IntentService in Android?

To start an Activity

To send notifications

To perform background tasks sequentially

To display ads

23. What is the purpose of the AndroidManifest.xml file in an Android app?

To declare app permissions and components

To store user preferences

To define app layouts

To manage app data

24. Which Android component is responsible for handling asynchronous tasks?

Activity

Service

Broadcast Receiver

AsyncTask

25. What is the purpose of the 'permissions' attribute in the AndroidManifest.xml file?

To specify the app's target SDK version

To declare the app's minimum required Android version

To define the app's package name

To request necessary permissions for the app

26. What is the Android Intent system, and how is it used in app development?

The Android Intent system is a tool for measuring the performance of Android apps.

It is a messaging system that allows components to request functionality from other components, either within the same app or between different apps.

It is a database system for storing user preferences in Android apps.

It is a version control system for managing changes to app source code.

27. Which layout manager is commonly used for creating user interfaces in Android?

FlowLayout

GridLayout

BoxLayout

LinearLayout

28. What is an Intent in Android?

A strong desire to do something

A message that represents an operation to be performed

An Android app

A type of Android device

29. In Android, what is the 'adb' tool used for?

Android Debug Bridge

App Deployment Builder

Android Development Browser

Application Debugging Bundle

30. What is the main function of the RecyclerView in Android?

To display a map

To capture photos

To show a list of items with efficient scrolling

To play videos

Android Development MCQ Test 3