Quiz | Croma Campus

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What does the 'R' class in Android represent?

Resources
Remote Services
Resolved Classes
Recent Activities

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How do you handle long-running operations in Android without blocking the UI?

Using background threads
Using main thread
Using UI thread
Using main activity thread

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What does the term "Fragment" refer to in Android development?

A UI component
A background service
A layout manager
A data storage option

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Which class in Android is used to store and retrieve data in the form of key-value pairs?

SharedPreferences
ContentProvider
SQLiteDatabase
FileProvider

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Which attribute is used to specify the id of a view in Android?

id
view_id
android
viewid

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What is Android?

Operating System
Programming Language
Database
Web Server

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What is the use of RecyclerView in Android?

To display a fixed number of items
To display a large dataset of items
To handle user input
To manage network operations

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What is the use of the 'Room' library in Android?

UI design
Database management
Dependency injection
Network requests

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Which keyword is used to define a constant in Java?

const
final
static
immutable

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Which method is called when an activity is started for the first time?

onStart()
onCreate()
onResume()
onDestroy()

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How can you handle different screen sizes in Android?

Use of flexible layouts
Fixed layouts
Using pixel-based dimensions
Ignoring the issue

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Which class is used to play audio in Android?

MediaPlayer
AudioPlayer
SoundPlayer
MediaController

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What is the main component of the Android architecture?

Applications
Linux Kernel
Libraries
All of the above

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How is a Toast message displayed in Android?

Toast.makeText()
Toast.show()
Toast.display()
Toast.create()

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What is the purpose of a ViewGroup in Android?

To handle background tasks
To provide navigation
To store UI components
To display data

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What is the AndroidManifest.xml file used for?

Declaring app components
Defining UI layouts
Storing data
Handling background tasks

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What is ADB in Android?

Android Debug Bridge
x
Application Development Bridge
Application Database

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How do you define a layout in XML for an Android application?

<layout>
<view>
<design>
<xml>

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What is the default value of a boolean variable in Java?

TRUE
FALSE
null
0

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Which method is used to start an activity for a result in Android?

startActivity()
startActivityForResult()
startResultActivity()
startForResultActivity()

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What is ANR in Android?

Android Non-Responsive
Application Not Running
Android Not Running
Application Not Responding

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What is the purpose of the Gradle build system in Android development?

To compile source code
To manage dependencies
To provide a testing framework
All of the above

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Which of the following is NOT a lifecycle method of an activity in Android?

onCreate()
onPause()
onResume()
onTerminate()

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How can you define a new style in Android?

In strings.xml
In styles.xml
In layout.xml
In colors.xml

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Which component is NOT part of the Android application structure?

Activities
Fragments
Intents
Servers

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How do you declare a service in AndroidManifest.xml?

<service>
<intent>
<activity>
<receiver>

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What does APK stand for?

Android Phone Kit
Android Page Kit
Android Package Kit
Android Package Keeper

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What is the use of the ProGuard tool in Android development?

To manage app dependencies
To optimize and obfuscate the code
To provide analytics
To handle UI rendering

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