Kotlin Kotlin Android Development

Question 1

What is Jetpack Compose in Android development with Kotlin?

Accepted Answer

A modern declarative UI toolkit for building Android UIs with Kotlin

Answer

A build tool for Kotlin projects

Answer

A dependency injection framework

Answer

A testing library for Android

Question 2

Which annotation marks a composable function in Jetpack Compose?

Accepted Answer

@Composable

Answer

@Component

Answer

@UIFunction

Answer

@Layout

Question 3

What is `ViewModel` used for in Android Kotlin development?

Accepted Answer

Storing and managing UI-related data that survives configuration changes

Answer

Drawing custom views

Answer

Handling network requests directly

Answer

Parsing XML layouts

Question 4

What is `LiveData` in Android?

Accepted Answer

An observable data holder that respects Android lifecycle

Answer

A real-time database

Answer

A coroutine-based stream for all platforms

Answer

A class for storing large data blobs

Question 5

Which Kotlin Jetpack library provides type-safe navigation between Android screens?

Accepted Answer

Navigation Component

Answer

Room

Answer

WorkManager

Answer

DataStore

Question 6

What is Room in Android Kotlin development?

Accepted Answer

A Jetpack persistence library that provides an abstraction layer over SQLite

Answer

A UI layout system

Answer

A coroutines-based networking library

Answer

A memory management tool