AAD AAD Android Architecture & App Components

Question 1

Which Android component serves as the primary entry point for user interaction and displays a single screen with a user interface?

Accepted Answer

Activity

Answer

Service

Answer

BroadcastReceiver

Answer

ContentProvider

Question 2

Which Android component is designed to perform long-running background operations without a user interface?

Accepted Answer

Service

Answer

Fragment

Answer

Activity

Answer

Intent

Question 3

In the Activity lifecycle, which method is called when the Activity is first created?

Accepted Answer

onCreate()

Answer

onStart()

Answer

onResume()

Answer

onRestart()

Question 4

What is the primary purpose of an Intent in Android?

Accepted Answer

To facilitate communication between components

Answer

To store persistent data

Answer

To define UI layouts

Answer

To schedule background tasks

Question 5

Which Activity lifecycle method is called when the Activity becomes visible to the user but may not yet be in the foreground?

Accepted Answer

onStart()

Answer

onResume()

Answer

onRestart()

Answer

onPause()

Question 6

What is a Fragment in Android?

Accepted Answer

A reusable UI portion that lives inside an Activity

Answer

A standalone app process

Answer

A background service component

Answer

A type of Intent