AAD App Functionality & Behavior

Question 1

Which method is used to start a new Activity in an Android application?

Accepted Answer

startActivity()

Answer

startActivity() is used to launch a new Activity from another Activity within an Android application.

Question 2

Which lifecycle method is called when an Activity becomes visible to the user?

Accepted Answer

onStart()

Answer

The onStart() method is triggered when an Activity becomes visible but is not yet in the foreground.

Question 3

Which component is responsible for handling background tasks in an Android app?

Accepted Answer

Service

Answer

A Service is used to perform long-running operations in the background without direct user interaction.

Question 4

Which Android component allows an app to send and receive messages globally within the system?

Accepted Answer

BroadcastReceiver

Answer

A BroadcastReceiver listens for system-wide broadcast messages and can respond to various system events.

Question 5

What is the purpose of an Intent in Android?

Accepted Answer

To request an action from another component

Answer

Intents are used to request an action from another component, such as starting an Activity or Service.

(AAD) Associate Android Developer Certification Practice Test