Question 1

What is an Activity in Android, and how does it relate to a screen in an app?

Accepted Answer

An Activity represents a single, focused screen with a user interface, and the Android system manages the stack of Activities the user has navigated through.

Question 2

What is MVVM, and why is it the recommended architecture pattern for Android apps?

Accepted Answer

MVVM splits an app into Model, View, and ViewModel layers, cleanly separating UI code from business logic so both are easier to test independently.

📱 Mobile & Android DeveloperInterview Questions

📱 Mobile & Android Developer
Interview Questions