UPDATED: Common Android Developer Interview Questions and Answers

Alessandro Faranda Gancio
12 min readMay 10, 2023

As an experienced Android developer, I have been through numerous job interviews, both as a candidate and an interviewer. While every interview is unique, there are some common questions that are asked in almost every Android developer interview. Whether you are a seasoned professional or a fresh graduate looking for your first job, it is crucial to prepare for these questions to increase your chances of landing the job.

In this article, I will share with you some of the most commonly asked Android interview questions and provide you with the answers that will help you stand out from the competition. We will cover a range of topics, including Java and Kotlin, Android architecture, design patterns, and more. So, let’s get started and prepare for your next Android job interview!

Here is a list of common question and answer that I’ve been challenged during a long and interminable interviewing phase of my life:

[May 16th 2023] Comment for sharing other relevant questions to add in this up to date list.

  • What is the purpose of a Coroutine Scope in Kotlin coroutines and how are nested Coroutine Scopes used?

A CoroutineScope in Kotlin coroutines is an interface in the kotlinx.coroutines package that provides a structured way to manage…

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Alessandro Faranda Gancio

Hi, I'm Alessandro, an Android Developer with a passion for building high-quality applications. Follow me for insights and tips.