Introduction to Android with Kotlin

4.446 hours1K learnersCertificate

Take your first step towards a career in mobile development. Acquire the fundamental skills needed to create, design and deploy simple mobile apps.

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JetBrains Academy

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Study at your own pace

Fit learning around your schedule. Suitable for all levels.

Learn from the experts

Short, practical text lessons by seasoned developers.

Become job-ready

Integrated with professional tools by JetBrains.

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What you'll learn

In this course, you will:

develop practical skills to build Android apps with Kotlin;
design user-friendly interfaces;
handle data and deploy apps to real devices or emulators;
work with Android Studio.

Topics covered by this course

Software development foundations

35 topics

Mobile

33 topics

Types and data structures

26 topics

Control flow

19 topics

Basics

9 topics

Object-oriented programming

9 topics

Additional instruments

7 topics

Algorithms and data structures

6 topics

System administration and DevOps

2 topics

Learn by doing

# 1

Apply knowledge into practice

You already know the theory. Now it's time to code like you do at work—in a professional IDE, with real project constraints, solving problems that actually matter. Welcome to software engineering as it should be.

# 2

Navigate complexity with surgical precision

Most developers waste months learning random concepts without seeing how they connect. Our interactive Knowledge Map fixes this. It shows exactly how every programming concept relates to others, helping you build a structured mental model of coding.

# 3

Copy the best. Then improve.

Here's what top engineers do that others don't: they study other people's code obsessively. When you get stuck on Hyperskill, you can explore solutions published by other developers. See their exact code. Understand their approach. Learn their tricks.

# 4

Code review that actually makes you better

We stripped code review down to what actually matters: does your solution work? Have you handled the edge cases? Is there a cleaner way to write this? Hyperskill acts like a competent reviewer who actually tests your code. Not genius-level analysis, not architecture debates — just solid feedback on making your code better.

Elevate your engineering mastery through real-world challenges

Master advanced engineering concepts through ambitious projects. Each project deepens your expertise and transforms you from an experienced engineer into an exceptional one.

Basic Calculator

Want your own custom calculator on your phone? Build a simple calculator app and level up your Android development skills. You'll create the UI and wire it up to respond to user actions, simple but effective.

Graduate

Secret Diary

Keeping diaries is a popular thing across the world. You can take notes about your daily experiences and personal feelings or write the goals you want to achieve. In this project, you will create your diary application secured with a password to prevent others from accessing it.

Graduate

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Learn from the industry experts

JetBrains Academy

JetBrains Academy is a part of JetBrains, a global software company specializing in the creation of intelligent, productivity-enhancing tools for software developers and teams. With years of expertise in software development and education, JetBrains Academy empowers more than a million people worldwide to learn and teach computer science, and help organizations inspire their teams to reach their goals in tech. Professional development tools play a big role in computer science education. This is why JetBrains Academy courses offer integration with JetBrains IDEs. This integration assists learners in getting experience with real development processes to streamline their learning curve at future work.

Your peers think Hyperskill rocks

Charles Perry

3 weeks ago

Gain a good working knowledge of the basics of Android Programming. A great foundation for the Android Developer course,

Julian Seitz

11 months ago

This course helped me get a first look at Kotlin and Android development, when I had not known where to start.The projects are a bit rough around the edges and often use relatively old versions of libraries.