Introduction to Android with Kotlin

4.549 hours1K learnersBeta
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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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.
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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.

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

Basic Calculator

Do you want to have a custom calculator on your smartphone? Create a basic calculator app and get to know Android Studio better. You will work with a UI and learn how to make your program respond to user actions.

Graduate

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Topics covered by this course

Fundamentals
35 topics
Mobile
32 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 from the industry experts

JetBrains Academy

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

Julian Seitz
3 weeks 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.
Gerson Santos da Silva avatar
Gerson Santos da Silva
2 months ago
I learned a lot in this course and the next step is Android Developer with Kotlin
EVGENII MORGUNOV avatar
EVGENII MORGUNOV
9 months ago
During this course, I learned the fundamental skills needed to create, design, and deploy simple mobile apps using Kotlin and Android Studio. Here are some key takeaways and challenges I faced: Key Learnings: Android Development Basics: Understanding the Android project structure, working with XM ...

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