Master Kotlin & Android 60-Hour Course

Do you want to create the next groundbreaking mobile app? Kotlin, a modern and powerful language officially backed by Google, not only makes Android development more efficient and enjoyable but also opens doors to diverse programming opportunities be...

May 14, 2025 - 17:36

Do you want to create the next groundbreaking mobile app? Kotlin, a modern and powerful language officially backed by Google, not only makes Android development more efficient and enjoyable but also opens doors to diverse programming opportunities beyond mobile. Whether you're looking to build innovative applications, solve real-world problems, or join a thriving global community of developers, learning Kotlin and Android is a great investment in your future.

We just posted a massive 60-hour Kotlin and Android Development course on the freeCodeCamp.org YouTube channel. This course will help you master modern Android practices. Alexandru Cristian developed this course. It’s packed with hands-on practice, ensuring you not only learn the theory but also apply it by building multiple real-world applications.

This is a thorough exploration of the Kotlin programming language and the Android development ecosystem. Here’s a glimpse of what you’ll learn:

Kotlin from the ground up

- Solidify your understanding of Kotlin syntax, variables, operators, control flow (loops, conditionals), and null safety.
  - Dive deep into Object-Oriented Programming (OOP) with Kotlin, covering classes, inheritance, interfaces, abstract classes, and data classes.
  - Master Kotlin Collections (lists, sets, maps) and powerful functions to manipulate them.
  - Explore advanced concepts like Generics, Lambda functions, and Kotlin Coroutines for efficient asynchronous programming.
  - Even touch upon SQL basics to understand data persistence.

Comprehensive android development

- Get started with Android Studio and understand the Android project structure.
  - Learn traditional UI development with XML, including various layouts (LinearLayout, RelativeLayout, ConstraintLayout) and UI widgets.
  - Master Android Activities and Fragments, their lifecycles, and how to navigate between screens using Intents and the modern Navigation Component.
  - Build dynamic lists with RecyclerView.
  - Understand and implement Material Design principles.
  - Work with data persistence using Room Database and connect to the cloud with Firebase Firestore.
  - Make network requests and handle APIs using Retrofit and parse JSON data.
  - Implement robust app architecture using MVVM (Model-View-ViewModel), LiveData, and potentially Dependency Injection.
  - Get an introduction to the future of Android UI with Jetpack Compose.

Theory is important, but practice is what makes a developer. Throughout this 60-hour course, you'll be building a portfolio of applications. The final project is an Uber clone that will have you implementing features like maps integration, user authentication, real-time location tracking, and more, demonstrating truly professional-grade development techniques.

Start learning today

Learning Kotlin and Android development opens doors to an exciting career in mobile technology. Android powers billions of devices worldwide, and skilled developers are in constant demand. Kotlin is a modern, concise, and powerful language officially supported by Google for Android development, making it an essential skill for today's app creators.

Watch the full course on the freeCodeCamp.org YouTube channel (60-hour watch).