Kotlin is a modern programming language that compiles to Java bytecode. It is free and open source, and promises to make coding for Android even more fun.

Learn about top-level functions, lambda expressions, anonymous functions, local functions, infix functions, and member functions in Kotlin.

In this short tutorial, you'll learn everything you need to know to aptly use Java's Single Abstract Method (SAM) interfaces in Kotlin code.

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Creating multithreaded Android applications doesn't have to mean lengthy code. Learn about Kotlin's useful techniques for running operations in parallel.

Learn how to use the new RecyclerView Selection library to create an Android app that offers an intuitive interface for selecting multiple items in a list....

The Kotlin language for Android apps lets you do coding that would either be much more verbose in Java or not possible to achieve with Java alone. Learn how...

Do you want to learn more about Android development with Kotlin? How about learning concurrency in Python, or creating high-performing websites with...

Slices are shaping up to be an important tool to keep your users coming back for more, so now’s the perfect time to get some hands-on experience with this...

Heard positive things about the Kotlin language for Android apps and want to try it for yourself? Find out how to set up and start coding in this new...

Learn about the Paging library from the Android Architecture Components suite and how to use it to create a smoother user experience for large data sets.

Firebase ML Kit is a library that allows you to effortlessly, and with minimal code, use a variety of highly accurate, pre-trained deep neural networks in...

Learn about how to write UI tests with the Espresso testing framework and automate your test workflow, instead of using the tedious and highly error-prone...

Picasso is a popular open-source Android library for loading both local and remote images. Learn how to easily use it for handling your image loading needs.

Anko is an open-source library that will change the way you create Android apps. Learn Anko's helper functions for layouts, dialogs, intents, and SQLite.