Learn how to use fastlane to automate tasks like generating screenshots, updating metadata for your Android apps and uploading apps to the Play Store.

Master Git! Chances are if you’re involved with software development you’ve heard of and have used Git at some point in your life. Version control systems are critical for any successful...

We’ve partnered with the Flutter team at Google to give you full access to the best book to learn Flutter development — Flutter Apprentice!

In this tutorial, you’ll learn how to combine Jetpack Compose and the repository pattern, making your Android code easier to read and more maintainable.

Learn to use Cucumber, Gherkin, Hamcrest and Rest Assured to integrate Behavior-Driven Development (BDD) in an application made using Spring Boot and Kotlin.

Learn how to use Realm database on Android for data persistence. You’ll learn how to add it to your android app and utilize its features.

Jetpack Compose is revolutionizing the way Android developers build Android applications, so it’s no surprise that it’s also revolutionizing the ways Android developers create animations! In this...

We’re looking for Android devs to write and tech edit articles with us. Read on for how to apply!

Learn how to use the new RenderEffect API in Android 12 to efficiently add custom styles to your views like blurs, saturation, offset, and more.

Learn how to use Android’s drag-and-drop framework to enable an advanced gesture-based user experience.

Learn how to best use interfaces and abstract classes to create class hierarchies in your Kotlin Android apps.

Learn how to get started with testing with Hilt by writing UI and instrumentation tests.

Persist data on Android by storing it locally or remotely. Use modern data synchronization techniques to make your app reactive—with our newly-revised book!

Save Data on Android! Persisting data has always been a fundamental part of any app. Saving data locally or remotely with modern techniques for synchronization allows your app to always be...

In this course, learn how to use the Navigation Architecture Component provided by Android Jetpack Library to simplify navigation in your app. It also helps you visualize your app’s navigation...

Learn to track your activities in your Android app by creating a fitness app that uses the Activity Recognition API.

We’re currently looking for a new season host for our raywenderlich.com podcast. Apply now!

In this course, we will introduce you to SQLDelight, a generator for typesafe Kotlin code based on SQL database statements, with built-in support for migrations, schema validation and IDE...

Learn how to integrate the powerful detekt tool in Android app development to help detect and prevent code smells during the development process.

Learn how to use the Android Sleep API in your Kotlin apps to track when the user is asleep, awake, how long they slept, and the confidence of the results.

Dive into test-driven development (TDD). Build testable, sustainable Android apps via JUnit, Mockito, and Espresso. Learn how with our updated book!

Learn Test-Driven Development on Android! Writing apps is hard. Writing testable apps is even harder, but it doesn’t have to be. Reading and understanding all the official Google documentation on...

Until now keyboards and Androids seemed to go in opposite directions. There was no API you could query to learn if the keyboard was open or to know its size. When the keyboard popped up, the screen...

Destructuring declarations is a Kotlin feature that gives you a tool for easily extracting data from a collection in a simple and clean way.