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

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...

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 Wear OS Tiles are different from regular Android layouts, how to implement your own Tile and handle user interactions.

Learn how to create a Gradle plugin within your existing Android app, or as a standalone project that you can publish and use in any Android project.

Learn about Android Services and the differences between foreground, background and bound services.

DataStore is Google’s new and improved solution for persisting simple pieces of data by using either key-value pairs or protocol buffers for storing typed objects. It does so using Kotlin...

In this tutorial, you’ll build an Android app, using the full potential of Kotlin Enums to handle a list of cartoon avatars and help your users easily create their profiles.

In this Values and Mutability tutorial, you’ll learn how to declare mutable, immutable, constant, late/lazily initialized, static & inline values.

Learn how to use a variety of dialogs to display different types of information, show touch states and progress indicators and provide quick updates to users with snackbars and toasts.

Looking for a great first repo to make some open source contributions? Why not contribute to the official raywenderlich.com mobile apps?

Learn how to implement biometric authentication in your Android app by using the Android Biometric API to create an app that securely stores messages.

In this Kotlin Playground tutorial, you’ll learn how to use the online tool to write, run and share your code for different targets like JVM, JS and JUNIT.

Android 11 has amazing new features that allows developers provide great user experiences. In this course you are going to learn how to create bubble notifications to give users a quick way to...

Learn about Hilt and its API. Discover how Hilt facilitates working with Dagger by migrating the code of an existing app from Dagger to Hilt.

Learn how to create a GraphQL server using Ktor

Learn how to use Bubbles in Android to add notifications and create conversational shortcuts for Direct Share.

In this tutorial you’ll learn how to read and write data to Jetpack DataStore, a modern persistance solution from Google.

Learn how to integrate the Android Playback Capture API into your app, allowing you to record and play back audio from other apps.

Updated for 2020! Learn the basics of Android development by creating your own game. This course is designed for people new to both Android and development as a whole.

Learn about different ways to save data on Android! Use SharedPreferences to store user-facing configuration, use Files to store complex data in the form of JSON or media files, and use the SQLite...

Covers loads of cool concepts in local data persistence, using the Room database on Android. Learn how to use Entities, Queries, Relations, Kotlin Coroutines, Type Converters, and database...

Learn how to use algebraic operations to better understand functional programming concepts like class constructs, typeclasses and lists in Kotlin & Arrow.