Articles & Tutorials

Kristina Simakova shows how to use Augmented Faces functionality from ARCore to create Android try-on beauty app.

Bartek Lipinski writes an explanation of a common misconception & misuse of Dagger that many people are unaware of.

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If you are a home automation developer building an IoT device, or want to connect an existing IoT device to the Google Assistant, here are some best practices by Nick Felker.

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Parallax scrolling can be a really interesting technique to use to give parts of your app a bit more life and character. Mark Allison demonstrates how this technique can be applied when using ViewPager2.

Dom Elliott presents 16 reasons why it might make sense to switch to using the relatively new Android App Bundle for publishing your apps.

With Android Q, we see a new addition added to the Power Manager API that allows us to both retrieve and listen to the state of a device thermal status. Joe Birch introduces how to use this new API.

A completely new tutorial on Dagger. where wach section gets us one step closer to building a sample application that uses Dagger. It includes plenty of code snippets to show you exactly what is happening.

Lucy shares a series of posts to show how to pick a starting point for your Firebase Realtime Database rules and how build them out with dependencies gradually.

In this codelab, you'll learn how to refactor your code from Java to Kotlin. You'll also learn what the Kotlin language conventions are and how to ensure that the code you're writing follows them.

Coroutines give us all the benefit of asynchronous and non-blocking behavior but without the lack of readability. This hands-on tutorial familiarizes you with the concept of coroutines.

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Libraries & Code

An easy way to persist and run code block only as many times as necessary on Android.

Simple multiplatform SEA (Systems, Entities, Attributes) library written in multiplatform Kotlin which takes care of managing your game entities.

News

In Android Q there's a new API which allows applications to capture the audio of other applications. It's called the AudioPlaybackCapture API and it enables some important use cases for easier content sharing and accessibility.

Google rolled out Beta 5, bringing Android Q Beta very close to the system behaviors you'll see in the final release. Developer APIs were already finalized in the previous update. So, now is the time to test your apps for compatibility and make sure they are ready!

Displaying text is an important task in most apps, so in Android Q Google is continuing to introduce new features to support your needs and improve performance

Videos & Podcasts

Nate Ebel teaches the Kotlin programming language in this 2.5h introduction to Kotlin.

Includes all the presentations from both the Kotlin and Android tracks from Conference for Kotliners 2019.