Articles & Tutorials

When it comes to dependency injection on Android, we’ve seen many different solutions that have arisen in the community. In this post, Joe Birch focuses on these Dependency Injection solutions, including the new Dagger Hilt from Google.

Google announced Kotlin Symbol Processing (KSP) today, a new compiler-plugin-based API for annotation processing in Kotlin. Zac Sweers shares his first impressions.

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Here’s a round up of the latest updates in Jetpack by Florina Muntenescu.

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Adam McNeilly writes how unlike mocks, fake implementations give us full control of our dependencies in unit tests, allowing us to accurately and thoroughly test reactive flows.

The Cash App Android app uses presenters because they’re easy to write, easy to review and result in boring code that just works. In this post, Benoît Quenaudon shows how to use presenters with or without RxJava.

MotionLayout is a wonderful tool for creating complex layout animations. In this post, Mark Allison looks at some oddities concerning the visibility of views within the layout.

Dagger Hilt is a new library from Google which constitutes a thin wrapper around Dagger 2 dependency injection framework. Vasiliy Zukanov examines the details of how to use it, and if in fact, you should.

How do I define my network call interfaces in Kotlin? Bevan Steele shows the best way to make network calls using Kotlin Coroutines.

What are Kotlin Exceptions and how should you use them? Kotlin lead Roman Elizarov takes a closer look.

Francisco Franco shows how to create a draggable bottom navigation drawer.

As Ryan Harter has become better at testing, and programming in general, he's come to use Mock objects less and less, even removing them from existing projects and using Fakes instead.

Paul Woitaschek recently updated the android gradle plugin to 4.0.0, and noticed that network calls were hanging. He writes about how he tracked it down, and which Proguard rule was causing the issue.

Raul Hernandez Lopez prepares to migrate an RxJava + Java application to Kotlin + Coroutines/Flows. In this third part, he elaborates on the details of the data layer.

Raul Hernandez Lopez prepares to migrate an RxJava + Java application to Kotlin + Coroutines/Flows. In this second part, he details asynchronous communication with streams.

Raul Hernandez Lopez prepares to migrate an RxJava + Java application to Kotlin + Coroutines/Flows. In this first part, he writes about the use case & migration strategy.

Libraries & Code

Snippets and guides for Jetpack Compose on the Android platform

Romain Guy's sample app for Jetpack Compose Developer Preview 2

A Kotlin DSL for finite state machine.

News

Google has numerous updates on all the new features announced in March of this year, at the Google for Games Developer Summit.

Over 11 weeks, we'll be diving deeper into different areas of Android with new developer content. Each week brings a new focus, everything from UI to Android Jetpack to Machine Learning.

Play Console has been redesigned from the ground up to ensure it continues to help you grow your business on Google Play for years to come. Try the beta today!

Google's unwrapping the Beta release for Android 11 as well as the latest updates for developers from Kotlin coroutines, to progress on the Jetpack Compose toolkit, to faster builds in Android Studio, even a refreshed experience for the Play Console.

As part of Google's work to help you deliver better game experiences to more Android users, they've introduced Android Performance Tuner - a new library in the Android Game SDK that unlocks game performance insights in Android Vitals.

Google is launching Billing Library version 3. Now available, this newest version includes new ways users can pay, subscription promotion capabilities, purchase attribution for games, and improvements to purchase reliability and security

This web app pulls most recent android distribution data from Android Studio, while making historical data available as well.

Videos & Podcasts

The playlist for Virtual Android Makes 2020, including all presentations.

The first Beta of Android 11 is out, with a focus on People, Controls, and Privacy. Find out more about the release as well as developments in other libraries and tools, including Jetpack, Android Studio, Kotlin, the Google Play Console Beta, and Jetpack Compose Developer Preview 2.

A virtual panel discussion with expert Android engineers Jake Wharton, Sha Sha Chu, Donn Felker, and Alex Chioua.