Articles & Tutorials

When it comes to the Floating Action Button, Joe Birch shows that there are three methods available that we can use to compose the component – each of these provides us with a different way of building our FAB.

In this series, Darren Atherton walks through a feature that he's been working on while describing some of the shared processes/systems, how he planned and implemented a solution and some of the technical decisions he made along the way.

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Dan Nesfeder explores the new MotionEditor tool that aims to even further simplify creating complex animations with MotionLayout.

Zarah Dominguez shares a technique for making //TODO comments in code more managable.

In the process of upgrading his apps using Jetpack Compose from dev05 to dev06, Ian Warwick took the time to jot down some breaking changes as he fixed them.

Mark Allison continues the series, this time building an animated play/pause icon.

Márton Braun shows that coroutines always rely on cooperative cancellation, and what that means when using them.

The RecyclerView is an extremely flexible and indispensable Android ViewGroup. TJ shares a technique to avoid some boilerplate code in the implementation via reusable extensions.

Adam McNeilly describes TDD and walks through how to do it while showing off its benefits.

While enums are very helpful in defining a simple set of states, there are some limitations to an enum. Katie Levy shows where Kotlin sealed classes come into the picture.

Florina Muntenescu shows how to start using sealed classes to model restricted class hierarchies allowing the compiler and IDE to help you avoid type errors.

Rebecca Franks describes what Kotlin inline classes are, and how to use them.

With Jetpack Compose’s “dev05" release, a new component called AdapterList was released. In this blog post, Nikit Bhandari explores this component.

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Design

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Jobs

SCRUFF & Jack'd, two of the largest gay social dating apps on Android with more than 20M members worldwide, are looking for experienced Android developers to work on the next generation of their app.

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Libraries & Code

A customizable and easy to use BottomBar navigation view with sleek animations.

A Kotlin script that nukes all build caches from Gradle/Android projects. Useful when Gradle or the IDE let you down 💔

Kotlin Flow version of Rx-preferences -- Coroutines support for Android SharedPreferences

Uber's cross-platform mobile architecture framework

AndroidColorX is a library to provide color utilities as Kotlin extension functions

Videos & Podcasts

Kotlin Standard Library offers two ways of working with containers: eagerly - with collections, and lazily - with sequences. Florina Muntenescu explains the difference between the two, which one you should use and when, and what are the performance implications of each of them.

Dave Smith explores how you can debug account linking errors with Actions on Google.

In this episode, Chet talked with Amith Yamasani, Makoto Onuki, and Kweku Adams from the framework team about power management.

For this Firebase Semi-live series, you'll use the power of Cloud Functions to create SQL-like joins in our Cloud Firestore-powered app

In this introductory episode, find out more about our podcast and what’s coming up, and get to know the hosts; Tamzin Taylor and Dirk Primbs, a little better