Articles & Tutorials

Artem Chubaryan talks about a particular issue he was debugging recently in one of our Square's Android SDKs.

The team at IceRock has shared a codelab for building an app for Android & iOS using Kotlin Multiplatform Mobile.

GDE Thomas Künneth writes a series of articles on creating a retro game using Jetpack Compose.

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In this article, Lachlan McKee shares his journey building with Jetpack Compose, explores what he believes is a scalability problem within the documentation provided by Google, and presents a possible solution.

In this article, Shreyas Patil shows how you can obtain the instance of ViewModel for usage in Composable screen which is supported by AssistedInject.

The Nearby Connections API allows your users to connect with each other even when no internet is available. Isai Damier takes a look at how to integrate it into an app.

In this blog post by Francesco Romano, you will learn a simple and efficient way to adapt your app’s layout when it runs on foldable devices.

Prashant Barahi shows how composition makes your Kotlin code more extensible and easy to maintain

Kirill Rozov enumerates the various changes coming in Android 12 that developers should look for.

In WorkManager 2.6, Google has taken it a step further to add support for Workers to run in any process and allow workers to be bound to a particular process. Caren Chang explains how this works.

A big change that comes with targeting API 30 is the requirement to work with Scoped Storage. Nicole Borrelli provides recommendations and possible alternatives for how to adapt your apps.

In which David Denton derives the core type signatures of http4k from an unexpected source, by using refactoring and FP techniques more commonly associated with coding.

Jetpack Compose doesn't support animated-selector, so Mark Allison considers another way to animate an icon.

A tip from Anton Shilov on how to easily browse the Jetpack Compose sample code from Android Studio.

Design

Material Design's Baseline Design Kit provides all you need to create beautiful apps, complete with components and theming guidance.

Jobs

We're a team of 60 with engineers from Square and Dropbox working to build a safer and more secure internet. Our customers include Doordash, Postmates, Tesla, Angel List, Coursera, Brex, and Instacart, and we're just getting started. Email careers@withpersona.com to learn more, or apply online.

The Android Developer is a full time position for a mobile application developer with extensive Android experience. Requirements: Bachelor's Degree in Information Technology or equivalent. Specific experience with Java and Kotlin. 2+ years of mobile application development.

Komoot is and app that lets you find, plan, and share outdoors adventures. You’ll team up with 4 world class Android engineers and take over full responsibility for the app.You’ll develop diverse features for navigation, routing, social interaction and content visualization.

Libraries & Code

NotyKT is the complete Kotlin-stack note-taking application built to demonstrate the use of Kotlin programming language in server-side and Modern Android development tools.

A lightweight alternative to Android's ViewModels. The easiest way to retain instances in Activities, Fragments or Composables.

Easy to use and configurable library to Pick an image from the Gallery or Capture an image using a Camera

News

To keep Google Play safe and secure and to better serve our developer community, Google is introducing two new security measures: additional identification requirements and 2-Step Verification.

Mark Murphy continues to analyze the situation regarding Google moving away from Android Archives (.aar) to Android App Bundles (.aab) and forcing all new apps to use it.

Google Play will start requiring new apps to be published with the Android App Bundle starting August 2021. This will replace the APK as the standard publishing format.

Videos & Podcasts

Anvil is a plugin to make your dependency injection with Dagger 2 easier, described by Ralf Wondratschek, Mobile Engineer @ Square

Nick and Romain talk to Clara Bayarri and Matvei Malkov about Compose’s support for Material Design

When migrating to Compose, it's likely that you won't be converting all of your app in one go. To help with your migration, check out the AbstractComposeView, allowing you to use Composables in the form of an Android Custom View directly inside of existing Android layouts.