Issue #475

July 18th, 2021

Articles & Tutorials

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Maia Grotepass writes about a Jetpack Compose counter component that animates each number individually to get that odometer look.

link image   The #1 Chat API for Custom Messaging Apps (

Stream’s Chat SDK is here to cover all your in-app messaging needs: channels, messages, threads, attachments, reactions, offline support, real-time events, and an easy-to-integrate UI implementation. It’s even open source. Try our new Android tutorial today, and see why Stream powers feeds and chat for over a billion end-users!

Android Jetpack Navigation Component (

Frank Morara shows how Jetpack Navigation helps you as an Android developer have a higher-level view of your app and gives you a mental model of how your users are going to interact with your app.

link image   Using ProGuard with the Android Gradle Plugin (

With the upcoming release of AGP 7, ProGuard needs a new way of integrating into Android projects. Therefore, as part of the latest ProGuard 7.1 release, a Gradle plugin for ProGuard has been developed. With this plugin, ProGuard integrates into your existing gradle process, meaning that you can keep using ProGuard with AGP 7. Discover how to obtain and use the plugin in your Android projects in Guardsquare's latest blog post.

Android Jetpack Proto DataStore (

Satya Pavan Kantamani writes about a Jetpack recommended solution for storing data using Protobufs that provides type safety.

How I made beautiful screenshots for Google Play (

Yahor Urbanovich shares some tips and tricks to make your Play store screenshots really stand out.

Connect your Android users with a tap: Fast Pair (

If you are working on an app that accompanies a particular device (such as a wearable or IoT app), Isai Damier shows how you can use the Fast Pair Service to reduce the amount of work that you and your end-users have to do to pair your devices to an Android phone.

Learning Live Templates for Jetpack Compose (

Matt McKenna builds some Live Templates for Jetpack Compose to speed up your development!

Jetpack Compose: Missing piece to the MVI puzzle? (

Garima Jain answers the question: “So, MVI does work with Jetpack Compose, but does it work well?”

How to build an XCFramework on Kotlin Multiplatform (

Marco Gomiero dives into building more up-to-date iOS libraries using Kotlin Multiplatform.

Keeping public API in check with the Kotlin binary validator plugin (

In this article, Márton Braun teaches what the Kotlin binary compatibility validator plugin does, how to set up and configure it, and how you can use it to make your library project better.

Idiomatic Kotlin: Solving Advent of Code Puzzles, Day 1 (

To help the community learn idiomatic Kotlin, and motivate more developers to solve Advent of Code tasks in Kotlin in the future, Svetlana Isakova prepares solutions for you!

Solving Advent of Code Puzzles in Idiomatic Kotlin (

To help the community learn idiomatic Kotlin, and motivate more developers to solve Advent of Code tasks in Kotlin in the future, Svetlana Isakova prepares solutions for you!

A peek inside Jetpack Core Splashscreen (

Thomas Künneth takes a look at the new Jetpack Core Splashscreen library.

How to Write a Command-Line Tool with Kotlin Multiplatform (

Jean-Michel Fayard not only built a cool CLI tool with it, but he's packaged it as a template project that you can leverage to get started faster!

Tools of the build trade: The making of a tiny Kotlin app (

Tony Robalik explains how to write a small command-line tool in Kotlin and package it up for use anywhere.

My First Attempt at creating a game with Jetpack Compose (

Daniel Butler decided to have a go at building a retro-style game in Jetpack Compose, similar to Pacman but with a few simplifications to make it achievable.


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Android Developer (Vienna, Austria or remote)

At Mimo, we believe that coding can open doors to opportunities like few other skills. That’s why we’ve rallied around the goal of making coding accessible to as many people as possible. To get there, Android is key, so we’re looking for enthusiastic, product-focused Android developers to join us.


Libraries & Code

link image   Pacman_Compose (

Pacman Created in JetpackCompose

Grazel (

Grazel is a Gradle plugin to automate generation of valid Bazel files for a given Android/Kotlin/Java project



Android 12 Beta 3 and final APIs (

Beta 3 includes the final Android 12 APIs and the official SDK. With these, you can start testing and updating your app ahead of Platform Stability, coming up next at Beta 4. Now is the time to make sure your apps are ready!

Introducing the Android Game Development Kit (

Google launches the Android Game Development Kit (AGDK), a full range of tools and libraries to help you develop, optimize, and deliver high-quality Android games.

Updates from the Google for Games Developer Summit (

Here’s more about everything Google shared at the Game Developer Summit and how you can get started today.

New codelab: Lemonade app (

This NEW Android Basics in Kotlin codelab just launched!


Videos & Podcasts

link image   Kotlin in Education (

Ksenia discusses the recent increase in institutions and educators teaching Kotlin, including adoption by Stanford, Cambridge, Imperial College London, University of Chicago, and many other prestigious institutions.



Hi, I’m Victoria (

Victoria Gonda, an Android engineer at Square, an international public speaker, and a technical book author, shares her story about becoming the engineer that she is today!