Issue #399

February 2nd, 2020

Articles & Tutorials

link image   Intro to animations with Jetpack Compose (

Zsolt Kocsi got inspired by the Kotlin-Pokedex project and its Flutter counterpart, flutter_pokedex, and started experimenting with a Compose-based solution for it.

Adding some Storage (to) Space (

John O'Reilly wrote a short article about the addition of SQLDelight to his PeopleInSpace Kotlin Multiplatform sample.

The Power of Types for Errors (

Danny Preussler discusses limiting the number of primitives we use in our code in favor of using custom types instead.

link image   Build and operate Android apps faster with Bitrise (

From Android-specific solutions to full cross-platform support, we aim to streamline your development process through one, easy-to-use service. Whether you work in Kotlin, React Native, or any other framework, Bitrise is the way to go. Sign up for a free trial today!

Encrypting Shared Preferences with the AndroidX Security Library (

Seth Lopez shows how the AndroidX Security library was recently added and makes storing encrypted shared preferences data simple and easy for apps with a min-sdk of 23+.

Back Stack Management with Chrome Custom Tabs (

Scott Pierce examines how to handle the OAuth login flow using Chrome Custom Tabs.

Android Fragments: FragmentContainerView (

This article by Husayn Hakeem explains what FragmentContainerView is, how to interact with it, and goes through some of the Fragment animation issues it tackles

Blogging: Writing (

Mark Allison wraps up his articles on how he is able to come up with ideas for blogs posts every week and how he writes the post and the code/projects that go along with it.

Start Before You Finish (

Mark Murphy examines navigating from one Activity to another, and if the order of calling startActivity() and finish() matters.

Reactive state container architecture with knot (

StefMa implements a reactive state container architecture with the help of a library called knot.

Build a WhatsApp Clone on Android With Kotlin – Part 1 (

In this tutorial, Thierry builds a functional clone of WhatsApp with Kotlin.

Assistant & Pizza - Part 1 (

Omar Miatello starts a series of articles on building an Actions on Google Assistant with Kotlin.

Using Logs to Improve Actions (

If you have an Action published on Google Assistant, Jessica Earley-Cha shows how to use your logs to improve intent accuracy, evaluate user journeys and more.

The Navigation Component…not that hard (

Jimoh Zainab brings you a story about the navigation component in android apps and shows you how easy it is to use.

Coroutines and Java Synchronization Don't Mix (

Dan Lew demonstrates the case where you were using a synchronized function in Java but now want to make it suspending in Kotlin, Mutex is the most natural way to make that conversion.

Exploring Drawers in Jetpack Compose (

In this blog post, Nikit Bhandari shows how to use different types of drawers in Jetpack Compose.

Kotlin Code Organization (

Artur Dryomov shares some tips for organizing the Java / Kotlin code and tests in your projects.



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Libraries & Code

madman-android (

The Madman library (Media Ads Manager) enables you to advertise video contents with video ads. If you have your own VAST server and want to render video ads on Android and have full control over the UI, then this library is for you.

cycler (

The Square Cycler API allows you to easily configure an Android RecyclerView declaratively in a succinct way

Keeper (

A Gradle plugin that infers Proguard/R8 keep rules for androidTest sources.

compose-pokedex (

Android Pokedex on Jetpack Compose


Videos & Podcasts

link image   Annotation processing for Kotlin (

Csaba Kozák introduces how to write and test annotation processors that behave well even in Kotlin projects.

Work Manager & Moshi (

Two presentations from the January Android Budapest Meetup



link image   With Great Tech Comes Great Responsibility (

A student guide by Mozilla Foundation for navigating ethical issues in the tech industry.