Issue #400

February 9th, 2020

Articles & Tutorials

link image   Working with dynamic data in MotionLayout (

Can you use MotionLayout to create dynamic animations of data? Isaac Chai shows how you can use the MotionLayout code API to create a MotionScene dynamically in code.

Clean Navigation Between Screens in Android Applications (

In this post, Vasiliy Zukanov talks about navigation between screens in Android applications, architecture, and Navigation Architecture Component.

Android Styling: Themes vs Styles (

This is the first in a series of articles where Chris Banes and Nick Butcher set out to demystify Android styling so that you can make stylish apps without pulling your hair out.

It's Nothing (

Nothing is a special type in Kotlin often used for errors. Zac Sweers ponders if it's all that useful... (Hint: it is!)

link image   Place a sponsored post & reach over 66k Android devs (

Speeding Up Builds with Dagger Reflect (

Nelson Osacky saw that Dagger was taking a large portion of his build times. He saved up to 50 percent of local build times with little maintenance cost by swapping regular Dagger for Dagger Reflect.

Adventures in the Land of EditText (

Markus Hintersteiner wrote an app that combines both a notepad and a calculator into a single experience. This post summarizes his learnings about several small challenges with the EditText control.

Dynamic screens using server-driven UI in Android (

Vipul Asri describes the concept of dynamic, server-driven UI for native mobile development.

How Method reference works in Kotlin (

One of Tushar Saha's most loved features in Kotlin is the method reference. Here he describes how it works.

Kotlin Multiplatform - Cross Platform Development With Kotlin (

Did you know you can use Kotlin to build applications for the web, iOS, Mac, Linux, Android, and more? Nate Ebel shows how Kotlin Multiplatform makes this possible.

Utils class in Kotlin (

Tam H. Doan shows how you can create utils class by putting methods inside an object, or use package-level functions.

The power of sealed classes in Kotlin | Lord Codes (

Wouldn’t it be great if you could represent a single type that can come in different forms, each able to be constant or carry their own data? Andrew Lord shows how Kotlin sealed classes fill this need.

From RxJava to Kotlin Flow: Backpressure (

Vasya Drobushkov provides a quick comparison between backpressure solutions in RxJava and Kotlin Flow.

Android ViewModels: Saving State across Process Death (

Ahmed Rizwan shares a quick recipe on how to save ViewModel state across Android process death.

Exploring Jetpack Compose: TopAppBar (

In this article Joe Birch takes a look at the Top App Bar component which allows us to add a Toolbar/AppBar to a screen.

Become a Master Builder with these Android Dev Tools (

Rebecca Franks lists a few tools that have made her day-to-day development easier.

View Binding: Merge (

View Binding was introduced in 2019 and is really nice, though Mark Allison discovered a small gotcha. He shares three different simple approaches to dealing with it.



Mobile Engineer, Android (Dublin, Ireland)

Come join our small, but fast-growing team. We're building out our Android Messenger SDK that is integrated into thousands of Android apps. This is an opportunity to go deep into the mobile operating system while still shipping beautiful and quality UI/UX for tens of millions of users.

Android/Kotlin Developer (Remote)

Work with the world's leading brands on Android/Kotlin projects. From anywhere.


Libraries & Code

link image   filebox (

Async file downloader for Android

KaMPKit (

KaMP Kit is a collection of code and tools designed to get your mobile team started quickly with Kotlin Multiplatform



link image   Android Developers Blog: The path to DX deprecation (

Back in 2017, Google released D8, a new faster dexing compiler to replace DX, producing smaller APKs. DX is now in its second phase of deprecation. If you haven't already moved to D8, make sure you do it soon.

Improving Smart Home Action Reviews (

Google announced some improvements to the review process for smart home Actions, aimed at making the experience more transparent in the Actions console and reducing the time it takes for your Actions to get approved.

The Surface Duo SDK Preview (

The Surface Duo SDK Preview for developers is available


Videos & Podcasts

link image   Android Budapest 2019 January (

PLEASE NOTE: This playlist supersedes last week's link to the Android Budapest meetup. Includes edited videos from presentations on Working with WorkManager by István Juhos and Say "hi" to Moshi by Márton Braun.

Android Developers Backstage: Storing data with Store (

In this episode, Chet and Romain talk with Yigit Boyar, from the Jetpack team, and Mike Nakhimovich from Dropbox. Mike and Yigit have been working on an Open Source library called Store.