Issue #413

May 10th, 2020

Articles & Tutorials

link image   Concurrency Frameworks in Android are Overrated (

In this follow-up post, Vasiliy Zukanov shows you how he writes complex and clean concurrent code without frameworks. This demonstration should cover both the questions about more complex scenarios and concerns about the feasibility of this approach.

Customizing your bottom sheet's corners (

Bryan Herbst recently found himself struggling to get bottom sheets to show rounded corners properly, so he created this guide to getting them shaped properly!

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!

Restore RecyclerView scroll position (

Florina Muntenescu shows how RecyclerView now offers a new API to let the Adapter block layout restoration until it is ready. Read on to learn how to use this new API and how it works.

link image   Deploy Android Chat In Hours With Stream (

Learn how easy it is to use Stream's Android Java & Kotlin chat SDK. Build real-time chat for Android in hours, not months. Start a free trial now and try out Stream's chat API and SDK Components. See why Stream powers the feeds and chat for over 500 million end-users.

Expressing Relationships Between Nullable Parameters In Kotlin (

Stuart Kent describes ways to ensure safety when there are relationships between nullable parameters in a function.

Refactoring Android Themes with Style (

In this second part, Ataul Munim shows how default styles help us remove unnecessary configuration by moving style declarations to our theme.

Kotlin Conditionals: When and If (

Dave Leeds' illustrated look at When and If commands in Kotlin.

Unlocking Biometric Prompt – Fingerprint & Face Unlock (

Sam Edwards does a side-by-side comparison of what the biometric prompt looks like on the Pixel 4, Pixel 3, and an API 26 Emulator to show you what it looks like on different devices, hardware, and different builder configurations.

Material Shape: ShapeAppearance (

One of the foundations of Material Design 2.0 is the ability to define shapes to reinforce the branding being applied to our apps. In this short series Mark Allison will go deeper down the rabbit hole to explore some of the more subtle things that we can do with material shape.

Kotlin Flow benefits over RxJava (

Antoni Castejón García is quite familiar with using RxJava for reactive flows, but has recently found benefits to using Kotling Coroutines' Flow instead.

Using GitHub Actions for Android Continuous Integration and Delivery (

Joe Birch shows how to set up your continuous integration for your GitHub repo using the relatively new GitHub Actions.

Kotlin Coroutines And Threading Fundamentals (

In this article, Animesh Roy teaches the fundamentals of threading, background processing, and of course Kotlin coroutines with a simple android specific practical example

Handling network HTTP response of success data and failure (

In this post, Jaewoong Eum shows how to build a network structure and handle success, failure data from the responses using the new Sandwich library.

Creating the Twitter splash screen in the simplest way possible (

Waseef Akhtar shows how to achieve an animated splash screen using the latest version of MotionLayout.

Navigating your way around customizable delivery (

Wojtek Kaliciński describes how to modularize your app and take advantage of Android App Bundles conditional delivery features.

When to use Internal App Sharing on Google Play or Firebase App Distribution (

Two options for internal app distribution are available to Android developers. Peter-John Welcome explores both of these options to see which one suits us best.

Clean Dagger (

Danny Preussler's pragmatic guide to dependency injection on Android.



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



Senior Android Developer (Linz or Vienna, Austria)

Are you an Android nerd? A Kotlin enthusiast who wants to connect millions of users encouraging them on their fitness journey via several social features? Join us, to work in an international team that shapes the direction of our users' engagement and gives them the best app experience.


Libraries & Code

link image   Instant-Weather (

An Android weather application implemented using the MVVM pattern, Retrofit2, LiveData, ViewModel, Coroutines, Room, Navigation Components, Data Binding and some other libraries from the Android Jetpack.

Sandwich (

A lightweight Android network response API for handling data and error response with transformation extensions.

COVID-19-app-Android-BETA (

The UK's NHS has released the source code of the Beta of the NHS COVID-19 Android app

GeckoView (

Mozilla offers GeckoView, a full-featured replacement for Android's WebView.



link image   Improving the update process with your feedback (

Google has heard your requests for improvement as well as some frustration, so here are some steps they're taking to improve the Google Play developer site and processes.

Android 11 Beta Launch Show - June 3, 2020 (

Join Google as they unveil new features packed inside the next release, Android 11, as well as updates for developers to help them get the most out of modern Android development.


Videos & Podcasts

link image   The Kotlin Programming Language (

In this 100% FREE course by Donn Felker, you'll learn the Kotlin Programming Language. Clocking in at over 9 hours of content - over 130 lessons ... all 100% FREE. Many thanks to Donn for making it available to everyone!

How To Stay Up To Date As A Mobile Developer? (

When asked about career advice for software developers, how to stay up to date is by far one of the most asked questions. Nate Ebel highlights some recent Q&A focused on how to stay up to date as a mobile developer, and even more specifically how to stay up to date as an Android developer