Issue #435

October 11th, 2020

Articles & Tutorials

link image   Android Sharesheet: Old Dog, New Tricks (

Vlad Sonkin explores the most recent share sheet updates and some new tricks.

Don’t argue with default arguments (

Short and easy to use, default arguments allow you to implement function overloads without the boilerplate. Read on and let Florina Muntenescu describe how default arguments work under the hood.

link image   Kobiton’s ITA declares war against flaky tests (

Say goodbye to “NoSuchElement” exceptions, and hello to Intelligent Test Automation. Our Appium Anywhere technology puts an end to brittle and flaky test scripts with machine learning and a self-healing scripting engine for easy reuse across device manufacturers. Learn more today!

Kotlin Coroutines in Android Summary (

Roman Kamyshnikov's concise summary of various articles and talks about the use of Kotlin coroutines in Android.

How Kotlin implement lambda under the hood (

In this post, Yawei talks about how Kotlin implements and optimizes lambda expression from a bytecode level.

Android Model-View-Intent with Unit Tests (

Adam Hurwitz shows how using the Model-View-Intent pattern (MVI) provides the ability to test built-in to the pattern following the best practice of Test Driven Development (TDD).

Kotlin Flow in Android — Process asynchronous stream (

In this post, Gaurav Goyal considers Kotlin Flow, its advantages, and use cases.

Tracking side effects at compile time with suspend (

In this article, Jorge Castillo considers what it means to think of suspend as a Kotlin stdlib mechanism for flagging and tracking effects at compile time.

Paging Library for Android With Kotlin: Creating Infinite Lists (

In this tutorial, Harun Wangereka builds a simple Reddit clone that loads pages of information gradually into an infinite list using Paging 3.0 and Room.

Accessing an Android app secret from GitHub Actions using Gradle (

Often an open-source project will have API keys, auth tokens, and other secrets that definitely shouldn’t end up in source code. Jake Lee shows how to handle these secrets when building via GitHub Actions.

Using Github Actions to Automate Our Release Process (

Rebecca Franks decided to use Github Actions to automate as much of the application release process as possible. Here's how she did it.

Biometric Authentication on Android — Part 2 (

In this second part, Isai Damier covers how to design your code to handle the different aspects of biometric authentication.

Biometric Authentication on Android — Part 1 (

Isai Damier covers how to invoke BiometricPrompt with or without encryption and the difference between auth-per-use vs time-bound encryption keys.

Easy Navigation with Bookmarks (

Zarah Dominguez finds a challenging part of learning a new codebase is navigating through the data flow. She shows how setting and navigating via bookmarks can help!

Delegating Delegates to Kotlin (

Murat Yener shows how Kotlin makes delegation easier by providing support for class and property delegates and even containing some built-in delegates of its own.

An Updated Look at Launching a Splash Screen (

Brian Gardner updates and adds a modern touch to an earlier article on adding a Launch/Splash screen to your app.

Freelancing (

Mark Allison shares his experiences and some insights on being a freelance developer to help decide if it is the right path for you.


Place a sponsored post

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


Libraries & Code

KtRssReader (

KtRssReader is a Kotlin library for parsing RSS feed on Android

Orchestra (

Orchestra is a collection of Android custom view compatible libraries for Jetpack Compose



link image   New Release Cadence for Kotlin and the IntelliJ Kotlin Plugin (

JetBrains announces they will release Kotlin 1.X every six months. These releases will be date-driven, not feature-driven.

Kotlin Roadmap (

JetBrains shares the Kotlin roadmap for the next six months.

kotlinx.serialization 1.0 released (

JetBrains released version 1.0 of the multiplatform serialization library, kotlinx.serialization

Improved version targeting in Remote Config (

Firebase introduced two improvements to Remote Config’s app version targeting functionality - New semantic version number targeting and improved iOS version number targeting


Videos & Podcasts

link image   Google Assistant Developer Day 2020 (GADD) (

Playlist for Google Assistant Developer Day (GADD) with all the latest product announcements, newest features and tools, and Google Assistant DevRel answering all your questions!

Serverless Programming (

In Kaushik & Donn's 200th episode, they talk about Serverless Programming. 🎉 A huge congratulations to them for reaching the 200 episode mark! 🎉

Extend your Android application with Google Assistant and App Actions (

App Actions is how developers can integrate Google Assistant into their Android App. Dan Myers explains key concepts and implementation steps for App Actions.