Android Weekly - Android Weekly #557 🤖

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557

February 12th, 2023

Articles & Tutorials

Kotlin Generic Variance Modifiers

Marcin Moskała digs into the details to help you better understand Kotlin's variance modifiers.

Sponsored

Android In-App Subscriptions Made Easy

RevenueCat provides a backend and a wrapper around Apple's StoreKit and Google Play Billing to make implementing and managing in-app purchases and subscriptions easy. Integrate in minutes. Try for free.

Space Hoisting: Should I use the padding Modifier or the Spacer composable?

In this blog post, Vinay Gaba explores the usage of padding Modifier and Spacer composable function in Jetpack Compose

Compose phases

In this article, Jolanda Verhoef helps create a mental model of how those APIs actually transform data into UI.

Share Android App Links with the Sharesheet

Sharing links to content inside of your application is an important action in Android. Summers Pittman shows how to do this in your Android app.

Introduction to Class Delegation

Dave Leeds covers everything there is to know about a powerful feature of Kotlin: Delegation.

How to Implement Continuous Deployment (CD) for Android With Azure

Miguel continues the series, showing how to automate the process of uploading an Android app to Firebase App Distribution for a QA team or to the Play Store for users.

Interface Naming Conventions

Adam McNeilly examines a special case of naming conventions: interfaces. This is because we not only have to name an interface, but we need to decide how to name the implementations as well.

Animated Counter in Jetpack Compose

In this article, sinasamaki creates a counter that animates when changed. The numbers will slide from up when increasing and from down while decreasing.

Jetpack Compose: A use case for view interop migration strategy

Jigar Brahmbhatt shares a case study in porting a screen to use Jetpack Compose in a production app.

Keep your app from failing in a 64-bit-only Android phone

Ivan Memruk warns what to look out for as 64-bit-only devices become more mainstream.

Random Musings on the Android 14 Developer Preview 1

Mark Murphy rummages through the API differences report, the high-level overviews, and even the release blog post, to see if there are things that warrant more attention from developers

Top 3 Challenges After Becoming an Engineering Manager

Magda Miu provides insights and recommendations on overcoming the challenges faced after taking on a new role as an Engineering Manager.

Everything you need to know about Side Effects in Compose

Alex Styl describes why side effect composables are important, what happens if you don't use them and what options there are so that you know what to use for each use case.

Android Library Compatibility and PUBLIC API management

Pooja Shaji writes an article for all you library developers out there, with a tool that will help you maintain your library's compatibility between version updates.

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Design

Rebranding Londroid

Londroid is the oldest Android community meetup in London, going strong for 15 years. Ollie Strang writes about how the design and branding have been updated.

Jobs

Android Test Automation Engineer (Remote)

About the role We’re looking for an outstanding engineer to play a key role in scaling our testing process by automating our manual test suite and enabling our development teams to release faster with confidence. You’ll also have a strong QA mindset with a clear understanding of which user flows are

Libraries & Code

Kommute

Monitor your android apps network traffic for debugging

compose-lints

This repository contains a collection of custom Android lint checks for Jetpack Compose, mostly ported from the original twitter/compose-rules project.

compose-rules

A fork of the Twitter Jetpack Compose Rules by its original maintainer, this is a set of custom ktlint rules to ensure that your composables don't fall into common pitfalls, that might be easy to miss in code reviews.

News

The K2 Compiler is going stable in Kotlin 2.0

JetBrains has been working on a new frontend for the Kotlin compiler (code-named “K2”) for quite a while. Roman Elizarov announces when the new compiler is going stable.

Update Regarding Kotlin/Native Targets

Ekaterina Petrova shares some more details on Kotlin/Native's support of many targets thanks to its LLVM backend – 27 as of 1.8.0, to be exact!

Sign-in solutions and passkeys with Android's new Credential Manager

Google announced the alpha release of Credential Manager, a new Jetpack API that allows app developers to simplify their users' authentication journey, while also increasing security with support of passkeys.

Hundreds of thousands of developers are learning Jetpack Compose

Google had great success with Compose Camp, an Android meetup series where developers were able to learn Jetpack Compose, network with peers, and work on hands-on coding projects together

The first developer preview of Android 14

Google has released the first Developer Preview of Android 14, which continues its work to improve productivity as developers, along with enhancements to performance, privacy, security, and user customization.

Kotlin onboarding survey

JetBrains would like to learn from Kotlin newcomers about their experience and satisfaction with our learning materials in this short 15-minute survey.

Videos & Podcasts

Android Worldwide January 2023

Playlist of all the presentations from Android Worldwide January 2023

From data to UI: Compose phases

Learn how Jetpack Compose transforms data into UI in this second episode of the Compose Layouts and Modifiers MAD Skills series!

#WeArePlay | Valentin | Gronda | Austria

Meet Valentin from Innsbruck, Austria. He co-founded Gronda, a place where chefs can share their recipes and bring the world’s culinary knowledge into the pocket of foodies everywhere.

Permanent, temporary, and situational disabilities

Create apps that are accessible for all users, regardless of their permanent, temporary or situational disabilities

Android app performance with Perfetto

In this episode, Ivan Morgillo and Sebastiano Poggi learn about the Perfetto library. They talked about performance with Rahul Ravikumar and tried Perfetto on the Mastodon Tusky app.

Custom store listings in Google Play

In this video, Robert will show all the ways you can use custom store listings to boost conversions and reach more users for your app.

Kotlin Flow for Android Development Crash Course

In this crash course, Lukas Lechner teaches the basics of using Kotlin Flows in Android Applications.

Storing Esports Statistics With SqlDelight

Adam McNeilly's live stream where he implements support for storing match statistics in a local SqlDelight database in a KMM application.

Jetpack Compose | Implementing a LazyColumn / RecyclerView | Part I

In this series of videos, Waseef Akhtar explores how easy it is to create a list of items using LazyColumn by creating a simple Puppy Adoption App.

Specials