ISSUE #433

17th of November 2024

Hello Kotliners! This week, we are bringing you some Coroutines, KMP Insights, and Kotlin Library Highlights. We hope these links will help you learn at least one new thing next week.

Announcements

Modern Android Maps Feedback 2024
The Google Maps team is collecting feedback from their Open-Source library, Maps Compose. If you have used it and would like to help them, consider filling out the following document.
docs.google.com

Articles

A Micro-optimization You Will Never Need
Romain Guy explains a mostly unnecessary Kotlin micro-optimization that reduces instructions by replacing large constants with bitwise operations, yielding marginal performance gains.
www.romainguy.dev

Kotest + Spring + Testcontainers
Ronny Bräunlich demonstrates a simplified approach to integrate Kotest, Spring, and Testcontainers by leveraging the @ServiceConnection annotation and perSpec() listener for clean lifecycle management.
blog.code-n-roll.dev

Programmatic versioning in a KMP mobile app
This article showcases automating version management in Kotlin Multiplatform apps by using Git tags, Gradle, and .xcconfig files to synchronize Android and iOS versioning seamlessly.
akobor.me

Kotlin Tips and Tricks You May Not Know: #3 — Built-in Assertions
Next article in the series of Kotlin Tips and Tricks by Elena van Engelen - Maslova
medium.com

The best dispatcher for a backend framework
This article by Kt.Academy explores various dispatcher choices for backend applications, analyzing their pros and cons to identify the most efficient option.
kt.academy

Extension Shadowing for Actual Declarations in KMP
Marcello Galhardo discusses using extension shadowing in Kotlin Multiplatform (KMP) to achieve API commonization while maintaining backward compatibility across platforms.
marcellogalhardo.dev

Top 10 Coroutine Mistakes We All Have Made as Android Developers
The article highlights ten common mistakes in Kotlin coroutine usage by Android developers, offering practical tips to avoid pitfalls like blocking the main thread, ignoring scope hierarchy, and mishandling exceptions.
proandroiddev.com

Sponsored

Complete Guide to Android Development with Kotlin
Create your first Android application with Kotlin and Jetpack Compose. Along the way you'll learn how to customize architectural components like screens, text, and images like a Pro!
www.linkedin.com

Videos

Understanding Gradle
Six months after a Gradle frustration, Duncan McGregor reflects on its relative ease, exploring task dependencies, updates, and optimizations in the Gilded Rose codebase.
www.youtube.com

Fun with Function Types in Kotlin
In this video, Dave Leeds examines standard function types, extension function types, bound references, and property references.
www.youtube.com

Conferences

Experienced Kotlin Developers Wanted
Join Marcin Moskala's 4-day expert workshop from Dec 17-20, 10:00 AM - 2:00 PM CST. Tackle advanced topics like generics, KSP, and reflection while building real-world projects like mocking libraries and dependency injection tools. Perfect for Kotlin developers looking to level up!
kt.academy

Libraries

Compose Material3 Navigation
A library which provides Compose Material3 support for Jetpack Navigation Compose.
github.com

VC-K
Kotlin Multiplatform library implementing W3C VC Data Model and ISO 18013-5 mDL.
github.com

Valkyrie
IntelliJ IDEA / Android Studio plugin to convert SVG/XML into Compose ImageVector and previewer.
github.com

Alarmee
A Kotlin/Compose Multiplatform library for effortless alarm and local notification scheduling on both Android and iOS.
github.com

Twine - RSS Reader
Twine is a multiplatform RSS reader built using Kotlin and Compose.
github.com

Contribute

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