ISSUE #290

20th of February 2022

Announcements

Here Comes Kotlin Heroes: Episode 9!
Kotlin Heroes is our Kotlin-only contest hosted by the Codeforces. It is a great way to play around with Kotlin’s features, learn something new, and practice using the language by solving fun problems.
blog.jetbrains.com

Koin 3.2 Beta & Roadmap for 2022
The Koin folks have released their roadmap for 2022. Check it out to see what they are planning.
medium.com

Discontinuing Kotlin synthetics for views
Google has set a deadline for migrating away from Kotlin synthetics: the plugin will be removed in Kotlin 1.8, which is expected to be released by the end of 2022. Plan accordingly
android-developers.googleblog.com

Articles

Flattening flow: flatMapConcat, flatMapMerge and flatMapLatest
A well-known function for collections is flatMap. This article elaborates on the different variants we can use on Kotlin.
kt.academy

Exploring Kotlin's Context Receivers
This post by Simon Vergauwen explores what Context Receivers are (s released as a preview in Kotlin 1.6.20-M1.), and some benefits and patterns they’ll enable.
nomisrev.github.io

Reduce code complexity: Guard clauses
Guard clauses can help us to reduce code complexity. We do not have them natively supported by Kotlin, but we can always implement this pattern.
www.rockandnull.com

Kotlin Coroutines Flow in a nutshell
This post explains how Flow works with the Coroutines: basics and lifecycle, launching, creation, collection and more.
proandroiddev.com

Test Fixtures
When we write unit tests we often need to provide data to the system under test. We can improve this by using test fixtures.
edwardharker.com

Sponsored

Top 5 Ways to Scale Mobile Apps
Working in mobile is a constant battle to deliver incredible user experiences while innovating rapidly. Join this webinar to learn best practices for successfully growing your mobile app.
go.embrace.io

Android

Retrofit — Effective error handling with Kotlin Coroutine and Result API
There are several ways to handle errors with Retrofit. In this article, you will learn how to do it with Coroutines and the Result API.
blog.canopas.com

Videos

FOSDEM videos published
The videos from the past FOSDEM edition have been finally uploaded. Thanks to Nicola Corti for the fantastic job.
fosdem.org

Using Jetpack Compose with Square's Molecule Library
In this talk, Mohit Sarveiya will share how to use Square's Molecule library in a multiplatform Compose project.
www.youtube.com

Android Cafe.in: Kotlin edition
In this meetup at Android Cafe.in Vietnam, Huyen Tue Dao and Kyrmyzy Kaliyeva speak respectively about animations with Compose and Refactoring with Kotlin
www.youtube.com

Podcast

Why iOS Developers at Todoist Wanted Kotlin Multiplatform
In this episode, Gonzalo Silva - CTO of Todoist - speaks about how Kotlin is used in the company, which parts of the service they share between iOS and Android using KMP and more.
talkingkotlin.com

Libraries

kotlin-multiplatform-diff
Multiplaform kotlin library for calculating text differences. Based on java-diff-utils, supports JVM, JS and native targets.
github.com

PIXI-Kotlin
PIXI-Kotlin is a Kotlin/JS binding for the PIXI.js library.
github.com

Contribute

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Kotlin Weekly - Kotlin Weekly #290

ISSUE #290

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