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Kotlin Weekly - Kotlin Weekly #290

 
 

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

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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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If you want to submit an article for the next issue, please do also drop us an email.
 


Thanks to JetBrains for their support!
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Kotlin Weekly #289

Sunday, February 13, 2022

ISSUE #289 13th of February 2022 Announcements Kotlin News: 1.6.20 Preview, Multiplatform Web Wizard, and More Check out this Monthly Digest for January to get a glimpse of everything the JetBrains

Kotlin Weekly #288

Sunday, February 6, 2022

ISSUE #288 6th of February 2022 Announcements Announcing Arrow Analysis - a Kotlin compiler plug-in 47 degrees has announced the first public release of Arrow Analysis! Arrow Analysis is a plug-in for

Kotlin Weekly #287

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ISSUE #287 30th of January 2022 Hi folks! The Lunar New Year is coming. For all of you celebrating it, we wish you Happy Holidays. Most of the submissions we receive later are related to Compose and

Kotlin Weekly #286

Sunday, January 23, 2022

ISSUE #286 23rd of January 2022 Announcements Kotlin Developers Survey JetBrains is conducting this survey to identify what key value Kotlin brings to server-side developers. They are looking at new

Kotlin Weekly #285

Sunday, January 16, 2022

ISSUE #285 16th of January 2022 Articles Understanding and Configuring your Kotlin Multiplatform Mobile Test Suite Writing tests is part of every developer's day-to-day routine. Gustavo Fão

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