How coroutineScope, withContext and other scoping function work, and why it is great👇 written by @marcinmoskala https://kt.academy/article/cc-scoping-functions

Idiomatic Kotlin: Simulating a console to solve Advent of Code Today in “Idiomatic Kotlin”, we’re solving another Advent of Code challenge. We will be simulating, diagnosing, and fixing a small, made up game console! If you have ever wanted to implement your own virtual machine or emulator for an existing system like a game console or a retro computing device, you’ll find this issue particularly […]

We are live at Kotlin London. Come join us 🙂

The road to the K2 compiler We’ve been working on a new K2 Kotlin compiler for quite some time. The new compiler aims to speed up the development of new language features, unify all the platforms Kotlin supports, bring performance improvements, and provide an API for compiler extensions. The development of the Kotlin compiler started many years ago, and many things […]

Join us on October 21 to know more about Building Robust Software with Kotlin, A part 2 in the series. And know more about all the previous sessions on https://meetkt.org/ & register to get updates on future sessions!

Create hourglass animation drawing on canvas in android with jetpack compose. Scale shape and color of animate-able object on canvas based on duration with initial and target values. Read blog here

What is Grouping and how groupingBy instead of groupBy can be performance optimization? Consider using groupingBy instead of groupBy by @marcinmoskala https://kt.academy/article/ek-grouping

Multik 0.1 Is Out Introducing Multik 0.1 – a new, enhanced version of our multidimensional array library! You can check out the previous post to learn about the basic features and architecture of the library. In the new release, we added new methods from linear algebra, supported complex numbers and reading/writing .csv files, improved the performance and stability of […]

Kotlin Symbol Processors Kotlin Symbol Processing (KSP) is an API to build lightweight compiler plugins. KSP provides a simplified compiler plugin API that leverages the power of Kotlin while keeping the learning curve to a minimum. Compared to KAPT, annotation processors that use KSP can run up to 2x faster, offer direct access to Kotlin language constructs, and […]

Compose for Wear OS now in Developer Preview! Posted by Jeremy Walker, Developer Relations Engineer At this year’s Google I/O, we announced we are bringing...

Idiomatic Kotlin: Solving Advent of Code Puzzles, Working With Lists This post continues our “Idiomatic Kotlin” series and provides the solution for the Advent of Code Day 9* challenge. While solving it, we’ll look into different ways to manipulate lists in Kotlin. Day 9. Encoding error, part I We need to attack a weakness in data encrypted with the eXchange-Masking Addition System (XMAS)! The data […]

A recording of seminar for CASUS science on coroutines is available: . The seminar is entry-level for people, who had not used coroutines previously.

klip@0.2.2 is out. This adds support for kotlin 1.5.31 and fixes some minor issues with assertions

Try the New Cross-Language Change Signature Refactoring With the KMM Plugin for AppCode When making a Kotlin Multiplatform Mobile plugin for AppCode, we focused on providing cross-language features that can work for any part of your project – be it a shared module or a native Android or iOS part. The first cross-language refactoring we introduced was the Rename refactoring: Safe Delete also works from the first plugin […]

Hi all, last week I was inspired by a discussion here and hacked together this tiny library at night. It’s very limited and will probably remain that way. Probably it’s useless like a refrigerator at the North Pole, but I hope someone could find some use of it. If you have any suggestion to improve it, feel free to comment or open an issue. https://github.com/polarene/micro-template

Hey! Just released this tiny library to encrypt

androidx.datastore

, (including

PreferenceDataStore

) using Tink.

This library will be maintained until an official solution for DataStore encryption will be released by Google.

We're past 6k kotlin libs on Maven Central!

tgbotapi 0.36.0 🙂

https://github.com/adrielcafe/voyager/releases/tag/1.0.0-beta13 🎉

https://funkymuse.dev/posts/assisted-inject-on-steroids/ For all the delegate lovers and enthusiastic Dagger/Hilt users

What thread-safety mechanisms we should use in Kotlin Coroutines. Coroutines answer to the problem with the mutable state by @marcinmoskala https://kt.academy/article/cc-state

Take Part in the Kotlin Event The Kotlin 2021 Premier Online Event has started! The next two weeks are going to be full of exciting content. We’ve prepared lots of updates from the Kotlin team, news on the Kotlin ecosystem, and an opportunity to get a glimpse into the future of Kotlin. All of this is in your favorite format – […]

Join the premiere to get a first look at Kotlin and WebAssembly ⬇️

Introducing the Kotlin Mascot! Kotlin has been around for ten years, but there was always one big thing that we felt was missing – a mascot. Now we want to change that. Meet the new Kotlin mascot!   They still don’t have a name, so we would love it if you could suggest ideas for a name. There will be […]

⚠️ MALWARE ALERT ⚠️ This needs more coverage as it has some serious implications. If you're using karma with your kotlin.js projects, you're likely to be exposed to this. One of karma's dependencies was recently infected with malware. This is already confirmed to try to install a cryptominer as well as steal your passwords and cookies from your browser. Read the thread and linked gh issue for things to check. It's also confirmed to affect both, Windows and Linux.

Everyone I'm creating a Pixel art editor for Android called PyxlMoose in Kotlin, come and contribute! https://github.com/realtomjoney/PyxlMoose

template-kmp-library@1.1.3 is out with long awaited android publishing suppport.

Important: ua-parser-js exploit and Kotlin/JS On the 22nd of October at 5:06 pm CEST a message was posted on the #javascript channel of the Kotlin Slack about a potential security issue, at which time we began our investigations. On the 23rd of October, it was reported that malware was found in a very popular npm package named ua-parser-js. The package […]