[Here's a merged commit](https://android-review.googlesource.com/c/platform/frameworks/support/+/1147725) for `ConstraintLayout` in Jetpack...

New Room and KTX docs, AndroidX releases, a new Room article, a new codelab, videos from recent conferences, and ADB podcast episodes

A real world case in a coroutine test rule implementation

MockK, JUnit 5, and AssertJ

Animations are fantastic.

Kotlin coroutines are much more than just lightweight threads — they are a new paradigm that helps developers to deal with concurrency in…

The Kotlin Programming Language. . Contribute to JetBrains/kotlin development by creating an account on GitHub.

When using WorkManager, be wary about the implications of using unique work with the APPEND policy. Unique work with APPEND is implemented (under the hood) via a chain of work. For example, if you request unique work two times in a row, it's represented…

Let’s look at how new Kotlin cross-platform/multi-format reflectionless serialization works and why it’s better than other libraries!

The problem Build time has always been a big issue for Android developers. In order […]

An Android Love Affair

KotlinConf is the official Kotlin conference by JetBrains. It is a place for the community to gather and discuss all things Kotlin.

Replace Dalvik, ART performs the translation of the app’s bytecode into native instructions that later execute by device runtime…

Hands-on guide

Tutorial on how to create Telegram-like theme change animation (with simple solution for custom theme support for views)

Kotlin Census 2019.