Articles & Tutorials

ViewModelComponent is a component in the Hilt’s component hierarchy that follows the lifecycle of a ViewModel and allows scoping types to it. Manuel Vivo describes how to use it.

Christopher Keenan introduces a new library that uses Kotlinx Serialization to parcelize objects on Android

Kai Widmer presents the implementation of a small but useful Kotlin Multiplatform (Android & iOS) app.

Philippe Boisney describes how he is using Dependency Injection to resolve some headaches and apply separation of concerns in a heavily multi-module app.

Vasiliy summarizes all the details about runtime permissions in Android as a reference.

Enzo Lizama shows how to create a GraphQL server using Ktor

Jetpack Compose brings a syntax that may look strange for some developers, so Oussama Hafferssas tries to clarify its syntax in this article.

Finding the right abstraction is hard! Hannes Dorfmann shares a technique that works well when dealing with String resources on android.

Epoxy is an Android library for building complex screens in a RecyclerView. Seanghay looks and how and why it might be useful when using reusable components.

Max Kachinkin analyzes why a seemingly harmless runBlocking piece of code could freeze your Android app.

Hilt is a dependency injection tool build on Dagger. Jaewoong Eum digs into what's new in the recently released version 2.31.

Vasya Drobushkov introduces a plan to find what part of Proguard causing an issue, so you can debug them more effectively.

Márton Braun demonstrates some new goodies coming in Kotlin 1.5, like sealed interfaces.

If you're considering moving from JUnit 4 to 5, this article by Vlad Sonkin shows what JUnit 5 Extensions are and how to migrate JUnit 4 Rules.

Android Studio language injection allows you to work with different languages in the same file. Rebecca Franks shows how this can be enabled for something like SQL or OpenGL.

If you're using Kotlin to write iOS or macOS Swift code, John O'Reilly shows you how to import and use Swift packages.

Garth Gilmour continues a series on Functional Programming in Kotlin, completing the set by explaining Higher Kinded Types.

Place a sponsored post

Jobs

Using the latest Android and Elastic Search technology, you'll work on a leading off-the-pavement GPS app that affects millions of users. At onX we bring our devotion to the outdoors to work daily with a singular, powerful goal; to awaken the adventurer inside everyone.

Stationhead is building the future of radio. Join us! Seeking an Android Specialist—no full-stack or iOS coding required. Clean and modern 100% Kotlin codebase. Rx mastery a plus. We offer competitive pay and benefits, unlimited PTO, and pre-series-A equity.

Libraries & Code

Synth is CRED's inbuilt library for using Neumorphic components in your app.

Android Parcelable support for the Kotlinx Serialization library

Get an overview and reminders for the waste disposal dates in zurich within your region. This app is built with KMM and ReduxKotlin for android and iOS.

News

This past November, Jetbrains conducted our first-ever Kotlin Multiplatform survey. Alex Anisimov writes about the findings from that survey.

Jetbrains releases the Kotlin roadmap for early 2021.

Hadi Hariri announces the release of Ktor 1.5.0, which comes with new features, bug fixes, and new docs!

Videos & Podcasts

Sean McQuillan gives us a preview for Motion Layout, Motion Editor, and more!

Sean will show us how to use ConstraintSets and Transitions to define animations from multiple views in Motion Layout

Sebastian Aigner, Developer Advocate at JetBrains talks about Jetpack Compose Desktop, a new declarative UI framework for Desktop applications written in Kotlin.

Vlad Sonkin prepared 5 cool tips for the Android Emulator that can be useful in Android development.