Kotlin trick: writing shared Enum utility code

P-Y loves enums, and shares a fun, quick tip.

Kotlin 2.1.0: Smarter when with Guard Conditions

Tom Sabel examines a long-awaited improvement in Kotlin 2.1 for the when statement: guard conditions.

5 steps to use Paging3 library with Jetpack Compose

Anitaa Murthy shares some of the basics of the paging library, along with a guide on how to implement it in any android app that is using Jetpack Compose.

Elevating Your Jetpack Compose UI with GraphicsLayer

Stefano Natali explores the power of layer-based transformations and effects.

Migration Guide from Retrofit and KAPT to Ktor and KSP

Siva Ganesh Kantamani considers why we might need to migrate from Retrofit to Ktor and KAPT to KSP.

Curved Bottom Bar in Jetpack Compose

Victor Brandalise shows how to create a curved bottom bar in Jetpack Compose.

Optimization, Step by Step

Romain Guy optimizes a BlurHash implementation, with a step-by-step look at how it's done.

Function Properties in Data Classes are Code Smells

Marcello Galhardo examines why using functions as properties in the primary constructor of a data class is a code smell.

Benchmarking Koin vs. Dagger Hilt in Modern Android Development (2024)

Arnaud Giuliani explores the performance of Koin in its latest version (4.0.1-Beta1) and compares it with Dagger Hilt (2.52).

constraints-explorer

A lightweight tool to help understand and debug how Compose's layout constraints affect your composables. It's intended to use in previews and lets you adjust the constraints interactively

svg-to-compose

A command-line tool and a Gradle Plugin for convert SVG to Android Jetpack Compose Icons.

surface-duo-compose-sdk

This repo contains components built with Jetpack Compose for the Microsoft Surface Duo and other large screen and foldable devices.

Introducing Google Developer Program premium membership

Learn about the Google Developer Program premium membership which provides a tailored suite of services to help developers throughout the learning, building and deployment phases of their journey.

Solve Advent of Code 2024 Puzzles in Kotlin and Win Prizes

Advent of Code is the perfect opportunity to level up your Kotlin skills, whether you are a beginner or looking to finally tackle that advanced Kotlin feature you’ve been curious about.

Kotlin 2.1.0 Released

The Kotlin 2.1.0 release is out! This version introduces new language features, tooling updates, performance improvements, and important fixes.

Let's Build a Game with Jetpack Compose! (Kotlin Multiplatform)

Build a Game with Jetpack Compose! using Kotlin Multiplatform.

Kotlin 2.1 Livestream with the Language Evolution Team

The Kotlin team at JetBrains has now focused its efforts firmly on improving the language with new features. In this livestream, learn about several updates in Kotlin 2.1.

Rules about performance tools

Chet, Romain and Tor chat with Shai Barack about how the Android platform team studies performance and understands system health - and what is system health anyway?

Implement Firebase Realtime Database in your app using Jetpack Compose

Daniel Atitienei teaches how to read, write, and update documents using the Firebase Realtime database.

How to Observe the REAL Internet Connectivity

Philipp Lackner teaches how you can observer the real connectivity status on Android. It will give you live changes when internet becomes unavailable and when you're back online.

Clipping and masking

Clipping or masking parts of your content is a way to create delightful UI effects, and is a common need when working with custom UI components.

Everyone needs a starter template

Everyone needs a starter template! We also talk to Márton Braun from JetBrains about Amper, their new build & config tool.