Android Weekly - Free weekly Android & Kotlin development newsletter

Articles & Tutorials

Sponsored

What’s your mobile release maturity score?

Body: 42% of mobile releases slip off their planned timeline, and no EM can tell if that puts them ahead of the curve or behind it. The 2026 Decision Guide scores your team across 5 decisions, then names your single next move on the maturity curve. Built on data from 300 mobile EMs. Find your score, free.

The Same System: Advanced expect/actual in KMP

KMP Bits explores advanced expect/actual usage in KMP, covering classes, constructors, typealiases, and compiler rules.

Navigation 3 in Jetpack Compose: The Back Stack Is Just State

Victor Brandalise explores Navigation 3's Compose-first model, where the back stack becomes plain app state you own.

Beyond Crash-Free App: The Senior Engineer's Guide to Memory Health

Vikas Soni argues crash-free rates hide memory leaks and introduces LeakLens, an IDE plugin for proactive detection.

Inside Compose Side Effects: RememberObserver and the Composition Lifecycle

Jaewoong Eum explores how Compose effect handlers work internally through remember and the RememberObserver lifecycle.

Smaller, Slower, Wrong: What Aggressive Quantization Costs On-Device Inference

Chris Merrick benchmarks quantized models on a Pixel, showing why the smallest INT4 model ran slower and misclassified images.

How an AI Agent Builds Android UI It Has Never Seen: A First Look at a2ui

Jaewoong Eum explores a2ui, an in-progress AndroidX module letting server-side agents build native Android UI.

Another Way to KMP: Shared Renderers

Gabor Berenyi shows how a custom 3D renderer can live in shared Kotlin behind a thin graphics façade.

Choose the Right AI Coding Assistant for Android Development

Akshay Nandwana breaks down Google's Android Bench leaderboard and how to use it when picking an AI coding assistant.

Antigravity TagSpotter - Share data with Firebase

Maia Grotepass walks through adding Firebase auth and cloud sync to her Kotlin Multiplatform app with Antigravity.

Mirage: Cloudy Grows from a Blur Library into a Graphics Effect Library

HyunWoo Lee explores Mirage, which grows the Cloudy blur library into a cross-platform shader effect toolkit for Compose.

Inside SubcomposeLayout: Jetpack Compose's Most Misunderstood API

Shreyas Patil digs into how SubcomposeLayout works under the hood, why it's expensive, and when to reach for it.

Practical Kotlin Multiplatform: Setting up the Kotlin Multiplatform Networking Module with Ktor

Joe Birch walks through setting up a shared Kotlin Multiplatform networking module with Ktor.

Place a sponsored post

Advertise to more than 80k Android developers!

We reach out to more than 80k Android developers around the world, every week, through our email newsletter and social media channels. Advertise your Android development related service or product!

Libraries & Code

Introducing the Composables CLI and MCP server

A command-line tool that scaffolds Compose Multiplatform apps and modules with Composables UI wired in from the start.

Renetik Android

A pragmatic Kotlin framework for reactive MVC-style Android apps with observable properties, stores, and a view-controller UI layer.

News

The History of Kodee, Kotlin's Mascot

Katie Fraser shares how community research and design iteration shaped Kodee, Kotlin's mascot.

Introducing the Kotlin Benchmark for AI Coding Agents

JetBrains releases the Kotlin Benchmark and public leaderboard for evaluating AI coding agents on real-world Kotlin tasks.

Google Play launches the first Indie Games Fund in Africa

Google Play launches a $1 million Indie Games Fund for indie studios across Sub-Saharan Africa.

Evolving how LLMs are measured for Android: the next era of Android Bench

Google updates Android Bench with the Harbor framework, eight new models, and community task contributions.

Videos & Podcasts

Metro Under the Hood - Zac Sweers

Zac Sweers goes under the hood of Metro's Kotlin compiler plugin and the code it generates.

We don't need ViewModels anymore. So shall we get rid off them?

Philipp Lackner questions whether ViewModels are still needed, demonstrating a custom state holder alternative for Compose.

Building Enterprise Ready AI with Koog - Vadim Briliantov

Vadim Briliantov shows how JetBrains' Koog framework builds production-grade AI agents in Kotlin.

TestBalloon: Kotlin testing is easier (and more fun) than you think

Oliver Okrongli and Bernd Prünster introduce TestBalloon, a lightweight multiplatform Kotlin test framework with an extensible DSL.

Eval-Driven Development: The Fine Line Between Agentic Success and Failure - Urs Peter

Urs Peter shows how eval-driven development tames hallucinations and drift in agentic AI systems.

Effective Kotlin Item 5 - Specify your expectations for arguments and state

Marcin Moskała covers specifying expectations for arguments and state with require, check, and assert.

Android Weekly is a free newsletter that helps you to stay cutting-edge with your Android Development.

The newsletter comes once a week and covers a broad range of topics
like tutorials, screencasts, news... just everything that's awesome in
the Android Development world!

Latest Issue

Past Issues

Post a Job

Post a job in our next issue and reach thousands of android developers around the world.

Archive

You've missed an issue of our newsletter? No problem! Just take a look at the archive and get all past issues.

Android Conferences

Submit your Android development conference or write our stuff to get it covered in Android Weekly.

What our readers say