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Super excited to be selected as one of the finalists for the Golden Kodee Award 🏆 Big thanks to everyone who nominated me, and I really appreciate it! Congrats to everyone who made the cut. kotlinconf.com/awards

Compose Interview Question: Compose's Three Phase Rendering Pipeline. doveletter.dev/preview/inte...

R8/ProGuard Configuration Insights (Redundant Rules). developer.android.com/agents/skill...

This is one of those features I didn't know I needed but can't live without anymore.

This is hotter than hot reload. I'm tackling blink-speed Compose Hot Reload on Android. Literal Patching brings Compose Hot Reload down to sub-50ms, with no compilation required on your Android device. hotswan.dev/docs/literal...

RevenueCat Android SDK 9.29.0 has been released. This release introduces a codegen package, which fetches product configurations from your dashboard and generates type-safe Kotlin code for offerings, entitlements, packages, and customer info, etc github.com/RevenueCat/p...

Published a new article, 'Google Play’s billion-dollar billing leak: How to recover the subscribers you’re losing to payment failures'. A third of your Google Play cancellations aren't users choosing to leave. www.revenuecat.com/blog/growth/...

Compose Stability Analyzer 0.7.2 has been released. It's an Android Studio plugin that enables real-time analysis of Jetpack Compose composable functions' stability directly within Android Studio or IntelliJ. github.com/skydoves/com...

Analyze your build with the APK Analyzer. developer.android.com/studio/debug...

Compose Tip: You can track parameter changes in real time when a composable is recomposed using the Compose Stability Analyzer, an IntelliJ IDE plugin. github.com/skydoves/com...

Compose Preview Catalog page, which Compose HotSwan's Preview Runner generates with a single command line. skydoves.github.io/pokedex-comp...

RevenueCat JetBrains IDE plugin 1.2.3 has been released. Now it supports more agent models: Claude Sonnet 4.6, Claude Opus 4.6, GPT-4.1 Nano, and O3 Mini. Also, it migrated away from JetBrains Koog, and it has its dedicated AI agent. plugins.jetbrains.com/plugin/29265...

Nav UI with Scene Decorators Recipe. developer.android.com/guide/naviga...

Just published a new article, 'Kotlin Coroutine bridges: converting any callback-based Android API to suspend functions'. www.revenuecat.com/blog/enginee...

Jetpack Compose Hot Reload on Real Android Devices: Reduce the Build Time to Seconds. You will explore the engineering constraints that make hot reload on Android difficult, how Compose HotSwan works within those constraints, and its core capabilities. skydoves.medium.com/jetpack-comp...

This is REAL. Run Compose Previews in ~1 second on a real device, and generate screenshot reports automatically, in just one Gradle task. Introducing Compose Preview Runner in Compose HotSwan 1.1.0! 🚀 hotswan.dev/docs/preview

Extend Agent Mode with skills. Skills let you enhance Agent Mode's capabilities with specialized expertise and custom workflows. They are based on the Agent Skills open standard. developer.android.com/studio/previ...

Build Your Own Landscapist Image Plugin in Jetpack Compose. In this article, you'll explore the ImagePlugin architecture and how to build a pluggable custom image plugin that attaches or detaches with a single line of code. doveletter.dev/preview/arti...

Two-dimensional scrolling: scrollable2D, draggable2D. developer.android.com/develop/ui/c...

This preview lag is so annoying, right?

HotSwan lets you generate a design bridge HTML file with your Hot Reload snapshots. Bridge the gap between development and design. Export your snapshot history as a self-contained visual report that designers can review without any developer tools. hotswan.dev/docs/snapshot#design-bridge

Published a new article, 'The Android paywall conversion gap: why the problem isn’t your trial, it’s your funnel entrance'. This article breaks down the Android paywall funnel, including where users drop off and how subscription options are actually selected. www.revenuecat.com/blog/growth/...

Jetpack Compose Hot Reload for multiple Android devices. hotswan.dev/docs/multi-d...

Understanding Google Play subscription proration (replacement mode) is important if you are handling upgrades, downgrades, or plan changes. Getting this wrong can lead to unexpected charges or broken user experiences. www.revenuecat.com/blog/enginee...

Firebase Studio is sunsetting. firebase.google.com/docs/studio/...

Compose HotSwan for Kotlin Multiplatform. Compose HotSwan lets you make instant Compose UI updates on your running Android app with state preserved. hotswan.dev/docs/kotlin-...

JetBrains' Koog allows you to build AI-powered applications with Kotlin, using structured and composable workflows. RevenueCat’s AI Agent plugin for Android Studio, built with Koog. www.revenuecat.com/blog/enginee...

What score will you get on this Kotlin Quiz? 😁 Test your knowledge of the Kotlin language, standard library, coroutines, KotlinX libraries, and the compiler. Select all correct answers for each question. Each question is worth 10 points. doveletter.dev/quiz/kotlin

Navigation Event library. Navigation Event is a library that provides a Kotlin Multiplatform (KMP) solution for integrating system-level navigation events into your application. developer.android.com/guide/naviga...

Handle back gestures and predictive back animations. developer.android.com/guide/naviga...

One of the biggest gems of Compose Hot Reload is the ability to simulate animation variations directly on real Android devices. hotswan.dev/docs/support...

If you thought Compose Hot Reload couldn't get any better, check out HotSwan which brings it to Android builds. Absolutely mind blowing stuff 👇

Why Compose HotSwan 🦢 It explains how Compose HotSwan brings true Hot Reload to Android, avoiding rebuilds and app restarts. It enables instant UI updates on a running app while preserving state, improving development speed. hotswan.dev/docs/how-it-...

This may be a big deal for Android folks — check out the Compose Hotswan plugin for Android Studio created by @skydoves.bsky.social and let me know what you think! plugins.jetbrains.com/plugin/30551...

Compose Hot..Swan is finally here! 🦢 Compose HotSwan enables Compose Hot Reload in real Android devices, instant UI updates on your running Android app, with state preserved. No rebuilds, no relaunching, no navigating back to the same screen again. hotswan.dev

Kotlin for Jetpack Compose. developer.android.com/develop/ui/c...

It's been a year since the Manifest Android Interview was published, and the course edition is finally here! 🚀 2.5x more content: 1,042 pages, 370+ practical interview & follow-up questions with full answers, 250+ interactive assessments are contained. doveletter.dev/course/android

I just published a new article, 'How Compose Preview Works Under the Hood'. This article explains how a Preview composable is rendered in Android Studio and how the system maps the UI back to source code. doveletter.dev/preview/arti...

Working on another phase. Compose HotSwan meets AI. You can watch AI modify style code through Hot Reload in real time on your real physical device, allowing you to choose the better direction through a decision tree and quickly arrive at better results.

Compose Tip: The Compose Stability Analyzer plugin allows you to track/debug the reasons for recompositions and see which/why parameter values changed in real time on your Android devices. github.com/skydoves/com...

Snapshot of Compose "Snapshot" 🦢 Working on another snapshot feature for HotSwan, which captures a device screenshot after every successful hot reload and pairs it with code diff that triggered the reload. You can do Code Time Traveling (revert) to a specific snapshot moment.

Subscription State Machine. A subscription is not simply "active" or "inactive."

Compose Tip: You can debug recomposition counts and their causes in real time using the Compose Stability Analyzer plugin’s Live Recomposition Heatmap. skydoves.github.io/compose-stab...

Who should receive a Golden Kodee? Now’s your chance to show support for the community members who inspire, build, and help others. Vote for your favorites! https://kotl.in/6zi8k8

Compose HotSwan is getting much better 🦢 - x10 faster dex compilation + UI changes speed - Retain all states like navigation, scroll position, remember, etc - allow composable reordering - resource hot reload (strings.xml, drawable, etc) - stable slot table recomposition

Published a new article, 'What Google Play’s new merchandising and optimization page means for Android developers'. Three existing out-of-app merchandising features and how they work, what Google Play is changing by unifying them with new Merchandising. www.revenuecat.com/blog/enginee...

I'm working on Compose Hot.. Swan 🦢 Compose HotSwan lets you instantly apply Compose UI changes to your running app, no restarts and no heavy IDE lag like Live Edit. It works with 100% compatibility across all Android devices and emulators.

Without RevenueCat vs. With RevenueCat for in-app purchases, Google Play.

Manage dependencies with AI. developer.android.com/studio/gemin...