Marcello Galhardo
@marcellogalhardo.dev
🇧🇷 → 🇩🇪 → 🇮🇹 → 🇬🇧 👨💻 Android Toolkit @ Google 🗣️ Opinions are my own 🌐 marcellogalhardo.dev
The video for our @kotlinconf.com 2026 session is now live! If you missed @ianlake.bsky.social and me in Munich, you can catch the full recording of "Peeling back the Layers: A Navigation3 Deep Dive" right here: youtu.be/6g2mjgljn7M #AndroidDev #Kotlin #KotlinConf
Peeling back the Layers: A Navigation3 Deep Dive | Marcello Galhardo and Ian Lake
YouTube video by Kotlin by JetBrains
youtu.be
I did some experimenting with the new scoping APIs for ViewModel in the latest lifecycle update saurabharora.dev/posts/per-it... #AndroidDev #JetpackCompose
Beyond the Screen: Component-Level ViewModels in Compose
Until Lifecycle 2.11, ViewModelStore scoping was tied to navigation destinations, activities, or fragments. There was no clean way to scope a ViewModel to an arbitrary part of your UI. The Lifecycle 2...
saurabharora.dev
Just published "Scoping ViewModels in Compose". marcellogalhardo.dev/posts/scopin... #AndroidDev #Kotlin #KMP #CMP
Scoping ViewModels in Compose
Lifecycle ViewModel 2.11.0-alpha02 introduces rememberViewModelStoreOwner, an API to scope ViewModelStore directly within the Compose hierarchy. Why It Matters Until now, ViewModelStore scoping was ti...
marcellogalhardo.dev
@ianlake.bsky.social and I are speaking at @kotlinconf.com this year! We'll be peeling back the layers of Navigation3 - exploring the NavDisplay API, the decisions behind each overload, and the helper APIs that let you build custom navigation logic. See you there! #AndroidDev #Kotlin
In case you want to become a benevolent Gradle overlord, I've got you some tips Recording: youtu.be/o99f54pYGgc?... Slides: speakerdeck.com/aurimas/the-... #gradle
The Benevolent Gradle Overlord: Keeping Order - Aurimas Liutikas | droidcon London 2025
YouTube video by droidcon & fluttercon
youtu.be
My talk: The Busy Android Developers Guide to Perfetto is now up on YouTube ! Root-causing problems is a lot of fun. Once you start you can't stop 😜 Happy Tracing !!
Aurimas Liutikas@liutikas.net · 9mo agoPerfetto performance traces can be very intimidating. A talk by perf wizard @rahulrav.com makes it a tiny bit less scary. youtu.be/WJHNBN_19F8?... #performance #android
we’re hiring on the app architecture team! if you’re interested or have questions about the work or the team, feel free to reach out. #AndroidDev
Ian Lake@ianlake.bsky.social · 9mo agoNavigation3 is really a turning point for the whole Architecture Components team as we look to work closely with the Compose team and think more holistically about what it takes to build an Android app. So if you're an ~L4 engineer who wants to help, I'm hiring! www.google.com/about/career...
Jetpack Navigation 3 is stable! 🎉🎉🎉 Leaning into Jetpack Compose and the idea of combining smaller building blocks together really helped make Nav3 a much more flexible library that made it a joy to work on and hopefully for you to use as well! android-developers.googleblog.com/2025/11/jetp...
Jetpack Navigation 3 is stable
News and insights on the Android platform, developer tools, and events.
android-developers.googleblog.com
In other Navigation news, Navigation3 hits its 1.0.0-rc01 this week, which means we're almost to the first stable release! This is the perfect time to test it out one more time and make sure everything is working for what you need! developer.android.com/jetpack/andr...
navigation3 | Jetpack | Android Developers
developer.android.com
The first #JetpackReleaseNotes of November include SplashScreen 1.2.0, SavedState 1.4.0, Navigation 2.9.6, RC releases in Navigation3, NavigationEvent, Activity, and Lifecycle and Compose 1.10.0-beta02. developer.android.com/jetpack/andr...
Recent Release Notes | Android Developers
developer.android.com
I got a bunch of questions about it, so I wrote a post www.liutikas.net/2025/11/02/U...
Unreasonable Configuration - What is a Normal Amount of Gradle Configuration Time?
It is very difficult to fix something if you don’t know what a normal behavior looks like. Through my conversations at DroidCon London this year I realized t...
liutikas.net
Just published "NavigationEvent Info". marcellogalhardo.dev/posts/naviga... #AndroidDev #Kotlin #KMP #CMP
NavigationEvent Info
NavigationEvent is a Kotlin Multiplatform library for handling system gestures - back and forward - on all platforms. It works on Android, iOS and Desktop with Web support coming next. Android used to...
marcellogalhardo.dev
The Android team has just released a brand new landing page for Kotlin Multiplatform, explaining the technology and showing how Google and JetBrains are support different parts of the ecosystem! developer.android.co...
Navigation3 reaches API stability this week with the 1.0.0-beta01 release! There's a few important bug fixes in this release as well, but this beta means we're only a few weeks away from rc01 and then stable! If you run into any issues, please let us know ASAP developer.android.com/jetpack/andr...
navigation3 | Jetpack | Android Developers
developer.android.com
This week's #JetpackReleaseNotes include Work manager 2.11.0, Compose Material3 Adaptive 1.2.0, Graphics 1.1.0, bug fixes in Compose 1.9.4, Wear Compose 1.5.4, and Room 2.8.3 plus beta01 releases of Navigation3 (🎉), Lifecycle, Activity, DataStore, and Compose. developer.android.com/jetpack/andr...
Recent Release Notes | Android Developers
developer.android.com
I made plot-benchmarks (a tool to view and compare AndroidX Benchmark Results) public. androidx.dev/benchmarks/p... Simply drag and drop the benchmark JSON to the page, and you can start plotting and comparing ! The souce code for the app is here: cs.android.com/androidx/pla...
Plot Benchmarks
androidx.dev
Awesome post from @f1xedgear.bsky.social and @autonomousapps.bsky.social about improving Gradle sync times in the IDE engineering.block.xyz/blog/shrinki... #gradle
Shrinking Elephants
Managing very large projects with Gradle and Intellij IDEA-based IDEs
engineering.block.xyz
This week's #JetpackReleaseNotes include Metrics (aka 'JankStats') 1.0.0, Heifwriter 1.1.0, Health Connect 1.1.0, bug fixes in Camera 1.5.1, Compose 1.9.3, Room 2.8.2, and Wear Compose 1.5.3 plus lots of changes in Navigation3 1.0.0-alpha11. developer.android.com/jetpack/andr...
Recent Release Notes | Android Developers
developer.android.com
Would you like to work on Compose at Google (Mountain View CA office)? Apply here and let's work together www.google.com/about/career...
Senior Software Engineer, Jetpack Compose — Google Careers
google.com
A quick write up of an investigation for a test failure with NoSuchFieldError www.liutikas.net/2025/10/06/N...
NoSuchFieldError - JavaVersion does not have member field 'JavaVersion$Companion Companion'
AndroidX team strongly believes in shadow jobs to catch regressions early. Metalava tool that we use to track androidx APIs builds on top of Android Lint inf...
liutikas.net
If you are using Gradle configuration cache you know that one of the most frustrating parts of the experience is unexpected CC misses. I wrote a post on how to minimize that! www.liutikas.net/2025/09/30/I... #gradle
Input to Your Inputs - What Invalidates Gradle Configuration Cache?
By now you have hopefully adopted Gradle’s configuration cache (CC) feature, and it is giving you huge speed-ups by skipping configuration phase for quick it...
liutikas.net
Been using this as my daily Bluesky client on Android, even in early access it's fantastic (and the animations are stunning). Props to @tunji.dev for the awesome work in @heron.tunji.dev!
TJ@tunji.dev · 10mo agoI'm excited to announce something I've been building, an open source atproto client heron.tunji.dev! Its currently available in beta on Google Play for Android devices. Please DM @heron.tunji.dev if you'd like early access. It will be released to all Android users in the next few weeks!
Navigation3 1.0.0-alpha10 improves rememberNavBackStack's KMP support, breaks Scene APIs into its own package, & we've broken two layers out of NavDisplay in rememberDecoratedNavEntries (for multiple back stacks) and rememberSceneState (for owning system back). developer.android.com/jetpack/andr...
navigation3 | Jetpack | Android Developers
developer.android.com
This week's #JetpackReleaseNotes includes Window 1.5.0, Compose Material3 1.4.0 plus bug fixes in Compose 1.9.2, Navigation 2.9.5, Room 2.8.1, Sqlite 2.6.1, Wear Compose 1.5.2, and WorkManager 2.10.5. developer.android.com/jetpack/andr...
Recent Release Notes | Android Developers
developer.android.com
NavigationEvent 1.0.0-alpha09 makes some pretty sweeping changes to the API surface. - Dispatcher now focuses on global state with the new history and transitionState properties - Handler has local state - Compose users get a NavigationEventState for hoisting developer.android.com/jetpack/andr...
navigationevent | Jetpack | Android Developers
developer.android.com
Build smaller, faster Android apps with R8 → https://goo.gle/4m9s80K Our new docs cover everything from basics to advanced options, with guides and examples to help you write the right keep rules, shrink apps, and boost performance.
Just published "IDEA Vim". marcellogalhardo.dev/posts/idea-vim #AndroidDev #VIM #IDEA
IDEA Vim
I’ve been using the IDEA Vim plugin in Android Studio for a while. I only ever learned the basics with Practical Vim, but that’s been enough. The nice part is how the same muscle memory works everywhe...
marcellogalhardo.dev
📢 The Kotlin 2.2.20 release is out, bringing important changes for web development! Kotlin/Wasm is now Beta, with improved exception handling in JavaScript interop, npm dependency management, built-in browser debugging support, and a new shared source set for js and wasmJs targets. 🔗 kotl.in/2.2.20
Kotlin 2.2.20 Released | The Kotlin Blog
The Kotlin 2.2.20 release is out! This version delivers important changes for web development and other improvements. Learn more!
kotl.in
Today's #JetpackReleaseNotes includes Camera and Camera ViewFinder 1.5.0, Room 2.8.0, Hilt 1.3.0, plus bug fixes in Compose 1.9.1, Navigation 2.9.4, and Navigation3 1.0.0-alpha09. developer.android.com/jetpack/andr...
Recent Release Notes | Android Developers
developer.android.com