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Alex Vanyo

@vanyo.dev

Android Software Engineer Helping build adaptive Compose everywhere!

124 Posts613 Follower104 Folgt
Rebecca Franks@riggaroo.dev · 7mo ago

👀 Want to see a preview of what's coming up in #JetpackCompose? We heard you that debugging shared elements is tricky. In 1.11.0-alpha03, a new composable LookaheadAnimationVisualDebugging was added. Wrap your SharedTransitionLayout to add visual cues to track down those hard to debug issues. 🐛⤵️

Alex Vanyo@vanyo.dev · 8mo ago

I've converted my side project to Navigation 3 (or at least, a similar close fork of Navigation 3), which you can try out on the web here! alex.vanyo.dev/composelife Two more complex scene ideas I've been playing around with: A SceneStrategy wrapping another SceneStrategy, and derived entry lists.

Alex Vanyo@vanyo.dev · last yr.

The recording from my talk on how to handle configuration changes in Compose at #dcnyc25 is out! Hopefully this helps explain what android:configChanges is responsible for in #AndroidDev and why it's important to know what promises you make when setting it. www.youtube.com/watch?v=K5-9...

Handling configuration changes in Compose - Alex Vanyo | droidcon New York 2025

YouTube video by droidcon & fluttercon

youtube.com

Alex Vanyo@vanyo.dev · last yr.

It was great to see both familiar faces and new ones at #dcnyc25 last week - especially to see how everyone's figuring out what #AndroidDev will look like with the new tools are moving at a blistering speed. The slides for my talk are available here: alex.vanyo.dev/talks/configurationchanges

Alex Vanyo@vanyo.dev · last yr.

A response to the section on "How Can I Determine the Size and Position of Descendants of Peers?" Using onGloballyPositioned (or onSizeChanged, or similar modifiers) like this is a quick way to get yourself into trouble with layouts that take multiple frames to resolve that can flash or look janky.

Mark Murphy@commonsware.com · last yr.

I just sent out jetc.dev Newsletter Issue #273! Android Makers! @eevis.codes on accessibility focus *and* keyboard focus! FABs and FAMs! PWAs! jetc.dev/issues/273 #JetpackCompose #AndroidDev

Alex Vanyo@vanyo.dev · last yr.

I'm excited to be speaking at #DroidconNYC next Thursday, hope to see you there! I'll be covering how to handle configuration changes in Compose, and specifically trying to answer the question of what you should put in android:configChanges and - probably more importantly - why. #AndroidDev

Alex Vanyo@vanyo.dev · last yr.

Thinking about configuration changes isn't optional. Imagine a website trying to prevent the browser window from being resized or breaking when it does. Android apps can't disable configuration changes and need to react to them correctly without losing state using the tools available.

Jorge Castillo@jorgecastillo.dev · last yr.

If you could whisper one Android dev secret to every junior starting today, what would it be? Quote tweet this. Let’s build the Android wisdom tree 🌱

Alex Vanyo@vanyo.dev · last yr.

Hopefully you have a bunch of ideas to improve your apps from the first day of #GoogleIO Day 2 starts soon, be sure to tune in to learn about what's new in developer tools and my favorite topic, why and how to build adaptive! #AndroidDev

Alex Vanyo@vanyo.dev · last yr.

Scenes! If there's only one concept to call out for Navigation 3, it's scenes. The abstraction layer allows showing multiple panes at a time, and in different ways. It's the integration hook that integrates Navigation3 with ListDetailPaneScaffold in a flexible, satisfying way.

Ian Lake@ianlake.bsky.social · last yr.

Today, we've released a brand new Jetpack library - Navigation3! A pure Compose, state based navigation library: android-developers.googleblog.com/2025/05/anno...

Alex Vanyo@vanyo.dev · last yr.

runComposeUiTest has a nice change in #JetpackCompose 1.9.0-alpha01 - the test body block now suspends! So you no longer have to do a nested runComposeUiTest { runTest { /* suspending test code */ } }, which could be funky since runComposeUiTest had an internal runTest before that wasn't exposed.

Alex Vanyo@vanyo.dev · last yr.

A small but extremely useful foundational API added in #JetpackCompose 1.8: LocalWindowInfo.current.containerSize It's the best way to get the size of the window, which should form the basis for any breakpoint logic for top-level layouts like window size classes. #AndroidDev

Ben Trengrove@bentrengrove.dev · last yr.

So the idea is with strong skipping, === is an extremely fast check. Imagine you have a lazy list and an array with a couple of hundred items, 3 on screen. Depending on the cost of equals, it's faster to let that higher level recomposition happen with ===.

Alex Vanyo@vanyo.dev · 2y ago

UI that isn't tested is UI that can break. There are Compose techniques for each part of testing - quick verification when iterating, and automating both visual tests and behavior tests. And coming in Compose 1.8, don't miss the new DeviceConfigurationOverride.WindowInsets for testing insets!

Simona Milanovic@anomiss.bsky.social · 2y ago

✨ New Delightful Compose video is out! ✨ @vanyo.dev has some great tips on how to keep your UI delightful long term by testing it! Previews, screenshot testing, DeviceConfigurationOverride and other helpful tools are covered here: www.youtube.com/watch?v=Y9GW...

Simona Milanovic@anomiss.bsky.social · 2y ago

A 🧵 announcement: With the Jetpack Compose 1.8. beta01 release, you may notice that a significant number of APIs that were previously experimental, have been graduated to stable.

Alex Vanyo@vanyo.dev · 2y ago

After figuring out how to make the coordinates work, it's so satisfying to use a live-updating drag and drop that previews where the dropped content will go.

Alex Vanyo@vanyo.dev · 2y ago

In-between traveling and holiday get-togethers, I finished up Advent of Code for the first time! And since I haven't done it before, now I have 9 years of past puzzles to work through (and without the pressure to start them at the exact time they open)

Alex Vanyo@vanyo.dev · 2y ago

Editing some Java source, and this is the correct syntax for an annotation on a parameter with a fully qualified class name!? What? "android.graphics.@NonNull Insets safeInsets"