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Ben Weiss @keyboardsurfer.dev · 22/07/2026

The new Jetpacker sample app integrates with Android's intelligence system using AppFunctions. Read this blog post for the down low. android-developers.googleblog.com/2026/07/buil...

android-developers.googleblog.com

Build intelligent Android apps: Integrate into Android's intelligence system using AppFunctions

News and insights on the Android platform, developer tools, and events.

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Ben Weiss @keyboardsurfer.dev · 06/07/2026

Join @lojanda.bsky.social and me on this deep dive into the intelligence system and Android MCP using the AppFunctions API: www.youtube.com/watch?v=qtQM... #AndroidDev

youtube.com

Build intelligent experience: Deep dive into AppFunctions (I/O Connect '26)

YouTube video by Android Developers

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Reposted by Ben Weiss

Mohsen Mirhoseini @mohsenoid.bsky.social · 29/06/2026

Google I/O Connect Berlin was a wild ride, but the biggest highlight? Sitting down with @keyboardsurfer.dev to break down the brand-new Android AppFunction API. 🤖🚀 youtu.be/z1Ftq-Ju-ZU #AndroidDev #GoogleIO #GoogleIOConnect #Android16 #AI #MCP #Gemini #AppFunction

youtu.be

The Future of Android AI: Google I/O Connect Berlin AppFunction Deep Dive

YouTube video by Android Developer Tips

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Ben Weiss @keyboardsurfer.dev · 12/06/2026

We just open sourced the AppFunctions Testing Agent! 🧪 Manual deterministic testing & LLM-based agent evaluation 📱 Clean multi-module refactor of ChatApp with Wear OS support! Grab your API keys and check it out. #AndroidDev #AI #FridayDeploy github.com/android/appf...

github.com

GitHub - android/appfunctions: Android AppFunctions samples

Android AppFunctions samples. Contribute to android/appfunctions development by creating an account on GitHub.

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Ben Weiss @keyboardsurfer.dev · 20/05/2026

Want to know how fast it can be to integrate AppFunctions in your app? Watch the What's new in Android segment to see what you can do today. youtu.be/sig3n7XyaaA?...

youtu.be

What's new in Android

YouTube video by Google for Developers

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Ben Weiss @keyboardsurfer.dev · 20/05/2026

The AppFunctions skill discovers and recommends features of your app that could be implemented as AppFunction. It can also implement and refine existing AppFunctions for you. github.com/android/skil...

github.com

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Ben Weiss @keyboardsurfer.dev · 20/05/2026

AppFunctions are the customizable way for your app to integrate into Android's intelligence system. Today we're shipping a brand new code sample, development skill, and testing agent alongside a developer guidance refresh. d.android.com/ai/appfunctions

d.android.com

Overview of AppFunctions | AI | Android Developers

AppFunctions lets apps expose tools for AI agents, similar to the Model Context Protocol (MCP).

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Ben Weiss @keyboardsurfer.dev · 13/05/2026

AppFunctions unlock new ways to interact with your app's users through system agents. We're currently experimenting with the API surface. Watch the feature introduction, register your interest at goo.gle/eap-af and keep your eyes peeled for more to come very soon. www.youtube.com/watch?v=KvTR...

youtube.com

The Android Show: Developers Cut

YouTube video by Android Developers

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Ben Weiss @keyboardsurfer.dev · 31/03/2026

Numbers like these show time and again, that a little work on the right thing goes a very long way. @marianeum.bsky.social was very quick to update Monzo's R8 configuration and made the app much more performant along the way. ⚡️

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Simona Milanovic @anomiss.bsky.social · 01/02/2026

Come and chat with us on Feb 5th 😊 we'll (try to) answer your questions about Gemini in Android Studio, and share some tips & tricks 👩‍🔬 With @josealcerreca.bsky.social, @astamato.bsky.social, @nosuid.bsky.social, Joe Birch and a few more! Join in → goo.gle/3O7dfk0

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Reposted by Ben Weiss

seb @sebastiano.dev · 17/12/2025

PSA — go and click that refresh button to get Gemini 3 Flash ;)

Android Studio's settings showing the tools > AI > Model Providers page. The Gemini 3 Flash Preview model is highlighted in the Google AI Studio section.

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Reposted by Ben Weiss

Rebecca Franks @riggaroo.dev · 05/12/2025

If you want to reduce your ANR rate... enable R8! 🥁 Honestly the numbers from Reddit here are wildly impressive, with 30% less ANRs, 40% faster app startup and frame rate improvement of 25% 😱 Checkout the video from @keyboardsurfer.dev to learn more! www.youtube.com/watch?v=QqO2...

youtube.com

Boost Android app performance with the R8 optimizer | Spotlight Week

YouTube video by Android Developers

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Ben Weiss @keyboardsurfer.dev · 04/12/2025

Are you ready for a session on Android performance including some live coding? I mean, what could go wrong? Watch the recorded Google I/O 2025 session now! www.youtube.com/watch?v=xMyl...

youtube.com

App performance improvements

YouTube video by Android Developers

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Ben Weiss @keyboardsurfer.dev · 26/11/2025

At droidcon London @ajeshr.bsky.social and I presented on "low effort, high impact app performance". We explored how you can improve app performance and then measure these improvements. youtu.be/t7djyOWymJQ?...

youtu.be

Low effort, High impact Android performance wins - Ben Weiss & Ajesh Pai | droidcon London 2025

YouTube video by droidcon & fluttercon

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Ben Weiss @keyboardsurfer.dev · 21/11/2025

Performance Spotlight Week is done and dusted. Check out everything we talked about in the closing blog post. android-developers.googleblog.com/2025/11/full...

android-developers.googleblog.com

Fully Optimized: Wrapping up Performance Spotlight Week

News and insights on the Android platform, developer tools, and events.

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Ben Weiss @keyboardsurfer.dev · 21/11/2025

We're hosting a live Ask Android session to cap off Performance Spotlight Week at 6PM CET / 9AM PT today. Tune in and bring your questions. www.youtube.com/watch?v=RMnZ...

youtube.com

App Performance #AskAndroid | Spotlight Week

YouTube video by Android Developers

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Ben Weiss @keyboardsurfer.dev · 20/11/2025

During Google I/O 2025 we also talked about low effort and high impact app performance improvements. And now you can watch the recording.

youtube.com

App performance improvements

YouTube video by Android Developers

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Ben Weiss @keyboardsurfer.dev · 20/11/2025

Tomorrow 9AM PT we're going to answer your #AskAndroid questions on app performance. Quick think of something and ask right now! I won't answer before the session though. www.youtube.com/watch?v=RMnZ...

youtube.com

App Performance #AskAndroid | Spotlight Week

YouTube video by Android Developers

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Ben Weiss @keyboardsurfer.dev · 20/11/2025

Run this and let me know the output: `grep "dontoptimize" app/build/outputs/mapping/release/configuration.txt` In case it's not empty, you definitely should watch this youtu.be/QqO2jZ-NZko?...

youtu.be

Boost Android app performance with the R8 optimizer | Spotlight Week

YouTube video by Android Developers

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Ben Weiss @keyboardsurfer.dev · 20/11/2025

Customizing the cache window lets you prefetch content on Jetpack Compose LazyLayouts. Combining it with pausable composition and text prefetching is a winning combination.

android-developers.googleblog.com

Deeper Performance Considerations

News and insights on the Android platform, developer tools, and events.

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Ben Weiss @keyboardsurfer.dev · 19/11/2025

Let's talk you through R8 Keep Rules, take the edge off and give your app the performance boost it deserves. android-developers.googleblog.com/2025/11/conf...

android-developers.googleblog.com

Configure and troubleshoot R8 Keep Rules

News and insights on the Android platform, developer tools, and events.

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Ben Weiss @keyboardsurfer.dev · 19/11/2025

There's more to g-R8 performance. Profile Guided Optimizations, Jetpack Compose 1.10 and background work considerations are on the menu of today's read. android-developers.googleblog.com/2025/11/deep...

android-developers.googleblog.com

Deeper Performance Considerations

News and insights on the Android platform, developer tools, and events.

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Ben Weiss @keyboardsurfer.dev · 18/11/2025

So you enabled R8. Now is a good time to catch up on Keep Rules. @ajeshr.bsky.social talks you through configuration and troubleshooting. www.youtube.com/watch?v=A0I6...

youtube.com

How to debug and troubleshoot R8 optimizer | Spotlight Week

YouTube video by Android Developers

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Ben Weiss @keyboardsurfer.dev · 18/11/2025

Share this post with your stakeholders. I'm convinced they want to invest in performance after reading it. android-developers.googleblog.com/2025/11/how-...

android-developers.googleblog.com

How Reddit used the R8 optimizer for high impact performance improvements

News and insights on the Android platform, developer tools, and events.

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Ben Weiss @keyboardsurfer.dev · 18/11/2025

This Friday we'll host a live session on App Performance. Bring your questions using #AskAndroid or #performanceEnabled. See you there www.youtube.com/watch?v=RMnZ...

youtube.com

App Performance #AskAndroid | Spotlight Week

YouTube video by Android Developers

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Ben Weiss @keyboardsurfer.dev · 17/11/2025

The single biggest performance impact for the Reddit app came from enabling the R8 optimizer's full potential. android-developers.googleblog.com/2025/11/how-...

android-developers.googleblog.com

How Reddit used the R8 optimizer for high impact performance improvements

News and insights on the Android platform, developer tools, and events.

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Ben Weiss @keyboardsurfer.dev · 21/10/2025

droidcon London is around the corner. This time Ajesh Pai and I will share how you can make low effort and high impact app performance improvements to your app and how that helps drive user satisfaction and business results. Looking forward to seeing you there.

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Ben Weiss @keyboardsurfer.dev · 29/07/2025

Ever wondered how much app performance really matters? 🤔 Duolingo's latest case study shows it's a game-changer! They boosted their Daily Active Users by hundreds of thousands just by speeding up their Android app. 🚀 blog.duolingo.com/android-app-...

blog.duolingo.com

Duolingo's Android performance case study and DAU growth

How we boosted Android app performance and gained hundreds of thousands of daily active users

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Reposted by Ben Weiss

Ben Trengrove @bentrengrove.dev · 23/05/2025

There are a lot of amazing KMP talks coming out right now but here is our talk from I/O! Dustin and I give an update on our latest KMP releases and then explain the build setup for an Android KMP app. youtu.be/gP5Y-ct6QXI?...

youtu.be

Demystify KMP builds and structure

YouTube video by Android Developers

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Ben Weiss @keyboardsurfer.dev · 23/05/2025

Hard agree! The I/O + Kotlinconf was unlucky, but at least I got to see some old friends again and make new ones.

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Reposted by Ben Weiss

Simona Milanovic @anomiss.bsky.social · 23/05/2025

Our #IO25 talk on how to build more accessible apps with Compose is out! 🥳 Lots of tips on choosing appropriate semantics, merging, clearing & hiding, inspection & debug, accessibility checks in tests 🫶 Check it out ☺️ www.youtube.com/watch?v=80qk...

youtube.com

Build more accessible UIs with Jetpack Compose

YouTube video by Android Developers

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Ben Weiss @keyboardsurfer.dev · 21/05/2025

Tomorrow we will show how to measure and improve app performance at #GoogleIO. Make sure to join in.

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Ben Weiss @keyboardsurfer.dev · 20/05/2025

Come talk with us at the Dev Productivity booth after the Developer Keynote at #GoogleIO

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Ben Weiss @keyboardsurfer.dev · 16/05/2025

Yes, Moshi is another legit option for working with Json!

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Ben Weiss @keyboardsurfer.dev · 15/05/2025

Yes! Sounds like a great idea.

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Ben Weiss @keyboardsurfer.dev · 15/05/2025

Don't use Gson on Android. Use Kotlin Serialization instead. It relies on code generation instead of reflection. This helps avoid optimization related crashes and faster app performance. github.com/google/gson?... github.com/Kotlin/kotli...

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Ben Weiss @keyboardsurfer.dev · 04/04/2025

Awesome conversation about Android App Performance in the new Android Build Time podcast: www.youtube.com/watch?v=8zgN...

youtube.com

Enhancing app performance in Android | Android Build Time

YouTube video by Android Developers

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Ben Weiss @keyboardsurfer.dev · 20/03/2025

I'm so glad that you liked my letter about the cracked sidewalk. Did you read the one about potholes and the other one on the negative impact of the patriarchy and capitalism on the relationship between humans and their environment as well?

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Ben Weiss @keyboardsurfer.dev · 12/03/2025

Thanks, my bad. They're on now.

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Ben Weiss @keyboardsurfer.dev · 12/03/2025

✨ We're hiring Developer Relations Engineers for Android! ✨ If you're based in Bangalore and can see yourself working with me on Performance or being a part of the incredible Compose team, message me or apply directly. www.google.com/about/career...

google.com

Developer Relations Engineer, Android — Google Careers

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Reposted by Ben Weiss

Jolanda Verhoef @lojanda.bsky.social · 25/02/2025

Had to laugh out loud when I encountered this performHapticFeedback reference doc remark 🤣

Documentation for performHapticFeedback - first line says: "BZZTT!!1!". LOL

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Ben Weiss @keyboardsurfer.dev · 25/02/2025

As usual @p-y.wtf's performance write ups are highly recommended reading.

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