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Posts by Ben Weiss

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. ⚑️

2 days ago 3 2 0 0
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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 πŸ‘©β€πŸ”¬

With @josealcerreca.bsky.social, @astamato.bsky.social, @nosuid.bsky.social, Joe Birch and a few more!

Join in β†’ goo.gle/3O7dfk0

2 months ago 15 4 0 0
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.

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.

PSA β€” go and click that refresh button to get Gemini 3 Flash ;)

3 months ago 4 2 0 0
Boost Android app performance with the R8 optimizer  | Spotlight Week
Boost Android app performance with the R8 optimizer | Spotlight Week YouTube video by Android Developers

If you want to reduce your ANR rate... enable R8! πŸ₯

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...

3 months ago 9 1 0 0
App performance improvements
App performance improvements YouTube video by Android Developers

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...

3 months ago 1 1 0 0
Low effort, High impact Android performance wins - Ben Weiss & Ajesh Pai | droidcon London 2025
Low effort, High impact Android performance wins - Ben Weiss & Ajesh Pai | droidcon London 2025 YouTube video by droidcon & fluttercon

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?...

4 months ago 16 4 0 0

I'm here for this!

4 months ago 1 0 0 0
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Fully Optimized: Wrapping up Performance Spotlight Week News and insights on the Android platform, developer tools, and events.

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...

4 months ago 12 3 0 1
App Performance #AskAndroid | Spotlight Week
App Performance #AskAndroid | Spotlight Week YouTube video by Android Developers

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...

4 months ago 2 1 0 0
App performance improvements
App performance improvements YouTube video by Android Developers

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

4 months ago 7 1 0 0
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App Performance #AskAndroid | Spotlight Week
App Performance #AskAndroid | Spotlight Week YouTube video by Android Developers

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...

4 months ago 2 0 0 0
4 months ago 0 0 0 0
Boost Android app performance with the R8 optimizer  | Spotlight Week
Boost Android app performance with the R8 optimizer | Spotlight Week YouTube video by Android Developers

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?...

4 months ago 13 3 0 1
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Deeper Performance Considerations News and insights on the Android platform, developer tools, and events.

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

4 months ago 5 2 0 0
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Configure and troubleshoot R8 Keep Rules News and insights on the Android platform, developer tools, and events.

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...

4 months ago 2 0 0 0
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Deeper Performance Considerations News and insights on the Android platform, developer tools, and events.

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...

4 months ago 0 0 0 0
How to debug and troubleshoot R8 optimizer | Spotlight Week
How to debug and troubleshoot R8 optimizer | Spotlight Week YouTube video by Android Developers

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...

4 months ago 5 2 0 0
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How Reddit used the R8 optimizer for high impact performance improvements News and insights on the Android platform, developer tools, and events.

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-...

4 months ago 1 0 0 0
App Performance #AskAndroid | Spotlight Week
App Performance #AskAndroid | Spotlight Week YouTube video by Android Developers

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...

4 months ago 3 1 0 0
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How Reddit used the R8 optimizer for high impact performance improvements News and insights on the Android platform, developer tools, and events.

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-...

4 months ago 6 1 0 0
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Get your app on the fast track with Android Performance Spotlight Week! News and insights on the Android platform, developer tools, and events.

We're just starting a Spotlight Week on Performance. So get yourselves ready for some g-R8 content.

4 months ago 11 3 0 1
Android Performance Wins: High-Impact, Low-Effort Fixes with Ben Weiss πŸš€
Android Performance Wins: High-Impact, Low-Effort Fixes with Ben Weiss πŸš€ YouTube video by droidcon & fluttercon

It's almost time for @droidcon.bsky.social London once again.
www.youtube.com/shorts/rgC8z...

5 months ago 5 1 0 0
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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.

5 months ago 12 0 0 0
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Duolingo's Android performance case study and DAU growth How we boosted Android app performance and gained hundreds of thousands of daily active users

Ever wondered how much app performance really matters? πŸ€” 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. πŸš€

blog.duolingo.com/android-app-...

8 months ago 19 4 0 1
Demystify KMP builds and structure
Demystify KMP builds and structure YouTube video by Android Developers

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?...

10 months ago 29 9 0 1
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Hard agree! The I/O + Kotlinconf was unlucky, but at least I got to see some old friends again and make new ones.

10 months ago 5 0 0 0
Build more accessible UIs with Jetpack Compose
Build more accessible UIs with Jetpack Compose YouTube video by Android Developers

Our #IO25 talk on how to build more accessible apps with Compose is out! πŸ₯³ 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...

10 months ago 23 8 1 0
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Tomorrow we will show how to measure and improve app performance at #GoogleIO. Make sure to join in.

10 months ago 12 2 0 0
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Come talk with us at the Dev Productivity booth after the Developer Keynote at #GoogleIO

10 months ago 9 0 1 0

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

10 months ago 1 0 0 0