Name: The Android Circuit: Second Stop, King's Cross (Google London)
Start: 2025-11-18T17:30:00Z
End: 2025-11-18T21:00:00Z
Location: Google London - Pancras Square

DISCLAIMER:

Please note that registration is needed to enter the event - We will not be able to grant access on the day without a ticket. Please show proof of ticket confirmation upon arrival.
Please ensure you register with your full legal name - We are unable to accept registrations without surnames or name abbreviations.
Due to Google's office security, we are unable to give +1 access.

The Android Circuit, a brand new event series for London's Android developers! Building on the Android Workshop Wednesdays series by Tom Colvin, GDG London have launched the next chapter of community-driven events.&nbsp;

The Android Circuit journeys through London, with each "stop" hosted in the heart of the city's vibrant tech ecosystem. Our mission remains the same: to connect Android developers of all levels.&nbsp;

We're delighted to announce that the next station on The Android Circuit will be King's Cross! Mark your calendars for our second meetup on November 18th, starting at 6:00 PM, which will be hosted at the Google UK office.&nbsp;

Agenda

5:30 PM: Registration and arrival

6:00 PM: Welcome remarks

6:15 PM: Make your composition pause by Jossi Wolf

Composing content for the first time has always been a synchronous, uninterruptible process. The performance of this model is not ideal for computationally expensive compositions, affecting lazy layouts and heavy screen transitions the most. In the next release of Compose runtime we are introducing pausable composition that addresses this problem. It enables finer control over initial composition, allowing for much more efficient scheduling. This talk provides a deep technical overview of the feature, discussing implementation details and capabilities it unlocks. You will learn why pausable composition is the hottest new feature in Jetpack Compose and how your apps can benefit from it.

7:00 PM: How we boosted ExoPlayer performance by 30% by Alexey Bykov

Video has become an integral part of our lives, and we are witnessing a significant rise in the integration of video content within Android apps. Reddit is not an exception: we have more than 20 video surfaces in our app.

In this talk, I'll share our journey of improving video rendering by 30% and approaches that go beyond what is documented.

We'll discuss:
- Video metrics and what's important there
- Lifecycle and challenges
- Single instance of player vs PlayerPool
- SurfaceView vs TextureView performance
- ViewPool and AndroidView pitfalls with Jetpack Compose
- Potential problems with caching

Everything that will be mentioned is validated through real production scenarios and confirmed in efficiency by A/B tests on millions of Daily Active Users in the Reddit app.

7:45 PM: Networking

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Speakers

Jossi Wolf - Google (Software Engineer, Jetpack Compose)

Jossi is a Software Engineer working on Jetpack Compose, with a focus on Foundation APIs and Performance.

Alexey Bykov - Reddit (Staff Android Engineer & Android GDE)

Alexey is a Staff Software Engineer and the technical lead of the media team at Reddit.
He especially enjoys working on performance improvements and developer experience. Android GDE since 2022.

Hosts

Goran Minov - Okta Inc. (Regional Technical Strategist)

Goran currently serves as a Senior Technical Account Manager at Okta. As a key member of the customer success team, he's dedicated to ensuring customers fully maximise the value of their Okta investment, focusing on automation and efficiency within their identity and access management solutions. With a background that spans various technical and leadership roles, Goran brings deep expertise in…

Tom Colvin - Apptaura (Google Developer Expert • Chief Technology Officer)

Tom Colvin is CTO of Apptaura, the app development specialists; and founder of Conseal Security, the mobile app security experts. He has been a developer for over 20 years and worked with Android since Cupcake. He is a Google Developer Expert in Android.

Complete your event RSVP here: https://gdg.community.dev/events/details/google-gdg-london-presents-the-android-circuit-second-stop-kings-cross-google-london/.

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The Android Circuit: Second Stop, King's Cross (Google London)

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