What’s so great about R8?
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92 дня – 6 09556:07Опубликовано 18 февраля 2026, 19:08
Join hosts Tor and Romain as they sit down with Søren Gjesse, Chris Craik, and Shai Barack.
This week, the team dives into R8, the whole-program optimizer that handles the "last mile" of your code before it runs on a device. Learn why implementing R8 is effectively like giving your users a "free hardware upgrade" by making their current devices perform like models that are years newer.
Chapters:
0:00 - Intro
0:23 - What is R8?
1:16 - R8 vs D8
1:40 - Tree Shaking & Dead Code
4:14 - Handling Reflection
10:10 - Performance Co-Optimization
13:03 - Kotlin-Specific Gains
16:22 - Real-World Impact
41:50 - Jetpack Compose & R8
50:51 - Keep annotations
1:03:49 - The "Free Hardware Upgrade"
Resources:
Enable app optimization → goo.gle/R8-Optimizer
Android Performance Spotlight Week blog post → goo.gle/4apX36u
Watch more Android Developers Backstage → goo.gle/adb-podcast
Subscribe to Android Developers → goo.gle/AndroidDevs
#AndroidDevelopers
This week, the team dives into R8, the whole-program optimizer that handles the "last mile" of your code before it runs on a device. Learn why implementing R8 is effectively like giving your users a "free hardware upgrade" by making their current devices perform like models that are years newer.
Chapters:
0:00 - Intro
0:23 - What is R8?
1:16 - R8 vs D8
1:40 - Tree Shaking & Dead Code
4:14 - Handling Reflection
10:10 - Performance Co-Optimization
13:03 - Kotlin-Specific Gains
16:22 - Real-World Impact
41:50 - Jetpack Compose & R8
50:51 - Keep annotations
1:03:49 - The "Free Hardware Upgrade"
Resources:
Enable app optimization → goo.gle/R8-Optimizer
Android Performance Spotlight Week blog post → goo.gle/4apX36u
Watch more Android Developers Backstage → goo.gle/adb-podcast
Subscribe to Android Developers → goo.gle/AndroidDevs
#AndroidDevelopers
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