ByteWeaver: Bytecode Instrumentation for the Greater Good

on YouTube ↗49m

" summary

ByteWeaver is a small, configurable bytecode-patching tool used during build-time for Android development. It is lightweight yet adaptable for different tasks and is used to automatically collect runtime statistics and to detect bugs in places where source-code changes don’t help. The talk includes moderate technical depth on working with bytecode, useful for Android developers and advanced testers.

AI-written summary · about

" chapters (12)

1. 0:00Introduction
2. 2:29ByteWeaver history
3. 9:02What is bytecode
4. 13:39When to edit bytecode
5. 21:08How ByteWeaver works
6. 28:31Tool stories
7. 36:28Impact on builds
8. 37:30Summary and possibilities
9. 40:21Instrumentation risks
10. 41:04Future plans
11. 42:28Open sourcing
12. 43:32Q&A

" related talks

• 26mBuild-Time Auto-Instrumentation in AndroidJason Plumb · Observability Day North America 2024
• 34m(Android) Transformers - Bytecode in Disguise!Doug Stevenson · droidcon Italy 2019
• 40mIntroduction to Bytecode Instrumentation with AGP 8Marcel Schnelle · DroidKaigi 2023
• 34mThe Bytecode Mumbo JumboRaimon Ràfols · 360|AnDev 2017
• 42m(Android) Transformers — Bytecode in Disguise!Doug Stevenson · Android Summit 2019
• 40mDynamic Binary Instrumentation Techniques to Address Native Code ObfuscationRomain Thomas · Black Hat Asia 2020
• 38mThe bytecode gobbledygookRaimon Ràfols · Android Makers 2018
• 43m(Android) Transformers - bytecode in disguise!Doug Stevenson · Android Makers 2019