Baidu Geek Talk

Jul 20, 2022 · Mobile Development

How Baidu’s Dex Line‑Number Optimization Shrinks Android APKs by 8%

This article examines Android Dex DebugInfo line‑number optimization, detailing the structure of DebugInfo, existing solutions, Baidu’s mapping‑based approach, R8 and Alipay techniques, and the resulting APK size reduction, while also describing the end‑to‑end pipeline for line‑number retracing in production.