Annotation Optimization

Baidu Geek Talk

Dec 19, 2022 · Mobile Development

Dex Annotation Optimization for Baidu APP Android Package

In the second part of Baidu’s APK‑size‑optimization series, the team uses the Titan‑Dex framework to strip unnecessary build‑type and system Dex annotations—such as generic signatures and class‑relationship metadata—while automatically generating a whitelist via custom Lint detectors, ultimately shrinking the final Dex by about 1.2 MB.