Lean App

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" summary

Android app grows from a two‑person project to ~30 engineers while keeping a single APK under the 65k method limit and staying around 16–17 MB (was 13 MB in 2012). A method-count dashboard and strict dependency whitelist drive removals (removed Guava) and keep the app single-dex. A handwritten then generated streaming JSON parser cuts Explore load from ~20 s to <1 s. Image cache is ~10 files, CI builds every dev, dogfood every 4 hours, weekly public releases, sub‑10 s incremental builds, 1% sampling for performance metrics.

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" chapters (7)

1. 0:00Introduction and team background
2. 10:24Challenges in Android development
3. 16:52Lean app architecture principles
4. 22:13Fail fast philosophy for quality
5. 27:13Maintaining codebase health
6. 30:27Key takeaways and closing remarks
7. 31:11Q&A session