Running Codex for two days to reimplement an outdated Android book's projects and retake screenshots

burkov · x · 2026-11-10

The author is modernizing an old hands-on Android programming book whose screenshots are outdated. He tasked Codex with reading the book, reimplementing the Android project step by step, and retaking all screenshots in a modern Android Studio. The agent has been running for two days with promising results — the recreated project's navigation graph and fragment structure are already taking shape.

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