Desktop screen island & companion for Windows & Linux watching over AI coding agents with Google Gemini API.
Ch 40 · Parcel: resumable file transfer, chunked bytes, scoped recovery, verified retrieval · Casebook app for The Staff Android Engineer (thestaffandroidengineer.com)
Ch 8 · Adaptive layouts, theming, input and accessibility in Compose · Companion code for The Staff Android Engineer (thestaffandroidengineer.com)
Ch 22 · Memory that should have gone away: heap dumps, GC roots, leaks, allocation pressure · Companion code for The Staff Android Engineer (thestaffandroidengineer.com)
Ch 39 · Margin: collaborative editing, preserved drafts, three-way conflicts, explicit rebase · Casebook app for The Staff Android Engineer (thestaffandroidengineer.com)
Ch 19 · Tests that earn their place in delivery: contracts, dependency rules, CI · Companion code for The Staff Android Engineer (thestaffandroidengineer.com)
Ch 41 · Pulse: designing for backend scale, admission, coalescing, versioned cache, leased workers · Casebook app for The Staff Android Engineer (thestaffandroidengineer.com)
Ch 44 · Clarify: AI-assisted applications, local retrieval, simulated streaming, bound consent · Casebook app for The Staff Android Engineer (thestaffandroidengineer.com)
Companion code index for The Staff Android Engineer: chapter-to-repository map and first-edition source download. Book and free sample chapters at thestaffandroidengineer.com
Ch 0–5 JVM labs · Kotlin and Android foundations, ownership, types, coroutines, Flow · Companion code for The Staff Android Engineer (thestaffandroidengineer.com)
Ch 36 · Fieldnotes: social feeds, stable ranked snapshots, live visibility · Casebook app for The Staff Android Engineer (thestaffandroidengineer.com)
Ch 7 · State, effects and lifetimes in Compose · Companion code for The Staff Android Engineer (thestaffandroidengineer.com)
Ch 31 · Debugging and design conversations: internals, unfamiliar code, trace-based diagnosis · Companion code for The Staff Android Engineer (thestaffandroidengineer.com)
Ch 21 · Why the list misses its frame deadlines: rendering pipeline and frame timelines · Companion code for The Staff Android Engineer (thestaffandroidengineer.com)
Mobile System Design Casebook index (Ch 33–44) for The Staff Android Engineer: twelve runnable app companions. Book at thestaffandroidengineer.com
Ch 43 · Frame: camera and media processing with CameraX ownership, private capture, job generations · Casebook app for The Staff Android Engineer (thestaffandroidengineer.com)
Ch 15 · The server accepted it, but the client never knew: idempotency, retries, reconciliation · Companion code for The Staff Android Engineer (thestaffandroidengineer.com)
Ch 5 · What the framework cannot hide · processes, Looper, threads, Binder · Companion code for The Staff Android Engineer (thestaffandroidengineer.com)
Ch 38 · Huddle: realtime audio and video, simulated call control, late connection callbacks · Casebook app for The Staff Android Engineer (thestaffandroidengineer.com)
Companion code for The PostgreSQL Handbook: From First Query to Production. The Lumina Helpdesk schema and deterministic seeds, every SQL listing from the book as a runnable file, all 69 exercise solutions, the C# projects behind Chapters 21-23, and the harness that verified every listing against a live PostgreSQL 18.4. MIT-licensed.
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