What is this?
This is a free online book and knowledge wiki about Android system internals, covering App, Framework, Native, and Kernel layers, benchmarked against Android 17 / API 37 with AOSP android-17.0.0r1 source references.
This is a free online book and knowledge wiki about Android system internals, covering App, Framework, Native, and Kernel layers, benchmarked against Android 17 / API 37 with AOSP android-17.0.0r1 source references.Is this a piece of software or a reading resource?It is a text-based wiki/book, not an app. You read it on a dedicated website (with a Catppuccin theme and light/dark variants) or download a weekly-built EPUB from GitHub Releases.
It is a text-based wiki/book, not an app. You read it on a dedicated website (with a Catppuccin theme and light/dark variants) or download a weekly-built EPUB from GitHub Releases.How do I start reading it?Browse the full table of contents in src/SUMMARY.md, or read the chapters directly on the wiki.androidperformance.com site; a weekly EPUB build is also published on GitHub Releases.
Browse the full table of contents in src/SUMMARY.md, or read the chapters directly on the wiki.androidperformance.com site; a weekly EPUB build is also published on GitHub Releases.Is the book finished and is there an English version?The wiki is currently in alpha and only available in Chinese; a full English version is planned only after the v1.0 release.
The wiki is currently in alpha and only available in Chinese; a full English version is planned only after the v1.0 release.How is the content organized?The book has five parts and 26 chapters, moving from Android system mechanisms (processes, rendering, input, memory, scheduling, I/O) to performance problems, profiling tools/methodology, platform/OEM optimization, and finally app-level optimization practices, plus six appendices.
The book has five parts and 26 chapters, moving from Android system mechanisms (processes, rendering, input, memory, scheduling, I/O) to performance problems, profiling tools/methodology, platform/OEM optimization, and finally app-level optimization practices, plus six appendices.Is this book part of a bigger project?Yes, it is one of seven linked projects in the 'Android Performance Ecosystem', alongside instrumentation (TraceFix), trace collection (Perfetto Tools), analysis (SmartPerfetto), agent skills (Perfetto Skills), a companion blog, and reproducible case files (SystraceForBlog).
Yes, it is one of seven linked projects in the 'Android Performance Ecosystem', alongside instrumentation (TraceFix), trace collection (Perfetto Tools), analysis (SmartPerfetto), agent skills (Perfetto Skills), a companion blog, and reproducible case files (SystraceForBlog).Where should a reader start?Start from src/SUMMARY.md to see the full chapter list, or read Chapter 1 ('System Architecture Overview'), which other chapters reference when diagnosing slow startup, ANRs, or native crashes.
Start from src/SUMMARY.md to see the full chapter list, or read Chapter 1 ('System Architecture Overview'), which other chapters reference when diagnosing slow startup, ANRs, or native crashes.Who writes and maintains this content?The author, Gracker (高建武), a long-time Android system/performance engineer at a phone manufacturer, uses AI assistance for drafting structure and initial text, but all technical judgment and final edits are done by him manually.
The author, Gracker (高建武), a long-time Android system/performance engineer at a phone manufacturer, uses AI assistance for drafting structure and initial text, but all technical judgment and final edits are done by him manually.What are similar projects?HowToLiveBetter, the-way-to-go_ZH_CN, cpu-performance-engineering, android-training-course-in-chinese, scalene, the-craft-of-selfteaching, fq-book, blog
HowToLiveBetter, the-way-to-go_ZH_CN, cpu-performance-engineering, android-training-course-in-chinese, scalene, the-craft-of-selfteaching, fq-book, blogWhich topics is it in?technical-writing, profiling, cpu, memory-management, wiki, kernel, chinese-language, ebook, architecture, debugging, knowledge-base, observability
technical-writing, profiling, cpu, memory-management, wiki, kernel, chinese-language, ebook, architecture, debugging, knowledge-base, observability