name: aosp-getting-started description: | AOSP Part I — Getting Started. Use when reasoning about the AOSP source tree at a high level, the repo/manifest workflow, the Soong (Android.bp) and Bazel/Kleaf build systems, lunch targets, the m build entry point, or aconfig feature flags (build-time vs. runtime, release configs, ramp/cleanup workflows). Chapters 1–3 (Introduction, Source Code & Build System, Feature Flags). metadata: author: 'utzcoz' version: '2026.06.24' last-updated: '2026-06-24'
AOSP Part I — Getting Started
Foundational chapters that orient a reader to AOSP, its source tree, how to sync and build it, and how feature gating works across the platform.
Chapters in this Part
01-introduction.md— what AOSP is vs. Android, the layer-cake architecture, source-tree tour, who maintains what, version history02-source-and-build.md— repo/manifest, Soong (Android.bp), Bazel-from-Soong, Kleaf for the kernel, lunch targets, themworkflow03-feature-flags.md— aconfig declarations, generated Java/C++ accessors, build-time vs. runtime flags, release configs, ramp-and-cleanup workflow
When to load which chapter
- Question is "what is AOSP / where do I start" →
01-introduction.md - Question mentions Soong, Bazel, Kleaf, repo, manifest, lunch, or m →
02-source-and-build.md - Question mentions feature flags, aconfig, release configs, or
read_onlyflags →03-feature-flags.md