Xref Aosp __link__ May 2026

Android Open Source Project (AOSP)

Report: AOSP Code Search with Cross-References (XREF) The provides a specialized Code Search tool that incorporates Cross-References (XREF) to help developers navigate its massive codebase. This tool is essential for understanding the complex relationships between different components of the Android operating system. Overview of XREF in AOSP

For organizations or developers working on custom ROMs or private modifications, self-hosting an XRef engine is common: xref aosp

Version Comparison

: Switch between different Android branches (e.g., master vs. specific releases like Android 14) to see how implementation has evolved over time. Community and Self-Hosted Alternatives Android Open Source Project (AOSP) Report: AOSP Code

AOSP's build system ( Android.bp ) is declarative, not procedural. xref helps you understand module dependencies: main : The bleeding edge, for the next major Android version

  1. Copy the permission string, e.g., "setenforce".
  2. Use text search (regex mode) across the system/sepolicy repository.
  3. Find the .te file containing the allow rule.
  4. Use cross-reference on the type (e.g., kernel_t) to see all rules affecting it.

Underlying Technology: OpenGrok

Most "xref" sites for AOSP (including the community one) are built on OpenGrok , a powerful source code search and cross-reference engine. If you are writing a technical paper and need to cite the methodology of how AOSP is indexed, you should refer to the OpenGrok project. Key Resources for Research