Xref Aosp [upd] Jun 2026

: Clicking on a function or variable name instantly takes you to its definition or shows all instances where it is called. Branch Switching : Easily toggle between different versions (e.g., android-14.0.0_r1 ) to see how specific logic has evolved. Search Filters : Use advanced queries (like file:policy ) to narrow down results within millions of lines of code. Local Deployment

Historically, developers relied on third-party tools like AndroidXRef (based on OpenGrok ) to browse code online. However, Google eventually launched the official Android Code Search , which integrates advanced cross-referencing (Kythe-based) directly into a web interface. Core Features of AOSP XRef Tools xref aosp