Aosp — Xref

Type ActivityThread in the symbol search → click → see the exact file and line.

The score would be derived from existing data points already collected by UsageStatsService :

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

. He was deep in the C++ layers now. Then, he saw it—a small change in the Apache 2.0 licensed

He didn't have the entire 200GB AOSP source tree indexed on his local machine; his laptop would have melted. Instead, he did what every Android dev does when they’re lost. He opened a browser tab and typed it in like a prayer: androidxref.com Navigating the Labyrinth Type ActivityThread in the symbol search → click

The keyword refers to the cross-reference (XREF) tools used by developers to search, navigate, and analyze the massive Android Open Source Project (AOSP) source code.

Once indexed, launch the viewer:

OpenGrok needs a configuration.xml . Generate it via: