Xref Aosp

Shows which external functions or objects a specific function is calling.

cd /path/to/aosp ctags --recurse --fields=+lnS --languages=C,C++,Java --exclude=out xref aosp

For example, to find all native (C++) callers of android::IBinder::transact , filter the path to *.cpp and *.h . Shows which external functions or objects a specific

Users can switch between different open-source branches, such as android-main or specific release tags, though cross-reference data may vary by branch. Java --exclude=out For example