Xref Aosp ((top)) May 2026
The "Paper" on AOSP Cross-Referencing
While there isn't a single "academic paper" that covers every aspect of AOSP cross-referencing, the ecosystem relies on several official and community-driven tools to navigate its massive codebase.
Official Tool: Android Code Search (cs.android.com)
Google provides the Android Code Search tool as the primary way to navigate the AOSP codebase. It allows for: xref aosp
Usage
Step 5:
Search for where the constant is overridden in vendor code. The "Paper" on AOSP Cross-Referencing While there isn't
- Better Kotlin support: including references for suspend functions and companion objects.
- Soong (Android build system) navigation: Clicking on a
cc_binaryname in anAndroid.bpfile now jumps to its definition. - Cross-version diffs: You can now compare a file between
android13-mainlineandandroid14-mainlinedirectly in the UI.
- HAL implementation details.
binderkernel drivers.libutils(RefBase, String8).
: You can click on any variable, function, or class to jump directly to its definition or see every place it is used across the entire Android repository. Full-Base Navigation HAL implementation details