Xref Aosp [cracked] | Free

(community / self-hosted) – Some public instances (e.g., http://xref.droidsolutions.com/) offer AOSP mirrors. – Ideal if you need advanced indexing and cross-reference links.

: Quickly jump to where a specific function, class, or variable is defined across different repositories. xref aosp free

LXR struggles with Java/Kotlin cross-referencing. It shines for native code but fails for framework-level analysis. (community / self-hosted) – Some public instances (e

: Supports powerful search syntax to filter by file type, directory, or specific code patterns. xref aosp free

: One of the oldest cross-reference sites. While iconic, it currently only supports versions up to Android 9.0 (Pie) AOSPXRef (aospxref.com)