Xref: Aosp

refers to the cross-reference capabilities for the Android Open Source Project (AOSP) , primarily accessed through Android Code Search

Key Repositories to Know

/ (Root): The entire AOSP tree as defined by the manifest. This is where you start for system-level searches.
/platform/frameworks/base: The heart of Android Framework (ActivityManager, PackageManager, View system).
/platform/system/core: Low-level utilities, init, liblog, property service.
/platform/packages/apps/Settings: The Settings app.
/kernel/common: The common Android kernel tree.

“Xref,” her manager had said, tapping the issue tracker with a pen. “Cross-reference. It means something’s resolving to the wrong symbol. Track the symbol. Figure where it comes from.” xref aosp

Step 3: Find the definition and then find all references to this exception being thrown. refers to the cross-reference capabilities for the Android

Architecture Overview: For a deeper dive into how the components being cross-referenced actually fit together, see the Architecture Overview. / (Root): The entire AOSP tree as defined by the manifest

5.3 Cross-Language Navigation (JNI)

One of the most complex aspects of AOSP xref is navigating the Java Native Interface (JNI). A developer may trace a Java method in the framework that has a native keyword. A robust xref strategy must bridge the gap between the Java declaration and the C++ implementation.

Advanced Xref AOSP Techniques

Now that you know the basics, let's move to advanced workflows that separate casual browsers from power users.