如果没有，如何安卓确定用户是否属于某一群体？

If not, how does android determine whether a user belongs to a certain group?

推荐答案

这线程讨论如何做到这一点：http://groups.google.com/group/android-ndk/browse_thread/thread/adddb27c1a5438e9

This thread discusses how that is done: http://groups.google.com/group/android-ndk/browse_thread/thread/adddb27c1a5438e9

它包含一个破碎的链接一个Git仓库，虽然，你可以找到的名字https://android.googlesource.com/platform/system/core.git/+/master/include/private/android_filesystem_config.h.

It contains a broken link to a git repository though, you can find a list of name and IDs in https://android.googlesource.com/platform/system/core.git/+/master/include/private/android_filesystem_config.h.