Retrieving Java package name of AIDL consumer

Question

I am exposing some API through AIDL mechanism. Clients need to bind to the AIDL and call methods synchronously. Is there a way I can retrieve the client's Java package name?

For example, if I expose a method boolean isFooAvailable() as AIDL API, from within the implementation of isFooAvalable, can I determine the Java package name of the app that binds to the AIDL service?

Answer 1

Yes, you can find out the package name from within the implementation as follows :

IAidl.Stub mBinder = new IAidl.Stub() {

    @Override
    public boolean isFooAvailable() throws RemoteException {

       String pkgName = "";
        int pid = Binder.getCallingPid();

        ActivityManager am = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
        List<ActivityManager.RunningAppProcessInfo> processes = am.getRunningAppProcesses();

        for (ActivityManager.RunningAppProcessInfo proc : processes) {

            if (proc.pid == pid) {

                pkgName = proc.processName;
            }
        }
       // package name of calling application package
       Log.e("Package Name", pkgName);
       return false;
    }
}

Finding package name through PID is the best approach compared to UID.