Found the cause: The android_id is not available unless you have logged onto the android market at least once from a device. Once you've done that, the ID is populated and returned by the device.
Using the android_id does raise a couple of privacy questions though, but that's food for another thread. Hope this helps. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
