Submission + - Google provides solution Android Phones.Store Pass (blogspot.com)
An anonymous reader writes: If you want to enable encryption on your device based on Android 3.0 aka HoneycombFor first release, we only support encrypt in place, which requires the framework to be shutdown, /data unmounted, and then every sector of the device encrypted, after which the device reboots to go through the process described above. Here are the details: