Mail from FB with updates on the Android SDK, deprecating offline mode:
"We recently made some important updates to the Facebook SDK for Android, and strongly encourage you to update to version 1.2.1 of the SDK in your app (VIN Viper). Specifically, this update includes:
A bugfix for a null pointer exception when using the SDK with older versions of the Facebook for Android App Full support for the offline_access deprecation Reduced debug logging by the SDK to make apps more secure by default for users who may have malware installed on their devices You can download the latest SDK here: https://github.com/facebook/facebook-android-sdk/. Offline access will no longer be available as of May 1, 2012, and you can make sure your Android app is prepared by following our guide here: https://developers.facebook.com/roadmap/offline-access-removal/"