As shown above i have a Fragment Activity which renders two fragements. On the
MapView in Fragment ( Android 4.0 or higher) . have you look into this?.. and also this may help you ..https://github.com/commonsguy/cw-android/tree/master/Maps/NooYawkFragments
Take a look at the new Google Maps Android API v2 that was just released. It contains support for fragments (including the support library) and much more.