There is currently no visual cue when data is loading for maps

This may be a good basis

http://code.google.com/p/mytracks/source/browse/MyTracks/src/com/google/android/apps/mytracks/NavControls.java

Submitted by Cardiff Bus Android App on 31 August 2011 at 09:08

Fixed in java rev 680

Opted to add a titlebar to the window, and used the built-in indeterminate loading indicator there