XtraData Downloader help to download the XTRA data that improve performance of GPS and then make GPS will be able to fix location faster. You can download XTRA data when you want to, also, you are able to schedule to download periodically.
Download periodically XtraData(A-GPS Aid data),
it would intensify GPS performance.
provide compass & simple location information.
change method to advertise
support keeping screen on when see compass(optional)
add compass and location information
support clear xtra data cache
check GPS enabled.
Small bug fixed.
chage little bit of UI