Did you look at the documentation, by any chance? From http://developer.android.com/reference/android/hardware/GeomagneticField.html :
This class is used to estimated estimate magnetic field at a given point on Earth, and in particular, to compute the magnetic declination from true north. If it's going to do declination, it kinda needs your location. String -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
