I think you are looking at it the wrong way... Why not simply check distance ( radius) from a specific point ( the origin of your cicle)? Now your only checking one point instead of a geometricly...

Why not simply use the LocationListener's callback when the terminal position has moved? Just spin off another thread to take this new location, and drill down through your landmarks, and decide...

Hi Rory

Have you tried adjusting the settings on the phone itself, to control the manner in which position is determined? As a developer you have some choice on whether to pay or not, but its...