Many devices have the ability for us to obtain the location of the user in a very precise manner. Android provides a few means to access the location, including using the network or using Global Positioning System (GPS).
If we are designing an app that requires the user's location, such as finding things nearby, we can use
LocationManager to get the user's current location:
[assembly: UsesPermission( Manifest.Permission.AccessCoarseLocation)]
[assembly: UsesPermission( Manifest.Permission.AccessFineLocation)] ...