Using gps get the distance a person has walked

Question

guys i am able to get the current location longitude and Latitude using the below code. I have two buttons Start walking and Stop Walking.

Onclick of

Answer 1

You can calculate distance between two geo locations with distanceTo() function
Location destination =new Location("gps");
destination.setLatitude(lat);
destination.setLongitude(lng);
float dist=user_location.distanceTo(destination);