Android examples for android.location:Location
Get Distance between two point on earth
public class Main { private static final double EARTH_RADIUS = 6378137; private static double rad(double d) { return d * Math.PI / 180.0; } public static double GetDistance(double lng1, double lat1, double lng2, double lat2) { double radLat1 = rad(lat1); double radLat2 = rad(lat2); double a = radLat1 - radLat2; double b = rad(lng1) - rad(lng2); double s = 2 * Math.asin( Math.sqrt(Math.pow(Math.sin(a / 2), 2) + Math.cos(radLat1) * Math.cos(radLat2) * Math.pow(Math.sin(b / 2), 2))); s = s * EARTH_RADIUS;//w w w. j a v a 2 s .c o m s = Math.round(s * 10000) / 10000; return s; } }