+ String locmsg = "<UNSET>";
+ for (int i = 0; i < loc_names.length; i++) {
+ Double dist = haversine(lat, lon,
+ Double.parseDouble(loc_lats[i]),
+ Double.parseDouble(loc_lons[i]));
+ Log.v(TAG, "Dist from " + loc_names[i] +
+ " is " + dist);
+ //if ((loc_dists[i] == "0") ||
+ // (dist < Double.parseDouble(loc_dists[i]))) {
+ // locmsg = loc_names[i];
+ // break;
+ //}
+ }
+ return locmsg;
+ }
+
+ private Double toRad(Double deg) {
+ return deg * 3.14159265 / 180;
+ }
+
+ private Double haversine(Double lat1, Double lon1,
+ Double lat2, Double lon2) {
+ Double dlat = toRad(lat2 - lat1);
+ Double dlon = toRad(lon2 - lon1);
+ Double a = Math.sin(dlat / 2) * Math.sin(dlat / 2) +
+ Math.sin(dlon / 2) * Math.sin(dlon / 2) *
+ Math.cos(toRad(lat1)) * Math.cos(toRad(lat2));
+ Double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
+ return 6371 * c;