GPS Implemention

LocationListener and LocatioManager play important role to find our exact longitude and latitude in android application. LocationListener will get signal from Locationmanager when location has changed .

Src:
          Location myloc;
          LocationManager locMan;

          Set function parameter:
                 Context ctx ; // Get context from main activity.
                 locMan = (LocationManager) ctx .getSystemService(Context.LOCATION_SERVICE);
                 locMan.requestLocationUpdates(LocationManager.GPS_PROVIDER, 15000, 0, location listener obj);
               myloc= locMan.getLastKnownLocation(LocationManager.GPS_PROVIDER);

        onLocationChanged( Location loc) function get called when location has changed.