Timer timer = new Timer();
    timer.scheduleAtFixedRate(new TimerTask() {
        Handler mHandler = new Handler();
        @Override
        public void run() {  
            try{
                mHandler.post(new Runnable(){
                    @Override
                    public void run() {
                        LocationManager lm = (LocationManager)getSystemService(LOCATION_SERVICE);
                        Criteria criteria = new Criteria();
                        criteria.setAccuracy(Criteria.ACCURACY_FINE);
                        criteria.setAltitudeRequired(false);
                        criteria.setBearingRequired(false);
                        criteria.setCostAllowed(true);
                        criteria.setPowerRequirement(Criteria.POWER_LOW);

                        String provider =lm.getBestProvider(criteria, false);
                        //Location loc = lm.getLastKnownLocation(LocationManager.GPS_PROVIDER);

                        Location loc = lm.getLastKnownLocation(provider);
                        String Text = "My current location is: " + "Latitud = " + loc.getLatitude() + " Longitud = " + loc.getLongitude(); 
                        Toast.makeText( getApplicationContext(), Text, Toast.LENGTH_SHORT).show();                 
                        Log.v("LOG",Text);
                }
                );