// Example A
Criteria criteria = new Criteria();
criteria.setAccuracy(Criteria.ACCURACY_FINE);
criteria.setAltitudeRequired(false);
criteria.setBearingRequired(false);
criteria.setCostAllowed(true);
criteria.setPowerRequirement(Criteria.NO_REQUIREMENT);

String provider = locationManager.getBestProvider(criteria, true);

LocationManager locationManager = (LocationManager) getContext()
        .getSystemService(Context.LOCATION_SERVICE);
locationManager.requestLocationUpdates(provider, 5 * 1000, 2f, locationListener);

// Example B
// ...
// Same code as Example A...
// ...
locationManager.requestLocationUpdates(provider, 20 * 1000, 2f, locationListener);