LocationIntentService.java

public class LocationIntentService extends IntentService {

    private GoogleApiClient mGoogleApiClient;

    public LocationIntentService() {
        super(LocationIntentService.class.getName());
    }

    @Override
    protected void onHandleIntent(Intent intent) {
        initGoogleApiClient();
    }

    private void initGoogleApiClient() {
      
        final LocationListener locationListener = new LocationListener() {
            @Override
            public void onLocationChanged(Location location) {
                // location received successfully
            }
        };

        final GoogleApiClient.ConnectionCallbacks connectionCallbacks = new GoogleApiClient.ConnectionCallbacks() {
            @Override
            public void onConnected(@Nullable Bundle bundle) {
                LocationRequest mLocationRequest = LocationRequest.create();
                mLocationRequest.setPriority(LocationRequest.PRIORITY_BALANCED_POWER_ACCURACY); // You may set different values depending on your use case
                //mLocationRequest.setInterval(10000); // If you want to get location updates (1000 = 1 sec interval)
                LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient, mLocationRequest, locationListener);
                // Location mLastLocation = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);
                // you have location here as well, but I would suggest you wait for the location listener's result
            }

            @Override
            public void onConnectionSuspended(int i) {
                // location fetch failed
            }
        };

        GoogleApiClient.OnConnectionFailedListener onConnectionFailedListener = new GoogleApiClient.OnConnectionFailedListener() {
            @Override
            public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
                // location fetch failed
            }
        };

        mGoogleApiClient = new GoogleApiClient.Builder(getApplicationContext())
                .addConnectionCallbacks(connectionCallbacks)
                .addOnConnectionFailedListener(onConnectionFailedListener)
                .addApi(LocationServices.API)
                .build();

        if (!mGoogleApiClient.isConnected()) {
            mGoogleApiClient.connect();
        }
    }
}