location services

gistfile1.txt

-> Android manifest 

            <service
            android:name=".service.LocationService"
            android:enabled="true"
            android:exported="true" />
            
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-> public class locationSevices

public class LocationService extends Service implements LocationListener {
    private String requesterId;
    private LocationManager lm;

    public LocationService() {
    }

    @Override
    public IBinder onBind(Intent intent) {
        // TODO: Return the communication channel to the service.
        throw new UnsupportedOperationException("Not yet implemented");
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        if (intent != null) {
            requesterId = intent.getStringExtra("EXTRA_REQUESTER_ID");
            addLocationListener();
        }
        
        return START_STICKY;
    }

    @Override
    public void onDestroy() {
        ToastUtil.show(this, "berhenti membagikan");
        if (lm != null) {
            lm.removeUpdates(this);
            lm = null;
        }
        super.onDestroy();
    }

    @SuppressLint("CheckResult")
    private void addLocationListener() {
        lm = (LocationManager) getSystemService(LOCATION_SERVICE);
        assert lm != null;
        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION)
                != PackageManager.PERMISSION_GRANTED
                && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION)
                != PackageManager.PERMISSION_GRANTED) {
            return;
        }
        Location lastKnown = lm.getLastKnownLocation(LocationManager.GPS_PROVIDER) != null
                ? lm.getLastKnownLocation(LocationManager.GPS_PROVIDER) : lm.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);

        if (lastKnown != null) {
            postUpdateLocation(lastKnown.getLatitude(), lastKnown.getLongitude());
        }

        lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 2000, 20, this);
    }

    @SuppressLint("CheckResult")
    private void postUpdateLocation(double lat, double lng) {
       //post update location in here
    }

    @Override
    public void onLocationChanged(Location location) {
        postUpdateLocation(location.getLatitude(), location.getLongitude());
    }

    @Override
    public void onStatusChanged(String provider, int status, Bundle extras) {

    }

    @Override
    public void onProviderEnabled(String provider) {

    }

    @Override
    public void onProviderDisabled(String provider) {

    }
}
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How to activate : 


private Intent locationService = new Intent(App.getContext(), LocationService.class);

 private void startLocationService() {
        locationService.putExtra("EXTRA_REQUESTER_ID", requesterId);
        startService(locationService);
 }
 
 private void stopLocationService() {
        stopService(locationService);
 }