[androidbrasil-dev] problemas com sinal de internet (wifi-3g)

public class LocationService extends Service implements LocationListener{

    private LocationManager locationManager;
    private Timer trackTimer;
    private Context context;

    @Nullable
    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    public LocationService(Context context){
        this.context = context;
        Log.i(Constants.TAG, "Iniciar GPS");

        locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);

        if (ContextCompat.checkSelfPermission(context, android.Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED
                || ContextCompat.checkSelfPermission(context, android.Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED) {

            if (Constants.CHECK_GPS) {
                locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, Constants.TRACK_TIME, Constants.LOCATION_ACCURACY, this);
                Controller.getInstance().setLocation(locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER));
            } else {
                locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, Constants.TRACK_TIME, Constants.LOCATION_ACCURACY, this);
                Controller.getInstance().setLocation(locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER));
            }
        }


        trackTimer = new Timer();
        trackTimer.schedule(new RotasAparelhoTask(this), 0, Constants.TRACK_TIME);
        trackTimer.schedule(new RegistroColetorTask(this), 0, Constants.TEMPO_REGISTRO_COLETOR);
        trackTimer.schedule(new InternetAparelhoTask(this), 0, Constants.TEMPO_REGISTRO_COLETOR);

    }

    @Override
    public void onLocationChanged(Location location) {
        Log.i(Constants.TAG, "lat: " + location.getLatitude() + " lng: " + location.getLongitude());
        Controller.getInstance().setLocation(location);
    }


    @Override
    public void onDestroy() {
        super.onDestroy();
        if (locationManager != null) {
            if (ContextCompat.checkSelfPermission(context,Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED
                    || ContextCompat.checkSelfPermission(context,Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
                locationManager.removeUpdates(this);
                trackTimer.cancel();
                Log.i(Constants.TAG, "LocationService . Destroyed");

            }
        }


    }

    public void removeUpdates(){
        if (ContextCompat.checkSelfPermission(context,Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED
                || ContextCompat.checkSelfPermission(context,Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
            locationManager.removeUpdates(this);
        }
    }


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

    }

    @Override
    public void onProviderEnabled(String provider) {

    }

    @Override
    public void onProviderDisabled(String provider) {

    }

    public long getTime(Context context){
        long time = 0;

        try {
            if (checkGPSState(context)) {
                time = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER).getTime();
            } else if (ContextCompat.checkSelfPermission(context, android.Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED
                    || ContextCompat.checkSelfPermission(context, android.Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
                time = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER).getTime();
            }
        }catch(Exception e){
            time = 0;
        }

        return time;
    }

    public boolean checkGPSState(Context context) {
        return locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
    }

}