LocationService

package ie.appz.shortestwalkingroute.gps;

import ie.appz.shortestwalkingroute.sqlite.FixOpenHelper;
import ie.appz.shortestwalkingroute.sqlite.FixProvider;
import android.app.Service;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.net.Uri;
import android.os.Bundle;
import android.os.IBinder;

public class LocationService extends Service {

    int mRouteNo;
    FixOpenHelper mFixOpenHelper;
    Location lastLocation;
    public static float oldAccuracy = 102;
    LocationManager mLocationManager;
    LocationListener networkListener, gpsListener;

    @Override
    public void onCreate() {
        super.onCreate();
        mLocationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
        networkListener = new LocationListener() {
            public void onLocationChanged(Location location) {
                if (lastLocation == null || (location.getTime() - lastLocation.getTime()) > 3000) {
                    addRow(location);
                }
            }

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

            public void onProviderEnabled(String provider) {
            }

            public void onProviderDisabled(String provider) {
            }
        };
        gpsListener = new LocationListener() {
            public void onLocationChanged(Location location) {
                addRow(location);
            }

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

            public void onProviderEnabled(String provider) {
            }

            public void onProviderDisabled(String provider) {
            }
        };
        mFixOpenHelper = new FixOpenHelper(this);
    }

    @Override
    public void onStart(Intent intent, int startid) {
        mRouteNo = intent.getIntExtra("HIGHESTROUTE", 1);
        /*
         * Register the listener with the Location Manager to receive location
         * updates
         */
        mLocationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 000, 0, networkListener);
        mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 000, 0, gpsListener);
        /*
         * The two integers in this request are the time (ms) and distance (m)
         * intervals of notifications respectively.
         */
    }

    @Override
    public IBinder onBind(Intent intent) {
        // TODO Auto-generated method stub
        return null;
    }

    protected void addRow(Location location) {
        /*
         * This will reject any GPS fix with very poor accuracy
         */
        if (location.getAccuracy() < 100 && location.getAccuracy() < 2 * oldAccuracy) {
            mFixOpenHelper.addFix(mRouteNo, location);
            lastLocation = location;
            oldAccuracy = (oldAccuracy + location.getAccuracy()) / 2;
            Uri baseUri = Uri.withAppendedPath(FixProvider.CONTENT_URI, FixProvider.ROUTE + "/" + mRouteNo);

            ContentResolver contentResolver = this.getContentResolver();
            contentResolver.notifyChange(baseUri, null);

        }

    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        mLocationManager.removeUpdates(networkListener);
        mLocationManager.removeUpdates(gpsListener);

        if (mFixOpenHelper != null) {
            mFixOpenHelper.close();
        }
    }
}