Android GPS

package com.example.ilija.myapplication;

import android.content.Context;
import android.location.Address;
import android.location.Geocoder;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

import java.io.IOException;
import java.util.List;
import java.util.Locale;

import static android.location.LocationManager.GPS_PROVIDER;


public class MainActivity extends ActionBarActivity {

    private double latitude;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);






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

        MyLocationListener locationListener = new MyLocationListener();
        locationManager.requestLocationUpdates(
                GPS_PROVIDER, 5000, 10, locationListener);

        locationListener.getLocation(locationManager);


    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }


    /*---------- Listener class to get coordinates ------------- */
    private class MyLocationListener implements LocationListener {

        @Override
        public void onLocationChanged(Location loc) {
            Toast.makeText(
                    getBaseContext(),
                    "Location changed: Lat: " + loc.getLatitude() + " Lng: "
                            + loc.getLongitude(), Toast.LENGTH_SHORT).show();
            String longitude = "Longitude: " + loc.getLongitude();
            Log.v("a", longitude);
            String latitude = "Latitude: " + loc.getLatitude();
            Log.v("a", latitude);

        /*------- To get city name from coordinates -------- */
            String cityName = null;
            Geocoder gcd = new Geocoder(getBaseContext(), Locale.getDefault());
            List<Address> addresses;
            try {
                addresses = gcd.getFromLocation(loc.getLatitude(),
                        loc.getLongitude(), 1);
                if (addresses.size() > 0)
                    System.out.println(addresses.get(0).getLocality());
                cityName = addresses.get(0).getLocality();
            }
            catch (IOException e) {
                e.printStackTrace();
            }
            String s = longitude + "\n" + latitude + "\n\nMy Current City is: "
                    + cityName;
        }

        @Override
        public void onProviderDisabled(String provider) {}

        @Override
        public void onProviderEnabled(String provider) {}

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




    /**
     * Function to get the user's current location
     *
     * @return
     */
    public Location getLocation(LocationManager locationManager){
        double latitude = 0;
        double longitude = 0;
        Location location = null;
        try {



            // getting GPS status
            boolean isGPSEnabled = locationManager
                    .isProviderEnabled(LocationManager.GPS_PROVIDER);

            Log.v("isGPSEnabled", "=" + isGPSEnabled);

            // getting network status
            boolean  isNetworkEnabled = locationManager
                    .isProviderEnabled(LocationManager.NETWORK_PROVIDER);

            Log.v("isNetworkEnabled", "=" + isNetworkEnabled);

            if (isGPSEnabled == false && isNetworkEnabled == false) {
                // no network provider is enabled
            } else {
                if (isNetworkEnabled) {
                    location=null;
                    Log.d("Network", "Network");
                    if (locationManager != null) {
                        location = locationManager
                                .getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
                        if (location != null) {
                            latitude = location.getLatitude();
                            longitude = location.getLongitude();
                        }
                    }
                }
                // if GPS Enabled get lat/long using GPS Services
                if (isGPSEnabled) {
                    location=null;
                        Log.d("GPS Enabled", "GPS Enabled");
                        if (locationManager != null) {
                            location = locationManager
                                    .getLastKnownLocation(LocationManager.GPS_PROVIDER);
                            if (location != null) {
                                latitude = location.getLatitude();
                                longitude = location.getLongitude();
                            }
                        }

                }
            }

        } catch (Exception e) {
            e.printStackTrace();
        }
        Toast.makeText(
                getBaseContext(),
                "Location changed: Lat: " + location.getLatitude() + " Lng: "
                        + location.getLongitude(), Toast.LENGTH_SHORT).show();
        return location;
    }

    }

}