Get Current Location Android

GPSTracking.java

package com.quynguyenblog.mymap;

import android.app.AlertDialog;
import android.app.Service;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.IBinder;
import android.provider.Settings;

public class GPSTracking extends Service implements LocationListener {
    private final Context mContext;

    boolean isGPSEnabled = false;
    boolean isNetworkEnabled = false;
    private boolean canGetLocation = false;

    Location mLocation;
    private double lat;
    private double lng;

    private static final long MIN_DISTANCE_CHANGE_FOR_UPDATE = 10;

    private static final long MIN_TIME_BW_UPDATE = 1000*60*1;

    protected LocationManager locationManager;

    public GPSTracking(Context context) {
        this.mContext = context;
        getLocation();
    }

    public Location getLocation(){
        try{
            locationManager = (LocationManager) mContext.getSystemService(LOCATION_SERVICE);
            isGPSEnabled = locationManager.isProviderEnabled(locationManager.GPS_PROVIDER);
            isNetworkEnabled = locationManager.isProviderEnabled(locationManager.NETWORK_PROVIDER);

            if(!isGPSEnabled && !isNetworkEnabled){
                //no network or gps
            }else{
                setCanGetLocation(true);

                if(isNetworkEnabled){
                    locationManager.requestLocationUpdates(
                            LocationManager.NETWORK_PROVIDER,
                            MIN_TIME_BW_UPDATE,
                            MIN_DISTANCE_CHANGE_FOR_UPDATE,
                            this
                    );
                    if(locationManager!=null){
                        mLocation = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
                        if(mLocation!=null){
                            setLat(mLocation.getLatitude());
                            setLng(mLocation.getLongitude());
                        }
                    }
                }
                if (isGPSEnabled) {
                    if (mLocation == null) {
                        locationManager.requestLocationUpdates(
                                LocationManager.GPS_PROVIDER,
                                MIN_TIME_BW_UPDATE,
                                MIN_DISTANCE_CHANGE_FOR_UPDATE, this);
                        if (locationManager != null) {
                            mLocation = locationManager
                                    .getLastKnownLocation(LocationManager.GPS_PROVIDER);
                            if (mLocation != null) {
                                setLat(mLocation.getLatitude());
                                setLng(mLocation.getLongitude());
                            }
                        }
                    }
                }
            }
        }catch (Exception e){

        }

        return mLocation;
    }

    public void showAlertDialog(){
        AlertDialog.Builder alertDialog = new AlertDialog.Builder(mContext);

        alertDialog.setTitle("GPS is settings");

        alertDialog.setMessage("GPS is not enabled. Do you want go to settings menu?");

        alertDialog.setPositiveButton("Settings", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
                mContext.startActivity(intent);
            }
        });

        alertDialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                dialog.cancel();
            }
        });

        alertDialog.show();
    }

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

    @Override
    public void onLocationChanged(Location location) {

    }

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

    }

    @Override
    public void onProviderEnabled(String provider) {

    }

    @Override
    public void onProviderDisabled(String provider) {

    }

    public double getLat() {
        return lat;
    }

    public void setLat(double lat) {
        this.lat = lat;
    }

    public double getLng() {
        return lng;
    }

    public void setLng(double lng) {
        this.lng = lng;
    }

    public boolean isCanGetLocation() {
        return canGetLocation;
    }

    public void setCanGetLocation(boolean canGetLocation) {
        this.canGetLocation = canGetLocation;
    }
}