package com.pingyijinren.test;

import android.content.Context;

import android.location.Location;

import android.location.LocationListener;

import android.location.LocationManager;

import android.os.Bundle;

import android.util.Log;

import java.util.List;

/**

 * Created by Administrator on 2016/5/19 0019.

 */

public class LocationUtil {

    public static Context context;

    private static LocationManager locationManager;

    private static Location location;

    private static LocationListener locationListener;

    public static String getLocation() {

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

        String provider;

        String result=null;

        List<String> providerList = locationManager.getProviders(true);

        if (providerList.contains(LocationManager.GPS_PROVIDER)) {

            provider = LocationManager.GPS_PROVIDER;

        } else if (providerList.contains(LocationManager.NETWORK_PROVIDER)) {

            provider = LocationManager.NETWORK_PROVIDER;

        } else {

            Log.d("MainActivity","没有开启位置服务");

            return null;

        }

        try{

            location=locationManager.getLastKnownLocation(provider);

            if(location!=null){

                result=location.getLatitude()+" "+location.getLongitude();

            }

            locationListener=new LocationListener(){

                @Override

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

                @Override

                public void onProviderEnabled(String provider){}

                @Override

                public void onProviderDisabled(String provider){}

                @Override

                public void onLocationChanged(Location changedLocation){

                    location=changedLocation;

                }

            };

            locationManager.requestLocationUpdates(provider,0,0,locationListener);

        }

        catch(SecurityException e){

            e.printStackTrace();

        }

        return result;

    }

    public static void onDestroy(){

        if(locationManager!=null){

            try{

                locationManager.removeUpdates(locationListener);

            }

            catch(SecurityException e){

                e.printStackTrace();

            }

        }

    }

}