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//
// Copyright (c) 2015-2016, Geek Zoo Studio
// http://www.geek-zoo.com
//
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
package com.insthub.O2OMobile.Utils;
import android.content.Context;
import android.content.SharedPreferences;
import android.util.Log;
import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.insthub.O2OMobile.Config;
import com.insthub.O2OMobile.O2OMobileAppConst;
import com.insthub.O2OMobile.R;
public class LocationManager implements BDLocationListener
{
public LocationClient mLocationClient = null;
private static LocationManager Instance;
private static double latitude = 0; //经度
private static double longitude = 0; //纬度
public static SharedPreferences shared;
public static SharedPreferences.Editor editor;
public static Context context;
public LocationManager(Context context)
{
LocationManager.context = context;
shared = context.getSharedPreferences(O2OMobileAppConst.USERINFO, 0);
editor = shared.edit();
latitude = shared.getFloat("latitude", 0.0f);
longitude = shared.getFloat("longitude", 0.0f);
Instance = this;
mLocationClient = new LocationClient(context);
LocationClientOption option = new LocationClientOption();
option.setLocationMode(LocationClientOption.LocationMode.Battery_Saving);//设置定位模式
option.setCoorType("gcj02");//返回的定位结果是百度经纬度，默认值gcj02
option.setIsNeedAddress(false);//返回的定位结果包含地址信息
option.setNeedDeviceDirect(false);//返回的定位结果包含手机机头的方向
option.setProdName(Config.BAIDU_MAP_PRODNAME);
option.setOpenGps(true);
mLocationClient.setLocOption(option);
mLocationClient.registerLocationListener(this);
mLocationClient.start();
}
public static LocationManager getInstance()
{
return Instance;
}
public void refreshLocation()
{
mLocationClient.requestOfflineLocation();
}
public BDLocation getLocation()
{
return mLocationClient.getLastKnownLocation();
}
@Override
public void onReceiveLocation(BDLocation bdLocation)
{
if (bdLocation == null)
return ;
StringBuffer sb = new StringBuffer(256);
sb.append("time : ");
sb.append(bdLocation.getTime());
sb.append("\nerror code : ");
sb.append(bdLocation.getLocType());
sb.append("\nlatitude : ");
sb.append(bdLocation.getLatitude());
sb.append("\nlontitude : ");
sb.append(bdLocation.getLongitude());
sb.append("\nradius : ");
sb.append(bdLocation.getRadius());
if (bdLocation.getLocType() == BDLocation.TypeGpsLocation){
sb.append("\nspeed : ");
sb.append(bdLocation.getSpeed());
sb.append("\nsatellite : ");
sb.append(bdLocation.getSatelliteNumber());
} else if (bdLocation.getLocType() == BDLocation.TypeNetWorkLocation){
sb.append("\naddr : ");
sb.append(bdLocation.getAddrStr());
}
latitude = bdLocation.getLatitude();
longitude = bdLocation.getLongitude();
if (latitude > 1 && longitude > 1)
{
editor.putFloat("latitude", (float) latitude);
editor.putFloat("longitude", (float) longitude);
editor.commit();
}
else
{
if (mLocationClient.isStarted())
{
// int result =mLocationClient.requestOfflineLocation();
// Log.d("LocSDK3", "result:" + result);
}
else
{
Log.d("LocSDK3", "locClient is null or not started");
}
}
Log.e("location", sb.toString());
}
public static String getLocation(double lat, double lon) {
String loc = null;
double s = gps2m(getLatitude(), getLongitude(), lat, lon);
if(s > 1000) {
s = s / 1000.0;
s = Math.ceil(s * 100+.5)/100;
loc = s + context.getString(R.string.kilometre);
} else {
s = Math.ceil(s * 100+.5)/100;
loc = s + context.getString(R.string.meter);
}
return loc;
}
public static final double EARTH_RADIUS = 6378137.0;
public static double gps2m(double lat_a, double lng_a, double lat_b, double lng_b) {
double radLat1 = (lat_a * Math.PI / 180.0);
double radLat2 = (lat_b * Math.PI / 180.0);
double a = radLat1 - radLat2;
double b = (lng_a - lng_b) * Math.PI / 180.0;
double s = 2 * Math.asin(Math.sqrt(Math.pow(Math.sin(a / 2), 2)
+ Math.cos(radLat1) * Math.cos(radLat2)
* Math.pow(Math.sin(b / 2), 2)));
s = s * EARTH_RADIUS;
s = Math.round(s * 10000) / 10000;
return s;
}
public void destory()
{
mLocationClient.stop();
}
public static double getLatitude() {
shared = context.getSharedPreferences(O2OMobileAppConst.USERINFO, 0);
editor = shared.edit();
latitude = shared.getFloat("latitude", 0.0f);
return latitude;
}
public static double getLongitude() {
shared = context.getSharedPreferences(O2OMobileAppConst.USERINFO, 0);
editor = shared.edit();
longitude = shared.getFloat("longitude", 0.0f);
return longitude;
}
}