uu-android/WeiChat/src/main/java/com/xzjmyk/pm/activity/BdLocationHelper.java

package com.xzjmyk.pm.activity;

import android.content.Context;
import android.content.Intent;
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.baidu.location.Poi;
import com.xzjmyk.pm.activity.sp.LocationSp;
import com.xzjmyk.pm.activity.util.ToastUtil;

import java.util.List;

public class BdLocationHelper {
    public static final String ACTION_LOCATION_UPDATE = AppConfig.sPackageName + ".action.location_update";
    private Context mContext;
    private double mLongitude;
    private double mLatitude;
    private String mAddress;
    private String name;
    private String mProvinceName;// 省份
    private String mCityName;// 城市
    private String mDistrictName;// 街道
    private boolean isLocationUpdate;// 本次程序启动后，位置有没有成功更新一次
    private LocationClient mLocationClient = null;
    private int mFaildCount = 0;
    private List<Poi> pois;

    BdLocationHelper(Context context) {
        mContext = context;
        // 获取上一次的定位数据
        mLongitude = LocationSp.getInstance(context).getLongitude(0);
        mLatitude = LocationSp.getInstance(context).getLatitude(0);
        mAddress = LocationSp.getInstance(context).getAddress("");
        mProvinceName = LocationSp.getInstance(context).getProvinceName("");
        mCityName = LocationSp.getInstance(context).getCityName("");
        mDistrictName = LocationSp.getInstance(context).getDistrictName("");
        mLocationClient = new LocationClient(context); // 声明LocationClient类
        mLocationClient.registerLocationListener(mMyLocationListener); // 注册监听函数
        LocationClientOption option = new LocationClientOption();
        option.setLocationMode(LocationClientOption.LocationMode.Hight_Accuracy);//可选，默认高精度，设置定位模式，高精度，低功耗，仅设备
        option.setCoorType("bd09ll");//可选，默认gcj02，设置返回的定位结果坐标系
        option.setScanSpan(5000);// 设置发起定位请求的间隔时间为10s;//可选，默认0，即仅定位一次，设置发起定位请求的间隔需要大于等于1000ms才是有效的
        option.setIsNeedAddress(true);//可选，设置是否需要地址信息，默认不需要
        option.setOpenGps(true);//可选，默认false,设置是否使用gps
        option.setLocationNotify(true);//可选，默认false，设置是否当gps有效时按照1S1次频率输出GPS结果
        option.setIsNeedLocationDescribe(true);//可选，默认false，设置是否需要位置语义化结果，可以在BDLocation.getLocationDescribe里得到，结果类似于“在北京天安门附近”
        option.setIsNeedLocationPoiList(true);//可选，默认false，设置是否需要POI结果，可以在BDLocation.getPoiList里得到
        option.setIgnoreKillProcess(false);//可选，默认true，定位SDK内部是一个SERVICE，并放到了独立进程，设置是否在stop的时候杀死这个进程，默认不杀死
        option.SetIgnoreCacheException(false);//可选，默认false，设置是否收集CRASH信息，默认收集
        option.setEnableSimulateGps(true);//可选，默认false，设置是否需要过滤gps仿真结果，默认需要
        option.setNeedDeviceDirect(false);
       // option.disableCache(true);
        mLocationClient.setLocOption(option);
        requestLocation();//重新定位
    }


    public void release() {
        if (mLocationClient.isStarted()) {
            mLocationClient.stop();
        }
    }

    public void requestLocation() {
        if (!mLocationClient.isStarted()) {
            mFaildCount = 0;
            mLocationClient.start();
            Log.i("roamaer", "requestLocation:开始定位！");
            Log.i("roamaer","requestLocation:是否不能缓存：" + mLocationClient.getLocOption().isDisableCache() );
            
        } else {
            int scanSpan = mLocationClient.getLocOption().getScanSpan();
            if (scanSpan < 1000) {
                mLocationClient.getLocOption().setScanSpan(5000);
            }
            Log.i("roamaer", "requestLocation:setScanSpan！" );
        }
    }

    private BDLocationListener mMyLocationListener = new BDLocationListener() {
        @Override
        public void onReceiveLocation(BDLocation location) {
            int resultCode = 0;
            if (location != null) {
                resultCode = location.getLocType();
            }
            // 百度定位失败
            if (resultCode != BDLocation.TypeGpsLocation && resultCode != BDLocation.TypeCacheLocation
                    && resultCode != BDLocation.TypeOffLineLocation && resultCode != BDLocation.TypeNetWorkLocation) {
                if (AppConfig.DEBUG) {
                    Log.d(AppConfig.TAG, "百度定位失败");
                }
                mFaildCount++;
                if (mFaildCount > 3) {// 停止定位
                    mLocationClient.stop();
                }
                if (listener != null) {
                    listener.result(false);
                }
              
                return;
            }
           
            // 百度定位成功
            mLongitude = location.getLongitude();
            mLatitude = location.getLatitude();
            name = location.getLocationDescribe();
            pois = location.getPoiList();
            if (location.getLocType() == BDLocation.TypeNetWorkLocation) {
                mAddress = location.getAddrStr();
                mProvinceName = location.getProvince();
                mCityName = location.getCity();
                mDistrictName = location.getDistrict();
                if (AppConfig.DEBUG) {
                    Log.d(AppConfig.TAG,
                            "百度定位信息  City:" + location.getCity() + "  CityCode:" + location.getCityCode() + "  区：" + location.getDistrict());
                }
            }

            if (!isLocationUpdate) {
                LocationSp.getInstance(mContext).setLongitude((float) mLongitude);
                LocationSp.getInstance(mContext).setLatitude((float) mLatitude);
                LocationSp.getInstance(mContext).setAddress(mAddress);
                LocationSp.getInstance(mContext).setProvinceName(mProvinceName);
                LocationSp.getInstance(mContext).setCityName(mCityName);
                LocationSp.getInstance(mContext).setDistrictName(mDistrictName);
                isLocationUpdate = true;
            }

            if (AppConfig.DEBUG) {
                Log.d(AppConfig.TAG, "百度定位信息  mLongitude:" + mLongitude + "  mLatitude:" + mLatitude + "  mAddressDetail:" + mAddress);
                Log.d(AppConfig.TAG, "resultCode:"+resultCode);
                ToastUtil.showToast(mContext, "定位码：" + resultCode);
            }
            mLocationClient.stop();
            // if (isTimingScan()) {// 停止定时定位
            // mLocationClient.getLocOption().setScanSpan(100);
            // }
            mContext.sendBroadcast(new Intent(ACTION_LOCATION_UPDATE));// 发送广播
            if (listener != null) {
                ToastUtil.showToast(mContext,pois.get(0).getName()+"定位码："+resultCode);
                listener.result(true);
            }
        }

    };


    public String getName() {
        return pois == null ? (name == null ? "当前位置" : name) : (pois.get(0) == null ? (name == null ? "当前位置" : name) : pois.get(0).getName());
    }

    public void setName(String name) {
        this.name = name;
    }

    // 获取经纬度
    public double getLongitude() {
        return mLongitude;
    }

    // 获取经纬度
    public double getLatitude() {
        return mLatitude;
    }

    // 获取地址详情
    public String getAddress() {
        return mAddress;
    }

    public String getProvinceName() {
        return mProvinceName;
    }

    public String getCityName() {
        return mCityName;
    }

    public String getDistrictName() {
        return mDistrictName;
    }

    public boolean isLocationUpdate() {
        return isLocationUpdate;
    }

    public boolean hasData() {
        return mLatitude != 0 && mLongitude != 0;
    }

    private OnBaiduResultListener listener = null;

    public OnBaiduResultListener getListener() {
        return listener;
    }

    public void setListener(OnBaiduResultListener listener) {
        this.listener = listener;
    }

    public interface OnBaiduResultListener {
        void result(boolean isOk);
    }

}