這幾天的項目不是非常緊。于是想為未來可能要做的項目做一些技術儲備。

下一個項目非常有可能是定位開發，須要用到手機定位功能，于是查了查如今比較流行的第三方定位，最火的基本上就是百度定位>高德定位>騰訊定位了。

想了想不如做一個DEMO把三種定位方式混合一下試試。

BaiduLocTool.java

package com.dhcc.mixlocation;import android.content.Context;import com.baidu.location.BDLocation; import com.baidu.location.BDLocationListener; import com.baidu.location.LocationClient; import com.baidu.location.LocationClientOption; import com.baidu.location.LocationClientOption.LocationMode;public class BaiduLocTool implements BDLocationListener{public LocationClient mLocationClient;public LocationClient getmLocationClient() {return mLocationClient;}private Context mContext;public BaiduLocTool(Context context){mContext=context;}public void init(){mLocationClient = new LocationClient(mContext);InitLocation();mLocationClient.registerLocationListener(this);mLocationClient.start();}private void InitLocation(){LocationClientOption option = new LocationClientOption();option.setLocationMode(LocationMode.Hight_Accuracy);//設置定位模式option.setScanSpan(1000);//設置發起定位請求的間隔時間為5000msoption.setIsNeedAddress(true);mLocationClient.setLocOption(option);}@Overridepublic void onReceiveLocation(BDLocation location) {// TODO Auto-generated method stub((MainActivity)mContext).phoneCall("百度定位:"+"緯度:"+location.getLatitude()+" | "+"經度:"+location.getLongitude()+" | "+"反地理編碼:"+location.getAddrStr());mLocationClient.stop();}public void destroyLocManager(){if(mLocationClient!=null)mLocationClient.stop();mLocationClient=null;}}

GaodeLocTool.java

package com.dhcc.mixlocation;import android.content.Context; import android.location.Location; import android.os.Bundle; import android.util.Log;import com.amap.api.location.AMapLocation; import com.amap.api.location.AMapLocationListener; import com.amap.api.location.LocationManagerProxy; import com.amap.api.location.LocationProviderProxy;public class GaodeLocTool implements AMapLocationListener{Context mContext;private LocationManagerProxy mLocationManagerProxy;public GaodeLocTool(Context context){this.mContext=context;}public void init(){mLocationManagerProxy = LocationManagerProxy.getInstance(mContext);mLocationManagerProxy.requestLocationData(LocationProviderProxy.AMapNetwork, 1000, 15, this);mLocationManagerProxy.setGpsEnable(true);}@Overridepublic void onLocationChanged(Location location) {// TODO Auto-generated method stubLog.e("onLocationChanged", "Location");}@Overridepublic void onProviderDisabled(String arg0) {// TODO Auto-generated method stubLog.e("onProviderDisabled", "onProviderDisabled");}@Overridepublic void onProviderEnabled(String arg0) {// TODO Auto-generated method stubLog.e("onProviderEnabled", "onProviderEnabled");}@Overridepublic void onStatusChanged(String arg0, int arg1, Bundle arg2) {// TODO Auto-generated method stubLog.e("onStatusChanged", "onStatusChanged");}@Overridepublic void onLocationChanged(AMapLocation location) {// TODO Auto-generated method stubLog.e("onLocationChanged", "AMapLocation");((MainActivity)mContext).phoneCall("高德定位:"+"混合定位方式:"+location.getProvider()+" | "+"緯度:"+location.getLatitude()+" | "+"經度:"+location.getLongitude()+" | "+"反地理編碼:"+location.getAddress()); mLocationManagerProxy.removeUpdates(this);}public void destroyLocManager() {if (mLocationManagerProxy != null) {mLocationManagerProxy.removeUpdates(this);mLocationManagerProxy.destroy();}mLocationManagerProxy = null;}}
TencentLocTool.java

<span style="font-size:10px;">package com.dhcc.mixlocation;import android.content.Context; import android.util.Log;import com.tencent.map.geolocation.TencentLocation; import com.tencent.map.geolocation.TencentLocationListener; import com.tencent.map.geolocation.TencentLocationManager; import com.tencent.map.geolocation.TencentLocationRequest;public class TecentLocTool implements TencentLocationListener {String LocInfo;String task;Context main;TencentLocationManager mLocationManager;public String getLocInfo() {return LocInfo;}public void setLocInfo(String locInfo) {LocInfo = locInfo;}public TecentLocTool(Context main) {this.main = main;mLocationManager=TencentLocationManager.getInstance(main);}public void init(){int error = TencentLocationManager.getInstance(main).requestLocationUpdates(TencentLocationRequest.create().setInterval(5000).setRequestLevel(TencentLocationRequest.REQUEST_LEVEL_NAME), this);if (error == 0) {Log.e("監聽狀態:", "監聽成功!");} else if (error == 1) {Log.e("監聽狀態:", "設備缺少使用騰訊定位SDK須要的基本條件");} else if (error == 2) {Log.e("監聽狀態:", "配置的 key 不對");}}/*** @param location* 新的位置* @param error* 錯誤碼* @param reason* 錯誤描寫敘述*/@Overridepublic void onLocationChanged(TencentLocation location, int error,String reason) {// TODO Auto-generated method stubif (TencentLocation.ERROR_OK == error) {double lat = location.getLatitude();// 緯度double lot = location.getLongitude();// 經度double altitude = location.getAltitude();// 海拔float accuracy = location.getAccuracy();// 精度String nation = location.getNation();// 國家String province = location.getProvince();// 省份String city = location.getCity();// 城市String district = location.getDistrict();// 區String town = location.getTown();// 鎮String village = location.getVillage();// 村String street = location.getStreet();// 街道String streetNo = location.getStreetNo();// 門號Log.e("定位信息:", lat + " | " + lot + " | " + altitude + " | "+ accuracy + " | " + nation + " | " + province + " | "+ city + " | " + district + " | " + town + " | " + village+ " | " + street + " | " + streetNo);task = lat + " | " + lot + " | " + altitude + " | " + accuracy+ " | " + nation + " | " + province + " | " + city + " | "+ district + " | " + town + " | " + village + " | "+ street + " | " + streetNo + " | ";String provider=location.getProvider();//定位方式if (TencentLocation.GPS_PROVIDER.equals(provider)) {// location 是GPS定位結果Log.e("定位方式:","GPS");((MainActivity)main).phoneCall("騰訊定位:"+task+"GPS");} else if (TencentLocation.NETWORK_PROVIDER.equals(provider)) {// location 是網絡定位結果Log.e("定位方式:","NetWork");((MainActivity)main).phoneCall("騰訊定位:"+task+"NetWork"+" | "+location.getAddress());Log.e("地址:", location.getAddress());}mLocationManager.removeUpdates(this);} else {Log.e("reason:", reason);Log.e("error:", error + "");}}/*** @param name* GPS，Wi-Fi等* @param status* 新的狀態, 啟用或禁用* @param desc* 狀態描寫敘述*/@Overridepublic void onStatusUpdate(String name, int status, String desc) {// TODO Auto-generated method stubLog.e("name:", name);Log.e("status:", ""+status);Log.e("desc:", desc);}public void destroyLocManager() {if(mLocationManager!=null)mLocationManager.removeUpdates(this);mLocationManager=null;}}</span><span style="font-size:18px;"> </span>
記錄一下開發中遇到的問題：

百度地圖：沒什么問題。用起來非常方便。

高德地圖：LocationProviderProxy.AMapNetwork ?僅僅支持網絡定位，無法純GPS定位，假設想要純GPS定位就必須把這個參數改成LocationManagerProxy.GPS_PROVIDER。

非常蛋疼，這里須要自己來邏輯推斷一下。

騰訊地圖：假設想要純GPS定位的話，須要把定位坐標改成地球坐標：mLocationManager.setCoordinateType(TencentLocationManager.COORDINATE_TYPE_WGS84);

可是面臨的問題是這個坐標沒法反地理編碼。假設想反地理編碼，就必須把坐標改成火星坐標。mLocationManager.setCoordinateType(TencentLocationManager.COORDINATE_TYPE_GCJ02); ?

可是這樣又沒法純GPS定位。所以我個人認為騰訊定位僅僅要用他的網絡定位就好了，不要用他的GPS定位了 好麻煩。

在我所在的位置測試的話，三種定位的網絡定位，反地理編碼最準確的是：騰訊定位，其次是百度定位。最差的是高德定位。

項目源代碼下載地址：

http://download.csdn.net/detail/jasoncol_521/8775663

《新程序員》：云原生和全面數字化實踐50位技術專家共同創作，文字、視頻、音頻交互閱讀

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