Arcgis andoid开发之应用百度地图接口实现精准定位与显示

package com.esri.arcgis.android.samples.localtiledlayer;

import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.mapapi.BMapManager;
import com.baidu.mapapi.MKGeneralListener;
import com.baidu.mapapi.map.MKEvent;
import com.esri.android.map.GraphicsLayer;
import com.esri.android.map.MapView;
import com.esri.android.map.ags.ArcGISLocalTiledLayer;
import com.esri.core.geometry.GeometryEngine;
import com.esri.core.geometry.Point;
import com.esri.core.geometry.SpatialReference;
import com.esri.core.map.Graphic;
import com.esri.core.symbol.SimpleMarkerSymbol;
import com.esri.core.symbol.SimpleMarkerSymbol.STYLE;

public class LocalTiledLayer extends Activity {	
	private MapView map = null;
	private ArcGISLocalTiledLayer local;	
	//提示信息
	private Toast toast;
	/**
	 * GPS定位
	 */
	private GraphicsLayer gLayerGps;
	private Point wgspoint;
	private Point mapPoint;
	private Button btnGPS;
	
	//定位SDK的核心类
	private LocationClient mLocClient;
	//是否手动触发请求定位	
	private boolean isRequest = true;
	//是否首次定位
	private boolean isFirstLoc = true;	
	//地图显示
	private BMapManager mBMapMan = null;
	private int requestTime=0;

	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		map = (MapView) findViewById(R.id.map);
		
		mLocClient = new LocationClient(getApplicationContext());		
		mLocClient.registerLocationListener(new BDLocationListenerImpl());//注册定位监听接口			
				
		 /**
		  * LocationClientOption 该类用来设置定位SDK的定位方式。
		  */			
		LocationClientOption option = new LocationClientOption();			
		option.setOpenGps(true); //打开GPRS			
		option.setAddrType("all");//返回的定位结果包含地址信息			
		option.setCoorType("bd09ll");//返回的定位结果是百度经纬度,默认值gcj02			
		option.setPriority(LocationClientOption.GpsFirst); // 设置GPS优先			
		option.setScanSpan(1000); //设置发起定位请求的间隔时间为1s	
		option.disableCache(true);//启用缓存定位			
		mLocClient.setLocOption(option);  //设置定位参数
		
		local = new ArcGISLocalTiledLayer("file:///storage/sdcard0/arcgis/base_map.tpk");
		map.addLayer(local);
		
		gLayerGps = new GraphicsLayer();
	    map.addLayer(gLayerGps);
		
		//开始定位按钮
		btnGPS=(Button)findViewById(R.id.btnStartGps);
		btnGPS.setOnClickListener(new OnClickListener(){
			@Override
			public void onClick(View v) {
				mLocClient.start();//调用此方法开始定位
				requestLocation();
			}			
		});		
	}
	
	public void requestLocation() 
	{
		isRequest = true;		
		if(mLocClient != null && mLocClient.isStarted())
		{
			showToast("GPS正在定位……");
			mLocClient.requestLocation();			
		}
		else
		{
			Log.d("log", "locClient is null or not started");
		}
	}
	
	public class MKGeneralListenerImpl implements MKGeneralListener
	{
		/**
		 * 一些网络状态的错误处理回调函数
		 */
		@Override
		public void onGetNetworkState(int iError) 
		{
			if (iError == MKEvent.ERROR_NETWORK_CONNECT) 
			{
				showToast("您的网络出错啦！");
            }
		}

		/**
		 * 授权错误的时候调用的回调函数
		 */
		@Override
		public void onGetPermissionState(int iError) 
		{
			if (iError ==  MKEvent.ERROR_PERMISSION_DENIED) 
			{
				showToast("API KEY错误, 请检查！");
            }
		}		
	}
	
	private void showToast(String msg)
	{  
        if(toast == null)
        {  
        	toast = Toast.makeText(this, msg, Toast.LENGTH_SHORT);  
        }
        else
        {  
        	toast.setText(msg);  
        	toast.setDuration(Toast.LENGTH_SHORT);
        }  
        toast.show();  
    } 
	/**
	 * 将GPS点标注在地图上
	 * @param 纬度
	 * @param 经度
	 */
	public void ShowGpsOnMap(double lon,double lat){
		//清空定位图层
		gLayerGps.removeAll();
		//接收到的GPS的信号X(lat),Y(lon)
		double locx = lon;
		double locy = lat;
		wgspoint = new Point(locx, locy);  
		mapPoint = (Point) GeometryEngine.project(wgspoint,SpatialReference.create(4326),map.getSpatialReference());
		//图层的创建
		Graphic graphic = new Graphic(mapPoint,new SimpleMarkerSymbol(Color.RED,18,STYLE.CIRCLE));
		gLayerGps.addGraphic(graphic);
	}
	public class BDLocationListenerImpl implements BDLocationListener 
	{
		/**
		 * 接收异步返回的定位结果，参数是BDLocation类型参数
		 */
		@Override
		public void onReceiveLocation(BDLocation location) 
		{			
			if (location == null) 
			{
				return;
			}
			
		    StringBuffer sb = new StringBuffer(256);
		      sb.append("time : ");
		      sb.append(location.getTime());
		      sb.append("\nerror code : ");
		      sb.append(location.getLocType());
		      sb.append("\nlatitude : ");
		      sb.append(location.getLatitude());
		      sb.append("\nlontitude : ");
		      sb.append(location.getLongitude());
		      sb.append("\nradius : ");
		      sb.append(location.getRadius());
		      if (location.getLocType() == BDLocation.TypeGpsLocation)
		      {
		          sb.append("\nspeed : ");
		          sb.append(location.getSpeed());
		          sb.append("\nsatellite : ");
		          sb.append(location.getSatelliteNumber());
		           
		      } 
		      else if (location.getLocType() == BDLocation.TypeNetWorkLocation)
		      {
		    	  sb.append("\naddr : ");
		          sb.append(location.getAddrStr());
		        
		      } 
		 
		    Log.e("log", sb.toString());			             
			
			if(isFirstLoc || isRequest)
            {
				isRequest = false;
            }
            isFirstLoc = false;   
            double lat=location.getLatitude();
            double lon=location.getLongitude();
            ShowGpsOnMap(lon,lat);
		}

		@Override
		public void onReceivePoi(BDLocation arg0) {
			// TODO Auto-generated method stub
			
		}
	}
}