Baidu_location.java

package com.jqmobile.core.android.lbs.base;


import java.text.SimpleDateFormat;
import java.util.Date;

import android.content.Context;
import android.util.Log;

import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;


public class Baidu_location {
	public LocationClient mLocationClient = null;
	private StringBuffer sb;
	
	public StringBuffer getSb() {
		return sb;
	}

	public MyLocationListenner myListener = new MyLocationListenner();
	
	public Baidu_location(Context context) {
		mLocationClient = new LocationClient(context.getApplicationContext());
		mLocationClient.registerLocationListener( myListener );
		setLocationOption();
		Log.d("BDL", "BaiDuLocation 构造函数");
	}
	
	//设置相关参数
	private void setLocationOption(){
		LocationClientOption option = new LocationClientOption();
		option.setOpenGps(false);//关闭gps
		option.disableCache(true);//禁用缓存
		option.setCoorType("gcj02");//返回国测局经纬度坐标系
		mLocationClient.setLocOption(option);
		
	}
	
	/**
	 * 监听函数，又新位置的时候，格式化成字符串，输出到屏幕中
	 */
	public class MyLocationListenner implements BDLocationListener {
		@Override
		public void onReceiveLocation(BDLocation location) {
			System.out.println("接收百度请求……"+location);
			if (location == null){
				return ;
			}			
			sb=new StringBuffer(256);
			sb.append("time ;");
			sb.append(location.getTime());
			sb.append(";error code ;");
			sb.append(location.getLocType());
			sb.append(";latitude ;");
			sb.append(location.getLatitude());
			sb.append(";lontitude ;");
			sb.append(location.getLongitude());
			sb.append(";radius ;");
			sb.append(location.getRadius());
			if (location.getLocType() == BDLocation.TypeGpsLocation){
				sb.append(";speed ;");
				sb.append(location.getSpeed());
				sb.append(";satellite ;");
				sb.append(location.getSatelliteNumber());
			} else if (location.getLocType() == BDLocation.TypeNetWorkLocation){
				sb.append(";addr ;");
				sb.append(location.getAddrStr());
			}
			
			System.out.println("百度获得位置信息打印----------------------------------------"+sb.toString());
			System.out.println("百度搜索位置结束……"+new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
		}

		@Override
		public void onReceivePoi(BDLocation arg0) {
			// TODO Auto-generated method stub
			
		}
	}
	
	/**
	 * 销毁监听器
	 */
	public void stopListener(){
    	if (mLocationClient != null && mLocationClient.isStarted()){
    		mLocationClient.stop();
    		mLocationClient = null;
    	}
	}
}