新手求助，android百度定位textview没有显示地址

public class StartCanteenActivity extends Activity
{
private TextView locationInfoTextView = null;
private Button startButton = null;
private LocationClient locationClient = null;
private static final int UPDATE_TIME = 5000;
private static int LOCATION_COUTNS = 0;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main_canteen);
locationInfoTextView = (TextView) this.findViewById(R.id.locationTextView);
startButton = (Button) this.findViewById(R.id.location_button);

    locationClient = new LocationClient(this);
    //设置定位条件
    LocationClientOption option = new LocationClientOption();
    option.setOpenGps(true);        //是否打开GPS
    option.setCoorType("bd09ll");       //设置返回值的坐标类型
    option.setPriority(LocationClientOption.NetWorkFirst);  //设置定位优先级
    option.setScanSpan(UPDATE_TIME);    //设置定时定位的时间间隔。单位毫秒
    locationClient.setLocOption(option);

    //注册位置监听器
    locationClient.registerLocationListener(new BDLocationListener() {
        @Override
        public void onReceiveLocation(BDLocation location) {
            if (location == null) {
                return;
            }
            StringBuffer sb = new StringBuffer(256);
            sb.append("\nAddress : ");
            sb.append(location.getAddrStr());
            sb.append(String.valueOf(LOCATION_COUTNS));
            locationInfoTextView.setText(sb.toString());
        }
    });
    startButton.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
            if (locationClient == null) {
                return;
            }
            if (locationClient.isStarted()) {
                startButton.setText("Start");
                locationClient.stop();
                }
            else {
                startButton.setText("Stop");
                locationClient.start();
                locationClient.requestLocation();
            }
        }
    });
}
@Override
protected void onDestroy() {
    super.onDestroy();
    if (locationClient != null && locationClient.isStarted()) {
        locationClient.stop();
        locationClient = null;
    }

}

}

import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;

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;
import com.baidu.mapapi.SDKInitializer;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.MyLocationData;

public class MainActivity extends Activity {

private BaiduMap baiduMap;
private MapView mapView;
private LocationClient locationClient = null;// 定位SDK的核心类
private MyLocationData myLocationData;// 用户位置信息
private String tempcoor = "gcj02";
private TextView textView;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    SDKInitializer.initialize(getApplicationContext());// 初始化SDK
    setContentView(R.layout.activity_main);

    init();
}

public void init() {
    mapView = (MapView) findViewById(R.id.mapView);
    textView = (TextView) findViewById(R.id.textView1);
    baiduMap = mapView.getMap();// 得到百度地图

    // 设置百度地图类型
    baiduMap.setMapType(BaiduMap.MAP_TYPE_NORMAL);// 普通地图

    // baiduMap.setMapType(BaiduMap.MAP_TYPE_SATELLITE);// 卫星地图

    // baiduMap.setTrafficEnabled(true);// 开启交通图

    // baiduMap.setBaiduHeatMapEnabled(true);//开启地图热度，人口密集处

    // baiduMap.setMyLocationEnabled(true);// 开启定位图层
    locationClient = new LocationClient(getApplicationContext());
    locationClient.registerLocationListener(bdLocationListener);// 注册定位监听器

    // 定位前的准备工作
    initLocation();

    locationClient.start();// 开始定位
    locationClient.requestLocation();

}

public void initLocation() {

    LocationClientOption option = new LocationClientOption();
    option.setLocationMode(LocationMode.Hight_Accuracy);// 高精度定位模式
    option.setCoorType(tempcoor);// 国测局加密经纬度坐标
    option.setScanSpan(0);
    option.setIsNeedAddress(true);
    option.setOpenGps(true);
    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.setIgnoreKillProcess(true);
    locationClient.setLocOption(option);

}

BDLocationListener bdLocationListener = new BDLocationListener() {

    @Override
    public void onReceiveLocation(BDLocation location) {
        // TODO Auto-generated method stub
        if (location == null) {
            return;
        }

        // myLocationData = new MyLocationData.Builder()
        // .accuracy(location.getRadius()).direction(100)
        // .latitude(location.getLatitude())
        // .latitude(location.getLongitude()).build();
        // baiduMap.setMyLocationData(myLocationData);

        textView.setText("radius:" + location.getRadius() + ";"
                + "latitute:" + location.getLatitude() + ";"
                + "longtitute:" + location.getLongitude() + ";"
                + "address:" + location.getAddrStr());

    }
};

@Override
protected void onResume() {
    // TODO Auto-generated method stub
    super.onResume();
    if (mapView != null) {
        mapView.onResume();
    }

}

@Override
protected void onPause() {
    // TODO Auto-generated method stub
    super.onPause();
    if (mapView != null) {
        mapView.onPause();
    }

}

@Override
protected void onDestroy() {
    // TODO Auto-generated method stub
    super.onDestroy();

    if (mapView != null) {
        mapView.onDestroy();
        mapView = null;
    }
    if (locationClient != null) {
        locationClient.unRegisterLocationListener(bdLocationListener);
    }
}

}

参考：
百度地图开发：

http://blog.csdn.net/column/details/android-jacksen-map.html