Android百度地图定位后获取周边位置的实现代码

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
 <RelativeLayout
   android:layout_width="match_parent"
   android:layout_height="@dimen/height_top_bar"
   android:background="@color/common_top_bar_dark"
   android:gravity="center_vertical">

  <Button
    android:id="@+id/btn_location_back"
    android:layout_width="wrap_content"
    android:layout_height="match_parent"
    android:drawableLeft="@drawable/back"
    android:text="@string/top_back"
    style="@style/btn_title_bar"
    android:layout_alignParentLeft="true"
    android:onClick="back"
    />

  <TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_centerInParent="true"
    android:text="@string/location_message"
    style="@style/txt_titlebar_message"/>


  <Button
    android:id="@+id/btn_location_ok"
    android:layout_width="52dp"
    android:layout_height="match_parent"
    android:layout_alignParentRight="true"
    android:background="@drawable/common_tab_bg"
    android:text="@string/txt_queding"
    style="@style/btn_title_bar"/>

 </RelativeLayout>
 <com.baidu.mapapi.map.MapView
   android:layout_weight="2"
   android:id="@+id/mapview_location"
   android:layout_width="fill_parent"
   android:layout_height="match_parent"
   android:clickable="true" />

 <ListView
   android:layout_weight="3"
   android:id="@+id/lv_location_nearby"
   android:layout_width="match_parent"
   android:layout_height="match_parent"/>

</LinearLayout>

 /**
  * 初始化组件
  */
 private void initView() {
  btnLocationBack = (Button) findViewById(R.id.btn_location_back);
  btnLocationBack.setOnClickListener(this);
  btnLocationOk = (Button) findViewById(R.id.btn_location_ok);
  btnLocationOk.setOnClickListener(this);
  mapViewLocation = (MapView) findViewById(R.id.mapview_location);
  lvLocNear = (ListView) findViewById(R.id.lv_location_nearby);
  nearList = new ArrayList<PoiInfo>();
  adapter = new LocNearAddressAdapter(context, nearList, isSelected);
  lvLocNear.setAdapter(adapter);
 }

public LocationClient mLocationClient = null;
public BDLocationListener myListener = new MyLocationListener();

public void onCreate() {
 mLocationClient = new LocationClient(getApplicationContext());  //声明LocationClient类
 mLocationClient.registerLocationListener( myListener ); //注册监听函数
}

private void initLocation(){
  LocationClientOption option = new LocationClientOption();
  option.setLocationMode(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
  int span=1000;
  option.setScanSpan(span);//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false，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(false);//可选，默认false，设置是否需要过滤gps仿真结果，默认需要
  mLocationClient.setLocOption(option);
 }

 /**
  * 监听函数，有新位置的时候，格式化成字符串，输出到屏幕中
  */
 public class MyLocationListenner implements BDLocationListener {
  @Override
  public void onReceiveLocation(BDLocation location) {
   if (location == null) {
    return;
   }
   Log.d("map", "On location change received:" + location);
   Log.d("map", "addr:" + location.getAddrStr());
   if (progressDialog != null) {
    progressDialog.dismiss();
   }

   if (lastLocation != null) {
    if (lastLocation.getLatitude() == location.getLatitude() && lastLocation.getLongitude() == location.getLongitude()) {
     Log.d("map", "same location, skip refresh");
     // mMapView.refresh(); //need this refresh?
     return;
    }
   }
   lastLocation = location;
   mBaiduMap.clear();
   mCurrentLantitude = lastLocation.getLatitude();
   mCurrentLongitude = lastLocation.getLongitude();
   Log.e(">>>>>>>", mCurrentLantitude + "," + mCurrentLongitude);
   LatLng llA = new LatLng(lastLocation.getLatitude(), lastLocation.getLongitude());
   CoordinateConverter converter = new CoordinateConverter();
   converter.coord(llA);
   converter.from(CoordinateConverter.CoordType.COMMON);
   LatLng convertLatLng = converter.convert();
   OverlayOptions ooA = new MarkerOptions().position(convertLatLng).icon(BitmapDescriptorFactory
     .fromResource(R.drawable.icon_marka))
     .zIndex(4).draggable(true);
   mCurrentMarker = (Marker) mBaiduMap.addOverlay(ooA);
   MapStatusUpdate u = MapStatusUpdateFactory.newLatLngZoom(convertLatLng, 16.0f);
   mBaiduMap.animateMapStatus(u);
   new Thread(new Runnable() {
    @Override
    public void run() {
     searchNeayBy();
    }
   }).start();
  }

  public void onReceivePoi(BDLocation poiLocation) {
   if (poiLocation == null) {
    return;
   }
  }
 }

 /*
 * 显示经纬度的位置
 * */
 private void showMap(double latitude, double longtitude, String address) {
//  sendButton.setVisibility(View.GONE);
  LatLng llA = new LatLng(latitude, longtitude);
  CoordinateConverter converter = new CoordinateConverter();
  converter.coord(llA);
  converter.from(CoordinateConverter.CoordType.COMMON);
  LatLng convertLatLng = converter.convert();
  OverlayOptions ooA = new MarkerOptions().position(convertLatLng).icon(BitmapDescriptorFactory.fromResource(R.drawable.icon_marka))
    .zIndex(4).draggable(true);
  markerA = (Marker) (mBaiduMap.addOverlay(ooA));
  u = MapStatusUpdateFactory.newLatLngZoom(convertLatLng, 16.0f);
  mBaiduMap.animateMapStatus(u);
  new Thread(new Runnable() {
   @Override
   public void run() {
    searchNeayBy();
   }
  }).start();
 }

/**
  * 搜索周边地理位置
  */
 private void searchNeayBy() {
  PoiNearbySearchOption option = new PoiNearbySearchOption();
  option.keyword("写字楼");
  option.sortType(PoiSortType.distance_from_near_to_far);
  option.location(new LatLng(mCurrentLantitude, mCurrentLongitude));
  if (radius != 0) {
   option.radius(radius);
  } else {
   option.radius(1000);
  }

  option.pageCapacity(20);
  mPoiSearch.searchNearby(option);

 }

/*
* 接受周边地理位置结果
* @param poiResult
*/

 @Override
 public void onGetPoiResult(PoiResult poiResult) {
  if (poiResult != null) {
   if (poiResult.getAllPoi()!=null&&poiResult.getAllPoi().size()>0){
    nearList.addAll(poiResult.getAllPoi());
    if (nearList != null && nearList.size() > 0) {
     for (int i = 0; i < nearList.size(); i++) {
      isSelected.put(i, false);
     }
    }
    Message msg = new Message();
    msg.what = 0;
    handler.sendMessage(msg);
   }

  }
 }

 /**
   * 周边地理位置列表点击事件
   */
  lvLocNear.setOnItemClickListener(new AdapterView.OnItemClickListener() {
   @Override
   public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
    adapter.setSelected(i);
    adapter.notifyDataSetChanged();
    PoiInfo ad = (PoiInfo) adapter.getItem(i);
    u = MapStatusUpdateFactory.newLatLng(ad.location);
    mBaiduMap.animateMapStatus(u);
    if (!isLoc) {
     mCurrentMarker.setPosition(ad.location);
    } else {
     markerA.setPosition(ad.location);
    }
   }
  });