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);        }      }    });