<?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);
        }
      }
    });