百度定位附近位置功能

本文主要是介绍百度定位附近位置功能，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

实现类似的附近位置功能

demo http://download.csdn.net/detail/u013134722/9732998

上代码

//添加定位
public class GetLocationActivity extends Activity implements OnClickListener,
       OnGetSuggestionResultListener, BDLocationListener {
   private EditText input_position;
   private ListView lvTop, lvNear;// 选择的地址,附近的地址
   private TextView current_addfess, current_city;
   private ImageView iv_refresh, iv_search;
   private ImageView release_content_back;
   //
   private SuggestionSearch mSuggestionSearch = null;
   private PositionAdapter topAdapter, buttomAdater;
   private boolean isRefreshTop;// false 刷新下面的附近数据 true 刷新search的数据

   // 测试二
   private PoiSearch mPoiSearch;
   protected PoiResult searchResult;

   @Override
   protected void onCreate(Bundle savedInstanceState) {
       // TODO Auto-generated method stub
       super.onCreate(savedInstanceState);
       setContentView(R.layout.near_address);
       initView();
       //
       mSuggestionSearch = SuggestionSearch.newInstance();
       mSuggestionSearch.setOnGetSuggestionResultListener(this);
       //
       mPoiSearch = PoiSearch.newInstance();
       mPoiSearch.setOnGetPoiSearchResultListener(poiListener);
       startBaiduLocation();
   }

   public void initView() {
       findViewById(R.id.release_content_back).setOnClickListener(this);
       input_position = (EditText) findViewById(R.id.input_position);
       lvTop = (ListView) findViewById(R.id.lsitview_top);
       lvNear = (ListView) findViewById(R.id.below_listview);
       current_addfess = (TextView) findViewById(R.id.current_addfess);
       current_city = (TextView) findViewById(R.id.current_city);

       iv_refresh = (ImageView) findViewById(R.id.iv_refresh);
       iv_search = (ImageView) findViewById(R.id.iv_search);
       //
       iv_refresh.setOnClickListener(this);
       iv_search.setOnClickListener(this);
       // shezhiadapter
       topAdapter = new PositionAdapter();
       buttomAdater = new PositionAdapter();
       lvTop.setAdapter(topAdapter);
       lvNear.setAdapter(buttomAdater);
       // 初始化要显示的数据
       current_addfess.setText("正在定位...");
   }

   OnGetPoiSearchResultListener poiListener = new OnGetPoiSearchResultListener() {
       @Override
       public void onGetPoiResult(PoiResult result) {
           // 获取POI检索结果
           if (result == null
                   || result.error == SearchResult.ERRORNO.RESULT_NOT_FOUND) {
               // Toast.makeText(SearchOnMap.this,
               // getResources().getString(R.string.search_map_no_key_info)/*"未搜索到相关信息！请更换其他关键字"*/,
               // 15)
               // .show();
               return;// searchResult.getAllPoi().get(position).name
           }

           List<MyLocationModel> mList = new ArrayList<MyLocationModel>();
           for (int i = 0; i < result.getAllPoi().size(); i++) {// 将搜索数据设置到适配器

               PoiInfo pf = result.getAllPoi().get(i);
               Log.i("after", "    实际数据           " + pf.address
                       + "          " + pf.city + "           " + pf.name
                       + "     ");
               MyLocationModel mData = new MyLocationModel(pf, true);
               Log.i("after", "onGetPoiResult            " + mData.toString());

               mList.add(mData);

           }
           if (isRefreshTop) {
               topAdapter.setData(true, mList);
               topAdapter.notifyDataSetChanged();
           } else {
               buttomAdater.setData(true, mList);
               buttomAdater.notifyDataSetChanged();
           }

           if (result.error == SearchResult.ERRORNO.NO_ERROR) {
               return;
           } else {
               Toast.makeText(
                       GetLocationActivity.this,
                       getResources().getString(
                               R.string.search_map_search_error)/* "搜索出错，请稍后再试！" */,
                       15).show();
           }
       }

       @Override
       public void onGetPoiDetailResult(PoiDetailResult result) {
           // 获取Place详情页检索结果
       }
   };

   @Override
   public void onClick(View v) {
       // TODO Auto-generated method stub
       switch (v.getId()) {
       case R.id.iv_refresh:
           iv_refresh.setClickable(false);
           isRefreshTop = false;
           current_addfess.setText("正在定位...");
           startBaiduLocation();
           break;
       case R.id.iv_search:
//           iv_search.setClickable(false);
           isRefreshTop = true;
           String strCity = current_city.getText().toString();
           String strSearchWord = input_position.getText().toString().trim();
           if (TextUtils.isEmpty(strSearchWord)) {
               return;
           }
           isRefreshTop = true;
           // mSuggestionSearch.requestSuggestion((new
           // SuggestionSearchOption())
           // .keyword(strSearchWord+",").city(strCity));
           mPoiSearch.searchInCity((new PoiCitySearchOption()).city(strCity)
                   .keyword(strSearchWord).pageNum(0));
           break;
       case R.id.release_content_back:
//           startActivity(new Intent(this, StartApp.class));
           finish();
           break;

       default:
           break;
       }
   }

   @Override
   public void onGetSuggestionResult(SuggestionResult res) { //这种方式也可以实现
       // TODO Auto-generated method stub
       if (res == null || res.getAllSuggestions() == null) {
           return;
       }
       List<MyLocationModel> mList = new ArrayList<MyLocationModel>();
       for (SuggestionResult.SuggestionInfo info : res.getAllSuggestions()) {

           if (info.key != null)
               Log.i("after", "onGetSuggestionResult            " + info.key
                       + "           " + info.district + "           "
                       + info.city);
           MyLocationModel mData = new MyLocationModel();
           mData.setAddressDetail("" + info.key);
           mData.setCityName("" + info.city + info.district);
           mList.add(mData);

       }
       buttomAdater.setData(true, mList);
       buttomAdater.notifyDataSetChanged();

   }

   // 首次进入后定位
   private LocationClient mLocationClient;

   public void startBaiduLocation() {
       // Log.i("after", "StartLocation S");

       mLocationClient = new LocationClient(getApplicationContext());
       try {
           // if (!isOpenLocation) // 如果没有打开
           // {
           LocationClientOption option = new LocationClientOption();
           option.setLocationMode(LocationMode.Hight_Accuracy);// 设置定位模式
           option.setCoorType("bd09ll");// 返回的定位结果是百度经纬度,默认值gcj02
           option.setScanSpan(5000);// 设置发起定位请求的间隔时间为5000ms
           option.setIsNeedAddress(true);// 返回的定位结果包含地址信息
           option.setNeedDeviceDirect(true);// 返回的定位结果包含手机机头的方向;
           option.setOpenGps(true);// 设置是否打开gps，使用gps前提是用户硬件打开gps。默认是不打开gps的
           option.setProdName(HJAppConfig.CookieName + "Lo");// 设置产品线名称。强烈建议您使用自定义的产品线名称，方便我们以后为您提供更高效准确的定位服务。
           mLocationClient.setLocOption(option);

           mLocationClient.registerLocationListener(this);// 注册监听函数

           // isOpenLocation = true; // 标识为已经打开了定位
           mLocationClient.start();

           Log.i("after", "StartLocation Success");
           // }
       } catch (Exception e) {
           Log.i("after", "打开定位异常" + e.toString());
           iv_refresh.setClickable(true);
       }

       Log.i("after", "StartLocation E");
   }

   // 定位回调方法
   @Override
   public void onReceiveLocation(BDLocation arg0) {// /设置刷新并且开启搜索 ,然后停止
       // TODO Auto-generated method stub
       // addressDetail = location.getAddrStr();
       // cityName = location.getCity();
       // Street = location.getStreet() + location.getStreetNumber();
       // current_addfess, current_city;
       if (arg0 != null) {
           isRefreshTop = false;
           current_addfess.setText("" + arg0.getAddrStr());
           current_city.setText("" + arg0.getCity());
           // 开启搜索
           mPoiSearch.searchInCity((new PoiCitySearchOption())
                   .city("" + arg0.getCity()).keyword("" + arg0.getAddrStr())
                   .pageNum(0));
           mLocationClient.stop();
       } else {

       }
       iv_refresh.setClickable(true);

   }

   @Override
   protected void onDestroy() {
       // TODO Auto-generated method stub
       super.onDestroy();
       mLocationClient.unRegisterLocationListener(this);
       mLocationClient.stop();
   }

   public class PositionAdapter extends BaseAdapter {
       List<MyLocationModel> mList = new ArrayList<MyLocationModel>();

       public void setData(boolean isClear, List<MyLocationModel> data) {
           if (isClear) {
               mList.clear();
               mList.addAll(data);
           } else {
               mList.addAll(data);
           }
       }

       @Override
       public int getCount() {
           // TODO Auto-generated method stub
           return mList != null ? mList.size() : 0;
       }

       @Override
       public Object getItem(int position) {
           // TODO Auto-generated method stub
           return null;
       }

       @Override
       public long getItemId(int position) {
           // TODO Auto-generated method stub
           return 0;
       }

       @Override
       public View getView(int position, View convertView, ViewGroup parent) {
           // TODO Auto-generated method stub
           ViewHolder holder = null;
           if (convertView == null) {
               convertView = LayoutInflater.from(
                       GetLocationActivity.this.getApplicationContext())
                       .inflate(R.layout.nearlist_item, null);
               holder = new ViewHolder();
               holder.tv_title = (TextView) convertView
                       .findViewById(R.id.tv_title);
               holder.tv_content = (TextView) convertView
                       .findViewById(R.id.tv_content);
               convertView.setTag(holder);
           } else {
               holder = (ViewHolder) convertView.getTag();
           }
           // PoiInfo mPoiInfo=
           final MyLocationModel myModle = mList.get(position);
           holder.tv_title.setText("" + myModle.getAddressDetail());
           holder.tv_content.setText("" + myModle.getCityName()
                   + myModle.getAreaName());
//           convertView.setOnClickListener(new OnClickListener() {
//
//               @Override
//               public void onClick(View v) {
//                   // TODO Auto-generated method stub
//               }
//           });
           return convertView;
       }

   }

   public class ViewHolder {
       TextView tv_title;
       TextView tv_content;
   }

}