Android实现带列表的地图POI周边搜索功能

<LinearLayout  xmlns:android="http://schemas.android.com/apk/res/android"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:orientation="vertical"  >  <com.amap.api.maps2d.MapView    android:id="@+id/map_local"    android:layout_width="match_parent"    android:layout_height="0dp"    android:layout_weight="2"/>  <ListView    android:id="@+id/map_list"    android:layout_width="match_parent"    android:layout_height="0dp"    android:layout_weight="3"    android:divider="@color/space"    android:dividerHeight="1dp"    android:scrollbars="none"/></LinearLayout>

public class New_LocalActivity extends Activity implements LocationSource,    AMapLocationListener, AMap.OnCameraChangeListener, PoiSearch.OnPoiSearchListener {  @BindView(R.id.map_local)  MapView mapView;  @BindView(R.id.map_list)  ListView mapList;  public static final String KEY_LAT = "lat";  public static final String KEY_LNG = "lng";  public static final String KEY_DES = "des";  private AMapLocationClient mLocationClient;  private LocationSource.OnLocationChangedListener mListener;  private LatLng latlng;  private String city;  private AMap aMap;  private String deepType = "";// poi搜索类型  private PoiSearch.Query query;// Poi查询条件类  private PoiSearch poiSearch;  private PoiResult poiResult; // poi返回的结果  private PoiOverlay poiOverlay;// poi图层  private List<PoiItem> poiItems;// poi数据  private PoiSearch_adapter adapter;  @Override  protected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_new__local);    ButterKnife.bind(this);    mapView.onCreate(savedInstanceState);    init();  }  private void init() {    if (aMap == null) {      aMap = mapView.getMap();      aMap.setOnCameraChangeListener(this);      setUpMap();    }    deepType = "餐饮";//这里以餐饮为例  }  //-------- 定位 Start ------  private void setUpMap() {    if (mLocationClient == null) {      mLocationClient = new AMapLocationClient(getApplicationContext());      AMapLocationClientOption mLocationOption = new AMapLocationClientOption();      //设置定位监听      mLocationClient.setLocationListener(this);      //设置为高精度定位模式      mLocationOption.setOnceLocation(true);      mLocationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy);      //设置定位参数      mLocationClient.setLocationOption(mLocationOption);      mLocationClient.startLocation();    }    // 自定义系统定位小蓝点    MyLocationStyle myLocationStyle = new MyLocationStyle();    myLocationStyle.myLocationIcon(BitmapDescriptorFactory        .fromResource(R.drawable.location_marker));// 设置小蓝点的图标    myLocationStyle.strokeColor(Color.BLACK);// 设置圆形的边框颜色    myLocationStyle.radiusFillColor(Color.argb(100, 0, 0, 180));// 设置圆形的填充颜色    myLocationStyle.strokeWidth(1.0f);// 设置圆形的边框粗细    aMap.setMyLocationStyle(myLocationStyle);    aMap.setLocationSource(this);// 设置定位监听    aMap.getUiSettings().setMyLocationButtonEnabled(true);// 设置默认定位按钮是否显示    aMap.setMyLocationEnabled(true);// 设置为true表示显示定位层并可触发定位，false表示隐藏定位层并不可触发定位，默认是false  }  /**   * 开始进行poi搜索   */  protected void doSearchQuery() {    aMap.setOnMapClickListener(null);// 进行poi搜索时清除掉地图点击事件    int currentPage = 0;    query = new PoiSearch.Query("", deepType, city);// 第一个参数表示搜索字符串，第二个参数表示poi搜索类型，第三个参数表示poi搜索区域（空字符串代表全国）    query.setPageSize(20);// 设置每页最多返回多少条poiitem    query.setPageNum(currentPage);// 设置查第一页    LatLonPoint lp = new LatLonPoint(latlng.latitude, latlng.longitude);    poiSearch = new PoiSearch(this, query);    poiSearch.setOnPoiSearchListener(this);    poiSearch.setBound(new PoiSearch.SearchBound(lp, 5000, true));    // 设置搜索区域为以lp点为圆心，其周围2000米范围    poiSearch.searchPOIAsyn();// 异步搜索  }  @Override  public void onLocationChanged(AMapLocation aMapLocation) {    if (mListener != null && aMapLocation != null) {      if (aMapLocation.getErrorCode() == 0) {        // 显示我的位置        mListener.onLocationChanged(aMapLocation);        //设置第一次焦点中心        latlng = new LatLng(aMapLocation.getLatitude(), aMapLocation.getLongitude());        aMap.animateCamera(CameraUpdateFactory.newLatLngZoom(latlng, 14), 1000, null);        city = aMapLocation.getProvince();        doSearchQuery();      } else {        String errText = "定位失败," + aMapLocation.getErrorCode() + ": " + aMapLocation.getErrorInfo();        Log.e("AmapErr", errText);      }    }  }  @Override  public void activate(OnLocationChangedListener listener) {    mListener = listener;    mLocationClient.startLocation();  }  @Override  public void deactivate() {    mListener = null;    if (mLocationClient != null) {      mLocationClient.stopLocation();      mLocationClient.onDestroy();    }    mLocationClient = null;  }  @Override  public void onCameraChange(CameraPosition cameraPosition) {  }  @Override  public void onCameraChangeFinish(CameraPosition cameraPosition) {    latlng = cameraPosition.target;    aMap.clear();    aMap.addMarker(new MarkerOptions().position(latlng));    doSearchQuery();  }  @Override  public void onPoiSearched(PoiResult result, int rCode) {    if (rCode == 0) {      if (result != null && result.getQuery() != null) {// 搜索poi的结果        if (result.getQuery().equals(query)) {// 是否是同一条          poiResult = result;          poiItems = poiResult.getPois();// 取得第一页的poiitem数据，页数从数字0开始          List<SuggestionCity> suggestionCities = poiResult              .getSearchSuggestionCitys();          if (poiItems != null && poiItems.size() > 0) {            adapter = new PoiSearch_adapter(this, poiItems);            mapList.setAdapter(adapter);            mapList.setOnItemClickListener(new mOnItemClickListener());           }          }          else {            Logger.d("无结果");          }        }      } else {        Logger.e("无结果");      }    } else if (rCode == 27) {      Logger.e("error_network");    } else if (rCode == 32) {      Logger.e("error_key");    } else {      Logger.e("error_other：" + rCode);    }  }  @Override  public void onPoiItemSearched(PoiItem poiItem, int i) {  }  //-------- 定位 End ------  @Override  protected void onResume() {    super.onResume();    mLocationClient.startLocation();  }  @Override  protected void onPause() {    super.onPause();    mLocationClient.stopLocation();  }  @Override  protected void onDestroy() {    mLocationClient.onDestroy();    super.onDestroy();  }  private class mOnItemClickListener implements AdapterView.OnItemClickListener {    @Override    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {      Intent intent = new Intent();      intent.putExtra(KEY_LAT, poiItems.get(position).getLatLonPoint().getLatitude());      intent.putExtra(KEY_LNG, poiItems.get(position).getLatLonPoint().getLongitude());      intent.putExtra(KEY_DES, poiItems.get(position).getTitle());      setResult(RESULT_OK, intent);      finish();    }  }