鉴于百度地图不计其数的poi兴趣点 很多app在开发的时候都会选择调用百度地图资源
//主界面Activitypackage com.zhuang.search;import java.util.ArrayList;import java.util.List;import com.baidu.mapapi.map.BaiduMap;import com.baidu.mapapi.map.BitmapDescriptor;import com.baidu.mapapi.map.BitmapDescriptorFactory;import com.baidu.mapapi.map.MapView;import com.baidu.mapapi.map.Marker;import com.baidu.mapapi.map.MarkerOptions;import com.baidu.mapapi.map.OverlayOptions;import com.baidu.mapapi.map.Polyline;import com.baidu.mapapi.model.LatLng;import com.baidu.mapapi.overlayutil.OverlayManager;import com.baidu.mapapi.search.core.CityInfo;import com.baidu.mapapi.search.core.PoiInfo;import com.baidu.mapapi.search.poi.OnGetPoiSearchResultListener;import com.baidu.mapapi.search.poi.PoiDetailResult;import com.baidu.mapapi.search.poi.PoiDetailSearchOption;import com.baidu.mapapi.search.poi.PoiNearbySearchOption;import com.baidu.mapapi.search.poi.PoiResult;import com.baidu.mapapi.search.poi.PoiSearch;import com.baidu.mapapi.search.core.SearchResult;import android.os.Bundle;import android.widget.Toast;import android.app.Activity;public class MainActivity extends Activity implements OnGetPoiSearchResultListener{/*** POI周边检索*/private PoiSearch Mpoisearch;private MapView mapView;private BaiduMap Mmap;private double latitude,longitude;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);initView();//开始poi检索//参数 keyword("关键字").radius(半径).location(new LatLng(坐标)))Mpoisearch.searchNearby(new PoiNearbySearchOption().keyword("养生").radius(5000).location(new LatLng(latitude,longitude)));}private void initView() {mapView = (MapView) findViewById(R.id.bmapView);Mmap = mapView.getMap();latitude = Double.parseDouble(SPUtils.getString(MainActivity.this, "latitude",""));longitude = Double.parseDouble(SPUtils.getString(MainActivity.this, "longitude",""));//获取poi检索实例Mpoisearch = PoiSearch.newInstance();//实现检索监听Mpoisearch.setOnGetPoiSearchResultListener(this);}/********************* POI检索结果的方法 ***********************/ public void onGetPoiResult(PoiResult result) {if (result == null|| result.error == SearchResult.ERRORNO.RESULT_NOT_FOUND) {Toast.makeText(MainActivity.this, "未找到结果", Toast.LENGTH_LONG).show();return;}if (result.error == SearchResult.ERRORNO.NO_ERROR) {//清除数据Mmap.clear();//添加poi覆盖物 并添加覆盖物的监听事件MyPoiOverlay overlay = new MyPoiOverlay(Mmap);Mmap.setOnMarkerClickListener(overlay); overlay.setResult(result);overlay.addToMap();overlay.zoomToSpan();return;}if (result.error == SearchResult.ERRORNO.AMBIGUOUS_KEYWORD) {// 当输入关键字在本市没有找到，但在其他城市找到时，返回包含该关键字信息的城市列表String strInfo = "在";for (CityInfo cityInfo : result.getSuggestCityList()) {strInfo += cityInfo.city;strInfo += ",";}strInfo += "找到结果";Toast.makeText(MainActivity.this, strInfo, Toast.LENGTH_LONG).show();}}public void onGetPoiDetailResult(PoiDetailResult result) {if (result.error != SearchResult.ERRORNO.NO_ERROR) {Toast.makeText(MainActivity.this, "抱歉，未找到结果", Toast.LENGTH_SHORT).show();} else {Toast.makeText(MainActivity.this, result.getName() + ":" + result.getAddress(), Toast.LENGTH_SHORT).show();}}//自定义poi检索覆盖物private class MyPoiOverlay extends OverlayManager {private PoiResult result;private boolean flag = false;public void setResult(PoiResult result) { this.result = result;}public MyPoiOverlay(BaiduMap baiduMap) {super(baiduMap);}@Overridepublic boolean onMarkerClick(Marker marker) {onClick(marker.getZIndex());return true;}public boolean onClick(int index) {PoiInfo poi = result.getAllPoi().get(index);//if(poi.hasCaterDetails){Mpoisearch.searchPoiDetail((new PoiDetailSearchOption()).poiUid(poi.uid));// }return true;}@Overridepublic boolean onPolylineClick(Polyline arg0) {return false;}@Overridepublic List<OverlayOptions> getOverlayOptions() {List<OverlayOptions> ops = new ArrayList<OverlayOptions>();List<PoiInfo> pois = result.getAllPoi();OverlayOptions op = null;BitmapDescriptor bitmap = BitmapDescriptorFactory.fromResource(R.drawable.icon_green);BitmapDescriptor bitmap2 = BitmapDescriptorFactory.fromResource(R.drawable.icon_red);for (int i = 0; i < pois.size(); i++) {if(flag){op = new MarkerOptions().position(pois.get(i).location).icon(bitmap); }else{op = new MarkerOptions().position(pois.get(i).location).icon(bitmap2);} ops.add(op); Mmap.addOverlay(op).setZIndex(i);}return ops;}}@Overrideprotected void onPause() {mapView.onPause();super.onPause();}@Overrideprotected void onResume() {mapView.onResume();super.onResume();}@Overrideprotected void onDestroy() {MyApp app = (MyApp) getApplication();app.mLocClient.stop();mapView.onDestroy();mapView = null;super.onDestroy();}}//Applicationpackage com.zhuang.search;import com.baidu.location.BDLocation;import com.baidu.location.BDLocationListener;import com.baidu.location.LocationClient;import com.baidu.location.LocationClientOption;import com.baidu.location.LocationClientOption.LocationMode;import com.baidu.mapapi.SDKInitializer;import android.app.Application;public class MyApp extends Application {public LocationClient mLocClient;@Overridepublic void onCreate() {super.onCreate();//初始化百度地图SDKInitializer.initialize(getApplicationContext());// 开始定位// 创建定位客户端mLocClient = new LocationClient(getApplicationContext());// 注册定位的监听,获取定位的结果mLocClient.registerLocationListener(new BDLocationListener() {// 获取定位结果@Overridepublic void onReceiveLocation(BDLocation location) {//将定位的经纬度存入SharedPreferences// 纬度SPUtils.putString(getApplicationContext(), "latitude", String.valueOf(location.getLatitude()));// 经度SPUtils.putString(getApplicationContext(), "longitude", String.valueOf(location.getLongitude()));}});// 对客户端进行各种配置// 创建定位客户端的选项LocationClientOption options = new LocationClientOption();options.setLocationMode(LocationMode.Hight_Accuracy);// 设置定位模式options.setCoorType("bd09ll");// 返回的定位结果是百度经纬度,默认值gcj02options.setScanSpan(5000);// 设置发起定位请求的间隔时间为5000msoptions.setIsNeedAddress(true);// 返回的定位结果包含地址信息options.setNeedDeviceDirect(true);// 返回的定位结果包含手机机头的方向mLocClient.setLocOption(options);// 开始定位mLocClient.start();}}//sp工具类package com.zhuang.search;import android.content.Context;import android.content.SharedPreferences;public class SPUtils {private static SharedPreferences sharedPreferences;// 存double(上下文,key,value)public static void putString(Context context, String key, String value) {if (sharedPreferences == null) {sharedPreferences = context.getSharedPreferences("config",Context.MODE_PRIVATE);}sharedPreferences.edit().putString(key, value).commit();}// 取public static String getString(Context context, String key, String defValue) {if (sharedPreferences == null) {sharedPreferences = context.getSharedPreferences("config",Context.MODE_PRIVATE);}return sharedPreferences.getString(key, defValue);}}
