Android(安卓)百度地图-实现POI的搜索(搜索周边)

001 package com.lbsproject;

002

003 import java.util.ArrayList;

004

005 import android.content.Context;

006 import android.graphics.Canvas;

007 import android.graphics.Color;

008 import android.graphics.Paint;

009 import android.graphics.Point;

010 import android.graphics.drawable.Drawable;

011 import android.location.Criteria;

012 import android.location.Location;

013 import android.location.LocationManager;

014 import android.os.Bundle;

015 import android.util.Log;

016 import android.view.Menu;

017 import android.view.MenuItem;

018 import android.view.MotionEvent;

019 import android.view.View;

020 import android.widget.Button;

021 import android.widget.EditText;

022 import android.widget.Toast;

023

024 import com.baidu.mapapi.BMapManager;

025 import com.baidu.mapapi.GeoPoint;

026 import com.baidu.mapapi.LocationListener;

027 import com.baidu.mapapi.MKAddrInfo;

028 import com.baidu.mapapi.MKDrivingRouteResult;

029 import com.baidu.mapapi.MKPoiResult;

030 import com.baidu.mapapi.MKSearch;

031 import com.baidu.mapapi.MKSearchListener;

032 import com.baidu.mapapi.MKTransitRouteResult;

033 import com.baidu.mapapi.MKWalkingRouteResult;

034 import com.baidu.mapapi.MapActivity;

035 import com.baidu.mapapi.MapController;

036 import com.baidu.mapapi.MapView;

037 import com.baidu.mapapi.MyLocationOverlay;

038 import com.baidu.mapapi.Overlay;

039 import com.baidu.mapapi.PoiOverlay;

040 import com.baidu.mapapi.Projection;

041 import com.lbsproject.LBSProjectActivity.GetOverlay;

042

043 public classLBSProjectActivity extendsMapActivity {

044 protectedstatic final String TAG = null;

045 privateBMapManager mapManager;

046 privateMapView mapView;

047 privateMapController mapController;

048 privateMKSearch mSearch = null;

049 privateGeoPoint geoPoint = new GeoPoint(122084095, 37422006);;

050 LocationListener mLocationListener =null;

051 MyLocationOverlay mLocationOverlay =null;

052 privateEditText editCity;

053 privateEditText editGeoCodeKey;

054 privateEditText areaText;

055 privateGetOverlay getOverlay;

056

057 @Override

058 publicvoid onCreate(Bundle savedInstanceState) {

059 super.onCreate(savedInstanceState);

060 setContentView(R.layout.main);

061

062 getInitLoc();// 程序打开时候获取当前位置显示地图上

063 mapManager =new BMapManager(getApplication());

064

065 // init方法的第一个参数需填入申请的APIKey

066 mapManager.init("2150650BE0DCF874994B845CEC7B60A0518E6AFE",null);

067 super.initMapActivity(mapManager);

068 mapView = (MapView) findViewById(R.id.mapView);

069 mapView.setBuiltInZoomControls(true);

070 mapView.setDrawOverlayWhenZooming(true);

071

072 // 添加定位图层

073 mLocationOverlay =new MyLocationOverlay(this, mapView);

074 mapView.getOverlays().add(mLocationOverlay);

075 getOverlay =new GetOverlay();

076 mapView.getOverlays().add(getOverlay);

077

078 gotoLocate();

079

080 Button buttonGetPos = (Button) findViewById(R.id.buttonGetPos);//获取"我的位置的方法"

081 buttonGetPos.setOnClickListener(newView.OnClickListener() {

082

083 publicvoid onClick(View v) {

084 getInitLoc();

085 gotoLocate();

086 }

087 });

088

089 editCity = (EditText) findViewById(R.id.editTextCity);

090 editGeoCodeKey = (EditText) findViewById(R.id.editTextAera);

091 Button buttonSearchCity = (Button) findViewById(R.id.buttonSearchCity);

092 buttonSearchCity.setOnClickListener(newView.OnClickListener() {//点击按钮定位需要去的地方

093

094 @Override

095 publicvoid onClick(View v) {

096

097 mSearch.geocode(editGeoCodeKey.getText().toString(), editCity

098 .getText().toString());

099 // mapView.getOverlays().add(getOverlay);

100

101 }

102 });

103 areaText = (EditText) findViewById(R.id.searchKeywords);

104 Button buttonSearchArea = (Button) findViewById(R.id.buttonSearchArea);

105 buttonSearchArea.setOnClickListener(newView.OnClickListener() {

106

107 @Override

108 publicvoid onClick(View v) {

109

110

111 mSearch.poiSearchNearBy(areaText.getText().toString(),// 搜索XX附近5000米范围的XXX

112 geoPoint,5000);

113

114 }

115 });

116

117 // 注册定位事件

118 mLocationListener =new LocationListener() {

119 publicvoid onLocationChanged(Location location) {

120 if(location != null) {

121 Log.i(TAG,"" + location.getLatitude());

122 Log.i(TAG,"" + location.getLongitude());

123 geoPoint =new GeoPoint(

124 (int) (location.getLatitude() * 1e6),

125 (int) (location.getLongitude() * 1e6));

126 gotoLocate();

127 }

128 }

129

130 };

131

132 mSearch =new MKSearch();//搜索服务类

133 mSearch.init(mapManager,new MKSearchListener() {

134 publicvoid onGetAddrResult(MKAddrInfo res,int error) {

135 if(error != 0) {

136 String str = String.format("错误号：%d", error);

137 Toast.makeText(LBSProjectActivity.this, str,

138 Toast.LENGTH_LONG).show();

139 return;

140 }

141

142 mapView.getController().animateTo(res.geoPt);

143

144 // String strInfo = String.format("纬度：%f 经度：%f\r\n",

145 // res.geoPt.getLatitudeE6() / 1e6,

146 // res.geoPt.getLongitudeE6() / 1e6);

147

148 geoPoint = res.geoPt;

149

150 // Toast.makeText(LBSProjectActivity.this, strInfo,

151 // Toast.LENGTH_LONG).show();

152 Drawable marker = getResources().getDrawable(

153 R.drawable.iconmarka);// 得到需要标在地图上的资源

154 marker.setBounds(0,0, marker.getIntrinsicWidth(),

155 marker.getIntrinsicHeight());// 为maker定义位置和边界

156 mapView.getOverlays().clear();

157 mapView.getOverlays().add(getOverlay);

158 mapView.getOverlays().add(

159 newOverItemT(marker, LBSProjectActivity.this,

160 res.geoPt, res.strAddr));

161 }

162

163 publicvoid onGetPoiResult(MKPoiResult res,int type, interror) {

164 if(res == null) {

165 Log.d("onGetPoiResult","the onGetPoiResult res is " + type

166 +"__" + error);

167 }else

168 Log.d("onGetPoiResult",

169 "the onGetPoiResult res is "

170 + res.getCurrentNumPois() +"__"

171 + res.getNumPages() +"__"

172 + res.getNumPois() +"__" + type + "__"

173 + error);

174

175 // 错误号可参考MKEvent中的定义

176 if(error != 0 || res == null) {

177 Log.d("onGetPoiResult","the onGetPoiResult res 0 ");

178 Toast.makeText(LBSProjectActivity.this,"抱歉，未找到结果",

179 Toast.LENGTH_LONG).show();

180 return;

181 }

182

183 ArrayList<MKPoiResult> poiResult = res.getMultiPoiResult();

184 if(poiResult != null)

185 Log.d("onGetPoiResult","the onGetPoiResult res 1__"

186 + poiResult.size());

187 // 将地图移动到第一个POI中心点

188 if(res.getCurrentNumPois() > 0) {

189 Log.d("onGetPoiResult","the onGetPoiResult res 2");

190 // 将poi结果显示到地图上

191 PoiOverlay poiOverlay =new PoiOverlay(

192 LBSProjectActivity.this, mapView);

193 poiOverlay.setData(res.getAllPoi());

194 mapView.getOverlays().clear();

195 mapView.getOverlays().add(getOverlay);

196 mapView.getOverlays().add(poiOverlay);

197 mapView.invalidate();

198 mapView.getController().animateTo(res.getPoi(0).pt);

199 }else if (res.getCityListNum() > 0) {

200 Log.d("onGetPoiResult","the onGetPoiResult res 3");

201 String strInfo ="在";

202 for(int i = 0; i < res.getCityListNum(); i++) {

203 strInfo += res.getCityListInfo(i).city;

204 strInfo +=",";

205 }

206 strInfo +="找到结果";

207 Toast.makeText(LBSProjectActivity.this, strInfo,

208 Toast.LENGTH_LONG).show();

209 }

210

211 Log.d("onGetPoiResult","the onGetPoiResult res 4");

212

213 }

214

215 publicvoid onGetDrivingRouteResult(MKDrivingRouteResult res,

216 interror) {

217 }

218

219 publicvoid onGetTransitRouteResult(MKTransitRouteResult res,

220 interror) {

221 }

222

223 publicvoid onGetWalkingRouteResult(MKWalkingRouteResult res,

224 interror) {

225 }

226

227 });

228

229 }

230

231 privatevoid gotoLocate() {// 获取所在位置

232 Drawable marker = getResources().getDrawable(R.drawable.iconmarka);// 得到需要标在地图上的资源

233 marker.setBounds(0,0, marker.getIntrinsicWidth(),

234 marker.getIntrinsicHeight());// 为maker定义位置和边界

235 mapView.getOverlays().clear();

236 mapView.getOverlays().add(getOverlay);

237 mapView.getOverlays().add(

238 newOverItemT(marker, LBSProjectActivity.this, geoPoint,""));

239

240 mapView.getController().animateTo(geoPoint);

241 mapController = mapView.getController();

242 // 设置地图的中心

243 mapController.setCenter(geoPoint);

244 // 设置地图默认的缩放级别

245 mapController.setZoom(16);

246 }

247

248 privatevoid getInitLoc() {// 初始化时候获取坐标

249 try{

250

251 LocationManager locationManager;

252 String context = Context.LOCATION_SERVICE;

253 locationManager = (LocationManager) getSystemService(context);

254 // String provider = LocationManager.GPS_PROVIDER;

255

256 Criteria criteria =new Criteria();

257 criteria.setAccuracy(Criteria.ACCURACY_FINE);

258 criteria.setAltitudeRequired(false);

259 criteria.setBearingRequired(false);

260 criteria.setCostAllowed(true);

261 criteria.setPowerRequirement(Criteria.POWER_LOW);

262 String provider = locationManager.getBestProvider(criteria,true);

263 Location location = locationManager.getLastKnownLocation(provider);

264 geoPoint =new GeoPoint((int) (location.getLatitude() * 1e6),

265 (int) (location.getLongitude() * 1e6));

266 } catch (Exception e) {

267 // TODO: handle exception

268 }

269 }

270

271 @Override

272 protectedboolean isRouteDisplayed() {

273 returnfalse;

274 }

275

276 @Override

277 protectedvoid onDestroy() {

278 if(mapManager != null) {

279 // 程序退出前需调用此方法

280 mapManager.destroy();

281 mapManager =null;

282 }

283 super.onDestroy();

284 }

285

286 @Override

287 protectedvoid onPause() {

288 if(mapManager != null) {

289 // 终止百度地图API

290 mapManager.getLocationManager().removeUpdates(mLocationListener);

291 mLocationOverlay.disableMyLocation();

292 mLocationOverlay.disableCompass();// 关闭指南针

293 mapManager.stop();

294 }

295 super.onPause();

296 }

297

298 @Override

299 protectedvoid onResume() {

300 if(mapManager != null) {

301 // 开启百度地图API

302 // 注册定位事件，定位后将地图移动到定位点

303 mapManager.getLocationManager().requestLocationUpdates(

304 mLocationListener);

305 mLocationOverlay.enableMyLocation();

306 mLocationOverlay.enableCompass();// 打开指南针

307 mapManager.start();

308 }

309 super.onResume();

310 }

311

312 /**

313 * * 实现MKSearchListener接口,用于实现异步搜索服务 * @author liufeng

314 */

315 publicclass MySearchListener implementsMKSearchListener {

316

317 publicvoid onGetAddrResult(MKAddrInfo result,int iError) {

318 }

319

320 publicvoid onGetDrivingRouteResult(MKDrivingRouteResult result,

321 intiError) {

322 }

323

324 /**

325 * * POI搜索结果（范围检索、城市POI检索、周边检索） * * @param result 搜索结果 * @param type

326 * 返回结果类型（11,12,21:poi列表 7:城市列表） * @param iError 错误号（0表示正确返回）

327 */

328 @Override

329 publicvoid onGetPoiResult(MKPoiResult result,int type, intiError) {

330 if(result == null) {

331 return;

332 }

333 // PoiOverlay是baidu map api提供的用于显示POI的Overlay

334 PoiOverlay poioverlay =new PoiOverlay(LBSProjectActivity.this,

335 mapView);

336 // 设置搜索到的POI数据

337 poioverlay.setData(result.getAllPoi());

338 // 在地图上显示PoiOverlay（将搜索到的兴趣点标注在地图上）

339 mapView.getOverlays().add(poioverlay);

340 }

341

342

343 publicvoid onGetTransitRouteResult(MKTransitRouteResult result,

344 intiError) {

345 }

346

347

348 publicvoid onGetWalkingRouteResult(MKWalkingRouteResult result,

349 intiError) {

350 }

351 }

352

353 classGetOverlay extends Overlay {

354 GeoPoint geo;

355

356 @Override

357 publicvoid draw(Canvas canvas, MapView gmapView,boolean arg2) {

358 super.draw(canvas, mapView, arg2);

359 if(geo == null) {

360 return;

361 }

362 Log.i("11111111111111111111", arg2 +"-------draw--");

363 }

364

365 @Override

366 publicboolean onTap(GeoPoint geo, MapView arg1) {

367 geoPoint = geo;

368 Drawable marker = getResources().getDrawable(R.drawable.iconmarka);// 得到需要标在地图上的资源

369 marker.setBounds(0,0, marker.getIntrinsicWidth(),

370 marker.getIntrinsicHeight());// 为maker定义位置和边界

371 mapView.getOverlays().clear();

372 mapView.getOverlays().add(getOverlay);

373 mapView.getOverlays()

374 .add(newOverItemT(marker, LBSProjectActivity.this,

375 geoPoint,""));

376 Log.i("11111111111111111111", geo.getLongitudeE6() / 1E6

377 +"----------" + geo.getLatitudeE6() / 1E6);

378 returnsuper.onTap(geo, arg1);

379 }

380

381 }

382

383 privatestatic final int TOOLBAR0 = 0;

384 privatestatic final int TOOLBAR1 = 1;

385 privatestatic final int TOOLBAR2 = 2;

386 privatestatic final int TOOLBAR3 = 3;

387

388 publicboolean onCreateOptionsMenu(Menu menu) {

389 menu.add(0, TOOLBAR0,1, "KTV").setIcon(

390 android.R.drawable.ic_btn_speak_now);

391 menu.add(0, TOOLBAR1,2, "学校").setIcon(

392 android.R.drawable.ic_menu_myplaces);

393 menu.add(0, TOOLBAR2,3, "餐厅").setIcon(

394 android.R.drawable.ic_menu_my_calendar);

395 menu.add(0, TOOLBAR3,4, "公园").setIcon(

396 android.R.drawable.ic_menu_gallery);

397 returnsuper.onCreateOptionsMenu(menu);

398 }

399

400 @Override

401 publicboolean onOptionsItemSelected(MenuItem item) {

402 switch(item.getItemId()) {

403 case0:

404 mSearch.poiSearchNearBy("KTV", geoPoint,5000);//搜索ktv

405 break;

406 case1:

407 mSearch.poiSearchNearBy("学校", geoPoint,5000);//.搜索学校

408 break;

409 case2:

410 mSearch.poiSearchNearBy("餐厅", geoPoint,5000);//搜索餐厅

411 break;

412 case3:

413 mSearch.poiSearchNearBy("公园", geoPoint,5000);//搜索公园

414 break;

415 }

416

417 returnsuper.onOptionsItemSelected(item);

418 }

419

420 }

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