package com.njupt.bmap_helloworld;import com.baidu.mapapi.BMapManager;import com.baidu.mapapi.GeoPoint;import com.baidu.mapapi.MKAddrInfo;import com.baidu.mapapi.MKBusLineResult;import com.baidu.mapapi.MKDrivingRouteResult;import com.baidu.mapapi.MKGeneralListener;import com.baidu.mapapi.MKPlanNode;import
 
 com.baidu.mapapi.MKPoiInfo;import com.baidu.mapapi.MKPoiResult;import com.baidu.mapapi.MKSearch;import com.baidu.mapapi.MKSearchListener;import com.baidu.mapapi.MKSuggestionResult;import com.baidu.mapapi.MKTransitRouteResult;import com.baidu.mapapi.MKWalkingRouteResult;import com.baidu.mapapi.MapActivity;import
 
 com.baidu.mapapi.MapController;import com.baidu.mapapi.MapView;import com.baidu.mapapi.PoiOverlay;import com.baidu.mapapi.RouteOverlay;import com.baidu.mapapi.TransitOverlay;import android.os.Bundle;import android.app.Activity;import android.view.Menu;import android.widget.Toast;public class MainActivity
 
 extends MapActivity { private MapView mapView;//百度地圖的相關控制元件 private BMapManager bMapManager;//載入地圖的引擎 private String keyString = "04763B1D8C925195965E838C6E59DB767DAE4BA7";//百度地圖的key private MapController mapController;//在百度地圖上新增一些控制元件,比如放大或縮小控制元件  private MKSearch mkSearch; private MKPlanNode start; private MKPlanNode end;  @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.main);    mapView = (MapView) findViewById(R.id.bmapView);  bMapManager = new BMapManager(MainActivity.this);    //必須要載入key  bMapManager.init(keyString, new MKGeneralListener() {      @Override   public void onGetPermissionState(int arg0) {    if(arg0 == 300){     Toast.makeText(MainActivity.this, "輸入的key有誤,請核實...", 1).show();    }   }      @Override   public void onGetNetworkState(int arg0) {    // TODO Auto-generated method stub       }  });    initMapActivity(bMapManager);  mapView.setBuiltInZoomControls(true);//表示可以設定縮放功能  mkSearch = new MKSearch();  mkSearch.init(bMapManager, new MySearchListener());  /**   * 根據中心點、半徑與檢索詞發起周邊檢索   * 第一個是查詢的名稱,第二個引數是構建一個GeoPoint點,第三個引數是查詢的半徑   *///  mkSearch.poiSearchNearBy("清華大學", new GeoPoint((int)(39.915*1E6), (int)(116.404*1E6)), 5000);       start = new MKPlanNode();  start.pt = new GeoPoint((int)(39.915*1E6), (int)(116.404*1E6));    end = new MKPlanNode();  end.pt = new GeoPoint(40057031, 116307852);    mkSearch.transitSearch("北京", start, end);   } public class MySearchListener implements MKSearchListener{  @Override  public void onGetAddrResult(MKAddrInfo arg0, int arg1) {   // TODO Auto-generated method stub     }  //獲取公交線路的詳情  @Override  public void onGetBusDetailResult(MKBusLineResult arg0, int arg1) {   if(arg0 == null || arg1 != 0){    Toast.makeText(MainActivity.this, "對不起,未找到結果!", 0).show();    return ;   }      RouteOverlay routeOverlay = new RouteOverlay(MainActivity.this, mapView);   routeOverlay.setData(arg0.getBusRoute());//獲得公交線路圖   mapView.getOverlays().clear();//清楚公交站點的標識   mapView.getOverlays().add(routeOverlay);   mapView.invalidate();   //以動畫形式描述公交站點   mapView.getController().animateTo(arg0.getBusRoute().getStart());  }  @Override  public void onGetDrivingRouteResult(MKDrivingRouteResult arg0, int arg1) {   // TODO Auto-generated method stub     }  //獲取公交線路的UID，並根據此UID來發起公交線路詳情的檢索  @Override  public void onGetPoiResult(MKPoiResult result, int type, int iError) {   if(result == null || iError != 0){    return ;   }      //定義一個公交線路描述類   MKPoiInfo mkPoiInfo = null;   int totalPoiNum = result.getNumPois();//獲取本地檢索公交線路的總站點數   for(int i = 0 ; i < totalPoiNum ; ++i){    mkPoiInfo = result.getPoi(i);    if(mkPoiInfo.ePoiType == 2){//如果該站點是公交站點     break;    }   }      mkSearch.busLineSearch("北京", mkPoiInfo.uid);  }  @Override  public void onGetSuggestionResult(MKSuggestionResult arg0, int arg1) {   // TODO Auto-generated method stub     }  @Override  public void onGetTransitRouteResult(MKTransitRouteResult arg0, int arg1) {   if(arg0 == null){    return;   }      int planNum = arg0.getNumPlan();   for(int i = 0 ; i < planNum ; ++i){//獲得所有的駕車路線圖    TransitOverlay overlay = new TransitOverlay(MainActivity.this, mapView);    overlay.setData(arg0.getPlan(i));    mapView.getOverlays().add(overlay);   }   mapView.invalidate();//重新整理地圖資料   mapView.getController().animateTo(arg0.getStart().pt);  }  @Override  public void onGetWalkingRouteResult(MKWalkingRouteResult arg0, int arg1) {   // TODO Auto-generated method stub     }   } @Override protected void onDestroy() {  super.onDestroy();    if(bMapManager != null){   bMapManager.destroy();   bMapManager = null;  } }  @Override protected void onResume() {  super.onResume();    if(bMapManager != null){   bMapManager.start();  } }  @Override protected void onPause() {  super.onPause();    if(bMapManager != null){   bMapManager.stop();  } } @Override protected boolean isRouteDisplayed() {  // TODO Auto-generated method stub  return false; } @Override public boolean onCreateOptionsMenu(Menu menu) {  // Inflate the menu; this adds items to the action bar if it is present.  getMenuInflater().inflate(R.menu.main, menu);  return true; }}