百度地图之八查询某一路公交路线详细搜索

公交路线详细搜索

如何检索某一城市的公交路线图

实战案例：检索北京市公交路线717的路线

主要代码：

import com.baidu.mapapi.BMapManager;import com.baidu.mapapi.MKAddrInfo;import com.baidu.mapapi.MKBusLineResult;import com.baidu.mapapi.MKDrivingRouteResult;import com.baidu.mapapi.MKGeneralListener;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.MapView;import com.baidu.mapapi.RouteOverlay;import com.baidu.mapapi.TransitOverlay;import android.os.Bundle;import android.widget.Toast;public class MainActivity extends MapActivity {    // 添加百度地图的相关控件    private MapView mapView;    // 加载地图的引擎    private BMapManager bMapManager;    // 百度地图的key    private String KeyString = "8C426377B3526B6BF3672C9BA3BB544D1E8289CD";    // 用于位置检索、周边检索、范围检索、公交检索、驾乘检索、步行检索等    private MKSearch mkSearch;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        mapView = (MapView) this.findViewById(R.id.bmapView);        bMapManager = new BMapManager(MainActivity.this);        // 必须要加载key        bMapManager.init(KeyString, new MKGeneralListener() {            public void onGetPermissionState(int arg0) {                            }            public void onGetNetworkState(int arg0) {                if (arg0 == 300) {                    Toast.makeText(MainActivity.this, "输入的key有错，请核实！！", 1).show();                }            }        });        this.initMapActivity(bMapManager);        //实例化地图的查询类        mkSearch = new MKSearch();        mkSearch.init(bMapManager, new MySearchListener());        //城市名,关键字        mkSearch.poiSearchInCity("北京", "300");    }    public class MySearchListener implements MKSearchListener {        public void onGetAddrResult(MKAddrInfo arg0, int arg1) {            // TODO Auto-generated method stub        }        public void onGetBusDetailResult(MKBusLineResult arg0, int arg1) {            // TODO Auto-generated method stub            if(arg0==null||arg1!=0){                Toast.makeText(MainActivity.this, "对不起，未找到结果！！", 1).show();                return;            }            RouteOverlay routeOverlay = new RouteOverlay(MainActivity.this,mapView);            routeOverlay.setData(arg0.getBusRoute());//获得公交线路图            mapView.getOverlays().clear();//清除公交站点的标识            mapView.getOverlays().add(routeOverlay);            mapView.invalidate();            //采用动画形式描述公交站点            mapView.getController().animateTo(arg0.getBusRoute().getStart());        }        public void onGetDrivingRouteResult(MKDrivingRouteResult arg0, int arg1) {            // TODO Auto-generated method stub                    }        /**         * 获得公交线路图的Uid,并且根据此UID来发起公交线路详情的检索         */        public void onGetPoiResult(MKPoiResult result, int type, int iError) {            // TODO Auto-generated method stub            if(result==null||iError!=0){                Toast.makeText(MainActivity.this, "对不起,未找到结果", 1).show();                return;            }            //定义公交线路图的描述类            MKPoiInfo mkPoiInfo = null;            int totalPoiNum  = result.getNumPois();//获得本地检索的公交线路图的总站数            for(int i = 0;i<totalPoiNum;i++){                mkPoiInfo = result.getPoi(i);                //2 公交线路                if(mkPoiInfo.ePoiType==2){                    break;                }            }            mkSearch.busLineSearch("北京", mkPoiInfo.uid);        }        public void onGetRGCShareUrlResult(String arg0, int arg1) {            // TODO Auto-generated method stub        }        public void onGetSuggestionResult(MKSuggestionResult arg0, int arg1) {            // TODO Auto-generated method stub        }        public void onGetTransitRouteResult(MKTransitRouteResult arg0, int arg1) {            // TODO Auto-generated method stub            if(arg0==null){                return;            }            TransitOverlay transiOverlay = new TransitOverlay(MainActivity.this,mapView);            transiOverlay.setData(arg0.getPlan(0));            mapView.getOverlays().add(transiOverlay);            mapView.invalidate();        }        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() {        return false;    }}