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;
    }

}