Android百度地圖之駕車路線的搜索

 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.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 android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.widget.Toast;
public class MainActivity extends MapActivity {

private MapView mapView;//百度地圖的相關控件
private BMapManager bMapManager;//加載地圖的引擎
private String keyString = "04763B1D8C925195965E838C6E59DB767DAE4BA7";//百度地圖的key
private MapController mapController;//在百度地圖上添加一些控件,比如放大或縮小控件

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);

    //必須要加載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);//表示可以設置縮放功能
    mapController = mapView.getController();
    mapController.setZoom(12);//設置縮放級別

    mkSearch = new MKSearch();
    mkSearch.init(bMapManager, new MySearchListener());

    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.setDrivingPolicy(MKSearch.EBUS_TIME_FIRST);
    mkSearch.drivingSearch(null, start, null, end);
}

public class MySearchListener implements MKSearchListener{

    @Override
    public void onGetAddrResult(MKAddrInfo arg0, int arg1) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onGetBusDetailResult(MKBusLineResult arg0, int arg1) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onGetDrivingRouteResult(MKDrivingRouteResult arg0, int arg1) {
        if(arg0 == null){
            return ;
        }

        RouteOverlay routeOverlay = new RouteOverlay(MainActivity.this, mapView);
        routeOverlay.setData(arg0.getPlan(0).getRoute(0));//選擇第一條搜索方案中的第一條路線..
        mapView.getOverlays().add(routeOverlay);
        mapView.invalidate();
    }

    @Override
    public void onGetPoiResult(MKPoiResult result, int type, int iError) {
        if(result == null){
            return ;
        }

        PoiOverlay poiOverlay = new PoiOverlay(MainActivity.this, mapView);
        poiOverlay.setData(result.getAllPoi());//找到所有符合條件的點
        mapView.getOverlays().add(poiOverlay);
        mapView.invalidate();
    }

    @Override
    public void onGetSuggestionResult(MKSuggestionResult arg0, int arg1) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onGetTransitRouteResult(MKTransitRouteResult arg0, int arg1) {
        // TODO Auto-generated method stub

    }

    @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;
}


}</pre>