百度地图之驾车路线的搜索

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.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;//百度地图的相关控件
private BMapManager bMapManager;//加载地图的引擎
private String keyString = "04763B1D8C925195965E838C6E59DB767DAE4BA7";//百度地图的key
private MapController mapController;//在百度地图上添加一些控件,比如放大或缩小控件

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);

//必须要加载key
bMapManager.init(keyString, new MKGeneralListener() {

@Override
public void onGetPermissionState(int arg0) {
if(arg0 == 300){
Toast.makeText(MainActivity.this, "输入的key有误,请核实...", 1).show();
}
}

@Override
public void onGetNetworkState(int arg0) {
// TODO Auto-generated method stub

}
});

initMapActivity(bMapManager);
mapView.setBuiltInZoomControls(true);//表示可以设置缩放功能
mapController = mapView.getController();
mapController.setZoom(12);//设置缩放级别

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));//选择第一条搜索方案中的第一条路线..
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());//找到所有符合条件的点
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;
}

}