RoutePlan.java

package com.baidu.mapapi.demo;

import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.baidu.mapapi.BMapManager;
import com.baidu.mapapi.MKAddrInfo;
import com.baidu.mapapi.MKBusLineResult;
import com.baidu.mapapi.MKDrivingRouteResult;
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.MapView;
import com.baidu.mapapi.RouteOverlay;
import com.baidu.mapapi.TransitOverlay;

public class RoutePlan extends MapActivity {

	Button mBtnDrive = null;	// �ݳ�����
	Button mBtnTransit = null;	// ��������
	Button mBtnWalk = null;	// ��������
	
	MapView mMapView = null;	// ��ͼView
	MKSearch mSearch = null;	// ����ģ�飬Ҳ��ȥ����ͼģ�����ʹ��
	
	protected void onCreate(Bundle savedInstanceState) {
		
		super.onCreate(savedInstanceState);
        setContentView(R.layout.routeplan);
        
		BMapApiDemoApp app = (BMapApiDemoApp)this.getApplication();
		if (app.mBMapMan == null) {
			app.mBMapMan = new BMapManager(getApplication());
			app.mBMapMan.init(app.mStrKey, new BMapApiDemoApp.MyGeneralListener());
		}
		app.mBMapMan.start();
        // ���ʹ�õ�ͼSDK�����ʼ����ͼActivity
        super.initMapActivity(app.mBMapMan);
        
        mMapView = (MapView)findViewById(R.id.bmapView);
        mMapView.setBuiltInZoomControls(true);
        //���������Ŷ���������Ҳ��ʾoverlay,Ĭ��Ϊ������
        mMapView.setDrawOverlayWhenZooming(true);
        
        // ��ʼ������ģ�飬ע���¼�����
        mSearch = new MKSearch();
        mSearch.init(app.mBMapMan, new MKSearchListener(){

			public void onGetDrivingRouteResult(MKDrivingRouteResult res,
					int error) {
				// ����ſɲο�MKEvent�еĶ���
				if (error != 0 || res == null) {
					Toast.makeText(RoutePlan.this, "��Ǹ��δ�ҵ����", Toast.LENGTH_SHORT).show();
					return;
				}
				RouteOverlay routeOverlay = new RouteOverlay(RoutePlan.this, mMapView);
			    // �˴���չʾһ��������Ϊʾ��
			    routeOverlay.setData(res.getPlan(0).getRoute(0));
			    mMapView.getOverlays().clear();
			    mMapView.getOverlays().add(routeOverlay);
			    mMapView.invalidate();
			    
			    mMapView.getController().animateTo(res.getStart().pt);
			}

			public void onGetTransitRouteResult(MKTransitRouteResult res,
					int error) {
				if (error != 0 || res == null) {
					Toast.makeText(RoutePlan.this, "��Ǹ��δ�ҵ����", Toast.LENGTH_SHORT).show();
					return;
				}
				TransitOverlay  routeOverlay = new TransitOverlay (RoutePlan.this, mMapView);
			    // �˴���չʾһ��������Ϊʾ��
			    routeOverlay.setData(res.getPlan(0));
			    mMapView.getOverlays().clear();
			    mMapView.getOverlays().add(routeOverlay);
			    mMapView.invalidate();
			    
			    mMapView.getController().animateTo(res.getStart().pt);
			}

			public void onGetWalkingRouteResult(MKWalkingRouteResult res,
					int error) {
				if (error != 0 || res == null) {
					Toast.makeText(RoutePlan.this, "��Ǹ��δ�ҵ����", Toast.LENGTH_SHORT).show();
					return;
				}
				RouteOverlay routeOverlay = new RouteOverlay(RoutePlan.this, mMapView);
			    // �˴���չʾһ��������Ϊʾ��
			    routeOverlay.setData(res.getPlan(0).getRoute(0));
			    mMapView.getOverlays().clear();
			    mMapView.getOverlays().add(routeOverlay);
			    mMapView.invalidate();
			    
			    mMapView.getController().animateTo(res.getStart().pt);
			}
			public void onGetAddrResult(MKAddrInfo res, int error) {
			}
			public void onGetPoiResult(MKPoiResult res, int arg1, int arg2) {
			}
			public void onGetBusDetailResult(MKBusLineResult result, int iError) {
			}
			@Override
			public void onGetSuggestionResult(MKSuggestionResult res, int arg1) {
				// TODO Auto-generated method stub
				
			}
        });
        
        // �趨������ť����Ӧ
        mBtnDrive = (Button)findViewById(R.id.drive);
        mBtnTransit = (Button)findViewById(R.id.transit);
        mBtnWalk = (Button)findViewById(R.id.walk);
        
        OnClickListener clickListener = new OnClickListener(){
			public void onClick(View v) {
					SearchButtonProcess(v);
			}
        };
        
        mBtnDrive.setOnClickListener(clickListener); 
        mBtnTransit.setOnClickListener(clickListener); 
        mBtnWalk.setOnClickListener(clickListener);
	}
	
	void SearchButtonProcess(View v) {
		// ����������ť��Ӧ
		EditText editSt = (EditText)findViewById(R.id.start);
		EditText editEn = (EditText)findViewById(R.id.end);
		
		// ������յ��name���и�ֵ��Ҳ����ֱ�Ӷ����긳ֵ����ֵ�����򽫸��������������
		MKPlanNode stNode = new MKPlanNode();
		stNode.name = editSt.getText().toString();
		MKPlanNode enNode = new MKPlanNode();
		enNode.name = editEn.getText().toString();

		// ʵ��ʹ�����������յ���н�����ȷ���趨
		if (mBtnDrive.equals(v)) {
			mSearch.drivingSearch("����", stNode, "�Ϻ�", enNode);
		} else if (mBtnTransit.equals(v)) {
			mSearch.transitSearch("����", stNode, enNode);
		} else if (mBtnWalk.equals(v)) {
			mSearch.walkingSearch("����", stNode, "����", enNode);
		}
	}

	@Override
	protected void onPause() {
		BMapApiDemoApp app = (BMapApiDemoApp)this.getApplication();
		app.mBMapMan.stop();
		super.onPause();
	}
	@Override
	protected void onResume() {
		BMapApiDemoApp app = (BMapApiDemoApp)this.getApplication();
		app.mBMapMan.start();
		super.onResume();
	}

	@Override
	protected boolean isRouteDisplayed() {
		// TODO Auto-generated method stub
		return false;
	}

}