地图定位绘制公交线路代码,Java代码库,德仔网

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【Java】地图定位绘制公交线路
作者:Dezai.CN / 发布于2013/6/17/ 560

	Button mBtnSearch = null; // 搜索按钮

	MapView mMapView = null; // 地图View
	MKSearch mSearch = null; // 搜索模块，也可去掉地图模块独立使用
	String mCityName = null;
	LocationListener loc_listener;
	App app = null;
	static boolean flag = false;
	static Thread thread;

	protected void onCreate(Bundle savedInstanceState) {
	 super.onCreate(savedInstanceState);
	 setContentView(R.layout.buslinesearch);

	 app = (App) this.getApplication();
	 if (app.mBMapMan == null) {
	 app.mBMapMan = new BMapManager(getApplication());
	 app.mBMapMan.init(app.mStrKey, new App.MyGeneralListener());
	 }
	 app.mBMapMan.start();
	 // 如果使用地图SDK，请初始化地图Activity
	 super.initMapActivity(app.mBMapMan);
	 mMapView = (MapView) findViewById(R.id.bmapView);
	 mMapView.setBuiltInZoomControls(true);
	 // 设置在缩放动画过程中也显示overlay,默认为不绘制
	 mMapView.setDrawOverlayWhenZooming(true);
	 mMapView.setBuiltInZoomControls(true);
	 // 初始化搜索模块，注册事件监听
	 MapController mMapController = mMapView.getController(); // 得到mMapView的控制权,可以用它控制和驱动平移和缩放
	 GeoPoint point = new GeoPoint((int) (39.915 * 1E6),
	 (int) (116.404 * 1E6)); // 用给定的经纬度构造一个GeoPoint，单位是微度 (度 * 1E6)
	 mMapController.setCenter(point); // 设置地图中心点
	 mMapController.setZoom(15); // 设置地图zoom级别
	 mSearch = new MKSearch();
	 mSearch.init(app.mBMapMan, new MKSearchListener() {
	 public void onGetPoiResult(MKPoiResult res, int type, int error) {
	 // 错误号可参考MKEvent中的定义
	 if (error != 0 || res == null) {
	 Toast.makeText(BuslineSearch.this, "抱歉，未找到结果",
	 Toast.LENGTH_LONG).show();
	 return;
	 }
	 // System.out.println(res.toString());
	 // 找到公交路线poi node
	 MKPoiInfo curPoi = null;
	 int totalPoiNum = res.getNumPois();
	 for (int idx = 0; idx < totalPoiNum; idx++) {
	 Log.d("busline", "the busline is " + idx);
	 curPoi = res.getPoi(idx);
	 if (2 == curPoi.ePoiType) {
	 break;
	 }
	 }
	 mSearch.busLineSearch(mCityName, curPoi.uid);
	 }

	 public void onGetDrivingRouteResult(MKDrivingRouteResult res,
	 int error) {
	 }

	 public void onGetTransitRouteResult(MKTransitRouteResult res,
	 int error) {
	 res.getPlan(0).getDistance();
	 }

	 public void onGetWalkingRouteResult(MKWalkingRouteResult res,
	 int error) {
	 }

	 public void onGetAddrResult(MKAddrInfo res, int error) {
	 }

	 public void onGetBusDetailResult(MKBusLineResult result, int iError) {
	 if (iError != 0 || result == null) {
	 Toast.makeText(BuslineSearch.this, "抱歉，未找到结果",
	 Toast.LENGTH_LONG).show();
	 return;
	 }
	 // result.getBusRoute().get
	 // result.getBusRoute().getStart().toString();
	 CustomRouteOverLay routeOverlay = new CustomRouteOverLay(
	 BuslineSearch.this, mMapView);
	 // 此处仅展示一个方案作为示例
	 System.out.println(routeOverlay.size());
	 routeOverlay.setData(result.getBusRoute());
	 mMapView.getOverlays().clear();
	 System.out.println(mMapView.getOverlays().size());
	 mMapView.getOverlays().add(routeOverlay);
	 mMapView.invalidate();
	 mMapView.getController().animateTo(
	 result.getBusRoute().getStart());
	 }

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

	 }
	 });
	 // mLocationManager.requestLocationUpdates(listener);
	 // 注册定位事件
	 loc_listener = new LocationListener() {

	 @Override
	 public void onLocationChanged(Location location) {
	 if (location != null) {
	 String strLog = String.format("您当前的位置:\r\n" + "纬度:%f\r\n"
	 + "经度:%f", location.getLongitude(),
	 location.getLatitude());
	 flag = true;
	 Drawable marker = getResources()
	 .getDrawable(R.drawable.ic_launcher);
	 final GeoPoint p = new GeoPoint(
	 (int) (location.getLatitude() * 1E6),
	 (int) (location.getLongitude() * 1E6));
	 CustomOverlayItem item = new CustomOverlayItem(marker,
	 BuslineSearch.this, p, "我的位置", "", false);
	 mMapView.getOverlays().add(item);
	 mMapView.getController().animateTo(p);
	 }
	 }
	 };
	 // 设定搜索按钮的响应
	 mBtnSearch = (Button) findViewById(R.id.search);

	 OnClickListener clickListener = new OnClickListener() {
	 public void onClick(View v) {
	 SearchButtonProcess(v);
	 }
	 };

	 mBtnSearch.setOnClickListener(clickListener);
	}

	void SearchButtonProcess(View v) {
	 if (mBtnSearch.equals(v)) {
	 mMapView.getOverlays().clear();
	 mMapView.getOverlays().removeAll(mMapView.getOverlays());
	 mMapView.invalidate();
	 EditText editCity = (EditText) findViewById(R.id.city);
	 EditText editSearchKey = (EditText) findViewById(R.id.searchkey);
	 mCityName = editCity.getText().toString();
	 mSearch.poiSearchInCity(mCityName, editSearchKey.getText()
	 .toString());
	 }
	}

	@Override
	protected void onPause() {
	 if (null == app)
	 app = (App) this.getApplication();
	 app.mBMapMan.getLocationManager().removeUpdates(loc_listener);
	 app.mBMapMan.stop();
	 super.onPause();
	}

	@Override
	protected void onResume() {
	 if (null == app)
	 app = (App) this.getApplication();
	 app.mBMapMan.start();
	 super.onResume();
	 app.mBMapMan.getLocationManager().requestLocationUpdates(loc_listener);// 定位
	}

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

	@Override
	protected void onDestroy() {
	 // TODO Auto-generated method stub
	 super.onDestroy();
	}
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