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云代码 - android代码库

地图定位 绘制公交线路

2013-04-19 作者： 云代码会员举报

[android]代码库

view sourceprint?
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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