百度地图--路线（步行）

  Button mBtnPre = null; // 上一个节点    Button mBtnNext = null; // 下一个节点    int nodeIndex = -1; // 节点索引,供浏览节点时使用    RouteLine route = null;    WalkingRouteOverlay routeOverlay = null;    boolean useDefaultIcon = false;    private TextView popupText = null; // 泡泡view    // 地图相关，使用继承MapView的MyRouteMapView目的是重写touch事件实现泡泡处理    // 如果不处理touch事件，则无需继承，直接使用MapView即可    MapView mMapView = null;    // 地图View    BaiduMap mBaidumap = null;    // 搜索相关    RoutePlanSearch mSearch = null;    // 搜索模块，也可去掉地图模块独立使用    TransitRouteResult nowResult = null;    DrivingRouteResult nowResultd = null;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        try {            SDKInitializer.initialize(getApplicationContext());        } catch (Exception e) {            // TODO: handle exception            ToastUtils.shortToast(getApplicationContext(), "地图api初始化失败");            return;        }        setContentView(R.layout.activity_lu_xian_map);        initSystemBar(this);        initTitle();//        // 初始化地图        mMapView = (MapView) findViewById(R.id.map);        mBaidumap = mMapView.getMap();        mBtnPre = (Button) findViewById(R.id.pre);        mBtnNext = (Button) findViewById(R.id.next);        mBtnPre.setVisibility(View.INVISIBLE);        mBtnNext.setVisibility(View.INVISIBLE);        // 地图点击事件处理        mBaidumap.setOnMapClickListener(this);        // 初始化搜索模块，注册事件监听//        mSearch = RoutePlanSearch.newInstance();//        mSearch.setOnGetRoutePlanResultListener(this);//        searchButtonProcess();        new Thread(new Runnable() {            @Override            public void run() {                try {                    Thread.currentThread().sleep(5000);//阻断2秒                } catch (InterruptedException e) {                    e.printStackTrace();                }            }        }).start();        // 天安门坐标        double mLat1 = 39.915291;        double mLon1 = 116.403857;        // 百度大厦坐标        double mLat2 = 40.056858;        double mLon2 = 116.308194;        LatLng loc_start = new LatLng(mLat1, mLon1);        LatLng loc_end = new LatLng(mLat2, mLon2);        mSearch = RoutePlanSearch.newInstance();        mSearch.setOnGetRoutePlanResultListener(this);        PlanNode stNode = PlanNode.withLocation(loc_start);        PlanNode enNode = PlanNode.withLocation(loc_end);        mSearch.walkingSearch((new WalkingRoutePlanOption()).from(stNode).to(enNode));    }
/** * 节点浏览示例 * * @param v */public void nodeClick(View v) {    if (route == null || route.getAllStep() == null) {        return;    }    if (nodeIndex == -1 && v.getId() == R.id.pre) {        return;    }    // 设置节点索引    if (v.getId() == R.id.next) {        if (nodeIndex < route.getAllStep().size() - 1) {            nodeIndex++;        } else {            return;        }    } else if (v.getId() == R.id.pre) {        if (nodeIndex > 0) {            nodeIndex--;        } else {            return;        }    }    // 获取节结果信息    LatLng nodeLocation = null;    String nodeTitle = null;    Object step = route.getAllStep().get(nodeIndex);    if (step instanceof DrivingRouteLine.DrivingStep) {        nodeLocation = ((DrivingRouteLine.DrivingStep) step).getEntrance().getLocation();        nodeTitle = ((DrivingRouteLine.DrivingStep) step).getInstructions();    } else if (step instanceof WalkingRouteLine.WalkingStep) {        nodeLocation = ((WalkingRouteLine.WalkingStep) step).getEntrance().getLocation();        nodeTitle = ((WalkingRouteLine.WalkingStep) step).getInstructions();    } else if (step instanceof TransitRouteLine.TransitStep) {        nodeLocation = ((TransitRouteLine.TransitStep) step).getEntrance().getLocation();        nodeTitle = ((TransitRouteLine.TransitStep) step).getInstructions();    } else if (step instanceof BikingRouteLine.BikingStep) {        nodeLocation = ((BikingRouteLine.BikingStep) step).getEntrance().getLocation();        nodeTitle = ((BikingRouteLine.BikingStep) step).getInstructions();    }    if (nodeLocation == null || nodeTitle == null) {        return;    }    // 移动节点至中心    mBaidumap.setMapStatus(MapStatusUpdateFactory.newLatLng(nodeLocation));    // show popup    popupText = new TextView(LuXianMapActivity.this);    popupText.setBackgroundResource(R.drawable.popup);    popupText.setTextColor(0xFF000000);    popupText.setText(nodeTitle);    mBaidumap.showInfoWindow(new InfoWindow(popupText, nodeLocation, 0));}
 
@Overridepublic void onRestoreInstanceState(Bundle savedInstanceState) {    super.onRestoreInstanceState(savedInstanceState);}@Overridepublic void onGetWalkingRouteResult(WalkingRouteResult result) {    if (result == null || result.error != SearchResult.ERRORNO.NO_ERROR) {        Toast.makeText(LuXianMapActivity.this, "抱歉，未找到结果", Toast.LENGTH_SHORT).show();    }    if (result.error == SearchResult.ERRORNO.AMBIGUOUS_ROURE_ADDR) {        // 起终点或途经点地址有岐义，通过以下接口获取建议查询信息        // result.getSuggestAddrInfo()        return;    }    if (result.error == SearchResult.ERRORNO.NO_ERROR) {        nodeIndex = -1;        mBtnPre.setVisibility(View.VISIBLE);        mBtnNext.setVisibility(View.VISIBLE);        route = result.getRouteLines().get(0);        WalkingRouteOverlay overlay = new MyWalkingRouteOverlay(mBaidumap);        mBaidumap.setOnMarkerClickListener(overlay);        routeOverlay = overlay;        overlay.setData(result.getRouteLines().get(0));        overlay.addToMap();        overlay.zoomToSpan();    }}
private class MyWalkingRouteOverlay extends WalkingRouteOverlay {    public MyWalkingRouteOverlay(BaiduMap baiduMap) {        super(baiduMap);    }    @Override    public BitmapDescriptor getStartMarker() {        if (useDefaultIcon) {            return BitmapDescriptorFactory.fromResource(R.drawable.icon_st);        }        return null;    }    @Override    public BitmapDescriptor getTerminalMarker() {        if (useDefaultIcon) {            return BitmapDescriptorFactory.fromResource(R.drawable.icon_en);        }        return null;    }}
@Overridepublic void onMapClick(LatLng point) {    mBaidumap.hideInfoWindow();}@Overridepublic boolean onMapPoiClick(MapPoi poi) {    return false;}@Overrideprotected void onPause() {    mMapView.onPause();    super.onPause();}@Overrideprotected void onResume() {    mMapView.onResume();    super.onResume();}@Overrideprotected void onDestroy() {    mSearch.destroy();    mMapView.onDestroy();    super.onDestroy();}// 响应DLg中的List item 点击interface OnItemInDlgClickListener {    public void onItemClick(int position);}