Android百度地图自定义公交路线导航

public class CustomOverlayItem extends ItemizedOverlay<OverlayItem> {
// private List<OverlayItem> GeoList = new ArrayList<OverlayItem>();
private Context mContext;
private OverlayItem overlay;
boolean showtext;
// private String title;
private Drawable marker;
public CustomOverlayItem(Drawable marker, Context context, GeoPoint p,
String title,String sinppet, boolean showtext) {
super(boundCenterBottom(marker));
this.mContext = context;
// 用给定的经纬度构造GeoPoint，单位是微度 (度 * 1E6)
// point = p;
this.showtext = showtext;
// this.title = title;
this.marker = marker;
overlay = new OverlayItem(p, title, sinppet);
populate(); // createItem(int)方法构造item。一旦有了数据，在调用其它方法前，首先调用这个方法
}
@Override
protected OverlayItem createItem(int i) {
return overlay;
}
@Override
public int size() {
return 1;
}
@Override
public void draw(Canvas canvas, MapView mapView, boolean arg2) {
// TODO Auto-generated method stub
super.draw(canvas, mapView, arg2);
// Projection接口用于屏幕像素坐标和经纬度坐标之间的变换
Projection projection = mapView.getProjection();
String style="margin: 0px; padding: 0px; line-height: 25.2px; width: 660px; overflow: hidden; clear: both;">
		
public class BuslineSearch extends MapActivity {
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);
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:rn" + "纬度:%frn"
+ "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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