基于百度地图API的Android公交换乘导航
public class busRoute extends MapActivity {
private Button mBtnTransit = null; // 公交搜索
private ListView busList;// 公交列表
private MapView mMapView = null; // 地图View
private MKSearch mSearch = null; // 搜索模块，也可去掉地图模块独立使用
private MapController mapController;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.busroute);
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();
// 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);
GeoPoint geoPoint = new GeoPoint((int) (32.05000 * 1E6),
(int) ( 118.78333* 1E6));
// 取得地图控制器对象，用于控制MapView
mapController = mMapView.getController();
// 设置地图的中心
mapController.setCenter(geoPoint);
// 设置地图默认的缩放级别
mapController.setZoom(12);
// 初始化搜索模块，注册事件监听
mSearch = new MKSearch();
mSearch.init(app.mBMapMan, new MKSearchListener() {
@Override
public void onGetPoiDetailSearchResult(int type, int error) {
}
public void onGetDrivingRouteResult(MKDrivingRouteResult res,
int error) {
}
public void onGetTransitRouteResult(MKTransitRouteResult res,
int error) {
if (error != 0 || res == null) {
Toast.makeText(busRoute.this, "抱歉，未找到结果",
Toast.LENGTH_SHORT).show();
mMapView.setVisibility(View.VISIBLE);
busList.setVisibility(View.GONE);
return;
}
MyAdapter myAdapter = new MyAdapter(busRoute.this, res);
busList.setAdapter(myAdapter);
}
public void onGetWalkingRouteResult(MKWalkingRouteResult res,
int error) {
}
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
}
@Override
public void onGetRGCShareUrlResult(String arg0, int arg1) {
// TODO Auto-generated method stub
}
});
// 设定搜索按钮的响应
busList = (ListView) findViewById(R.id.bus_list);
busList.setCacheColorHint(0);
mBtnTransit = (Button) findViewById(R.id.transit);
OnClickListener clickListener = new OnClickListener() {
public void onClick(View v) {
mMapView.setVisibility(View.GONE);
busList.setVisibility(View.VISIBLE);
SearchButtonProcess(v);
}
};
mBtnTransit.setOnClickListener(clickListener);
}
void SearchButtonProcess(View v) {
// 处理搜索按钮响应
EditText editSt = (EditText) findViewById(R.id.start);
EditText editEn = (EditText) findViewById(R.id.end);
// 对起点终点的name进行赋值，也可以直接对坐标赋值，赋值坐标则将根据坐标进行搜索
MKPlanNode stNode = new MKPlanNode();
stNode.name = editSt.getText().toString();
MKPlanNode enNode = new MKPlanNode();
enNode.name = editEn.getText().toString();
// 实际使用中请对起点终点城市进行正确的设定
if (mBtnTransit.equals(v)) {
mSearch.transitSearch("南京", 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;
}
// 填充公交列表
class MyAdapter extends BaseAdapter {
private MKTransitRouteResult res;
private LayoutInflater mInflater;
public MyAdapter(Context context, MKTransitRouteResult res) {
this.res = res;
this.mInflater = LayoutInflater.from(context);
}
@Override
public int getCount() {
return res.getNumPlan();
}
@Override
public Object getItem(int position) {
return position;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
HolderView holder = null;
if (convertView == null) {
holder = new HolderView();
convertView = mInflater.inflate(R.layout.list_item, null);
holder.txt = (TextView) convertView
.findViewById(R.id.list_item_txt);
convertView.setTag(holder);
} else {
holder = (HolderView) convertView.getTag();
}
String lineInfo = "";
// 得到解决方案
MKTransitRoutePlan routePlan = res.getPlan(position);
// 公交线路
MKLine mkLine = routePlan.getLine(0);
lineInfo += "乘坐：" + mkLine.getTitle();
MKPoiInfo mkOnPoiInfo = mkLine.getGetOnStop();
MKPoiInfo mkOffPoiInfo = mkLine.getGetOffStop();
lineInfo += "\n\t\t\t\t从" + mkOnPoiInfo.name + "上车，在"
+ mkOffPoiInfo.name + "下车";
if (routePlan.getNumLines() > 0) {
// 循环当前方案公交路线
for (int i = 1; i < routePlan.getNumLines(); i++) {
// 公交线路
mkLine = routePlan.getLine(i);
lineInfo += "\n换成：" + mkLine.getTitle();
mkOnPoiInfo = mkLine.getGetOnStop();
mkOffPoiInfo = mkLine.getGetOffStop();
lineInfo += "\n\t\t\t\t从" + mkOnPoiInfo.name + "上车，在"
+ mkOffPoiInfo.name + "下车";
}
}
holder.txt.setText(lineInfo);
convertView
.setOnClickListener(new MyListViewOnClick(position, res));
return convertView;
}
}
class HolderView {
public TextView txt;
}
class MyListViewOnClick implements OnClickListener {
private int index;
private MKTransitRouteResult res;
public MyListViewOnClick(int index, MKTransitRouteResult res) {
this.index = index;
this.res = res;
}
@Override
public void onClick(View arg0) {
TransitOverlay routeOverlay = new TransitOverlay(busRoute.this,
mMapView);
routeOverlay.setData(res.getPlan(index));
mMapView.getOverlays().clear();
mMapView.getOverlays().add(routeOverlay);
mMapView.invalidate();
mMapView.getController().animateTo(res.getStart().pt);
busList.setVisibility(View.GONE);
mMapView.setVisibility(View.VISIBLE);
}
}
}
下面是鄙人的代码，感谢发现错误和提出意见：
DEMO APK下载：
