PoiSearch mPoiSearch = PoiSearch.newInstance();
				OnGetPoiSearchResultListener poiListener = new OnGetPoiSearchResultListener(){  
				    public void onGetPoiResult(PoiResult result){
				    	if (result == null || result.error == SearchResult.ERRORNO.RESULT_NOT_FOUND) {
				    		Toast.makeText(getApplicationContext(), "检索失败",
									Toast.LENGTH_LONG).show();
				            return;
				        }
				        if (result.error == SearchResult.ERRORNO.NO_ERROR) {  
				            mBaiduMap.clear();
				            ListIterator<PoiInfo> it=result.getAllPoi().listIterator();
				            int count=0;
				            while(it.hasNext()){
				            	Uid[count]=it.next();
				            	count++;
				            }
				        }
				    //获取POI检索结果  
				    }  
				    public void onGetPoiDetailResult(PoiDetailResult result){  
				    //获取Place详情页检索结果  
				    }  
				};
				mPoiSearch.setOnGetPoiSearchResultListener(poiListener);
				/*mPoiSearch.searchInCity((new PoiCitySearchOption())
					    .city("北京")  
					    .keyword("公交")  
					    .pageNum(20));*/
				mPoiSearch.searchInCity((new PoiCitySearchOption())  
					    .city(Present_location.my_present_location.getCity())  
					    .keyword("23路")
					    .pageNum(10));
				BusLineSearch mBusLineSearch = BusLineSearch.newInstance();
				OnGetBusLineSearchResultListener busListener = new OnGetBusLineSearchResultListener() {
					@Override
					public void onGetBusLineResult(BusLineResult result) {
						// TODO Auto-generated method stub
						if (result == null
								|| result.error == SearchResult.ERRORNO.RESULT_NOT_FOUND) {
							Toast.makeText(getApplicationContext(), "附近无公交车车站",
									Toast.LENGTH_LONG).show();
							return;
						}
						if (result.error == SearchResult.ERRORNO.NO_ERROR) {
							mBaiduMap.clear();
							// 创建PoiOverlay
							MyBusLineOverlay overlay = new MyBusLineOverlay(
									mBaiduMap);
							// 设置overlay可以处理标注点击事件
							mBaiduMap.setOnMarkerClickListener(overlay);
							// 设置PoiOverlay数据
							overlay.setData(result);
							// 添加PoiOverlay到地图中
							overlay.addToMap();
							overlay.zoomToSpan();
							return;
						}
						// 获取POI检索结果
					}
				};
				mBusLineSearch.setOnGetBusLineSearchResultListener(busListener);
				mBusLineSearch.searchBusLine(new BusLineSearchOption()
						.city(Present_location.my_present_location.getCity())
						.uid(Uid[0].uid));

用的poi搜索附近线路，站点什么的条目很少。有没有做过这个的啊