Android百度地图之搜索公交路线
jopen
11年前
百度SDK提供了查询公交路线的功能,并且可以浏览路线要经过的每一个站,百度Demo代码如下:
Activity:
package com.home; import java.util.ArrayList; import java.util.List; import android.app.Activity; import android.os.Bundle; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; import com.baidu.mapapi.map.MKMapTouchListener; import com.baidu.mapapi.map.MapView; import com.baidu.mapapi.map.PopupClickListener; import com.baidu.mapapi.map.PopupOverlay; import com.baidu.mapapi.map.RouteOverlay; import com.baidu.mapapi.search.MKAddrInfo; import com.baidu.mapapi.search.MKBusLineResult; import com.baidu.mapapi.search.MKDrivingRouteResult; import com.baidu.mapapi.search.MKPoiInfo; import com.baidu.mapapi.search.MKPoiResult; import com.baidu.mapapi.search.MKRoute; import com.baidu.mapapi.search.MKSearch; import com.baidu.mapapi.search.MKSearchListener; import com.baidu.mapapi.search.MKShareUrlResult; import com.baidu.mapapi.search.MKSuggestionResult; import com.baidu.mapapi.search.MKTransitRouteResult; import com.baidu.mapapi.search.MKWalkingRouteResult; import com.baidu.platform.comapi.basestruct.GeoPoint; /** * 此demo用来展示如何进行公交线路详情检索,并使用RouteOverlay在地图上绘制 同时展示如何浏览路线节点并弹出泡泡 * */ public class BusLineSearchActivity extends Activity { // UI相关 Button mBtnSearch = null; Button mBtnNextLine = null; // 浏览路线节点相关 Button mBtnPre = null;// 上一个节点 Button mBtnNext = null;// 下一个节点 int nodeIndex = -2;// 节点索引,供浏览节点时使用 MKRoute route = null;// 保存驾车/步行路线数据的变量,供浏览节点时使用 private PopupOverlay pop = null;// 弹出泡泡图层,浏览节点时使用 private TextView popupText = null;// 泡泡view private View viewCache = null; private List<String> busLineIDList = null; int busLineIndex = 0; // 地图相关,使用继承MapView的MyBusLineMapView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 // 搜索相关 MKSearch mSearch = null; // 搜索模块,也可去掉地图模块独立使用 protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); DemoApplication app = (DemoApplication) this.getApplication(); setContentView(R.layout.activity_buslinesearch); CharSequence titleLable = "公交线路查询功能"; setTitle(titleLable); // 地图初始化 mMapView = (MapView) findViewById(R.id.bmapView); mMapView.getController().enableClick(true); mMapView.getController().setZoom(12); busLineIDList = new ArrayList<String>(); // 创建 弹出泡泡图层 createPaopao(); // 地图点击事件处理 mMapView.regMapTouchListner(new MKMapTouchListener() { @Override public void onMapClick(GeoPoint point) { // 在此处理地图点击事件 // 消隐pop if (pop != null) { pop.hidePop(); } } @Override public void onMapDoubleClick(GeoPoint point) { } @Override public void onMapLongClick(GeoPoint point) { } }); // 初始化搜索模块,注册事件监听 mSearch = new MKSearch(); mSearch.init(app.mBMapManager, new MKSearchListener() { @Override public void onGetPoiDetailSearchResult(int type, int error) { } 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(BusLineSearchActivity.this, "抱歉,未找到结果", Toast.LENGTH_SHORT).show(); return; } // 找到公交路线poi node MKPoiInfo curPoi = null; int totalPoiNum = res.getCurrentNumPois(); // 遍历所有poi,找到类型为公交线路的poi busLineIDList.clear(); for (int idx = 0; idx < totalPoiNum; idx++) { if (2 == res.getPoi(idx).ePoiType) { // poi类型,0:普通点,1:公交站,2:公交线路,3:地铁站,4:地铁线路 curPoi = res.getPoi(idx); // 使用poi的uid发起公交详情检索 busLineIDList.add(curPoi.uid); System.out.println(curPoi.uid); } } SearchNextBusline(); // 没有找到公交信息 if (curPoi == null) { Toast.makeText(BusLineSearchActivity.this, "抱歉,未找到结果", Toast.LENGTH_LONG).show(); return; } route = null; } public void onGetDrivingRouteResult(MKDrivingRouteResult res, int error) { } public void onGetTransitRouteResult(MKTransitRouteResult res, int error) { } public void onGetWalkingRouteResult(MKWalkingRouteResult res, int error) { } public void onGetAddrResult(MKAddrInfo res, int error) { } /** * 获取公交路线结果,展示公交线路 */ public void onGetBusDetailResult(MKBusLineResult result, int iError) { if (iError != 0 || result == null) { Toast.makeText(BusLineSearchActivity.this, "抱歉,未找到结果", Toast.LENGTH_LONG).show(); return; } RouteOverlay routeOverlay = new RouteOverlay( BusLineSearchActivity.this, mMapView); // 此处仅展示一个方案作为示例 routeOverlay.setData(result.getBusRoute()); // 清除其他图层 mMapView.getOverlays().clear(); // 添加路线图层 mMapView.getOverlays().add(routeOverlay); // 刷新地图使生效 mMapView.refresh(); // 移动地图到起点 mMapView.getController().animateTo( result.getBusRoute().getStart()); // 将路线数据保存给全局变量 route = result.getBusRoute(); // 重置路线节点索引,节点浏览时使用 nodeIndex = -1; mBtnPre.setVisibility(View.VISIBLE); mBtnNext.setVisibility(View.VISIBLE); Toast.makeText(BusLineSearchActivity.this, result.getBusName(), Toast.LENGTH_SHORT).show(); } @Override public void onGetSuggestionResult(MKSuggestionResult res, int arg1) { } @Override public void onGetShareUrlResult(MKShareUrlResult result, int type, int error) { } }); // 设定搜索按钮的响应 mBtnSearch = (Button) findViewById(R.id.search); mBtnNextLine = (Button) findViewById(R.id.nextline); mBtnPre = (Button) findViewById(R.id.pre); mBtnNext = (Button) findViewById(R.id.next); mBtnPre.setVisibility(View.INVISIBLE); mBtnNext.setVisibility(View.INVISIBLE); OnClickListener clickListener = new OnClickListener() { public void onClick(View v) { // 发起搜索 SearchButtonProcess(v); } }; OnClickListener nextLineClickListener = new OnClickListener() { public void onClick(View v) { // 搜索下一条公交线 SearchNextBusline(); } }; OnClickListener nodeClickListener = new OnClickListener() { public void onClick(View v) { // 浏览路线节点 nodeClick(v); } }; mBtnSearch.setOnClickListener(clickListener); mBtnNextLine.setOnClickListener(nextLineClickListener); mBtnPre.setOnClickListener(nodeClickListener); mBtnNext.setOnClickListener(nodeClickListener); } /** * 发起检索 * * @param v */ void SearchButtonProcess(View v) { busLineIDList.clear(); busLineIndex = 0; mBtnPre.setVisibility(View.INVISIBLE); mBtnNext.setVisibility(View.INVISIBLE); if (mBtnSearch.equals(v)) { EditText editCity = (EditText) findViewById(R.id.city); EditText editSearchKey = (EditText) findViewById(R.id.searchkey); // 发起poi检索,从得到所有poi中找到公交线路类型的poi,再使用该poi的id进行公交详情搜索 mSearch.poiSearchInCity(editCity.getText().toString(), editSearchKey.getText().toString()); } } void SearchNextBusline() { if (busLineIndex >= busLineIDList.size()) { busLineIndex = 0; } if (busLineIndex >= 0 && busLineIndex < busLineIDList.size() && busLineIDList.size() > 0) { mSearch.busLineSearch(((EditText) findViewById(R.id.city)) .getText().toString(), busLineIDList.get(busLineIndex)); busLineIndex++; } } /** * 创建弹出泡泡图层 */ public void createPaopao() { viewCache = getLayoutInflater() .inflate(R.layout.custom_text_view, null); popupText = (TextView) viewCache.findViewById(R.id.textcache); // 泡泡点击响应回调 PopupClickListener popListener = new PopupClickListener() { @Override public void onClickedPopup(int index) { Log.v("click", "clickapoapo"); } }; pop = new PopupOverlay(mMapView, popListener); } /** * 节点浏览示例 * * @param v */ public void nodeClick(View v) { if (nodeIndex < -1 || route == null || nodeIndex >= route.getNumSteps()) return; viewCache = getLayoutInflater() .inflate(R.layout.custom_text_view, null); popupText = (TextView) viewCache.findViewById(R.id.textcache); // 上一个节点 if (mBtnPre.equals(v) && nodeIndex > 0) { // 索引减 nodeIndex--; // 移动到指定索引的坐标 mMapView.getController().animateTo( route.getStep(nodeIndex).getPoint()); // 弹出泡泡 popupText.setText(route.getStep(nodeIndex).getContent()); popupText.setBackgroundResource(R.drawable.popup); pop.showPopup(BMapUtil.getBitmapFromView(popupText), route.getStep(nodeIndex).getPoint(), 5); } // 下一个节点 if (mBtnNext.equals(v) && nodeIndex < (route.getNumSteps() - 1)) { // 索引加 nodeIndex++; // 移动到指定索引的坐标 mMapView.getController().animateTo( route.getStep(nodeIndex).getPoint()); // 弹出泡泡 popupText.setText(route.getStep(nodeIndex).getContent()); popupText.setBackgroundDrawable(getResources().getDrawable( R.drawable.popup)); pop.showPopup(BMapUtil.getBitmapFromView(popupText), route.getStep(nodeIndex).getPoint(), 5); } } @Override protected void onPause() { mMapView.onPause(); super.onPause(); } @Override protected void onResume() { mMapView.onResume(); super.onResume(); } @Override protected void onDestroy() { mMapView.destroy(); super.onDestroy(); } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); mMapView.onSaveInstanceState(outState); } @Override protected void onRestoreInstanceState(Bundle savedInstanceState) { super.onRestoreInstanceState(savedInstanceState); mMapView.onRestoreInstanceState(savedInstanceState); } }
布局XML:
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="在" /> <EditText android:id="@+id/city" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="北京" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="市内找" /> <EditText android:id="@+id/searchkey" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="717" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="公交车" /> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <Button android:id="@+id/search" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginLeft="2dip" android:layout_marginRight="2dip" android:layout_weight="1" android:background="@drawable/button_style" android:text="开始" /> <Button android:id="@+id/nextline" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginLeft="2dip" android:layout_marginRight="2dip" android:layout_weight="1" android:background="@drawable/button_style" android:text="下一条" /> </LinearLayout> </LinearLayout> <RelativeLayout android:layout_width="match_parent" android:layout_height="match_parent" > <com.baidu.mapapi.map.MapView android:id="@+id/bmapView" android:layout_width="match_parent" android:layout_height="match_parent" android:clickable="true" /> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_alignWithParentIfMissing="false" android:layout_centerHorizontal="true" android:layout_centerVertical="false" android:layout_marginBottom="10dip" > <Button android:id="@+id/pre" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_marginLeft="2dip" android:layout_marginRight="2dip" android:layout_weight="1.0" android:background="@drawable/pre_" /> <Button android:id="@+id/next" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_marginLeft="2dip" android:layout_marginRight="2dip" android:layout_weight="1.0" android:background="@drawable/next_" /> </LinearLayout> </RelativeLayout> </LinearLayout>
配置文件和Application类同上文
附上图片效果:
来自:http://blog.csdn.net/u010142437/article/details/11581555