android 百度地图 AutoCompleteTextView联想刷新实现检索

实现效果如图下载代码需注意修改AndroidManifest.xml文件下的百度地图apikey和包名om.baidu.lbsapi.API_KEY"android:value="TaluyMYPi3bpZaVrMDeQZsdV"
工程下载：http://download.csdn.net/detail/b275518834/7861097
<pre name="code" class="java">package app.apad.lp.czxt;import java.util.ArrayList;import java.util.HashSet;import java.util.Iterator;import java.util.List;import java.util.Set;import baidumapsdk.demo.DemoApplication;import com.baidu.mapapi.BMapManager;import com.baidu.mapapi.map.ItemizedOverlay;import com.baidu.mapapi.map.MapView;import com.baidu.mapapi.map.OverlayItem;import com.baidu.mapapi.search.MKAddrInfo;import com.baidu.mapapi.search.MKBusLineResult;import com.baidu.mapapi.search.MKDrivingRouteResult;import com.baidu.mapapi.search.MKPlanNode;import com.baidu.mapapi.search.MKPoiInfo;import com.baidu.mapapi.search.MKPoiResult;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 android.app.Activity;import android.graphics.drawable.Drawable;import android.os.Bundle;import android.text.Editable;import android.text.TextWatcher;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.ArrayAdapter;import android.widget.AutoCompleteTextView;import android.widget.Filter;import android.widget.MultiAutoCompleteTextView;import android.widget.Toast;public class BaseMapDaohang_new extends Activity {private AutoCompleteTextView edittext_search;MKPlanNode stNode;MKSearch mSearch;private MapView mMapView;private View btn_search;ArrayList<MKPoiInfo> list_MKPoiInfo = new ArrayList<MKPoiInfo>();String[] arr_MKPoiInfo = new String[] {};private ArrayAdapter<String> adapter;protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);DemoApplication app = (DemoApplication) this.getApplication();if (app.mBMapManager == null) {app.mBMapManager = new BMapManager(getApplicationContext());/** * 如果BMapManager没有初始化则初始化BMapManager */app.mBMapManager.init(new DemoApplication.MyGeneralListener());}setContentView(R.layout.baidu_daohang_new);mMapView = (MapView) findViewById(R.id.bmapView);edittext_search = (AutoCompleteTextView) findViewById(R.id.edittext_search);edittext_search.addTextChangedListener(new TextWatcher() {private ArrayAdapter<String> adapter;public void afterTextChanged(Editable editable) {if (adapter != null) {adapter.notifyDataSetChanged();adapter.notifyDataSetInvalidated();}}public void beforeTextChanged(CharSequence s, int start, int count,int after) {}public void onTextChanged(CharSequence s, int start, int before,int count) {searchButtonProcess(edittext_search);}});edittext_search.setOnItemClickListener(new OnItemClickListener() {@Overridepublic void onItemClick(AdapterView<?> arg0, View arg1, int index,long arg3) {// TODO Auto-generated method stubToast.makeText(BaseMapDaohang_new.this, "" + index, 1).show();}});mSearch = new MKSearch();stNode = new MKPlanNode();stNode.name = edittext_search.getText().toString();mSearch.init(app.mBMapManager, new MKSearchListener() {@Overridepublic void onGetWalkingRouteResult(MKWalkingRouteResult arg0,int arg1) {// TODO Auto-generated method stub}@Overridepublic void onGetTransitRouteResult(MKTransitRouteResult arg0,int arg1) {// TODO Auto-generated method stub}@Overridepublic void onGetSuggestionResult(MKSuggestionResult arg0, int arg1) {// TODO Auto-generated method stub}@Overridepublic void onGetShareUrlResult(MKShareUrlResult arg0, int arg1,int arg2) {// TODO Auto-generated method stub}/** * 在此处理poi搜索结果 */public void onGetPoiResult(MKPoiResult res, int type, int error) {try {// 错误号可参考MKEvent中的定义if (error != 0 || res == null) {//Toast.makeText(BaseMapDaohang_new.this, "抱歉，未找到结果",//Toast.LENGTH_LONG).show();list_MKPoiInfo.clear();show();return;}// 将地图移动到第一个POI中心点if (res.getCurrentNumPois() > 0) {// 将poi结果显示到地图上MyPoiOverlay poiOverlay = new MyPoiOverlay(BaseMapDaohang_new.this, mMapView, mSearch);poiOverlay.setData(res.getAllPoi());System.err.println(res.getAllPoi());list_MKPoiInfo.clear();for (MKPoiInfo info : res.getAllPoi()) {System.err.println(info.address + " " + info.pt);list_MKPoiInfo.add(info);}mMapView.getOverlays().clear();mMapView.getOverlays().add(poiOverlay);mMapView.refresh();// 当ePoiType为2（公交线路）或4（地铁线路）时， poi坐标为空for (MKPoiInfo info : res.getAllPoi()) {if (info.pt != null) {mMapView.getController().animateTo(info.pt);System.err.println(info.address + " " + info.pt);break;}}show();} else if (res.getCityListNum() > 0) {// 当输入关键字在本市没有找到，但在其他城市找到时，返回包含该关键字信息的城市列表String strInfo = "在";for (int i = 0; i < res.getCityListNum(); i++) {strInfo += res.getCityListInfo(i).city;strInfo += ",";}strInfo += "找到结果";System.err.println("res" + strInfo);Toast.makeText(BaseMapDaohang_new.this, strInfo,Toast.LENGTH_LONG).show();}} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}@Overridepublic void onGetPoiDetailSearchResult(int arg0, int arg1) {// TODO Auto-generated method stub}@Overridepublic void onGetDrivingRouteResult(MKDrivingRouteResult arg0,int arg1) {// TODO Auto-generated method stub}@Overridepublic void onGetBusDetailResult(MKBusLineResult arg0, int arg1) {// TODO Auto-generated method stub}@Overridepublic void onGetAddrResult(MKAddrInfo res, int error) {}});}protected void show() {// TODO Auto-generated method stubif (list_MKPoiInfo == null || list_MKPoiInfo.isEmpty()) {arr_MKPoiInfo = new String[] {};} else {final int size = list_MKPoiInfo.size();arr_MKPoiInfo = new String[size];for (int i = 0; i < list_MKPoiInfo.size(); i++) {arr_MKPoiInfo[i] = list_MKPoiInfo.get(i).address;Log.d("test", arr_MKPoiInfo[i]);}}Log.d("test", list_MKPoiInfo.toString());adapter = new ArrayAdapter<String>(BaseMapDaohang_new.this,android.R.layout.simple_dropdown_item_1line, arr_MKPoiInfo) {private Filter f;@Overridepublic Filter getFilter() {// TODO Auto-generated method stubif (f == null) {f = new Filter() {@Overrideprotected synchronized FilterResults performFiltering(CharSequence c) {// TODO Auto-generated method stubArrayList<Object> suggestions = new ArrayList<Object>();for (String adr : arr_MKPoiInfo) {suggestions.add(adr);}Log.d("test", list_MKPoiInfo.toString());Log.d("test", arr_MKPoiInfo.toString());FilterResults filterResults = new FilterResults();filterResults.values = suggestions;filterResults.count = suggestions.size();return filterResults;}@Overrideprotected synchronized void publishResults(CharSequence c, FilterResults results) {if (results.count > 0) {adapter.notifyDataSetChanged();} else {adapter.notifyDataSetInvalidated();}}};}return f;}};edittext_search.setAdapter(adapter);adapter.notifyDataSetChanged();adapter.notifyDataSetInvalidated();}/** * 影响搜索按钮点击事件 *  * @param v */public void searchButtonProcess(View v) {mSearch.poiSearchInCity("北京", edittext_search.getText().toString());}}
工程下载：http://download.csdn.net/detail/b275518834/7861097
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