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() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int index,
long arg3) {
// TODO Auto-generated method stub
Toast.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() {
@Override
public void onGetWalkingRouteResult(MKWalkingRouteResult arg0,
int arg1) {
// TODO Auto-generated method stub
}
@Override
public void onGetTransitRouteResult(MKTransitRouteResult arg0,
int arg1) {
// TODO Auto-generated method stub
}
@Override
public void onGetSuggestionResult(MKSuggestionResult arg0, int arg1) {
// TODO Auto-generated method stub
}
@Override
public 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 block
e.printStackTrace();
}
}
@Override
public void onGetPoiDetailSearchResult(int arg0, int arg1) {
// TODO Auto-generated method stub
}
@Override
public void onGetDrivingRouteResult(MKDrivingRouteResult arg0,
int arg1) {
// TODO Auto-generated method stub
}
@Override
public void onGetBusDetailResult(MKBusLineResult arg0, int arg1) {
// TODO Auto-generated method stub
}
@Override
public void onGetAddrResult(MKAddrInfo res, int error) {
}
});
}
protected void show() {
// TODO Auto-generated method stub
if (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;
@Override
public Filter getFilter() {
// TODO Auto-generated method stub
if (f == null) {
f = new Filter() {
@Override
protected synchronized FilterResults performFiltering(
CharSequence c) {
// TODO Auto-generated method stub
ArrayList<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;
}
@Override
protected 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