百度地图的周边搜索

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Toast;

import com.baidu.mapapi.BMapManager;
import com.baidu.mapapi.map.MKMapViewListener;
import com.baidu.mapapi.map.MapController;
import com.baidu.mapapi.map.MapPoi;
import com.baidu.mapapi.map.MapView;
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.MKSearch;
import com.baidu.mapapi.search.MKSearchListener;
import com.baidu.mapapi.search.MKSuggestionResult;
import com.baidu.mapapi.search.MKTransitRouteResult;
import com.baidu.mapapi.search.MKWalkingRouteResult;


public class PoiSearchDemo extends Activity {
    static MapView mMapView = null;
    
    private MapController mMapController = null;
    public MKMapViewListener mMapListener = null;

    MKSearch mSearch = null;   // 搜索模块，也可去掉地图模块独立使用
    public static String mStrSuggestions[] = {};
    Button mBtnSearch = null;  // 搜索按钮
    Button mBtnDetailSearch = null;  // 详细搜搜按钮
    Button mSuggestionSearch = null;  //suggestion搜索
    Button nextData = null;
    public int load_Index;
    ListView mSuggestionList = null;
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_poisearch);
       
         DemoApplication app = (DemoApplication)this.getApplication();
         if (app.mBMapManager == null) {
             app.mBMapManager = new BMapManager(this);
             app.mBMapManager.init(DemoApplication.strKey,new DemoApplication.MyGeneralListener());
         }
         
         mMapView = (MapView)findViewById(R.id.bmapView);
        
         mMapController = mMapView.getController();
        
         initMapView();
       
         mMapListener = new MKMapViewListener() {
            
            @Override
            public void onMapMoveFinish() {
            }
            
            @Override
            public void onClickMapPoi(MapPoi mapPoiInfo) {
                String title = "";
                if (mapPoiInfo != null){
                    title = mapPoiInfo.strText;
                    Toast.makeText(PoiSearchDemo.this,title,Toast.LENGTH_SHORT).show();
                }
            }
        };
        mMapView.regMapViewListener(DemoApplication.getInstance().mBMapManager, mMapListener);
        mMapView.getController().enableClick(true);
        mMapView.getController().setZoom(12);
        
        // 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) {
                if (error != 0) {
                    Toast.makeText(PoiSearchDemo.this, "抱歉，未找到结果", Toast.LENGTH_SHORT).show();
                }
                else {
                    Toast.makeText(PoiSearchDemo.this, "成功，查看详情页面", Toast.LENGTH_SHORT).show();
                }
            }
            //主要是以下代码
            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(PoiSearchDemo.this, "抱歉，未找到结果", Toast.LENGTH_LONG).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(PoiSearchDemo.this, mMapView, mSearch);
                    poiOverlay.setData(res.getAllPoi());
                    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);
                            break;
                        }
                    }
                } else if (res.getCityListNum() > 0) {
                    String strInfo = "在";
                    for (int i = 0; i < res.getCityListNum(); i++) {
                        strInfo += res.getCityListInfo(i).city;
                        strInfo += ",";
                    }
                    strInfo += "找到结果";
                    Toast.makeText(PoiSearchDemo.this, strInfo, Toast.LENGTH_LONG).show();
                }
            }
            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) {
            }
            public void onGetBusDetailResult(MKBusLineResult result, int iError) {

            }

//主要代码

            @Override
            public void onGetSuggestionResult(MKSuggestionResult res, int arg1) {
                if (arg1 != 0 || res == null) {
                    Toast.makeText(PoiSearchDemo.this, "抱歉，未找到结果", Toast.LENGTH_LONG).show();
                    return;
                }
                int nSize = res.getSuggestionNum();
                mStrSuggestions = new String[nSize];
                for (int i = 0; i < nSize; i++) {
                    mStrSuggestions[i] = res.getSuggestion(i).city + res.getSuggestion(i).key;
                }
            }
            
        });
        // 设定搜索按钮的响应
        mBtnSearch = (Button)findViewById(R.id.search);
        OnClickListener clickListener = new OnClickListener(){
            public void onClick(View v) {
                SearchButtonProcess(v);
            }
        };
        mBtnSearch.setOnClickListener(clickListener);
    }
    
    @Override
    protected void onPause() {
        mMapView.onPause();
        super.onPause();
    }
    
    @Override
    protected void onResume() {
        mMapView.onResume();
        super.onResume();
    }
    
    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        mMapView.onSaveInstanceState(outState);
        
    }
    
    @Override
    protected void onRestoreInstanceState(Bundle savedInstanceState) {
        super.onRestoreInstanceState(savedInstanceState);
        mMapView.onRestoreInstanceState(savedInstanceState);
    }
    
    @Override
    protected void onDestroy() {
        mMapView.destroy();
        super.onDestroy();
    }
    
    private void initMapView() {
        mMapView.setLongClickable(true);
        mMapView.getController().setZoom(14);
        mMapView.getController().enableClick(true);
        mMapView.displayZoomControls(true);
    }
    
    void SearchButtonProcess(View v) {
        if (mBtnSearch.equals(v)) {
          EditText editCity = (EditText)findViewById(R.id.city);
          EditText editSearchKey = (EditText)findViewById(R.id.searchkey);
          mSearch.poiSearchInCity(editCity.getText().toString(),
                  editSearchKey.getText().toString());
        }
    }

}