Android 百度地圖-實現POI的搜索(搜索周邊)

jopen 12年前發布 | 75K 次閱讀 Android Android開發移動開發
package com.lbsproject;
import java.util.ArrayList;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Point;
import android.graphics.drawable.Drawable;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationManager;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import com.baidu.mapapi.BMapManager;
import com.baidu.mapapi.GeoPoint;
import com.baidu.mapapi.LocationListener;
import com.baidu.mapapi.MKAddrInfo;
import com.baidu.mapapi.MKDrivingRouteResult;
import com.baidu.mapapi.MKPoiResult;
import com.baidu.mapapi.MKSearch;
import com.baidu.mapapi.MKSearchListener;
import com.baidu.mapapi.MKTransitRouteResult;
import com.baidu.mapapi.MKWalkingRouteResult;
import com.baidu.mapapi.MapActivity;
import com.baidu.mapapi.MapController;
import com.baidu.mapapi.MapView;
import com.baidu.mapapi.MyLocationOverlay;
import com.baidu.mapapi.Overlay;
import com.baidu.mapapi.PoiOverlay;
import com.baidu.mapapi.Projection;
import com.lbsproject.LBSProjectActivity.GetOverlay;
public class LBSProjectActivity extends MapActivity {
    protected static final String TAG = null;
    private BMapManager mapManager;
    private MapView mapView;
    private MapController mapController;
    private MKSearch mSearch = null; 
    private GeoPoint geoPoint = new GeoPoint(122084095, 37422006);;
    LocationListener mLocationListener = null;
    MyLocationOverlay mLocationOverlay = null; 
    private EditText editCity;
    private EditText editGeoCodeKey;
    private EditText areaText;
    private GetOverlay getOverlay;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    getInitLoc();// 程序打開時候獲取當前位置 顯示地圖上
    mapManager = new BMapManager(getApplication());

    // init方法的第一個參數需填入申請的APIKey
    mapManager.init("2150650BE0DCF874994B845CEC7B60A0518E6AFE", null);
    super.initMapActivity(mapManager);
    mapView = (MapView) findViewById(R.id.mapView);
    mapView.setBuiltInZoomControls(true);
    mapView.setDrawOverlayWhenZooming(true);

    // 添加定位圖層
    mLocationOverlay = new MyLocationOverlay(this, mapView);
    mapView.getOverlays().add(mLocationOverlay);
    getOverlay = new GetOverlay();
    mapView.getOverlays().add(getOverlay);

    gotoLocate();

    Button buttonGetPos = (Button) findViewById(R.id.buttonGetPos);//獲取"我的位置的方法"
    buttonGetPos.setOnClickListener(new View.OnClickListener() {

        public void onClick(View v) {
            getInitLoc();
            gotoLocate();
        }
    });

    editCity = (EditText) findViewById(R.id.editTextCity);
    editGeoCodeKey = (EditText) findViewById(R.id.editTextAera);
    Button buttonSearchCity = (Button) findViewById(R.id.buttonSearchCity);
    buttonSearchCity.setOnClickListener(new View.OnClickListener() {//點擊按鈕定位需要去的地方

        @Override
        public void onClick(View v) {

            mSearch.geocode(editGeoCodeKey.getText().toString(), editCity
                    .getText().toString());
            // mapView.getOverlays().add(getOverlay);

        }
    });
    areaText = (EditText) findViewById(R.id.searchKeywords);
    Button buttonSearchArea = (Button) findViewById(R.id.buttonSearchArea);
    buttonSearchArea.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {


            mSearch.poiSearchNearBy(areaText.getText().toString(),// 搜索XX附近5000米范圍的XXX
                    geoPoint, 5000);

        }
    });

    // 注冊定位事件
    mLocationListener = new LocationListener() {
        public void onLocationChanged(Location location) {
            if (location != null) {
                Log.i(TAG, "" + location.getLatitude());
                Log.i(TAG, "" + location.getLongitude());
                geoPoint = new GeoPoint(
                        (int) (location.getLatitude() * 1e6),
                        (int) (location.getLongitude() * 1e6));
                gotoLocate();
            }
        }

    };

    mSearch = new MKSearch();//搜索服務類
    mSearch.init(mapManager, new MKSearchListener() {
        public void onGetAddrResult(MKAddrInfo res, int error) {
            if (error != 0) {
                String str = String.format("錯誤號：%d", error);
                Toast.makeText(LBSProjectActivity.this, str,
                        Toast.LENGTH_LONG).show();
                return;
            }

            mapView.getController().animateTo(res.geoPt);


//              String strInfo = String.format("緯度：%f 經度：%f\r\n",
//                      res.geoPt.getLatitudeE6() / 1e6,
//                      res.geoPt.getLongitudeE6() / 1e6);

            geoPoint = res.geoPt;

            // Toast.makeText(LBSProjectActivity.this, strInfo,
            // Toast.LENGTH_LONG).show();
            Drawable marker = getResources().getDrawable(
                    R.drawable.iconmarka); // 得到需要標在地圖上的資源
            marker.setBounds(0, 0, marker.getIntrinsicWidth(),
                    marker.getIntrinsicHeight()); // 為maker定義位置和邊界
            mapView.getOverlays().clear();
            mapView.getOverlays().add(getOverlay);
            mapView.getOverlays().add(
                    new OverItemT(marker, LBSProjectActivity.this,
                            res.geoPt, res.strAddr));
        }

        public void onGetPoiResult(MKPoiResult res, int type, int error) {
            if (res == null) {
                Log.d("onGetPoiResult", "the onGetPoiResult res is " + type
                        + "__" + error);
            } else
                Log.d("onGetPoiResult",
                        "the onGetPoiResult res is "
                                + res.getCurrentNumPois() + "__"
                                + res.getNumPages() + "__"
                                + res.getNumPois() + "__" + type + "__"
                                + error);

            // 錯誤號可參考MKEvent中的定義
            if (error != 0 || res == null) {
                Log.d("onGetPoiResult", "the onGetPoiResult res 0 ");
                Toast.makeText(LBSProjectActivity.this, "抱歉，未找到結果",
                        Toast.LENGTH_LONG).show();
                return;
            }

            ArrayList<MKPoiResult> poiResult = res.getMultiPoiResult();
            if (poiResult != null)
                Log.d("onGetPoiResult", "the onGetPoiResult res 1__"
                        + poiResult.size());
            // 將地圖移動到第一個POI中心點
            if (res.getCurrentNumPois() > 0) {
                Log.d("onGetPoiResult", "the onGetPoiResult res 2");
                // 將poi結果顯示到地圖上
                PoiOverlay poiOverlay = new PoiOverlay(
                        LBSProjectActivity.this, mapView);
                poiOverlay.setData(res.getAllPoi());
                mapView.getOverlays().clear();
                mapView.getOverlays().add(getOverlay);
                mapView.getOverlays().add(poiOverlay);
                mapView.invalidate();
                mapView.getController().animateTo(res.getPoi(0).pt);
            } else if (res.getCityListNum() > 0) {
                Log.d("onGetPoiResult", "the onGetPoiResult res 3");
                String strInfo = "在";
                for (int i = 0; i < res.getCityListNum(); i++) {
                    strInfo += res.getCityListInfo(i).city;
                    strInfo += ",";
                }
                strInfo += "找到結果";
                Toast.makeText(LBSProjectActivity.this, strInfo,
                        Toast.LENGTH_LONG).show();
            }

            Log.d("onGetPoiResult", "the onGetPoiResult res 4");

        }

        public void onGetDrivingRouteResult(MKDrivingRouteResult res,
                int error) {
        }

        public void onGetTransitRouteResult(MKTransitRouteResult res,
                int error) {
        }

        public void onGetWalkingRouteResult(MKWalkingRouteResult res,
                int error) {
        }

    });

}

private void gotoLocate() {// 獲取所在位置
    Drawable marker = getResources().getDrawable(R.drawable.iconmarka); // 得到需要標在地圖上的資源
    marker.setBounds(0, 0, marker.getIntrinsicWidth(),
            marker.getIntrinsicHeight()); // 為maker定義位置和邊界
    mapView.getOverlays().clear();
    mapView.getOverlays().add(getOverlay);
    mapView.getOverlays().add(
            new OverItemT(marker, LBSProjectActivity.this, geoPoint, ""));

    mapView.getController().animateTo(geoPoint);
    mapController = mapView.getController();
    // 設置地圖的中心
    mapController.setCenter(geoPoint);
    // 設置地圖默認的縮放級別
    mapController.setZoom(16);
}

private void getInitLoc() {// 初始化時候獲取坐標
    try {

        LocationManager locationManager;
        String context = Context.LOCATION_SERVICE;
        locationManager = (LocationManager) getSystemService(context);
        // String provider = LocationManager.GPS_PROVIDER;

        Criteria criteria = new Criteria();
        criteria.setAccuracy(Criteria.ACCURACY_FINE);
        criteria.setAltitudeRequired(false);
        criteria.setBearingRequired(false);
        criteria.setCostAllowed(true);
        criteria.setPowerRequirement(Criteria.POWER_LOW);
        String provider = locationManager.getBestProvider(criteria, true);
        Location location = locationManager.getLastKnownLocation(provider);
        geoPoint = new GeoPoint((int) (location.getLatitude() * 1e6),
                (int) (location.getLongitude() * 1e6));
    } catch (Exception e) {
        // TODO: handle exception
    }
}

@Override
protected boolean isRouteDisplayed() {
    return false;
}

@Override
protected void onDestroy() {
    if (mapManager != null) {
        // 程序退出前需調用此方法
        mapManager.destroy();
        mapManager = null;
    }
    super.onDestroy();
}

@Override
protected void onPause() {
    if (mapManager != null) {
        // 終止百度地圖API
        mapManager.getLocationManager().removeUpdates(mLocationListener);
        mLocationOverlay.disableMyLocation();
        mLocationOverlay.disableCompass(); // 關閉指南針
        mapManager.stop();
    }
    super.onPause();
}

@Override
protected void onResume() {
    if (mapManager != null) {
        // 開啟百度地圖API
        // 注冊定位事件，定位后將地圖移動到定位點
        mapManager.getLocationManager().requestLocationUpdates(
                mLocationListener);
        mLocationOverlay.enableMyLocation();
        mLocationOverlay.enableCompass(); // 打開指南針
        mapManager.start();
    }
    super.onResume();
}

/**
 * * 實現MKSearchListener接口,用于實現異步搜索服務 * @author liufeng
 */
public class MySearchListener implements MKSearchListener {

    public void onGetAddrResult(MKAddrInfo result, int iError) {
    }

    public void onGetDrivingRouteResult(MKDrivingRouteResult result,
            int iError) {
    }

    /**
     * * POI搜索結果（范圍檢索、城市POI檢索、周邊檢索） * * @param result 搜索結果 * @param type
     * 返回結果類型（11,12,21:poi列表 7:城市列表） * @param iError 錯誤號（0表示正確返回）
     */
    @Override
    public void onGetPoiResult(MKPoiResult result, int type, int iError) {
        if (result == null) {
            return;
        }
        // PoiOverlay是baidu map api提供的用于顯示POI的Overlay
        PoiOverlay poioverlay = new PoiOverlay(LBSProjectActivity.this,
                mapView);
        // 設置搜索到的POI數據
        poioverlay.setData(result.getAllPoi());
        // 在地圖上顯示PoiOverlay（將搜索到的興趣點標注在地圖上）
        mapView.getOverlays().add(poioverlay);
    }


    public void onGetTransitRouteResult(MKTransitRouteResult result,
            int iError) {
    }


    public void onGetWalkingRouteResult(MKWalkingRouteResult result,
            int iError) {
    }
}

class GetOverlay extends Overlay {
    GeoPoint geo;

    @Override
    public void draw(Canvas canvas, MapView gmapView, boolean arg2) {
        super.draw(canvas, mapView, arg2);
        if (geo == null) {
            return;
        }
        Log.i("11111111111111111111", arg2 + "-------draw--");
    }

    @Override
    public boolean onTap(GeoPoint geo, MapView arg1) {
        geoPoint = geo;
        Drawable marker = getResources().getDrawable(R.drawable.iconmarka); // 得到需要標在地圖上的資源
        marker.setBounds(0, 0, marker.getIntrinsicWidth(),
                marker.getIntrinsicHeight()); // 為maker定義位置和邊界
        mapView.getOverlays().clear();
        mapView.getOverlays().add(getOverlay);
        mapView.getOverlays()
                .add(new OverItemT(marker, LBSProjectActivity.this,
                        geoPoint, ""));
        Log.i("11111111111111111111", geo.getLongitudeE6() / 1E6
                + "----------" + geo.getLatitudeE6() / 1E6);
        return super.onTap(geo, arg1);
    }

}

private static final int TOOLBAR0 = 0;
private static final int TOOLBAR1 = 1;
private static final int TOOLBAR2 = 2;
private static final int TOOLBAR3 = 3;

public boolean onCreateOptionsMenu(Menu menu) {
    menu.add(0, TOOLBAR0, 1, "KTV").setIcon(
            android.R.drawable.ic_btn_speak_now);
    menu.add(0, TOOLBAR1, 2, "學校").setIcon(
            android.R.drawable.ic_menu_myplaces);
    menu.add(0, TOOLBAR2, 3, "餐廳").setIcon(
            android.R.drawable.ic_menu_my_calendar);
    menu.add(0, TOOLBAR3, 4, "公園").setIcon(
            android.R.drawable.ic_menu_gallery);
    return super.onCreateOptionsMenu(menu);
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case 0:
        mSearch.poiSearchNearBy("KTV", geoPoint, 5000);//搜索ktv
        break;
    case 1:
        mSearch.poiSearchNearBy("學校", geoPoint, 5000);//.搜索學校
        break;
    case 2:
        mSearch.poiSearchNearBy("餐廳", geoPoint, 5000);//搜索餐廳
        break;
    case 3:
        mSearch.poiSearchNearBy("公園", geoPoint, 5000);//搜索公園
        break;
    }

    return super.onOptionsItemSelected(item);
}


}</pre>
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Android Android開發移動開發
Android 百度地圖-實現POI的搜索(搜索周邊)

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