Question

我正在尝试使用Google Places API获取附近地点的列表。我已从Google Devloper控制台启用了需要的API并拥有有效的API密钥。我能够得到我的位置。在我得到我当前的位置后，我试图获得附近的地方列表，但它返回空。

我也尝试过null PlaceFilter，但结果相同。

private class MyGoogleMapOnMyLocationListener implements
            OnMyLocationChangeListener,
            ConnectionCallbacks,
            OnConnectionFailedListener {
        private GoogleApiClient mGoogleApiClient;

        @Override
        public void onMyLocationChange(Location location) {
            if (!hasLastLocation) {
                hasLastLocation = true;
                mLastLocation = location;
                Log.d(LOG_TAG, "Location: " + location.toString());

                if (googleMap != null ) {
                    googleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(
                            new LatLng(location.getLatitude(), location.getLongitude()), 16.0f));

                    if (mGoogleApiClient == null) {
                        mGoogleApiClient = new GoogleApiClient
                                .Builder(getActivity())
                                .addApi(Places.GEO_DATA_API)
                                .addApi(Places.PLACE_DETECTION_API)
                                .addConnectionCallbacks(this)
                                .addOnConnectionFailedListener(this)
                                .build();
                        mGoogleApiClient.connect();
                    }
                }
            }
        }

        @Override
        public void onConnected(Bundle bundle) {
            Log.d(LOG_TAG, "Google Api Client connected.");

            if (mGoogleApiClient != null) {
                Log.d(LOG_TAG, "Getting nearby places...");

                PendingResult<PlaceLikelihoodBuffer> result =
                        Places.PlaceDetectionApi.getCurrentPlace(mGoogleApiClient, null);

                result.setResultCallback(new ResultCallback<PlaceLikelihoodBuffer>() {
                    @Override
                    public void onResult(PlaceLikelihoodBuffer likelyPlaces) {
                        Log.d(LOG_TAG, "Got results: " + likelyPlaces.getCount() + " place found.");

                        for (PlaceLikelihood placeLikelihood : likelyPlaces) {
                            Log.i(LOG_TAG, String.format("Place '%s' has likelihood: %g",
                                    placeLikelihood.getPlace().getName(),
                                    placeLikelihood.getLikelihood()));
                        }

                        likelyPlaces.release();
                    }
                });
            }
        }

        @Override
        public void onConnectionSuspended(int i) {

        }

        @Override
        public void onConnectionFailed(ConnectionResult connectionResult) {

        }
    }

这是我的AndroidManifest.xml

这是我的地图Fragment

我遵循了Google Places API for Android

的说明

我已尝试接受这个问题的答案： Show Current Location and Nearby Places and Route between two places using Google Maps API in Android

更新

我已经从Google Developer Console启用了其他与地图相关的API，但它确实有效。

Answer 1

您可以考虑给定代码和完整的Demo

import org.apache.http.client.HttpResponseException;

import android.util.Log;

import com.google.api.client.googleapis.GoogleHeaders;
import com.google.api.client.http.GenericUrl;
import com.google.api.client.http.HttpRequest;
import com.google.api.client.http.HttpRequestFactory;
import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.http.json.JsonHttpParser;
import com.google.api.client.json.jackson.JacksonFactory;

@SuppressWarnings("deprecation")
public class GooglePlaces {

    /** Global instance of the HTTP transport. */
    private static final HttpTransport HTTP_TRANSPORT = new NetHttpTransport();

    // Google API Key
    private static final String API_KEY = "<Your KEY>";

    // Google Places serach url's
    private static final String PLACES_SEARCH_URL = "https://maps.googleapis.com/maps/api/place/search/json?";
    private static final String PLACES_TEXT_SEARCH_URL = "https://maps.googleapis.com/maps/api/place/search/json?";
    private static final String PLACES_DETAILS_URL = "https://maps.googleapis.com/maps/api/place/details/json?";

    private double _latitude;
    private double _longitude;
    private double _radius;

    /**
     * Searching places
     * @param latitude - latitude of place
     * @params longitude - longitude of place
     * @param radius - radius of searchable area
     * @param types - type of place to search
     * @return list of places
     * */
    public PlacesList search(double latitude, double longitude, double radius, String types)
            throws Exception {

        this._latitude = latitude;
        this._longitude = longitude;
        this._radius = radius;

        try {

            HttpRequestFactory httpRequestFactory = createRequestFactory(HTTP_TRANSPORT);
            HttpRequest request = httpRequestFactory
                    .buildGetRequest(new GenericUrl(PLACES_SEARCH_URL));
            request.getUrl().put("key", API_KEY);
            request.getUrl().put("location", _latitude + "," + _longitude);
            request.getUrl().put("radius", _radius); // in meters
            request.getUrl().put("sensor", "false");
            if(types != null)
                request.getUrl().put("types", types);

            PlacesList list = request.execute().parseAs(PlacesList.class);
            // Check log cat for places response status
            Log.d("Places Status", "" + list.status);
            return list;

        } catch (HttpResponseException e) {
            Log.e("Error:", e.getMessage());
            return null;
        }

    }

    /**
     * Searching single place full details
     * @param refrence - reference id of place
     *                 - which you will get in search api request
     * */
    public PlaceDetails getPlaceDetails(String reference) throws Exception {
        try {

            HttpRequestFactory httpRequestFactory = createRequestFactory(HTTP_TRANSPORT);
            HttpRequest request = httpRequestFactory
                    .buildGetRequest(new GenericUrl(PLACES_DETAILS_URL));
            request.getUrl().put("key", API_KEY);
            request.getUrl().put("reference", reference);
            request.getUrl().put("sensor", "false");

            PlaceDetails place = request.execute().parseAs(PlaceDetails.class);

            return place;

        } catch (HttpResponseException e) {
            Log.e("Error in Perform Details", e.getMessage());
            throw e;
        }
    }

    /**
     * Creating http request Factory
     * */
    public static HttpRequestFactory createRequestFactory(
            final HttpTransport transport) {
        return transport.createRequestFactory(new HttpRequestInitializer() {
            public void initialize(HttpRequest request) {
                GoogleHeaders headers = new GoogleHeaders();
                headers.setApplicationName("AndroidHive-Places-Test");
                request.setHeaders(headers);
                JsonHttpParser parser = new JsonHttpParser(new JacksonFactory());
                request.addParser(parser);
            }
        });
    }

}

Android：使用Google Places API查找附近的地点

更新

1 个答案: