如何使用 android 的新地点 sdk 查找附近的地点?
How to find nearby places using new places sdk for android?
我正在尝试应用 android 在 2019 年 1 月 29 日之后添加的新库。所有旧应用程序都在使用地图和 places sdk,它们的方法已被弃用。我试图阅读所有新文档,但新图书馆似乎不支持附近搜索,但仅支持当前位置。如果我说错了,请指正。
下面的代码是一个示例,您可以使用它来指导如何从 Android 应用程序中的 Java client 调用附近的搜索服务:
MapsActivity.java
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import androidx.fragment.app.FragmentActivity;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
import com.google.maps.model.PlacesSearchResult;
public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {
private Context mContext;
private GoogleMap mMap;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_maps);
SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map);
mapFragment.getMapAsync(this);
}
@Override
public void onMapReady(GoogleMap googleMap) {
mMap = googleMap;
PlacesSearchResult[] placesSearchResults = new NearbySearch().run().results;
Log.e("response1Tag", placesSearchResults[0].toString());
Log.e("response2Tag", placesSearchResults[1].toString());
double lat1 = placesSearchResults[0].geometry.location.lat;
double lng1 = placesSearchResults[0].geometry.location.lng;
double lat2 = placesSearchResults[1].geometry.location.lat;
double lng2 = placesSearchResults[1].geometry.location.lng;
mMap.addMarker(new MarkerOptions().position(new LatLng(lat1, lng1)));
mMap.addMarker(new MarkerOptions().position(new LatLng(lat2, lng2)));
mMap.setMinZoomPreference(14.0f);
mMap.moveCamera(CameraUpdateFactory.newLatLng(new LatLng(lat1, lng1)));
}
}
NearbySearch.java
import com.google.maps.GeoApiContext;
import com.google.maps.PlacesApi;
import com.google.maps.errors.ApiException;
import com.google.maps.model.PlaceType;
import com.google.maps.model.PlacesSearchResponse;
import com.google.maps.model.RankBy;
import com.google.maps.model.LatLng;
import java.io.IOException;
public class NearbySearch {
public PlacesSearchResponse run(){
PlacesSearchResponse request = new PlacesSearchResponse();
GeoApiContext context = new GeoApiContext.Builder()
.apiKey("MY_KEY")
.build();
LatLng location = new LatLng(-33.8670522, 151.1957362);
try {
request = PlacesApi.nearbySearchQuery(context, location)
.radius(5000)
.rankby(RankBy.PROMINENCE)
.keyword("cruise")
.language("en")
.type(PlaceType.RESTAURANT)
.await();
} catch (ApiException | IOException | InterruptedException e) {
e.printStackTrace();
} finally {
return request;
}
}
}
在build.gradle中添加:
implementation 'com.google.maps:google-maps-services:0.11.0'
截图:
请注意,您将用于调用 API 的 API 密钥应妥善保护,例如您可能需要设置代理服务器。看看these techniques.
希望对您有所帮助!
我正在尝试应用 android 在 2019 年 1 月 29 日之后添加的新库。所有旧应用程序都在使用地图和 places sdk,它们的方法已被弃用。我试图阅读所有新文档,但新图书馆似乎不支持附近搜索,但仅支持当前位置。如果我说错了,请指正。
下面的代码是一个示例,您可以使用它来指导如何从 Android 应用程序中的 Java client 调用附近的搜索服务:
MapsActivity.java
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import androidx.fragment.app.FragmentActivity;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
import com.google.maps.model.PlacesSearchResult;
public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {
private Context mContext;
private GoogleMap mMap;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_maps);
SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map);
mapFragment.getMapAsync(this);
}
@Override
public void onMapReady(GoogleMap googleMap) {
mMap = googleMap;
PlacesSearchResult[] placesSearchResults = new NearbySearch().run().results;
Log.e("response1Tag", placesSearchResults[0].toString());
Log.e("response2Tag", placesSearchResults[1].toString());
double lat1 = placesSearchResults[0].geometry.location.lat;
double lng1 = placesSearchResults[0].geometry.location.lng;
double lat2 = placesSearchResults[1].geometry.location.lat;
double lng2 = placesSearchResults[1].geometry.location.lng;
mMap.addMarker(new MarkerOptions().position(new LatLng(lat1, lng1)));
mMap.addMarker(new MarkerOptions().position(new LatLng(lat2, lng2)));
mMap.setMinZoomPreference(14.0f);
mMap.moveCamera(CameraUpdateFactory.newLatLng(new LatLng(lat1, lng1)));
}
}
NearbySearch.java
import com.google.maps.GeoApiContext;
import com.google.maps.PlacesApi;
import com.google.maps.errors.ApiException;
import com.google.maps.model.PlaceType;
import com.google.maps.model.PlacesSearchResponse;
import com.google.maps.model.RankBy;
import com.google.maps.model.LatLng;
import java.io.IOException;
public class NearbySearch {
public PlacesSearchResponse run(){
PlacesSearchResponse request = new PlacesSearchResponse();
GeoApiContext context = new GeoApiContext.Builder()
.apiKey("MY_KEY")
.build();
LatLng location = new LatLng(-33.8670522, 151.1957362);
try {
request = PlacesApi.nearbySearchQuery(context, location)
.radius(5000)
.rankby(RankBy.PROMINENCE)
.keyword("cruise")
.language("en")
.type(PlaceType.RESTAURANT)
.await();
} catch (ApiException | IOException | InterruptedException e) {
e.printStackTrace();
} finally {
return request;
}
}
}
在build.gradle中添加:
implementation 'com.google.maps:google-maps-services:0.11.0'
截图:
请注意,您将用于调用 API 的 API 密钥应妥善保护,例如您可能需要设置代理服务器。看看these techniques.
希望对您有所帮助!