问题描述
这是第一次使用谷歌地图API和谷歌地点API.我正在做一个演示应用程序，显示最接近用户位置的列表医院(例如)以及到每家医院的路线.我能够使用以下代码获取用户的位置:
This is the first time using google map API and google places API. I am doing a demo application that displays the list hospitals (for example) nearest to the user's location with routes to each of the hospitals. I been able to get the user's location with the code below the:
public class MainActivity extends ActionBarActivity {
private GoogleMap map;
UiSettings mapSettings;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
map = ((MapFragment) getFragmentManager().findFragmentById(R.id.map)).getMap();
if (map != null) {
// map.addMarker(new MarkerOptions().position(myLocation).title("Start"));
map.setMyLocationEnabled(true);
mapSettings = map.getUiSettings();
mapSettings.setScrollGesturesEnabled(true);
mapSettings.setZoomControlsEnabled(true);
}
}
}
xml 文件:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">
<fragment
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.MapFragment" />
</RelativeLayout>
我的问题是如何使用谷歌地点 API 获取医院列表并显示它们.任何帮助、提示、演练或教程都将非常有用.提前致谢.
My question how do I get the list of hospitals using google places API and display them. Any help,tips,walkthrough or tutorials will really be appericaited.Thanks in Advance.
推荐答案
对于 Android，我尝试使用 Android 位置选择器.它可以向您的应用程序添加内置地点选择器 UI 小部件，以便用户可以从地图上显示的一组附近地点中进行选择.它易于使用，您只需要做的是:
For Android, I tried to use Place picker for Android. It can add the built-in place picker UI widget to your app, so users can choose from a set of nearby places displayed on a map. It easy to use, you just need to do is:
int PLACE_PICKER_REQUEST = 1;
PlacePicker.IntentBuilder builder = new PlacePicker.IntentBuilder();
startActivityForResult(builder.build(this), PLACE_PICKER_REQUEST);
它会显示下面的用户界面为您选择一个地点，您可以使用下面的方法获取地点信息:
It will show the UI below to pick a place for you, and you can get the place info by using below:
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == PLACE_PICKER_REQUEST) {
if (resultCode == RESULT_OK) {
Place place = PlacePicker.getPlace(data, this);
String toastMsg = String.format("Place: %s", place.getName());
Toast.makeText(this, toastMsg, Toast.LENGTH_LONG).show();
}
}
}
For more details, please refer to guide here and code here.
但是，它不能设置地点类型，因为它没有 Build in UI 的功能.如果你真的需要设置，你应该使用 Google Places API Web Service API 此处，自己搜索位置，解析 JSON 数据，然后显示在您自己的 UI 上.
However, it cannot set the place type because it no feature for the Build in UI.. If you really need to set, you should use Google Places API Web Service API here, search the location yourself, parse the JSON data, and show on your own UI.
附近搜索可让您搜索指定区域内的地点.您可以通过提供关键字或指定要搜索的地点类型来优化搜索请求.
A Nearby Search lets you search for places within a specified area. You can refine your search request by supplying keywords or specifying the type of place you are searching for.
附近搜索请求是以下形式的 HTTP URL:
A Nearby Search request is an HTTP URL of the following form:
https://maps.googleapis.com/maps/api/place/nearbysearch/output?parameters
注意在参数中需要设置types=hospital
编辑
有关如何使用 Google 地点 API Web API Web 服务 API 以 JSON 格式传递特定位置搜索请求的示例.
Example on how to pass the search request for specific locations in JSON using the google places API web API web service API.
请求
location: -33.8670,151.1957
radius: 500
types: food
name: cruise
key: API_KEY
网址:
和响应 JSON 如下:
and Response JSON like this:
{
"debug_log" : {
"line" : []
},
"html_attributions" : [],
"logging_info" : {
"experiment_id" : [],
"query_geographic_location" : "AU"
},
"results" : [
{
"geometry" : {
"location" : {
"lat" : -33.86879,
"lng" : 151.194217
}
},
"icon" : "http://maps.gstatic.com/mapfiles/place_api/icons/restaurant-71.png",
"id" : "21a0b251c9b8392186142c798263e289fe45b4aa",
"name" : "Rhythmboat Cruises",
"opening_hours" : {
"open_now" : false,
"weekday_text" : []
},
"photos" : [
{
"height" : 426,
"html_attributions" : [
"u003ca href="https://www.google.com/maps/views/profile/104066891898402903288"u003eRhythmboat Cruisesu003c/au003e"
],
"photo_reference" : "CmRdAAAA-YL_I_Gk02blOX6S0nKHry8PFu9pDyp3Y9AnqISsa3Eq8mkbdD5mXuu1Fax60s0nSy3iiX-h5j-ztyLHcc1-782MsLQsgLLa4t3ZgDmCMll-a8ABapZGnZwDKByk67LFEhBgedv_u_eYFsEo9ay8jxJjGhTUHKPJ4G82vBJqSNliuv7UlAtclw",
"width" : 640
}
],
"place_id" : "ChIJyWEHuEmuEmsRm9hTkapTCrk",
"reference" : "CnRmAAAAvQlMKw-XtxEY4vWFCvudF7CEMQGI5ycNbfVgGl9rAF75fdiPOiLJw1k9NL2v8ZIJsOJuRS3Lm9Dw1vga4ajycAs7PlxN1MVnnYT9la0pBvEvSQNlyvszKANS1R4P7Mvk_jhqswMggqCUtwJ13LN2hRIQOiAkLTWUi3DOjVVOw7J5IRoUb_cJyJaJNqKdmkDM2f0OjQjh9F0",
"scope" : "GOOGLE",
"types" : [ "restaurant", "food", "point_of_interest", "establishment" ],
"vicinity" : "Pyrmont Bay Wharf (Near Australia Maritime Museum), Pyrmont, NSW 2009"
},
{
"geometry" : {
"location" : {
"lat" : -33.867591,
"lng" : 151.201196
}
},
"icon" : "http://maps.gstatic.com/mapfiles/place_api/icons/restaurant-71.png",
"id" : "a97f9fb468bcd26b68a23072a55af82d4b325e0d",
"name" : "Australian Cruise Group",
"opening_hours" : {
"open_now" : false,
"weekday_text" : []
},
"photos" : [
{
"height" : 1331,
"html_attributions" : [
"u003ca href="https://www.google.com/maps/views/profile/110751364053842618118"u003eAustralian Cruise Groupu003c/au003e"
],
"photo_reference" : "CmRdAAAAtEoj29FJcNBccrsu6bHt0xgwVGhYlciCY1fe6gTr_d5_KkeP3LITnOwnpNRJWnX39B04-aIBOKXKJH6ltx948T5vWIYBoah1yZDXsWngWZ5kMsK7xyCB5P_q_xBIBxxUEhAYWeB4PiOm_Jy093fB-j0iGhSYmIs9xB2aa6u-RH8V8lZEk-Q5ig",
"width" : 2000
}
],
"place_id" : "ChIJrTLr-GyuEmsRBfy61i59si0",
"reference" : "CnRqAAAAFbukrZvRNsc05TreHUCrPEya5NcN9v0fFLLaK-D1fSyxFTuQlUDhDstU3qwXKw_fADX4W6guUkexax1nufgiYIuGCKoZPEnup1r-LhGGNz9dn1uf9Of5iOtZ1XgCeDjJaYvGbSB3C0pAXL8r9kOsmhIQbx2Sia2DAWTjtSZwuh5aehoUhM6upqBCDLhGruZAGGsCOwAiIq8",
"scope" : "GOOGLE",
"types" : [
"restaurant",
"travel_agency",
"food",
"point_of_interest",
"establishment"
],
"vicinity" : "32 The Promenade, King Street Wharf 5, Sydney"
},
{
"geometry" : {
"location" : {
"lat" : -33.870943,
"lng" : 151.190311
}
},
"icon" : "http://maps.gstatic.com/mapfiles/place_api/icons/bar-71.png",
"id" : "e644f7f34cf875b9919c6548f1b721947362850a",
"name" : "Lunch Cruise with Jazz on Sydney Harbour",
"opening_hours" : {
"open_now" : false,
"weekday_text" : []
},
"photos" : [
{
"height" : 292,
"html_attributions" : [
"u003ca href="https://www.google.com/maps/views/profile/105423912060796272053"u003eFrom a Google Useru003c/au003e"
],
"photo_reference" : "CmRdAAAAR4bqFTKYWdBwZwdBdON_JRD7V_joTwwIPwRUpZIZWkSSd8GQ3P2O-_aQbUJdL2RhoAyzCUIF0f--DI4oXFneTpj5zZfFq-iFiT7i_x0tjnDveIY8tJv-6o0uWSSjYqabEhCKqQWZqrKAoddjDcc64N48GhQZ2T1_ntPzNKCooHpZzlYQ7AxFOA",
"width" : 438
}
],
"place_id" : "ChIJLfySpTOuEmsRPCRKrzl8ZEY",
"reference" : "CoQBewAAAFd2fO_YWGTiT4RzXWb5tsOuOt7YyV_ScQOwm0tqJSrAyACCczeOzV-P_mgZLro1oKP_34Nt0nVC_1OEKAQUcd7cUm7xmAMSX-EkbSWiD0kOWGgGgKuDRtb0t_8qsxBGU_izugWCyK7SRWezTxELYNdkS0OEiSWPnvhxvXuQktBBEhAAtEe7fagW2kUR14T1QpVsGhQBO7YpIyYSPvo4zUJuL_bX30nJZw",
"scope" : "GOOGLE",
"types" : [ "bar", "restaurant", "food", "point_of_interest", "establishment" ],
"vicinity" : "37 Bank St, Pyrmont"
}
],
"status" : "OK"
}
以下示例返回英国伦敦附近的医院列表.
The below example returns a list of hospitals near London, England.
https://maps.googleapis.com/maps/api/place/nearbysearch/json?location=51.503186,-0.126446&radius=5000&types=hospital&key=API_KEY
有关详细信息，请参阅此处.
For more details please refer here.
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