在Android中解析JSON响应

StackOverflow https://stackoverflow.com/questions/4307380

  •  29-09-2019
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题

我正在编写针对Android的HTTPGET请求，该请求查询附近活动的Foursquare API。我收到的JSON回应是 

{"groups": [
{
  "type": "Nearby",
  "venues": [
    {
      "id": 2587838,
      "name": "Marriott Druids Glen Hotel Newtownmountkennedy",
      "primarycategory": {
        "id": 79281,
        "fullpathname": "Travel:Resort",
        "nodename": "Resort",
        "iconurl": "http://foursquare.com/img/categories/travel/resort.png"
      },
      "address": "Newtownmountkennedy",
      "city": "Newtownmountkennedy",
      "state": "",
      "verified": false,
      "geolat": 53.091717,
      "geolong": -6.079162,
      "stats": {
        "herenow": "0"
      },
      "distance": 5596
    },

可以有许多这样的场所。我可以使用此代码来打印它的场地信息 

InputStream instream = entity.getContent();
String result= convertStreamToString(instream);
Log.i("Hoosheer0",result);

// A Simple JSONObject Creation
JSONObject json=new JSONObject(result);
JSONArray venues = json.getJSONArray("groups");
//JSONArray docsArray = jObject.getJSONArray("docs");
for (int i = 0; i<venues.length();i++){
    String name = venues.getJSONObject(i).optString("venues");
    //String venueName = name.
    Log.i("This is a name... pleasse", name);
}

instream.close();

如何访问Geolat＆Geolong值？

有帮助吗？

解决方案

我相信将此代码放入您的横向上应该可以解决：

JSONObject venueObject = venues.getJSONObject(i);
double geoLat = venueObject.getDouble("geolat");
double geoLong = venueObject.getDouble("geolong");

其他提示

您可以检查 这里 并选择一个JSON库来获取这些值。

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