title: Android JSONException no value for mediaGroup
body: <p>I am trying to access the next level of my JSON result. However it keeps saying that there is not value for the mediaGroup element. I have only managed to the other elements on the same level such as title, contentSnippet and publishedDate</p>
  
  <p>This is part of the json result</p>
  
  <pre><code>{
  "responseData": {
      "feed": {
          "feedUrl": "http://www.abc.net.au/news/feed/51120/rss.xml",
          "title": "Just In",
          "link": "http://www.abc.net.au/news/justin/",
          "author": "",
          "description": "",
          "type": "rss20",
          "entries": [
              {
                  "mediaGroups": [
                      {
                          "contents": [
                              {
                                  "url": "http://www.abc.net.au/news/image/6951914-16x9-2150x1210.jpg",
                                  "type": "image/jpeg",
                                  "medium": "image",
                                  "height": 1210,
                                  "width": 2150,
                                  "lang": "en-US",
                                  "description": "The stockpile at Longford contains more than a million tyres. (ABC News: Damian McIntyre)",
                                  "thumbnails": [
                                      {
                                          "height": 105,
                                          "width": 140,
                                          "url": "http://www.abc.net.au/news/image/6951914-4x3-140x105.jpg"
                                      }
                                  ]
                              },
                              {
                                  "url": "http://www.abc.net.au/news/image/6951914-4x3-940x705.jpg",
                                  "type": "image/jpeg",
                                  "medium": "image",
                                  "height": 705,
                                  "width": 940,
                                  "lang": "en-US",
                                  "description": "The stockpile at Longford contains more than a million tyres. (ABC News: Damian McIntyre)",
                                  "thumbnails": [
                                      {
                                          "height": 105,
                                          "width": 140,
                                          "url": "http://www.abc.net.au/news/image/6951914-4x3-140x105.jpg"
                                      }
                                  ]
                              },
                              {
                                  "url": "http://www.abc.net.au/news/image/6951914-3x2-940x627.jpg",
                                  "type": "image/jpeg",
                                  "medium": "image",
                                  "isDefault": "true",
                                  "height": 627,
                                  "width": 940,
                                  "lang": "en-US",
                                  "description": "The stockpile at Longford contains more than a million tyres. (ABC News: Damian McIntyre)",
                                  "thumbnails": [
                                      {
                                          "height": 105,
                                          "width": 140,
                                          "url": "http://www.abc.net.au/news/image/6951914-4x3-140x105.jpg"
                                      }
                                  ]
                              },
                              {
                                  "url": "http://www.abc.net.au/news/image/6951914-3x4-940x1253.jpg",
                                  "type": "image/jpeg",
                                  "medium": "image",
                                  "height": 1253,
                                  "width": 940,
                                  "lang": "en-US",
                                  "description": "The stockpile at Longford contains more than a million tyres. (ABC News: Damian McIntyre)",
                                  "thumbnails": [
                                      {
                                          "height": 105,
                                          "width": 140,
                                          "url": "http://www.abc.net.au/news/image/6951914-4x3-140x105.jpg"
                                      }
                                  ]
                              },
                              {
                                  "url": "http://www.abc.net.au/news/image/6951914-1x1-1400x1400.jpg",
                                  "type": "image/jpeg",
                                  "medium": "image",
                                  "height": 1400,
                                  "width": 1400,
                                  "lang": "en-US",
                                  "description": "The stockpile at Longford contains more than a million tyres. (ABC News: Damian McIntyre)",
                                  "thumbnails": [
                                      {
                                          "height": 105,
                                          "width": 140,
                                          "url": "http://www.abc.net.au/news/image/6951914-4x3-140x105.jpg"
                                      }
                                  ]
                              }
                          ]
                      }
                  ],
                  "title": "New proposed tyre shredding facility receives EPA approval",
                  "link": "http://www.abc.net.au/news/2016-05-28/tyre-shredding-facility-proposed-tasmania-south-epa-approval/7456326",
                  "author": "",
                  "publishedDate": "Fri, 27 May 2016 23:42:46 -0700",
                  "contentSnippet": "A long-term solution to Tasmania's tyre waste problem is on the horizon, with a new facility preparing to shred thousands of ...",
                  "content": "&lt;p&gt;A long-term solution to Tasmania's tyre waste problem is on the horizon, with a new facility preparing to shred thousands of tyres every year.&lt;/p&gt;",
                  "categories": [
                      "Environmental Impact",
                      "Environment",
                      "Government and Politics"
                  ]
  </code></pre>
  
  <p>This is my code to parse it out</p>
  
  <pre><code>public List&lt;NewsObj&gt; constructJSON(String jsonIN){
      ArrayList&lt;NewsObj&gt; newsList = new ArrayList&lt;&gt;();
      try{
          //add more levels to extract json
          JSONObject jsonObject1 = new JSONObject(jsonIN);
          String responseData = jsonObject1.getString("responseData");
          Log.d("RECEIVEJSONOBJECTLEVEL1",responseData);
  
          JSONObject jsonObject2 = new JSONObject(responseData);
          String feed = jsonObject2.getString("feed");
          Log.d("RECEIVEJSONOBJECTLEVEL2",feed);
  
          JSONObject jsonObject3 = new JSONObject(feed);
          String entries = jsonObject3.getString("entries");
          Log.d("RECEIVEJSONOBJECTLEVEL3",entries); //this opens up further thumbnail sizes
  
  
  
          JSONArray jsonArray1 = new JSONArray(entries);
          for(int i=0; i&lt;jsonArray1.length();i++){
              JSONObject mediaGroups = jsonArray1.getJSONObject(i);
              JSONArray jsonArray2 = mediaGroups.getJSONArray("mediaGroups");
              String title = mediaGroups.getString("title");
              String url = mediaGroups.getString("link");
              String description = mediaGroups.getString("contentSnippet");
              String publishedDate = mediaGroups.getString("publishedDate");
  //                main information for news article
              Log.d("RECEIVEJSONOBJECTLEVEL4",title);
              Log.d("RECEIVEJSONOBJECTLEVEL4",url);
              Log.d("RECEIVEJSONOBJECTLEVEL4",description);
              Log.d("RECEIVEJSONOBJECTLEVEL4",publishedDate);
              NewsObj aObj = new NewsObj(title,url,publishedDate);
              newsList.add(aObj);
  </code></pre>
  
  <p>I can't seem to find any value from mediaGroup. Please help</p>