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Android Build a Blog Reader Android App Getting Data from the Web Parsing Data Returned in JSON Format

Need help with the code!

;;; // JSONObject 'jsonData' was loaded from data.json String name = jsonData.getString("name"); String publisher = jsonData.getString("publisher"); String language = jsonData.getString("language");

JSONArray jsonBooks = jsonData.getJSONArray("books");

for(int i=0; i<jsonBooks.length(); i++){ private static final String TAG = "CodeChallenge"; JSONObject jsonBook = jsonBooks.getJSONObject(i); String nPages = jsonBook.getString("pages"); Log.i(TAG, "'Book title "+(i+1)+", "+nPages+"'."); } ;;;

The above code is not running!!

JSONChallenge.java
// JSONObject 'jsonData' was loaded from data.json
String name = jsonData.getString("name");
String publisher = jsonData.getString("publisher");
String language = jsonData.getString("language");

JSONArray jsonBooks = jsonData.getJSONArray("books");

for(int i=0; i<jsonBooks.length(); i++){
  private static final String TAG = "CodeChallenge";
  JSONObject jsonBook = jsonBooks.getJSONObject(i);
  String nPages = jsonBook.getString("pages");
  Log.i(TAG, "'Book title "+(i+1)+", "+nPages+"'.");
}
data.json
{
    "name":"Treehouse Book Series",
    "publisher":"Wiley",
    "language":"English",
    "books":[
        {
            "title":"HTML5 Foundations",
            "author":"Matt West",
            "pages":384
        },
        {
            "title":"CSS3 Foundations",
            "author":"Ian Lunn",
            "pages":352
        }
    ]
}