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

Jeremy Martin
PLUS
Jeremy Martin
Courses Plus Student 2,521 Points
Posted by Jeremy Martin
Jeremy Martin
Courses Plus Student 2,521 Points

For Loop: Parsing Data in JSON... Help! :-/

Here's my Task: (I've been looking at this for hours!) Finally, write a 'for' loop that loops through 'jsonBooks'. In each step of the loop, use 'getJSONObject(int index)' to get a JSONObject from the array. Then use the 'Log.i()' method (with "CodeChallenge" as the tag) to write the book title, a comma, a space, and the number of pages. Ex. output: 'Book title 1, 300'.

```JSON 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 } ] }

This is my code...

```JavaScript
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++) {
        JSONObject jsonBook = jsonBooks.getJSONObject(i);
    String title = jsonBook.getString("title");
    String pages = jsonBook.getString("pages");
    Log.i(CodeChallenge, title + ", " + pages);
}

4 Answers

Ben Rubin
PLUS
Ben Rubin
Courses Plus Student 14,658 Points
Ben Rubin
Ben Rubin
Courses Plus Student 14,658 Points

They actually want CodeChallenge to be a string, not a variable. So just update your Log.i statement to make CodeChallenge a string literal, and you've got it.

Jeremy Martin
PLUS
Jeremy Martin
Courses Plus Student 2,521 Points
Jeremy Martin
Jeremy Martin
Courses Plus Student 2,521 Points

Whaaat? Seriously... :-/ Smh, lol. That was it. Thanks Ben! You ROCK!

Toltec beginner
Toltec beginner
1,579 Points
Toltec beginner
Toltec beginner
1,579 Points

oh i was making a small mistake... i came across this and fixed the issue :)

Ajay Maheshwari
PLUS
Ajay Maheshwari
Courses Plus Student 6,423 Points
Ajay Maheshwari
Ajay Maheshwari
Courses Plus Student 6,423 Points

some small mistake in your code Check it 

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++) {
        JSONObject jsonBook = jsonBooks.getJSONObject(i);
    String title = jsonBook.getString("title");
    String pages = jsonBook.getString("pages");
    Log.i("CodeChallenge", title + ", " + pages);
}  ```