Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

Android Android Lists and Adapters (2015) Updating the Data Model Using JSONArray

How do i use the string value here?

Do i have to convert it to a String?

Or how am i supposed to take that value if i don't gave a method like: jsonShows.setTitle?

CodeChallenge.java
// JSONObject 'jsonData' was loaded from data.json
JSONArray jsonShows = jsonData.getJSONArray("shows");

for (int i=0;i<jsonShows.length();i++)
{
  JSONObject title = jsonShows.getJSONObject(i);
  Log.i("CodeChallenge", title);
}
data.json
{
    "name":"Netflix Playlist",
    "shows":[
        {
            "title":"Doctor Who",
            "season":8,
            "episode":3
        },
        {
            "title":"Arrow",
            "season":1,
            "episode":10
        },
        {
            "title":"Portlandia",
            "season":4,
            "episode":5
        }
    ]
}

1 Answer

Hariidaran Tamilmaran
seal-mask
.a{fill-rule:evenodd;}techdegree
Hariidaran Tamilmaran
iOS Development Techdegree Student 19,305 Points

The variable title, is a JSONObject, not a String. That's likely to cause an error in your app. So what you should actually do this:

CodeChallenge.java
// JSONObject 'jsonData' was loaded from data.json
JSONArray jsonShows = jsonData.getJSONArray("shows");

for (int i=0; i<jsonShows.length(); i++) {
    // jsonShows is actually an array of objects, not strings
    JSONObject show = jsonShows.getJSONObject(i);

    // You can now declare a variable holding the show's name, or just type it in
    String title = show.getString("title");

    Log.i("CodeChallenge", title);
}

And it's ok, you don't have to be a genius to remember this. I actually had to refer to my project to help you in your problem.

Hope this helps!

Yours truly, Hariidaran