Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

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

Posted by Abhinav Raj
Abhinav Raj
2,697 Points

Using JSONArray Challenge Task 2 of 2 Whats wrong with my code?

I am unable to solve this challenge please let me know whats wrong with my code,Unable print movie title using log, Error "Your Loop should run three times"

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

for(int i=0;i<jsonShows.length();i++){

  JSONObject jsonMovie=jsonShows.getJSONObject(i);

  Log.i("CodeChallenge",jsonMovie.getString("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
        }
    ]
}

2 Answers

Ken Alger
STAFF
Ken Alger
Treehouse Teacher
Ken Alger
Ken Alger
Treehouse Teacher

Abhinav;

In the assignment for jsonShows you are trying to get data from "jsonShows", which doesn't exist in that data model. You should be getting data from the "shows" object. With that change you should be good.

Not sure why that isn't caught as an error in Task 1.

Happy coding,
Ken

Abhinav Raj
Abhinav Raj
2,697 Points
Abhinav Raj
Abhinav Raj
2,697 Points

Thanks Ken for the help i sorted it out as soon as i posted this question.