How to Fix java.util.NoSuchElementException in Android AsyncTask

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Understanding the Problem

The error you're encountering can be summarized by the following stack trace:

[[See Video to Reveal this Text or Code Snippet]]

This indicates that your background task in the AsyncTask class has thrown a NoSuchElementException. Specifically, it occurs when your code attempts to retrieve the next item from an iterator without first checking if an element is available.

The Code in Question

In your MedicalFeesReports class, the method responsible for this error is packReportData(). Looking closely at the snippet in question, we can see the problematic code:

[[See Video to Reveal this Text or Code Snippet]]

The Solution

To fix this issue, you need to change the do...while loop into a while loop, which checks the condition before accessing the next element. Here's how you can correctly implement it:

Updated Method: packReportData()

[[See Video to Reveal this Text or Code Snippet]]

Key Changes Explained

Converted the do...while to a while: This change ensures that the loop only attempts to fetch the next element if there is actually an element available, avoiding the NoSuchElementException altogether.

Conclusion

With this implementation, your application should now work more smoothly when fetching data for your users. Happy coding!