nova-video-player/aos-AVP

IllegalStateException: The content of the adapter has changed but ListView did not receive a notification. Make sure the...

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#795 opened on Jan 3, 2023

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Importantbughelp wanted

Description

Sentry Issue: NOVA-VIDEO-PLAYER-38

IllegalStateException: The content of the adapter has changed but ListView did not receive a notification. Make sure the content of your adapter is not modified from a background thread, but only from the UI thread. Make sure your adapter calls notifyDataSetChanged() when its content changes. [in ListView(2131362362, class android.widget.ListView) with Adapter(class com.archos.mediacenter.video.utils.ScraperResultsAdapter)]
    at android.widget.ListView.layoutChildren(ListView.java:1814)
    at android.widget.AbsListView$FlingRunnable.run(AbsListView.java:5499)
    at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1010)
    at android.view.Choreographer.doCallbacks(Choreographer.java:809)
    at android.view.Choreographer.doFrame(Choreographer.java:740)
...
(8 additional frame(s) were not displayed)

Contributor guide

Tech stack
javaandroid
Domain
mobile
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Basic Android developmentUnderstanding of ListView and Adapter pattern
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65
Research direction
The crash occurs because the ListView adapter is modified from a background thread without calling notifyDataSetChanged() on the UI thread. Investigate the ScraperResultsAdapter class and the code that populates it (likely in an AsyncTask or thread). The fix is to ensure all adapter modifications and notifyDataSetChanged() calls happen on the main thread, e.g., using runOnUiThread() or a Handler. No linked PR or comments provide additional context; the Sentry link may offer more details on the crash frequency.