Inconsistency detected in RecyclerView, How to change contents of RecyclerView while scrolling

Edit: The bug is fixed now, if you're still getting the same Exception, please make sure you're updating your Adapter data source only from the main thread and calling appropriate adapter notify method after it.

Old answer: It seems to be a bug in RecyclerView, it's reported here and here. Hopefully it will be fixed in the next release.

No problem for me. Use NotifyDataSetChanged();

public class MyFragment extends Fragment{

    private MyAdapter adapter;

    // Your code

    public void addArticle(){
        ArrayList<Article> list = new ArrayList<Article>();
        //Add one article in this list

        adapter.addArticleFirst(list); // or adapter.addArticleLast(list);
    }
}

public class ArticleAdapterRecycler extends RecyclerView.Adapter<ArticleAdapterRecycler.ViewHolder> {

    private ArrayList<Article> Articles = new ArrayList<Article>();
    private Context context;


    // Some functions from RecyclerView.Adapter<ArticleAdapterRecycler.ViewHolder>    

    // Add at the top of the list.

    public void addArticleFirst(ArrayList<Article> list) {
        Articles.addAll(0, list);
        notifyDataSetChanged();
    }

    // Add at the end of the list.

    public void addArticleLast(ArrayList<Article> list) {
        Articles.addAll(Articles.size(), list);
        notifyDataSetChanged();
    }
}

Just prohibit RecyclerView's scroll when data is changing.

Like as my code:

mRecyclerView.setOnTouchListener(
        new View.OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent event) {
                if (mIsRefreshing) {
                    return true;
                } else {
                    return false;
                }
            }
        }
);

More about: http://drakeet.me/recyclerview-bug-indexoutofboundsexception-inconsistency-detected-invalid-item-position-solution