notifyDataSetChange not working from custom adapter

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http://stackoverflow.com – When I repopulate my ListView, I call a specific method from my Adapter. Problem: When I call updateReceiptsList from my Adapter, the data is refreshed, but my ListView doesn't reflect the change. Question: Why doesn't my ListView show the new data when I call notifyDataSetChanged? Adapter: public class ReceiptListAdapter extends BaseAdapter { public List<Receipt> receiptlist; private Context context; private LayoutInflater inflater; private DateHelpers dateH; public ReceiptListAdapter(Activity activity, Context mcontext, List<Receipt> rl) { con (HowTos)