mButton.setOnClickListener(new View.OnClickListener() {
    public void onClick(View v) {
        refreshListView(data);
    }
});

public void refreshListView(ArrayList data) {
     // I am setting setNotifyOnChange() to false
     // to prevent notifyDataSetChanged() to be triggered twice, by clear() and by addAll()
     mArrayAdapter.setNotifyOnChange(false)
     mArrayAdapter.clear();
     mArrayAdapter.addAll(data);
     // I am triggering notifyDataSetChanged() explicitely
     mArrayAdapter.notifyDataSetChanged();
     mListView.post(new Runnable() {
        @Override
        public void run() {
            // this is to reset to the top of the list, after the list has been populated
            mListView.setSelectionAfterHeaderView();
        }
     });
}