如何启用/禁用listview子项编辑

public class MyAdapter extends BaseAdapter {
    private List<Item> itemList;
    private boolean isEditing;

    public MyAdapter(List<Item> itemList) {
        this.itemList = itemList;
        this.isEditing = false;
    }

    public void setEditing(boolean isEditing) {
        this.isEditing = isEditing;
        notifyDataSetChanged();
    }

    @Override
    public int getCount() {
        return itemList.size();
    }

    @Override
    public Object getItem(int position) {
        return itemList.get(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public boolean isEnabled(int position) {
        return isEditing;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder viewHolder;

        if (convertView == null) {
            convertView = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item, parent, false);
            viewHolder = new ViewHolder();
            viewHolder.textView = convertView.findViewById(R.id.item_text);
            viewHolder.editButton = convertView.findViewById(R.id.edit_button);
            convertView.setTag(viewHolder);
        } else {
            viewHolder = (ViewHolder) convertView.getTag();
        }

        Item item = itemList.get(position);
        viewHolder.textView.setText(item.getName());

        if (isEditing) {
            viewHolder.editButton.setVisibility(View.VISIBLE);
        } else {
            viewHolder.editButton.setVisibility(View.GONE);
        }

        return convertView;
    }

    private static class ViewHolder {
        TextView textView;
        Button editButton;
    }
}