MeuBaseAdapter.java

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    if(convertView == null) {
       LayoutInflater inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
       convertView = inflater.inflate(R.layout.child, parent);
    }
    TextView textView = (TextView) convertView.findViewById(R.id.textView);
    Object object = getItem(position);
    convertView.setText(object.toString());
    return convertView;
}