title: ListView.builder scroll item by item in flutter
body: <p>I have a horizontal <code>ListView</code> and I want to force the user to scroll one item at a time, how can I achieve that?</p>
  
  <pre><code>return Container(
      height: 120.0,
      padding: EdgeInsetsDirectional.only(start: 8.0),
      child: ListView.builder(
             itemBuilder: _buildListItem(),
             scrollDirection: Axis.horizontal,
             itemCount: arrayItems.length,
             ),
  );
  </code></pre>