test sipe in column

void main() => runApp(MaterialApp(
      home: new MyApp(),
    ));

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => new _MyAppState();
}

class _MyAppState extends State<MyApp> {

  var index=0;

  @override
  Widget build(BuildContext context) {
    
    return new Scaffold(
      appBar: new AppBar(),
      body: Padding(
        padding: const EdgeInsets.all(8.0),
        child: new Column(children: <Widget>[
          new Container(height: 200.0,color: Colors.grey,),
          Container(height: 100.0,
            child: new Swiper.children(
              autoplay: true,
              scrollDirection: Axis.horizontal,
              index: index,
              children: <Widget>[
              Container(height:100.0,color: Colors.red),
              Container(height:100.0,color: Colors.purple),
              Container(height:100.0,color: Colors.grey),
            ],),
          )
        ],),
      ),
    );
  }
}