Try This code both the Column Scroll at same time use can use only one controller to scroll the Both Column.
class _ConfirmEmailState extends State<ConfirmEmail> {
final ScrollController _mycontroller = new ScrollController();
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("hello"),
),
body: Container(
height: 100,
child: ListView(children: <Widget>[
Stack(children: <Widget>[
SingleChildScrollView(
controller: _mycontroller,
child: Column(
children: <Widget>[
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
Text('LEFT '),
],
)),
Column(
children: <Widget>[
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
Text(' RIGHT'),
],
)
]),
]),
));
}
}