class EditDict extends StatelessWidget { @override Widget build(BuildContext context) { // TODO: implement build return SafeArea(child: Scaffold( appBar: AppBar(title: Text('Edit Dict:'),), body: Container( double.infinity, height: double.infinity, child: SingleChildScrollView( scrollDirection: Axis.horizontal, child: SingleChildScrollView( scrollDirection: Axis.vertical, child: DataTableDemo(), ), ), ), ),); } }