flutter space between col code example

Example 1: flutter vertical space between containers

Column(
  children: <Widget>[
    Widget1(),
    SizedBox(height: 10),
    Widget2(),
  ],
),

Example 2: column remove space between flutter

Column(
   children: [
       SizedBox( // <-- use a sized box and change the height
         height: 40.0,
         child: ListTile(
         title: Text(element.controlConfig.label),
         ),
       ),
     ],
 ),