ExpansionTile

expansion_tile_part.dart

    return Expanded(
      child: ListView(
        children: gridTiles
            .map(
              (tile) => ListTile(
                contentPadding: EdgeInsets.all(10),
                leading: ClipRRect(
                  borderRadius: BorderRadius.circular(4),
                  child: Container(
                    padding: EdgeInsets.all(7),
                    color: tile['color'],
                    child: Icon(
                      tile['icon'],
                      color: Colors.white,
                    ),
                  ),
                ),
//                title: Text("Test"),
                title: ExpansionTile(
                  title: Text(
//                    tile['title'],
                  '',
                    style: TextStyle(
                      color: Colors.black,
                    ),
                  ),
                  children: <Widget>[
                    Text("test"),
                  ],
                ),
              ),
            )
            .toList(),
      ),
    );