Scaffold 是承載material design 控制元件的佈局控制元件，可以展示drawers、snack bars、bottom sheets。每個頁面的佈局都是在這裡面。相當於iOS中UIViewController中的self.view。

屬性介紹：

程式碼如下：

new Scaffold(
      appBar: new AppBar(
        title: new Text('文字元件'),
      ),
      backgroundColor: Colors.grey,
      bottomNavigationBar: BottomAppBar(
        child: Container(
          height: 50.0,
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () {},
        tooltip: '增加',
        child: Icon(Icons.add),
      ),
      floatingActionButtonLocation: FloatingActionButtonLocation.centerDocked,
      body: new Column(
        children: 
 
<Widget>[
          new Text(
            '紅色+黑色刪除線+25號',
            style: new TextStyle(
                color: const Color(0xffff0000),
                decoration: TextDecoration.lineThrough,
                decorationColor: const Color(0xff000000),
                fontSize: 25.0),
          ),
          new Text(
            '橙色+下劃線+24號',
            style: new TextStyle(
              color: const Color(0xffff9900),
              decoration: TextDecoration.underline,
              fontSize: 24.0,
            ),
          ),
          new Text(
            '虛線上劃線+23號+傾斜',
            style: new TextStyle(
              decoration: TextDecoration.overline,
              decorationStyle: TextDecorationStyle.dashed,
              fontSize: 23.0,
              fontStyle: FontStyle.italic,
            ),
          ),
          new Text(
            '24號+加粗',
            style: new TextStyle(
              fontSize: 23.0,
              fontStyle: FontStyle.italic,
              fontWeight: FontWeight.bold,
              letterSpacing: 6.0,
            ),
          )
        ],
      ),
)