如何在flutter中创建垂直按钮？

Question

im try to created a verticle button on the left center screen in the flutter. First i created a Raised Button and rotate it using Rotated Box. But it keeping padding left side of the button. i dont want padding on the left side. How to possible it ?

  body: Stack(
        children: <Widget>[
          Align(
              alignment: Alignment.centerLeft,
              child: RotatedBox(
                  quarterTurns: 1,
                  child: RaisedButton(padding: EdgeInsets.all(0), color: Clr.primaryClr, onPressed: () {}, child: Text('SPORTS')))),
          pages[currentPage],
        ],
      ),

Answer 1

您可以使用以下方法删除按钮的填充：

RaisedButton(materialTapTargetSize: MaterialTapTargetSize.shrinkWrap)