问扩展的上升按钮颤动

EN

            Padding(
              padding: const EdgeInsets.only(bottom:18.0),
              child: Text(
                'Which language Do you prefer',
                style: TextStyle(
                  color: Colors.white,
                ),
              ),
            ),
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
              children: <Widget>[
                ButtonTheme(
                  minWidth: 150.0,
                  height: 50.0,
                  child: RaisedButton(
                    color: Theme.of(context).primaryColorLight,
                    child: Text('French'),
                    onPressed: () {},
                  ),
                ),
                ButtonTheme(
                  minWidth: 150.0,
                  height: 50.0,
                  child: RaisedButton(
                    color: Theme.of(context).primaryColorLight,
                    child: Text('English'),
                    onPressed: () {},
                  ),
                )