小编Raj*_*le 的帖子

Widget build(BuildContext context) {
    return Scaffold(
      resizeToAvoidBottomInset: false,
      backgroundColor: Colors.white,
      body: Container(
        child: Column(
          children: <Widget>[
            Stack(
              fit: StackFit.loose,
              children: <Widget>[
                HeadersVC(),
                Container(
                  margin: EdgeInsets.only(top: 40.0),
                  child: Row(
                    mainAxisAlignment: MainAxisAlignment.start,
                    crossAxisAlignment: CrossAxisAlignment.center,
                    children: <Widget>[
                      FlatButton(
                        splashColor: Colors.transparent,
                        highlightColor: Colors.transparent,
                        onPressed: () {
                          Navigator.pop(context);
                        },
                        child: Icon(
                          Icons.arrow_back,
                          size: 30,
                          color: Colors.white,
                        ),
                      ),
                      Text(
                        widget.headertitleladderPre,
                        style: TextStyle(
                            fontSize: 22.0,
                            color: Colors.white,
                            fontWeight: FontWeight.bold),
                      ),
                    ],
                  ),
                )
              ],
            ),
            SingleChildScrollView(
              padding: EdgeInsets.only(top: 20.0, left: 30.0, right: 30.0),
              child: Column(
                crossAxisAlignment: …