flutter登录页部分内容

import 'package:flutter/material.dart';

class MyIdPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Title',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home:
      //AppFuncBrowse(),
      LoginPage(),
    );
  }
}
class LoginPage extends StatefulWidget {
  @override
  _LoginPageState createState() {
    // TODO: implement createState
    return _LoginPageState();
  }
}

class _LoginPageState extends State<LoginPage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: SingleChildScrollView(
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: <Widget>[
            _buildTopBannerWidget(),
            _buildAccountLoginTip(),
            _buildEditWidget(),
            //_buildLoginRegisterButton(),
          ],
        ),
      ),
    );
  }
}

  _buildTopBannerWidget() {
    return Container(
      child: Image.asset(
        "assets/login/login_banner.png",
        fit: BoxFit.cover,
      ),
    );
  }

_buildAccountLoginTip() {
  return Padding(
    padding: EdgeInsets.all(),
    child: Text(
      "FlySnow_2ull/会员登录",
      maxLines: ,
      textAlign: TextAlign.start,
      style: TextStyle(fontSize: , color: Colors.black54),
    ),
  );
}

_buildEditWidget() {
  return Container(
    margin: EdgeInsets.only(left: , right: ),
    decoration: BoxDecoration(
      borderRadius: BorderRadius.circular(4.0),
      border: Border.all(
          //width: 1.0 / MediaQuery.of(Context).devicePixelRatio,
          color: Colors.grey.withOpacity(0.5)),
    ),
  );
}