Flutter 4programmers

import 'package:flutter/material.dart';
import 'package:line_icons/line_icons.dart';

class ConfigScreen extends StatefulWidget {
  @override
  _ConfigScreenState createState() => _ConfigScreenState();
}

class _ConfigScreenState extends State<ConfigScreen> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Color(0xfff2f3fa),
      appBar: AppBar(
        iconTheme: IconThemeData(color: Color(0xff71808f)),
        title: Text('Konfiguracja'),
        brightness: Brightness.light,
        elevation: 0.0,
      ),
      body: Builder(
        builder: (context) => Container(
          margin: EdgeInsets.all(15.0),
          child: Form(
            child: SingleChildScrollView(
              child: Column(
                children: <Widget>[
                  Padding(
                    padding: EdgeInsets.all(8.0),
                    child: TextField(
                      autofocus: false,
                      decoration: InputDecoration(
                        icon: Icon(LineIcons.envelope),
                        filled: true,
                        fillColor: Colors.white,
                        border: InputBorder.none,
                        hintText: 'Email',
                        contentPadding: const EdgeInsets.only(
                            left: 14.0, bottom: 8.0, top: 8.0),
                        enabledBorder: OutlineInputBorder(
                          borderSide: BorderSide(
                            color: Color(0xffced4da),
                            width: 0.7,
                          ),
                          borderRadius: BorderRadius.circular(15.0),
                        ),
                        focusedBorder: OutlineInputBorder(
                          borderSide: BorderSide(
                            color: Color(0xffced4da),
                            width: 0.7,
                          ),
                          borderRadius: BorderRadius.circular(15.0),
                        ),
                      ),
                      textInputAction: TextInputAction.next,
                    ),
                  ),
                  Padding(
                    padding: EdgeInsets.all(8.0),
                    child: TextField(
                      obscureText: true,
                      autofocus: false,
                      decoration: InputDecoration(
                        icon: Icon(LineIcons.key),
                        filled: true,
                        fillColor: Colors.white,
                        border: InputBorder.none,
                        hintText: 'Hasło',
                        contentPadding: const EdgeInsets.only(
                            left: 14.0, bottom: 8.0, top: 8.0),
                        enabledBorder: OutlineInputBorder(
                          borderSide: BorderSide(
                            color: Color(0xffced4da),
                            width: 0.7,
                          ),
                          borderRadius: BorderRadius.circular(15.0),
                        ),
                        focusedBorder: OutlineInputBorder(
                          borderSide: BorderSide(
                            color: Color(0xffced4da),
                            width: 0.7,
                          ),
                          borderRadius: BorderRadius.circular(15.0),
                        ),
                      ),
                      textInputAction: TextInputAction.next,
                    ),
                  ),
                  Padding(
                    padding: EdgeInsets.all(8.0),
                    child: TextField(
                      autofocus: false,
                      decoration: InputDecoration(
                        icon: Icon(LineIcons.globe),
                        filled: true,
                        fillColor: Colors.white,
                        border: InputBorder.none,
                        hintText: 'Adres do PaneluOptimo',
                        contentPadding: const EdgeInsets.only(
                            left: 14.0, bottom: 8.0, top: 8.0),
                        enabledBorder: OutlineInputBorder(
                          borderSide: BorderSide(
                            color: Color(0xffced4da),
                            width: 0.7,
                          ),
                          borderRadius: BorderRadius.circular(15.0),
                        ),
                        focusedBorder: OutlineInputBorder(
                          borderSide: BorderSide(
                            color: Color(0xffced4da),
                            width: 0.7,
                          ),
                          borderRadius: BorderRadius.circular(15.0),
                        ),
                      ),
                      textInputAction: TextInputAction.next,
                    ),
                  ),
                  Padding(
                    padding: EdgeInsets.all(8.0),
                    child: ButtonTheme(
                      minWidth: double.infinity,
                      child: RaisedButton(
                        elevation: 6.0,
                        color: Color(0xff888c8f),
                        textColor: Colors.white,
                        child: Row(
                          mainAxisAlignment: MainAxisAlignment.center,
                          children: <Widget>[
                            Icon(LineIcons.save),
                            Text(
                              'ZAPISZ',
                              style: TextStyle(fontFamily: 'Poppins_Bold'),
                            )
                          ],
                        ),
                        shape: RoundedRectangleBorder(
                            borderRadius: BorderRadius.circular(15.0)),
                        onPressed: () {
                          Scaffold.of(context).showSnackBar(
                            SnackBar(
                              backgroundColor: Colors.green,
                              content: Row(
                                  mainAxisAlignment: MainAxisAlignment.center,
                                  children: <Widget>[
                                    Icon(LineIcons.check),
                                    Text(
                                      'Ustawienia zapisane!',
                                      style:
                                          TextStyle(fontFamily: 'Poppins_Bold'),
                                    ),
                                  ]),
                            ),
                          );
                        },
                      ),
                    ),
                  ),
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }
}