Design Login Page With UI UX In Flutter For Android And Ios

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'App Desgin',
      debugShowCheckedModeBanner: false,
      home: LoginPage(),
    );
  }
}

class LoginPage extends StatefulWidget {

  @override
  State<StatefulWidget> createState() => new _State();
}

class _State extends State<LoginPage> {
  TextEditingController emailController = TextEditingController();
  TextEditingController passwordController = TextEditingController();


  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          centerTitle: true,
          title: Text('Simple Login Page'),
          backgroundColor: Colors.black,
        ),
        body: Padding(
            padding: EdgeInsets.all(10),
            child: ListView(
              children: <Widget>[
                SizedBox(height: 70.0),
                Container(
                    alignment: Alignment.center,
                    padding: EdgeInsets.all(10),
                    child: Text(
                      'Logo',
                      style: TextStyle(
                          color: Colors.black,
                          fontWeight: FontWeight.w500,
                          fontSize: 30),
                    )),
                Container(
                  padding: EdgeInsets.all(10),
                  child: TextField(
                    controller: emailController,
                    decoration: InputDecoration(
                      border: OutlineInputBorder(),
                      labelText: 'E-Mail',
                    ),

                  ),

                ),
                Container(
                  padding: EdgeInsets.fromLTRB(10, 10, 10, 0),
                  child: TextField(
                    obscureText: true,
                    controller: passwordController,
                    decoration: InputDecoration(
                      border: OutlineInputBorder(),
                      labelText: 'Password',
                    ),
                  ),
                ),
                Container(
                    child: Row(
                      children: <Widget>[
                        Text('Does not have account?'),
                        FlatButton(
                          textColor: Colors.black,
                          child: Text(
                            'Sign in',
                            style: TextStyle(fontSize: 20),
                          ),
                          onPressed: () {
                            //signup screen
                          },
                        )
                      ],
                      mainAxisAlignment: MainAxisAlignment.center,
                    )),
                RaisedButton(
                  padding: const EdgeInsets.all(0.0),
                  onPressed: () async {},
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(10.0),
                  ),
                  child: Container(
                      height: 45,
                      width: MediaQuery.of(context).size.width,
                      decoration: new BoxDecoration(
                   color: Colors.black,
                          boxShadow: [
                            BoxShadow(
                              color: Colors.grey,
                              offset: Offset(0.0, 1.5),
                              blurRadius: 1.5,
                            ),
                          ],
                          borderRadius: BorderRadius.circular(10.0)),
                      child: Center(
                        child: Text('Sign Up',
                            style: TextStyle(
                                color: Colors.white,
                                fontSize: 16.0,
                                fontWeight: FontWeight.w600)),
                      )),
                )
              ],
            )));
  }
}