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In this post, we will learn how to design Login Form in Flutter.This post show only UI.

1)main.dart

It is our main.dart file.This file is root of our application.

import 'package:blogpractice/loginForm.dart';
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: 'Login Form',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: Login(),
    );
  }
}

2)loginForm.dart

It is our loginForm.dart file.This file contains all our login form implementation.

import 'package:flutter/material.dart';

class Login extends StatefulWidget {
  @override
  _LoginState createState() => _LoginState();
}

class _LoginState extends State<Login> {

  TextEditingController _passwordController = new TextEditingController();
  TextEditingController _emailController = new TextEditingController();
  TextStyle style = TextStyle(fontFamily: 'Montserrat', fontSize: 20.0,);

  @override
  Widget build(BuildContext context) {

    final emailField = TextFormField(                                            //emailField
      keyboardType: TextInputType.emailAddress,
      autofocus: false,
      controller: _emailController,
      style: style,
      decoration: InputDecoration(
          contentPadding: EdgeInsets.fromLTRB(20.0, 15.0, 20.0, 15.0),
          hintText: "Email",
          border: OutlineInputBorder(borderRadius: BorderRadius.circular(20.0))),
    );

    final passwordField = TextFormField(                                         //passwordField
      autofocus: false,
      controller: _passwordController,
      style: style,
      decoration: InputDecoration(
          contentPadding: EdgeInsets.fromLTRB(20.0, 15.0, 20.0, 15.0),
          hintText: "Password",
          border: OutlineInputBorder(borderRadius:           BorderRadius.circular(20.0))),
    );

    final loginButton = Material(                                               // loginButton
      elevation: 5.0,
      borderRadius: BorderRadius.circular(20.0),
      color: Colors.teal,
      child: MaterialButton(
        minWidth: double.infinity,
        padding: EdgeInsets.fromLTRB(20.0, 15.0, 20.0, 15.0),
        onPressed: null,
        child: Text("Login",
            textAlign: TextAlign.center,
            style: style.copyWith(
                color: Colors.white, fontWeight: FontWeight.bold)),
      ),
    );

    return Scaffold(
      backgroundColor: Colors.teal,
      body: Center(
        child: SingleChildScrollView(
          child: Padding(
            padding: const EdgeInsets.all(10.0),
            child: Card(
              shape: RoundedRectangleBorder(
                borderRadius: BorderRadius.circular(15),
              ),
              color: Color(0xffF3F3F3),
              elevation: 5,
              child: Padding(
                padding: const EdgeInsets.all(20.0),
                child: Form(
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.center,
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: <Widget>[
                      Center(
                          child: Text(
                        "Your Logo Here",
                        style: TextStyle(
                            color: Colors.black,
                            fontSize: 25,
                        ),
                      )),
                      SizedBox(height: 25.0),
                      emailField,
                      SizedBox(height: 25.0),
                      passwordField,
                      SizedBox(
                        height: 20.0,
                      ),
                      Divider(color: Colors.black),
                      SizedBox(
                        height: 20.0,
                      ),
                      loginButton,
                    ],
                  ),
                ),
              ),
            ),
          ),
        ),
      ),
    );
  }
}

Output:-