Flutter Beautiful Login Page UI Design and Animation

Flutter Login

FlutterLogin is a ready-made login/signup widget with many animation effects to demonstrate the capabilities of Flutter

Installation

Follow the install instructions here

Reference

Property	Type	Description
onSignup	`AuthCallback`	Called when the user hit the submit button when in sign up mode
onLogin	`AuthCallback`	Called when the user hit the submit button when in login mode
onRecoverPassword	`RecoverCallback`	Called when the user hit the submit button when in recover password mode
title	`String`	The large text above the login [Card], usually the app or company name. Leave the string empty or null if you want no title.
logo	`String`	The path to the asset image that will be passed to the `Image.asset()`
messages	`LoginMessages`	Describes all of the labels, text hints, button texts and other auth descriptions
theme	`LoginTheme`	FlutterLogin's theme. If not specified, it will use the default theme as shown in the demo gifs and use the colorsheme in the closest `Theme` widget
userType	`LoginUserType`	FlutterLogin's user type. If not specified, it will use the default user type as email
userValidator	`FormFieldValidator<String>`	User field validating logic, add your custom validation here. The default is email validation logic. Expects to return an error message [String] to be display if validation fails or [null] if validation succeeds
passwordValidator	`FormFieldValidator<String>`	Same as `userValidator` but for password
onSubmitAnimationCompleted	`Function`	Called after the submit animation's completed. Put your route transition logic here
logoTag	`String`	`Hero` tag for logo image. If not specified, it will simply fade out when changing route
titleTag	`String`	`Hero` tag for title text. Need to specify `LoginTheme.beforeHeroFontSize` and `LoginTheme.afterHeroFontSize` if you want different font size before and after hero animation
showDebugButtons	`bool`	Display the debug buttons to quickly forward/reverse login animations. In release mode, this will be overridden to `false` regardless of the value passed in
hideForgotPasswordButton	`bool`	Hides the Forgot Password button if set to true
hideSignUpButton	`bool`	Hides the SignUp button if set to true
hideProvidersTitle	`bool`	Hides the title above login providers if set to true. In case the providers List is empty this is uneffective, as the title is hidden anyways. The default is `false`
disableCustomPageTransformer	`bool`	Disables the custom transition which causes RenderBox was not laid out error. See #97 for more info.
navigateBackAfterRecovery	`bool`	Navigate back to the login page after successful recovery.

NOTE: It is recommended that the child widget of the Hero widget should be the same in both places. For title's hero animation use the LoginThemeHelper.loginTextStyle in the next screen to get the style of the exact text widget in the login screen. LoginThemeHelper can be accessed by adding this line

import 'package:flutter_login/theme.dart';

LoginMessages

Property	Type	Description
userHint	`String`	Hint text of the user field [TextField] (Note: user field can be name, email or phone. For more info check: `LoginUserType`)
passwordHint	`String`	Hint text of the password [TextField]
confirmPasswordHint	`String`	Hint text of the confirm password [TextField]
forgotPasswordButton	`String`	Forgot password button's label
loginButton	`String`	Login button's label
signupButton	`String`	Signup button's label
recoverPasswordButton	`String`	Recover password button's label
recoverPasswordIntro	`String`	Intro in password recovery form
recoverPasswordDescription	`String`	Description in password recovery form
goBackButton	`String`	Go back button's label. Go back button is used to go back to to login/signup form from the recover password form
confirmPasswordError	`String`	The error message to show when the confirm password not match with the original password
recoverPasswordSuccess	`String`	The success message to show after submitting recover password
flushbarTitleError	`String`	The Flushbar title on errors
flushbarTitleSuccess	`String`	The Flushbar title on successes
providersTitle	`String`	A string shown above the login Providers, defaults to `or login with`

LoginTheme

Property	Type	Description
primaryColor	`Color`	The background color of major parts of the widget like the login screen and buttons
accentColor	`Color`	The secondary color, used for title text color, loading icon, etc. Should be contrast with the [primaryColor]
errorColor	`Color`	The color to use for [TextField] input validation errors
cardTheme	`CardTheme`	The colors and styles used to render auth [Card]
inputTheme	`InputDecorationTheme`	Defines the appearance of all [TextField]s
buttonTheme	`LoginButtonTheme`	A theme for customizing the shape, elevation, and color of the submit button
titleStyle	`TextStyle`	Text style for the big title
bodyStyle	`TextStyle`	Text style for small text like the recover password description
textFieldStyle	`TextStyle`	Text style for [TextField] input text
buttonStyle	`TextStyle`	Text style for button text
beforeHeroFontSize	`double`	Defines the font size of the title in the login screen (before the hero transition)
afterHeroFontSize	`double`	Defines the font size of the title in the screen after the login screen (after the hero transition)
pageColorLight	`Color`	The optional light background color of login screen; if provided, used for light gradient instead of primaryColor
pageColorDark	`Color`	The optional dark background color of login screen; if provided, used for dark gradient instead of primaryColor
footerBottomPadding	`double`	The footer bottom Padding; defaults to 0 if not provided.
switchAuthTextColor	`Color`	The optional color for the switch authentication text, if nothing is specified [primaryColor] is used.
logoWidth	`double`	Width of the logo where 1 is the full width of the login card. ; defaults to 0.75 if not provided.
primaryColorAsInputLabel	`bool`	Set to true if you want to use the primary color for input labels. Defaults to false.

LoginUserType

Enum	Description
EMAIL	The User Field will be set to be email
NAME	The User Field will be set to be username
PHONE	The User Field will be set to be phone

[LoginUserType] will change how the user field [TextField] behaves. Autofills and Keyboard Type will be adjusted automatically for the type of user that you pass.

Examples

You can view the complete example in the example project which resulted in the gif above

Basic example

import 'package:flutter/material.dart';
import 'package:flutter_login/flutter_login.dart';
import 'dashboard_screen.dart';

const users = const {
  'dribbble@gmail.com': '12345',
  'hunter@gmail.com': 'hunter',
};

class LoginScreen extends StatelessWidget {
  Duration get loginTime => Duration(milliseconds: 2250);

  Future<String> _authUser(LoginData data) {
    print('Name: ${data.name}, Password: ${data.password}');
    return Future.delayed(loginTime).then((_) {
      if (!users.containsKey(data.name)) {
        return 'User not exists';
      }
      if (users[data.name] != data.password) {
        return 'Password does not match';
      }
      return null;
    });
  }

  Future<String> _recoverPassword(String name) {
    print('Name: $name');
    return Future.delayed(loginTime).then((_) {
      if (!users.containsKey(name)) {
        return 'User not exists';
      }
      return null;
    });
  }

  @override
  Widget build(BuildContext context) {
    return FlutterLogin(
      title: 'ECORP',
      logo: 'assets/images/ecorp-lightblue.png',
      onLogin: _authUser,
      onSignup: _authUser,
      onSubmitAnimationCompleted: () {
        Navigator.of(context).pushReplacement(MaterialPageRoute(
          builder: (context) => DashboardScreen(),
        ));
      },
      onRecoverPassword: _recoverPassword,
    );
  }
}

Basic example with sign in providers

import 'package:flutter/material.dart';
import 'package:flutter_login/flutter_login.dart';
import 'dashboard_screen.dart';

const users = const {
  'dribbble@gmail.com': '12345',
  'hunter@gmail.com': 'hunter',
};

class LoginScreen extends StatelessWidget {
  Duration get loginTime => Duration(milliseconds: 2250);

  Future<String> _authUser(LoginData data) {
    print('Name: ${data.name}, Password: ${data.password}');
    return Future.delayed(loginTime).then((_) {
      if (!users.containsKey(data.name)) {
        return 'User not exists';
      }
      if (users[data.name] != data.password) {
        return 'Password does not match';
      }
      return null;
    });
  }

  Future<String> _recoverPassword(String name) {
    print('Name: $name');
    return Future.delayed(loginTime).then((_) {
      if (!users.containsKey(name)) {
        return 'User not exists';
      }
      return null;
    });
  }

  @override
  Widget build(BuildContext context) {
    return FlutterLogin(
      title: 'ECORP',
      logo: 'assets/images/ecorp-lightblue.png',
      onLogin: _authUser,
      onSignup: _authUser,
      
        loginProviders: <LoginProvider>[
          LoginProvider(
            icon: FontAwesomeIcons.google,
            label: 'Google',
            callback: () async {
              print('start google sign in');
              await Future.delayed(loginTime);
              print('stop google sign in');              
              return null;
            },
          ),
          LoginProvider(
            icon: FontAwesomeIcons.facebookF,
            label: 'Facebook',
            callback: () async {            
              print('start facebook sign in');
              await Future.delayed(loginTime);
              print('stop facebook sign in');              
              return null;
            },
          ),
          LoginProvider(
            icon: FontAwesomeIcons.linkedinIn,
            callback: () async {         
              print('start linkdin sign in');
              await Future.delayed(loginTime);         
              print('stop linkdin sign in');              
              return null;
            },
          ),
          LoginProvider(
            icon: FontAwesomeIcons.githubAlt,
            callback: () async {
              print('start github sign in');
              await Future.delayed(loginTime);
              print('stop github sign in');              
              return null;
            },
          ),
        ],
      onSubmitAnimationCompleted: () {
        Navigator.of(context).pushReplacement(MaterialPageRoute(
          builder: (context) => DashboardScreen(),
        ));
      },
      onRecoverPassword: _recoverPassword,
    );
  }
}

Theming via `ThemeData`

// main.dart
import 'package:flutter/material.dart';
import 'login_screen.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Login Demo',
      theme: ThemeData(
        primarySwatch: Colors.deepPurple,
        accentColor: Colors.orange,
        cursorColor: Colors.orange,
        textTheme: TextTheme(
          headline3: TextStyle(
            fontFamily: 'OpenSans',
            fontSize: 45.0,
            color: Colors.orange,
          ),
          button: TextStyle(
            fontFamily: 'OpenSans',
          ),
          subtitle1: TextStyle(fontFamily: 'NotoSans'),
          bodyText2: TextStyle(fontFamily: 'NotoSans'),
        ),
      ),
      home: LoginScreen(),
    );
  }
}

// login_screen.dart
import 'package:flutter/material.dart';
import 'package:flutter_login/flutter_login.dart';
import 'dashboard_screen.dart';

class LoginScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return FlutterLogin(
      title: 'ECORP',
      logo: 'assets/images/ecorp.png',
      onLogin: (_) => Future(null),
      onSignup: (_) => Future(null),
      onSubmitAnimationCompleted: () {
        Navigator.of(context).pushReplacement(MaterialPageRoute(
          builder: (context) => DashboardScreen(),
        ));
      },
      onRecoverPassword: (_) => Future(null),
    );
  }
}

Custom labels

import 'package:flutter/material.dart';
import 'package:flutter_login/flutter_login.dart';
import 'dashboard_screen.dart';

class LoginScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return FlutterLogin(
      title: 'ECORP',
      logo: 'assets/images/ecorp.png',
      onLogin: (_) => Future(null),
      onSignup: (_) => Future(null),
      onSubmitAnimationCompleted: () {
        Navigator.of(context).pushReplacement(MaterialPageRoute(
          builder: (context) => DashboardScreen(),
        ));
      },
      onRecoverPassword: (_) => Future(null),
      messages: LoginMessages(
        userHint: 'User',
        passwordHint: 'Pass',
        confirmPasswordHint: 'Confirm',
        loginButton: 'LOG IN',
        signupButton: 'REGISTER',
        forgotPasswordButton: 'Forgot huh?',
        recoverPasswordButton: 'HELP ME',
        goBackButton: 'GO BACK',
        confirmPasswordError: 'Not match!',
        recoverPasswordDescription:
            'Lorem Ipsum is simply dummy text of the printing and typesetting industry',
        recoverPasswordSuccess: 'Password rescued successfully',
      ),
    );
  }
}

Theme customization


import 'package:flutter/material.dart';
import 'package:flutter_login/flutter_login.dart';
import 'dashboard_screen.dart';

class LoginScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    final inputBorder = BorderRadius.vertical(
      bottom: Radius.circular(10.0),
      top: Radius.circular(20.0),
    );

    return FlutterLogin(
      title: 'ECORP',
      logo: 'assets/images/ecorp-lightgreen.png',
      onLogin: (_) => Future(null),
      onSignup: (_) => Future(null),
      onSubmitAnimationCompleted: () {
        Navigator.of(context).pushReplacement(MaterialPageRoute(
          builder: (context) => DashboardScreen(),
        ));
      },
      onRecoverPassword: (_) => Future(null),
      theme: LoginTheme(
        primaryColor: Colors.teal,
        accentColor: Colors.yellow,
        errorColor: Colors.deepOrange,
        titleStyle: TextStyle(
          color: Colors.greenAccent,
          fontFamily: 'Quicksand',
          letterSpacing: 4,
        ),
        bodyStyle: TextStyle(
          fontStyle: FontStyle.italic,
          decoration: TextDecoration.underline,
        ),
        textFieldStyle: TextStyle(
          color: Colors.orange,
          shadows: [Shadow(color: Colors.yellow, blurRadius: 2)],
        ),
        buttonStyle: TextStyle(
          fontWeight: FontWeight.w800,
          color: Colors.yellow,
        ),
        cardTheme: CardTheme(
          color: Colors.yellow.shade100,
          elevation: 5,
          margin: EdgeInsets.only(top: 15),
          shape: ContinuousRectangleBorder(
              borderRadius: BorderRadius.circular(100.0)),
        ),
        inputTheme: InputDecorationTheme(
          filled: true,
          fillColor: Colors.purple.withOpacity(.1),
          contentPadding: EdgeInsets.zero,
          errorStyle: TextStyle(
            backgroundColor: Colors.orange,
            color: Colors.white,
          ),
          labelStyle: TextStyle(fontSize: 12),
          enabledBorder: UnderlineInputBorder(
            borderSide: BorderSide(color: Colors.blue.shade700, width: 4),
            borderRadius: inputBorder,
          ),
          focusedBorder: UnderlineInputBorder(
            borderSide: BorderSide(color: Colors.blue.shade400, width: 5),
            borderRadius: inputBorder,
          ),
          errorBorder: UnderlineInputBorder(
            borderSide: BorderSide(color: Colors.red.shade700, width: 7),
            borderRadius: inputBorder,
          ),
          focusedErrorBorder: UnderlineInputBorder(
            borderSide: BorderSide(color: Colors.red.shade400, width: 8),
            borderRadius: inputBorder,
          ),
          disabledBorder: UnderlineInputBorder(
            borderSide: BorderSide(color: Colors.grey, width: 5),
            borderRadius: inputBorder,
          ),
        ),
        buttonTheme: LoginButtonTheme(
          splashColor: Colors.purple,
          backgroundColor: Colors.pinkAccent,
          highlightColor: Colors.lightGreen,
          elevation: 9.0,
          highlightElevation: 6.0,
          shape: BeveledRectangleBorder(
            borderRadius: BorderRadius.circular(10),
          ),
          // shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(5)),
          // shape: CircleBorder(side: BorderSide(color: Colors.green)),
          // shape: ContinuousRectangleBorder(borderRadius: BorderRadius.circular(55.0)),
        ),
      ),
    );
  }
}

Inspiration

Download Details:
Author: NearHuscarl
The Demo/Documentation: View The Demo/Documentation
Download Link: Download The Source Code
Official Website: https://github.com/NearHuscarl/flutter_login
License: MIT

#flutter

What is GEEK

Buddha Community

Flutter Beautiful Login Page UI Design and Animation

Destiny Volkman

1597014000

Google's Flutter 1.20 stable announced with new features - Navoki

Flutter Google cross-platform UI framework has released a new version 1.20 stable.

Flutter is Google’s UI framework to make apps for Android, iOS, Web, Windows, Mac, Linux, and Fuchsia OS. Since the last 2 years, the flutter Framework has already achieved popularity among mobile developers to develop Android and iOS apps. In the last few releases, Flutter also added the support of making web applications and desktop applications.

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Pigeon is a command-line tool that will generate types of safe platform channels without adding additional dependencies. With this instead of manually matching method strings on platform channel and serializing arguments, you can invoke native class and pass nonprimitive data objects by directly calling the Dartmethod.

There is still a long list of updates in the new version of Flutter 1.2 that we cannot cover in this blog. You can get more details you can visit the official site to know more. Also, you can subscribe to the Navoki newsletter to get updates on these features and upcoming new updates and lessons. In upcoming new versions, we might see more new features and improvements.

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Flutter Beautiful Login Page UI Design and Animation

Flutter Login

Installation

Reference

LoginMessages

LoginTheme

LoginUserType

Examples

Basic example

Basic example with sign in providers

Theming via ThemeData

Custom labels

Theme customization

Inspiration

What is GEEK

Buddha Community

Google's Flutter 1.20 stable announced with new features - Navoki

Performance improvements for Flutter and Dart

Autofill for mobile text fields

Updated Material Slider, RangeSlider, TimePicker, and DatePicker

New pubspec.yaml format

Preview of embedded Dart DevTools in Visual Studio Code

Network tracking

Generate type-safe platform channels for platform interop

UI/UX Design & Development Company | UI/UX Design Services

Flutter Login Page UI - Speed Code Tutorial | Code With Guru

Flutter Login Page UI - Speed Code Tutorial | Code With Guru

Flutter Uber Login Page UI Design - Speed Coding Tutorial

Theming via `ThemeData`

New `pubspec.yaml` format