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10 files changed

+827
-588
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‎lib/model/user_model.dart ‎lib/authentication/common/model/user_model.dart

File renamed without changes.

‎lib/authentication/common/widgets/button_widget.dart

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import 'package:flutter/material.dart';
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class Button extends StatelessWidget {
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const Button({
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Key? key,
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required this.onPressed,
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required this.btnName,
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}) : super(key: key);
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final GestureTapCallback onPressed;
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final String btnName;
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@override
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Widget build(BuildContext context) {
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return Material(
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elevation: 5,
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borderRadius: BorderRadius.circular(30),
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color: Colors.redAccent,
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child: MaterialButton(
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padding: const EdgeInsets.fromLTRB(20, 15, 20, 15),
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minWidth: MediaQuery.of(context).size.width,
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onPressed: onPressed,
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child: Text(
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btnName,
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textAlign: TextAlign.center,
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style: const TextStyle(
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fontSize: 20,
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color: Colors.white,
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fontWeight: FontWeight.bold,
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),
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),
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),
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);
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}
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}

‎lib/authentication/common/widgets/input_field_widget.dart

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import 'package:flutter/material.dart';
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class TextInputField extends StatelessWidget {
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const TextInputField({
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Key? key,
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required this.inputController,
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required this.formValidator,
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required this.onSaved,
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required this.textInputAction,
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required this.icon,
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required this.textName,
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this.toHide = false,
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}) : super(key: key);
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final TextEditingController inputController;
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final FormFieldValidator formValidator;
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final FormFieldSetter onSaved;
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final TextInputAction textInputAction;
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final IconData icon;
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final String textName;
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final bool toHide;
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@override
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Widget build(BuildContext context) {
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return TextFormField(
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autofocus: false,
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controller: inputController,
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obscureText: toHide,
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validator: formValidator,
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onSaved: onSaved,
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textInputAction: textInputAction,
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decoration: InputDecoration(
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prefixIcon: Icon(icon),
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contentPadding: const EdgeInsets.fromLTRB(20, 15, 20, 15),
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hintText: textName,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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),
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),
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);
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}
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}

‎lib/authentication/signin/screens/signin_screen.dart

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// ignore_for_file: avoid_print
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import 'package:firebase_auth/firebase_auth.dart';
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import 'package:flutter/material.dart';
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import 'package:fluttertoast/fluttertoast.dart';
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import '/authentication/common/widgets/button_widget.dart';
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import '/authentication/common/widgets/input_field_widget.dart';
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import '/authentication/signup/screens/signup_screen.dart';
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import '/screens/home_screen.dart';
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class LoginScreen extends StatefulWidget {
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const LoginScreen({Key? key}) : super(key: key);
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@override
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State<LoginScreen> createState() => _LoginScreenState();
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}
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class _LoginScreenState extends State<LoginScreen> {
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// form key
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final _formKey = GlobalKey<FormState>();
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// editing controller
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final TextEditingController _emailController = TextEditingController();
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final TextEditingController _passwordController = TextEditingController();
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// firebase
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final _auth = FirebaseAuth.instance;
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// string for displaying the error Message
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String? errorMessage;
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@override
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Widget build(BuildContext context) {
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//email field
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// final emailField = TextFormField(
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// autofocus: false,
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// controller: _emailController,
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// keyboardType: TextInputType.emailAddress,
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// validator: (value) {
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// if (value!.isEmpty) {
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// return ("Please Enter Your Email");
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// }
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// if (!RegExp("^[a-zA-Z0-9+_.-]+@[a-zA-Z0-9.-]+.[a-z]").hasMatch(value)) {
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// return ("Please Enter a valid email");
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// }
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// return null;
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// },
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// onSaved: (value) {
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// _emailController.text = value!;
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// },
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// textInputAction: TextInputAction.next,
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// decoration: InputDecoration(
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// prefixIcon: const Icon(Icons.mail),
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// contentPadding: const EdgeInsets.fromLTRB(20, 15, 20, 15),
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// hintText: "Email",
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// border: OutlineInputBorder(
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// borderRadius: BorderRadius.circular(10),
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// ),
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// ),
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// );
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//password field
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// final passwordField = TextFormField(
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// autofocus: false,
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// controller: _passwordController,
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// obscureText: true,
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// validator: (value) {
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// RegExp regex = new RegExp(r'^.{6,}$');
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// if (value!.isEmpty) {
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// return ("Password is required for login");
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// }
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// if (!regex.hasMatch(value)) {
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// return ("Enter Valid Password(Min. 6 Character)");
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// }
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// return null;
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// },
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// onSaved: (value) {
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// _passwordController.text = value!;
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// },
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// textInputAction: TextInputAction.done,
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// decoration: InputDecoration(
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// prefixIcon: const Icon(Icons.vpn_key),
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// contentPadding: const EdgeInsets.fromLTRB(20, 15, 20, 15),
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// hintText: "Password",
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// border: OutlineInputBorder(
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// borderRadius: BorderRadius.circular(10),
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// ),
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// ),
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// );
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// button field
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// final loginButton = Material(
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// elevation: 5,
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// borderRadius: BorderRadius.circular(30),
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// color: Colors.redAccent,
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// child: MaterialButton(
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// padding: const EdgeInsets.fromLTRB(20, 15, 20, 15),
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// minWidth: MediaQuery.of(context).size.width,
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// onPressed: () {
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// signIn(emailController.text, passwordController.text);
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// },
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// child: const Text(
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// "Login",
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// textAlign: TextAlign.center,
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// style: TextStyle(
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// fontSize: 20,
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// color: Colors.white,
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// fontWeight: FontWeight.bold,
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// ),
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// ),
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// ),
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// );
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return Scaffold(
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backgroundColor: Colors.white,
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body: Center(
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child: SingleChildScrollView(
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child: Container(
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color: Colors.white,
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child: Padding(
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padding: const EdgeInsets.all(36),
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child: Form(
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key: _formKey,
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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SizedBox(
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height: 200,
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child: Image.asset(
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"assets/images/logo.png",
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fit: BoxFit.contain,
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),
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),
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const SizedBox(height: 45),
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// email field & its control
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TextInputField(
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inputController: _emailController,
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formValidator: (value) {
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if (value!.isEmpty) {
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return ("Please Enter Your Email");
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}
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if (!RegExp("^[a-zA-Z0-9+_.-]+@[a-zA-Z0-9.-]+.[a-z]")
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.hasMatch(value)) {
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return ("Please Enter a valid email");
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}
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return null;
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},
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onSaved: (value) {
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_emailController.text = value!;
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},
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textInputAction: TextInputAction.next,
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icon: Icons.mail,
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textName: 'Email',
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),
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const SizedBox(height: 25),
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// password field & its control
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TextInputField(
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inputController: _passwordController,
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toHide: true,
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formValidator: (value) {
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RegExp regex = RegExp(r'^.{6,}$');
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if (value!.isEmpty) {
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return ("Password is required for login");
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}
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if (!regex.hasMatch(value)) {
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return ("Enter Valid Password(Min. 6 Character)");
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}
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return null;
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},
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onSaved: (value) {
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_passwordController.text = value!;
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},
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textInputAction: TextInputAction.done,
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icon: Icons.vpn_key,
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textName: 'Password',
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),
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const SizedBox(height: 35),
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// signIn button control
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Button(
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onPressed: () {
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signIn(
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_emailController.text,
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_passwordController.text,
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);
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},
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btnName: 'Sign In',
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),
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const SizedBox(height: 15),
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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const Text("Don't have an account? "),
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GestureDetector(
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onTap: () {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) =>
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const RegistrationScreen(),
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),
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);
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},
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child: const Text(
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"SignUp",
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style: TextStyle(
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color: Colors.redAccent,
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fontWeight: FontWeight.bold,
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fontSize: 15,
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),
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),
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),
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],
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),
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],
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),
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),
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),
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),
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),
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),
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);
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}
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// signIn function
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void signIn(String email, String password) async {
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if (_formKey.currentState!.validate()) {
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try {
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await _auth
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.signInWithEmailAndPassword(email: email, password: password)
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.then(
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(uid) => {
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Fluttertoast.showToast(msg: "Login Successful"),
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Navigator.of(context).pushReplacement(
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MaterialPageRoute(
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builder: (context) => const HomeScreen(),
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),
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),
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},
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);
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} on FirebaseAuthException catch (error) {
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switch (error.code) {
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case "invalid-email":
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errorMessage = "Your email address appears to be malformed.";
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break;
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case "wrong-password":
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errorMessage = "Your password is wrong.";
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break;
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case "user-not-found":
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errorMessage = "User with this email doesn't exist.";
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break;
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case "user-disabled":
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errorMessage = "User with this email has been disabled.";
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break;
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case "too-many-requests":
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errorMessage = "Too many requests";
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break;
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case "operation-not-allowed":
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errorMessage = "Signing in with Email and Password is not enabled.";
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break;
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default:
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errorMessage = "An undefined Error happened.";
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}
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Fluttertoast.showToast(msg: errorMessage!);
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print(error.code);
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}
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}
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}
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}

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