我对sign_in_controller内的值有问题，尽管由于sign_in_bloc正确打印了电子邮件和密码，但当我单击按钮时，sign_in_controller内的值始终为空。
我/扑 (31187): 电子邮件 ---> I/flutter (31187): 密码 ---> I/flutter (31187)：电子邮件为空 我/flutter（31187）：密码为空
import 'package:equatable/equatable.dart';
class SignInState extends Equatable {
const SignInState({this.email = '', this.password = ''});
final String email;
final String password;
SignInState copyWith({String? email, String? password}) {
return SignInState(
email: email ?? this.email,
password: password ?? this.password,
);
}
@override
// TODO: implement props
List<Object?> get props => throw UnimplementedError();
}
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:login_firebase/screens/loginpage/bloc/sign_in_event.dart';
import 'package:login_firebase/screens/loginpage/bloc/sign_in_state.dart';
class SignInBloc extends Bloc<SignInEvent, SignInState> {
SignInBloc() : super(const SignInState()) {
//on<EmailEvent>((event, emit) {
// emit(state.copyWith(email: event.email));
//});
on<EmailEvent>(_emailEvent);
on<PasswordEvent>(_passwordEvent);
}
void _emailEvent(EmailEvent event, Emitter<SignInState> emit) {
print('My email is ${event.email}');
emit(state.copyWith(email: event.email));
}
void _passwordEvent(PasswordEvent event, Emitter<SignInState> emit) {
print('My password is ${event.password}');
emit(state.copyWith(password: event.password));
}
}
abstract class SignInEvent {
const SignInEvent();
}
class EmailEvent extends SignInEvent {
final String email;
EmailEvent(this.email);
}
class PasswordEvent extends SignInEvent {
final String password;
PasswordEvent(this.password);
}
import 'package:firebase_auth/firebase_auth.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:login_firebase/screens/loginpage/bloc/sign_in_bloc.dart';
class SignInController {
final BuildContext context;
const SignInController({required this.context});
Future<void> handleSignIn(String type) async {
try {
if (type == 'email') {
final String emailAddress =
BlocProvider.of<SignInBloc>(context).state.email;
final String password =
BlocProvider.of<SignInBloc>(context).state.password;
print('EMAIL ---> $emailAddress');
print('PASSWORD ---> $password');
if (emailAddress.isEmpty) {
print('email is empty');
} else {
print('email is $emailAddress');
}
if (password.isEmpty) {
print('password is empty');
} else {
print('password is $password');
}
try {
final credential =
await FirebaseAuth.instance.signInWithEmailAndPassword(
email: emailAddress,
password: password,
);
if (credential.user == null) {
print('user does not exits');
}
if (!credential.user!.emailVerified) {}
var user = credential.user;
if (user != null) {
print('user exist');
// we got verificated user from firebase!
} else {
// error while getting user from firebase!
print('no user');
}
} on FirebaseAuthException catch (e) {
if (e.code == 'user-not-found') {
print('no user found for that email');
} else if (e.code == 'wrong password') {
print('wrong password');
} else if (e.code == 'invalid-email') {
print('your email format is wrong');
}
}
}
} catch (e) {
print(e.toString());
}
}
}
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:login_firebase/screens/loginpage/bloc/sign_in_bloc.dart';
import 'package:login_firebase/screens/loginpage/bloc/sign_in_event.dart';
import 'package:login_firebase/screens/loginpage/bloc/sign_in_state.dart';
import 'package:login_firebase/screens/loginpage/sign_in_controller.dart';
class LoginPage extends StatelessWidget {
const LoginPage({super.key});
@override
Widget build(BuildContext context) {
return BlocBuilder<SignInBloc, SignInState>(
bloc: SignInBloc(),
builder: (context, state) {
return Scaffold(
backgroundColor: Colors.white,
appBar: AppBar(),
body: Padding(
padding: const EdgeInsets.symmetric(horizontal: 30),
child: SingleChildScrollView(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const SizedBox(height: 40),
Text(
"Let's Sign you in.",
style: GoogleFonts.poppins(
fontSize: 30, fontWeight: FontWeight.w600),
),
const SizedBox(height: 5),
Text(
"Welcome back",
style: GoogleFonts.poppins(
fontSize: 18, fontWeight: FontWeight.w400),
),
Text(
"you've been missed!",
style: GoogleFonts.poppins(
fontSize: 18, fontWeight: FontWeight.w400),
),
const SizedBox(height: 50),
customTextField(
context, const Icon(Icons.person), 'Enter your email',
(value) {
context.read<SignInBloc>().add(EmailEvent(value));
}),
const SizedBox(height: 20),
customTextField(
context, const Icon(Icons.lock), 'Enter your password',
(value) {
context.read<SignInBloc>().add(PasswordEvent(value));
}),
const SizedBox(height: 320),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
"Don't have account?",
style: GoogleFonts.poppins(
fontSize: 14,
fontWeight: FontWeight.w400,
color: Colors.black.withOpacity(0.5)),
),
Text(
" Register",
style: GoogleFonts.poppins(
fontSize: 14,
fontWeight: FontWeight.w600,
color: Colors.black.withOpacity(0.7)),
),
],
),
const SizedBox(height: 10),
customLoginButton(
context,
'Login',
() {
SignInController(context: context).handleSignIn('email');
},
)
],
),
),
),
);
},
);
}
}
Widget customTextField(BuildContext context, Icon icon, String hintText,
void Function(String value)? func) {
return Container(
padding: const EdgeInsets.symmetric(horizontal: 10),
width: MediaQuery.of(context).size.width,
height: 60,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(16),
border: Border.all(color: Colors.black.withOpacity(0.4)),
),
child: Center(
child: TextField(
onChanged: (value) => func!(value),
style: GoogleFonts.poppins(fontSize: 16, fontWeight: FontWeight.w400),
decoration: InputDecoration(
prefixIcon: icon,
border: InputBorder.none,
enabledBorder: InputBorder.none,
focusedBorder: InputBorder.none,
hintText: hintText,
prefixIconColor: MaterialStateColor.resolveWith((states) =>
states.contains(MaterialState.focused)
? Colors.grey
: Colors.grey),
hintStyle:
GoogleFonts.poppins(fontSize: 16, fontWeight: FontWeight.w400),
),
),
),
);
}
Widget customLoginButton(
BuildContext context, String text, void Function()? ontap) {
return GestureDetector(
onTap: ontap,
child: Container(
height: 60,
width: MediaQuery.of(context).size.width,
decoration: BoxDecoration(
color: Colors.black,
borderRadius: BorderRadius.circular(18),
),
child: Center(
child: Text(
text,
style: GoogleFonts.poppins(
fontSize: 18, fontWeight: FontWeight.w500, color: Colors.white),
),
),
),
);
}
我试图使用 bloc 文档修复它，但没有发现任何有用的东西
解决了道具错误
@override
// TODO: implement props
List<Object?> get props => [email, password];