install
cloud_firestore: ^4.15.8
crate First User interface
then go firebase and go fireStore database
default Rules false convert true.
go data create new type name and filled id name and password
here the code loginButtton Click function
FirebaseFirestore.instance.collection('Admin').get().then(
(snapShot) {
snapShot.docs.forEach(
(result) {
if (result.data()['id'] != userName.text.trim()) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Wrong.. UserName try again'),
),
);
} else if (result.data()['password'] !=
userPassword.text.trim()) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Wrong..Password try again'),
),
);
} else {
Navigator.of(context).push(
MaterialPageRoute(
builder: (b) => const AddQuiz(),
),
);
}
},
);
},
);
full code including ui
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:flutter/material.dart';
import 'add_quiz.dart';
class AdminLogin extends StatefulWidget {
const AdminLogin({super.key});
@override
State<AdminLogin> createState() => _AdminLoginState();
}
class _AdminLoginState extends State<AdminLogin> {
final TextEditingController userName = TextEditingController();
final TextEditingController userPassword = TextEditingController();
@override
Widget build(BuildContext context) {
return Scaffold(
body: Center(
child: Column(
// mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
const SizedBox(height: 10),
TextField(
controller: userName,
decoration: const InputDecoration(
hintText: 'userName',
border: InputBorder.none,
),
),
TextField(
controller: userPassword,
decoration: const InputDecoration(
hintText: 'Password',
border: InputBorder.none,
),
),
const SizedBox(height: 10),
ElevatedButton(
onPressed: () {
LoginAdmin();
},
child: const Text('Login'),
),
],
),
),
);
}
LoginAdmin() {
try {
FirebaseFirestore.instance.collection('Admin').get().then(
(snapShot) {
snapShot.docs.forEach(
(result) {
if (result.data()['id'] != userName.text.trim()) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Wrong.. UserName try again'),
),
);
} else if (result.data()['password'] !=
userPassword.text.trim()) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Wrong..Password try again'),
),
);
} else {
Navigator.of(context).push(
MaterialPageRoute(
builder: (b) => const AddQuiz(),
),
);
}
},
);
},
);
} catch (e) {
print(e);
}
}
}
Posts
