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import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:firebase_auth/firebase_auth.dart';
class LoginPage extends StatefulWidget {
const LoginPage({
Key? key,
}) : super(key: key);
@override
State<LoginPage> createState() => _LoginPageState();
}
class _LoginPageState extends State<LoginPage> {
final GlobalKey<FormState> _formKey = GlobalKey();
final FocusNode _focusNodePassword = FocusNode();
final TextEditingController _controllerUsername = TextEditingController();
final TextEditingController _controllerPassword = TextEditingController();
bool _obscurePassword = true;
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: Colors.grey[300],
body: Form(
key: _formKey,
child: SingleChildScrollView(
padding: const EdgeInsets.all(30.0),
child: Column(
children: [
Image.asset(
"assets/logo.png",
height: 190,
),
Text(
"Welcome back",
style: Theme.of(context).textTheme.headlineMedium,
),
Text(
"Login to your account",
style: Theme.of(context).textTheme.bodySmall,
),
const SizedBox(height: 40),
TextFormField(
controller: _controllerUsername,
keyboardType: TextInputType.name,
decoration: InputDecoration(
labelText: "Email",
prefixIcon: const Icon(Icons.email_outlined),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(10),
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(10),
),
),
onEditingComplete: () => _focusNodePassword.requestFocus(),
validator: (String? value) {
if (value == null || value.isEmpty) {
return "Please enter username.";
}
return null;
},
),
const SizedBox(height: 10),
TextFormField(
controller: _controllerPassword,
focusNode: _focusNodePassword,
obscureText: _obscurePassword,
keyboardType: TextInputType.visiblePassword,
decoration: InputDecoration(
labelText: "Password",
prefixIcon: const Icon(Icons.password_outlined),
suffixIcon: IconButton(
onPressed: () {
setState(() {
_obscurePassword = !_obscurePassword;
});
},
icon: _obscurePassword
? const Icon(Icons.visibility_outlined)
: const Icon(Icons.visibility_off_outlined)),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(10),
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(10),
),
),
validator: (String? value) {
if (value == null || value.isEmpty) {
return "Please enter password.";
}
return null;
},
),
const SizedBox(height: 60),
Column(
children: [
ElevatedButton(
style: ElevatedButton.styleFrom(
minimumSize: const Size.fromHeight(50),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(20),
),
backgroundColor: Color(0xFF355291),
),
onPressed: () async {
if (_formKey.currentState?.validate() ?? false) {
try {
await FirebaseAuth.instance
.signInWithEmailAndPassword(
email: _controllerUsername.text.trim(),
password: _controllerPassword.text.trim())
.then((value) =>
Navigator.pushNamedAndRemoveUntil(
context, '/', (route) => false));
} on FirebaseAuthException catch (e) {
Fluttertoast.showToast(
msg: e.message.toString(),
gravity: ToastGravity.SNACKBAR);
}
}
},
child: const Text("Login"),
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Text("Don't have an account?"),
TextButton(
onPressed: () {
_formKey.currentState?.reset();
Navigator.pushNamedAndRemoveUntil(
context, "/signup", (route) => false);
},
child: const Text("Signup"),
),
],
),
],
),
],
),
),
),
);
}
@override
void dispose() {
_focusNodePassword.dispose();
_controllerUsername.dispose();
_controllerPassword.dispose();
super.dispose();
}
}
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