TKK_E32232282/Source Code Mobile/login_page.dart

136 lines
3.9 KiB
Dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../providers/auth_provider.dart';
import 'dashboard_page.dart';
import 'register_page.dart';
class LoginPage extends StatefulWidget {
const LoginPage({super.key});
@override
State<LoginPage> createState() => _LoginPageState();
}
class _LoginPageState extends State<LoginPage> {
final _emailController = TextEditingController();
final _passwordController = TextEditingController();
final _formKey = GlobalKey<FormState>();
Future<void> login() async {
if (!_formKey.currentState!.validate()) {
return;
}
final auth = context.read<AuthProvider>();
final result = await auth.login(
email: _emailController.text.trim(),
password: _passwordController.text,
);
if (!mounted) return;
if (result == null) {
Navigator.pushReplacement(
context,
MaterialPageRoute(builder: (_) => const DashboardPage()),
);
} else {
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text(result)));
}
}
@override
Widget build(BuildContext context) {
final auth = context.watch<AuthProvider>();
return Scaffold(
body: SafeArea(
child: Center(
child: SingleChildScrollView(
padding: const EdgeInsets.all(24),
child: Form(
key: _formKey,
child: Column(
children: [
const Icon(Icons.air, size: 100, color: Colors.green),
const SizedBox(height: 20),
const Text(
'Smart Air Quality',
style: TextStyle(fontSize: 28, fontWeight: FontWeight.bold),
),
const SizedBox(height: 50),
TextFormField(
controller: _emailController,
decoration: const InputDecoration(
labelText: 'Email',
border: OutlineInputBorder(),
),
validator: (value) {
if (value == null || value.isEmpty) {
return 'Email wajib diisi';
}
return null;
},
),
const SizedBox(height: 20),
TextFormField(
controller: _passwordController,
obscureText: true,
decoration: const InputDecoration(
labelText: 'Password',
border: OutlineInputBorder(),
),
validator: (value) {
if (value == null || value.isEmpty) {
return 'Password wajib diisi';
}
return null;
},
),
const SizedBox(height: 30),
SizedBox(
width: double.infinity,
height: 50,
child: ElevatedButton(
onPressed: auth.isLoading ? null : login,
child: auth.isLoading
? const CircularProgressIndicator()
: const Text('Login'),
),
),
const SizedBox(height: 20),
TextButton(
onPressed: () {
Navigator.push(
context,
MaterialPageRoute(builder: (_) => const RegisterPage()),
);
},
child: const Text('Belum punya akun? Register'),
),
],
),
),
),
),
),
);
}
}