Pengusir-Hama-Burung-Otomatis/project/tugas_akhir/lib/screens/login_page.dart

129 lines
4.2 KiB
Dart

import 'package:flutter/material.dart';
import 'package:firebase_auth/firebase_auth.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();
bool isLoading = false;
Future<void> loginUser() async {
if (emailController.text.isEmpty || passwordController.text.isEmpty) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text("Email & Password wajib diisi")),
);
return;
}
try {
setState(() => isLoading = true);
await FirebaseAuth.instance.signInWithEmailAndPassword(
email: emailController.text.trim(),
password: passwordController.text.trim(),
);
// login berhasil, StreamBuilder di main.dart otomatis pindah ke MainNavigation
} on FirebaseAuthException catch (e) {
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text(e.message ?? "Login gagal")));
} finally {
setState(() => isLoading = false);
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: const Color(0xFFE6F0EA),
body: Padding(
padding: const EdgeInsets.all(20),
child: Center(
child: SingleChildScrollView(
child: Column(
children: [
Image.asset(
"assets/images/logo1.png",
height: 240,
fit: BoxFit.contain,
),
const SizedBox(height: 40),
TextField(
controller: emailController,
decoration: InputDecoration(
prefixIcon: const Icon(Icons.email),
hintText: "Email",
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(10),
),
),
),
const SizedBox(height: 15),
TextField(
controller: passwordController,
obscureText: true,
decoration: InputDecoration(
prefixIcon: const Icon(Icons.lock),
hintText: "Password",
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(10),
),
),
),
const SizedBox(height: 20),
SizedBox(
width: double.infinity,
height: 50,
child: ElevatedButton(
onPressed: isLoading ? null : loginUser,
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFF67B985),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
),
child: isLoading
? const CircularProgressIndicator(color: Colors.white)
: const Text("Login"),
),
),
const SizedBox(height: 15),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Text("Belum punya akun? "),
GestureDetector(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (_) => const RegisterPage(),
),
);
},
child: const Text(
"Register",
style: TextStyle(
fontWeight: FontWeight.bold,
color: Colors.black,
),
),
),
],
),
],
),
),
),
),
);
}
}