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diyanshintiabella 2025-07-02 12:06:27 +07:00
parent ed506f6892
commit 6490a8e5cf
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import 'package:app_sensor/login_page.dart';
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:firebase_auth/firebase_auth.dart';
class SignUpPage extends StatefulWidget {
@override
_SignUpPageState createState() => _SignUpPageState();
}
class _SignUpPageState extends State<SignUpPage> {
final TextEditingController nameController = TextEditingController();
final TextEditingController emailController = TextEditingController();
final TextEditingController passwordController = TextEditingController();
bool isEmailValid = false;
bool isLoading = false;
bool _obscurePassword = true;
@override
void initState() {
super.initState();
emailController.addListener(_validateEmail);
}
@override
void dispose() {
emailController.removeListener(_validateEmail);
emailController.dispose();
nameController.dispose();
passwordController.dispose();
super.dispose();
}
void _validateEmail() {
setState(() {
isEmailValid = emailController.text.endsWith('@gmail.com');
});
}
Future<void> _saveUserData(String email, String password) async {
SharedPreferences prefs = await SharedPreferences.getInstance();
await prefs.setString('email', email);
await prefs.setString('password', password);
}
Future<void> _registerUser() async {
String email = emailController.text.trim();
String password = passwordController.text.trim();
String name = nameController.text.trim();
if (name.isEmpty || password.isEmpty) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Nama dan Password tidak boleh kosong')),
);
return;
}
setState(() {
isLoading = true;
});
try {
await FirebaseAuth.instance.createUserWithEmailAndPassword(
email: email,
password: password,
);
await _saveUserData(email, password);
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Registrasi berhasil! Silakan login.')),
);
Navigator.pushReplacement(
context,
MaterialPageRoute(builder: (_) => LoginPage()),
);
} on FirebaseAuthException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text(e.message ?? 'Terjadi kesalahan saat registrasi')),
);
} finally {
setState(() {
isLoading = false;
});
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: Container(
width: double.infinity,
height: double.infinity,
decoration: const BoxDecoration(
gradient: LinearGradient(
colors: [
Color(0xFFB3E5FC), // biru pastel muda
Color(0xFFE1F5FE), // biru pastel pucat
],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
),
padding: const EdgeInsets.all(20.0),
child: SingleChildScrollView(
child: Column(
children: [
SizedBox(height: 60),
Icon(Icons.person_add, size: 80, color: Colors.blueGrey[800]),
SizedBox(height: 10),
Text(
"Buat Akun Baru",
style: TextStyle(
fontSize: 24,
fontWeight: FontWeight.bold,
color: Colors.blueGrey[800],
),
),
SizedBox(height: 30),
Container(
padding: EdgeInsets.all(20),
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.95),
borderRadius: BorderRadius.circular(16),
boxShadow: [
BoxShadow(
color: Colors.blueGrey.withOpacity(0.1),
blurRadius: 20,
offset: Offset(0, 10),
),
],
),
child: Column(
children: [
TextField(
controller: nameController,
decoration: InputDecoration(
labelText: 'Nama',
prefixIcon: Icon(Icons.person, color: Colors.blueGrey),
border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
),
),
SizedBox(height: 15),
TextField(
controller: emailController,
keyboardType: TextInputType.emailAddress,
decoration: InputDecoration(
labelText: 'Email',
prefixIcon: Icon(Icons.email, color: Colors.blueGrey),
border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
),
),
SizedBox(height: 15),
TextField(
controller: passwordController,
obscureText: _obscurePassword,
decoration: InputDecoration(
labelText: 'Password',
prefixIcon: Icon(Icons.lock, color: Colors.blueGrey),
suffixIcon: IconButton(
icon: Icon(
_obscurePassword ? Icons.visibility_off : Icons.visibility,
color: Colors.blueGrey,
),
onPressed: () {
setState(() {
_obscurePassword = !_obscurePassword;
});
},
),
border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
),
),
if (!isEmailValid && emailController.text.isNotEmpty)
Padding(
padding: const EdgeInsets.only(top: 10),
child: Text(
'Email harus berakhiran @gmail.com',
style: TextStyle(color: Colors.redAccent),
),
),
SizedBox(height: 20),
ElevatedButton(
onPressed: isEmailValid && !isLoading ? _registerUser : null,
style: ElevatedButton.styleFrom(
backgroundColor: Color(0xFF81D4FA),
minimumSize: Size(double.infinity, 48),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
child: isLoading
? CircularProgressIndicator(color: Colors.white)
: Text(
'DAFTAR',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
color: Colors.white,
letterSpacing: 1.1,
),
),
),
SizedBox(height: 10),
OutlinedButton(
onPressed: () {
Navigator.pop(context);
},
style: OutlinedButton.styleFrom(
minimumSize: Size(double.infinity, 48),
side: BorderSide(color: Colors.blueGrey),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
child: Text(
'KEMBALI',
style: TextStyle(
fontWeight: FontWeight.bold,
color: Colors.blueGrey[700],
),
),
),
],
),
),
],
),
),
),
);
}
}