454 lines
14 KiB
Dart
454 lines
14 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_spinkit/flutter_spinkit.dart';
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import 'screens/improved_home_screen.dart';
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import 'register.dart';
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import 'services/auth_service.dart';
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class LoginScreen extends StatefulWidget {
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const LoginScreen({super.key});
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@override
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State<LoginScreen> createState() => _LoginScreenState();
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}
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class _LoginScreenState extends State<LoginScreen> {
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final _formKey = GlobalKey<FormState>();
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final _emailController = TextEditingController();
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final _passwordController = TextEditingController();
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final _authService = AuthService();
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bool _obscurePassword = true;
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bool _isLoading = false;
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@override
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void dispose() {
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_emailController.dispose();
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_passwordController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: Colors.white,
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body: Column(
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children: [
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// Header
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Container(
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width: double.infinity,
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padding: const EdgeInsets.fromLTRB(8, 0, 16, 24),
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decoration: const BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [Color(0xFF1565C0), Color(0xFF0D47A1)],
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),
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borderRadius: BorderRadius.only(
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bottomLeft: Radius.circular(28),
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bottomRight: Radius.circular(28),
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),
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),
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child: SafeArea(
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bottom: false,
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child: Column(
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children: [
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const SizedBox(height: 20),
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Container(
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padding: const EdgeInsets.all(18),
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decoration: BoxDecoration(
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color: Colors.white,
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shape: BoxShape.circle,
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.1),
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blurRadius: 20,
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offset: const Offset(0, 6),
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),
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],
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),
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child: const Icon(
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Icons.person_rounded,
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color: Color(0xFF1565C0),
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size: 36,
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),
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),
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const SizedBox(height: 16),
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const Text(
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'Selamat Datang',
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style: TextStyle(
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fontSize: 22,
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fontWeight: FontWeight.w700,
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color: Colors.white,
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letterSpacing: 0.3,
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),
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),
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const SizedBox(height: 4),
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Text(
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'Masuk ke akun Anda untuk melanjutkan',
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style: TextStyle(
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fontSize: 13,
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color: Colors.white.withOpacity(0.8),
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),
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),
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],
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),
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),
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),
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// Main Content
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Expanded(
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child: SingleChildScrollView(
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padding: const EdgeInsets.fromLTRB(24, 28, 24, 24),
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child: Form(
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key: _formKey,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Email Field
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_buildTextField(
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label: 'Email',
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controller: _emailController,
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keyboardType: TextInputType.emailAddress,
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prefixIcon: Icons.email_outlined,
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),
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const SizedBox(height: 18),
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// Password Field
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_buildTextField(
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label: 'Password',
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controller: _passwordController,
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obscureText: _obscurePassword,
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prefixIcon: Icons.lock_outline,
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suffixIcon: IconButton(
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icon: Icon(
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_obscurePassword
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? Icons.visibility_outlined
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: Icons.visibility_off_outlined,
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color: const Color(0xFF1565C0),
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),
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onPressed: () {
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setState(() {
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_obscurePassword = !_obscurePassword;
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});
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},
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),
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),
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const SizedBox(height: 28),
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// Login Button
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SizedBox(
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width: double.infinity,
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child: _buildActionButton(
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label: 'MASUK',
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onPressed: _isLoading ? null : _handleLogin,
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),
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),
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const SizedBox(height: 24),
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// Info Aplikasi untuk Mahasiswa Polije
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_buildInfoCard(),
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const SizedBox(height: 20),
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// Register Link
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text(
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'Belum punya akun? ',
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style: TextStyle(
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fontSize: 14,
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color: Colors.grey[600],
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),
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),
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GestureDetector(
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onTap: () {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => const RegisterScreen(),
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),
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);
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},
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child: const Text(
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'Daftar Sekarang',
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w700,
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color: Color(0xFF1565C0),
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),
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),
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),
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],
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),
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const SizedBox(height: 20),
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],
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),
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),
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),
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),
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],
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),
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);
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}
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Future<void> _handleLogin() async {
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if (_formKey.currentState == null) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('Error: Form not initialized')),
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);
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return;
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}
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if (!_formKey.currentState!.validate()) {
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return;
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}
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setState(() => _isLoading = true);
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try {
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final result = await _authService.login(
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email: _emailController.text.trim(),
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password: _passwordController.text,
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);
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if (!mounted) return;
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setState(() => _isLoading = false);
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if (result['success']) {
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(builder: (context) => const ImprovedHomeScreen()),
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);
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} else {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(result['message'] ?? 'Login gagal'),
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backgroundColor: Colors.red,
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),
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);
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}
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} catch (e) {
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if (!mounted) return;
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setState(() => _isLoading = false);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Terjadi kesalahan: $e'),
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backgroundColor: Colors.red,
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),
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);
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}
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}
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Widget _buildTextField({
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required String label,
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required TextEditingController controller,
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TextInputType? keyboardType,
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bool obscureText = false,
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IconData? prefixIcon,
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Widget? suffixIcon,
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}) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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label,
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style: const TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w600,
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color: Color(0xFF1A1A2E),
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),
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),
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const SizedBox(height: 8),
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TextFormField(
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controller: controller,
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keyboardType: keyboardType,
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obscureText: obscureText,
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validator: (value) {
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if (value == null || value.isEmpty) {
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return 'Field ini tidak boleh kosong';
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}
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if (keyboardType == TextInputType.emailAddress) {
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if (!value.contains('@')) {
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return 'Email tidak valid';
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}
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}
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return null;
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},
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decoration: InputDecoration(
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prefixIcon: prefixIcon != null
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? Icon(prefixIcon, color: const Color(0xFF1565C0), size: 20)
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: null,
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suffixIcon: suffixIcon,
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filled: true,
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fillColor: const Color(0xFFF7F8FC),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(14),
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borderSide: const BorderSide(color: Color(0xFFE0E0E0)),
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(14),
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borderSide: const BorderSide(color: Color(0xFFE0E0E0)),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(14),
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borderSide: const BorderSide(
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color: Color(0xFF1565C0),
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width: 1.5,
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),
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),
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errorBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(14),
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borderSide: const BorderSide(color: Color(0xFFEF5350)),
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),
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 15,
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),
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),
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),
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],
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);
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}
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Widget _buildInfoCard() {
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return Container(
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padding: const EdgeInsets.all(18),
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decoration: BoxDecoration(
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color: const Color(0xFFF7F8FC),
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borderRadius: BorderRadius.circular(16),
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border: Border.all(color: const Color(0xFFE0E0E0)),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Container(
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padding: const EdgeInsets.all(10),
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decoration: BoxDecoration(
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color: const Color(0xFF1565C0).withOpacity(0.08),
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borderRadius: BorderRadius.circular(12),
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),
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child: const Icon(
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Icons.school_rounded,
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color: Color(0xFF1565C0),
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size: 22,
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),
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),
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const SizedBox(width: 12),
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const Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'Untuk Mahasiswa',
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style: TextStyle(
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fontSize: 15,
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fontWeight: FontWeight.w700,
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color: Color(0xFF1A1A2E),
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),
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),
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Text(
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'Politeknik Negeri Jember',
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w500,
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color: Color(0xFF1565C0),
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),
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),
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],
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),
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),
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],
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),
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const SizedBox(height: 16),
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_buildInfoItem(
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Icons.home_rounded,
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'Temukan Kontrakan Terbaik',
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'Rekomendasi kontrakan terdekat dari kampus',
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),
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const SizedBox(height: 10),
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_buildInfoItem(
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Icons.local_laundry_service_rounded,
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'Cari Laundry Terpercaya',
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'Temukan laundry dengan kualitas terbaik',
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),
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const SizedBox(height: 10),
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_buildInfoItem(
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Icons.analytics_rounded,
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'Metode SAW',
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'Rekomendasi berdasarkan preferensi Anda',
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),
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],
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),
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);
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}
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Widget _buildInfoItem(IconData icon, String title, String description) {
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return Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Icon(icon, color: const Color(0xFF1565C0).withOpacity(0.6), size: 18),
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const SizedBox(width: 10),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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title,
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style: const TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w600,
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color: Color(0xFF1A1A2E),
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),
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),
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const SizedBox(height: 2),
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Text(
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description,
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style: TextStyle(
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fontSize: 12,
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color: Colors.grey[500],
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height: 1.3,
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),
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),
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],
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),
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),
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],
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);
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}
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Widget _buildActionButton({
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required String label,
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required VoidCallback? onPressed,
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}) {
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return ElevatedButton(
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onPressed: onPressed,
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style: ElevatedButton.styleFrom(
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backgroundColor: const Color(0xFF1565C0),
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foregroundColor: Colors.white,
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padding: const EdgeInsets.symmetric(vertical: 16),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(14)),
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elevation: 0,
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disabledBackgroundColor: Colors.grey[300],
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shadowColor: const Color(0xFF1565C0).withOpacity(0.3),
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),
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child: _isLoading
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? const SpinKitThreeBounce(color: Colors.white, size: 20)
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: Text(
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label,
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style: const TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w700,
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letterSpacing: 0.5,
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),
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),
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);
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}
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}
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