312 lines
9.1 KiB
Dart
312 lines
9.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:local_auth/local_auth.dart';
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import '../services/security_service.dart';
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class SecurityScreen extends StatefulWidget {
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const SecurityScreen({
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super.key,
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required this.securityService,
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});
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final SecurityService securityService;
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@override
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State<SecurityScreen> createState() => _SecurityScreenState();
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}
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class _SecurityScreenState extends State<SecurityScreen> {
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final _currentPinController = TextEditingController();
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final _newPinController = TextEditingController();
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final _confirmPinController = TextEditingController();
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bool _loading = true;
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bool _saving = false;
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bool _enabled = false;
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bool _biometricAvailable = false;
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bool _biometricEnabled = false;
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List<BiometricType> _availableBiometrics = const [];
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String? _message;
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@override
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void initState() {
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super.initState();
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_load();
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}
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@override
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void dispose() {
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_currentPinController.dispose();
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_newPinController.dispose();
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_confirmPinController.dispose();
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super.dispose();
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}
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Future<void> _load() async {
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final enabled = await widget.securityService.isPinEnabled();
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final biometricAvailable = await widget.securityService.isBiometricAvailable();
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final biometricEnabled = await widget.securityService.isBiometricEnabled();
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final availableBiometrics = await widget.securityService.getAvailableBiometrics();
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if (!mounted) return;
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setState(() {
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_enabled = enabled;
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_biometricAvailable = biometricAvailable;
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_biometricEnabled = biometricEnabled;
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_availableBiometrics = availableBiometrics;
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_loading = false;
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});
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}
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Future<bool> _verifyCurrentPinFromField() async {
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final current = _currentPinController.text.trim();
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final ok = await widget.securityService.verifyPin(current);
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if (!ok) {
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setState(() => _message = 'PIN actuel incorrect.');
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return false;
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}
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return true;
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}
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Future<void> _savePin() async {
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final newPin = _newPinController.text.trim();
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final confirm = _confirmPinController.text.trim();
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if (newPin != confirm) {
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setState(() => _message = 'Le nouveau PIN et la confirmation ne correspondent pas.');
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return;
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}
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setState(() {
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_saving = true;
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_message = null;
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});
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try {
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if (_enabled) {
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final currentOk = await _verifyCurrentPinFromField();
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if (!currentOk) return;
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}
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await widget.securityService.setPin(newPin);
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_currentPinController.clear();
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_newPinController.clear();
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_confirmPinController.clear();
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await _load();
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setState(() {
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_message = 'Verrouillage PIN activé.';
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});
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} catch (e) {
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setState(() => _message = 'Erreur : $e');
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} finally {
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if (mounted) setState(() => _saving = false);
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}
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}
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Future<void> _disablePin() async {
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setState(() {
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_saving = true;
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_message = null;
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});
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try {
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final currentOk = await _verifyCurrentPinFromField();
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if (!currentOk) return;
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await widget.securityService.disablePin();
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_currentPinController.clear();
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_newPinController.clear();
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_confirmPinController.clear();
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await _load();
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setState(() {
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_message = 'Verrouillage PIN et biométrie désactivés.';
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});
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} catch (e) {
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setState(() => _message = 'Erreur : $e');
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} finally {
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if (mounted) setState(() => _saving = false);
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}
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}
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Future<void> _toggleBiometrics(bool value) async {
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if (_saving) return;
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setState(() {
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_saving = true;
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_message = null;
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});
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try {
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if (!_enabled) {
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setState(() => _message = 'Active d’abord un PIN avant la biométrie.');
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return;
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}
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if (value && !_biometricAvailable) {
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setState(() => _message = 'Aucune empreinte/biométrie disponible sur ce téléphone.');
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return;
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}
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final currentOk = await _verifyCurrentPinFromField();
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if (!currentOk) return;
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await widget.securityService.setBiometricEnabled(value);
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_currentPinController.clear();
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await _load();
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setState(() {
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_message = value
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? 'Déverrouillage par empreinte activé. Verrouille l’app puis teste avec le bouton empreinte.'
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: 'Déverrouillage par empreinte désactivé.';
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});
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} catch (e) {
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setState(() => _message = 'Erreur : $e');
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} finally {
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if (mounted) setState(() => _saving = false);
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}
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}
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String _biometricLabel() {
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if (_availableBiometrics.isEmpty) return 'Aucune biométrie détectée.';
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final labels = _availableBiometrics.map((type) {
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return switch (type) {
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BiometricType.fingerprint => 'empreinte',
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BiometricType.face => 'visage',
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BiometricType.iris => 'iris',
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BiometricType.strong => 'biométrie forte',
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BiometricType.weak => 'biométrie faible',
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};
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}).toSet().join(', ');
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return 'Disponible : $labels.';
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}
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@override
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Widget build(BuildContext context) {
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if (_loading) {
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return Scaffold(
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appBar: AppBar(title: const Text('Sécurité')),
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body: const Center(child: CircularProgressIndicator()),
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);
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}
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return Scaffold(
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appBar: AppBar(title: const Text('Sécurité')),
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body: ListView(
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padding: const EdgeInsets.all(16),
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children: [
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Card(
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child: SwitchListTile(
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value: _enabled,
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onChanged: null,
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secondary: Icon(_enabled ? Icons.lock : Icons.lock_open),
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title: const Text('Verrouillage PIN'),
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subtitle: Text(
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_enabled
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? 'Activé. L’app se verrouille à la fermeture ou au changement d’application.'
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: 'Désactivé. Tes données locales sont accessibles sans PIN.',
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),
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),
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),
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if (_enabled) ...[
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const SizedBox(height: 12),
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Card(
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child: SwitchListTile(
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value: _biometricEnabled,
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onChanged: _saving || !_biometricAvailable ? null : _toggleBiometrics,
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secondary: const Icon(Icons.fingerprint),
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title: const Text('Déverrouillage par empreinte'),
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subtitle: Text(
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_biometricAvailable
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? '${_biometricLabel()} Entre le PIN actuel ci-dessous puis active l’interrupteur.'
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: 'Aucune empreinte/biométrie disponible ou configurée sur ce téléphone.',
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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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if (_enabled) ...[
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TextField(
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controller: _currentPinController,
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obscureText: true,
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keyboardType: TextInputType.number,
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maxLength: 8,
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decoration: const InputDecoration(
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labelText: 'PIN actuel',
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border: OutlineInputBorder(),
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helperText: 'Nécessaire pour changer le PIN, désactiver le PIN ou activer/désactiver l’empreinte.',
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counterText: '',
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),
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),
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const SizedBox(height: 12),
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],
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TextField(
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controller: _newPinController,
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obscureText: true,
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keyboardType: TextInputType.number,
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maxLength: 8,
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decoration: InputDecoration(
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labelText: _enabled ? 'Nouveau PIN' : 'PIN',
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border: const OutlineInputBorder(),
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helperText: '4 à 8 chiffres.',
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counterText: '',
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),
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),
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const SizedBox(height: 12),
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TextField(
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controller: _confirmPinController,
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obscureText: true,
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keyboardType: TextInputType.number,
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maxLength: 8,
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decoration: const InputDecoration(
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labelText: 'Confirmer le PIN',
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border: OutlineInputBorder(),
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counterText: '',
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),
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),
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const SizedBox(height: 16),
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FilledButton.icon(
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onPressed: _saving ? null : _savePin,
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icon: const Icon(Icons.save),
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label: Text(_enabled ? 'Changer le PIN' : 'Activer le PIN'),
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),
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if (_enabled) ...[
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const SizedBox(height: 8),
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OutlinedButton.icon(
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onPressed: _saving ? null : _disablePin,
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icon: const Icon(Icons.lock_open),
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label: const Text('Désactiver le PIN'),
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),
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],
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if (_message != null) ...[
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const SizedBox(height: 16),
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Card(
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child: Padding(
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padding: const EdgeInsets.all(12),
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child: Text(_message!),
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),
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),
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],
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const SizedBox(height: 24),
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const Card(
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child: Padding(
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padding: EdgeInsets.all(12),
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child: Text(
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'Le PIN protège l’accès local à l’application. L’empreinte utilise la sécurité biométrique du téléphone. Le PIN reste le secours si l’empreinte échoue.',
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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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