102 lines
No EOL
3.4 KiB
Dart
102 lines
No EOL
3.4 KiB
Dart
// EmergencyRecoveryScreen - 簡素化された緊急回復画面
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import 'package:flutter/material.dart';
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class EmergencyRecoveryScreen extends StatelessWidget {
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final String errorMessage;
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const EmergencyRecoveryScreen({super.key, this.errorMessage = ''});
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Container(
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decoration: 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: [Colors.orange.shade50, Colors.yellow.shade50],
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),
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),
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child: SafeArea(
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child: Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.all(24),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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Icon(
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Icons.refresh,
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size: 80,
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color: Colors.deepOrange.shade600,
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),
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const SizedBox(height: 16),
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Text(
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'アプリの停止が発生しました',
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.bold,
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color: Colors.orange[700],
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),
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),
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const SizedBox(height: 8),
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Text(
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errorMessage.isNotEmpty ? errorMessage : 'アプリが異常に停止しました。',
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textAlign: TextAlign.center,
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style: TextStyle(color: Colors.grey[600]),
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),
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const SizedBox(height: 32),
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ElevatedButton.icon(
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icon: Icon(Icons.refresh),
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label: Text('アプリを再起動'),
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style: ElevatedButton.styleFrom(
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padding: const EdgeInsets.symmetric(vertical: 16),
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),
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onPressed: () => _rebootApp(context),
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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> _rebootApp(BuildContext context) async {
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (ctx) => AlertDialog(
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title: const Text('アプリを再起動しますか？'),
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content: Text(errorMessage.isNotEmpty ? errorMessage : 'アプリが正常に動作していないようです。再起動しますか？'),
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actions: [
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TextButton(onPressed: () => Navigator.pop(ctx, false), child: const Text('キャンセル')),
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ElevatedButton(
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onPressed: () {
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if (context.mounted) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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SystemNavigator.pop();
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});
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Navigator.pop(ctx, true);
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}
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},
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style: ElevatedButton.styleFrom(backgroundColor: Colors.blue.shade500),
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child: const Text('再起動'),
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),
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],
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),
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);
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if (confirmed == true) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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SystemNavigator.pop();
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});
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}
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}
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} |