249 lines
9.4 KiB
Dart
249 lines
9.4 KiB
Dart
import 'dart:io';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:package_info_plus/package_info_plus.dart';
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import 'package:url_launcher/url_launcher.dart';
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class CrashScreen extends StatelessWidget {
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const CrashScreen({
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super.key,
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required this.exception,
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required this.stackTrace,
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this.gitHash = const String.fromEnvironment('GIT_HASH'),
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});
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final Object exception;
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final StackTrace? stackTrace;
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final String gitHash;
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String get _buildMode {
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if (kDebugMode) return 'debug';
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if (kProfileMode) return 'profile';
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return 'release';
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}
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Future<String> _fetchVersion() async {
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try {
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final info = await PackageInfo.fromPlatform();
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return '${info.version}+${info.buildNumber}';
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} catch (_) {
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return 'unknown';
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}
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}
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Future<String> _buildReport() async {
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final version = await _fetchVersion();
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final platform =
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'${Platform.operatingSystem} ${Platform.operatingSystemVersion}';
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final versionDisplay = gitHash.isNotEmpty
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? '[$version](https://codeberg.org/guettli/sharedinbox/commit/$gitHash)'
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: version;
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final gitLine = gitHash.isNotEmpty
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? 'Git Commit: [$gitHash](https://codeberg.org/guettli/sharedinbox/commit/$gitHash)\n'
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: '';
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final timestamp = DateTime.now().toUtc().toIso8601String();
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return 'App Version: $versionDisplay\n'
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'Build Mode: $_buildMode\n'
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'$gitLine'
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'Platform: $platform\n'
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'Dart: ${Platform.version}\n'
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'Timestamp: $timestamp\n\n'
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'Error:\n```\n$exception\n```\n\n'
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'Stack Trace:\n```\n$stackTrace\n```';
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}
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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home: Scaffold(
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appBar: AppBar(
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title: const Text('Something went wrong'),
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backgroundColor: Theme.of(context).colorScheme.errorContainer,
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),
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body: Builder(
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builder: (ctx) => SingleChildScrollView(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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const Icon(Icons.error_outline, color: Colors.red, size: 64),
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const SizedBox(height: 16),
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Text(
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'sharedinbox.de encountered an unexpected error and needs to be restarted.',
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style: Theme.of(ctx).textTheme.titleMedium,
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textAlign: TextAlign.center,
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),
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const SizedBox(height: 4),
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FutureBuilder<String>(
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future: _fetchVersion(),
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builder: (context, snapshot) => Text(
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'v${snapshot.data ?? '…'} • $_buildMode • '
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'${Platform.operatingSystem} ${Platform.operatingSystemVersion}',
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style: Theme.of(
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context,
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).textTheme.bodySmall?.copyWith(color: Colors.grey[600]),
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textAlign: TextAlign.center,
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),
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),
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if (gitHash.isNotEmpty) ...[
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const SizedBox(height: 8),
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FutureBuilder<PackageInfo>(
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future: PackageInfo.fromPlatform(),
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builder: (_, snapshot) {
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if (!snapshot.hasData) return const SizedBox.shrink();
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final version =
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'${snapshot.data!.version}+${snapshot.data!.buildNumber}';
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return GestureDetector(
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onTap: () async {
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final url = Uri.parse(
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'https://codeberg.org/guettli/sharedinbox/commit/$gitHash',
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);
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await launchUrl(
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url,
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mode: LaunchMode.externalApplication,
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);
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},
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child: Text(
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'App Version: $version',
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style: const TextStyle(
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fontSize: 12,
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color: Colors.blue,
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decoration: TextDecoration.underline,
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),
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textAlign: TextAlign.center,
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),
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);
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},
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),
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const SizedBox(height: 4),
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GestureDetector(
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onTap: () async {
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final url = Uri.parse(
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'https://codeberg.org/guettli/sharedinbox/commit/$gitHash',
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);
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await launchUrl(
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url,
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mode: LaunchMode.externalApplication,
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);
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},
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child: Text(
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'Git Commit: $gitHash',
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style: const TextStyle(
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fontSize: 12,
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color: Colors.blue,
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decoration: TextDecoration.underline,
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),
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textAlign: TextAlign.center,
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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 Text(
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'Error Details:',
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style: TextStyle(fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 8),
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: Colors.grey[200],
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borderRadius: BorderRadius.circular(8),
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),
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child: Text(
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exception.toString(),
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style: const TextStyle(
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fontFamily: 'monospace',
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fontSize: 12,
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),
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),
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),
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if (stackTrace != null) ...[
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const SizedBox(height: 16),
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const Text(
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'Stack Trace:',
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style: TextStyle(fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 8),
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: Colors.grey[200],
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borderRadius: BorderRadius.circular(8),
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),
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child: Text(
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stackTrace.toString(),
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style: const TextStyle(
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fontFamily: 'monospace',
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fontSize: 10,
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),
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),
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),
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],
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const SizedBox(height: 24),
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FilledButton.icon(
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onPressed: () async {
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final data = await _buildReport();
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await Clipboard.setData(ClipboardData(text: data));
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if (ctx.mounted) {
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ScaffoldMessenger.of(ctx).showSnackBar(
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const SnackBar(
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duration: Duration(seconds: 5),
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content: Text('Copied to clipboard'),
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),
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);
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}
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},
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icon: const Icon(Icons.copy),
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label: const Text('Copy to Clipboard'),
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),
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const SizedBox(height: 16),
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OutlinedButton.icon(
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onPressed: () async {
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// URL carries only the title to avoid exceeding browser
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// URL-length limits — long stack traces caused "create
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// issue failed" (#146). Use "Copy to Clipboard" first to
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// get the full report, then paste it in the issue body.
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final title = Uri.encodeComponent(
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'Crash: ${exception.toString().split('\n').first}',
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);
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final url = Uri.parse(
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'https://codeberg.org/guettli/sharedinbox/issues/new?title=$title',
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);
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try {
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final launched = await launchUrl(
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url,
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mode: LaunchMode.externalApplication,
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);
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if (!launched && ctx.mounted) {
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ScaffoldMessenger.of(ctx).showSnackBar(
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const SnackBar(
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duration: Duration(seconds: 5),
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content: Text('Could not open browser.'),
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),
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);
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}
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} catch (e) {
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if (ctx.mounted) {
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ScaffoldMessenger.of(ctx).showSnackBar(
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SnackBar(
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duration: const Duration(seconds: 5),
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content: Text('Error: $e'),
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),
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);
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}
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}
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},
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icon: const Icon(Icons.bug_report),
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label: const Text('Report Issue on Codeberg'),
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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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