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https://github.com/dz0ny/meshcore-sar.git
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chore: Initial commit
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01XPovRHpejR4zRxuhjY4Qs3
This commit is contained in:
Janez Troha
394
lib/screens/add_contact_screen.dart
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394
lib/screens/add_contact_screen.dart
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@@ -0,0 +1,394 @@
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:provider/provider.dart';
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import '../providers/connection_provider.dart';
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import '../l10n/app_localizations.dart';
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class AddContactScreen extends StatefulWidget {
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final String? initialAdvert;
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const AddContactScreen({super.key, this.initialAdvert});
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@override
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State<AddContactScreen> createState() => _AddContactScreenState();
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}
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class _AddContactScreenState extends State<AddContactScreen> {
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final TextEditingController _advertController = TextEditingController();
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bool _isImporting = false;
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bool _importSucceeded = false;
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String? _validationError;
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@override
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void initState() {
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super.initState();
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if (widget.initialAdvert != null &&
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widget.initialAdvert!.trim().isNotEmpty) {
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_advertController.text = widget.initialAdvert!.trim();
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} else {
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_loadClipboardIfPresent();
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}
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}
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@override
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void dispose() {
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_advertController.dispose();
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super.dispose();
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}
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Future<void> _loadClipboardIfPresent() async {
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final clipboardData = await Clipboard.getData(Clipboard.kTextPlain);
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final text = clipboardData?.text?.trim();
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if (!mounted || text == null || text.isEmpty) {
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return;
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}
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if (_normalizeAdvertText(text) == null) {
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return;
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}
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_advertController.text = text;
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}
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String? _normalizeAdvertText(String value) {
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final trimmed = value.trim();
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if (trimmed.isEmpty) {
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return null;
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}
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var normalized = trimmed;
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if (normalized.startsWith('meshcore://')) {
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normalized = normalized.substring('meshcore://'.length);
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}
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normalized = normalized.replaceAll(RegExp(r'\s+'), '');
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if (normalized.isEmpty) {
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return null;
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}
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final isHex = RegExp(r'^[0-9a-fA-F]+$').hasMatch(normalized);
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if (!isHex || normalized.length.isOdd) {
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return null;
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}
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return normalized.toLowerCase();
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}
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Uint8List _hexToBytes(String hex) {
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final bytes = <int>[];
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for (var i = 0; i < hex.length; i += 2) {
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bytes.add(int.parse(hex.substring(i, i + 2), radix: 16));
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}
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return Uint8List.fromList(bytes);
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}
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Future<void> _pasteFromClipboard() async {
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final clipboardData = await Clipboard.getData(Clipboard.kTextPlain);
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final text = clipboardData?.text;
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if (text == null || text.trim().isEmpty) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text(AppLocalizations.of(context)!.clipboardIsEmpty)),
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);
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return;
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}
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setState(() {
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_advertController.text = text.trim();
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_importSucceeded = false;
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_validationError = null;
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});
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}
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Future<void> _importContact() async {
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final normalized = _normalizeAdvertText(_advertController.text);
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if (normalized == null) {
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setState(() {
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_validationError =
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'Enter a valid meshcore:// advert or raw hexadecimal contact advert.';
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});
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return;
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}
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final advertBytes = _hexToBytes(normalized);
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if (advertBytes.length < 98) {
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setState(() {
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_validationError =
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'Advert is too short. Expected exported contact data.';
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});
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return;
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}
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setState(() {
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_isImporting = true;
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_importSucceeded = false;
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_validationError = null;
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});
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final connectionProvider = context.read<ConnectionProvider>();
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await connectionProvider.importContactAdvert(advertBytes);
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final importError = connectionProvider.error;
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if (importError == null) {
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await connectionProvider.getContacts();
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}
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if (!mounted) {
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return;
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}
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setState(() {
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_isImporting = false;
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});
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if (importError != null) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(SnackBar(content: Text(importError)));
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return;
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}
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text(AppLocalizations.of(context)!.contactImported)),
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);
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setState(() {
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_importSucceeded = true;
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});
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}
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final normalized = _normalizeAdvertText(_advertController.text);
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final colorScheme = theme.colorScheme;
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return Scaffold(
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appBar: AppBar(title: Text(AppLocalizations.of(context)!.addContact)),
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body: ListView(
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padding: const EdgeInsets.all(16),
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children: [
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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: colorScheme.surfaceContainerHighest.withValues(alpha: 0.5),
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borderRadius: BorderRadius.circular(20),
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border: Border.all(
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color: colorScheme.outlineVariant.withValues(alpha: 0.6),
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),
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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: colorScheme.primary.withValues(alpha: 0.12),
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borderRadius: BorderRadius.circular(14),
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),
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child: Icon(
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Icons.person_add_alt_1_outlined,
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color: colorScheme.primary,
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: Text(
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'Import a shared contact advert',
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style: theme.textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.w700,
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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: 14),
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Text(
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'Paste a `meshcore://...` link or raw hexadecimal advert. The app will validate it and import the contact into the connected device.',
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style: theme.textTheme.bodyMedium?.copyWith(
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color: colorScheme.onSurfaceVariant,
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),
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),
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const SizedBox(height: 14),
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Wrap(
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spacing: 8,
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runSpacing: 8,
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children: [
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_ImportHintChip(
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icon: Icons.link_outlined,
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label: AppLocalizations.of(context)!.acceptsShareLinks,
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),
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_ImportHintChip(
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icon: Icons.code_outlined,
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label: AppLocalizations.of(context)!.supportsRawHex,
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),
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_ImportHintChip(
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icon: Icons.content_paste_go_outlined,
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label: AppLocalizations.of(context)!.clipboardfriendly,
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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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Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: colorScheme.surface,
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borderRadius: BorderRadius.circular(20),
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border: Border.all(
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color: colorScheme.outlineVariant.withValues(alpha: 0.7),
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),
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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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Text(
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'Advert payload',
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style: theme.textTheme.titleSmall?.copyWith(
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fontWeight: FontWeight.w700,
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),
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),
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const SizedBox(height: 6),
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Text(
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'You can paste the full share link or only the hex payload.',
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style: theme.textTheme.bodySmall?.copyWith(
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color: colorScheme.onSurfaceVariant,
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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: _advertController,
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minLines: 5,
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maxLines: 9,
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onChanged: (_) {
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if (_validationError != null || _importSucceeded) {
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setState(() {
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_importSucceeded = false;
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_validationError = null;
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});
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}
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},
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decoration: InputDecoration(
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labelText: 'Contact advert',
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hintText: AppLocalizations.of(context)!.pasteShareLinkOrHexAdvert,
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alignLabelWithHint: true,
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border: const OutlineInputBorder(),
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errorText: _validationError,
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),
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),
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const SizedBox(height: 12),
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Row(
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children: [
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Expanded(
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child: Text(
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normalized == null
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? 'No valid advert detected yet'
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: 'Advert size: ${normalized.length ~/ 2} bytes',
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style: theme.textTheme.bodySmall?.copyWith(
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color: colorScheme.onSurfaceVariant,
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),
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),
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),
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TextButton.icon(
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onPressed: _isImporting ? null : _pasteFromClipboard,
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icon: Icon(Icons.content_paste_go_outlined),
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label: Text(AppLocalizations.of(context)!.paste),
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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: 20),
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FilledButton.icon(
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onPressed: (_isImporting || _importSucceeded)
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? null
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: _importContact,
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style: FilledButton.styleFrom(
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padding: const EdgeInsets.symmetric(vertical: 14),
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),
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icon: _isImporting
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? const SizedBox(
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width: 16,
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height: 16,
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child: CircularProgressIndicator(strokeWidth: 2),
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)
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: _importSucceeded
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? const Icon(Icons.check_circle_outline)
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: const Icon(Icons.person_add_alt_1_outlined),
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label: Text(
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_isImporting
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? 'Importing...'
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: _importSucceeded
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? 'Imported'
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: 'Add Contact',
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),
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),
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const SizedBox(height: 12),
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if (_importSucceeded)
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Container(
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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color: colorScheme.primary.withValues(alpha: 0.08),
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borderRadius: BorderRadius.circular(16),
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border: Border.all(
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color: colorScheme.primary.withValues(alpha: 0.18),
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),
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),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Icon(
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Icons.check_circle,
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size: 18,
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color: colorScheme.primary,
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),
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const SizedBox(width: 10),
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Expanded(
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child: Text(
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'Contact imported. Paste another advert or edit the current one to import again.',
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style: theme.textTheme.bodySmall?.copyWith(
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color: colorScheme.onSurfaceVariant,
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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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}
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}
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class _ImportHintChip extends StatelessWidget {
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final IconData icon;
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final String label;
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const _ImportHintChip({required this.icon, required this.label});
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 8),
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decoration: BoxDecoration(
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color: theme.colorScheme.surface,
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borderRadius: BorderRadius.circular(999),
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border: Border.all(
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color: theme.colorScheme.outlineVariant.withValues(alpha: 0.7),
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),
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),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(icon, size: 16, color: theme.colorScheme.onSurfaceVariant),
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const SizedBox(width: 6),
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Text(label, style: theme.textTheme.labelMedium),
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],
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),
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);
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}
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}
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