mirror of
https://github.com/zjs81/meshcore-open.git
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Initial commit: MeshCore Open Flutter client
Open-source Flutter client for MeshCore LoRa mesh networking devices. Features: - BLE device scanning and connection - Nordic UART Service (NUS) integration - Material 3 design with system theme support - Provider-based state management - Placeholder screens for chat, contacts, and settings 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
zach
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../connector/meshcore_connector.dart';
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import 'channels_screen.dart';
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import 'contacts_screen.dart';
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import 'map_screen.dart';
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import 'settings_screen.dart';
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/// Main hub screen after connecting to a MeshCore device
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class DeviceScreen extends StatefulWidget {
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const DeviceScreen({super.key});
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@override
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State<DeviceScreen> createState() => _DeviceScreenState();
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}
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class _DeviceScreenState extends State<DeviceScreen> {
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bool _showBatteryVoltage = false;
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@override
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Widget build(BuildContext context) {
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return Consumer<MeshCoreConnector>(
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builder: (context, connector, child) {
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// If disconnected, pop back to scanner
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if (!connector.isConnected) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (context.mounted) {
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Navigator.popUntil(context, (route) => route.isFirst);
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}
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});
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}
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return PopScope(
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canPop: false,
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child: Scaffold(
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appBar: AppBar(
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title: Text(connector.device?.platformName ?? 'MeshCore Device'),
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centerTitle: true,
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automaticallyImplyLeading: false,
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actions: [
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IconButton(
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icon: const Icon(Icons.bluetooth_disabled),
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tooltip: 'Disconnect',
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onPressed: () => _disconnect(context, connector),
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),
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],
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),
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body: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// Connection status card
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_buildStatusCard(connector, context),
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const SizedBox(height: 24),
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// Navigation grid
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Expanded(
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child: _buildNavigationGrid(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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Widget _buildStatusCard(MeshCoreConnector connector, BuildContext context) {
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return Card(
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Row(
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children: [
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const Icon(Icons.bluetooth_connected, color: Colors.green, size: 32),
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const SizedBox(width: 16),
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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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connector.device?.platformName ?? 'Unknown Device',
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style: const TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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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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connector.device?.remoteId.toString() ?? '',
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style: TextStyle(
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fontSize: 12,
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color: Colors.grey[600],
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),
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),
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],
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),
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),
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Column(
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
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decoration: BoxDecoration(
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color: Colors.green.withValues(alpha: 0.1),
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borderRadius: BorderRadius.circular(16),
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),
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child: const Text(
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'Connected',
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style: TextStyle(
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color: Colors.green,
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fontWeight: FontWeight.w500,
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),
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),
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),
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const SizedBox(height: 8),
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_buildBatteryIndicator(connector, 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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Widget _buildBatteryIndicator(MeshCoreConnector connector, BuildContext context) {
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final percent = connector.batteryPercent;
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final millivolts = connector.batteryMillivolts;
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final percentLabel = percent != null ? '$percent%' : '--%';
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final voltageLabel = millivolts == null
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? '-- V'
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: '${(millivolts / 1000.0).toStringAsFixed(2)} V';
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final displayLabel = _showBatteryVoltage ? voltageLabel : percentLabel;
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final icon = _batteryIcon(percent);
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return InkWell(
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borderRadius: BorderRadius.circular(16),
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onTap: () {
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setState(() {
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_showBatteryVoltage = !_showBatteryVoltage;
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});
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},
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
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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: 18, color: Colors.grey[700]),
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const SizedBox(width: 4),
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Text(
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displayLabel,
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style: TextStyle(
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fontSize: 12,
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color: Colors.grey[700],
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fontWeight: FontWeight.w600,
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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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IconData _batteryIcon(int? percent) {
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if (percent == null) return Icons.battery_unknown;
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if (percent <= 15) return Icons.battery_alert;
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return Icons.battery_full;
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}
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Widget _buildNavigationGrid(BuildContext context) {
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final items = [
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_NavItem(
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icon: Icons.people_outline,
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label: 'Contacts',
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color: Colors.blue,
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onTap: () => Navigator.push(
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context,
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MaterialPageRoute(builder: (context) => const ContactsScreen()),
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),
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),
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_NavItem(
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icon: Icons.tag,
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label: 'Channels',
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color: Colors.green,
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onTap: () => Navigator.push(
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context,
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MaterialPageRoute(builder: (context) => const ChannelsScreen()),
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),
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),
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_NavItem(
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icon: Icons.map_outlined,
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label: 'Map',
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color: Colors.orange,
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onTap: () => Navigator.push(
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context,
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MaterialPageRoute(builder: (context) => const MapScreen()),
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),
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),
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_NavItem(
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icon: Icons.settings_outlined,
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label: 'Settings',
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color: Colors.grey,
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onTap: () => Navigator.push(
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context,
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MaterialPageRoute(builder: (context) => const SettingsScreen()),
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),
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),
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];
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return GridView.builder(
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gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 2,
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crossAxisSpacing: 16,
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mainAxisSpacing: 16,
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childAspectRatio: 1.2,
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),
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itemCount: items.length,
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itemBuilder: (context, index) {
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final item = items[index];
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return _buildNavCard(item);
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},
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);
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}
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Widget _buildNavCard(_NavItem item) {
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return Card(
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child: InkWell(
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onTap: item.onTap,
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borderRadius: BorderRadius.circular(12),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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item.icon,
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size: 48,
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color: item.color,
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),
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const SizedBox(height: 12),
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Text(
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item.label,
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style: const TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w500,
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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> _disconnect(BuildContext context, MeshCoreConnector connector) async {
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('Disconnect'),
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content: const Text('Are you sure you want to disconnect from this device?'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: const Text('Cancel'),
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),
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TextButton(
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onPressed: () => Navigator.pop(context, true),
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child: const Text('Disconnect'),
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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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await connector.disconnect();
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}
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}
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}
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class _NavItem {
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final IconData icon;
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final String label;
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final Color color;
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final VoidCallback onTap;
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_NavItem({
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required this.icon,
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required this.label,
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required this.color,
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required this.onTap,
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});
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}
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