bluetooth connectivity layer added
This commit is contained in:
Constantin Leue
@@ -1,15 +1,277 @@
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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/// Drohnen-Profile: FC-Typ, Flugleistungsdaten, Standardprofil T1 Ranger
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/// (Architektur-Doku 3.5).
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import '../../../transport/bluetooth/bluetooth_device_info.dart';
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import '../../../transport/bluetooth/bluetooth_system_settings.dart';
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import '../../../transport/link_transport.dart';
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import '../../dmc_colors.dart';
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import '../../providers/bluetooth_connection_provider.dart';
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import '../../providers/connection_settings_provider.dart';
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import '../../providers/database_provider.dart';
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/// Einstellungen: Drohnen-Profile (Doku 3.5/7.3, noch nicht hier
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/// angebunden - siehe DroneProfileEditor) und Verbindung (Doku
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/// Kommunikationsschicht Abschnitt 7).
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class SettingsScreen extends StatelessWidget {
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const SettingsScreen({super.key});
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(title: const Text('Drone Profiles')),
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body: const Center(child: Text('Settings')),
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appBar: AppBar(title: const Text('Settings')),
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body: ListView(
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padding: const EdgeInsets.all(16),
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children: const [_ConnectionSection()],
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),
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);
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}
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}
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class _ConnectionSection extends ConsumerWidget {
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const _ConnectionSection();
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final linkState = ref.watch(linkStateProvider).value;
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final errorReason = ref.watch(linkErrorReasonProvider);
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final bondedDevices = ref.watch(bondedDevicesProvider);
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final connectionSettings = ref.watch(connectionSettingsProvider).value;
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final log = ref.watch(connectionLogProvider);
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final packetCount = ref.watch(connectionLogProvider.notifier).packetCount;
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return Card(
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child: Padding(
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padding: const EdgeInsets.all(16),
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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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Text('Verbindung', style: Theme.of(context).textTheme.titleMedium),
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const Spacer(),
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_StatePill(state: linkState),
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],
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),
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const SizedBox(height: 12),
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const Text('Art: Bluetooth'),
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const SizedBox(height: 4),
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const Text(
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'WLAN und USB folgen spaeter (Doku Kommunikationsschicht 6/7).',
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style: TextStyle(fontSize: 12, color: Colors.grey),
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),
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if (errorReason != null) ...[
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const SizedBox(height: 12),
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_ErrorHint(reason: errorReason),
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],
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const SizedBox(height: 16),
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Row(
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children: [
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ElevatedButton(
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onPressed: () => _connect(ref),
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child: const Text('Verbinden'),
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),
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const SizedBox(width: 8),
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OutlinedButton(
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onPressed: () => ref.read(bluetoothTransportProvider).disconnect(),
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child: const Text('Trennen'),
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),
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const SizedBox(width: 8),
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TextButton(
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onPressed: BluetoothSystemSettings.openBluetoothSettings,
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child: const Text('Geraet koppeln'),
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),
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],
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),
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const SizedBox(height: 16),
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SwitchListTile(
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contentPadding: EdgeInsets.zero,
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title: const Text('Beim Wechsel in Fly automatisch verbinden'),
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value: connectionSettings?.connectionAutoConnect ?? true,
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onChanged: (value) async {
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await ref
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.read(appSettingsRepositoryProvider)
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.setConnectionAutoConnect(value);
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ref.invalidate(connectionSettingsProvider);
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},
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),
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const SizedBox(height: 8),
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Text('Gekoppelte Geraete', style: Theme.of(context).textTheme.titleSmall),
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const SizedBox(height: 4),
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bondedDevices.when(
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data: (devices) => devices.isEmpty
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? const Text(
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'Keine gekoppelten Geraete. Ueber "Geraet koppeln" '
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'zunaechst einmalig ueber den Systemdialog koppeln.',
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style: TextStyle(fontSize: 12, color: Colors.grey),
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)
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: RadioGroup<String>(
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groupValue: connectionSettings?.connectionDeviceAddress,
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onChanged: (address) =>
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_selectDevice(ref, address, devices),
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child: Column(
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children: [
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for (final device in devices)
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RadioListTile<String>(
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contentPadding: EdgeInsets.zero,
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dense: true,
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value: device.address,
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title: Text(device.displayName),
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subtitle: Text(
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device.address,
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style: const TextStyle(fontSize: 11),
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),
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),
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],
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),
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),
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loading: () => const Padding(
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padding: EdgeInsets.symmetric(vertical: 8),
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child: LinearProgressIndicator(),
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),
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error: (e, _) => Text(
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'Gekoppelte Geraete konnten nicht gelesen werden: $e',
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style: const TextStyle(fontSize: 12, color: Colors.grey),
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),
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),
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const SizedBox(height: 16),
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Text(
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'Verbindungsprotokoll ($packetCount Datenpakete empfangen)',
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style: Theme.of(context).textTheme.titleSmall,
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),
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const SizedBox(height: 4),
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SizedBox(
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height: 120,
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child: log.isEmpty
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? const Text(
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'Noch keine Ereignisse.',
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style: TextStyle(fontSize: 12, color: Colors.grey),
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)
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: ListView.builder(
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reverse: true,
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itemCount: log.length,
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itemBuilder: (context, index) {
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final entry = log[log.length - 1 - index];
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return Text(
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'${_formatTime(entry.timestamp)} ${entry.message}',
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style: const TextStyle(fontSize: 12, fontFamily: 'monospace'),
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);
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},
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),
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),
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],
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),
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),
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);
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}
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Future<void> _connect(WidgetRef ref) async {
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try {
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await ref.read(bluetoothTransportProvider).connect();
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} on LinkConnectException {
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// Grund/Nachricht sind bereits ueber lastErrorReason/state gemeldet
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// (siehe LinkConnectException-Doku) - die Oberflaeche reagiert darauf
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// ueber linkErrorReasonProvider/_ErrorHint, hier ist nichts weiter zu tun.
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}
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}
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String _formatTime(DateTime t) =>
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'${t.hour.toString().padLeft(2, '0')}:${t.minute.toString().padLeft(2, '0')}:${t.second.toString().padLeft(2, '0')}';
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Future<void> _selectDevice(
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WidgetRef ref,
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String? address,
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List<BluetoothDeviceInfo> devices,
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) async {
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if (address == null) return;
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await ref
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.read(appSettingsRepositoryProvider)
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.setConnectionDeviceAddress(address);
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ref.invalidate(connectionSettingsProvider);
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try {
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await ref.read(bluetoothTransportProvider).connect();
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} on LinkConnectException {
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// siehe _connect() oben
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}
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}
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}
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class _StatePill extends StatelessWidget {
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const _StatePill({required this.state});
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final LinkState? state;
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@override
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Widget build(BuildContext context) {
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final (label, color) = switch (state) {
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LinkState.connected => ('Verbunden', DmcColors.liveGreen),
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LinkState.connecting => ('Verbinde ...', DmcColors.pafAmber),
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LinkState.error => ('Fehler', DmcColors.warnRed),
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LinkState.disconnected || null => ('Getrennt', Colors.grey),
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};
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
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decoration: BoxDecoration(
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color: color.withValues(alpha: 0.15),
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: color),
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),
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child: Text(label, style: TextStyle(color: color, fontSize: 12)),
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);
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}
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}
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class _ErrorHint extends StatelessWidget {
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const _ErrorHint({required this.reason});
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final LinkErrorReason reason;
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@override
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Widget build(BuildContext context) {
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final (text, action) = switch (reason) {
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LinkErrorReason.bluetoothOff => (
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'Bluetooth ist aus. Bitte in den Systemeinstellungen einschalten.',
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_HintAction('Einstellungen', BluetoothSystemSettings.openBluetoothSettings),
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),
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LinkErrorReason.permissionDenied => (
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'"Geraete in der Naehe"-Berechtigung wird benoetigt. Bitte erneut '
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'auf "Verbinden" tippen.',
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null,
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),
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LinkErrorReason.permissionDeniedPermanently => (
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'"Geraete in der Naehe"-Berechtigung wurde dauerhaft abgelehnt. '
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'Bitte in den App-Einstellungen manuell erteilen.',
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_HintAction('App-Einstellungen', BluetoothSystemSettings.openAppSettings),
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),
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LinkErrorReason.deviceSelectionRequired => (
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'Kein gekoppeltes mLRS-Geraet gefunden. Bitte unten ein Geraet '
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'auswaehlen.',
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null,
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),
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LinkErrorReason.connectionFailed => (
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'Verbindung zum Geraet ist fehlgeschlagen.',
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null,
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),
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LinkErrorReason.unknown => ('Unbekannter Verbindungsfehler.', null),
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};
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return Container(
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padding: const EdgeInsets.all(8),
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decoration: BoxDecoration(
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color: DmcColors.warnRed.withValues(alpha: 0.1),
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borderRadius: BorderRadius.circular(8),
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),
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child: Row(
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children: [
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Expanded(child: Text(text, style: const TextStyle(fontSize: 12))),
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if (action != null)
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TextButton(onPressed: action.onTap, child: Text(action.label)),
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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 _HintAction {
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const _HintAction(this.label, this.onTap);
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final String label;
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final Future<void> Function() onTap;
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}
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