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Add QR scanner

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This commit is contained in:
Anton Tananaev 2025-06-23 21:32:17 -07:00
parent ee500f541f
commit 3437b670ea
7 changed files with 128 additions and 25 deletions
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lib/qr_code_screen.dart Normal file
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import 'package:flutter/material.dart';
import 'package:mobile_scanner/mobile_scanner.dart';
import 'package:flutter_background_geolocation/flutter_background_geolocation.dart' as bg;
import 'preferences.dart';
import 'l10n/app_localizations.dart';
class QrCodeScreen extends StatefulWidget {
const QrCodeScreen({super.key});
@override
State<QrCodeScreen> createState() => _QrCodeScreenState();
}
class _QrCodeScreenState extends State<QrCodeScreen> {
bool _scanned = false;
Future<void> _applySettings(Uri uri) async {
await Preferences.instance.setString(Preferences.url, '${uri.origin}${uri.path}');
final parameters = uri.queryParameters;
await _applyStringParameter(parameters, Preferences.id);
await _applyStringParameter(parameters, Preferences.accuracy);
await _applyIntParameter(parameters, Preferences.distance);
await _applyIntParameter(parameters, Preferences.interval);
await _applyIntParameter(parameters, Preferences.angle);
await _applyIntParameter(parameters, Preferences.heartbeat);
await _applyIntParameter(parameters, Preferences.fastestInterval);
await _applyBoolParameter(parameters, Preferences.buffer);
await _applyBoolParameter(parameters, Preferences.wakelock);
await _applyBoolParameter(parameters, Preferences.stopDetection);
await bg.BackgroundGeolocation.setConfig(Preferences.geolocationConfig());
}
Future<void> _applyStringParameter(Map<String, String> parameters, String key) async {
final value = parameters[key];
if (value != null) {
await Preferences.instance.setString(key, value);
}
}
Future<void> _applyIntParameter(Map<String, String> parameters, String key) async {
final stringValue = parameters[key];
if (stringValue != null) {
final value = int.tryParse(stringValue);
if (value != null) {
await Preferences.instance.setInt(key, value);
}
}
}
Future<void> _applyBoolParameter(Map<String, String> parameters, String key) async {
final value = parameters[key];
if (value != null) {
switch (value) {
case 'false':
await Preferences.instance.setBool(key, false);
break;
case 'true':
await Preferences.instance.setBool(key, true);
break;
}
}
}
void _onDetect(BarcodeCapture capture) async {
if (_scanned) return;
final barcode = capture.barcodes.first;
final rawValue = barcode.rawValue;
if (rawValue == null) return;
final uri = Uri.tryParse(rawValue);
if (uri == null || uri.scheme.isEmpty) return;
_scanned = true;
await _applySettings(uri);
if (mounted) Navigator.pop(context);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(AppLocalizations.of(context)!.settingsTitle),
),
body: MobileScanner(
fit: BoxFit.cover,
onDetect: _onDetect,
),
);
}
}