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feat: Add compass and region support

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Janez T
2026-03-22 19:04:43 +01:00
parent 7ea6334f02
commit 2b42e7dd15
31 changed files with 1530 additions and 137 deletions
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38
lib/widgets/map/detailed_compass_dialog.dart
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@@ -1,9 +1,11 @@
import 'dart:async';
import 'dart:math';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart' show MissingPluginException;
import 'package:geolocator/geolocator.dart';
import 'package:flutter_compass/flutter_compass.dart';
import 'package:latlong2/latlong.dart';
import '../../services/compass_support.dart';
import '../../models/contact.dart';
import '../../models/sar_marker.dart';
import '../common/location_display.dart';
@@ -90,17 +92,33 @@ class _DetailedCompassDialogState extends State<DetailedCompassDialog> {
});
}
// Subscribe to compass updates
final compassStream = FlutterCompass.events;
// Subscribe to compass updates on supported targets only.
final compassStream = CompassSupport.isAvailable
? FlutterCompass.events
: null;
if (compassStream != null) {
_compassSubscription = compassStream.listen((event) {
if (mounted && event.heading != null) {
setState(() {
_currentHeading = event.heading;
_compassAccuracy = event.accuracy;
});
}
});
_compassSubscription = compassStream.listen(
(event) {
if (mounted && event.heading != null) {
setState(() {
_currentHeading = event.heading;
_compassAccuracy = event.accuracy;
});
}
},
onError: (Object error, StackTrace stackTrace) {
if (!mounted) {
return;
}
if (error is MissingPluginException) {
debugPrint('Compass plugin is unavailable on this platform');
return;
}
debugPrint('Compass dialog stream error: $error');
},
);
}
// Subscribe to position updates