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fix: Tame rapid GPS updates #41

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Janez T
2026-03-23 20:51:48 +01:00
parent 3e3c9a34d5
commit 28a9235168
5 changed files with 54 additions and 16 deletions
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41
lib/services/location_tracking_service.dart
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@@ -20,6 +20,14 @@ import 'profiles_feature_service.dart';
/// - MeshCore mesh network integration
/// - Real-time position updates via callbacks
class LocationTrackingService {
static const double _defaultFastLocationMovementThresholdMeters = 10.0;
static const double _minFastLocationMovementThresholdMeters = 10.0;
static const int _defaultFastLocationActiveCadenceSeconds = 10;
static const int _minFastLocationActiveCadenceSeconds = 10;
static const int _maxFastLocationActiveCadenceSeconds = 31;
static const Duration _fastLocationMinimumUpdateInterval = Duration(
seconds: 31,
);
// ============================================================================
// Singleton Pattern
// ============================================================================
@@ -75,10 +83,12 @@ class LocationTrackingService {
bool fastLocationUpdatesEnabled = false;
/// Distance threshold for fast GPS updates
double fastLocationMovementThresholdMeters = 10.0;
double fastLocationMovementThresholdMeters =
_defaultFastLocationMovementThresholdMeters;
/// Cadence for active-use fast GPS updates
int fastLocationActiveCadenceSeconds = 10;
int fastLocationActiveCadenceSeconds =
_defaultFastLocationActiveCadenceSeconds;
/// Target channel index for fast GPS updates; null means disabled/unset.
int? fastLocationChannelIdx;
@@ -522,12 +532,18 @@ class LocationTrackingService {
}
Future<void> updateFastLocationMovementThreshold(double meters) async {
fastLocationMovementThresholdMeters = meters.clamp(1.0, 1000.0);
fastLocationMovementThresholdMeters = meters.clamp(
_minFastLocationMovementThresholdMeters,
1000.0,
);
await saveSettings();
}
Future<void> updateFastLocationActiveCadenceSeconds(int seconds) async {
fastLocationActiveCadenceSeconds = seconds.clamp(5, 60);
fastLocationActiveCadenceSeconds = seconds.clamp(
_minFastLocationActiveCadenceSeconds,
_maxFastLocationActiveCadenceSeconds,
);
await saveSettings();
_refreshFastLocationTimer();
}
@@ -583,6 +599,11 @@ class LocationTrackingService {
final now = DateTime.now();
final previous = _lastFastLocationSentPosition;
final previousTime = _lastFastLocationSentAt;
if (previousTime != null &&
now.difference(previousTime) < _fastLocationMinimumUpdateInterval) {
return;
}
if (previous != null && previousTime != null) {
final distance = Geolocator.distanceBetween(
previous.latitude,
@@ -673,12 +694,14 @@ class LocationTrackingService {
prefs.getBool(_scopedKey(_prefKeyFastLocationEnabled)) ?? false;
fastLocationMovementThresholdMeters =
(prefs.getDouble(_scopedKey(_prefKeyFastMovementThreshold)) ??
gpsUpdateDistance)
.clamp(1.0, 1000.0);
_defaultFastLocationMovementThresholdMeters)
.clamp(_minFastLocationMovementThresholdMeters, 1000.0);
fastLocationActiveCadenceSeconds =
(prefs.getInt(_scopedKey(_prefKeyFastActiveCadence)) ?? 10).clamp(
5,
60,
(prefs.getInt(_scopedKey(_prefKeyFastActiveCadence)) ??
_defaultFastLocationActiveCadenceSeconds)
.clamp(
_minFastLocationActiveCadenceSeconds,
_maxFastLocationActiveCadenceSeconds,
);
fastLocationChannelIdx = prefs.getInt(_scopedKey(_prefKeyFastChannelIdx));