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Prevent duplicate GPS stream subscriptions on restart #6

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Prevent duplicate GPS stream subscriptions on restart #6

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8 changes: 8 additions & 0 deletions lib/services/gps_service.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -161,6 +161,14 @@ class GpsService {
Future<void> startWatching() async {
debugLog('[GPS] startWatching() called, current status: $_status');

// Ensure only one active position stream subscription exists.
// startWatching() can be called multiple times (e.g. after permission flow).
if (_positionSubscription != null) {
debugLog('[GPS] Existing position subscription found, restarting watcher');
await _positionSubscription?.cancel();
_positionSubscription = null;
}

// Check if location services are enabled first (system-level setting)
final serviceEnabled = await isLocationServiceEnabled();
debugLog('[GPS] Location services check: enabled=$serviceEnabled');
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