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rruu-map avatar rruu-map commented on May 27, 2024 4

The problem lies in the didUpdateHeading method in the MGLMapView.mm code, remove the child thread, as follows:
// dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(void) {
if ( ! self->_showsUserLocation || self.pan.state == UIGestureRecognizerStateBegan || newHeading.headingAccuracy < 0) return;

    self.userLocation.heading = newHeading;

    if (self.showsUserHeadingIndicator || self.userTrackingMode == MGLUserTrackingModeFollowWithHeading)
    {
        [self updateUserLocationAnnotationView];
    }

    if ([self.delegate respondsToSelector:@selector(mapView:didUpdateUserLocation:)])
    {
        [self.delegate mapView:self didUpdateUserLocation:self.userLocation];

        if (!self->_showsUserLocation) return;
    }

    CLLocationDirection headingDirection = (newHeading.trueHeading >= 0 ? newHeading.trueHeading : newHeading.magneticHeading);

    if (headingDirection >= 0 && self.userTrackingMode == MGLUserTrackingModeFollowWithHeading
        && self.userTrackingState != MGLUserTrackingStateBegan)
    {
        [self _setDirection:headingDirection animated:YES];
        [self updateUserLocationAnnotationView];
    }

// });

from maplibre-native.

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