Add method to update the route line position. (#4030)

Author: ShanMa1991

CHANGELOG.md

@@ -20,6 +20,7 @@
 * Fixed an issue where the maneuver arrow is not removed after arriving to the final destination. ([#4040](https://github.com/mapbox/mapbox-navigation-ios/pull/4040))
 * Fixed an issue where the destination building is not highlighted after rerouting. ([#4034](https://github.com/mapbox/mapbox-navigation-ios/pull/4034))
 * Fixed an issue where the incorrect destination building is highlighted after panning the correct building off screen. ([#4034](https://github.com/mapbox/mapbox-navigation-ios/pull/4034))
+* Fixed an issue where the maneuver arrow on the route line overlapped labels for points of interest. ([#4030](https://github.com/mapbox/mapbox-navigation-ios/pull/4030))
 
 ### CarPlay
 

Sources/MapboxNavigation/MapView.swift

@@ -174,34 +174,6 @@ extension MapView {
 
         return datasets
     }
-
-    var mainRouteLineParentLayerIdentifier: String? {
-        var parentLayer: String? = nil
-        let identifiers = [
-            NavigationMapView.LayerIdentifier.arrowLayer,
-            NavigationMapView.LayerIdentifier.arrowSymbolLayer,
-            NavigationMapView.LayerIdentifier.arrowSymbolCasingLayer,
-            NavigationMapView.LayerIdentifier.arrowStrokeLayer,
-            NavigationMapView.LayerIdentifier.waypointCircleLayer,
-            NavigationMapView.LayerIdentifier.buildingExtrusionLayer
-        ]
-        
-        for layer in mapboxMap.style.allLayerIdentifiers.reversed() {
-            if !(layer.type.rawValue == "symbol") && !identifiers.contains(layer.id) {
-                let sourceLayer = mapboxMap.style.layerProperty(for: layer.id, property: "source-layer").value as? String
-                
-                if let sourceLayer = sourceLayer,
-                   sourceLayer.isEmpty {
-                    continue
-                }
-                
-                parentLayer = layer.id
-                break
-            }
-        }
-        
-        return parentLayer
-    }
 
     /**
      Method, which returns list of source identifiers, which contain streets tile set.

Sources/MapboxNavigation/NavigationMapView+BuildingHighlighting.swift

@@ -28,7 +28,8 @@ extension NavigationMapView {
         let identifiers = mapView.mapboxMap.style.allLayerIdentifiers
             .compactMap({ $0.id })
             .filter({ $0.contains("building") })
-        let layerPosition = identifiers.last.map { LayerPosition.above($0) }
+        let layerIdentifier = LayerIdentifier.buildingExtrusionLayer
+        let layerPosition = layerPosition(for: layerIdentifier) ?? identifiers.last.map { LayerPosition.above($0) }
 
         for coordinate in coordinates {
             let screenCoordinate = mapView.mapboxMap.point(for: coordinate)