[Backport release/v0.16] Expose line cutout width (#6765)

Backport f5b179023b9c3baed0765b9ce38688aa396fa28e from #6717.

cc @mapbox/sdk-ci
cc @mapbox/maps-ios
cc @mapbox/maps-android

Co-authored-by: Roman Laitarenko <[email protected]>
GitOrigin-RevId: 8bdaf73c93ed8c27593429d88010f8462f864ec2

Author: 2 people

CHANGELOG.md

@@ -6,6 +6,8 @@ Mapbox welcomes participation and contributions from everyone.
 
 * Added support for `LandmarkIcons` featureset in Mapbox Standard Style. The `LandmarkIcons` featureset allows querying and configuring landmark building icons that appear on the map. Access landmark properties including landmarkId, name, type, and localized names through the `StandardLandmarkIconsFeature` class.
 * Enhanced `MapStyle.standard()` and `MapStyle.standardSatellite()` with new configuration parameters for color customization, landmark icons visibility, point-of-interest styling, road appearance, and administrative boundaries.
+* Expose `LineLayer.lineCutoutFadeWidth` to control route line cutout fade width.
+
 ## 11.15.0 - 11 September, 2025
 
 ## 11.15.0-rc.1 - 28 August, 2025

Sources/Examples/All Examples/Annotations/DynamicViewAnnotationExample.swift

@@ -67,11 +67,11 @@ final class DynamicViewAnnotationExample: UIViewController, ExampleProtocol {
             self.finish()
         }.store(in: &cancelables)
 
-        self.toolbarItems = [
-            UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: nil, action: nil),
-            UIBarButtonItem(customView: modeButton),
-            UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: nil, action: nil)
-        ]
+        self.view.addSubview(modeButton)
+        NSLayoutConstraint.activate([
+            self.view.centerXAnchor.constraint(equalTo: modeButton.centerXAnchor),
+            self.view.safeAreaLayoutGuide.bottomAnchor.constraint(equalToSystemSpacingBelow: modeButton.bottomAnchor, multiplier: 1)
+        ])
 
         addParkingAnnotation(
             coordinate: CLLocationCoordinate2D(latitude: 37.445, longitude: -122.1704),
@@ -298,7 +298,8 @@ private final class Route {
         routeLayer.slot = .middle
         // make route lines visible through obstructing 3D buildings and other aboveground features
         routeLayer.lineCutoutWidth = .constant(30)
-        routeLayer.lineCutoutOpacity = .constant(0.2)
+        routeLayer.lineCutoutFadeWidth = .constant(0.5)
+        routeLayer.lineCutoutOpacity = .constant(0)
         try! mapView.mapboxMap.addLayer(routeLayer)
 
         // Annotation