1 files changed, 69 insertions, 0 deletions
diff --git a/platform/ios/demo/Examples/Swift/ShapeCollectionFeatureExample.swift b/platform/ios/demo/Examples/Swift/ShapeCollectionFeatureExample.swift
new file mode 100644
index 0000000000..4ab5ff6ab6
--- /dev/null
+++ b/platform/ios/demo/Examples/Swift/ShapeCollectionFeatureExample.swift
@@ -0,0 +1,69 @@
+import Mapbox;
+
+@objc(ShapeCollectionFeatureExample_Swift)
+
+class ShapeCollectionFeatureExample_Swift: UIViewController, MGLMapViewDelegate {
+    
+    var mapView: MGLMapView!
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        mapView = MGLMapView(frame: view.bounds)
+        mapView.styleURL = MGLStyle.lightStyleURL(withVersion: 9)
+        mapView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+        mapView.tintColor = .darkGray
+        
+        mapView.setCenter(CLLocationCoordinate2D(latitude:38.897435, longitude: -77.039679), zoomLevel: 12, animated: false)
+        
+        mapView.delegate = self
+        view.addSubview(mapView)
+    }
+    
+    func mapView(_ mapView: MGLMapView, didFinishLoading style: MGLStyle) {
+        
+        // Parse the GeoJSON data.
+        DispatchQueue.global().async {
+            guard let url = Bundle.main.url(forResource: "metro-line", withExtension: "geojson") else { return }
+
+            let data = try! Data(contentsOf: url)
+            
+            DispatchQueue.main.async {
+                self.drawShapeCollection(data: data)
+            }
+        }
+    }
+    
+    func drawShapeCollection(data: Data) {
+        guard let style = self.mapView.style else { return }
+        
+        // Use [MGLShape shapeWithData:encoding:error:] to create a MGLShapeCollectionFeature from GeoJSON data.
+        let feature = try! MGLShape(data: data, encoding: String.Encoding.utf8.rawValue) as! MGLShapeCollectionFeature
+        
+        // Create source and add it to the map style.
+        let source = MGLShapeSource(identifier: "transit", shape: feature, options: nil)
+        style.addSource(source)
+        
+        // Create station style layer.
+        let circleLayer = MGLCircleStyleLayer(identifier: "stations", source: source)
+        
+        // Use a predicate to filter out non-points.
+        circleLayer.predicate = NSPredicate(format: "TYPE = 'Station'")
+        circleLayer.circleColor = MGLStyleValue(rawValue: .red)
+        circleLayer.circleRadius = MGLStyleValue(rawValue: 6)
+        circleLayer.circleStrokeWidth = MGLStyleValue(rawValue: 2)
+        circleLayer.circleStrokeColor = MGLStyleValue(rawValue: .black)
+        
+        // Create line style layer.
+        let lineLayer = MGLLineStyleLayer(identifier: "rail-line", source: source)
+        
+        // Use a predicate to filter out the stations.
+        lineLayer.predicate = NSPredicate(format: "TYPE = 'Rail line'")
+        lineLayer.lineColor = MGLStyleValue(rawValue: .red)
+        lineLayer.lineWidth = MGLStyleValue(rawValue: 2)
+        
+        // Add style layers to the map view's style.
+        style.addLayer(circleLayer)
+        style.insertLayer(lineLayer, below: circleLayer)
+    }
+}