1 files changed, 64 insertions, 0 deletions
diff --git a/platform/ios/demo/Examples/Swift/SelectFeatureExample.swift b/platform/ios/demo/Examples/Swift/SelectFeatureExample.swift
new file mode 100644
index 0000000000..b0e4f85674
--- /dev/null
+++ b/platform/ios/demo/Examples/Swift/SelectFeatureExample.swift
@@ -0,0 +1,64 @@
+import Mapbox
+
+@objc(SelectFeatureExample_Swift)
+    
+class SelectFeatureExample_Swift: UIViewController, MGLMapViewDelegate {
+    var mapView: MGLMapView!
+    var selectedFeaturesSource: MGLShapeSource?
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        let mapView = MGLMapView(frame: view.bounds)
+        mapView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+
+        mapView.setCenter(
+            CLLocationCoordinate2D(latitude: 45.5076, longitude: -122.6736),
+            zoomLevel: 11,
+            animated: false)
+        view.addSubview(mapView)
+        
+        // Add our own gesture recognizer to handle taps on our custom map features.
+        mapView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(didTapMap(tapGestureRecognizer:))))
+        
+        mapView.delegate = self
+        
+        self.mapView = mapView
+    }
+    
+    func mapView(_ didFinishLoadingmapView: MGLMapView, didFinishLoading style: MGLStyle) {
+        // Create a placeholder MGLShapeSource that will hold copies of any features we’ve selected.
+        let selectedFeaturesSource = MGLShapeSource(identifier: "selected-features", features: [], options: nil)
+        style.addSource(selectedFeaturesSource)
+        
+        // Keep a reference to the source so we can update it when the map is tapped.
+        self.selectedFeaturesSource = selectedFeaturesSource
+        
+        // Color any selected features red on the map.
+        let selectedFeaturesLayer = MGLFillStyleLayer(identifier: "selected-features", source: selectedFeaturesSource)
+        selectedFeaturesLayer.fillColor = MGLStyleValue(rawValue: UIColor.red)
+        
+        style.addLayer(selectedFeaturesLayer)
+    }
+    
+    func didTapMap(tapGestureRecognizer: UITapGestureRecognizer) {
+        if tapGestureRecognizer.state == .ended {
+            // A tap’s center coordinate may not intersect a feature exactly, so let’s make a 44x44 rect that represents a touch and select all features that intersect.
+            let point = tapGestureRecognizer.location(in: tapGestureRecognizer.view!)
+            let touchRect = CGRect(origin: point, size: .zero).insetBy(dx: -22.0, dy: -22.0)
+            
+            // Let’s only select parks near the rect. There’s a layer within the Mapbox Streets style with "id" = "park". You can see all of the layers used within the default mapbox styles by creating a new style using Mapbox Studio.
+            let layerIdentifiers = Set(["park"])
+            
+            // Query the map view for any visible features that intersect our rect.
+            let features = mapView.visibleFeatures(in: touchRect, styleLayerIdentifiers: layerIdentifiers).map { $0 as! MGLShape }
+
+            let shapes = MGLShapeCollectionFeature(shapes: features)
+
+            // Update our MGLShapeSource to match our selected features.
+            selectedFeaturesSource?.shape = shapes
+        }
+    }
+    
+    
+}