1 files changed, 68 insertions, 0 deletions
diff --git a/platform/ios/demo/Examples/ObjectiveC/ShapeCollectionFeatureExample.m b/platform/ios/demo/Examples/ObjectiveC/ShapeCollectionFeatureExample.m
new file mode 100644
index 0000000000..3ca7467f9c
--- /dev/null
+++ b/platform/ios/demo/Examples/ObjectiveC/ShapeCollectionFeatureExample.m
@@ -0,0 +1,68 @@
+#import "ShapeCollectionFeatureExample.h"
+@import Mapbox;
+
+NSString *const MBXExampleShapeCollectionFeature = @"ShapeCollectionFeatureExample";
+
+@interface ShapeCollectionFeatureExample () <MGLMapViewDelegate>
+@property (nonatomic) MGLMapView *mapView;
+@end
+
+@implementation ShapeCollectionFeatureExample
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    
+    self.mapView = [[MGLMapView alloc] initWithFrame:self.view.bounds styleURL:[MGLStyle lightStyleURLWithVersion:9]];
+    self.mapView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+    self.mapView.tintColor = [UIColor darkGrayColor];
+    
+    [self.mapView setCenterCoordinate:CLLocationCoordinate2DMake(38.897435, -77.039679) zoomLevel:12 animated:NO];
+    self.mapView.delegate = self;
+    
+    [self.view addSubview:self.mapView];
+}
+
+- (void)mapView:(MGLMapView *)mapView didFinishLoadingStyle:(MGLStyle *)style {
+    
+    // Parse the GeoJSON data.
+    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
+        NSString *path = [[NSBundle mainBundle] pathForResource:@"metro-line" ofType:@"geojson"];
+        
+        NSData *data = [NSData dataWithContentsOfFile:path];
+        
+        dispatch_async(dispatch_get_main_queue(), ^{
+            [self drawShapeCollection:data];
+        });
+    });
+}
+
+- (void)drawShapeCollection:(NSData *)data {
+    
+    // Use [MGLShape shapeWithData:encoding:error:] to create a MGLShapeCollectionFeature from GeoJSON data.
+    MGLShape *feature = [MGLShape shapeWithData:data encoding:NSUTF8StringEncoding error:NULL];
+    
+    // Create source and add it to the map style.
+    MGLShapeSource *source = [[MGLShapeSource alloc] initWithIdentifier:@"transit" shape:feature options:nil];
+    [self.mapView.style addSource:source];
+    
+    // Create station style layer.
+    MGLCircleStyleLayer *circleLayer = [[MGLCircleStyleLayer alloc] initWithIdentifier:@"stations" source:source];
+    circleLayer.predicate = [NSPredicate predicateWithFormat:@"TYPE = 'Station'"];
+    circleLayer.circleColor = [MGLStyleValue valueWithRawValue:[UIColor redColor]];
+    circleLayer.circleRadius = [MGLStyleValue valueWithRawValue:@6];
+    circleLayer.circleStrokeWidth = [MGLStyleValue valueWithRawValue:@2];
+    circleLayer.circleStrokeColor = [MGLStyleValue valueWithRawValue:[UIColor blackColor]];
+    
+    // Create line style layer.
+    MGLLineStyleLayer *lineLayer = [[MGLLineStyleLayer alloc] initWithIdentifier:@"rail-line" source: source];
+    lineLayer.predicate = [NSPredicate predicateWithFormat:@"TYPE = 'Rail line'"];
+    lineLayer.lineColor = [MGLStyleValue valueWithRawValue:[UIColor redColor]];
+    lineLayer.lineWidth = [MGLStyleValue valueWithRawValue:@2];
+    
+    // Add style layers to the map view's style.
+    [self.mapView.style addLayer:circleLayer];
+    [self.mapView.style insertLayer:lineLayer belowLayer:circleLayer];
+}
+
+@end
+