1 files changed, 3 insertions, 1 deletions
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/PolygonContainer.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/PolygonContainer.java
index 016862bddc..2cdcc052fb 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/PolygonContainer.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/PolygonContainer.java
@@ -36,6 +36,7 @@ class PolygonContainer implements Polygons {
     return polygon;
   }
 
+  @NonNull
   @Override
   public List<Polygon> addBy(@NonNull List<PolygonOptions> polygonOptionsList, @NonNull MapboxMap mapboxMap) {
     int count = polygonOptionsList.size();
@@ -62,11 +63,12 @@ class PolygonContainer implements Polygons {
   }
 
   @Override
-  public void update(Polygon polygon) {
+  public void update(@NonNull Polygon polygon) {
     nativeMapView.updatePolygon(polygon);
     annotations.setValueAt(annotations.indexOfKey(polygon.getId()), polygon);
   }
 
+  @NonNull
   @Override
   public List<Polygon> obtainAll() {
     List<Polygon> polygons = new ArrayList<>();