diff --git a/MapboxAndroidDemo/src/main/java/com/mapbox/mapboxandroiddemo/examples/labs/DashedLineDirectionsPickerActivity.java b/MapboxAndroidDemo/src/main/java/com/mapbox/mapboxandroiddemo/examples/labs/DashedLineDirectionsPickerActivity.java
index 6c7288ba9..69062cdd6 100644
--- a/MapboxAndroidDemo/src/main/java/com/mapbox/mapboxandroiddemo/examples/labs/DashedLineDirectionsPickerActivity.java
+++ b/MapboxAndroidDemo/src/main/java/com/mapbox/mapboxandroiddemo/examples/labs/DashedLineDirectionsPickerActivity.java
@@ -47,6 +47,9 @@
 public class DashedLineDirectionsPickerActivity extends AppCompatActivity
   implements OnMapReadyCallback, MapboxMap.OnCameraIdleListener {
 
+  private static final String DIRECTIONS_LAYER_ID = "DIRECTIONS_LAYER_ID";
+  private static final String LAYER_BELOW_ID = "road-label-small";
+  private static final String SOURCE_ID = "SOURCE_ID";
   private MapView mapView;
   private MapboxMap mapboxMap;
   private FeatureCollection dashedLineDirectionsFeatureCollection;
@@ -117,16 +120,15 @@ public void onCameraIdle() {
    * to the place picker location
    */
   private void initDottedLineSourceAndLayer(@NonNull Style loadedMapStyle) {
-    dashedLineDirectionsFeatureCollection = FeatureCollection.fromFeatures(new Feature[] {});
-    loadedMapStyle.addSource(new GeoJsonSource("SOURCE_ID", dashedLineDirectionsFeatureCollection));
+    loadedMapStyle.addSource(new GeoJsonSource(SOURCE_ID));
     loadedMapStyle.addLayerBelow(
       new LineLayer(
-        "DIRECTIONS_LAYER_ID", "SOURCE_ID").withProperties(
+          DIRECTIONS_LAYER_ID, SOURCE_ID).withProperties(
         lineWidth(4.5f),
         lineColor(Color.BLACK),
         lineTranslate(new Float[] {0f, 4f}),
         lineDasharray(new Float[] {1.2f, 1.2f})
-      ), "road-label-small");
+      ), LAYER_BELOW_ID);
   }
 
   /**
@@ -185,7 +187,7 @@ public void onStyleLoaded(@NonNull Style style) {
             directionsRouteFeatureList.add(Feature.fromGeometry(LineString.fromLngLats(coordinates)));
           }
           dashedLineDirectionsFeatureCollection = FeatureCollection.fromFeatures(directionsRouteFeatureList);
-          GeoJsonSource source = style.getSourceAs("SOURCE_ID");
+          GeoJsonSource source = style.getSourceAs(SOURCE_ID);
           if (source != null) {
             source.setGeoJson(dashedLineDirectionsFeatureCollection);
           }
diff --git a/MapboxAndroidDemo/src/main/java/com/mapbox/mapboxandroiddemo/examples/labs/RecyclerViewOnMapActivity.java b/MapboxAndroidDemo/src/main/java/com/mapbox/mapboxandroiddemo/examples/labs/RecyclerViewOnMapActivity.java
index 08ee571da..906954ad8 100644
--- a/MapboxAndroidDemo/src/main/java/com/mapbox/mapboxandroiddemo/examples/labs/RecyclerViewOnMapActivity.java
+++ b/MapboxAndroidDemo/src/main/java/com/mapbox/mapboxandroiddemo/examples/labs/RecyclerViewOnMapActivity.java
@@ -93,7 +93,6 @@ public void onStyleLoaded(@NonNull Style style) {
   }
 
   private void initFeatureCollection() {
-    featureCollection = FeatureCollection.fromFeatures(new Feature[] {});
     List<Feature> featureList = new ArrayList<>();
     if (featureCollection != null) {
       for (LatLng latLng : coordinates) {
diff --git a/MapboxAndroidDemo/src/main/res/values/activity_strings.xml b/MapboxAndroidDemo/src/main/res/values/activity_strings.xml
index cf3f37a23..1d6d906b5 100644
--- a/MapboxAndroidDemo/src/main/res/values/activity_strings.xml
+++ b/MapboxAndroidDemo/src/main/res/values/activity_strings.xml
@@ -491,4 +491,5 @@
     <string name="duration">Duration:</string>
     <string name="color">Color:</string>
     <string name="select">Select</string>
+
 </resources>