diff --git a/LeonidasExamples/res/layout/activity_particle_system_example.xml b/LeonidasExamples/res/layout/activity_particle_system_example.xml
index ec52aeb..be01848 100644
--- a/LeonidasExamples/res/layout/activity_particle_system_example.xml
+++ b/LeonidasExamples/res/layout/activity_particle_system_example.xml
@@ -8,6 +8,11 @@
     android:paddingTop="@dimen/activity_vertical_margin"
     tools:context=".OneShotSimpleExampleActivity" >
 
+    <FrameLayout
+        android:id="@+id/background_hook"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+
     <Button
         android:id="@+id/button1"
         android:layout_width="wrap_content"