diff --git a/demo/res/layout/activity_main.xml b/demo/res/layout/activity_main.xml
index f0e35d6..baa7b1f 100644
--- a/demo/res/layout/activity_main.xml
+++ b/demo/res/layout/activity_main.xml
@@ -31,6 +31,13 @@
                 android:layout_height="wrap_content"
                 android:layout_weight="1"
                 android:text="Debug mode" />
+
+            <CheckBox
+                android:id="@+id/protectedMode"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:text="Protected vm" />
         </LinearLayout>
 
         <TextView