[2/2] OmniGears: navigation bar visibility control

Change-Id: Ie3707a7e215db42700edf15ef3b239cbeca6b6a8
diff --git a/res/xml/button_settings.xml b/res/xml/button_settings.xml
index ff77879..18fb473 100644
--- a/res/xml/button_settings.xml
+++ b/res/xml/button_settings.xml
@@ -19,6 +19,18 @@
         android:title="@string/button_settings_title" >
 
     <PreferenceCategory
+        android:key="button_keys"
+        android:title="@string/button_keys_title" >
+
+        <org.omnirom.omnilib.preference.SystemSettingSwitchPreference
+            android:key="navigation_bar_show"
+            android:title="@string/navigation_bar_show_title"
+            android:summary="@string/navigation_bar_show_summary"
+            android:defaultValue="false" />
+
+    </PreferenceCategory>
+
+    <PreferenceCategory
         android:key="button_power"
         android:title="@string/global_actions_power_title" >