Fix
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 9d594e7..0034955 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -27,4 +27,6 @@
     <string name="not_ready_summary">Resolving...</string>
     <string name="resolve_failed_summary">Resolving app failed</string>
     <string name="choose_app">Choose app</string>
+    <string name="led_color_green">Green</string>
+    <string name="led_color_red">Red</string>
 </resources>