<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- State: Disconnected -->
    <item android:color="@android:color/holo_red_light" android:state_enabled="false" />

    <!-- State: Connected -->
    <item android:color="@android:color/holo_green_light" android:state_enabled="true" />

    <!-- Default State -->
    <item android:color="@android:color/darker_gray" />
</selector>