ignore non-hedgies here. could be useful, but Hammer needs to be taught to consider it. (hammer + explosives on a bridge could be neat)
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_focused="true" android:state_enabled="true" android:drawable="@drawable/dropdown_focused" />
<item android:state_focused="true" android:state_enabled="false" android:drawable="@drawable/dropdown_focused_disabled" />
<item android:state_focused="false" android:state_enabled="true" android:drawable="@drawable/dropdown_normal" />
<item android:state_focused="false" android:state_enabled="false" android:drawable="@drawable/dropdown_disabled" />
</selector>