Sort the missing states into the correct order.
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item ... android:drawable="@drawable/something_pressed" />
<item ... android:drawable="@drawable/something_focused" />
<item ... android:drawable="@drawable/something_disabled" />
<item ... android:drawable="@drawable/something_normal" />
</selector>