selectableItemBackground
is close, but you need to use the actionBarItemBackground
attribute instead.
For instance:
<style name="Your.Theme" parent="@android:style/Theme.Holo.Light.DarkActionBar">
<item name="android:actionBarItemBackground">@null</item>
</style>
You should keep in mind that the system uses this attribute in the ActivityChooserView
too, which is what the ShareActionProvider
returns in ActionProvider.onCreateActionView
.
To highlight all this, here are the results when you use @android:color/holo_red_light
instead: