android:theme="@style/DarkAppBar"
app:popupTheme="@style/LightPopupOverlay" />
</android.support.design.widget.AppBarLayout>
<!-- `android:choiceMode="multipleChoiceModal"` allows the contextual action menu to select more than one item at a time.
android:theme="@style/DarkAppBar"
app:popupTheme="@style/LightPopupOverlay" />
</android.support.design.widget.AppBarLayout>
<!-- `android:choiceMode="multipleChoiceModal"` allows the contextual action menu to select more than one item at a time.