FoodCooking_LandScape/BusinessCommon/src/main/res/drawable/bg_cook_item_selected.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_selected="true">
        <shape>
            <solid android:color="@color/cook_item_selected_solid"/>
            <corners android:radius="@dimen/convert_15px"/>
        </shape>
    </item>
    <item android:state_selected="false">
        <shape>
            <solid android:color="@color/cook_item_unselected_solid"/>
            <corners android:radius="@dimen/convert_15px"/>
        </shape>
    </item>
</selector>