ripple

drawable/clickable_bg_white_grey.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="@color/clickable_item_ripple_color" android:state_pressed="true"/>
    <item android:drawable="@color/clickable_item_bg_color"/>
</selector>

drawable-v21/clickable_bg_white_grey.xml

<?xml version="1.0" encoding="utf-8"?>
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
    android:color="@color/clickable_item_ripple_color">
    <item
        android:drawable="@color/clickable_item_bg_color"/>
</ripple>