Ripple effect to drawable in android

ripple_effect_bg.xml

<!-- drawable-v21 -->
<?xml version="1.0" encoding="utf-8"?>
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
        android:color="?android:attr/colorControlHighlight">
    <item
        android:id="@android:id/mask">
        <shape android:shape="rectangle">
            <solid android:color="#000000"/>
            <corners android:radius="5dp"/>
        </shape>
    </item>

    <item>
        <shape>
            <corners android:radius="5dp"/>
            <solid android:color="#ffaaaa"/>
        </shape>
    </item>
</ripple>