android cardview

public class CardView extends FrameLayout implements CardViewDelegate

* @attr ref android.support.v7.cardview.R.styleable#CardView_cardBackgroundColor
* @attr ref android.support.v7.cardview.R.styleable#CardView_cardCornerRadius
* @attr ref android.support.v7.cardview.R.styleable#CardView_cardElevation
* @attr ref android.support.v7.cardview.R.styleable#CardView_cardMaxElevation
* @attr ref android.support.v7.cardview.R.styleable#CardView_cardUseCompatPadding
* @attr ref android.support.v7.cardview.R.styleable#CardView_cardPreventCornerOverlap
* @attr ref android.support.v7.cardview.R.styleable#CardView_contentPadding
* @attr ref android.support.v7.cardview.R.styleable#CardView_contentPaddingLeft
* @attr ref android.support.v7.cardview.R.styleable#CardView_contentPaddingTop
* @attr ref android.support.v7.cardview.R.styleable#CardView_contentPaddingRight
* @attr ref android.support.v7.cardview.R.styleable#CardView_contentPaddingBottom

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.andyidea.guidedemo.RecycleViewActivity">

<android.support.v7.widget.CardView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:contextClickable="false"
android:elevation="5dp"
android:focusable="true"
app:contentPadding="10dp"
app:cardCornerRadius="8dp">

<android.support.v7.widget.RecyclerView
android:id="@+id/rv"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:elevation="10dp"></android.support.v7.widget.RecyclerView>
</android.support.v7.widget.CardView>

</RelativeLayout>