Shadow effect Elevation

<LinearLayout    android:layout_width="match_parent"    android:layout_height="200dp"    android:layout_gravity="center"    android:gravity="center"    android:layout_margin="20dp"    android:elevation="10dp"    android:clickable="true"    android:background="@drawable/ripple_effect2"    >
</LinearLayout>

<TextView    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:text="Elevation Example"    android:layout_gravity="center"    android:gravity="center"    android:elevation="5dp"    android:padding="20dp"    android:layout_marginTop="20dp"    android:layout_marginBottom="20dp"    android:background="@drawable/ripple_effect"    android:clickable="true"    ></TextView>

<?xml version="1.0" encoding="utf-8"?><ripple xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:color="#dddddd"    tools:targetApi="lollipop">

    <item android:id="@android:id/background">
        <shape xmlns:android="http://schemas.android.com/apk/res/android"            android:shape="rectangle">
            <solid android:color="#FFFFFF" />
            <stroke                android:width="3dp"                android:color="#FFFFFF" />
            <corners android:bottomLeftRadius="15dp"                android:topLeftRadius="15dp"                android:bottomRightRadius="15dp"                android:topRightRadius="15dp" />
            <padding                android:bottom="0dp"                android:left="0dp"                android:right="0dp"                android:top="0dp" />
        </shape>
    </item>
</ripple>