session-android/res/layout/experience_upgrade_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
             xmlns:fab="http://schemas.android.com/apk/res-auto"
             android:id="@+id/container"
             android:orientation="vertical"
             android:layout_width="match_parent"
             android:layout_height="match_parent">

    <android.support.v4.view.ViewPager
        android:id="@+id/pager"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

    <Button android:id="@+id/continue_button"
            android:layout_width="140sp"
            android:layout_height="wrap_content"
            android:text="@string/experience_upgrade_activity__continue"
            android:visibility="invisible"
            android:layout_alignParentBottom="true"
            android:layout_centerHorizontal="true" />

    <com.melnykov.fab.FloatingActionButton
        android:id="@+id/fab"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom|right"
        android:layout_margin="25dp"
        android:src="@drawable/ic_arrow_forward_white_24dp"
        android:focusable="true"
        android:contentDescription="@string/conversation_list_fragment__fab_content_description"
        fab:fab_shadow="false"
        fab:fab_colorNormal="#33000000"
        fab:fab_colorPressed="#66000000"
        fab:fab_colorRipple="#66000000" />
</FrameLayout>