BobStore/app/src/main/res/layout/activity_main.xml

<?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:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <com.ashokvarma.bottomnavigation.BottomNavigationBar
        android:id="@+id/bottom_navigation"
        app:menu="@menu/main_activity_screens"
        android:layout_alignParentBottom="true"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <android.support.v7.widget.RecyclerView
        android:id="@+id/main_view_pager"
        android:layout_alignParentTop="true"
        android:layout_above="@+id/bottom_navigation"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:listitem="@layout/main_tab_whats_new" />

</RelativeLayout>