activity_home.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"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <android.support.design.widget.BottomNavigationView
        android:id = "@+id/bottom_navigation"
        android:layout_width = "match_parent"
        android:layout_height = "wrap_content"
        android:layout_alignParentBottom = "true"
        app:itemBackground = "@color/colorPrimary"
        app:itemIconTint="#fff"
        app:itemTextColor="#fff"
        app:menu = "@menu/bottom_navigation"/>
</RelativeLayout>