activity_main.xml bottom_navigation_view

<?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:orientation="vertical"
    tools:context=".MainActivity">

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_above="@+id/bottomNavigationBar"
        android:id="@+id/frameLayout"/>


    <android.support.design.widget.BottomNavigationView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:itemIconTint="@color/colorAccent"
        app:itemTextColor="@color/colorAccent"
        android:layout_alignParentBottom="true"
        app:labelVisibilityMode="labeled"
        app:menu="@menu/bottom_navigation_menu"
        android:id="@+id/bottomNavigationBar"/>

</RelativeLayout>