LottieSample/src/main/res/menu/bottom_bar.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <item
        android:id="@+id/showcase"
        android:icon="@drawable/ic_showcase"
        android:title="@string/bottom_bar_showcase"
        app:showAsAction="always|withText"/>

    <item
        android:id="@+id/preview"
        android:icon="@drawable/ic_device"
        android:title="@string/bottom_bar_preview"
        app:showAsAction="always|withText"/>

    <item
        android:id="@+id/lottiefiles"
        android:icon="@drawable/ic_lottiefiles"
        android:title="@string/bottom_bar_lottiefiles"
        app:showAsAction="always|withText"/>

    <item
        android:id="@+id/learn"
        android:icon="@drawable/ic_learn"
        android:title="@string/bottom_bar_learn"
        app:showAsAction="always|withText"/>
</menu>