LottieSample/src/main/res/layout/activity_dynamic.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:airbnb="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
    <com.airbnb.lottie.LottieAnimationView
        android:id="@+id/animationView"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        airbnb:lottie_fileName="AndroidWave.json"
        airbnb:lottie_autoPlay="true"
        airbnb:lottie_loop="true"/>
    <Button
        android:id="@+id/speedButton"
        android:layout_width="match_parent"
        android:layout_height="64dp"
        android:layout_marginBottom="8dp"/>

    <Button
        android:id="@+id/colorButton"
        android:layout_width="match_parent"
        android:layout_height="64dp"
        android:layout_marginBottom="8dp"
        android:text="Change Shirt Color"/>

    <Button
        android:id="@+id/jumpHeight"
        android:layout_width="match_parent"
        android:layout_height="64dp"
        android:layout_marginBottom="8dp"/>

</LinearLayout>