expandable_bottom_sheet.xml

<?xml version="1.0" encoding="utf-8"?>
<MotionScene xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:motion="http://schemas.android.com/apk/res-auto">

    <Transition
        motion:constraintSetEnd="@+id/end"
        motion:constraintSetStart="@+id/start"
        motion:duration="500"
        motion:motionInterpolator="linear">
        <OnClick
            motion:clickAction="transitionToEnd"
            motion:targetId="@id/card" />
    </Transition>

    <ConstraintSet android:id="@+id/start">

        <Constraint
            android:id="@+id/card"
            android:layout_width="64dp"
            android:layout_height="64dp"
            android:layout_marginBottom="16dp"
            motion:layout_constraintBottom_toBottomOf="parent"
            motion:layout_constraintEnd_toEndOf="parent"
            motion:layout_constraintStart_toStartOf="parent">
            <CustomAttribute
                motion:attributeName="radius"
                motion:customDimension="200dp" />
            <CustomAttribute
                motion:attributeName="cardBackgroundColor"
                motion:customColorValue="#ff99cc00" />
        </Constraint>

    </ConstraintSet>

    <ConstraintSet android:id="@+id/end">

        <Constraint
            android:id="@+id/card"
            android:layout_width="0dp"
            android:layout_height="400dp"
            android:layout_marginStart="16dp"
            android:layout_marginEnd="16dp"
            android:layout_marginBottom="16dp"
            motion:layout_constraintBottom_toBottomOf="parent"
            motion:layout_constraintEnd_toEndOf="parent"
            motion:layout_constraintStart_toStartOf="parent">
            <CustomAttribute
                motion:attributeName="radius"
                motion:customDimension="8dp" />
            <CustomAttribute
                motion:attributeName="cardBackgroundColor"
                motion:customColorValue="#ffffff" />
        </Constraint>

    </ConstraintSet>

</MotionScene>