使用MotionScene调整图像大小后的保证金机器人

Question

我正在使用MotionLayout做一个示例，我只想在滚动时调整图像大小。问题是动画结束时底边距比动画开始前大。如何解决该问题，并在开始和结束动画时获得相同的边距。

https://imgur.com/xymTHum“之前”

https://imgur.com/5PM5OZB“之后”

<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="1000"
        motion:motionInterpolator="linear">

    <OnSwipe
            motion:touchAnchorId="@+id/llcontainer"
            motion:touchAnchorSide="bottom"
            motion:dragDirection="dragUp"/>
</Transition>
<ConstraintSet android:id="@+id/start"/>
<ConstraintSet android:id="@+id/end">
    <Constraint
            android:id="@id/card_img"
            android:layout_width="0dp"
            android:layout_height="80dp"
            android:layout_marginBottom="0dp"/>
</ConstraintSet>

<android.support.constraint.motion.MotionLayout
    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"
    app:showPaths="false"
    app:layoutDescription="@xml/card_motion"
    android:orientation="vertical">

    <ImageView
        android:id="@+id/card_img"
        android:layout_width="match_parent"
        android:layout_height="227dp"
        android:src="@drawable/mario"
        android:layout_centerInParent="true"
        android:foregroundGravity="center_vertical"
        android:scaleType="centerInside"
        android:layout_marginTop="24dp"
        android:layout_marginBottom="24dp"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintBottom_toTopOf="@+id/llcontainer" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="400dp"
        android:background="@color/colorPrimaryDark"
        android:orientation="vertical"
        android:id="@+id/llcontainer"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/card_img"/>

</android.support.constraint.motion.MotionLayout>