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Room
  .databaseBuilder(this, Database.class, "database")
  .addMigrations(Migrations.MIGRATION_1_2)
  .build();

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V/MotionLayout: CHECK: start is hided
V/MotionLayout: CHECK: end is shown
W/MotionLayout: CHECK: hided NO View matches id itemBackground
W/MotionLayout: CHECK: hided(itemBackground) no LAYOUT_HEIGHT
W/MotionLayout: CHECK: hided NO View matches id dragLabel
W/MotionLayout: CHECK: hided NO View matches id itemForeground
W/MotionLayout: CHECK: hided(itemForeground) no LAYOUT_HEIGHT
W/MotionLayout: CHECK: hided NO View matches id deleteAction
V/MotionLayout: CHECK: CURRENT
V/MotionLayout: CHECK: transition = hided -> shown

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<!-- This is applied for default -->
<Transition
    app:constraintSetEnd="@id/panelExpanded"
    app:constraintSetStart="@id/panelCollapsed"
    app:duration="500">
  
    <OnSwipe app:dragDirection="dragRight" />
</Transition>
<!-- This must be set explicitly from code or xml -->
<Transition

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<MotionScene>
  <!-- You must implement all the attributes -->
  <ConstraintSet android:id="@+id/viewsInvisible">
    <Constraint android:id="@+id/loading">
        <Layout
            android:layout_width="64dp"
            android:layout_height="64dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"

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class MotionProgressListener(private val progressListener: (Float) -> Unit) :
    MotionLayout.TransitionListener {
    override fun onTransitionTrigger(layout: MotionLayout?, triggerId: Int, positive: Boolean, progress: Float) {}
    override fun onTransitionStarted(layout: MotionLayout?, startId: Int, endId: Int) {}
    override fun onTransitionChange(layout: MotionLayout?, startId: Int, endId: Int, progress: Float) {
        progressListener.invoke(progress)
    }
    override fun onTransitionCompleted(layout: MotionLayout?, currentId: Int) {}
}

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val target = card,
val propertyName = "radius",
val startRadius = 4f
val endRadius = 500f

ObjectAnimator.ofFloat(target, propertyName, startRadius, endRadius).apply {
    startDelay = 2000
    duration = 5000
    start()
}

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bottomSheetSwitch.setOnCheckedChangeListener { _, bottomSheetSmall ->
    if (bottomSheetSmall)
        motionLayout.loadLayoutDescription(R.xml.expandable_bottom_sheet_small)
    else
        motionLayout.loadLayoutDescription(R.xml.expandable_bottom_sheet_big)
}

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

        <Constraint
            android:id="@+id/card"
            android:layout_width="0dp"
            android:layout_height="100dp"
            android:layout_marginStart="0dp"
            android:layout_marginEnd="0dp"

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motionLayout.setTransitionListener(MotionProgressListener { progress: Float ->
    lottie.progress = progress
                                                           
    arrow.isVisible = (progress <= 0.5f)
    editText.isVisible = (progress >= 0.5f)
})

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<com.google.android.material.card.MaterialCardView
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="100dp"
        app:cardCornerRadius="0dp"
        app:cardElevation="10dp">

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent">