水平链中的两个视图，当一个视图为View.GONE时，另一个视图应在父视图中居中

<androidx.constraintlayout.widget.ConstraintLayout
    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">

    <View
        android:id="@+id/view1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toStartOf="@id/view2"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintHorizontal_chainStyle="packed"
        android:background="@android:color/holo_blue_light"/>

    <View
        android:id="@+id/view2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintStart_toEndOf="@id/view1"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        android:background="@android:color/holo_green_light"/>

</androidx.constraintlayout.widget.ConstraintLayout>

View view1 = findViewById(R.id.view1);
View view2 = findViewById(R.id.view2);

// 当view1不可见时，将view2设置为居中对齐
if (view1.getVisibility() == View.GONE) {
    ConstraintSet constraintSet = new ConstraintSet();
    constraintSet.clone((ConstraintLayout) view1.getParent());
    constraintSet.centerHorizontally(R.id.view2, ConstraintSet.PARENT_ID);
    constraintSet.applyTo((ConstraintLayout) view1.getParent());
}