如何在特定的框架位置使用motionlayout旋转文本视图

<androidx.constraintlayout.motion.widget.MotionLayout
    android:id="@+id/motionLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Hello, MotionLayout!"
        android:textSize="24sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.motion.widget.MotionLayout>

<?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="1000">

        <KeyFrameSet>

            <KeyAttribute
                motion:framePosition="0"
                motion:target="@id/textView"
                motion:rotationZ="0" />

            <KeyAttribute
                motion:framePosition="100"
                motion:target="@id/textView"
                motion:rotationZ="360" />

        </KeyFrameSet>

    </Transition>

    <ConstraintSet android:id="@+id/start">
        <!-- Define the initial state of the text view -->
    </ConstraintSet>

    <ConstraintSet android:id="@+id/end">
        <!-- Define the final state of the text view -->
    </ConstraintSet>

</MotionScene>

MotionLayout motionLayout = findViewById(R.id.motionLayout);
motionLayout.setTransitionListener(new MotionLayout.TransitionListener() {
    @Override
    public void onTransitionStarted(MotionLayout motionLayout, int i, int i1) {
        // Transition started
    }

    @Override
    public void onTransitionChange(MotionLayout motionLayout, int i, int i1, float v) {
        // Transition in progress
    }

    @Override
    public void onTransitionCompleted(MotionLayout motionLayout, int i) {
        // Transition completed
    }

    @Override
    public void onTransitionTrigger(MotionLayout motionLayout, int i, boolean b, float v) {
        // Transition trigger
    }
});
motionLayout.loadLayoutDescription(R.xml.scene);