如何检测SlidingUpPanel在颤振状态下的开闭状态

implementation 'com.sothree.slidinguppanel:library:3.4.0'

<com.sothree.slidinguppanel.SlidingUpPanelLayout
    xmlns:sothree="http://schemas.android.com/apk/res-auto"
    android:id="@+id/sliding_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    sothree:umanoPanelHeight="200dp"
    sothree:umanoShadowHeight="4dp">

    <!-- 主要内容 -->
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <!-- 主要内容的布局 -->

    </LinearLayout>

    <!-- 可滑动的面板 -->
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <!-- 面板的布局 -->

    </LinearLayout>

</com.sothree.slidinguppanel.SlidingUpPanelLayout>

SlidingUpPanelLayout slidingLayout = findViewById(R.id.sliding_layout);
slidingLayout.addPanelSlideListener(new SlidingUpPanelLayout.PanelSlideListener() {
    @Override
    public void onPanelSlide(View panel, float slideOffset) {
        // 面板正在滑动
    }

    @Override
    public void onPanelStateChanged(View panel, SlidingUpPanelLayout.PanelState previousState, SlidingUpPanelLayout.PanelState newState) {
        if (newState == SlidingUpPanelLayout.PanelState.EXPANDED) {
            // 面板完全展开
        } else if (newState == SlidingUpPanelLayout.PanelState.COLLAPSED) {
            // 面板完全关闭
        }
    }
});