SlidingUpPanelLayout无法正确使用CoordinatorLayout作为SlidingUpPanelLayout的第一个子节点

Question

因此，当fitssystemwindow为真时，它会自动增加其面板高度，当它为假时它可以正常工作。但在我的项目中，我需要这样的，所以请给我任何解决方案;

places

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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"
 >
<com.sothree.slidinguppanel.SlidingUpPanelLayout
    xmlns:sothree="http://schemas.android.com/apk/res-auto"
    android:id="@+id/slideUpLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="bottom"

    sothree:umanoDragView="@+id/dragView"
    sothree:umanoOverlay="true"
    sothree:umanoPanelHeight="68dp"
    sothree:umanoParallaxOffset="100dp"
    sothree:umanoShadowHeight="4dp">
    <!-- This is the first child  and show main content-->
    <?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout       
android:id="@+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true" // when this is false work fine otherwise     not
 >

<android.support.design.widget.AppBarLayout
    android:id="@+id/appbar"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:paddingTop="@dimen/appbar_padding_top"
    android:theme="@style/AppTheme.AppBarOverlay">

    <android.support.v7.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:background="?attr/colorPrimary"
        app:layout_scrollFlags="scroll|enterAlways"
        app:popupTheme="@style/AppTheme.PopupOverlay">

    </android.support.v7.widget.Toolbar>

    <android.support.design.widget.TabLayout
        android:id="@+id/tabs"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

</android.support.design.widget.AppBarLayout>

<android.support.v4.view.ViewPager
    android:id="@+id/container"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    app:layout_behavior="@string/appbar_scrolling_view_behavior" />

<android.support.design.widget.FloatingActionButton
    android:id="@+id/fab"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="end|bottom"
    android:layout_margin="@dimen/fab_margin"
    android:src="@android:drawable/ic_dialog_email" />

所以请给我解决方案，或者从下到上为SlideupPaneLayout提供任何其他库。