java.lang.IllegalArgumentException: Parent must be instance of RevealViewGroup

[rexi1r]

@intrications

<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <io.codetail.widget.RevealFrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/container_frame"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

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

    </io.codetail.widget.RevealFrameLayout>

    <ScrollView
        android:id="@+id/scrollView"
        android:layout_width="@dimen/sliding_menu_width"
        android:layout_height="match_parent"
        android:layout_gravity="start|bottom"
        android:scrollbarThumbVertical="@android:color/transparent">

        <LinearLayout
            android:id="@+id/left_drawer"
            android:layout_width="@dimen/sliding_menu_width"
            android:layout_height="wrap_content"
            android:background="@android:color/transparent"
            android:divider="@android:color/transparent"
            android:orientation="vertical"></LinearLayout>
    </ScrollView>
</android.support.v4.widget.DrawerLayout>