CordinatorLayout에서 툴바를 숨기고 싶은데 왜 상태바를 침범할까요?

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<?xml version="1.0" encoding="utf-8"?> <android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:app="http://schemas.android.com/apk/res-auto"     xmlns:tools="http://schemas.android.com/tools"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:fitsSystemWindows="true"     tools:context="com.appgenius.coordinatorex.MainActivity">       <android.support.v7.widget.RecyclerView         android:id="@+id/recycleView"         android:layout_width="match_parent"         android:layout_height="match_parent"         android:scrollbars="vertical"         app:layout_behavior="@string/appbar_scrolling_view_behavior"         >     </android.support.v7.widget.RecyclerView>       <android.support.design.widget.AppBarLayout         android:layout_width="match_parent"         android:layout_height="wrap_content"         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.design.widget.AppBarLayout>   </android.support.design.widget.CoordinatorLayout> Colored by Color Scripter

cs

 

스크롤했을때 툴바가 사라지게 하고 싶은데

상태바 밑으로 들어가서 숨어야 되는데 

위로 나와서 내용이 표시되요

뭘 잘못했을까요?