title: how to add RelativeLayout after AppbarLayout in CoordinateLayout
body: <p>I am using <code>CoordinateLayout</code>, in that <code>AppBarLayout</code> and below <code>ScrollView</code> , <code>AppbarLayout</code> and <code>ScrollView</code> are overlap to each other. how to set ScrollView below to AppBarLayout. let me know thnks</p>
  
  <pre><code>&lt;android.support.design.widget.CoordinatorLayout 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"
      android:background="@drawable/bg_blue"
      android:fitsSystemWindows="true"&gt;
  
      &lt;android.support.design.widget.AppBarLayout
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:theme="@style/AppTheme.AppBarOverlay"&gt;
  
          &lt;android.support.v7.widget.Toolbar
              android:id="@+id/toolbar"
              android:layout_width="match_parent"
              android:layout_height="?attr/actionBarSize"
              android:background="?attr/colorPrimary"
              app:popupTheme="@style/AppTheme.PopupOverlay"&gt;
  
          &lt;/android.support.v7.widget.Toolbar&gt;
  
  
      &lt;/android.support.design.widget.AppBarLayout&gt;
  
      &lt;ScrollView
          android:id="@+id/scrollView"
          android:layout_width="match_parent"
          android:layout_height="match_parent"
          android:layout_marginLeft="@dimen/padding_medium"
          android:layout_marginRight="@dimen/padding_medium"
          android:scrollbars="none"&gt;
  
           &lt;LinearLayout
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:orientation="vertical"&gt;
  
              &lt;LinearLayout
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content"
                  android:layout_marginTop="@dimen/padding_verysmall"
                  android:gravity="center"
                  android:orientation="vertical"&gt;
  
  
          &lt;/LinearLayout&gt;
  
      &lt;/ScrollView&gt;
  
  &lt;/android.support.design.widget.CoordinatorLayout&gt;
  </code></pre>