How can it work with AppBarLayout?

[tinlok228]

I want let SimpleRefreshHeader above the AppBarLayout, or at it's top like this?
http://imgur.com/a/j2f5G
How can I do?
Thank you.

<android.support.design.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent">

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

    <!-- ViewPager in FrameLayout -->
    <include layout="@layout/frame_layout_index_header_banner"/>

    <!-- Search Bar -->
    <android.support.design.widget.CollapsingToolbarLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:layout_scrollFlags="scroll|enterAlways|enterAlwaysCollapsed" >

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_collapseMode="pin">

            <ImageView
                android:id="@+id/image_view_search"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="right"
                android:background="@drawable/shape_yellowbg"
                android:src="@drawable/search_new" />

            <TextView
                android:id="@+id/text_view_search"
                android:layout_width="match_parent"
                android:layout_height="30dp"
                android:background="@drawable/shape_search"
                android:drawableLeft="@drawable/search_new"
                android:gravity="center_vertical"
                android:text="@string/please_input_product_name"
                android:textColor="@color/black3"
                android:textSize="12sp" />
        </LinearLayout>

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

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

<com.loopeer.springheader.SimpleRefreshHeader
    android:id="@+id/simple_refresh_header"
    android:layout_width="match_parent"
    android:layout_height="48dp"
    android:background="#cccccc"/>

<android.support.v4.widget.NestedScrollView
    android:id="@+id/nested_scroll_view"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    app:layout_behavior="@string/appbar_scrolling_view_behavior" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <ImageView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:scaleType="centerCrop"
            android:src="@drawable/is_going_bg"/>

    </LinearLayout>

</android.support.v4.widget.NestedScrollView>

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