fragment_article_detail.xml

<?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"
    android:background="@color/ltgray"
    tools:context=".ui.ArticleListActivity">

    <android.support.design.widget.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="128dp"
        android:theme="@style/Theme.Bacon.AppBarOverlay"
        android:fitsSystemWindows="true"
        app:elevation="@dimen/appbar_elevation">
        
        <android.support.design.widget.CollapsingToolbarLayout
            android:id="@+id/collapse_toolbar"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:layout_scrollFlags="scroll|exitUntilCollapsed"
            android:fitsSystemWindows="true">

            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="?actionBarSize"
                android:background="?attr/colorPrimary"
                app:layout_collapseMode="parallax"
                app:layout_collapseParallaxMultiplier="@fraction/paralax_multiplier"
                android:layout_gravity="bottom">

                <ImageView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:src="@drawable/logo"
                    android:scaleType="centerCrop"
                    android:contentDescription="@string/app_name" />

            </android.support.v7.widget.Toolbar>
        </android.support.design.widget.CollapsingToolbarLayout>
    </android.support.design.widget.AppBarLayout>

    <android.support.v4.widget.SwipeRefreshLayout
        android:id="@+id/swipe_refresh_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior"
        app:elevation="@dimen/refresh_indicator_elevation">

        <android.support.v7.widget.RecyclerView
            android:id="@+id/recycler_view"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:clipToPadding="false"
            android:scrollbarStyle="outsideOverlay"
            android:paddingLeft="@dimen/list_side_margin"
            android:paddingRight="@dimen/list_side_margin"
            android:paddingTop="@dimen/list_vertical_margin"
            android:paddingBottom="@dimen/list_vertical_margin"/>
    </android.support.v4.widget.SwipeRefreshLayout>

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