fragment_collapsing_avatar.xml

<?xml version="1.0" encoding="utf-8"?>
<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"
    tools:context=".MainActivity">

    <android.support.design.widget.AppBarLayout
        android:id="@+id/appBar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">

        <android.support.design.widget.CollapsingToolbarLayout
            android:id="@+id/collapsingToolbar"
            android:layout_width="match_parent"
            android:layout_height="280dp"
            app:layout_scrollFlags="scroll|exitUntilCollapsed"
            app:contentScrim="?attr/colorPrimary"
            app:expandedTitleTextAppearance="@style/CollapsingToolbarLayoutExpandedTextStyle">

            <ImageView
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:scaleType="centerCrop"
                app:layout_collapseMode="parallax"
                android:background="@drawable/background" />

            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                app:layout_collapseMode="pin"
                app:contentInsetStart="0dp">

                <ImageView
                    android:id="@+id/iv_back"
                    android:layout_width="36dp"
                    android:layout_height="36dp"
                    android:layout_marginStart="10dp"
                    android:padding="6dp"
                    android:clickable="true"
                    android:focusable="true"
                    android:background="?attr/selectableItemBackgroundBorderless"
                    android:src="@drawable/arrow_back" />

                <Space
                    android:id="@+id/target_place"
                    android:layout_marginStart="16dp"
                    android:layout_width="40dp"
                    android:layout_height="40dp"/>

            </android.support.v7.widget.Toolbar>

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

    <ru.nikartm.support.widget.CircularImageView
        android:id="@+id/iv_avatar"
        android:layout_height="150dp"
        android:layout_width="150dp"
        android:layout_marginTop="30dp"
        app:target_place="@id/target_place"
        app:layout_behavior="ru.nikartm.support.widget.CollapsingViewBehavior"
        android:elevation="5dp"
        android:layout_gravity="center_horizontal"
        android:src="@drawable/avatar"/>

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

        <include layout="@layout/content_layout" />

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

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