Android - Collapsing Toolbar Skeleton

collapsing_toolbar

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

		<android.support.design.widget.CollapsingToolbarLayout
			android:layout_width="match_parent"
			android:layout_height="match_parent"
			app:contentScrim="?attr/colorPrimary"
			app:layout_scrollFlags="scroll|exitUntilCollapsed">

			<ImageView
				android:layout_width="match_parent"
				android:layout_height="wrap_content"
				android:adjustViewBounds="true"
				android:scaleType="centerCrop"/>

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

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

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

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

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


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<android.support.v7.widget.Toolbar
	xmlns:android="http://schemas.android.com/apk/res/android"
	xmlns:app="http://schemas.android.com/apk/res-auto"
	android:id="@+id/toolbar"
	android:layout_width="match_parent"
	android:layout_height="?attr/actionBarSize"
	app:layout_collapseMode="pin"/>