<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.AppBarLayout
    android:id="@+id/appbarlayout"
    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="wrap_content"
    android:fitsSystemWindows="true"
    android:clipToPadding="true"
    app:elevation="0dp"
    >

    <android.support.v7.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:minHeight="?attr/actionBarSize"
        android:background="@color/reader_top_toolbar_bg"
        app:popupTheme="@style/MyCustomToolBarStyle"
        app:theme="@style/MyCustomToolBarStyle"
        app:titleTextAppearance="@style/Toolbar.TitleText"
        />

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