<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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:id="@+id/toolbar" >

        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbarInner"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="?attr/colorPrimary"
            app:titleTextAppearance="@style/AppTheme.Widget.Toolbar.Title"
            android:theme="@style/AppTheme.Widget.Toolbar"
            app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
            android:elevation="8dp"
            android:paddingBottom="0dp"
            android:layout_margin="0dp"/>

</RelativeLayout>