nextcloud-android/res/layout/toolbar_standard.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  Nextcloud Android client application

  Copyright (C) 2016 Andy Scherzinger
  Copyright (C) 2016 Nextcloud
  Copyright (C) 2016 ownCloud

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
  License as published by the Free Software Foundation; either
  version 3 of the License, or any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  GNU AFFERO GENERAL PUBLIC LICENSE for more details.

  You should have received a copy of the GNU Affero General Public
  License along with this program.  If not, see <http://www.gnu.org/licenses/>.
-->
<android.support.design.widget.AppBarLayout
    android:id="@+id/appbar"
    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:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">

    <android.support.v7.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:background="?attr/colorPrimary"
        app:layout_scrollFlags="scroll|enterAlways|snap"
        app:popupTheme="@style/ThemeOverlay.AppCompat.Light"/>

    <ProgressBar
        android:id="@+id/progressBar"
        style="@style/Widget.ownCloud.TopProgressBar"
        android:layout_width="match_parent"
        android:layout_height="@dimen/standard_quarter_margin"
        android:layout_margin="@dimen/zero"
        android:indeterminate="false"
        android:indeterminateOnly="false"
        android:padding="@dimen/zero"
        android:visibility="visible"
        />

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