nextcloud-talk-android/app/src/main/res/layout/controller_account_verification.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Nextcloud Talk application
  ~
  ~ @author Mario Danic
  ~ Copyright (C) 2017 Mario Danic
  ~
  ~ This program is free software: you can redistribute it and/or modify
  ~ it under the terms of the GNU General Public License as published by
  ~ the Free Software Foundation, either version 3 of the License, or
  ~ at your option) 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 General Public License for more details.
  ~
  ~ You should have received a copy of the GNU General Public License
  ~ along with this program.  If not, see <http://www.gnu.org/licenses/>.
  -->

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
                xmlns:tools="http://schemas.android.com/tools"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:background="@color/nc_white_color"
                android:keepScreenOn="true">

    <ProgressBar
        android:id="@+id/progress_bar"
        android:layout_width="@dimen/item_height"
        android:layout_height="@dimen/item_height"
        android:layout_centerInParent="true"
        android:layout_marginEnd="@dimen/activity_horizontal_margin"
        android:layout_marginLeft="@dimen/activity_horizontal_margin"
        android:layout_marginRight="@dimen/activity_horizontal_margin"
        android:layout_marginStart="@dimen/activity_horizontal_margin"
        android:indeterminate="true"
        android:indeterminateTint="@color/colorPrimary"
        android:indeterminateTintMode="src_in"
        android:keepScreenOn="true"/>

    <TextView
        android:id="@+id/progress_text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/progress_bar"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true"
        android:layout_marginEnd="@dimen/activity_horizontal_margin"
        android:layout_marginLeft="@dimen/activity_horizontal_margin"
        android:layout_marginRight="@dimen/activity_horizontal_margin"
        android:layout_marginStart="@dimen/activity_horizontal_margin"
        android:layout_marginTop="@dimen/padding_between_elements"
        android:textAlignment="center"
        android:textSize="18sp"
        tools:text="Verifying..."/>

</RelativeLayout>