packages/SystemUI/res/layout/screen_pinning_request_text_area.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/**
 * Copyright (c) 2014, The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
-->
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/screen_pinning_text_area"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:background="?android:attr/colorAccent"
    android:gravity="center_vertical">

    <TextView
        android:id="@+id/screen_pinning_title"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingEnd="48dp"
        android:paddingStart="48dp"
        android:paddingTop="43dp"
        android:text="@string/screen_pinning_title"
        android:textColor="@android:color/white"
        android:textSize="24sp" />

    <TextView
        android:id="@+id/screen_pinning_description"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@id/screen_pinning_title"
        android:paddingEnd="48dp"
        android:paddingStart="48dp"
        android:paddingTop="12.6dp"
        android:text="@string/screen_pinning_description"
        android:textColor="@android:color/white"
        android:textSize="16sp" />

    <Button
        android:id="@+id/screen_pinning_ok_button"
        style="@android:style/Widget.Material.Button"
        android:layout_width="wrap_content"
        android:layout_height="36dp"
        android:layout_alignParentEnd="true"
        android:layout_below="@+id/screen_pinning_description"
        android:layout_marginEnd="40dp"
        android:layout_marginTop="18dp"
        android:background="@null"
        android:paddingEnd="8dp"
        android:paddingStart="8dp"
        android:text="@string/screen_pinning_positive"
        android:textColor="@android:color/white"
        android:textSize="14sp" />

    <Button
        android:id="@+id/screen_pinning_cancel_button"
        style="@android:style/Widget.Material.Button"
        android:layout_width="wrap_content"
        android:layout_height="36dp"
        android:layout_alignTop="@id/screen_pinning_ok_button"
        android:layout_marginEnd="4dp"
        android:layout_toStartOf="@id/screen_pinning_ok_button"
        android:background="@null"
        android:paddingEnd="8dp"
        android:paddingStart="8dp"
        android:text="@string/screen_pinning_negative"
        android:textColor="@android:color/white"
        android:textSize="14sp" />

</RelativeLayout>