packages/SystemUI/res/layout/quick_status_bar_expanded_header.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
** Copyright 2012, 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.
-->

<!-- Extends RelativeLayout -->
<com.android.systemui.qs.QuickStatusBarHeader
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/header"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_gravity="@integer/notification_panel_layout_gravity"
    android:background="@android:color/transparent"
    android:baselineAligned="false"
    android:clickable="false"
    android:clipChildren="false"
    android:clipToPadding="false"
    android:paddingTop="0dp"
    android:paddingEnd="0dp"
    android:paddingStart="0dp"
    android:elevation="4dp" >

    <!-- Date and privacy. Only visible in QS when not in split shade -->
    <include layout="@layout/quick_status_bar_header_date_privacy"/>

    <RelativeLayout
        android:id="@+id/qs_container"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="top"
        android:clipChildren="false"
        android:clipToPadding="false">
        <!-- Time, icons and Carrier (only in QS when not in split shade) -->
        <include layout="@layout/quick_qs_status_icons"/>

        <com.android.systemui.qs.QuickQSPanel
            android:id="@+id/quick_qs_panel"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@id/quick_qs_status_icons"
            android:layout_marginTop="@dimen/qqs_layout_margin_top"
            android:accessibilityTraversalAfter="@id/quick_qs_status_icons"
            android:clipChildren="false"
            android:clipToPadding="false"
            android:focusable="true"
            android:paddingBottom="24dp"
            android:importantForAccessibility="yes">

            <include
                layout="@layout/footer_actions"
                android:id="@+id/qqs_footer_actions"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="@dimen/qqs_layout_margin_top"
                android:layout_marginStart="@dimen/qs_footer_margin"
                android:layout_marginEnd="@dimen/qs_footer_margin"
                />
        </com.android.systemui.qs.QuickQSPanel>
    </RelativeLayout>

</com.android.systemui.qs.QuickStatusBarHeader>