packages/SystemUI/res/layout/status_bar_expanded.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/* apps/common/assets/default/default/skins/StatusBar.xml
**
** Copyright 2006, 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.
*/
-->

<com.android.systemui.statusbar.phone.NotificationPanelView 
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:systemui="http://schemas.android.com/apk/res/com.android.systemui"
    android:id="@+id/notification_panel"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@android:color/transparent"
    >

    <include
        layout="@layout/keyguard_status_view"
        android:layout_height="wrap_content"
        android:visibility="gone" />

    <com.android.systemui.statusbar.phone.NotificationsQuickSettingsContainer
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_gravity="@integer/notification_panel_layout_gravity"
        android:id="@+id/notification_container_parent"
        android:clipToPadding="false"
        android:clipChildren="false">

        <com.android.systemui.statusbar.phone.ObservableScrollView
            android:id="@+id/scroll_view"
            android:layout_width="@dimen/notification_panel_width"
            android:layout_height="match_parent"
            android:layout_gravity="@integer/notification_panel_layout_gravity"
            android:scrollbars="none"
            android:overScrollMode="never"
            android:fillViewport="true">
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="vertical">
                <include
                    layout="@layout/qs_panel"
                    android:layout_marginTop="@dimen/status_bar_header_height_expanded"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="@dimen/notification_side_padding"
                    android:layout_marginRight="@dimen/notification_side_padding"/>

                <!-- A view to reserve space for the collapsed stack -->
                <!-- Layout height: notification_min_height + bottom_stack_peek_amount -->
                <View
                    android:id="@+id/reserve_notification_space"
                    android:layout_height="@dimen/min_stack_height"
                    android:layout_width="match_parent"
                    android:layout_marginTop="@dimen/notifications_top_padding" />

                <View
                    android:layout_height="@dimen/notification_side_padding"
                    android:layout_width="match_parent" />
            </LinearLayout>
        </com.android.systemui.statusbar.phone.ObservableScrollView>

        <com.android.systemui.statusbar.stack.NotificationStackScrollLayout
            android:id="@+id/notification_stack_scroller"
            android:layout_width="@dimen/notification_panel_width"
            android:layout_height="match_parent"
            android:layout_gravity="@integer/notification_panel_layout_gravity"
            android:layout_marginBottom="@dimen/close_handle_underlap"
            android:importantForAccessibility="no" />

        <ViewStub
            android:id="@+id/keyguard_user_switcher"
            android:layout="@layout/keyguard_user_switcher"
            android:layout_height="match_parent"
            android:layout_width="match_parent" />

        <include
            layout="@layout/keyguard_status_bar"
            android:visibility="invisible" />

    </com.android.systemui.statusbar.phone.NotificationsQuickSettingsContainer>

    <include
            layout="@layout/keyguard_bottom_area"
            android:visibility="gone" />

    <include layout="@layout/status_bar_expanded_header" />

    <com.android.systemui.statusbar.AlphaOptimizedView
        android:id="@+id/qs_navbar_scrim"
        android:layout_height="96dp"
        android:layout_width="match_parent"
        android:layout_gravity="bottom"
        android:visibility="invisible"
        android:background="@drawable/qs_navbar_scrim" />

</com.android.systemui.statusbar.phone.NotificationPanelView><!-- end of sliding panel -->