packages/SystemUI/res/layout/notif_half_shelf.xml

<!--
  ~ Copyright (C) 2019 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
  -->

<FrameLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/half_shelf_dialog"
        android:orientation="vertical"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal|bottom"
        android:paddingStart="4dp"
        android:paddingEnd="4dp"
>

    <LinearLayout
        android:id="@+id/half_shelf"
        android:layout_width="@dimen/qs_panel_width"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:gravity="bottom"
        android:layout_gravity="center_horizontal|bottom"
        android:background="@drawable/rounded_bg_full" >

        <com.android.systemui.statusbar.notification.row.ChannelEditorListView
            android:id="@+id/half_shelf_container"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="bottom"
            android:orientation="vertical" >

            <com.android.systemui.statusbar.notification.row.AppControlView
                android:id="@+id/app_control"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:padding="8dp"
                android:orientation="horizontal"
                android:clickable="true"
                android:foreground="?android:attr/selectableItemBackground" >

                <ImageView
                    android:id="@+id/icon"
                    android:layout_height="48dp"
                    android:layout_width="48dp"
                    android:padding="8dp" />

                <TextView
                    android:id="@+id/app_name"
                    android:layout_height="wrap_content"
                    android:layout_width="0dp"
                    android:layout_weight="1"
                    android:layout_gravity="center"
                    android:padding="8dp"
                    android:gravity="center_vertical|start"
                    android:textSize="15sp"
                    android:ellipsize="end"
                    android:maxLines="1"
                    style="@style/TextAppearance.NotificationInfo.Title" />

                <Switch
                    android:id="@+id/toggle"
                    android:layout_height="48dp"
                    android:layout_width="wrap_content"
                    android:layout_gravity="center_vertical"
                    android:padding="8dp" />
            </com.android.systemui.statusbar.notification.row.AppControlView>
            <!-- divider view -->
            <View
                android:layout_width="match_parent"
                android:layout_height="1dp"
                android:background="@color/notification_channel_dialog_separator"
            />

            <!-- ChannelRows get added dynamically -->

        </com.android.systemui.statusbar.notification.row.ChannelEditorListView>
        <!-- divider view -->
        <View
            android:layout_width="match_parent"
            android:layout_height="1dp"
            android:background="@color/notification_channel_dialog_separator"
        />
        <RelativeLayout
            android:id="@+id/bottom_actions"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingTop="@dimen/notification_guts_button_spacing"
            android:paddingStart="20dp"
            android:paddingEnd="20dp" >
            <TextView
                android:id="@+id/see_more_button"
                android:text="@string/see_more_title"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentStart="true"
                android:layout_centerVertical="true"
                android:gravity="start|center_vertical"
                android:minWidth="@dimen/notification_importance_toggle_size"
                android:minHeight="@dimen/notification_importance_toggle_size"
                android:maxWidth="200dp"
                style="@style/TextAppearance.NotificationInfo.Button"/>
            <TextView
                android:id="@+id/done_button"
                android:text="@string/inline_ok_button"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_centerVertical="true"
                android:gravity="end|center_vertical"
                android:maxWidth="125dp"
                android:minWidth="@dimen/notification_importance_toggle_size"
                android:minHeight="@dimen/notification_importance_toggle_size"
                android:layout_alignParentEnd="true"
                style="@style/TextAppearance.NotificationInfo.Button"/>
        </RelativeLayout>
    </LinearLayout>
</FrameLayout>