packages/SystemUI/res/layout/priority_onboarding_half_shell.xml

<!--
  ~ Copyright (C) 2020 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/onboarding_half_shell_container"
    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_shell"
        android:layout_width="@dimen/qs_panel_width"
        android:layout_height="wrap_content"
        android:paddingTop="16dp"
        android:paddingStart="16dp"
        android:paddingEnd="16dp"
        android:orientation="vertical"
        android:gravity="bottom"
        android:layout_gravity="center_horizontal|bottom"
        android:background="@drawable/rounded_bg_full"
        >

    <FrameLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:clipChildren="false"
        android:clipToPadding="false"
        android:padding="12dp"
        android:layout_gravity="center_horizontal"
    >

        <!-- Big icon: 52x52, 12dp padding left + top, 16dp padding right -->
        <ImageView
            android:id="@+id/conversation_icon"
            android:layout_width="@*android:dimen/conversation_avatar_size"
            android:layout_height="@*android:dimen/conversation_avatar_size"
            android:scaleType="centerCrop"
            android:importantForAccessibility="no"
        />

        <FrameLayout
            android:id="@+id/conversation_icon_badge"
            android:layout_width="@*android:dimen/conversation_icon_size_badged"
            android:layout_height="@*android:dimen/conversation_icon_size_badged"
            android:layout_marginLeft="@*android:dimen/conversation_badge_side_margin"
            android:layout_marginTop="@*android:dimen/conversation_badge_side_margin"
            android:clipChildren="false"
            android:clipToPadding="false"
        >
            <ImageView
                android:id="@+id/conversation_icon_badge_bg"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_gravity="center"
                android:src="@*android:drawable/conversation_badge_background"
                android:forceHasOverlappingRendering="false"
            />
            <ImageView
                android:id="@+id/icon"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_margin="4dp"
                android:layout_gravity="center"
                android:forceHasOverlappingRendering="false"
            />
            <ImageView
                android:id="@+id/conversation_icon_badge_ring"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:src="@*android:drawable/conversation_badge_ring"
                android:forceHasOverlappingRendering="false"
                android:clipToPadding="false"
                android:scaleType="center"
            />
        </FrameLayout>
    </FrameLayout>

        <TextView
            android:id="@+id/title"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center_horizontal"
            android:layout_marginTop="16dp"
            android:text="@string/priority_onboarding_title"
            style="@style/TextAppearance.NotificationImportanceChannel"
        />

        <View
            android:id="@+id/divider"
            android:layout_width="match_parent"
            android:layout_height="0.5dp"
            android:layout_marginTop="20dp"
            android:layout_marginBottom="20dp"
            android:background="@color/material_grey_300" />

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="start"
            android:text="@string/priority_onboarding_behavior"
            style="@style/TextAppearance.NotificationImportanceChannelGroup"
        />

        <TextView
            android:id="@+id/behaviors"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="start"
            android:layout_marginTop="8dp"
            style="@style/TextAppearance.NotificationImportanceChannelGroup"
        />

        <!-- Bottom button container -->
        <RelativeLayout
            android:id="@+id/button_container"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="32dp"
            android:orientation="horizontal"
            >
            <TextView
                android:id="@+id/settings_button"
                android:text="@string/priority_onboarding_settings_button_title"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentStart="true"
                android:gravity="start|center_vertical"
                android:minWidth="@dimen/notification_importance_toggle_size"
                android:minHeight="@dimen/notification_importance_toggle_size"
                android:maxWidth="125dp"
                style="@style/TextAppearance.NotificationInfo.Button"/>
            <TextView
                android:id="@+id/done_button"
                android:text="@string/priority_onboarding_done_button_title"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentEnd="true"
                android:gravity="end|center_vertical"
                android:minWidth="@dimen/notification_importance_toggle_size"
                android:minHeight="@dimen/notification_importance_toggle_size"
                android:maxWidth="125dp"
                style="@style/TextAppearance.NotificationInfo.Button"/>

        </RelativeLayout>

    </LinearLayout>
</FrameLayout>