quickstep/res/layout/bubble_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2023 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.
  -->
<merge xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <ImageView
        android:id="@+id/icon_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:contentDescription="@null" />

    <!--
        Icon badge size is defined in Launcher3 BaseIconFactory as 0.444 of icon size.
        Constraint guide starts from left, which means for a badge positioned on the right,
        percent has to be 1 - 0.444 to have the same effect.
    -->
    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/app_icon_constraint_horizontal"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.556" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/app_icon_constraint_vertical"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_percent="0.556" />

    <ImageView
        android:id="@+id/app_icon_view"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:contentDescription="@null"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="@id/app_icon_constraint_vertical"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="@id/app_icon_constraint_horizontal" />

</merge>