quickstep/res/layout/gesture_tutorial_mock_conversation.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2021 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.
-->
<androidx.constraintlayout.widget.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/top_bar"
        android:layout_width="match_parent"
        android:layout_height="101dp"
        android:background="@color/mock_conversation_top_bar"

        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent">

        <androidx.cardview.widget.CardView
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:layout_marginTop="43dp"
            android:layout_marginBottom="22dp"
            android:layout_marginStart="34dp"
            android:layout_marginEnd="211dp"

            app:cardElevation="0dp"
            app:cardCornerRadius="4dp"
            app:cardBackgroundColor="@color/mock_conversation_top_bar_item"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"/>

        <androidx.cardview.widget.CardView
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:layout_marginTop="43dp"
            android:layout_marginBottom="22dp"
            android:layout_marginStart="300dp"
            android:layout_marginEnd="16dp"

            app:cardElevation="0dp"
            app:cardCornerRadius="4dp"
            app:cardBackgroundColor="@color/mock_conversation_top_bar_item"
            app:layout_constraintDimensionRatio="1:1"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@id/top_bar_button"/>

        <androidx.cardview.widget.CardView
            android:id="@+id/top_bar_button"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:layout_marginTop="43dp"
            android:layout_marginBottom="22dp"
            android:layout_marginStart="300dp"
            android:layout_marginEnd="24dp"

            app:cardElevation="0dp"
            app:cardCornerRadius="4dp"
            app:cardBackgroundColor="@color/mock_conversation_top_bar_item"
            app:layout_constraintDimensionRatio="1:1"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"/>

    </androidx.constraintlayout.widget.ConstraintLayout>

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:background="@color/mock_conversation_background"
        android:paddingBottom="66dp"

        app:layout_constraintTop_toBottomOf="@id/top_bar"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent">

        <androidx.constraintlayout.widget.ConstraintLayout
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:paddingBottom="36dp"

            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintBottom_toTopOf="@id/message_bar"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent">

            <androidx.cardview.widget.CardView
                android:id="@+id/message_1"
                android:layout_width="0dp"
                android:layout_height="112dp"
                android:layout_marginBottom="32dp"
                android:layout_marginStart="124dp"
                android:layout_marginEnd="18dp"

                app:cardElevation="0dp"
                app:cardCornerRadius="18dp"
                app:cardBackgroundColor="@color/mock_conversation_sent_message"
                app:layout_constraintBottom_toTopOf="@id/reply_icon_1"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintEnd_toEndOf="parent"/>

            <androidx.cardview.widget.CardView
                android:id="@+id/reply_icon_1"
                android:layout_width="44dp"
                android:layout_height="44dp"
                android:layout_marginBottom="32dp"
                android:layout_marginStart="26dp"

                app:cardElevation="0dp"
                app:cardCornerRadius="100dp"
                app:cardBackgroundColor="@color/mock_conversation_profile_icon"
                app:layout_constraintDimensionRatio="1:1"
                app:layout_constraintBottom_toTopOf="@id/message_2"
                app:layout_constraintStart_toStartOf="parent"/>

            <androidx.cardview.widget.CardView
                android:layout_width="0dp"
                android:layout_height="36dp"
                android:layout_marginStart="17dp"
                android:layout_marginEnd="112dp"

                app:cardElevation="0dp"
                app:cardCornerRadius="18dp"
                app:cardBackgroundColor="@color/mock_conversation_received_message"
                app:layout_constraintTop_toTopOf="@id/reply_icon_1"
                app:layout_constraintBottom_toBottomOf="@id/reply_icon_1"
                app:layout_constraintStart_toEndOf="@id/reply_icon_1"
                app:layout_constraintEnd_toEndOf="parent"/>

            <androidx.cardview.widget.CardView
                android:id="@+id/message_2"
                android:layout_width="0dp"
                android:layout_height="36dp"
                android:layout_marginBottom="4dp"
                android:layout_marginStart="280dp"
                android:layout_marginEnd="18dp"

                app:cardElevation="0dp"
                app:cardCornerRadius="18dp"
                app:cardBackgroundColor="@color/mock_conversation_sent_message"
                app:layout_constraintBottom_toTopOf="@id/message_3"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintEnd_toEndOf="parent"/>

            <androidx.cardview.widget.CardView
                android:id="@+id/message_3"
                android:layout_width="0dp"
                android:layout_height="74dp"
                android:layout_marginBottom="32dp"
                android:layout_marginStart="124dp"
                android:layout_marginEnd="18dp"

                app:cardElevation="0dp"
                app:cardCornerRadius="18dp"
                app:cardBackgroundColor="@color/mock_conversation_sent_message"
                app:layout_constraintBottom_toTopOf="@id/reply_icon_2"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintEnd_toEndOf="parent"/>

            <androidx.cardview.widget.CardView
                android:id="@+id/reply_icon_2"
                android:layout_width="44dp"
                android:layout_height="44dp"
                android:layout_marginBottom="32dp"
                android:layout_marginStart="26dp"

                app:cardElevation="0dp"
                app:cardCornerRadius="100dp"
                app:cardBackgroundColor="@color/mock_conversation_profile_icon"
                app:layout_constraintDimensionRatio="1:1"
                app:layout_constraintBottom_toTopOf="@id/message_4"
                app:layout_constraintStart_toStartOf="parent"/>

            <androidx.cardview.widget.CardView
                android:layout_width="0dp"
                android:layout_height="36dp"
                android:layout_marginStart="17dp"
                android:layout_marginEnd="144dp"

                app:cardElevation="0dp"
                app:cardCornerRadius="18dp"
                app:cardBackgroundColor="@color/mock_conversation_received_message"
                app:layout_constraintTop_toTopOf="@id/reply_icon_2"
                app:layout_constraintBottom_toBottomOf="@id/reply_icon_2"
                app:layout_constraintStart_toEndOf="@id/reply_icon_2"
                app:layout_constraintEnd_toEndOf="parent"/>

            <androidx.cardview.widget.CardView
                android:id="@+id/message_4"
                android:layout_width="0dp"
                android:layout_height="74dp"
                android:layout_marginStart="124dp"
                android:layout_marginEnd="18dp"

                app:cardElevation="0dp"
                app:cardCornerRadius="18dp"
                app:cardBackgroundColor="@color/mock_conversation_sent_message"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintEnd_toEndOf="parent"/>

        </androidx.constraintlayout.widget.ConstraintLayout>

        <androidx.cardview.widget.CardView
            android:id="@+id/message_bar"
            android:layout_width="0dp"
            android:layout_height="44dp"
            android:layout_marginTop="36dp"
            android:layout_marginStart="34dp"
            android:layout_marginEnd="24dp"

            app:cardElevation="0dp"
            app:cardCornerRadius="164dp"
            app:cardBackgroundColor="@color/mock_conversation_message_input"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent" />

    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.constraintlayout.widget.ConstraintLayout>