item_message.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <androidx.cardview.widget.CardView
        android:id="@+id/avatarWrapper"
        android:layout_width="@dimen/avatar_size"
        android:layout_height="@dimen/avatar_size"
        android:layout_margin="@dimen/margin_x_small"
        app:cardCornerRadius="@dimen/avatar_circle_radius"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintTop_toTopOf="parent">
        <androidx.appcompat.widget.AppCompatImageView
            android:id="@+id/avatar"
            android:layout_width="@dimen/avatar_size"
            android:layout_height="@dimen/avatar_size" />
    </androidx.cardview.widget.CardView>


    <TextView
        android:id="@+id/userName"
        style="@style/TextAppearance.AppCompat.Title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="@dimen/margin_x_small"
        android:ellipsize="end"
        android:lines="1"
        app:layout_constraintLeft_toRightOf="@+id/avatarWrapper"
        app:layout_constraintTop_toTopOf="@+id/avatarWrapper" />

    <TextView
        android:id="@+id/message"
        style="@style/TextAppearance.AppCompat.Caption"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="@dimen/margin_x_small"
        android:ellipsize="end"
        android:maxLines="3"
        app:layout_constraintLeft_toRightOf="@+id/avatarWrapper"
        app:layout_constraintTop_toBottomOf="@+id/userName" />

</androidx.constraintlayout.widget.ConstraintLayout>