element-android/app/src/main/res/layout/item_room.xml

<?xml version="1.0" encoding="utf-8"?>

<im.vector.riotredesign.core.platform.CheckableFrameLayout 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:id="@+id/itemRoomLayout"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@drawable/bg_room_item"
    android:clickable="true"
    android:focusable="true"
    android:foreground="?attr/selectableItemBackground"
    android:paddingLeft="8dp"
    android:paddingRight="16dp">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:duplicateParentState="true"
        android:minHeight="48dp">

        <ImageView
            android:id="@+id/roomAvatarImageView"
            android:layout_width="32dp"
            android:layout_height="32dp"
            android:layout_marginStart="16dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            tools:src="@tools:sample/avatars" />

        <TextView
            android:id="@+id/roomNameView"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginStart="16dp"
            android:layout_marginEnd="16dp"
            android:duplicateParentState="true"
            android:textColor="@color/color_room_title"
            android:textSize="14sp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@+id/roomUnreadCounterBadgeView"
            app:layout_constraintStart_toEndOf="@id/roomAvatarImageView"
            app:layout_constraintTop_toTopOf="parent"
            tools:text="@tools:sample/full_names" />

        <im.vector.riotredesign.features.home.room.list.UnreadCounterBadgeView
            android:id="@+id/roomUnreadCounterBadgeView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:minWidth="24dp"
            android:minHeight="24dp"
            android:paddingLeft="4dp"
            android:paddingRight="4dp"
            android:textColor="@android:color/white"
            android:textSize="12sp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintDimensionRatio="1:1"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            tools:background="@drawable/bg_unread_highlight"
            tools:text="115" />

    </androidx.constraintlayout.widget.ConstraintLayout>

</im.vector.riotredesign.core.platform.CheckableFrameLayout>