circolapp/app/src/main/res/layout/item_circular.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.cardview.widget.CardView 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="wrap_content"
    android:layout_marginStart="8dp"
    android:layout_marginTop="8dp"
    android:layout_marginEnd="8dp"
    app:cardCornerRadius="8dp">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <TextView
            android:id="@+id/circular_number_textview"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="8dp"
            android:layout_marginTop="8dp"
            android:textAppearance="@style/TextAppearance.MaterialComponents.Body1"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <TextView
            android:id="@+id/circular_title_textview"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginStart="8dp"
            android:layout_marginTop="4dp"
            android:layout_marginEnd="8dp"
            app:layout_constraintBottom_toTopOf="@+id/circular_view_button"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/circular_number_textview" />

        <TextView
            android:id="@+id/circular_date_textview"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="8dp"
            android:textAppearance="@style/TextAppearance.MaterialComponents.Caption"
            app:layout_constraintBottom_toBottomOf="@+id/circular_number_textview"
            app:layout_constraintStart_toEndOf="@+id/circular_number_textview"
            app:layout_constraintTop_toTopOf="@+id/circular_number_textview" />

        <ImageButton
            android:id="@+id/circular_view_button"
            style="?android:attr/borderlessButtonStyle"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="8dp"
            android:src="@drawable/baseline_visibility_24"
            android:tint="@color/colorAccent"
            app:layout_constraintBottom_toTopOf="@+id/circulars_attachments_list"
            app:layout_constraintStart_toStartOf="parent" />

        <ImageButton
            android:id="@+id/circular_download_button"
            style="?android:attr/borderlessButtonStyle"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:src="@drawable/baseline_get_app_24"
            android:tint="@color/colorAccent"
            app:layout_constraintBottom_toTopOf="@+id/circulars_attachments_list"
            app:layout_constraintEnd_toStartOf="@+id/circular_guideline"
            app:layout_constraintStart_toEndOf="@+id/circular_view_button" />

        <ImageButton
            android:id="@+id/circular_favourite_button"
            style="?android:attr/borderlessButtonStyle"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/baseline_star_24"
            android:tint="@color/colorAccent"
            app:layout_constraintBottom_toTopOf="@+id/circulars_attachments_list"
            app:layout_constraintEnd_toStartOf="@+id/circular_reminder_button"
            app:layout_constraintStart_toStartOf="@+id/circular_guideline" />

        <ImageButton
            android:id="@+id/circular_reminder_button"
            style="?android:attr/borderlessButtonStyle"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginEnd="8dp"
            android:src="@drawable/baseline_notifications_24"
            android:tint="@color/colorAccent"
            app:layout_constraintBottom_toTopOf="@+id/circulars_attachments_list"
            app:layout_constraintEnd_toEndOf="parent" />

        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/circulars_attachments_list"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginStart="8dp"
            android:layout_marginEnd="8dp"
            android:layout_marginBottom="4dp"
            android:nestedScrollingEnabled="false"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/circular_guideline"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_percent="0.5" />

    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.cardview.widget.CardView>