FairEmail/app/src/main/res/layout/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"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="?attr/drawableItemBackground">

    <View
        android:id="@+id/vwColor"
        android:layout_width="6dp"
        android:layout_height="0dp"
        android:background="@color/colorAccent"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <ImageView
        android:id="@+id/ivFlagged"
        android:layout_width="21dp"
        android:layout_height="21dp"
        android:layout_marginStart="6dp"
        android:src="@drawable/baseline_star_24"
        android:visibility="visible"
        app:layout_constraintBottom_toBottomOf="@id/tvFrom"
        app:layout_constraintStart_toEndOf="@id/vwColor"
        app:layout_constraintTop_toTopOf="@+id/tvFrom" />

    <ImageView
        android:id="@+id/ivAvatar"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_marginStart="6dp"
        android:src="@drawable/baseline_person_24"
        app:layout_constraintBottom_toBottomOf="@+id/tvFrom"
        app:layout_constraintDimensionRatio="1:1"
        app:layout_constraintStart_toEndOf="@id/ivFlagged"
        app:layout_constraintTop_toTopOf="@+id/tvFrom" />

    <TextView
        android:id="@+id/tvFrom"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginEnd="6dp"
        android:layout_marginStart="6dp"
        android:ellipsize="end"
        android:maxLines="1"
        android:text="From"
        android:textAppearance="@style/TextAppearance.AppCompat.Medium"
        app:layout_constraintEnd_toStartOf="@+id/tvSize"
        app:layout_constraintStart_toEndOf="@id/ivAvatar"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/tvSize"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="6dp"
        android:maxLines="1"
        android:text="123 KB"
        android:textAppearance="@style/TextAppearance.AppCompat.Small"
        app:layout_constraintBottom_toBottomOf="@id/tvFrom"
        app:layout_constraintEnd_toStartOf="@id/tvTime" />

    <TextView
        android:id="@+id/tvTime"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="12dp"
        android:maxLines="1"
        android:text="Time"
        android:textAppearance="@style/TextAppearance.AppCompat.Small"
        app:layout_constraintBottom_toBottomOf="@id/tvFrom"
        app:layout_constraintEnd_toEndOf="parent" />

    <ImageView
        android:id="@+id/ivAttachments"
        android:layout_width="21dp"
        android:layout_height="21dp"
        android:layout_marginStart="6dp"
        android:src="@drawable/baseline_attachment_24"
        app:layout_constraintBottom_toBottomOf="@id/tvSubject"
        app:layout_constraintStart_toEndOf="@id/vwColor"
        app:layout_constraintTop_toTopOf="@+id/tvSubject" />

    <TextView
        android:id="@+id/tvSubject"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginEnd="6dp"
        android:layout_marginStart="6dp"
        android:ellipsize="end"
        android:maxLines="1"
        android:text="Subject"
        android:textAppearance="@style/TextAppearance.AppCompat.Small"
        app:layout_constraintEnd_toStartOf="@+id/tvFolder"
        app:layout_constraintStart_toEndOf="@id/ivAttachments"
        app:layout_constraintTop_toBottomOf="@id/tvFrom" />

    <TextView
        android:id="@+id/tvFolder"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="6dp"
        android:maxLines="1"
        android:text="folder"
        android:textAppearance="@style/TextAppearance.AppCompat.Small"
        app:layout_constraintBottom_toBottomOf="@id/tvSubject"
        app:layout_constraintEnd_toStartOf="@+id/tvCount" />

    <TextView
        android:id="@+id/tvCount"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="3dp"
        android:maxLines="1"
        android:text="3"
        android:textAppearance="@style/TextAppearance.AppCompat.Small"
        app:layout_constraintBottom_toBottomOf="@id/tvSubject"
        app:layout_constraintEnd_toStartOf="@+id/ivThread" />

    <ImageView
        android:id="@+id/ivThread"
        android:layout_width="15dp"
        android:layout_height="15dp"
        android:layout_marginEnd="12dp"
        android:src="@drawable/baseline_message_24"
        app:layout_constraintBottom_toBottomOf="@id/tvSubject"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="@id/tvSubject" />

    <TextView
        android:id="@+id/tvError"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginEnd="12dp"
        android:layout_marginStart="6dp"
        android:text="error"
        android:textAppearance="@style/TextAppearance.AppCompat.Small"
        android:textColor="?attr/colorWarning"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@id/vwColor"
        app:layout_constraintTop_toBottomOf="@id/tvSubject" />

    <ProgressBar
        android:id="@+id/pbLoading"
        style="@style/Base.Widget.AppCompat.ProgressBar"
        android:layout_width="24dp"
        android:layout_height="24dp"
        android:layout_marginStart="12dp"
        android:indeterminate="true"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <View
        android:id="@+id/marginBottom"
        android:layout_width="match_parent"
        android:layout_height="3dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/tvError" />

    <View
        android:id="@+id/vSeparator"
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:background="?attr/colorSeparator"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/marginBottom" />
</androidx.constraintlayout.widget.ConstraintLayout>