CardView - media 1:1, primary text, subtext and actions

item_media1x1_primarytext_subtext_actions.xml

<android.support.v7.widget.CardView
    xmlns:android="http://schemas.android.com/apk/res/android"
    style="@style/CardView.Light"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_marginTop="8dp"
    android:layout_marginStart="8dp"
    android:layout_marginEnd="8dp">

    <android.support.constraint.ConstraintLayout
        xmlns:app="http://schemas.android.com/apk/res-auto"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <ImageView
            android:id="@+id/media_image"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:scaleType="centerCrop"
            app:layout_constraintDimensionRatio="H,1:1"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent" />

        <View
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:background="#7F000000"
            app:layout_constraintTop_toTopOf="@+id/top_space"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintBottom_toBottomOf="parent" />

        <Space
            android:id="@+id/top_space"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="24dp"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintBottom_toTopOf="@+id/primary_text"/>

        <TextView
            android:id="@+id/primary_text"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginStart="16dp"
            android:layout_marginEnd="16dp"
            android:textAppearance="@style/TextAppearance.AppCompat.Headline"
            android:textColor="#FFFFFFFF"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintBottom_toTopOf="@+id/sub_text"/>

        <TextView
            android:id="@+id/sub_text"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginStart="16dp"
            android:layout_marginEnd="16dp"
            android:layout_marginBottom="16dp"
            android:textAppearance="@style/TextAppearance.AppCompat.Body1"
            android:textColor="#B3FFFFFF"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintBottom_toTopOf="@+id/action_button_1" />

        <Button
            style="@style/Widget.AppCompat.Button.Borderless"
            android:id="@+id/action_button_1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="8dp"
            android:minWidth="0dp"
            android:paddingStart="8dp"
            android:paddingEnd="8dp"
            android:textColor="#FFFFFFFF"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintBottom_toBottomOf="parent" />

        <Button
            style="@style/Widget.AppCompat.Button.Borderless"
            android:id="@+id/action_button_2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="8dp"
            android:minWidth="0dp"
            android:paddingStart="8dp"
            android:paddingEnd="8dp"
            android:textColor="#FFFFFFFF"
            app:layout_constraintTop_toTopOf="@+id/action_button_1"
            app:layout_constraintStart_toEndOf="@+id/action_button_1" />

    </android.support.constraint.ConstraintLayout>

</android.support.v7.widget.CardView>