Signal-Android/app/src/main/res/layout/v2_media_review_selected_item.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout 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="44dp"
    android:layout_height="44dp"
    android:layout_marginStart="8dp">

    <com.google.android.material.imageview.ShapeableImageView
        android:id="@+id/media_review_selected_image"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:importantForAccessibility="no"
        android:scaleType="centerCrop"
        app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Signal.MediaSelection"
        tools:background="@drawable/test_gradient" />

    <ImageView
        android:id="@+id/media_review_play_overlay"
        android:layout_width="24dp"
        android:layout_height="24dp"
        android:layout_gravity="center"
        android:background="@drawable/circle_tintable"
        android:importantForAccessibility="no"
        app:srcCompat="@drawable/exo_icon_play_ultramarine" />

    <ImageView
        android:id="@+id/media_review_selected_overlay"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:importantForAccessibility="no"
        android:src="@drawable/v2_media_review_selected_item_overlay" />

</FrameLayout>