session-android/res/layout/conversation_item_thumbnail.xml

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

    <org.thoughtcrime.securesms.components.ThumbnailView
        android:id="@+id/conversation_thumbnail_image"
        android:layout_width="@dimen/media_bubble_default_dimens"
        android:layout_height="@dimen/media_bubble_default_dimens"
        android:adjustViewBounds="true"
        android:clickable="false"
        android:longClickable="false"
        android:scaleType="fitCenter"
        android:contentDescription="@string/conversation_item__mms_image_description"
        android:visibility="gone"
        tools:visibility="visible"
        app:thumbnail_radius="1dp"/>

    <org.thoughtcrime.securesms.components.AlbumThumbnailView
        android:id="@+id/conversation_thumbnail_album"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:clickable="false"
        android:longClickable="false"
        android:contentDescription="@string/conversation_item__mms_image_description"
        android:visibility="gone"/>

    <ImageView
        android:id="@+id/conversation_thumbnail_shade"
        android:layout_width="match_parent"
        android:layout_height="48dp"
        android:layout_gravity="bottom"
        android:visibility="gone"
        android:src="@drawable/image_shade" />

    <org.thoughtcrime.securesms.components.ConversationItemFooter
        android:id="@+id/conversation_thumbnail_footer"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom"
        android:layout_marginLeft="@dimen/message_bubble_horizontal_padding"
        android:layout_marginRight="@dimen/message_bubble_horizontal_padding"
        android:layout_marginBottom="@dimen/message_bubble_bottom_padding"
        app:footer_text_color="@color/core_white"
        app:footer_icon_color="@color/core_white"/>

</merge>