session-android/res/layout/conversation_activity_attachment_editor_stub.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"
             android:id="@+id/attachment_editor"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:gravity="center_horizontal"
             android:background="?android:windowBackground"
             android:visibility="gone">

    <org.thoughtcrime.securesms.components.RemovableEditableMediaView
            android:id="@+id/removable_media_view"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center">

        <org.thoughtcrime.securesms.components.location.SignalMapView
                android:id="@+id/attachment_location"
                android:layout_width="210dp"
                android:layout_height="210dp"
                android:layout_gravity="center_horizontal"
                android:visibility="gone"/>

        <org.thoughtcrime.securesms.components.ThumbnailView
                android:id="@+id/attachment_thumbnail"
                android:layout_width="230dp"
                android:layout_height="150dp"
                android:layout_gravity="center_horizontal"
                android:visibility="gone"
                android:contentDescription="@string/conversation_activity__attachment_thumbnail"
                app:backgroundColorHint="?conversation_background" />

        <org.thoughtcrime.securesms.components.AudioView
                android:id="@+id/attachment_audio"
                android:layout_width="210dp"
                android:layout_height="wrap_content"
                android:visibility="gone"
                android:paddingTop="15dp"
                android:paddingBottom="15dp"
                app:widgetBackground="?conversation_item_bubble_background"
                app:foregroundTintColor="@color/grey_500"
                app:backgroundTintColor="?conversation_item_bubble_background"/>

    </org.thoughtcrime.securesms.components.RemovableEditableMediaView>

</FrameLayout>