android/app/src/main/res/layout/fragment_fullscreen_slide.xml

<?xml version="1.0" encoding="utf-8"?>
<ImageView
    android:id="@+id/fullscreen_slide_image"
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/matte_black"
    android:scaleType="fitCenter">
</ImageView>