w = (240 * 160 / 72) = 533
h = (400 * 160 / 72) = 888

<ImageView
    android:id="@+id/my_id"
    android:layout_width="240dp"
    android:layout_height="400dp"
    android:contentDescription="@string/my_image_description"
    android:src="@drawable/my_image"/>