Draw a line. Font: https://stackoverflow.com/questions/3616676/how-to-draw-a-line-in-android
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="@android:color/black" />
<!-- Divider grey -->
<View
android:layout_width="match_parent"
android:layout_height="0.5dp"
android:background="?android:attr/listDivider" />