SwitchBar

de.dlyt.yanndroid.oneui.widget.SwitchBar

Samsung's SwitchBar, same as the one you find in OneUI System Settings app.

<de.dlyt.yanndroid.oneui.widget.SwitchBar
    android:layout_width="match_parent"
    android:layout_height="wrap_content" />

There is also the SwitchBarLayout, a combination of ToolbarLayout and this SwitchBar.