This app allows to quickly toggle any of the system profiles of LineageOS using a widget from the home screen. It only works if you have LineageOS 14 or higher installed in your device. Tested up to LineageOS 18.0.

The functionalities are:

Having the widget in the home screen you know easily which profile is active at any moment.
Customize the icons and colors of the profiles to be shown in the widget.
Get a notification when some special profile is activated. For example, if you have a profil