Here is my 24 hour clock as Widget Project.
i useing a dot for the seconds now and i set the service as foreground.
(it is possible that this Widget drawing also if it is not visible,
i am open for improvements ..)
as the title said, a custom view of my 24 hour clock (just for fun) build into a library.
unzip Clock24.zip into libraries folder or your extra librarys folder,
then refresh library list in ide and select Clock24.
for download link please scroll to 1.04
the idea behind my 24 hour clock view...