Android clock seconds hand

Question

I'm new to android development and I was wondering whether it's possible to add a "seconds hand" to the default analog clock in android?

I already have a working clock with a dial, hour and minute hands. I've searched around and I came across some posts stating that you need a service running in the background to update the clock every second. This was for a clock widget though and mines is for an app.

Is there any way it can be done?

Answer 1

Here's how to do it: http://developer.android.com/resources/articles/timed-ui-updates.html

Warning: doing that will drain the battery really fast!