Can we use all other classes from the Android API in android processing sketches?

I would like to use some classes from the android API in my sketch. I need the Time class and Filewriter class for storing timestamps.

Can i just do

import android.text.format.Time; ?

import java.io.FileWriter;

I can't try this out yet cos i'm still waiting for the SDK to download.

Thanks for the confirmation!

shows me how it's done