And the answers to them, posted here and there by senior Android engineers.
Over at Stack Overflow, our own Dianne Hackborn takes this up in detail. There's no simple answer, but Dianne does offer lots of useful information.
This one does have a simple answer, and our Romain Guy offers it in ScrollView’s handy trick. It's easy enough to do once you know how, which is harder to find out than you might think, because there's one useful XML attribute that's there in the examples but missing in the docs. Oops!