That is a fully working custom set-up with text color changes, etc. Basically, I used the concept that since its a view group(TabWidget) I can manipulate the child elements. If it was just a plain view than you still can grab the object and manipulate.
Why is this important? With iPhone you are limited to the application UI guidelines that Mr Steve jobs wants you to follow. On Android you are not and thus use the look and feel of the application to establish your brand.