Challenge: Add a Previous Button

Add a button that the user can press to go back one question. The UI should look something like Figure 2.13.

Figure 2.13  Now with a previous button!

Now with a previous button!

This is a great challenge. It requires you to retrace many of the steps in these two chapters.

Get Android Programming: The Big Nerd Ranch Guide, 4th Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.