You just completed a couple of iterations of a real BlackBerry application, and it's a pretty good one too! The fact that you can do so little work and make such a good application speaks volumes to how powerful the BlackBerry framework is and how much it provides for you.
Specifically, we covered:
We created the project files from scratch and utilized the Eclipse New Java Class dialog to make things a bit easier
We created both an
Applicationand aScreenclass for the new applicationThe default properties were OK, but even this simple change improves the application tremendously
Every application needs an icon in the second iteration; we added one
Now, we did gloss over many things as we sped through the chapter. Many of these will be revisited in later chapters and is just a hint of the depth and power of the development environment.
A couple of those things we glossed over were the screen fields—EditField and LabelField. The next chapter is devoted to going into these field classes...