This chapter focused on two rather distinct concepts—how to use the GPS to get location info and how to use an advanced project type, the alternate entry point project. While these topics didn't really go together, they are important in their own right for making applications.
After completing this chapter, you should understand:
The basics of how the Global Position System works
The three methods that a BlackBerry handheld can get location information
How the
Criteriaclass is used to specify which method you want to useHow to get coordinates using the
LocationAPIWhat an alternate entry point project is and how it differs from a normal project
How the static
mainmethod can be expanded to do different things for different entry points
It's been a wonderful and exciting journey so far, but there is still one more topic left to cover. Eventually, you will want to release your application for other people to use. You will need to put the finishing touches on that application first, and...