Palm OS Programming, 2nd Edition

Modifying the Sample Application

Now that you have your development environment and tools working and have successfully downloaded and run the sample application on both a handheld and POSE, it is time to modify some things. In order to get some practice making changes to the application and rebuilding, we have four different changes we’d like you to make to the sample:

• Change the application name.

• Change the location of a button.

• Register the creator ID and change to appropriate settings.

• Add a second button that beeps.

As you might have expected, the changes move from easier to more difficult.

Change the Application Name

The task at this point is to change the application name that appears in the Application launcher from Starter to Hello. Here are the steps you take:

1. In Resources.rcp, change the following line:

   APPLICATIONICONNAME 1000 "Starter"

   to:

   APPLICATIONICONNAME 1000 "Hello"

2. Make the application (which should cause PilRC to run and the PRC to be rebuilt).

3. Load the application on the handheld or POSE to see the changed icon name (see Figure 4-30).

Figure 4-30. Name changed in the Application launcher

Change the Location of a Button

Now, it time to change the location of the Goto Second Form button so that it’s up and to the left of where it was originally located. Here are the steps:

1. Open Resources.rcp, and change the following lines (we’re changing the top-left coordinates of the Goto ...