IMPORTANT: Applications with identical creator IDs cannot coexist on the same handheld; during installation the new application will replace the existing application that possesses the same creator ID. Further, the new application could well corrupt any databases that were associated with the preexisting application. For this reason, all applications should have their own unique creator ID.
The doc - Palm OS Companion says like above, but I made test, the result was that both of two applications with same creator ID and different file names really exist there. Maybe it's a joke from Palm OS!^_^
Best Regards, --------------------------------- Huiqiang Zhang Mail: [EMAIL PROTECTED] --------------------------------- Firma Hoffrichter GmbH Mettenheimer Strasse 12/14 19061 Schwerin www.hoffrichter.de
----- Original Message ----- From: "Mark Chauvin" <[EMAIL PROTECTED]>
To: "Palm Developer Forum" <[email protected]>
Sent: Wednesday, January 26, 2005 4:55 PM
Subject: Re: Multiple program versions
The creator ID is the same. I did change the version string in Constructor. I renamed the file to keep track of which version was which. I figured Palm Desktop would delete the older .prc file when I installed the new one, but they're both there in the backup directory. How does it know which file to restore to the handheld after a hard reset? Or does it do both?
--- Steven Fisher <[EMAIL PROTECTED]> wrote:
Huiqiang Zhang wrote: > Did you changed the program's CreatorID or TypeID? Normally if a new > version of a program is installed, and it has the same TypeID as the old > version program which still exist in the device, then the Palm OS will > replace the old version of the program. So if you make all the versions > of your program always with the same TypeID and CreatorID, everything > will be OK!
What if the file names vary, i.e. if the PRC is actually called Program_v1.0.prc vs. Program_v1.1.prc?
(No, I don't put version numbers in the name, but it seems to be something the OP might have been doing. Maybe I misunderstood.)
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