At 04:13 AM 8/10/2005, you wrote:
Hi all,

I have a custom made application that worked totally fine on Palm OS 4.x up to 5.2. I noticed that on devices with Palm OS 5.4 my application causes Fatal Errors in certain places. Generally it works fine in 90% of its functionality. I was trying to find any document or information about changes between version 5.2 and 5.4 but I failed.

Can somebody tell me what could be the reason that my application works fine under Palm OS 5.2 but fails under 5.4. If there is any documentation about changes in API and migration watchouts (like it was between 4.x and 5.x version) where can I find it?

It's likely that your problems aren't with new APIs in OS 5.4 but with the change to NVFS (non-volatile file system) that most OS 5.4 devices are using. There's been plenty of discussion in the forum archives about NVFS -- use the search function to find them and review.


-- Ben Combee, Senior Software Engineer, palmOne, Inc.
   "Combee on Palm OS" weblog: http://palmos.combee.net/
   Developer Forum Archives:   http://news.palmos.com/read/all_forums/


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