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Editorial Team
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Asked: 2026-05-22T12:35:11+00:00

The app works perfectly fine on the simulator and on the device. After adding

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The app works perfectly fine on the simulator and on the device. After adding a new set of images, it started to show on every run, on the simulator and on the device, a class not found exception.

When trying to delete some images to find the cause, I get different classes not found when running. Compiling and packaging the application generates no warning or error. They even get signed. Some of the “classes not found exception” I get:

java.lang.stringbuilder
net.rim.device.api.ui.uiapplication

I am guessing it has something to do with the total image size. The size of each image ranges from 100KB to 300KB, and we are talking of only 25 to 30 images in total. Adding the image outside of the ‘res’ folder doesn’t generate the error, but the image isn’t added to the final files. Deleting the images, the ones just added resolved the issue, but I need those images…

Also, this application is not big, but when compiling, and packaging the app, it generates and signes 125 cod files. Is that normal?

I am using Eclipse 3.6(Helios), and BlackBerry Eclipse Plugin SDK 5.0.0.25 on Win 7

Any help will be appreciated. Thanks.

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1 Answer

  1. Editorial Team

    It turns out this issue was caused because of the total size of my images, which in turn created more then 127 .cod files. Total number of siblings .cod files is 127, my app had that limit, and this is why some essential classes were not included. I still think the blackberry plugin should warn about this, because it showed no error when compiling, packaging and signing the application. Here is the link from the BlackBerry developer support forums where I got this information:

    http://supportforums.blackberry.com/t5/Testing-and-Deployment/The-maximum-size-of-a-BlackBerry-smartphone-application/ta-p/502534

    Since I am used to the iOS world, where I can add whatever I want to the app, and it has virtually no limit on the resources I can add, except to consider that the user would have to wait a good amount of time downloading the app, and the 2GB application size, which, really is a lot for 99% of the apps.

    So for this app what I did was I added only the essential images as compiled resources in the app, and the rest of the images are downloaded automatically when the application launches the first time.

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