Application settings...

Hi, guys!

I stored the information of setting up my application using PersistentStore and initialized with the default values during the installation.

If the application is updated, it has the old settings.

But I want to initialize the parameter with the values by default when the application is updated.

Is this possible? How can I solve this problem?

Kind regards

Ricos.

Don't forget that when you update an application, assuming that the persistent classes have not changed while they remain as they are in PersistentStore.  I guess that your application only sets the values by default if there is no persistent version.  Because there is a persistent version at the start of your application up to date, these old settings will remain.

However, if you remove the application, the persistent classes (assuming that they are application-specific), are also deleted.  So the problem you see happen when the application is updated.

To deal with this sort of thing, you can store a 'version' identifier in your persistent class and check this out, when you retrieve your information.  Then you can migrate the persistent storage to the values you want in the new version, if you find the old version of your application stored values.  I don't know that there are other options too...

Tags: BlackBerry Developers

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