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Is application preference stay after remove app, or after reinstall app I get cleared preferences?
I save UUID in preferences and want to know is there will be same UUID if I remove app and reinstall it after long time.
Update:
Is preferences backed up with iCloud and(or) iTunes and restore after reinstall app?
Thanks a lot!
Applications are stored in a sandbox. This means every application has its own directory, its own working space.
In that working space all data of the application gets stored. This includes documents, library files, temporary files, the application bundle, as well as the preferences file.
When a user chooses to delete an app, the whole sandbox gets removed, including those preferences.
You the answer is yes. When a user deletes and reinstals your application, his preferences will be reset.