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Editorial Team
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Asked: 2026-05-26T18:44:03+00:00

I am looking for a reliable way to get a notification if the user

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I am looking for a reliable way to get a notification if the user has modified the contents of the document directory via itunes file sharing while the app is running.

I rather not use 

- (void)applicationDidBecomeActive:(UIApplication *)application

because this is not reliable with iOS 5 because you can change the documents directory without this method being called..

I have also looked into Apple’s DirectoryWatcher class and found that it does not work on iOS 4.3 and later.

Edit:
As per the answer below this DirectoryWatcher does infact work, i had just missed that it is by default autoreleased.

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1 Answer

  1. Editorial Team

    Apple’s DirectoryWatcher looks good. I haven’t fully tested it but from a cursory look…

    You have to upgrade it to iOS5 – but XCode prompts you to do this. This results in a project with one error which can be resolved by adding the QLPreviewControllerDelegate to DITableViewController interface.

    @interface DITableViewController : UITableViewController <QLPreviewControllerDataSource,
                                                      DirectoryWatcherDelegate,QLPreviewControllerDelegate,
                                                      UIDocumentInteractionControllerDelegate>
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