iPad app documents folder

Is there a way to tell开发者_如何转开发 iTunes not to backup the contents of the apps documents folder?

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Read this section of Apple's documentation. The folder Documents/ is automatically backed up. If you don't want a file to be backed up, you need to put it in either Library/Caches/ or tmp/.

You can't change behavior of apps if you don't have the source code of the app.