Where to store data for iOS Development?

Question

I'm building an app where I need to save a text file of JSON with user generated data.

I've been reading a few things on the Internet and it seems that the <Application_Home>/Documents directory is the best place to write the file without running into any problems with Apple. I've also seen things where I need use of a Native Extension. All in all, I'm a bit unsure since a lot of those articles are over a year old and Adobe has no documentation for this that I know of. So, can anyone clarify a best practice for saving text files?

ChristopherTotty · Answer

If you need this data at all times and it cannot be regenerated in some way, then you should store the data in the Application Support directory. However, after the introduction of iCloud, Apple has been rejecting apps which use this directory. This may just be a "shoot first and question later" approach, so you could work with your reviewer to get the app accepted using this directory without a native extension.

However, many developers are finding that they must mark the files in this location as DoNotBackup, per Apple's newest specifications. This will mean that the files will not be sent to iCloud, and it will be your responsibility to maintain their content on a web server, etc. as needed. This may not be necessary if your user does not expect for data to be held through an uninstall/reinstall process or something similar.

In order to meet Apple's requirements, a native extension is needed at this time. More information can be found in this thread: http://forums.adobe.com/message/4463973

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