iOS 8 - FileStream throwing error 2038 on open for write?

Hey all,.

Through iOS compatibility 8 checks with our Adobe AIR application (tested with AIR 13 and 14 of the AIR), I notice changes to the file storage.

In short, my code has always been so to simply store a player profile file (correspondence documentation iOS for FAS as I know: File System Programming Guide: basics of file system). And it worked well to avoid the purges when the unit is low on storage as well as data maintaining it during the update of the app.

This code doesn't seem to work for iOS 4 iOS 7:

var storagePath:File = new File(File.applicationDirectory.nativePath + "/\.\./Documents");

try
{
     var targetFile:File = storagePath.resolvePath("profile.bin");
     var stream:FileStream = new FileStream();
     stream.open(targetFile, FileMode.WRITE);
     stream.writeBytes(<byteArray here>, 0, 0);
     stream.close();
}
catch (err:Error)
{
     <informs user something went wrong, retries, etc. basic error handling>
}

This running on iOS 8 will always throw a SecurityError (#2038) of stream.open.

Now, we can still save the data and solve this problem by replacing the first line by:

var storagePath:File = new File(File.applicationStorageDirectory.nativePath);

But it leaves me with a few things, in descending order of importance:

(1) reading something like that scares me because our game has a large amount of daily players: 'I use applicationStorageDirectory to store files. The problem is that these files are deleted when the user updates his approx... " (AIR App Apple data storage directives compliance, last comment)

(2) what has changed in the iOS file system 8 which my original code suddenly fails? Apple Developer documentation is still describing this must be valid. Is this a possible AIR bug?

(3) I guess I need to define indicators of "do not backup" on registration to the appStorageDir files?

(4) is anyone else running into this?

Thanks in advance!

Does make a difference if you replace:

var storagePath:File = new File (File.applicationDirectory.nativePath + "/ \.\./Documents");

with:

var storagePath:File = File.documentsDirectory;

You should really use File.documentsDirectory and not this hypothesis on foot of a relative path to File.applicationDirectory anyway.

Tags: Adobe AIR

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