Question

Example: If I used this, where does the iPhone store the file?

if (![NSKeyedArchiver archiveRootObject:your_object toFile:@"filename.plist"])
   // save failed.

On my mac the filename.plist goes to Macintosh HD directly. No folder. Also, the NSKeyedArchiver doesn’t seem to ask for a path, just for a file name. Strange or not?

And how’s that file backed up with iTunes?

Answer 1

archiveRootObject:toFile: (has been deprecated).
So you should pass it a path instead of just a filename. Otherwise NSKeyedArchiver will assume you want to store it in the root of the devices hard disk.

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Update:

With the data result generated with NSKeyedArchiver, use the Data.write(to:options:) instance method which writes the data object’s bytes to the location specified by a given URL.