File disappears when using NSKeyedArchiver between iOS 3 and iOS 4.0
I tried to save a file in iOS 3.1.3, and I upgraded the OS to iOS 4.0. The file disappeared. I used NSKeyedArchiver and NSKeyedUnarchiver to manipulate the file. ...
I tried to save a file in iOS 3.1.3, and I upgraded the OS to iOS 4.0. The file disappeared. I used NSKeyedArchiver and NSKeyedUnarchiver to manipulate the file. ...