Getting dyld: Symbol not found: _OBJC_CLASS_$_NSJSONSerialization on IOS4

Question

I get the following error when testing on iOS4:

dyld: Symbol not found: _OBJC_CLASS_$_NSJSONSerialization

While on iOS5 it\'s wo

Answer 1

@hoshi is right. You can't use NSJSONSerialization on devices running older than iOS 5.0.

Here's the documentation from Apple's site. For my own code I also use the SBJson library.