NSJSONSerialization crash with Facebook iOS SDK 3.5 -


after updated facebook ios sdk 3.2 3.5 i'm getting error when running app in device ios older 5 (eg 4.3.5).

dyld: symbol not found: _objc_class_$_nsjsonserialization ... expected in: /system/library/frameworks/foundation.framework/foundation

i can avoid crash if set foundation framework optional, don't think best option.

is there way make facebook sdk works in devices ios previous version 5?

from facebook ios sdk changelog v3.5: http://developers.facebook.com/ios/change-log-3.x/

removes support ios 4.* facebook 6.0 dropped support ios 4.x. stay in sync, facebook sdk not support ios 4.x.

so, if update facebook sdk 3.5 lose support ios 4.x


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