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what version of facebook sdk should I get to make my app supported under iOS 4.0 ?I have xcode 4.5.
currently I have facebook sdk 3.1 and it I have tested from iOS 5.0 to 6. But the 4.0 version crashes while showing an error message that uses the FBSession class.
From the reference link below, we can say that
Facebook iOS SDK 3.0 Betasupport iOS 4.0 and later:Will Facebook iOS SDK 3.0 not work on iOS 3.x?
but for Facebook SDK 3.1 for iOS, from the below link:
https://developers.facebook.com/ios/features/whats-new-ios-sdk-3.1/
, it says
Seamless Facebook Login across iOS versions: Lets your app work seamlessly on all iOS versions 4.3+ and easily integrates with the native login support in iOS 6hope it help you.
Update:reference from this link http://www.iphonehacks.com/2012/07/facebook-releases-sdk-3-0-for-ios.html
Improved Facebook APIs support:
Batching for SDK requests, which should significantly improve latency for Facebook API calls.
Facebook SDK 3.0 for iOS also includes support for iOS 6 that will be released later this fall:
After iOS 6 launches to users, the SDK will automatically use the native Facebook Login in iOS 6 when available. Just enable Login with Facebook and
the SDK will ensure your apps work seamlessly on all iOS versions 4.0 and later. The SDK will continue to support the iOS 6 integration in beta until Apple’s user launch later this fall.