AFNetworking 2.0 当Deployment Target 低于6.0时,AFURLConnectionOperation.h,AFURLSessionManager.h
@property (nonatomic, strong) dispatch_queue_t completionQueue;
由于sdk低于6.0时,dispatch_queue_t ARC没有托管,出现提示错误
Property with 'retain (or strong)' attribute must be of object type
修改为
#if OS_OBJECT_USE_OBJC @property (nonatomic, strong) dispatch_queue_t completionQueue; #else @property (nonatomic, assign) dispatch_queue_t completionQueue; #endif

本文详细介绍了如何在AFNetworking2.0中解决dispatch_queue_t属性在SDK低于6.0时出现的错误。通过使用条件编译指令,确保属性在不同环境下正确工作。
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