Are AFNetworking success/failure blocks invoked on the main thread?

Question

Does AFNetworking call the completion block on the main thread? or is it called in the background, requiring me to manually dispatch my UI updates to the main thread?

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Answer 1

In AFNetworking 2, AFHTTPRequestOperationManager has a completionQueue property.

The dispatch queue for the completionBlock of request operations. If NULL (default), the main queue is used.

    #if OS_OBJECT_USE_OBJC
    @property (nonatomic, strong, nullable) dispatch_queue_t completionQueue;
    #else
    @property (nonatomic, assign, nullable) dispatch_queue_t completionQueue;
    #endif

In AFNetworking 3, the completionQueue property has been moved to AFURLSessionManager (which AFHTTPSessionManager extends).

The dispatch queue for completionBlock. If NULL (default), the main queue is used.

@property (nonatomic, strong) dispatch_queue_t completionQueue;
@property (nonatomic, strong, nullable) dispatch_queue_t completionQueue;