Description
Main Thread Checker: UI API called on a background thread: -[UIApplication setNetworkActivityIndicatorVisible:]
PID: 3990, TID: 1151515, Thread name: (none), Queue name: NSOperationQueue 0x1c4a3b0a0 (QOS: UNSPECIFIED), QoS: 0
Backtrace:
4 MSHZManager 0x0000000102a172b4 -[RNFetchBlobNetwork URLSession:task:didCompleteWithError:] + 356
5 CFNetwork 0x0000000181de3990 + 76
6 Foundation 0x00000001820b6e88 + 16
7 Foundation 0x0000000181ff88d0 + 72
8 Foundation 0x0000000181ff7cac + 848
9 libdispatch.dylib 0x000000010470519c _dispatch_client_callout + 16
10 libdispatch.dylib 0x00000001047117cc _dispatch_block_invoke_direct + 232
11 libdispatch.dylib 0x000000010470519c _dispatch_client_callout + 16
12 libdispatch.dylib 0x00000001047117cc _dispatch_block_invoke_direct + 232
13 libdispatch.dylib 0x00000001047116b0 dispatch_block_perform + 104
14 Foundation 0x00000001820b8750 + 376
15 libdispatch.dylib 0x000000010470519c _dispatch_client_callout + 16
16 libdispatch.dylib 0x0000000104712454 _dispatch_continuation_pop + 588
17 libdispatch.dylib 0x0000000104710d44 _dispatch_async_redirect_invoke + 628
18 libdispatch.dylib 0x00000001047167c8 _dispatch_root_queue_drain + 604
19 libdispatch.dylib 0x0000000104716500 _dispatch_worker_thread3 + 136
20 libsystem_pthread.dylib 0x00000001812b3fac _pthread_wqthread + 1176
21 libsystem_pthread.dylib 0x00000001812b3b08 start_wqthread + 4
why?