Crash

[mn288]

While on iPad simulator I received this crash:

*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[__NSOperationInternal _start:]: something is trying to start the receiver simultaneously from more than one thread'
*** First throw call stack:
(
0 CoreFoundation 0x0000000113438b0b __exceptionPreprocess + 171
1 libobjc.A.dylib 0x0000000112e9d141 objc_exception_throw + 48
2 CoreFoundation 0x00000001134a1625 +[NSException raise:format:] + 197
3 Foundation 0x00000001129a5599 -[_NSOperationInternal start:] + 277
4 Toaster 0x00000001109aefc4 TFC7Toaster5Toast5startfT_T + 132
5 Toaster 0x00000001109af2ac TFFC7Toaster5Toast5startFT_T_U_FT_T + 108
6 Toaster 0x00000001109af2f7 TTRXFo___XFdCb + 39
7 libdispatch.dylib 0x00000001144574a6 _dispatch_call_block_and_release + 12
8 libdispatch.dylib 0x000000011448005c _dispatch_client_callout + 8
9 libdispatch.dylib 0x000000011446140b _dispatch_main_queue_callback_4CF + 411
10 CoreFoundation 0x00000001133fd909 CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE + 9
11 CoreFoundation 0x00000001133c3ae4 __CFRunLoopRun + 2164
12 CoreFoundation 0x00000001133c3016 CFRunLoopRunSpecific + 406
13 GraphicsServices 0x0000000115dc8a24 GSEventRunModal + 62
14 UIKit 0x0000000110a0b0d4 UIApplicationMain + 159
15 carpolo 0x000000010b4485b7 main + 55
16 libdyld.dylib 0x00000001144cc65d start + 1
17 ??? 0x0000000000000008 0x0 + 8
)
libc++abi.dylib: terminating with uncaught exception of type NSException

[devxoul]

@mn288, can you reproduce the bug?

[mn288]

not really, its completely random, but at least I got this capture.
It has been driving me crazy.

This is what I can help you with:

I have callbacks from the server, I have a tabbar controller with 3 views, if I switch between them all, sometimes it crashes and sometimes it doesn't.

[devxoul]

@mn288, hmm. Was that on main thread?

[mn288]

the Toast? I don't call it from main thread or anything, I call it from the view after creating an extension calling it like

self.view.displayToast("Some Message")

where displayToast is an extension of UIVIew as follows

extension UIView{
    
    
    func displayToast(_ message: String){

        ToastCenter.default.cancelAll()
        ToastView.appearance().cornerRadius = 5
        Toast(text: message).show()
     }
}

[devxoul]

@mn288, I think #110 could resolve this issue but I'm not 100% sure because I couldn't reproduce it. 🤔

[devxoul]

I just released 2.0.4. Please reopen this issue if this issue still occurs :)

[mn288]

Trying it now. Thanks :) ill reopen this issue if the problem remains