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afriscic / BarcodeScanning.Native.Maui

Barcode scanning library for .NET MAUI
https://www.nuget.org/packages/BarcodeScanning.Native.Maui
MIT License
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Fix possible NullReferenceException in CaptureDeviceLock on iOS #79

Closed EssentialNRG closed 2 months ago

EssentialNRG commented 2 months ago

Added null coalescing operator in CaptureDeviceLock on iOS to fix a possible NullReferenceException that could be triggered due to a race condition.

Stacktrace:

System.NullReferenceException: Arg_NullReferenceException
  ?, in void CameraManager.CaptureDeviceLock(Action action)+() => { }
  ?, in void DispatchQueue.static_dispatcher_to_managed(IntPtr context)
  ?, in int UIApplication.UIApplicationMain(int, string[], IntPtr, IntPtr)
  ?, in void UIApplication.Main(string[], Type, Type)
  ?, in void Application.Main(string[] args)
  ?, in int UIApplication.UIApplicationMain(int, string[], IntPtr, IntPtr)
  ?, in void UIApplication.Main(string[], Type, Type)
  ?, in void Application.Main(string[] args)