Fixes issue when registered observer is deallocated

gali8 / Tesseract-OCR-iOS

Tesseract OCR iOS is a Framework for iOS7+, compiled also for armv7s and arm64.

http://www.nexor.it

MIT License

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Fixes issue when registered observer is deallocated #303

Closed cldrn closed 7 years ago

cldrn commented 7 years ago

This is problematic as if the object is not unregistered the notification center can still send notification even after the object has been deallocated. In that case we would get a crash.