How to scan a QR Code in Swift 4 and Xcode 9.4

I have a project that needs to do scan QR Code. After i searched on the internet i found a good library that is suitable for my project.

I have changed a little bit the code because the torch is not working. I don't change the code in library but implement / override it.

I don't use pod to add QRCodeReader but include it in my project. Because maybe i need to modify the layout.

link QRCode Reader on github :

If you have any question please feel free to ask. Thanks.

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