Hi all, Im relatively new to programming, Im wondering if anyone can shed some light on the inner workings of building a Document .

Essentially, I’m referring apps that uses the phone’s camera to take a picture of particular documents, receipts and notes etc… and either save them on the phone or convert them to a different format. Few apps that comes to mind: |
and ’s instant translate function ( which instantly translates text in using camera app)

My question is how exactly do you take the (photo) and save it as a pdf? what are the apple frameworks involved? obviously you need AVFoundation to access the camera, but what’s next? im pretty lost…

I want to be able to take the data (photo), extract the information presented on the photo then present this info in a useful manner.

Thanks for reading!

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