This video shows how to use a ZXing QRCode decoding library in an Augmented Reality application to provide the user with information about people (faculties). Each QRCode encodes a unique room location (office). Information shown in the interface is retrieved from a web server.
The layout of the interface is downloaded from the server also. This way, the user does not need to update the application in her device anytime the user interface is updated. New functionality could be added without updating the application in the mobile device.

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