Can anyone point me in the right direction for information or tutorials for adding a QRcode reader to a native iPhone app?
Thanks in advance.
ZXing (http://code.google.com/p/zxing/) and ZBar (above) are the ones heard about most. ZBar is LGPL 2.1, ZXing is Apache 2.
http://code.google.com/p/zxing/source/browse/trunk/iphone/README describes integrating the provided widget into an Xcode project.