Undefined symbols for architecture armv7 when using ZXing library in Xcode 4.5

Question

What I am trying to do

Integrate Zxing, QR code reader framework, in my iPhone project. I checked out ZXing sdk from here. I ran the sample project coming with ZXi

Answer 1

I solved it by changing one value on the project you dragged and dropped in to xcode.

Set:

Build Active Architecture Only -> Debug -> No

Hope that helps people :)!