[I'm only now (4-Jun-2013) receiving questions from the end of May. I'm sorry 
if I'm reviving issues that have already had better answers.]

On 29 May 2013, at 10:38 AM, Johannes Kalev <[email protected]> wrote:

> I'm writing an iOS application which is supposed to read QR code from an
> accessory. Currently I'm using camera in such a way that camera preview is
> not displayed to a user while scanning for a QR code on an image received
> from camera.
> 
> I'm wondering if not showing preview of camera to a user can cause an iOS
> app store submission problems?


(I'm assuming "reading a code from an accessory" means that the code is 
presented by the accessory to be read by the device's camera.)

That sort of issue is unpredictable. The guidelines (in paraphrase) say that 
apps with serious usability issues will be rejected. In my experience of QR 
scanner apps, not letting the user see whether the code is properly sized, 
lighted, deskewed, focused, or even on-camera would be a serious usability 
issue.

But that would depend on the inclinations of a particular reviewer on a 
particular day. Reviewers sometimes disregard even explicit guidelines. My 
guess: Expect approval, but reserve time in your schedule to fix it.

        — F


-- 
Fritz Anderson
Xcode 4 Unleashed: 4.5 supplement for free!
http://www.informit.com/store/xcode-4-unleashed-9780672333279


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