Can using iOS camera without preview, cause app store submission problem?

  • Hi,

    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?

    Thanks in advance,
    Johannes
  • [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 <johannes.kalev80...> 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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