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Home/ Questions/Q 6874509
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Editorial Team
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Editorial Team
Asked: May 27, 20262026-05-27T04:12:15+00:00 2026-05-27T04:12:15+00:00

I need to make a QR Reader that has a lotta functionality for the

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I need to make a QR Reader that has a lotta functionality for the iPhone. I wanted to know whether it is legal for me to take the ScanTest sample code from the ZXingWidget example and then make the modifications I need?

Is there any licensing issue that would stop me from doing that ?? Or will I have to start afresh ? This is for an in-company project

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  1. Editorial Team
    Editorial Team
    2026-05-27T04:12:15+00:00Added an answer on May 27, 2026 at 4:12 am

    Did you check out the faq at http://code.google.com/p/zxing/wiki/LicenseQuestions

    Coming from a non-lawyer quoting non-lawyers, you can.

    What Do I Have To Do To Comply?
    We aren’t lawyers, so can’t claim to
    give legal advice. We can reproduce the requirements in the license’s
    “Redistribution” section here for you:

    You must give any other recipients of the Work or Derivative Works a
    copy of this License; and You must cause any modified files to carry
    prominent notices stating that You changed the files; and You must
    retain, in the Source form of any Derivative Works that You
    distribute, all copyright, patent, trademark, and attribution notices
    from the Source form of the Work, excluding those notices that do not
    pertain to any part of the Derivative Works; and If the Work includes
    a “NOTICE” text file as part of its distribution, then any Derivative
    Works that You distribute must include a readable copy of the
    attribution notices contained within such NOTICE file, excluding those
    notices that do not pertain to any part of the Derivative Works, in at
    least one of the following places: within a NOTICE text file
    distributed as part of the Derivative Works; within the Source form or
    documentation, if provided along with the Derivative Works; or, within
    a display generated by the Derivative Works, if and wherever such
    third-party notices normally appear. The contents of the NOTICE file
    are for informational purposes only and do not modify the License. You
    may add Your own attribution notices within Derivative Works that You
    distribute, alongside or as an addendum to the NOTICE text from the
    Work, provided that such additional attribution notices cannot be
    construed as modifying the License. A common way to comply, in a
    product that is delivered only in binary form and not source form
    (e.g. an application download) is to add a mention of the project, and
    link to its license (in our view, a link to the project website is
    ultimately also fine), in a “Help” or “About” screen of the
    application.

    Can This Be Used In Commercial Products?
    The license does not forbid
    this. The license terms still apply, of course.

    Please see below our thoughts on the spirit of the open-source
    license. If you are selling a product based on something that is free,
    it should add to and innovate on this project. Otherwise it is more a
    copy than anything.

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