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Talk:Get EXIF GPS data to use it in QML

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Hamishwillee - Feedback

Thank you for this article - I think ability to get the information is quite useful, and I didn't know there was a Symbian C++ library for this.

Some suggestions:

  1. The pattern you're using here to abstract the Symbian detail is called PIMPL. Its probably worth saying this, and possibly linking to Using Qt and Symbian C++ Together for further examples (as a SeeAlso)
  2. In your implementation you've called "QT_TRYCATCH_LEAVING(emit iPublicAPI.gpsPosition(error,m_longitude,m_latitude);)" however there is no signal gpsPosition in the public API.
  3. In your main item you've declared ExifItem but there is no implementation information. There is no information on how this plugin is made available to QML. There is no information on how this is used.
  4. Is GPS information always in the same format? Does anything special need to be done
  5. It is worth linking to references you use - in this case a link to the Symbian library and any guide on using it in the API reference.
  6. The example is not mentioned until the last section - it just looks a bit odd like that.
I'll try subedit this. Can you add more of the above information first?

hamishwillee 09:41, 16 May 2012 (EEST)

Jupaavola - Thanks for feedback

Heavy editing

jupaavola 14:23, 22 May 2012 (EEST)


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