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The Images are saved as IMG_yyyyMMdd_kkmmssSSS.jpg

Here, the yyyyMMdd part in filenames matches the first half of the photo's EXIFDate/Time data.

Can anyone please help me out with figuring out the rest of the file name and how can I extract this from the photo's EXIF data?

  • Just curious, where did you get the info about the filename format? – Andrew T. Jul 3 '16 at 14:37
  • @AndrewT. I decompiled the apk. – Ashesh Kumar Singh Jul 3 '16 at 16:41
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The format follows the pattern used in DateFormat class from Java/Android. It's:

  1. IMG: constant prefix for Images
  2. yyyyMMdd: date
    • years (4-digit)
    • months (2-digit)
    • days (2-digit)
  3. kkmmssSSS: time
    • hours (2-digit in 24-hour format, from 1-24)
    • minutes (2-digit)
    • seconds (2-digit)
    • milliseconds (3-digit)
| improve this answer | |
  • Thanks for your swift reply. However I have already figured this out. The app uses the SimpleDateFormat class in Java. What I still don't know is that how the values for kkmmssSSS is determined and additionally if it can be found in the photo's EXIF data. I am guessing that it denotes the Date/Time Orignal tag under EXIF. Would be nice if you or anyone else could confirm. – Ashesh Kumar Singh Jul 3 '16 at 16:44
  • I wouldn't know if you hadn't mentioned it in the question. Could you put some example filenames on the question? As for EXIF, I'm afraid I can't help with that since I don't have (photos from) Motorola devices. – Andrew T. Jul 3 '16 at 16:47

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