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Editorial Team
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Asked: 2026-05-19T15:23:44+00:00

I know there are a lot of posts about storing images on disk, both

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I know there are a lot of posts about storing images on disk, both for Android and iPhone. What I would like to know is how to hide these files from user (disable access from both device itself and PC sd-card reader).

I want my app to download copyrighted images that should be only accessed using my application.

  • Android & iPhone,
  • multiple images (I’m guessing around 50-200, maybe more)
  • image size +/- 150-300 KB, various size but less than 1000×1000.
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1 Answer

  1. Editorial Team

    You can encrypt the downloaded bytes and then save it with any of your own format file extension. Then save it on your disk. While Reading Decrypt the data and use it accordingly.

    This the only way i think to implement this. Hope it helps 🙂

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