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POAndroid move to SD card behavior
 

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    <p>I have an application that downloads most of the resources from the internet during run time. Most of those resources are images.</p> <p>I don't want the user to see those images in the gallery application or in any other application. This requirement is crucial to me since:</p> <ol> <li>I'm tracking which resource was downloaded and which need to be download later.</li> <li>All those resources would be meaningless to the user and would irritate him.</li> <li>I don't want the user or any other application to delete those images</li> </ol> <p>Note: I'm aware to the fact that rooted users can do what ever they want and I don't care that those user will mess up the app.</p> <p>To fulfill those requirements I used the internal storage and it works exactly as I expected and as needed.</p> <p>I do let the user to move my application to the SD card, But:</p> <ol> <li>what is happening to all the files that I saved in the internal storage and to the DB?</li> <li>Are they all moving to the SD card with the application? Do they stay in the internal storage?</li> </ol> <p>I believe that they do stay in the internal storage, but I haven't found any documentation for it.</p> <p>And after I'll understand the behavior it raise few other questions. The only requirement that I have is that the resources would be downloaded from the internet and that the user won't see them in any other application. I don't really care where those files are being saved, I think that if the user decides to move the application to the SD card it is since he has lack of memory in the internal storage, therefor I should transfer all my resources to the SD card.</p> <ol> <li>Can i save something on the SD card without those files to be public for all?</li> <li>What is the best way to handle this situations?</li> <li>What option do I have to handle this situation?</li> <li>Can I know if the app is installed on the SD card or on the internal storage?</li> </ol> <p>I would thank you all for all your insights and recommendations. </p>
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