How can I store music on my Android phone without letting the user download and use it?

I am working on an application that connects to a media site and downloads mp3 files to the user's phone. I would like the user to not be able to copy these files from the phone, but only listen to them through my application.

I am currently trying to encrypt files using DES, encrypt and decrypt and play the file in bits in the application. This, however, does not work. Is there a better way to achieve my ultimate goal or has anyone else implemented a similar solution?

thank

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DRM.

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Android, . - Android "" Android, .

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Source: https://habr.com/ru/post/1756993/


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