Store private data on external storage

Question

I need that the files generated by my application don't be accessible by others applications. The problem is that these files are multimedia files (photos, videos, audios ...) and are too large to be stored in the internal memory. Encrypt is not an option because the cost of memory for display in galleries or play would be too high.

Any idea?

Answer 1

This isn't possible. Anything stored on the external storage is potentially accessible by anyone. Unless you encrypt your data it will be readable.