I have successfully uploaded and published my android app + apk expansion file (with format .obb but is actually a .zip) on Google Play. I would like to set up some protection to it. Are there any ways to do it to acheieve this without using external jar classes like zip4j?
In my obb file I have a few videos (of .mp4) that I need to use my mediaplayer to read it. I want to do this so that only my media player can read the obb file.
Thanks.
