How to encrypt and decrypt a video file in android

Question

I have a question that I want to encrypt the video file when finished playing and after that when user again want to play the same I have to decrypt that. Means I have to encrypt the file at onCompletion of the video and decrypt the video file when want to be playing.

This is for only security reasons that user can not transmit it to another place.

Thanks in advance.

Answer 1

You need not decrypt the video. Here is a third party library to play encrypted videos on the fly.

http://libeasy.alwaysdata.net/network/#encoding

It make the local server and serve the frames of video in chunks to the Videoview.From your app only it can play