Hide My Files from Another Application

In my application i m downloading some (mp4 or mp3 ) files from the internet. Now i want to 开发者_如何转开发hide those files from any other application like(Astro any Music player) so how can i do this ?

Please help me....

Create a file called ".nomedia" in the folder where you are storing your downloaded files. Well behaved apps should now ignore your content.

if you save the files in your application space, it will automatically be hidden from all other applications.