Hiding Folders and Files in Android
If you want to hide your videos, photos or any other confidential files in your android phone, So that it does not display your photos and videos in gallery and video player, then follow these steps:
1: Install a file manager in your android phone, Goto Android market and search for file manager and install anyone.
2: Open the file manager and goto the folder which you want to hide. (If you want to hide certain specific files, the put them in a folder).
3: Rename the folder starting with "." Example: If you want to hide the "videos" folder, then rename the folder to ".videos".
4: You are done, ANdroid gallery and video player won't recognize that folder anymore. If you want to unhide it, then rename the folder and remove the "." (dot).