How to list all files and folders locating on sd card

Question

I have made a program that list all files and folders(f&f) locating on sd card. If i touch one of the list item ( if it is a folder ) then the list shows faf locating on

Answer 1

A simple example

    File Lis=new File("FolderPatch");
    Lis.listFiles(new FilenameFilter() {

        @Override
        public boolean accept(File dir, String filename) {
            Log.e(">>>>", filename+"<<<");
            return false;
        }
    });