public static String[] getStorageDirectories()
    {
        String[] dirs = null;
        BufferedReader bufReader = null;
        try {
            bufReader = new BufferedReader(new FileReader("/proc/mounts"));
            ArrayList<String> list = new ArrayList<String>();
            list.add(Environment.getExternalStorageDirectory().getPath());
            String line;
            while((line = bufReader.readLine()) != null) {
                if(line.contains("vfat") || line.contains("exfat") ||
                   line.contains("/mnt") || line.contains("/Removable")) {
                    StringTokenizer tokens = new StringTokenizer(line, " ");
                    String s = tokens.nextToken();
                    s = tokens.nextToken(); // Take the second token, i.e. mount point

                    if (list.contains(s))
                        continue;

                    if (line.contains("/dev/block/vold")) {
                        if (!line.startsWith("tmpfs") &&
                            !line.startsWith("/dev/mapper") &&
                            !s.startsWith("/mnt/secure") &&
                            !s.startsWith("/mnt/shell") &&
                            !s.startsWith("/mnt/asec") &&
                            !s.startsWith("/mnt/obb")
                            ) {
                            list.add(s);
                        }
                    }
                }
            }

            dirs = new String[list.size()];
            for (int i = 0; i < list.size(); i++) {
                dirs[i] = list.get(i);
            }
        }
        catch (FileNotFoundException e) {}
        catch (IOException e) {}
        finally {
            if (bufReader != null) {
                try {
                    bufReader.close();
                }
                catch (IOException e) {}
            }
        }
        return dirs;
    }