ByteDAO

make byte DAO object like

ByteDAO byteDAO = new ByteDAO(this, GRepo.Mode.LOCAL);

Modes :LOCAL,EXTERNAL,CACHE
local: app privete storage (user and other apps can not access)
external: root of public storage (user and other apps can access)
cache: files in this mode will be removed by cleaner apps

for Saving:

byteDAO.Save("test", YourByteArray);

for Loading:

byte[] loadedByte = byteDAO.Load("test");

for removing:

byteDAO.Remove("test");

for get list of saved bytes

List<File> files = byteDAO.GetAll();

for remove all saved bytes:(be careful when you are using this on EXTERNAL mode)

byteDAO.RemoveAll();