Socket photoSocket = new Socket(picServerIP, picServerPort);
DataOutputStream dos = new DataOutputStream(photoSocket.getOutputStream());
FileInputStream fis = new FileInputStream(fileEntry.getPath());
int size = fis.available();

byte[] data = new byte[size];

fis.read(data);
dos.writeInt(size);
dos.write(data);

sleep(500);

dos.flush();
dos.close();
fis.close();
photoSocket.close();