public void connenctToServer(ServerInfo info) {
   Log.d(TAG, "connenctToServer");
   if (info.getServerType().equals("wifi-direct")) {
     if (mDirectService != null) mDirectService.connectToServer(info);
   } else if (info.getServerType().equals("wifi") || info.getServerType().equals("wifi-ap")) {
     if (mWifiOrAPService != null) mWifiOrAPService.connectToServer(info);
   }
 }