protected void showProgress() {
   progressHUD =
       KProgressHUD.create(this)
           .setStyle(KProgressHUD.Style.SPIN_INDETERMINATE)
           .setCancellable(false)
           .setAnimationSpeed(2)
           .setDimAmount(0.6f)
           .show();
 }
 protected void dismissProgress() {
   if (progressHUD != null) {
     progressHUD.dismiss();
   }
 }