public void showExitMessage() {
   if (!Utils.isDeviceOnline(mActivity)) {
     String title = "Error";
     String message = "You're not connected!";
     String positiveButton = "OK";
     DialogInterface.OnClickListener listener =
         new DialogInterface.OnClickListener() {
           @Override
           public void onClick(DialogInterface dialog, int which) {
             mActivity.finish();
           }
         };
     Utils.showMessage(mActivity, title, message, positiveButton, listener, null);
   }
 }
 public boolean showRefreshDialog() {
   if (mDialog.isShowing()) {
     mDialog.dismiss();
   }
   if (!Utils.isDeviceOnline(mActivity)) {
     mDialog.show();
     return true;
   } else {
     return false;
   }
 }