docs: public void showNotification(Context context, Bundle extras) {
          // parse the title and message from the extras
          String title = getTitle(context, extras);
          String message = getMessage(context, extras);
  
          // if the message is empty, bail
          if (message == null)
              return;
  
          // create the notification
          NotificationManager mNotificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
          long when = System.currentTimeMillis();
  
          NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(context)
                  .setAutoCancel(true)
                  .setSmallIcon(getIcon(context))
                  .setContentTitle(title)
                  .setContentText(message)
                  .setContentIntent(getContentIntent(context, extras, when))
                  .setStyle(new NotificationCompat.BigTextStyle().bigText(message));
  
          // display the notification
          mNotificationManager.notify((int) when, mBuilder.build());
      }