code: private void displaySuperToast(SuperToast superToast) {
  
          // Make sure the SuperToast isn't already showing for some reason
          if (superToast.isShowing()) return;
  
          // If the SuperToast is a SuperActivityToast, show it via the supplied ViewGroup
          if (superToast instanceof SuperActivityToast) {
              if (((SuperActivityToast) superToast).getViewGroup() == null) {
                  Log.e(getClass().getName(), ERROR_SAT_VIEWGROUP_NULL);
                  return;
              }
  
              try {
                  ((SuperActivityToast) superToast).getViewGroup().addView(superToast.getView());
  
                  // Do not use the show animation on the first SuperToast if from orientation change
                  if (!((SuperActivityToast) superToast).isFromOrientationChange()) {
                      AnimationUtils.getShowAnimation((SuperActivityToast) superToast).start();
                  }
              } catch (IllegalStateException illegalStateException) {
                  Log.e(getClass().getName(), illegalStateException.toString());
              }
  
              if (!((SuperActivityToast) superToast).isIndeterminate()) {
                  // This will remove the SuperToast after the total duration
                  sendDelayedMessage(superToast, Messages.REMOVE_SUPERTOAST,
                          superToast.getDuration() + AnimationUtils.SHOW_DURATION);
              }
  
          // The SuperToast is NOT a SuperActivityToast, show it via the WindowManager
          } else {
              final WindowManager windowManager = (WindowManager) superToast.getContext()
                      .getApplicationContext().getSystemService(Context.WINDOW_SERVICE);
              if (windowManager != null) {
                  windowManager.addView(superToast.getView(), superToast.getWindowManagerParams());
              }
  
              // This will remove the SuperToast after a certain duration
              sendDelayedMessage(superToast, Messages.REMOVE_SUPERTOAST,
                      superToast.getDuration() + AnimationUtils.SHOW_DURATION);
          }
      }
docs: Try to show the SuperToast. SuperToasts will be shown using the WindowManager while
  SuperActivityToasts will be shown using their supplied ViewGroup.
  @param superToast the SuperToast (or SuperActivityToast) to be shown