How to use

getListView

method

in

com.jfoenix.controls.JFXListCell

  private double getGap() {
    return (getListView() instanceof JFXListView) ? (((JFXListView<?>) getListView()).isExpanded() ? ((JFXListView<?>) getListView())
      .currentVerticalGapProperty()
      .get() : 0) : 0;
  }
}

listViewProperty().addListener((listObj, oldList, newList) -> {
  if (newList != null) {
    if (getListView() instanceof JFXListView) {
      ((JFXListView<?>) newList).currentVerticalGapProperty().addListener((o, oldVal, newVal) -> {
        cellRippler.rippler.setClip(null);
        if (newVal.doubleValue() != 0) {
          playExpandAnimation = true;
          getListView().requestLayout();
        } else {
          gapAnimation.setOnFinished((finish) -> {
            requestLayout();
            Platform.runLater(() -> getListView().requestLayout());
          });

      ((JFXListView<?>) getListView()).addSublist((JFXListView<?>) newNode, this.getIndex());
      this.getStyleClass().add("sublist-item");
          getListView().setPrefHeight(getListView().getHeight() + newAnimatedHeight + animatedHeight);
          expandAnimation.setOnFinished((finish) -> {
            updateClipHeight(newHeight);
            getListView().setPrefHeight(getListView().getHeight() + newAnimatedHeight);
            animatedHeight = 0;
          });
  setGraphic(null);
boolean isJFXListView = getListView() instanceof JFXListView;
if (isJFXListView && ((JFXListView<?>) getListView()).isShowTooltip()) {
  if (item instanceof Label) {
    setTooltip(new Tooltip(((Label) item).getText()));

  private double getGap() {
    return (getListView() instanceof JFXListView) ? (((JFXListView<?>) getListView()).isExpanded() ? ((JFXListView<?>) getListView())
      .currentVerticalGapProperty()
      .get() : 0) : 0;
  }
}

listViewProperty().addListener((listObj, oldList, newList) -> {
  if (newList != null) {
    if (getListView() instanceof JFXListView) {
      ((JFXListView<?>) newList).currentVerticalGapProperty().addListener((o, oldVal, newVal) -> {
        cellRippler.rippler.setClip(null);
        if (newVal.doubleValue() != 0) {
          playExpandAnimation = true;
          getListView().requestLayout();
        } else {
          gapAnimation.setOnFinished((finish) -> {
            requestLayout();
            Platform.runLater(() -> getListView().requestLayout());
          });

      ((JFXListView<?>) getListView()).addSublist((JFXListView<?>) newNode, this.getIndex());
      this.getStyleClass().add("sublist-item");
          getListView().setPrefHeight(getListView().getHeight() + newAnimatedHeight + animatedHeight);
          expandAnimation.setOnFinished((finish) -> {
            updateClipHeight(newHeight);
            getListView().setPrefHeight(getListView().getHeight() + newAnimatedHeight);
            animatedHeight = 0;
          });
  setGraphic(null);
boolean isJFXListView = getListView() instanceof JFXListView;
if (isJFXListView && ((JFXListView<?>) getListView()).isShowTooltip()) {
  if (item instanceof Label) {
    setTooltip(new Tooltip(((Label) item).getText()));