Java snippet to extend a FAB

expand_fab.java

    private void setExtended(boolean extended, boolean force) {
        if (isAnimating || (extended && isExtended() && !force)) return;

        ConstraintSet set = new ConstraintSet();
        set.clone(container.getContext(), extended ? R.layout.fab_extended : R.layout.fab_collapsed);

        TransitionManager.beginDelayedTransition(container, new AutoTransition()
                .addListener(listener).setDuration(150));

        if (extended) button.setText(currentText);
        else button.setText("");

        set.applyTo(container);
    }