FloatingMenu mFloatingMenu = new FloatingMenu();

mFloatingMenu.showFloatingMenu(YourActivity.this, parentConstraintLayout, callbacks, demoData(), menuIconPosition, menuItemIconPadding);
mFloatingMenu.setMenuProperties(menuWidth, menuHeight, menuCornerRadius, menuBackgroundColor, menuElevation);
mFloatingMenu.setHeader(headerTitle, headerHeight, headerPadding, headerTitleColor, headerBackgroundColor);

mFloatingMenu.removeMenu();

mFloatingMenu.setHeaderOnClickListener(null);

mFloatingMenu.setHeaderOnClickListener(new View.OnClickListener() {
  @Override
  public void onClick(View view) {
    Toast.makeText(DemoActivity.this, "Menu Header Clicked", Toast.LENGTH_SHORT).show();
    // Do Something ...
  }
});

mFloatingMenu.setCancelable(true);

mFloatingMenu.setCancelableOnTouchOutside(true);