code: public static Crouton make(Activity activity, View customView, ViewGroup viewGroup) {
      return new Crouton(activity, customView, viewGroup);
    }
docs: Creates a {@link Crouton} with provided text-resource and style for a given
  activity.
  
  @param activity
  The {@link Activity} that represents the context in which the Crouton should exist.
  @param customView
  The custom {@link View} to display
  @param viewGroup
  The {@link ViewGroup} that this {@link Crouton} should be added to.
  
  @return The created {@link Crouton}.