code: private void initRippleEffectEnabled(TypedArray attrs) {
  		int index = R.styleable.ActionButton_rippleEffect_enabled;
  		if (attrs.hasValue(index)) {
  			rippleEffectEnabled = attrs.getBoolean(index, rippleEffectEnabled);
  			LOGGER.trace("Initialized Action Button Ripple Effect enabled: {}", isRippleEffectEnabled());
  		}
  	}
docs: Initializes the <b>Action Button</b> Ripple Effect state
  
  @param attrs attributes of the XML tag that is inflating the view