code: private void initStrokeColor(TypedArray attrs) {
  		int index = R.styleable.ActionButton_stroke_color;
  		if (attrs.hasValue(index)) {
  			strokeColor = attrs.getColor(index, strokeColor);
  			LOGGER.trace("Initialized Action Button stroke color: {}", getStrokeColor());
  		}
  	}
docs: Initializes the stroke color
  
  @param attrs attributes of the XML tag that is inflating the view