TabPageSelector constructor

const TabPageSelector({Key key, TabController controller, double indicatorSize: 12.0, Color color, Color selectedColor })

Creates a compact widget that indicates which tab has been selected.

Implementation 

const TabPageSelector({
  Key key,
  this.controller,
  this.indicatorSize = 12.0,
  this.color,
  this.selectedColor,
}) : assert(indicatorSize != null && indicatorSize > 0.0), super(key: key);