PageIndicator like Instagram written for Flutter

dependencies:
  scrolling_page_indicator: ^0.1.2

import 'package:scrolling_page_indicator/scrolling_page_indicator.dart';

ScrollingPageIndicator(
    dotColor: Colors.grey,
    dotSelectedColor: Colors.deepPurple,
    dotSize: 6,
    dotSelectedSize: 8,
    dotSpacing: 12,
    controller: _controller,
    itemCount: items.length,
    orientation: Axis.horizontal
)