infinity_slider

A infinity slider widget, support infinite scroll and slider nesting .

Installation

Add infinity_slider: ^1.0.0 in your pubspec.yaml dependencies. And import it:

import 'package:infinity_slider/infinity_slider.dart';

How to use

Simply create a InifitySlider widget, and pass the required params:

InfinitySlider(
  items: [1,2,3,4,5].map((i) {
    return new Builder(
      builder: (BuildContext context) {
        return new Container(
          width: MediaQuery.of(context).size.width,
          margin: new EdgeInsets.symmetric(horizontal: 5.0),
          decoration: new BoxDecoration(
            color: Colors.amber
          ),
          child: new Text('text $i', style: new TextStyle(fontSize: 16.0),)
        );
      },
    );
  }).toList(),
  height: 400.0,
  autoPlay: true
)

You can pass the above params to the class. If you pass the height params, the aspectRatio param will be ignore.

Instance methods

You can use the instance methods to programmatically take control of the pageView's position.

.nextPage({Duration duration, Curve curve})

Animate to the next page

.previousPage({Duration duration, Curve curve})

Animate to the previous page

.animateToPage(int page, {Duration duration, Curve curve})

Animate to the other page

.jumpToPage(int page)

jump to the other page

Faq

Can I nest both sliders?

Yes, you can.

InfinitySlider(
    items: [1,2,3].map((int outIndex) {
      return Builder(
        builder: (BuildContext context) {
          return InfinitySlider(
            items: [4,5].map((int innerIndex) {
              return Builder(
                builder: (BuildContext context) {
                  return Container(
                    color: Colors.amber,
                    child: Text("$outIndex-$innerIndex"),
                  );
                },
              );
            }).toList(),
            loop: false,
          );
        },
      );
    }).toList(),
    loop: false,
)

Can I display a dotted indicator for the slider?

Yes, you can.

class InfinityWithIndicator extends StatefulWidget {
  @override
  _InfinityWithIndicatorState createState() => _InfinityWithIndicatorState();
}

class _InfinityWithIndicatorState extends State<InfinityWithIndicator> {
  int _current = 0;

  @override
  Widget build(BuildContext context) {
    return Stack(
      children: [
        InfinitySlider(
          items: child,
          autoPlay: true,
          updateCallback: (index) {
            setState(() {
              _current = index;
            });
          },
        ),
        Positioned(
          top: 0.0,
          left: 0.0,
          right: 0.0,
          child: Row(
            mainAxisAlignment: MainAxisAlignment.center,
            children: map<Widget>(imgList, (index, url) {
              return Container(
                width: 8.0,
                height: 8.0,
                margin: EdgeInsets.symmetric(vertical: 10.0, horizontal: 2.0),
                decoration: BoxDecoration(
                  shape: BoxShape.circle,
                  color: _current == index ? Color.fromRGBO(0, 0, 0, 0.9) : Color.fromRGBO(0, 0, 0, 0.4)
                ),
              );
            }),
          )
        )
      ]
    );
  }
}