无限滚动跑马灯

Features

自定义跑马灯
支持：自动滚动、无限循环、自定义跑马的内容。
支持：手势拖拽、点击。

  @override
Widget build(BuildContext context) {
  return Scaffold(
    appBar: AppBar(
      title: Text('无限滚动跑马灯'),
    ),
    body: Column(
      children: [
        Container(
          margin: EdgeInsets.only(top: 20),
          height: 70,
          child: InfiniteMarquee(
            stepOffset: 1,
            itemBuilder: (BuildContext context, int index) {
              /// 自定义控件
              return GestureDetector(
                onTap: () {
                  print('点击了$index');
                },
                child: Container(
                  alignment: Alignment.center,
                  margin: const EdgeInsets.only(right: 10),
                  // padding: EdgeInsets.only(right: 10),
                  width: 90,
                  height: 70,
                  decoration: BoxDecoration(
                    color: index % 2 == 0 ? Colors.red : Colors.blue,
                    borderRadius: BorderRadius.circular(8),
                  ),
                  child: Text('自定义$index'),
                ),
              );
            },
          ),
        ),
      ],
    ),
  );
}