flutter_swiper：Another exception was thrown: ScrollController attached to multiple scroll views.

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Another exception was thrown: ScrollController attached to multiple scroll views.

翻译一下：引发了另一个异常：ScrollController连接到多个滚动视图。

Flutter Swiper是一个轮播图组件，内部包含一个Widget List，当这个Widget List数量大于1，就可能会有这种情况

解决方案：给Swiper加一个Key即可解决

原有代码

 return Container(
      child: AspectRatio(
        aspectRatio: 1.5 / 1, // 宽高比450/300
        child: Swiper(
          itemBuilder: (BuildContext context, int index) {
            return new Image.network(
              imgList[index]['url'],
              fit: BoxFit.fill,
            );
          },
          itemCount: imgList.length,
          pagination: new SwiperPagination(),
          control: new SwiperControl(),
          autoplay: true,
        ),
      ),
    );

更新代码

 return Container(
      child: AspectRatio(
        aspectRatio: 1.5 / 1, // 宽高比450/300
        child: Swiper(
          key: UniqueKey(), // 这个必须添加，代表唯一
          itemBuilder: (BuildContext context, int index) {
            return new Image.network(
              imgList[index]['url'],
              fit: BoxFit.fill,
            );
          },
          itemCount: imgList.length,
          pagination: new SwiperPagination(),
          control: new SwiperControl(),
          autoplay: true,
        ),
      ),
    );

大功告成！！

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