[英]Flutter: Scrolling through widgets list
您只需要考慮 PageView 的頂部 slider ,每 3 個孩子都包裝在自己的父塊中。
這是一個例子:
class SmallSlider extends StatefulWidget {
@override
_SmallSliderState createState() => _SmallSliderState();
}
class _SmallSliderState extends State<SmallSlider> {
final PageController controller = PageController(viewportFraction: 0.9);
@override
Widget build(BuildContext context) {
return AspectRatio(
aspectRatio: 3 / 2,
child: PageView.builder(
controller: controller,
itemCount: 5,
itemBuilder: (context, index) => Row(
children: <Widget>[
for (int i = 0; i < 3; i++)
Expanded(
child: SmallSliderItem(),
),
],
),
),
);
}
}
class SmallSliderItem extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Container(
margin: EdgeInsets.symmetric(horizontal: 5.0),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
AspectRatio(
aspectRatio: 1.0,
child: Container(
decoration: BoxDecoration(
color: Colors.grey,
borderRadius: BorderRadius.circular(10.0),
),
),
),
SizedBox(height: 5.0),
Text('Title'),
SizedBox(height: 5.0),
Text('99 MB'),
],
),
);
}
}
之后,您只需分配一個 viewportFraction 低於 1.0 的 PageController,以便它也會顯示下一個和上一個塊。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.