如何在使用ListView.Builder创建列表时隐藏最后一项的分隔符?
很容易为每个项目添加分隔符,但如何逻辑上在列表的最后一个项目中取消分隔符呢?
目前还没有具有实际示例的确切stackoverflow问题来实现此任务。
Widget build(BuildContext context) {
return
ListView.builder(
shrinkWrap: true,
physics: ScrollPhysics(),
itemCount: OffersList.length,
itemBuilder: (context, index) {
Offer item = OffersList[index];
return ListItem(context, item);
},
);
}
Widget ListItem(BuildContext context, Offer item) {
if ( index == OffersList.length - 1) {
dividerChecker = EmptyContainer();
} else {
dividerChecker = Divider();
}
return Column(
children: <Widget>[
OfferListItem(
offerData: item,
status: status,
userType: userType,
),
dividerChecker,
],
);
Solution as suggested:
使用ListView.separator而不是ListView.Builder:
ListView.separated(
separatorBuilder: (BuildContext context, int index) => new Divider(),
shrinkWrap: true,
physics: ScrollPhysics(),
itemCount: OffersList.length,
itemBuilder: (context, index) {
Offer item = OffersList[index];
return offerListItem(context, item);
},
),
Widget offerListItem(BuildContext context, Offer item) {
return Column(
children: <Widget>[
OfferListItem(
offerData: item,
status: status,
userType: userType,
),
],
);