flutter - How to show recent items first?

Question

I've a long list that holds some data, and whenever i add a new item to the list, the item added to the "end of the line".

How do i show the last added item first?

Something like show recent items first

标签： flutterdart

Answer 1

您需要在 0 索引处添加项目，因此使用List.insert方法。

setState(() {
  yourList.insert(0, yourItem);
});

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List.add()是的，和之间有区别List.insert()，前者将项目添加到列表的末尾，然后允许您将项目添加到某个指定的索引处。