我有一个弹性列表，没什么花哨的：
<s:List id="list" left="0" right="0" top="0" bottom="0" borderVisible="false"
dataProvider="{data}" labelField="1" textAlign="left"
itemRenderer="MXML.ItemRenderers.ListItemRenderer" horizontalScrollPolicy="off">
<s:layout>
<s:VerticalLayout horizontalAlign="left"/>
</s:layout>
</s:List>
以下 ActionScript 代码片段用于在内容不适合可见区域时自动滚动到列表底部。请注意，在任何给定时间仅使用这些代码片段中的 1 个，但它们具有相同的效果。
代码片段 1：
list.validateNow();
list.ensureIndexIsVisible(data.length-1);
代码片段 2：
list.validateNow();
list.layout.verticalScrollPosition += list.layout.getVerticalScrollPositionDelta(NavigationUnit.END);
问题是这些代码片段没有完全滚动到列表底部。为了说明这一点，我附上了一张图片：执行上述代码片段后列表中的结果（它们都给出相同的结果）。
对于此问题的任何帮助，我们将不胜感激。
I have a flex list, nothing fancy:
<s:List id="list" left="0" right="0" top="0" bottom="0" borderVisible="false"
dataProvider="{data}" labelField="1" textAlign="left"
itemRenderer="MXML.ItemRenderers.ListItemRenderer" horizontalScrollPolicy="off">
<s:layout>
<s:VerticalLayout horizontalAlign="left"/>
</s:layout>
</s:List>
The following ActionScript code snippets are used to automatically scroll to the bottom of the list when the content does not fit in the visible area. Note that only 1 of these code snippets is used at any given time, but they both have the same effect.
Snippet 1:
list.validateNow();
list.ensureIndexIsVisible(data.length-1);
Snippet 2:
list.validateNow();
list.layout.verticalScrollPosition += list.layout.getVerticalScrollPositionDelta(NavigationUnit.END);
The problem is that these snippets do not scroll completely to the bottom of the list. To illustrate this, I have attached an image: the result on the list after the execution of the above snippets (they both give the same result).
Any help with this problem would be appreciated.
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评论（1）
滚动到列表底部可能很棘手，尤其是当渲染器具有不同高度时，请参阅此博客文章以获取如何完成此操作的示例：http://flexponential.com/2011/02/13/scrolling-to-the-bottom-of-a-spark-list/
Scrolling to the bottom of a List can be tricky especially when renderers are of different heights, see this blog post for an example of how to accomplish this: http://flexponential.com/2011/02/13/scrolling-to-the-bottom-of-a-spark-list/