Flutter：扩展与灵活 [英] Flutter: Expanded vs Flexible

问题描述

我同时使用了 Expanded 和 Flexible 小部件，它们的工作原理似乎相同。我错过的两者之间有什么区别吗？

I've used both Expanded and Flexible widgets and they seem to work same. Is there any difference between the two that I missed?

推荐答案

Scaffold(
  appBar: AppBar(),
  body: Column(
    children: <Widget>[
      Row(
        children: <Widget>[
          buildExpanded(),
          buildFlexible(),
        ],
      ),
      Row(
        children: <Widget>[
          buildExpanded(),
          buildExpanded(),
        ],
      ),
      Row(
        children: <Widget>[
          buildFlexible(),
          buildFlexible(),
        ],
      ),
    ],
  ),
);

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