颤动对齐按钮到抽屉底部 [英] Flutter align button to bottom of Drawer

问题描述

我正在尝试使Widget与NavDrawer的底部对齐，同时仍将DrawerHeader和列表保留在Drawer的顶部。这是我正在尝试的：

I'm trying to have a Widget align to the bottom of my NavDrawer while still keeping a DrawerHeader and a list at the top of the Drawer. Here's what I'm trying:

drawer: new Drawer(
    child: new Column(
      mainAxisSize: MainAxisSize.max,
      children: <Widget>[
        new Text('Top'),
        new Align(
          alignment: FractionalOffset.bottomCenter,
          child: new Text('Bottom'),
        ),
      ],
    ),
  ),

底部文本应与抽屉底部对齐，但不是！

The bottom text should be aligned to the bottom of the drawer, but It isn't!

推荐答案

您需要将 Align 小部件包装在 Expanded 中。

You need to wrap your Align widget in Expanded.

drawer: Drawer(
  child: Column(
    mainAxisSize: MainAxisSize.max,
    children: <Widget>[
      Text('Top'),
      Expanded(
        child: Align(
          alignment: Alignment.bottomCenter,
          child: Text('Bottom'),
        ),
      ),
    ],
  ),
),

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