Flutter 布局参考手册：Row 和 Column

Row 和 Column

MainAxisAlignment

Row /*或 Column*/( 
  mainAxisAlignment: MainAxisAlignment.start,
  children: <Widget>[
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 50),
  ],
),
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Row /*或 Column*/( 
  mainAxisAlignment: MainAxisAlignment.center,
  children: <Widget>[
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 50),
  ],
),
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Row /*或 Column*/( 
  mainAxisAlignment: MainAxisAlignment.end,
  children: <Widget>[
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 50),
  ],
),
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Row /*或 Column*/( 
  mainAxisAlignment: MainAxisAlignment.spaceBetween,
  children: <Widget>[
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 50),
  ],
),
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Row /*或 Column*/( 
  mainAxisAlignment: MainAxisAlignment.spaceEvenly,
  children: <Widget>[
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 50),
  ],
),
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Row /*或 Column*/( 
  mainAxisAlignment: MainAxisAlignment.spaceAround,
  children: <Widget>[
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 50),
  ],
),
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如果你想要不同字符的基线对齐，你应该使用 CrossAxisAlignment.baseline。

Row(
  crossAxisAlignment: CrossAxisAlignment.baseline,
  textBaseline: TextBaseline.alphabetic,
  children: <Widget>[
    Text(
      'Baseline',
      style: Theme.of(context).textTheme.display3,
    ),
    Text(
      'Baseline',
      style: Theme.of(context).textTheme.body1,
    ),
  ],
),
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CrossAxisAlignment

Row /*或 Column*/( 
  crossAxisAlignment: CrossAxisAlignment.start,
  children: <Widget>[
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 200),
    Icon(Icons.star, size: 50),
  ],
),
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---

Row /*或 Column*/( 
  crossAxisAlignment: CrossAxisAlignment.center,
  children: <Widget>[
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 200),
    Icon(Icons.star, size: 50),
  ],
),
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---

Row /*或 Column*/( 
  crossAxisAlignment: CrossAxisAlignment.end,
  children: <Widget>[
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 200),
    Icon(Icons.star, size: 50),
  ],
),
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---

Row /*或 Column*/( 
  crossAxisAlignment: CrossAxisAlignment.stretch,
  children: <Widget>[
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 200),
    Icon(Icons.star, size: 50),
  ],
),
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---

MainAxisSize

Row /*或 Column*/( 
  mainAxisSize: MainAxisSize.max,
  children: <Widget>[
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 50),
  ],
),
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---

Row /*或 Column*/( 
  mainAxisSize: MainAxisSize.min,
  children: <Widget>[
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 50),
    Icon(Icons.star, size: 50),
  ],
),

作者：Yuqi
链接：https://juejin.im/post/5cfe0d136fb9a07efc497d7d
来源：掘金
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