一个固定高度的行，通常包含一些文本，以及一个行前或行尾图标。
构造方法
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const ListTile({
Key key,
this.leading,
this.title,
this.subtitle,
this.trailing,
this.isThreeLine = false,
this.dense,
this.contentPadding,
this.enabled = true,
this.onTap,
this.onLongPress,
this.selected = false,
})
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leading
最左侧的头部，参数是一个widget,(这里以icon为例)
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new ListTile(leading: new Icon(Icons.cake),)
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title
控件的title(参数是widget,这里text为例)
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ListTile(
leading: new Icon(Icons.cake),
title: new Text('标题'),
)
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subtitle
富文本标题
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ListTile(
leading: new Icon(Icons.cake),
title: new Text('标题'),
subtitle: new Row(
children: <Widget>[
new Text('副标题'),
new Icon(Icons.person)
],
),
)
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trailing
展示在title后面最末尾的后缀组件
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ListTile(
leading: new Icon(Icons.cake),
title: new Text('标题'),
subtitle: new Row(
children: <Widget>[
new Text('副标题'),
new Icon(Icons.person)
],
),
trailing: new Icon(Icons.save),
)
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onTap
点击事件
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onTap: () {
print('点击');
},
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