如何在颤振中从 ExpansionTile 中删除这条灰线?
代码
ExpansionTile(
title: Text(
"Title",
style: TextStyle(
fontSize: 18.0,
fontWeight: FontWeight.bold
),
),
children: <Widget>[
ListTile(
title: Text(
'data'
),
)
],
),
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