在ListTile中删除或设置填充

ListTile(
  title: Text('Title'),
  subtitle: Text('Subtitle'),
  trailing: IconButton(
    icon: Icon(Icons.delete),
    onPressed: () {
      // 删除ListTile中的内容
      setState(() {
        // 将ListTile的内容设置为空
        title = null;
        subtitle = null;
        trailing = null;
      });
    },
  ),
)

ListTile(
  contentPadding: EdgeInsets.only(left: 10),
  title: Text('Title'),
  subtitle: Text('Subtitle'),
  trailing: IconButton(
    icon: Icon(Icons.delete),
    onPressed: () {
      // 删除ListTile中的内容
    },
  ),
)