SliverList和CustomScrollView滑动到指定item

Posted 2021-10-31 飞翔的熊blabla

import \'package:flutter/material.dart\';
需要引入....
void main() {
  runApp(MaterialApp(
    theme: ThemeData.light(),
    home: Builder(
      builder: (BuildContext context) => Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: <Widget>[
          RaisedButton(
            child: const Text("Not nested - working"),
            onPressed: () {
              Navigator.of(context).push(MaterialPageRoute(
                builder: (BuildContext context) => CustomWidget(nested: false),
              ));
            },
          ),
          RaisedButton(
            child: const Text("Nested - not working"),
            onPressed: () {
              Navigator.of(context).push(MaterialPageRoute(
                builder: (BuildContext context) => CustomWidget(nested: true),
              ));
            },
          ),
        ],
      ),
    ),
  ));
}

class CustomWidget extends StatelessWidget {
  final