相关疑难解决方法(0)

我想有一个ListView内部NestedScrollView已经SliverAppBar崩溃了.但是,如果我添加一个控制器ListView,它将停止工作(AppBar不会崩溃).这是左边ListView不影响的例子SliverAppBar,但是右边的例子ListView.

import 'package:flutter/material.dart';

void main() {
  runApp(new MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      title: 'Flutter Demo',
      theme: new ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: new MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key}) : super(key: key);

  @override
  _MyHomePageState createState() => new _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  ScrollController scrollController = new ScrollController(); …