轮播图嵌套在ListView中listView加上滚动监听会报错

[js1121302139]

new ListView( children: <Widget>[ new Container( key: Key('banner'), child: new Swiper( itemBuilder: (BuildContext context, int index) { return images[index]; }, pagination: new SwiperPagination(), itemCount: 3, autoplay: true, autoplayDelay: 5000, layout: SwiperLayout.DEFAULT, scale: 1, ), height: 170.0 + MediaQuery.of(context).padding.top, ), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), new Text('aaaa'), ], ), ScrollController sc = new ScrollController(); @override void initState() { //监听滚动事件，打印滚动位置 sc.addListener(() { _setOpacity(sc.offset); }); super.initState(); }
错误信息：
══╡ EXCEPTION CAUGHT BY SCHEDULER LIBRARY ╞═════════════════════════════════════════════════════════
flutter: The following NoSuchMethodError was thrown during a scheduler callback:
flutter: The method 'findRenderObject' was called on null.
flutter: Receiver: null
flutter: Tried calling: findRenderObject()
flutter:
flutter: When the exception was thrown, this was the stack:
flutter: #0 Object.noSuchMethod (dart:core/runtime/libobject_patch.dart:50:5)
flutter: #1 _TransformerPageViewState._onGetSize (package:transformer_page_view/transformer_page_view.dart:455:41)
flutter: #2 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:990:15)
flutter: #3 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:938:9)
flutter: #4 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:842:5)
flutter: #5 _invoke (dart:ui/hooks.dart:154:13)
flutter: #6 _drawFrame (dart:ui/hooks.dart:143:3)
flutter: ════════════════════════════════════════════════════════════════════════════════════════════════════
flutter: Another exception was thrown: NoSuchMethodError: The method 'findRenderObject' was called on null.
flutter: Another exception was thrown: NoSuchMethodError: The method 'findRenderObject' was called on null.

flutter_swiper: ^1.1.4

[xuelongqy]

https://github.com/xuelongqy/flutter_easyrefresh 这个上边有解决滑动冲突的方案