结合scroll_to_index使用，报错 #465
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试试新版本的,这个错误已经修复了的 |
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试试新版本的,这个错误已经修复了的 |
I/flutter ( 4040): ══╡ EXCEPTION CAUGHT BY FOUNDATION LIBRARY ╞════════════════════════════════════════════════════════
I/flutter ( 4040): The following assertion was thrown while dispatching notifications for ValueNotifier:
I/flutter ( 4040): Looking up a deactivated widget's ancestor is unsafe.
I/flutter ( 4040): At this point the state of the widget's element tree is no longer stable.
I/flutter ( 4040): To safely refer to a widget's ancestor in its dispose() method, save a reference to the ancestor by
I/flutter ( 4040): calling dependOnInheritedWidgetOfExactType() in the widget's didChangeDependencies() method.
I/flutter ( 4040):
I/flutter ( 4040): When the exception was thrown, this was the stack:
I/flutter ( 4040): #0 Element._debugCheckStateIsActiveForAncestorLookup. (package:flutter/src/widgets/framework.dart:3906:9)
I/flutter ( 4040): #1 Element._debugCheckStateIsActiveForAncestorLookup (package:flutter/src/widgets/framework.dart:3920:6)
I/flutter ( 4040): #2 Element.ancestorStateOfType (package:flutter/src/widgets/framework.dart:4026:12)
I/flutter ( 4040): #3 SmartRefresher.ofState (package:pull_to_refresh/src/smart_refresher.dart:277:21)
I/flutter ( 4040): #4 RefreshIndicatorState._handleModeChange (package:pull_to_refresh/src/internals/indicator_wrap.dart:244:24)
I/flutter ( 4040): #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:226:25)
I/flutter ( 4040): #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:292:5)
I/flutter ( 4040): #7 IndicatorStateMixin.initState (package:pull_to_refresh/src/internals/indicator_wrap.dart:651:59)
I/flutter ( 4040): #8 GifHeaderState.initState (package:connect/ui/view/gif_header.dart:28:11)
I/flutter ( 4040): #9 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4765:58)
I/flutter ( 4040): #10 ComponentElement.mount (package:flutter/src/widgets/framework.dart:4601:5)
I/flutter ( 4040): #11 Element.inflateWidget (package:flutter/src/widgets/framework.dart:3569:14)
I/flutter ( 4040): #12 MultiChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:6236:32)
I/flutter ( 4040): #13 _ViewportElement.mount (package:flutter/src/widgets/viewport.dart:225:11)
如果把listview中的controller去掉，就没问题不报错了，但存在时为什么会报这个错误？
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