运行项目报错 #502
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master分支，请教一下，这是什么导致的 |
|
flutter version v1.7.8解决了 |
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Initializing hot reload... ⡿I/flutter ( 4858): ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
I/flutter ( 4858): The following NoSuchMethodError was thrown building StreamBuilder<Store>(dirty, state:
I/flutter ( 4858): _StreamBuilderBaseState<Store, AsyncSnapshot<Store>>#dbb5e):
I/flutter ( 4858): The getter 'state' was called on null.
I/flutter ( 4858): Receiver: null
I/flutter ( 4858): Tried calling: state
I/flutter ( 4858):
I/flutter ( 4858): Widget creation tracking is currently disabled. Enabling it enables improved error messages. It can
I/flutter ( 4858): be enabled by passing
--track-widget-creationtoflutter runorflutter test.I/flutter ( 4858):
I/flutter ( 4858): When the exception was thrown, this was the stack:
I/flutter ( 4858): #0 Object.noSuchMethod (dart:core-patch/object_patch.dart:50:5)
I/flutter ( 4858): #1 FlutterReduxApp.build. (package:gsy_github_app_flutter/main.dart:66:27)
I/flutter ( 4858): #2 _StoreStreamListenerState.build. (package:flutter_redux/flutter_redux.dart)
I/flutter ( 4858): #3 StreamBuilder.build (package:flutter/src/widgets/async.dart:527:74)
I/flutter ( 4858): #4 _StreamBuilderBaseState.build (package:flutter/src/widgets/async.dart:131:48)
I/flutter ( 4858): #5 StatefulElement.build (package:flutter/src/widgets/framework.dart:4039:27)
I/flutter ( 4858): #6 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3933:15)
I/flutter ( 4858): #7 Element.rebuild (package:flutter/src/widgets/framework.dart:3730:5)
I/flutter ( 4858): #8 StatefulElement.update (package:flutter/src/widgets/framework.dart:4112:5)
I/flutter ( 4858): #9 Element.updateChild (package:flutter/src/widgets/framework.dart:2885:15)
I/flutter ( 4858): #10 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3953:16)
I/flutter ( 4858): #11 Element.rebuild (package:flutter/src/widgets/framework.dart:3730:5)
I/flutter ( 4858): #12 StatefulElement.update (package:flutter/src/widgets/framework.dart:4112:5)
I/flutter ( 4858): #13 Element.updateChild (package:flutter/src/widgets/framework.dart:2885:15)
I/flutter ( 4858): #14 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3953:16)
I/flutter ( 4858): #15 Element.rebuild (package:flutter/src/widgets/framework.dart:3730:5)
I/flutter ( 4858): #16 StatelessElement.update (package:flutter/src/widgets/framework.dart:4008:5)
I/flutter ( 4858): #17 Element.updateChild (package:flutter/src/widgets/framework.dart:2885:15)
I/flutter ( 4858): #18 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3953:16)
I/flutter ( 4858): #19 Element.rebuild (package:flutter/src/widgets/framework.dart:3730:5)
I/flutter ( 4858): #20 StatelessElement.update (package:flutter/src/widgets/framework.dart:4008:5)
I/flutter ( 4858): #21 Element.updateChild (package:flutter/src/widgets/framework.dart:2885:15)
I/flutter ( 4858): #22 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3953:16)
I/flutter ( 4858): #23 Element.rebuild (package:flutter/src/widgets/framework.dart:3730:5)
I/flutter ( 4858): #24 ProxyElement.update (package:flutter/src/widgets/framework.dart:4246:5)
I/flutter ( 4858): #25 Element.updateChild (package:flutter/src/widgets/framework.dart:2885:15)
I/flutter ( 4858): #26 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3953:16)
I/flutter ( 4858): #27 Element.rebuild (package:flutter/src/widgets/framework.dart:3730:5)
I/flutter ( 4858): #28 BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2340:33)
I/flutter ( 4858): #29 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding&WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:701:20)
I/flutter ( 4858): #30 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:285:5)
I/flutter ( 4858): #31 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1033:15)
I/flutter ( 4858): #32 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:975:9)
I/flutter ( 4858): #33 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.scheduleWarmUpFrame. (package:flutter/src/scheduler/binding.dart:784:7)
I/flutter ( 4858): #35 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:382:19)
I/flutter ( 4858): #36 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:416:5)
I/flutter ( 4858): #37 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:172:12)
I/flutter ( 4858): (elided one frame from package dart:async-patch)
I/flutter ( 4858):
I/flutter ( 4858): ════════════════════════════════════════════════════════════════════════════════════════════════════
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