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Canvas doesn't have an "addTransform()" operation #261

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FlutterIssues opened this issue Nov 9, 2015 · 4 comments
Closed

Canvas doesn't have an "addTransform()" operation #261

FlutterIssues opened this issue Nov 9, 2015 · 4 comments
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framework flutter/packages/flutter repository. See also f: labels.

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@FlutterIssues
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Issue by Hixie
Thursday Nov 05, 2015 at 07:34 GMT
Originally opened as https://github.com/flutter/engine/issues/1957


@FlutterIssues FlutterIssues added this to the Blue Sky milestone Nov 9, 2015
@FlutterIssues FlutterIssues added affects: dev experience framework flutter/packages/flutter repository. See also f: labels. labels Nov 9, 2015
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Comment by abarth
Thursday Nov 05, 2015 at 17:18 GMT


http://domokit.github.io/docs/sky/painting/Canvas/concat.html

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Comment by krisgiesing
Thursday Nov 05, 2015 at 17:46 GMT


Method should maybe be called concatMatrix? As it stands it seems like it's concatenating a canvas with a matrix, rather than two matrices.

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Comment by Hixie
Thursday Nov 05, 2015 at 18:15 GMT


oh hey, there it is. oops.

@abarth abarth closed this as completed Nov 18, 2015
dwrobel added a commit to dwrobel/flutter that referenced this issue Sep 20, 2019
Fixes:
flutter: ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
flutter: The following assertion was thrown building ModalBarrier(dirty):
flutter: 'package:flutter/src/widgets/modal_barrier.dart': Failed assertion: line 88 pos 12:
flutter: 'platformSupportsDismissingBarrier != null': is not true.
flutter:
flutter: Either the assertion indicates an error in the framework itself, or we should provide substantially
flutter: more information in this error message to help you determine and fix the underlying cause.
flutter: In either case, please report this assertion by filing a bug on GitHub:
flutter:   https://github.com/flutter/flutter/issues/new?template=BUG.md
flutter:
flutter: Widget creation tracking is currently disabled. Enabling it enables improved error messages. It can
flutter: be enabled by passing `--track-widget-creation` to `flutter run` or `flutter test`.
flutter:
flutter: When the exception was thrown, this was the stack:
flutter: #2      ModalBarrier.build (package:flutter/src/widgets/modal_barrier.dart:88:12)
flutter: #3      StatelessElement.build (package:flutter/src/widgets/framework.dart:4002:28)
flutter: #4      ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3934:15)
flutter: #5      Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: #6      ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: #7      ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: #8      Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #9      Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: #10     SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5129:14)
flutter: #11     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #12     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: #13     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: #14     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: #15     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: #16     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: #17     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: #18     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #19     MultiChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5235:32)
flutter: #20     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #21     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: #22     _TheatreElement.mount (package:flutter/src/widgets/overlay.dart:593:16)
flutter: #23     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #24     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: #25     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: #26     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: #27     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: #28     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: #29     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: #30     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #31     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: #32     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: #33     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: #34     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: #35     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: #36     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #37     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: #38     SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5129:14)
flutter: #39     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #40     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: #41     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: #42     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: #43     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: #44     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: #45     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: #46     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #47     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: #48     SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5129:14)
flutter: flutter#49     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#50     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#51     SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5129:14)
flutter: flutter#52     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#53     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#54     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#55     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#56     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#57     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#58     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#59     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#60     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#61     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#62     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#63     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: flutter#64     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#65     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#66     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#67     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#68     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#69     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#70     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#71     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#72     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#73     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#74     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#75     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#76     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#77     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#78     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#79     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#80     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#81     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#82     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#83     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#84     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#85     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#86     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#87     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#88     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#89     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#90     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#91     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#92     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#93     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#94     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#95     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#96     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#97     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#98     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#99     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#100    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#101    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#102    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#103    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#104    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#105    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#106    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#107    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#108    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#109    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#110    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#111    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#112    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#113    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#114    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#115    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#116    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#117    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#118    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#119    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#120    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#121    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#122    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#123    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#124    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#125    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#126    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#127    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#128    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#129    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#130    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#131    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#132    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#133    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#134    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#135    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#136    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#137    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#138    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
LOG: wayland_display.cc:57: Window resized: 800x600
flutter: flutter#139    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#140    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#141    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#142    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#143    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#144    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#145    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#146    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#147    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#148    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#149    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#150    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#151    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#152    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#153    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#154    StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: flutter#155    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#156    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#157    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#158    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#159    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#160    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#161    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#162    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#163    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#164    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#165    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#166    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#167    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#168    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#169    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#170    SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5129:14)
flutter: flutter#171    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#172    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#173    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#174    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#175    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#176    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#177    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#178    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#179    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#180    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#181    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#182    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#183    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#184    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#185    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#186    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#187    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#188    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#189    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#190    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#191    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#192    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#193    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#194    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#195    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#196    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#197    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#198    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#199    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#200    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#201    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#202    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#203    SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5129:14)
flutter: flutter#204    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#205    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#206    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#207    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#208    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#209    StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: flutter#210    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#211    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#212    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#213    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#214    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#215    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#216    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#217    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#218    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#219    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#220    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#221    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#222    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#223    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#224    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#225    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#226    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#227    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#228    StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: flutter#229    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#230    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#231    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#232    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#233    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#234    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#235    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#236    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#237    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#238    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#239    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#240    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#241    StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: flutter#242    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#243    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#244    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#245    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#246    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#247    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#248    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#249    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#250    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#251    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#252    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#253    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#254    StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: flutter#255    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#256    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#257    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#258    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#259    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#260    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#261    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#262    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#263    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#264    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#265    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#266    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#267    StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: flutter#268    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#269    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#270    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#271    RenderObjectToWidgetElement._rebuild (package:flutter/src/widgets/binding.dart:1027:16)
flutter: flutter#272    RenderObjectToWidgetElement.mount (package:flutter/src/widgets/binding.dart:998:5)
flutter: flutter#273    RenderObjectToWidgetAdapter.attachToRenderTree.<anonymous closure> (package:flutter/src/widgets/binding.dart:941:17)
flutter: flutter#274    BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2321:19)
flutter: flutter#275    RenderObjectToWidgetAdapter.attachToRenderTree (package:flutter/src/widgets/binding.dart:940:13)
flutter: flutter#276    WidgetsBinding.attachRootWidget (package:flutter/src/widgets/binding.dart:821:7)
flutter: flutter#277    WidgetsBinding.scheduleAttachRootWidget.<anonymous closure> (package:flutter/src/widgets/binding.dart:806:7)
flutter: flutter#286    _Timer._runTimers (dart:isolate-patch/timer_impl.dart:382:19)
flutter: flutter#287    _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:416:5)
flutter: flutter#288    _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:172:12)
flutter: (elided 10 frames from class _AssertionError, package dart:async, and package dart:async-patch)
flutter:
flutter: ════════════════════════════════════════════════════════════════════════════════════════════════════
flutter: Another exception was thrown: A build function returned null.
flutter: Another exception was thrown: 'package:flutter/src/widgets/scroll_position.dart': Failed assertion: line 75 pos 15: 'physics != null': is not true.
LOG: wayland_display.cc:57: Window resized: 800x600
LOG: wayland_display.cc:57: Window resized: 800x600
LOG: wayland_display.cc:57: Window resized: 800x600
dwrobel added a commit to dwrobel/flutter that referenced this issue Sep 20, 2019
….dart

Fixes:
iflutter: ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
flutter: The following assertion was thrown building AppBar(dirty, dependencies: [_ModalScopeStatus,
flutter: _LocalizationsScope-[GlobalKey#6dd3b], _InheritedTheme], state: _AppBarState#c6a20):
flutter: 'package:flutter/src/widgets/navigation_toolbar.dart': Failed assertion: line 35 pos 15:
flutter: 'centerMiddle != null': is not true.
flutter:
flutter: Either the assertion indicates an error in the framework itself, or we should provide substantially
flutter: more information in this error message to help you determine and fix the underlying cause.
flutter: In either case, please report this assertion by filing a bug on GitHub:
flutter:   https://github.com/flutter/flutter/issues/new?template=BUG.md
flutter:
flutter: User-created ancestor of the error-causing widget was:
flutter:   Scaffold file:///home/sw/projects/flutter/flutter/examples/image_list/lib/main.dart:111:12
flutter:
flutter: When the exception was thrown, this was the stack:
flutter: #2      new NavigationToolbar (package:flutter/src/widgets/navigation_toolbar.dart:35:15)
flutter: #3      _AppBarState.build (package:flutter/src/material/app_bar.dart:523:28)
flutter: #4      StatefulElement.build (package:flutter/src/widgets/framework.dart:4040:27)
flutter: #5      ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3934:15)
flutter: #6      Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: #7      ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: #8      StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: #9      ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: #10     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #11     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: #12     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: #13     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: #14     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: #15     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: #16     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #17     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: #18     SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5129:14)
flutter: #19     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #20     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: #21     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: #22     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: #23     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: #24     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: #25     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #26     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: #27     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: #28     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: #29     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: #30     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: #31     ParentDataElement.mount (package:flutter/src/widgets/framework.dart:4307:11)
flutter: #32     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #33     MultiChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5235:32)
flutter: #34     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #35     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: #36     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: #37     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: #38     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: #39     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: #40     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: #41     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #42     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: #43     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: #44     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: #45     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: #46     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: #47     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: #48     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#49     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#50     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#51     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#52     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: flutter#53     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#54     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#55     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#56     SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5129:14)
flutter: flutter#57     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#58     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#59     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#60     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#61     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#62     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#63     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#64     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#65     SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5129:14)
flutter: flutter#66     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#67     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#68     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#69     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#70     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#71     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: flutter#72     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#73     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#74     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#75     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#76     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#77     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#78     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: flutter#79     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#80     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#81     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#82     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#83     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#84     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#85     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#86     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#87     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#88     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#89     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#90     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#91     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#92     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#93     Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#94     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#95     Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#96     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#97     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: flutter#98     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#99     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#100    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#101    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#102    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#103    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#104    StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: flutter#105    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#106    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#107    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#108    SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5129:14)
flutter: flutter#109    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#110    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#111    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#112    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#113    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#114    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#115    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#116    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#117    SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5129:14)
flutter: flutter#118    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#119    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#120    SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5129:14)
flutter: flutter#121    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#122    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#123    SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5129:14)
flutter: flutter#124    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#125    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#126    SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5129:14)
flutter: flutter#127    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#128    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#129    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#130    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#131    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#132    StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: flutter#133    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#134    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#135    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#136    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#137    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
LOG: wayland_display.cc:57: Window resized: 800x600
flutter: flutter#138    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#139    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#140    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#141    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#142    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#143    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#144    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#145    StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4081:11)
flutter: flutter#146    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
flutter: flutter#147    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#148    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#149    SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5129:14)
flutter: flutter#150    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3094:14)
flutter: flutter#151    Element.updateChild (package:flutter/src/widgets/framework.dart:2897:12)
flutter: flutter#152    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3954:16)
flutter: flutter#153    Element.rebuild (package:flutter/src/widgets/framework.dart:3731:5)
flutter: flutter#154    ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3917:5)
flutter: flutter#155    ComponentElement.mount (package:flutter/src/widgets/framework.dart:3912:5)
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flutter: flutter#386    WidgetsBinding.scheduleAttachRootWidget.<anonymous closure> (package:flutter/src/widgets/binding.dart:806:7)
flutter: flutter#395    _Timer._runTimers (dart:isolate-patch/timer_impl.dart:382:19)
flutter: flutter#396    _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:416:5)
flutter: flutter#397    _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:172:12)
flutter: (elided 10 frames from class _AssertionError, package dart:async, and package dart:async-patch)
flutter:
flutter: ════════════════════════════════════════════════════════════════════════════════════════════════════
flutter: ===image_list=== all loaded in 7526ms.
LOG: wayland_display.cc:57: Window resized: 800x600
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