Uploader seems to crash on iOS

[powerspowers]

When clicking on the + icon to add an image I get the following on my attached iPhone XR running iOS 12.1

I will work on debugging but I'm rather new to flutter. It looks like it requires waiting for the Uploader object to initialize before building a dependent object.

[VERBOSE-2:shell.cc(184)] Dart Error: Unhandled exception:
inheritFromWidgetOfExactType(_LocalizationsScope) or inheritFromElement() was called before _Uploader.initState() completed.
When an inherited widget changes, for example if the value of Theme.of() changes, its dependent widgets are rebuilt. If the dependent widget's reference to the inherited widget is in a constructor or an initState() method, then the rebuilt dependent widget will not reflect the changes in the inherited widget.
Typically references to to inherited widgets should occur in widget build() methods. Alternatively, initialization based on inherited widgets can be placed in the didChangeDependencies method, which is called after initState and whenever the dependencies change thereafter.
#0      StatefulElement.inheritFromElement.<anonymous closure> (package:flutter/src/widgets/framework.dart:3920:9)
#1      StatefulElement.inheritFromElement (package:flutter/src/widgets/framework.dart:3953:6)
#2      Element.inheritFromWidgetOfExactType (package:flutter/src/widgets/framework.dart:3274:14)
#3      Localizations.of (package:flutter/src/widgets/localizations.dart:448:47)
#4      debugCheckHasMaterialLocalizations.<anonymous closure> (package:flutter/src/material/debug.dart:88:23)
#5      debugCheckHasMaterialLocalizations (package:flutter/src/material/debug.dart:127:4)
#6      showDialog (package:flutter/src/material/dialog.dart:635:10)
#7      _Uploader._selectImage (package:Fluttergram/upload_page.dart:143:12)
<asynchronous suspension>
#8      _Uploader.initState (package:Fluttergram/upload_page.dart:34:7)
#9      StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3830:58)
#10     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3696:5)
#11     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2950:14)
#12     Element.updateChild (package:flutter/src/widgets/framework.dart:2753:12)
#13     SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4860:14)
#14     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2950:14)
#15     Element.updateChild (package:flutter/src/widgets/framework.dart:2753:12)
#16     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3732:16)
#17     Element.rebuild (package:flutter/src/widgets/framework.dart:3547:5)
#18     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3701:5)
#19     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3696:5)
#20     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2950:14)
#21     Element.updateChild (package:flutter/src/widgets/framework.dart:2753:12)
#22     SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4860:14)
#23     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2950:14)
#24     Element.updateChild (package:flutter/src/widgets/framework.dart:2753:12)
#25     SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4860:14)
#26     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2950:14)
#27     Element.updateChild (package:flutter/src/widgets/framework.dart:2753:12)
#28     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3732:16)
#29     Element.rebuild (package:flutter/src/widgets/framework.dart:3547:5)
#30     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3701:5)
#31     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3696:5)
#32     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2950:14)
#33     Element.updateChild (package:flutter/src/widgets/framework.dart:2753:12)
#34     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3732:16)
#35     Element.rebuild (package:flutter/src/widgets/framework.dart:3547:5)
#36     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3701:5)
#37     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3696:5)
#38     ParentDataElement.mount (package:flutter/src/widgets/framework.dart:4047:11)
#39     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2950:14)
#40     Element.updateChild (package:flutter/src/widgets/framework.dart:2753:12)
#41     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3732:16)
#42     Element.rebuild (package:flutter/src/widgets/framework.dart:3547:5)
#43     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3701:5)
#44     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3848:11)
#45     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3696:5)
#46     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2950:14)
#47     Element.updateChild (package:flutter/src/widgets/framework.dart:2753:12)
#48     SliverMultiBoxAdaptorElement.updateChild (package:flutter/src/widgets/sliver.dart:1028:36)
#49     SliverMultiBoxAdaptorElement.createChild.<anonymous closure> (package:flutter/src/widgets/sliver.dart:1013:20)
#50     BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2266:19)
#51     SliverMultiBoxAdaptorElement.createChild (package:flutter/src/widgets/sliver.dart:1006:11)
#52     RenderSliverMultiBoxAdaptor._createOrObtainChild.<anonymous closure> (package:flutter/src/rendering/sliver_multi_box_adaptor.dart:274:23)
#53     RenderObject.invokeLayoutCallback.<anonymous closure> (package:flutter/src/rendering/object.dart:1730:58)
#54     PipelineOwner._enableMutationsToDirtySubtrees (package:flutter/src/rendering/object.dart:799:15)
#55     RenderObject.invokeLayoutCallback (package:flutter/src/rendering/object.dart:1730:13)
#56     RenderSliverMultiBoxAdaptor._createOrObtainChild (package:flutter/src/rendering/sliver_multi_box_adaptor.dart:263:5)
#57     RenderSliverMultiBoxAdaptor.addInitialChild (package:flutter/src/rendering/sliver_multi_box_adaptor.dart:341:5)
#58     RenderSliverFixedExtentBoxAdaptor.performLayout (package:flutter/src/rendering/sliver_fixed_extent_list.dart:169:12)
#59     RenderObject.layout (package:flutter/src/rendering/object.dart:1634:7)
#60     RenderViewportBase.layoutChildSequence (package:flutter/src/rendering/viewport.dart:405:13)
#61     RenderViewport._attemptLayout (package:flutter/src/rendering/viewport.dart:1316:12)
#62     RenderViewport.performLayout (package:flutter/src/rendering/viewport.dart:1234:20)
#63     RenderObject._layoutWithoutResize (package:flutter/src/rendering/object.dart:1509:7)
#64     PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:768:18)
#65     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding.drawFrame (package:flutter/src/rendering/binding.dart:281:19)
#66     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding&WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:677:13)
#67     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:219:5)
#68     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:990:15)
#69     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:930:9)
#70     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:842:5)
#71     _invoke (dart:ui/hooks.dart:154:13)
#72     _drawFrame (dart:ui/hooks.dart:143:3)

[aenulfi3]

yeah it gave me an error after pressing confirm (Tick button) after taking a picture

[mdanics]

@powerspowers @aenulfi3 I know i'm a little late on this but: I tried to reproduce this on both an iOS simulator and an iPhone 8 running iOS 12.3.2.

Is this something that you guys can still reproduce, if so can you provide some steps for reproducing?

[powerspowers]

I couldn't figure this out so I had to move on. I think its hard to test on a simulator because iPhone simulator doesn't let you upload photos correct? My stack dump was the last tangible information I had.

Currently I'm testing out the alpha of the Flutter for Web release. Its quite promising although still wobbly. Your example helped me get up to speed so big thank you.

[mdanics]

Yeah simulator didn't let me take photos, so I tried with a real iPhone 8, but it seems to be working. It could have been an old plugin failure that has now been resolved. I'm going to close the issue for now, but i'll keep an eye out

Glad I could help :) Flutter for web is exciting, haven't had a chance to explore it yet, but it would be cool to get a web side to Fluttergram going (if only i had the time haha)