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Bug in Volume and Mass Conversion #204

Closed
AbuBakar988 opened this issue Jan 20, 2023 · 7 comments
Closed

Bug in Volume and Mass Conversion #204

AbuBakar988 opened this issue Jan 20, 2023 · 7 comments

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@AbuBakar988
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AbuBakar988 commented Jan 20, 2023 •
edited by ferraridamiano

When volume and mass is clicked in drawer the app gives an error. "Null check operator used on a null value."

Here is the complete log

LOG 
======== Exception caught by widgets library =======================================================
The following _CastError was thrown building ConversionPage(dirty, dependencies: [_InheritedProviderScope<Conversions?>, _LocalizationsScope-[GlobalKey#5555e]]):
Null check operator used on a null value

The relevant error-causing widget was: 
  ConversionPage ConversionPage:file:///C:/Users/Public/Documents/ConverterNOW-master/lib/main.dart:53:48
When the exception was thrown, this was the stack: 
#0      ConversionPage.build (package:converterpro/pages/conversion_page.dart:47:57)
#1      StatelessElement.build (package:flutter/src/widgets/framework.dart:4949:49)
#2      ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4878:15)
#3      Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
#4      StatelessElement.update (package:flutter/src/widgets/framework.dart:4956:5)
#5      Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#6      SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6307:14)
#7      Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#8      ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
#9      Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
#10     StatelessElement.update (package:flutter/src/widgets/framework.dart:4956:5)
#11     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#12     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6307:14)
#13     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#14     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6307:14)
#15     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#16     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
#17     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
#18     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
#19     StatefulElement.update (package:flutter/src/widgets/framework.dart:5082:5)
#20     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#21     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
#22     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
#23     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
#24     StatefulElement.update (package:flutter/src/widgets/framework.dart:5082:5)
#25     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#26     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6307:14)
#27     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#28     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6307:14)
#29     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#30     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
#31     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
#32     ProxyElement.update (package:flutter/src/widgets/framework.dart:5228:5)
#33     _InheritedNotifierElement.update (package:flutter/src/widgets/inherited_notifier.dart:107:11)
#34     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#35     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6307:14)
#36     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#37     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
#38     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
#39     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
#40     StatefulElement.update (package:flutter/src/widgets/framework.dart:5082:5)
#41     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#42     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
#43     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
#44     ProxyElement.update (package:flutter/src/widgets/framework.dart:5228:5)
#45     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#46     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
#47     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
#48     ProxyElement.update (package:flutter/src/widgets/framework.dart:5228:5)
#49     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#50     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
#51     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
#52     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
#53     StatefulElement.update (package:flutter/src/widgets/framework.dart:5082:5)
#54     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#55     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
#56     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
#57     StatelessElement.update (package:flutter/src/widgets/framework.dart:4956:5)
#58     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#59     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
#60     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
#61     StatelessElement.update (package:flutter/src/widgets/framework.dart:4956:5)
#62     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#63     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6307:14)
#64     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#65     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
#66     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
#67     ProxyElement.update (package:flutter/src/widgets/framework.dart:5228:5)
#68     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#69     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
#70     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
#71     ProxyElement.update (package:flutter/src/widgets/framework.dart:5228:5)
#72     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#73     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
#74     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
#75     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
#76     StatefulElement.update (package:flutter/src/widgets/framework.dart:5082:5)
#77     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#78     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
#79     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
#80     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
#81     StatefulElement.update (package:flutter/src/widgets/framework.dart:5082:5)
#82     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
#83     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
#84     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
#85     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
#86     BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2667:19)
#87     _LayoutBuilderElement._layout (package:flutter/src/widgets/layout_builder.dart:153:12)
#88     RenderObject.invokeLayoutCallback.<anonymous closure> (package:flutter/src/rendering/object.dart:2246:59)
#89     PipelineOwner._enableMutationsToDirtySubtrees (package:flutter/src/rendering/object.dart:1035:15)
#90     RenderObject.invokeLayoutCallback (package:flutter/src/rendering/object.dart:2246:14)
#91     RenderConstrainedLayoutBuilder.rebuildIfNecessary (package:flutter/src/widgets/layout_builder.dart:228:7)
#92     _RenderLayoutBuilder.performLayout (package:flutter/src/widgets/layout_builder.dart:316:5)
#93     RenderObject._layoutWithoutResize (package:flutter/src/rendering/object.dart:1973:7)
#94     PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:999:18)
#95     RendererBinding.drawFrame (package:flutter/src/rendering/binding.dart:513:19)
#96     WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:884:13)
#97     RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:378:5)
#98     SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1175:15)
#99     SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1104:9)
#100    SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1015:5)
#101    _invoke (dart:ui/hooks.dart:148:13)
#102    PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:318:5)
#103    _drawFrame (dart:ui/hooks.dart:115:31)

Capture
@ferraridamiano
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Mmmmm interesting! Could you please tell me:

  • the version of the app
  • android version
  • if you compiled from source or it is the apk from a store
  • if you changed the properties or unit order
  • if you changed the language

Thank you!

@AbuBakar988
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version: 3.2.1+37
Android Studio Electric Eel | 2022.1.1
Android version: 13
Downloaded the project from github and it was the same from the start.
Language is default.

@ferraridamiano
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Did you run melos bootstrap before running flutter run?
On which platform are you building the code (windows, linux, macos)?
Could you try to build the app for the web? e.g. flutter run -d chrome

@AbuBakar988
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yes i ran the melos command.
i am building code on windows.
yes i tried to run on browser too, but same error in web for volume and mass.

Capture

======== Exception caught by widgets library =======================================================
The following TypeErrorImpl was thrown building ConversionPage(dirty, dependencies: [_InheritedProviderScope<Conversions?>, _LocalizationsScope-[GlobalKey#98a30]]):
Unexpected null value.

The relevant error-causing widget was: 
  ConversionPage ConversionPage:file:///C:/Users/Public/Documents/ConverterNOW-master/lib/main.dart:53:48
When the exception was thrown, this was the stack: 
C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/errors.dart 266:49      throw_
C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/operations.dart 528:63  nullCheck
packages/converterpro/pages/conversion_page.dart 47:57                                                                         build
packages/flutter/src/widgets/framework.dart 4949:22                                                                            build
packages/flutter/src/widgets/framework.dart 4878:15                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 4604:5                                                                             rebuild
packages/flutter/src/widgets/framework.dart 4956:5                                                                             update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 6307:14                                                                            update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 4904:16                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 4604:5                                                                             rebuild
packages/flutter/src/widgets/framework.dart 4956:5                                                                             update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 6307:14                                                                            update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 6307:14                                                                            update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 4904:16                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 5050:11                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 4604:5                                                                             rebuild
packages/flutter/src/widgets/framework.dart 5082:5                                                                             update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 4904:16                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 5050:11                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 4604:5                                                                             rebuild
packages/flutter/src/widgets/framework.dart 5082:5                                                                             update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 6307:14                                                                            update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 6307:14                                                                            update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 4904:16                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 4604:5                                                                             rebuild
packages/flutter/src/widgets/framework.dart 5228:5                                                                             update
packages/flutter/src/widgets/inherited_notifier.dart 107:11                                                                    update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 6307:14                                                                            update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 4904:16                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 5050:11                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 4604:5                                                                             rebuild
packages/flutter/src/widgets/framework.dart 5082:5                                                                             update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 4904:16                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 4604:5                                                                             rebuild
packages/flutter/src/widgets/framework.dart 5228:5                                                                             update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 4904:16                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 4604:5                                                                             rebuild
packages/flutter/src/widgets/framework.dart 5228:5                                                                             update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 4904:16                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 5050:11                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 4604:5                                                                             rebuild
packages/flutter/src/widgets/framework.dart 5082:5                                                                             update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 4904:16                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 4604:5                                                                             rebuild
packages/flutter/src/widgets/framework.dart 4956:5                                                                             update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 4904:16                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 4604:5                                                                             rebuild
packages/flutter/src/widgets/framework.dart 4956:5                                                                             update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 6307:14                                                                            update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 4904:16                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 4604:5                                                                             rebuild
packages/flutter/src/widgets/framework.dart 5228:5                                                                             update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 4904:16                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 4604:5                                                                             rebuild
packages/flutter/src/widgets/framework.dart 5228:5                                                                             update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 4904:16                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 5050:11                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 4604:5                                                                             rebuild
packages/flutter/src/widgets/framework.dart 5082:5                                                                             update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 4904:16                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 5050:11                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 4604:5                                                                             rebuild
packages/flutter/src/widgets/framework.dart 5082:5                                                                             update
packages/flutter/src/widgets/framework.dart 3570:14                                                                            updateChild
packages/flutter/src/widgets/framework.dart 4904:16                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 5050:11                                                                            performRebuild
packages/flutter/src/widgets/framework.dart 4604:5                                                                             rebuild
packages/flutter/src/widgets/framework.dart 2667:18                                                                            buildScope
packages/flutter/src/widgets/layout_builder.dart 153:5                                                                         [_layout]
packages/flutter/src/rendering/object.dart 2246:59                                                                             <fn>
packages/flutter/src/rendering/object.dart 1035:15                                                                             [_enableMutationsToDirtySubtrees]
packages/flutter/src/rendering/object.dart 2246:7                                                                              invokeLayoutCallback
packages/flutter/src/widgets/layout_builder.dart 228:7                                                                         rebuildIfNecessary
packages/flutter/src/widgets/layout_builder.dart 316:5                                                                         performLayout
packages/flutter/src/rendering/object.dart 1973:7                                                                              [_layoutWithoutResize]
packages/flutter/src/rendering/object.dart 999:17                                                                              flushLayout
packages/flutter/src/rendering/binding.dart 513:19                                                                             drawFrame
packages/flutter/src/widgets/binding.dart 884:13                                                                               drawFrame
packages/flutter/src/rendering/binding.dart 378:5                                                                              [_handlePersistentFrameCallback]
packages/flutter/src/scheduler/binding.dart 1175:15                                                                            [_invokeFrameCallback]
packages/flutter/src/scheduler/binding.dart 1104:9                                                                             handleDrawFrame
packages/flutter/src/scheduler/binding.dart 1015:5                                                                             [_handleDrawFrame]
C:/b/s/w/ir/cache/builder/src/out/host_debug/flutter_web_sdk/lib/_engine/engine/platform_dispatcher.dart 1168:13               invoke
C:/b/s/w/ir/cache/builder/src/out/host_debug/flutter_web_sdk/lib/_engine/engine/platform_dispatcher.dart 219:5                 invokeOnDrawFrame
C:/b/s/w/ir/cache/builder/src/out/host_debug/flutter_web_sdk/lib/_engine/engine/initialization.dart 195:45                     <fn>
C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/operations.dart 334:14  _checkAndCall
C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/operations.dart 339:39  dcall
====================================================================================================

also when i try to add another conversion to the drawer it gives an error even i change the const maxConversionUnits to 20 or more. const maxConversionUnits = 20;

======== Exception caught by widgets library =======================================================
The following RangeError was thrown building CustomDrawer(dirty, dependencies: [GoRouterStateRegistryScope, _InheritedProviderScope<AppModel?>, _InheritedTheme, _LocalizationsScope-[GlobalKey#2c858], _ModalScopeStatus]):
RangeError (index): Invalid value: Not in inclusive range 0..18: 19

Capturea

@ferraridamiano
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also when i try to add another conversion to the drawer it gives an error even i change the const maxConversionUnits to 20 or more. const maxConversionUnits = 20;

This should not be changed

It's really strange. The integration testing in the CI returns no errors.
Have you done any changes to the code?
What flutter version are you using?
Is the code updated to the latest commit?

@AbuBakar988
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This should not be changed

without changing it gives the same error. there are currently 19 numbers of conversions in drawer, if i want to add another or more conversion in drawer then how should i do it? Because when i try to add it gives the error of invalid range when i tap on drawer.

flutter version is Flutter 3.3.9
and the code is not updated to the latest, you have updated some of the codes after i downloaded the source from github.

@ferraridamiano
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So you are getting errors on modified code? You did not mention this before!
I can help you only by knowing what are you trying to achieve and what you have done so far

@ferraridamiano ferraridamiano closed this as not planned Won't fix, can't repro, duplicate, stale Feb 1, 2023
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@ferraridamiano @AbuBakar988