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Respository for the I/O 2019 demo: Become a tech lead, slay bugs, and don't get fired.

License: MIT License

Kotlin 0.11% Swift 0.13% Objective-C 0.01% Dart 97.18% R 0.99% Shell 1.58%

developer_quest's Introduction

Developer Quest

Become a tech lead, slay bugs, and don't get fired.

All in Flutter.

Research tree

The game progression is based on a "research tree" of tasks. The tree is defined in code in lib/src/shared_state/task_tree but for clarity it is also kept as a diagram in assets/docs. Here's the PNG.

Performance testing

Attach a real device and run the following command from the root of the repo:

flutter drive --target=test_driver/performance.dart --profile

This will do an automated run-through of the app, and will save the output to files.

Look into to build/walkthrough-*.json files for detailed summaries of each run.
Look at test_driver/perf_stats.tsv to compare latest runs with historical data.
Run Rscript test_driver/generate-graphs.R (assuming you have R installed) to generate boxplots of the latest runs. This will show up as test_driver/*.pdf files.
Peruse the raw data file (used by R to generate the boxplots) by opening the durations.tsv file. These files contain build and rasterization times for each frame for every run.

If you want to get several runs at once, you can use something like the following command:

DESC="my change" bash -c 'for i in {1..5}; do flutter drive --target=test_driver/performance.dart --profile; sleep 1; done'

Why run several times when we get so many data points on each walkthrough? With several identical walkthroughs it's possible to visually check variance between runs. Even with box plots, these nuances get lost in the summary stats, so it's hard to see whether a change actually brought any performance improvement or not. Running several times also eliminates the effect of extremely bad luck, like for example when Android decides to update some app while test is running.

Lock CPU and GPU speed for your performance test device

Run the following command when your performance test device is attached via USB.

./tool/lock_android_scaling.sh

WARNING:

This only works for rooted devices.
This only works for Nexus 5. The specifics of scaling lock are different from device to device. You can modify the script to your needs, following this template and /sys/devices/system/cpu documentation.

Where to store the profiling data

You probably don't want to check the *.tsv output files into the repo. For that, run git update-index --assume-unchanged test_driver/*.tsv in the root dir. This is a one time command per machine.

developer_quest's People

Contributors

Stargazers

Watchers

Forkers

filledstacks rodydavis grandnexus vb10 devjaime stargator rustan-id kazhuyo minikin dadja hoaxoan botanium billwilson mclark4386 mosabalrasheed tomialagbe sultanmyrza noyal talisk rasyeda weiztech starlight173 satish754ss kw2019ltd zolzaya partnercloudsupport fernando-antonio ajithk444 c0h1b4 ashishrawat2911 olivoil lucasblackp rosputniy cjackie quangnguyenhd hoangtk0100 yalamber crnaosa pratikjain04 thesirion praneybehl supamunkey bidica06 mucyomiller hirwaf khairulanas chiebuka39 keshavadityarp spiritinlife masdh kanybekmomukeyev thargyi74 yegobox chrisgate draysams mschmack fluttertraining arkraybergonia mhmddsoki phemmelliot mohamdsobhy torlinone sidneymachara eksahin medabbassi dheeram danievanzyl invertedx mozartted ivangn03 jdellinger erikwco jonathanjude mikenap andrefauth themushrr00m marcioquimbundo captainofflyingdutchman france00mf risingsunstudios ahmed56734 stephenwil bashtem rozzerspb afshinator codex-dev vadympinchuk ekow244 lpsmlgeo jatin-prajapati matiullah-karimi steamedeggs eimenanacreado elgoub saeed2011 abanobnabil tuanhui markkelly1982 ahmedtahaabdallah naoyukihamada

developer_quest's Issues

users/capital/happiness could be bigger on the TV [p1]

title says it all

Minor Team Tab Design Tweaks

These are lower priority, but it would be nice to have the characters fit in the buttons a bit bigger and overflow a tad. This is what they currently look like:

How they look in the designs:

I assume this is challenging based on different resolutions, but perhaps there's a way we can give them absolute positioning relative to their parent. In CSS we'd use absolute positioning inside a relative container with custom top/left/right/bottom values to make it look relatively the same on different resolutions. I'm sure there's something similar if not better in Flutter!

Even more minor: can we move the notification bubble over a tad, so it's positioned at 2/3rds of the width of the tab?

RenderFlex overflowed in Skill Required

[low] Flare files never load on high-speed walkthrough

This hasn't happened to me on a regular walkthrough, but a high-speed (perf-test) walkthrough will somehow never load any Flare files.

https://photos.app.goo.gl/9nAVw9Qi4jga5dKf6

Is there a race condition at the start of the app that never completes when you click "Start" too early?

This is very low priority. Just recording this here in chance it helps uncover some larger issue.

cc @luigi-rosso

New logo/icon proposal

Good day sir. I am a graphic designer and i am interested in designing a logo for your good project. I will be doing it as a gift for free. I just need your permission first before I begin my design. Hoping for your positive feedback. Thanks

Team assign bottom sheet tablet/desktop design issues

Task stalled because you haven't assigned the right skills a bit confusing [p3]

We had talked about this before, but I did some user testing with Flutter team members and they were confused why it stopped advancing. @filiph Do you have thoughts/suggestions?

i18n Solution

I'm just dumping Strings directly into the build methods. Should we setup LocalizationDelegates?

restart button/timeout

Presumably this just hasn't been implemented yet, but I don't see a "restart" button and/or a timeout pop-up

Not compiling

Hello, I just cloned the repo and when compiling/running, I get this error:

Compiler message:
file:///Users/david/development/flutter/.pub-cache/git/Flare-Flutter-4aebb0ff5b98c7bcf2183c6bac8226cc7ddf5402/flare_flutter/lib/flare.dart:1023:18: Error: The argument type 'Int32List' can't be assigned to the parameter type 'Uint16List'.
 - 'Int32List' is from 'dart:typed_data'.
 - 'Uint16List' is from 'dart:typed_data'.
Try changing the type of the parameter, or casting the argument to 'Uint16List'.
        indices: _indices, textureCoordinates: _uvBuffer);
                 ^
Compiler failed on /Users/david/development/projects/developer_quest/lib/main.dart
Gradle task assembleDebug failed with exit code 1

This is my flutter doctor:

[✓] Flutter (Channel dev, v1.5.8, on Mac OS X 10.14.4 18E226, locale en-BR)
• Flutter version 1.5.8 at /Users/david/development/flutter
• Framework revision 0ba67226ee (2 weeks ago), 2019-04-24 17:18:28 -0700
• Engine revision c63d1cf9c9
• Dart version 2.3.0 (build 2.3.0-dev.0.1 1f1592edce)

[✓] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
• Android SDK at /Users/david/Library/Android/sdk
• Android NDK location not configured (optional; useful for native profiling support)
• Platform android-28, build-tools 28.0.3
• ANDROID_HOME = /Users/david/Library/Android/sdk
• ANDROID_SDK_ROOT = /Users/david/Library/Android/sdk
• Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1343-b01)
• All Android licenses accepted.

[✓] iOS toolchain - develop for iOS devices (Xcode 10.2.1)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 10.2.1, Build version 10E1001
• ios-deploy 1.9.4
• CocoaPods version 1.7.0.beta.1

[✓] Android Studio (version 3.4)
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin version 35.2.1
• Dart plugin version 183.6270
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1343-b01)

[✓] VS Code (version 1.33.1)
• VS Code at /Applications/Visual Studio Code.app/Contents
• Flutter extension version 3.0.1

[✓] Connected device (2 available)
• Redmi Go • 106ad4f17d85 • android-arm • Android 8.1.0 (API 27)
• OnePlus 6 • 9dc80123 • android-arm64 • Android 9 (API 28)

• No issues found!

Any hints on what is breaking the project?

David

PointerExit bug/crash. [p0]

This one's only happening in the demo branch, only when using a mouse. It happens if your cursor was over one of the characters and the inactivity timeout pops you back to the welcome screen. The stack seems to suggest that in the process of detaching, the Listener fires the onPointerExit callback. We call setState when that happens, which causes this error. The error message, however, mentions that we are in a build phase...either way, is there a good way to detect either condition and avoid calling setState, or is there something more fundamental going on here?

This ends up putting the demo in an unrecoverable state.

I/flutter ( 6197): ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
I/flutter ( 6197): The following assertion was thrown building Overlay-[LabeledGlobalKey<OverlayState>#e7924](state:
I/flutter ( 6197): OverlayState#1e814(tickers: tracking 0 tickers, entries: [OverlayEntry#56a87(opaque: false;
I/flutter ( 6197): maintainState: false), OverlayEntry#e61e6(opaque: false; maintainState: true),
I/flutter ( 6197): OverlayEntry#5b713(opaque: true; maintainState: false), OverlayEntry#5be4e(opaque: false;
I/flutter ( 6197): maintainState: true)])):
I/flutter ( 6197): setState() or markNeedsBuild() called during build.
I/flutter ( 6197): This CharacterListItem widget cannot be marked as needing to build because the framework is already
I/flutter ( 6197): in the process of building widgets. A widget can be marked as needing to be built during the build
I/flutter ( 6197): phase only if one of its ancestors is currently building. This exception is allowed because the
I/flutter ( 6197): framework builds parent widgets before children, which means a dirty descendant will always be
I/flutter ( 6197): built. Otherwise, the framework might not visit this widget during this build phase.
I/flutter ( 6197): The widget on which setState() or markNeedsBuild() was called was:
I/flutter ( 6197):   CharacterListItem(state: _CharacterListItemState#9f280)
I/flutter ( 6197): The widget which was currently being built when the offending call was made was:
I/flutter ( 6197):   Overlay-[LabeledGlobalKey<OverlayState>#e7924](state: OverlayState#1e814(tickers: tracking 0
I/flutter ( 6197):   tickers, entries: [OverlayEntry#56a87(opaque: false; maintainState: false),
I/flutter ( 6197):   OverlayEntry#e61e6(opaque: false; maintainState: true), OverlayEntry#5b713(opaque: true;
I/flutter ( 6197):   maintainState: false), OverlayEntry#5be4e(opaque: false; maintainState: true)]))
I/flutter ( 6197):
I/flutter ( 6197): When the exception was thrown, this was the stack:
I/flutter ( 6197): #0      Element.markNeedsBuild.<anonymous closure> (package:flutter/src/widgets/framework.dart:3503:11)
I/flutter ( 6197): #1      Element.markNeedsBuild (package:flutter/src/widgets/framework.dart:3529:6)
I/flutter ( 6197): #2      State.setState (package:flutter/src/widgets/framework.dart:1133:14)
I/flutter ( 6197): #3      _CharacterListItemState._stopPlaying (package:dev_rpg/src/game_screen/character_pool_page.dart:91:44)
I/flutter ( 6197): #4      MouseTracker.detachAnnotation (package:flutter/src/gestures/mouse_tracking.dart:125:20)
I/flutter ( 6197): #5      RenderPointerListener.detach (package:flutter/src/rendering/proxy_box.dart:2593:45)
I/flutter ( 6197): #6      _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #7      _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #8      _RenderSliverMultiBoxAdaptor&RenderSliver&ContainerRenderObjectMixin.detach (package:flutter/src/rendering/object.dart:3032:13)
I/flutter ( 6197): #9      RenderSliverMultiBoxAdaptor.detach (package:flutter/src/rendering/sliver_multi_box_adaptor.dart:305:11)
I/flutter ( 6197): #10     _RenderSliverPadding&RenderSliver&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #11     _RenderViewportBase&RenderBox&ContainerRenderObjectMixin.detach (package:flutter/src/rendering/object.dart:3032:13)
I/flutter ( 6197): #12     RenderViewportBase.detach (package:flutter/src/rendering/viewport.dart:285:11)
I/flutter ( 6197): #13     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #14     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #15     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #16     RenderPointerListener.detach (package:flutter/src/rendering/proxy_box.dart:2595:11)
I/flutter ( 6197): #17     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #18     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #19     RenderPointerListener.detach (package:flutter/src/rendering/proxy_box.dart:2595:11)
I/flutter ( 6197): #20     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #21     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #22     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #23     RenderCustomPaint.detach (package:flutter/src/rendering/custom_paint.dart:496:11)
I/flutter ( 6197): #24     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #25     _RenderStack&RenderBox&ContainerRenderObjectMixin.detach (package:flutter/src/rendering/object.dart:3032:13)
I/flutter ( 6197): #26     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #27     _RenderFlex&RenderBox&ContainerRenderObjectMixin.detach (package:flutter/src/rendering/object.dart:3032:13)
I/flutter ( 6197): #28     _RenderCustomMultiChildLayoutBox&RenderBox&ContainerRenderObjectMixin.detach (package:flutter/src/rendering/object.dart:3032:13)
I/flutter ( 6197): #29     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #30     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #31     _RenderCustomClip.detach (package:flutter/src/rendering/proxy_box.dart:1189:11)
I/flutter ( 6197): #32     __RenderLayoutBuilder&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #33     __RenderLayoutBuilder&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #34     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #35     RenderPointerListener.detach (package:flutter/src/rendering/proxy_box.dart:2595:11)
I/flutter ( 6197): #36     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #37     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #38     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #39     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #40     RenderAnimatedOpacity.detach (package:flutter/src/rendering/proxy_box.dart:887:11)
I/flutter ( 6197): #41     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #42     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #43     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #44     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.detach (package:flutter/src/rendering/object.dart:2774:14)
I/flutter ( 6197): #45     AbstractNode.dropChild (package:flutter/src/foundation/node.dart:147:13)
I/flutter ( 6197): #46     RenderObject.dropChild (package:flutter/src/rendering/object.dart:1169:11)
I/flutter ( 6197): #47     _RenderStack&RenderBox&ContainerRenderObjectMixin.remove (package:flutter/src/rendering/object.dart:2977:5)
I/flutter ( 6197): #48     MultiChildRenderObjectElement.removeChildRenderObject (package:flutter/src/widgets/framework.dart:4957:18)
I/flutter ( 6197): #49     RenderObjectElement.detachRenderObject (package:flutter/src/widgets/framework.dart:4744:36)
I/flutter ( 6197): #50     Element.detachRenderObject.<anonymous closure> (package:flutter/src/widgets/framework.dart:2867:13)
I/flutter ( 6197): #51     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3770:14)
I/flutter ( 6197): #52     Element.detachRenderObject (package:flutter/src/widgets/framework.dart:2866:5)
I/flutter ( 6197): #53     Element.detachRenderObject.<anonymous closure> (package:flutter/src/widgets/framework.dart:2867:13)
I/flutter ( 6197): #54     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3770:14)
I/flutter ( 6197): #55     Element.detachRenderObject (package:flutter/src/widgets/framework.dart:2866:5)
I/flutter ( 6197): #56     Element.detachRenderObject.<anonymous closure> (package:flutter/src/widgets/framework.dart:2867:13)
I/flutter ( 6197): #57     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3770:14)
I/flutter ( 6197): #58     Element.detachRenderObject (package:flutter/src/widgets/framework.dart:2866:5)
I/flutter ( 6197): #59     Element.deactivateChild (package:flutter/src/widgets/framework.dart:2996:11)
I/flutter ( 6197): #60     RenderObjectElement.updateChildren (package:flutter/src/widgets/framework.dart:4694:11)
I/flutter ( 6197): #61     MultiChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4992:17)
I/flutter ( 6197): #62     Element.updateChild (package:flutter/src/widgets/framework.dart:2753:15)
I/flutter ( 6197): #63     _TheatreElement.update (package:flutter/src/widgets/overlay.dart:607:16)
I/flutter ( 6197): #64     Element.updateChild (package:flutter/src/widgets/framework.dart:2753:15)
I/flutter ( 6197): #65     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3750:16)
I/flutter ( 6197): #66     Element.rebuild (package:flutter/src/widgets/framework.dart:3565:5)
I/flutter ( 6197): #67     BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2278:33)
I/flutter ( 6197): #68     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding&WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:700:20)
I/flutter ( 6197): #69     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:286:5)
I/flutter ( 6197): #70     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1012:15)
I/flutter ( 6197): #71     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:952:9)
I/flutter ( 6197): #72     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:864:5)
I/flutter ( 6197): #76     _invoke (dart:ui/hooks.dart:219:10)
I/flutter ( 6197): #77     _drawFrame (dart:ui/hooks.dart:178:3)
I/flutter ( 6197): (elided 3 frames from package dart:async)
I/flutter ( 6197): ════════════════════════════════════════════════════════════════════════════════════════════════════
I/flutter ( 6197): Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 2276 pos 16: '!_dirtyElements[index]._active || _dirtyElements[index]._debugIsInScope(context)': is not true.
I/flutter ( 6197): Another exception was thrown: Navigator operation requested with a context that does not include a Navigator.
I/flutter ( 6197): Another exception was thrown: Navigator operation requested with a context that does not include a Navigator.
I/flutter ( 6197): Another exception was thrown: Navigator operation requested with a context that does not include a Navigator.
I/flutter ( 6197): Another exception was thrown: Navigator operation requested with a context that does not include a Navigator.
I/flutter ( 6197): Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 2276 pos 16: '!_dirtyElements[index]._active || _dirtyElements[index]._debugIsInScope(context)': is not true.
I/flutter ( 6197): Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 2276 pos 16: '!_dirtyElements[index]._active || _dirtyElements[index]._debugIsInScope(context)': is not true.
I/flutter ( 6197): Another exception was thrown: Duplicate GlobalKeys detected in widget tree.

Title screen has some overflow on the iPad

Alos I can't seem to make it go to landscape mode. It stays in portrait. Is this intentional?

Smaller screens show highlight "overflow" on entry screen

See image, on the right side:

When the glowfor the "refactorer" gets large, it overflows the box behind it and you can see a line. I don't think this intended. Viewable on an iPhone 8 or phones with smaller screens (or height-width ratios that are closer to square)

Assertion thrown in Color.withOpacity / FlutterActorImage.draw

Cannot investigate, so I'm just capturing.

In this state (after the first task got completed and after I tapped to add a new task):

I got this assertion error

I/flutter ( 6244): ══╡ EXCEPTION CAUGHT BY RENDERING LIBRARY ╞═════════════════════════════════════════════════════════
I/flutter ( 6244): The following assertion was thrown during paint():
I/flutter ( 6244): 'dart:ui/painting.dart': Failed assertion: line 187: '<optimized out>': is not true.
I/flutter ( 6244): 
I/flutter ( 6244): Either the assertion indicates an error in the framework itself, or we should provide substantially
I/flutter ( 6244): more information in this error message to help you determine and fix the underlying cause.
I/flutter ( 6244): In either case, please report this assertion by filing a bug on GitHub:
I/flutter ( 6244):   https://github.com/flutter/flutter/issues/new?template=BUG.md
I/flutter ( 6244): 
I/flutter ( 6244): When the exception was thrown, this was the stack:
I/flutter ( 6244): #2      Color.withOpacity (dart:ui/painting.dart:187:12)
I/flutter ( 6244): #3      FlutterActorImage.draw (package:flare_flutter/flare.dart:1009:33)
I/flutter ( 6244): #4      FlutterActorArtboard.draw (package:flare_flutter/flare.dart:675:44)
I/flutter ( 6244): #5      HiringBustRenderObject.paintFlare (package:dev_rpg/src/widgets/flare/hiring_bust.dart:190:16)
I/flutter ( 6244): #6      FlareRenderBox.paint (package:flare_flutter/flare_render_box.dart:192:7)
I/flutter ( 6244): #7      RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:2104:7)
I/flutter ( 6244): #8      PaintingContext.paintChild (package:flutter/src/rendering/object.dart:173:13)
I/flutter ( 6244): #9      _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:123:15)
I/flutter ( 6244): #10     RenderDecoratedBox.paint (package:flutter/src/rendering/proxy_box.dart:1945:11)
I/flutter ( 6244): #11     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:2104:7)
I/flutter ( 6244): #12     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:173:13)
I/flutter ( 6244): #13     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:123:15)
I/flutter ( 6244): #14     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:2104:7)
I/flutter ( 6244): #15     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:173:13)
I/flutter ( 6244): #16     _RenderWrap&RenderBox&ContainerRenderObjectMixin&RenderBoxContainerDefaultsMixin.defaultPaint (package:flutter/src/rendering/box.dart:2273:15)
I/flutter ( 6244): #17     RenderWrap.paint (package:flutter/src/rendering/wrap.dart:762:7)
I/flutter ( 6244): #18     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:2104:7)
I/flutter ( 6244): #19     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:173:13)
I/flutter ( 6244): #20     _RenderFlex&RenderBox&ContainerRenderObjectMixin&RenderBoxContainerDefaultsMixin.defaultPaint (package:flutter/src/rendering/box.dart:2273:15)
I/flutter ( 6244): #21     RenderFlex.paint (package:flutter/src/rendering/flex.dart:942:7)
I/flutter ( 6244): #22     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:2104:7)
I/flutter ( 6244): #23     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:173:13)
I/flutter ( 6244): #24     _RenderFlex&RenderBox&ContainerRenderObjectMixin&RenderBoxContainerDefaultsMixin.defaultPaint (package:flutter/src/rendering/box.dart:2273:15)
I/flutter ( 6244): #25     RenderFlex.paint (package:flutter/src/rendering/flex.dart:942:7)
I/flutter ( 6244): #26     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:2104:7)
I/flutter ( 6244): #27     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:173:13)
I/flutter ( 6244): #28     RenderShiftedBox.paint (package:flutter/src/rendering/shifted_box.dart:70:15)
I/flutter ( 6244): #29     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:2104:7)
I/flutter ( 6244): #30     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:173:13)
I/flutter ( 6244): #31     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:123:15)
I/flutter ( 6244): #32     RenderPointerListener.paint (package:flutter/src/rendering/proxy_box.dart:2608:11)
I/flutter ( 6244): #33     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:2104:7)
I/flutter ( 6244): #34     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:173:13)
I/flutter ( 6244): #35     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:123:15)
I/flutter ( 6244): #36     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:2104:7)
I/flutter ( 6244): #37     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:173:13)
I/flutter ( 6244): #38     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:123:15)
I/flutter ( 6244): #39     _RenderInkFeatures.paint (package:flutter/src/material/material.dart:510:11)
I/flutter ( 6244): #40     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:2104:7)
I/flutter ( 6244): #41     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:173:13)
I/flutter ( 6244): #42     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:123:15)
I/flutter ( 6244): #43     RenderCustomPaint.paint (package:flutter/src/rendering/custom_paint.dart:564:11)
I/flutter ( 6244): #44     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:2104:7)
I/flutter ( 6244): #45     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:173:13)
I/flutter ( 6244): #46     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:123:15)
I/flutter ( 6244): #47     PaintingContext.pushClipPath.<anonymous closure> (package:flutter/src/rendering/object.dart:444:81)
I/flutter ( 6244): #48     ClipContext._clipAndPaint (package:flutter/src/painting/clip.dart:29:12)
I/flutter ( 6244): #49     ClipContext.clipPathAndPaint (package:flutter/src/painting/clip.dart:41:5)
I/flutter ( 6244): #50     PaintingContext.pushClipPath (package:flutter/src/rendering/object.dart:444:7)
I/flutter ( 6244): #51     RenderClipPath.paint (package:flutter/src/rendering/proxy_box.dart:1493:15)
I/flutter ( 6244): #52     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:2104:7)
I/flutter ( 6244): #53     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:173:13)
I/flutter ( 6244): #54     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:123:15)
I/flutter ( 6244): #55     RenderDecoratedBox.paint (package:flutter/src/rendering/proxy_box.dart:1945:11)
I/flutter ( 6244): #56     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:2104:7)
I/flutter ( 6244): #57     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:173:13)
I/flutter ( 6244): #58     RenderShiftedBox.paint (package:flutter/src/rendering/shifted_box.dart:70:15)
I/flutter ( 6244): #59     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:2104:7)
I/flutter ( 6244): #60     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:173:13)
I/flutter ( 6244): #61     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:123:15)
I/flutter ( 6244): #62     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:2104:7)
I/flutter ( 6244): #63     PaintingContext._repaintCompositedChild (package:flutter/src/rendering/object.dart:128:11)
I/flutter ( 6244): #64     PaintingContext.repaintCompositedChild (package:flutter/src/rendering/object.dart:96:5)
I/flutter ( 6244): #65     PipelineOwner.flushPaint (package:flutter/src/rendering/object.dart:859:29)
I/flutter ( 6244): #66     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding.drawFrame (package:flutter/src/rendering/binding.dart:349:19)
I/flutter ( 6244): #67     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding&WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:701:13)
I/flutter ( 6244): #68     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:286:5)
I/flutter ( 6244): #69     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1012:15)
I/flutter ( 6244): #70     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:952:9)
I/flutter ( 6244): #71     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:864:5)
I/flutter ( 6244): #75     _invoke (dart:ui/hooks.dart:219:10)
I/flutter ( 6244): #76     _drawFrame (dart:ui/hooks.dart:178:3)
I/flutter ( 6244): (elided 5 frames from class _AssertionError and package dart:async)
I/flutter ( 6244): 
I/flutter ( 6244): The following RenderObject was being processed when the exception was fired:
I/flutter ( 6244):   HiringBustRenderObject#4aafe
I/flutter ( 6244):   creator: HiringBust ← DecoratedBox ← ConstrainedBox ← Container ← Wrap ← WorkTeam ← Column ←
I/flutter ( 6244):   TeamProgressIndicator ← Column ← Padding ← Listener ← _GestureSemantics ← ⋯
I/flutter ( 6244):   parentData: <none> (can use size)
I/flutter ( 6244):   constraints: BoxConstraints(w=71.0, h=71.0)
I/flutter ( 6244):   size: Size(71.0, 71.0)
I/flutter ( 6244): This RenderObject has no descendants.
I/flutter ( 6244): ════════════════════════════════════════════════════════════════════════════════════════════════════
I/flutter ( 6244): Another exception was thrown: 'dart:ui/painting.dart': Failed assertion: line 187: '<optimized out>': is not true.
I/chatty  ( 6244): uid=10192(dev.flutter.devRpg) 1.ui identical 12 lines
I/flutter ( 6244): Another exception was thrown: 'dart:ui/painting.dart': Failed assertion: line 187: '<optimized out>': is not true.
I/flutter ( 6244): Another exception was thrown: 'dart:ui/painting.dart': Failed assertion: line 187: '<optimized out>': is not true.
I/chatty  ( 6244): uid=10192(dev.flutter.devRpg) 1.ui identical 4 lines
I/flutter ( 6244): Another exception was thrown: 'dart:ui/painting.dart': Failed assertion: line 187: '<optimized out>': is not true.
I/flutter ( 6244): Another exception was thrown: 'dart:ui/painting.dart': Failed assertion: line 187: '<optimized out>': is not true.
I/chatty  ( 6244): uid=10192(dev.flutter.devRpg) 1.ui identical 16 lines
I/flutter ( 6244): Another exception was thrown: 'dart:ui/painting.dart': Failed assertion: line 187: '<optimized out>': is not true.
I/flutter ( 6244): Another exception was thrown: 'dart:ui/painting.dart': Failed assertion: line 187: '<optimized out>': is not true.
I/chatty  ( 6244): uid=10192(dev.flutter.devRpg) 1.ui identical 10 lines

It's an assertion, so won't show up in production, but it definitely signifies something fishy. Especially since it's thrown from dart:ui/painting.dart. Unfortunately, the exact line is optimized out (even though we're in debug mode, which is a surprise to me).

build failed (flare_flutter/lib/flare.dart:1023)

file:///C:/Users/17080854/AppData/Roaming/Pub/Cache/git/Flare-Flutter-4aebb0ff5b98c7bcf2183c6bac8226cc7ddf5402/flare_flutter/lib/flare.dart:1023:18: Error: The argument type 'Int32List' can't be assigned to the parameter type 'Uint16List'.

'Int32List' is from 'dart:typed_data'.
'Uint16List' is from 'dart:typed_data'.
Try changing the type of the parameter, or casting the argument to 'Uint16List'.
indices: _indices, textureCoordinates: _uvBuffer);

Need to test balancing of characters [p1]

are the costs/skills such that we're forcing people to hire more characters? (we should)
Are characters too powerful?

Chompy code shouldn't include comments

also should be shorter
also should have different code the 2nd time from the first.

Blurry home screen characters on high res devices (iPad)

If it doesn't negatively affect performance, it would be nice to use higher resolution characters (since we have them) on this screen…

Character modal should have a max height

This modal should probably not scale more than its contents' height. Separately, and not as important, we might want to give the character area a darker background… the glows don't look great on the white background.

3 characters across grid and tweak relative grid sizing

for the super large layout, we should have 3 characters across the top.
Also, let's be honest, they are the most visually exciting thing on the app -- we could make that column take up more screen real-estate in general (50% ? 40%?)
The tasks to be worked on can be the same size, but make the "completed"/launch column narrower.

iPhone XR and XS Max are displaying landscape mode even when in portrait

I like how Jack is rolling his eyes at this bug.

Some of the characters (Jack and Sourcerer especially) are too big for the space

If you tap on the Sourcerer or Jack to see the detailed view on the teams page, their heads are a bit big and get cut off on the screen. We probably want to make them a little smaller (the Refactorer doesn't have this issue).

the User Experience Researcher, Program Manager, Test Engineer, and Avante Garde Designer are also a little large, but the first two mentioned are the most problematic.

tap button to "boost" might be a little too small [p5]

for my index finger, I tap and accidentally keep bringing up the "assign team" bottom drawer

home about

HUAWEI Honor 8
about page bottom overflowed by 78pixels

Problem assigning developer to a task

Env: iPad Pro 10.5, the game is from App Store

Steps to reproduce:

open new task or bug dialog
scroll to the right to select a developer
select developer (fast)

Current result: dialog is closed without developer selected
Expected result: the developer is selected

It's easy to reproduce in my env. Very annoying when I'm tried to play.

If you haven't hired any characters and try to complete a task, you should get a reminder about that

If you haven't hired anyone and you try to assign people to a task, you just get a blank white screen. Might be helpful for there to be some text there that says somethign like "hire some teammates to complete this task!"

increase font size for TV [p1]

As mentioned before, we have a lot of whitespace on the TV screens. While the current text is certainly legible, we can benefit from making it more viewable across the room by increasing the font size (a fair bit I think).

Tasks

HUAWEI Honor 8
Tasks add tasks item overflowed 2.0 pixels

Bug list too wide in landscape

The bug list bottom sheet fills the width of the screen in landscape.

"fadeOverlay" on teams page prevents proper vertical scrolling behavior

There is this gradient widget:
https://github.com/2d-inc/dev_rpg/blob/master/lib/src/game_screen/character_pool_page.dart#L41
that gives a nice fade-effect at the bottom of the character list, but it doesn't respond to touch events, and so if you attempt to scroll up-down, it ends up trying to switch tabs. We need it to hand the touch events it receives back to the GridView so that it can scroll properly, even if the user touches on that faded area.

Minigame launch warning?

I just did some user testing on the app with Flutter team-members.
The launching of the minigame was a bit of a surprise for them. Perhaps we should introduce a quick little modal before the fullscreen that says "to launch [Alpha/Beta/1.0] you must first complete this minigame"?

I think we need three layouts :-( [p0]

The new version of the three column layout may work for the TV (? Might be weird there too), but I think the characters are too small for laptop, and we ARE going to have some laptops/tablets with this game. See picture.

In three column layout, no way to show that a character can be upgraded? [p2]

in the phone view we have the tabs. do we need some sort of visual indication of that in the widescreen layout?

Character skill level a little hard to read for low levels

When the characters are at a low level, the little color dots are a little hard to see. I'm wondering if we can adjust it in some way to make them easier to read? (just a little wider? numbers?)

final screen not launching? [p0]

I played through the game (defeated the style sphinx) but I never saw the pop up come to say how well I did. After that I was unable to assign team members to new tasks or "launch" other "finished" tasks.

when I finish beta but haven't finished all the tasks, I should be able to collapse the subtasks by tapping the blue arrow

right now tapping that seems to just close the modal

"users" flare widget disappearing? [p4]

the users widget (This was on the TV) seemed to disappear after a while? The text was there but there wasn't anything next to the text.

Completed tasks not visible

I suspect this is because it's going to desktop mode in the other column? This is the iPhone X simulator btw (homepage looked correct here, I wasn't getting the desktop/tablet mode).

Perceivable jank in the team tab

I'm pretty sure the jank is there even in production, even on high end phones.

If it's not just me holding it wrong, I think this is a blocker, and we should do everything in our power to fix it.

AFAIK, this is mostly about the Flare widgets being shown for the first time. An initial idea, if that's the case, is to scatter the showing of the flare files. A more drastic measure is to use a bitmap instead, and only use Flare when we must.

But first, @efortuna — can you please try and run the app in --production on some real world device? I've tried the two (Android and iOS) devices available to me and I'm pretty sure I see jank on both.

Open Source Animations in Flare?

Hi!
Thank you very much for an amazing repo and showcase of both Flutter and Flare.

I am sorry if this is not the correct channel for this type of question, but I was not sure where to reach out to you.
I wanted to ask if you would open source the source Flare file for the animations used in this project? I was inspired by this project to start work on a similar game, and it would be very educational and interesting to see how these amazing animations were made.

Thanks again.

Notification bubble should highlight tasks when you have new tasks available

I think the notification bubble should appear when there's something new, and it should be cleared when you navigate to that tab. Right now it seems to always stay on the Team tab for me.

Right now, after you've hired someone, a task becomes available, but we don't highlight the tasks tab... so if you're a newcomer you don't know what to do next.

Note: the image below is a design comp, not the app.

should the two "founders" be not-upgrade-able?

right now you can play through and just upgrade the two founders because they cover all the bases. I want us to force the player to hire some more folks to their team. Perhaps we should make these first two that you hire non-upgradeable? @filiph thoughts?

RenderFlex overflowed in Skills Required

flutter: ══╡ EXCEPTION CAUGHT BY RENDERING LIBRARY ╞═════════════════════════════════════════════════════════
flutter: The following message was thrown during layout:
flutter: A RenderFlex overflowed by 21 pixels on the right.
flutter:
flutter: The overflowing RenderFlex has an orientation of Axis.horizontal.
flutter: The edge of the RenderFlex that is overflowing has been marked in the rendering with a yellow and
flutter: black striped pattern. This is usually caused by the contents being too big for the RenderFlex.
flutter: Consider applying a flex factor (e.g. using an Expanded widget) to force the children of the
flutter: RenderFlex to fit within the available space instead of being sized to their natural size.
flutter: This is considered an error condition because it indicates that there is content that cannot be
flutter: seen. If the content is legitimately bigger than the available space, consider clipping it with a
flutter: ClipRect widget before putting it in the flex, or using a scrollable container rather than a Flex,
flutter: like a ListView.
flutter: The specific RenderFlex in question is:
flutter: RenderFlex#2f6d7 relayoutBoundary=up11 OVERFLOWING
flutter: creator: Row ← Padding ← Column ← DecoratedBox ← Container ← ClipRRect ← ConstrainedBox ← Align ←
flutter: LayoutBuilder ← RpgLayoutBuilder ← TeamPickerModal ← DefaultTextStyle ← ⋯
flutter: parentData: offset=Offset(15.0, 0.0) (can use size)
flutter: constraints: BoxConstraints(w=370.0, 0.0<=h<=Infinity)
flutter: size: Size(370.0, 32.0)
flutter: direction: horizontal
flutter: mainAxisAlignment: start
flutter: mainAxisSize: max
flutter: crossAxisAlignment: center
flutter: textDirection: ltr
flutter: verticalDirection: down

if you tap on a completed issue you can still "assign team members" to the task

save data

Why is there no storage function, I have no data to re-enter it?

Possible Flare bug in hit-test / sizing

Repro:

checkout bfa130b (current HEAD — just making sure it's recorded you get to this later)
run flutter drive --target=test_driver/performance.dart --profile (as documented here in the README, you can omit --profile in this case)
the test will never go past https://github.com/2d-inc/dev_rpg/blob/master/test_driver/performance_test.dart#L62 (the last log is [warning] FlutterDriver: tap message is taking a long time to complete...

The easiest way to fix this is to remove the only Flare widget on that screen:

remove https://github.com/2d-inc/dev_rpg/blob/master/lib/src/welcome_screen.dart#L55-L60 (StartScreenHero) or replace it with any other widget
try again

Now Flutter Driver should successfully tap the button. (It will fail just after that, probably because of the same issue.)

I assume this is somehow related to either hitTest or sizing. But I didn't have luck fixing it with things like bool hitTest(...) => false or changing the size.

Landscape / large screen layout needed

I know you know, I just wanted an issue to track this.

Here's the current design on the actual device, as a video walkthrough.
https://photos.app.goo.gl/C5kmmCE2RgFJZ8D77

Hopefully the problems you see above are the same you'll see on a table device. If not, do borrow the chromebox to be sure.

Things to fix:

Huge face on first screen
Buttons are too horizontal (plus relatively small vertical target size)
Too-big grid tiles in team page
Bottom tabs too small and far apart
Portraits on the team assignment screen are weirdly positioned and cut off (0:45)
Close buttons of modals are probably too small, relatively speaking

Note: There's still a little bit of jank on first "Start" (watch the ink splash freeze), but that's not the point of this issue. (If you want, we can track this elsewhere.)

Character modal overflows on smaller screen for characters with three skills

Two of the characters (Jack of all Trades and Sourcerer) intentionally have three different skills... which means that on smaller screens like the iPhone 8, the upgrade/hire button falls off the screen. I already tried to shorten the descriptions, but it's still a bit large. Perhaps we should shrink the padding between the skills slightly?

If we absolutely have to I can trim the descriptions further but they already feel pretty basic at this point.

Number of tasks and bugs do not correspond to what's available in the bottom sheet

As the game progresses, the number of tasks in the task button, and bugs in the bug button, do not correspond to what's shown in the selection list in the bottom sheet.

Game became unwinnable as not tasks were visible.

Split AspectContainer out into separate package?

Hi. Would you please consider releasing AspectContainer as a separate package?

More info

Just watched the Google I/O Pragmatic State Management talk (really great by the way!) and came here to look through the code and learn more about using package:provider for state management. The talk mentioned that you can provide anything with package:provider. It's really interesting that instead of providing ChangeNotifier this app is providing AspectContainer.

My question is: do you think the community would benefit from having AspectContainer as a separate package?

I imagine 'heavily interdependent changing all the time game-simulation-like' state is needed in other apps. The released package could link to developer_quest as an example of how to use the package.

For anyone coming to this that wants to look into `AspectContainer`:

See usage here:
https://github.com/2d-inc/developer_quest/blob/master/lib/src/shared_state/game/world.dart#L14

@filiph 's pull request:
fcd5382#diff-39e5cc7bb8c3938d1bb45de6cd3a76af

What is it all about?

/// An aspect of the game world that can be listened to.
///
/// This is like a [ChangeNotifier], but it uses the concept of dirtiness.
///
/// This is a very game-centric approach, geared toward state that is heavily
/// interdependent (like in a game simulation) and that is changed all the time
/// (again, like in a game simulation). You probably do not need this
/// for a regular app. Use regular [ChangeNotifier], which is cleaner.

Sources here:

https://github.com/2d-inc/developer_quest/tree/master/lib/src/shared_state/game/src
https://github.com/2d-inc/developer_quest/blob/master/lib/src/shared_state/game/src/aspect_container.dart
https://github.com/2d-inc/developer_quest/blob/master/lib/src/shared_state/game/src/child_aspect.dart