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MarcinusX / bmi_calculator

BMI Calculator app designed by Johny Vino
https://marcinszalek.pl/tag/bmi-calculator/
MIT License
400 stars 118 forks source link

Throws Error #13

Open ManuchekhrT opened 4 years ago

ManuchekhrT commented 4 years ago

The following assertion was thrown building GenderCard(dirty, dependencies: [MediaQuery], state: _GenderCardState#eeae4): 'package:flutter/src/widgets/transitions.dart': Failed assertion: line 125 pos 15: 'listenable != null': is not true.

Either the assertion indicates an error in the framework itself, or we should provide substantially more information in this error message to help you determine and fix the underlying cause. In either case, please report this assertion by filing a bug on GitHub: https://github.com/flutter/flutter/issues/new?template=BUG.md

User-created ancestor of the error-causing widget was: Expanded file:///D:/FlutterProjects/simple_bmi_app/lib/input_page.dart:59:17 When the exception was thrown, this was the stack:

2 new AnimatedWidget (package:flutter/src/widgets/transitions.dart:125:15)

3 new GenderArrow (package:simple_bmi_app/gender_card.dart:210:57)

4 _GenderCardState._drawCircleIndicator (package:simple_bmi_app/gender_card.dart:90:9)

5 _GenderCardState._drawMainStack (package:simple_bmi_app/gender_card.dart:75:11)

6 _GenderCardState.build (package:simple_bmi_app/gender_card.dart:61:22)

...

daniil-shumko commented 4 years ago

What is the version of flutter are you using? Can you send what flutter doctor outputs?