I GOT ERROR The following assertion was thrown building: type 'String' is not a subtype of type 'int' of 'index'

Widget tacheUser(devoirs) {
print(devoirs);
Color color = Color(devoirs["color"] ?? 0xFF42A5F5);

return Row(
  mainAxisAlignment: MainAxisAlignment.spaceBetween,
  children: <Widget>[
    //SizedBox(width: 20,),
    //L'HEURE ICI
    ClipRRect(
      borderRadius: BorderRadius.circular(80.0),
      child: Text(
        "_debut",
        maxLines: 1,
        style: TextStyle(
            fontSize: 20.0, color: Colors.orange[100], letterSpacing: 5),
      ),
    ),
    ClipRRect(
      borderRadius: BorderRadius.circular(80.0),
      child: Padding(
        padding: const EdgeInsets.symmetric(vertical: 15.0),
        child: tacheInfo(devoirs["title"], devoirs["description"], color),
      ),
    ),
    ClipRRect(
      borderRadius: BorderRadius.circular(80.0),
      child: Text(
        "_fin",
        maxLines: 1,
        style: TextStyle(
            fontSize: 20.0, color: Colors.red[200], letterSpacing: 5),
      ),
    ),
  ],
);

}
}

Steps to Reproduce

Run flutter create bug.
Update the files as follows: ...
...

Expected results:

Actual results:

Logs

════════ Exception caught by widgets library ═══════════════════════════════════════════════════════
The following assertion was thrown building:
type 'String' is not a subtype of type 'int' of 'index'

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

When the exception was thrown, this was the stack:
#0 _CalendarPageState.tacheUser (package:ilm/src/screens/calendar/calendar_page.dart:193:33)
#1 _CalendarPageState.build. (package:ilm/src/screens/calendar/calendar_page.dart:162:39)
#2 SliverChildBuilderDelegate.build (package:flutter/src/widgets/sliver.dart:446:15)
#3 SliverMultiBoxAdaptorElement._build. (package:flutter/src/widgets/sliver.dart:1260:67)
#4 _HashMap.putIfAbsent (dart:collection-patch/collection_patch.dart:139:29)
...
════════════════════════════════════════════════════════════════════════════════════════════════════
I/flutter ( 4251): {"color":"Colors.teal","debut":9,"description":"DESCRIPTION 1......","fin":20,"jourDebut":"Lun","jourFin":"Mer","title":"TITRE 2"}

════════ Exception caught by widgets library ═══════════════════════════════════════════════════════
type 'String' is not a subtype of type 'int' of 'index'
════════════════════════════════════════════════════════════════════════════════════════════════════

════════ Exception caught by widgets library ═══════════════════════════════════════════════════════
type 'String' is not a subtype of type 'int' of 'index'
════════════════════════════════════════════════════════════════════════════════════════════════════
Reloaded 7 of 634 libraries in 942ms.
I/chatty ( 4251): uid=10089(com.example.ilm) Thread-2 identical 4 lines
I/flutter ( 4251): {"color":"Colors.teal","debut":9,"description":"DESCRIPTION 1......","fin":20,"jourDebut":"Lun","jourFin":"Mer","title":"TITRE 2"}

@toure5013

@toure5013

change
{"color":"Colors.teal" ...
to
{"color": Colors.teal ...

and

Color color = Color(devoirs["color"] ?? 0xFF42A5F5);
to
Color color = devoirs["color"] ?? Color(0xFF42A5F5);

The Github issue tracker is for bugs and features requests for the Flutter SDK. Help and support questions like these are better suited for Q&A sites like StackOverflow or on one of the flutter community sites at https://flutter.dev/community .

This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.

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I GOT ERROR The following assertion was thrown building: type 'String' is not a subtype of type 'int' of 'index' #56206

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I GOT ERROR The following assertion was thrown building: type 'String' is not a subtype of type 'int' of 'index' #56206

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toure5013 commented on May 2, 2020

imeDevelopers commented on May 2, 2020

jonahwilliams commented on May 2, 2020

github-actions commented on Aug 21, 2021

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