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Error in debug mode and no response to anything #9

@brianoh

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@brianoh

../../../flutter/.pub-cache/hosted/pub.dartlang.org/flutter_floatwing-0.2.0/lib/src/provider.dart:143:30: Warning: Operand of null-aware operation '?.' has type 'SchedulerBinding' which excludes null.

  • 'SchedulerBinding' is from 'package:flutter/src/scheduler/binding.dart' ('../../../flutter/packages/flutter/lib/src/scheduler/binding.dart').
    SchedulerBinding.instance?.addPostFrameCallback(postFrameCallback);
    20220706-errors

Screen shows a scrollable windows, but appears to not respond to anything.
flutter_01

Flutter 3.0.3 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 676cefaaff (13 days ago) • 2022-06-22 11:34:49 -0700
Engine • revision ffe7b86a1e
Tools • Dart 2.17.5 • DevTools 2.12.2

Flutter Doctor: all ok

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