WidgetsBinding.instance?.addPostFrameCallback((_) { - Githubissues

diegoveloper / flutter_percent_indicator

Flutter percent indicator library

BSD 2-Clause "Simplified" License

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WidgetsBinding.instance?.addPostFrameCallback((_) { #146

Closed haleem13 closed 2 years ago

haleem13 commented 2 years ago

hi there, i am facing this problem can you please help me to fix this. Error /[C:/flutter/.pub-cache/hosted/pub.dartlang.org/percent_indicator-3.4.0/lib/linear_percent_indicator.dart:156:20](): Warning: Operand of null-aware operation '?.' has type 'WidgetsBinding' which excludes null.

'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('/[C:/flutter/packages/flutter/lib/src/widgets/binding.dart]()'). package:flutter/…/widgets/binding.dart:1 WidgetsBinding.instance?.addPostFrameCallback((_) { ^

diegoveloper commented 2 years ago

run flutter doctor, which version of Flutter?