Error of Member not found: 'UnicodeChar' after Upgrade to Flutter 3.0

[Solved] Error of Member not found: 'UnicodeChar' after Upgrade to Flutter 3.0 


 After upgrading to flutter 3.0 you will get below error if you run,

Flutter Error: Member not found: ‘UnicodeChar’

To solve this error, do the below things

  1. run flutter clean
  2. delete pubspec.lock file
  3. flutter pub get.



[Solved] error member not found 'package root' . io.Platform.packageRoot; // ignore:deprected_member_use




to solve this problem you can write 3 commands in terminal

1. flutter pub upgrade 2. flutter clean 3. flutter pub get I have also fixed the following error Your project requires a newer version of the kotlin gradle plugin [Solved] | Flutter gradle error


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