/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/ffi-0.1.3/lib/src/utf8.dart:63:33: Error: The getter ‘addressOf’ isn’t defined for the class ‘Utf8’.

• ‘Utf8’ is from ‘package:ffi/src/utf8.dart’ (‘/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/ffi-0.1.3/lib/src/utf8.dart’). Try correcting the name to the name of an existing getter, or defining a getter or field named ‘addressOf’. String toString() => fromUtf8(addressOf); ^^^^^^^^^ /C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_svg-0.18.1/lib/src/picture_provider.dart:50:59: Error: No named parameter with the name ‘nullOk’. context != null ? Localizations.localeOf(context, nullOk: true) : null, ^^^^^^ /C:/src/flutter/packages/flutter/lib/src/widgets/localizations.dart:413:17: Context: Found this candidate, but the arguments don’t match. static Locale localeOf(BuildContext context) { ^^^^^^^^ /C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_windows-0.0.4+3/lib/src/path_provider_windows_real.dart:126:25: Error: The getter ‘addressOf’ isn’t defined for the class ‘GUID’.

FAILURE: Build failed with an exception.

• Where: Script ‘C:\src\flutter\packages\flutter_tools\gradle\flutter.gradle’ line: 1035
• What went wrong: Execution failed for task ‘:app:compileFlutterBuildDebug’.

Process ‘command ‘C:\src\flutter\bin\flutter.bat” finished with non-zero exit value 1

• Try: Run with –stacktrace option to get the stack trace. Run with –info or –debug option to get more log output. Run with –scan to get full insights.

Solution:

I got this error today. Here is what I did,

1. Deleted .idea folder and build folder as well as pubspec-lock file.
2. run flutter pub get

1. flutter clean
2. flutter pub get

after that app run successfully