![flutter - How can I solve the problem with the build runner: "This requires the 'non-nullable' language feature to be enabled."? - Stack Overflow flutter - How can I solve the problem with the build runner: "This requires the 'non-nullable' language feature to be enabled."? - Stack Overflow](https://i.stack.imgur.com/IqqjI.png)
flutter - How can I solve the problem with the build runner: "This requires the 'non-nullable' language feature to be enabled."? - Stack Overflow
![Automatically run build_runner when opening a Dart or Flutter project · Issue #1211 · Dart-Code/Dart-Code · GitHub Automatically run build_runner when opening a Dart or Flutter project · Issue #1211 · Dart-Code/Dart-Code · GitHub](https://user-images.githubusercontent.com/28401593/53976307-0b335200-4107-11e9-8085-e773490acf72.png)
Automatically run build_runner when opening a Dart or Flutter project · Issue #1211 · Dart-Code/Dart-Code · GitHub
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