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Questions about null-safety

Read more about null-safety

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Questions - null-safety

A value of type 'StreamSink<dynamic>' can't be returned from the function 'assessmentSink'

class AssessmentBloc { late AssessmentRepository _genRepository; late StreamController assessmentController; late StreamController submitAssessmentController; StreamSink<ApiResponse<...
test-img

FatahZull

flutter

dart

dart-null-safety

null-safety

Votes: 0

Answers: 1

Latest Answer

Try defining the type of stream controller as: late StreamController<ApiResponse<AssessmentModel>> submitAssessmentController;
test-img

Subash

I have a problem with Null Safety an the problem is &#39;Null check operator used on a null value&#39;

It happened when getting some data from firebase and decoding them using model, and here is the method: UserModel? userModel; void getUser() { emit(GetUserLoadingsState()); FirebaseFirestore.instance...
test-img

Alaa Elsweedy

flutter

bloc

dart-null-safety

cubit

null-safety

Votes: 0

Answers: 1

Latest Answer

In order your error message and your code you used null check operator ! in 2 fields; Field should be like this; UserModel? userModel; void getUser() { emit(GetUserLoadingsState()); FirebaseFiresto...
test-img

Mehmet Ali Bayram

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