streamController = new StreamController( To send data, use add method with the data as the argument . streamController. add(“This a test data”); If error occurs, instead of sending data, you can send error by using addError method.
Read morestreamController = new StreamController( To send data, use add method with the data as the argument . streamController. add(“This a test data”); If error occurs, instead of sending data, you can send error by using addError method.
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