Bad state: Stream has already been listened to.

See original GitHub issue

Issue: I am calling notification in xyz.dart page I have made initialization correctly though when the notification displayed and when I clicked on it does not open the desired page but instead of any button click on the page it listening to that time and I am getting this issue.

Bad state: Stream has already been listened to.

log:

`════════ Exception caught by widgets library ═══════════════════════════════════════════════════════ The following StateError was thrown, building Builder: Bad state: Stream has already been listened to.

The relevant error-causing widget was: MaterialApp file:///D:/code/xyz/lib/main.dart:60:12 When the exception was thrown, this was the stack: #3 _xyzState.initState (package:xyz.dart:136:47) #4 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4765:58) #5 ComponentElement.mount (package:flutter/src/widgets/framework.dart:4601:5) … Normal element mounting (132 frames) #137 Element.inflateWidget (package:flutter/src/widgets/framework.dart:3569:14) …`

Issue Analytics

State:
Created 3 years ago
Comments:7 (2 by maintainers)

Top GitHub Comments

2reactions

Willianocommented, Sep 5, 2021

@josaphatcampos Thank you very much for this wonderful, easy to use and less code package.

This your answer fixed my problem

try{ AwesomeNotifications().actionStream.listen((receivedNotification) {

    Navigator.of(context).pushNamed(AppRoutes.OPERATIONADMIN,
        arguments: {'notifications': receivedNotification});

  });

}catch(e){ print(e); }

1reaction

marcos-bahcommented, Jul 1, 2021

Use inside of Statefull at initState. Its works for me.

@override
  void initState() {
    super.initState();
   AwesomeNotifications().actionStream.listen((receivedNotification) {
      print(receivedNotification);
      Navigator.of(context).pushNamed("/classpage");
 });
}

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