PlatformException (PlatformException(channel-error, Unable to establish connection on channel., null, null)) WHEN setting up notifications flutter

Question

Hello I am gettting error when i have implemented Firebase notificattions in App PlatformException (PlatformException(channel-error, Unable to establish connection on channel., null, null))

Are you using Firebase in your project? Can you share pubspec.yaml — cksrc
– cksrc, Commented Jul 4, 2022 at 17:41

mselmany · Accepted Answer · 2022-07-05 10:24:19Z

3

I encountered the same issue. In my case, changing the version of firebase_core_platform_interface in pubspec.lock file resolved the issue. It was like the following:

  firebase_core_platform_interface:
    dependency: transitive
    description:
      name: firebase_core_platform_interface
      url: "https://pub.dartlang.org"
    source: hosted
    version: "4.4.3"

And I've changed it to the following:

  firebase_core_platform_interface:
    dependency: transitive
    description:
      name: firebase_core_platform_interface
      url: "https://pub.dartlang.org"
    source: hosted
    version: "4.2.4"

After the change, don't forget to make flutter clean.

answered Jul 5, 2022 at 10:24

mselmany

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1 Comment

Sufyan Kamil Aug 28 at 10:12

If you make any changes in pubspec.lock and run flutter clean command it will reinstall and set the value again.

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