CODEWITHSUNDEEP
androiddartflutter
Yeahia Md Arif
Yeahia Md Arif

Reputation: 7936

built_value has a dependency conflict with flutter_test

I'm trying to fetch JSON data using built_value serializer but after setting built_value package in yaml file getting an error like:

Because built_value_generator >=5.5.3 depends on analyzer ^0.32.1 and every version of flutter_test from sdk depends on analyzer 0.31.2-alpha.2, built_value_generator >=5.5.3 is incompatible with flutter_test from sdk. So, because tornado_blog_flutter depends on both flutter_test any from sdk and built_value_generator ^5.5.3, version solving failed. pub get failed

How to solve this error?

My yaml file: 

name: flutter_layout
description: A new Flutter application.

dependencies:
  flutter:
    sdk: flutter
  built_collection: '>=2.0.0 <4.0.0'
  built_value: ^5.5.3

  # The following adds the Cupertino Icons font to your application.
  # Use with the CupertinoIcons class for iOS style icons.
  cupertino_icons: ^0.1.2

dev_dependencies:
  flutter_test:
    sdk: flutter

  json_serializable: ^0.5.0
  build_runner: ^0.9.0
  built_value_generator: ^5.5.3

Upvotes: 2

Views: 938

Answers (1)

Danny Tuppeny
Danny Tuppeny

Reputation: 42353

There's some info on this issue here. The version of analyzer used by Flutter needs to be upgraded to solve this.

There's an open issue in Flutter to this here but it doesn't seem to have been done yet.

As a workaround, you could try going back to an earlier version of built_value that doesn't require such a new version of the analyzer.

Upvotes: 3

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