A problem occurred configuring project ':barcode_scan2'.

[Yoda-Man]

You are applying Flutter's app_plugin_loader Gradle plugin imperatively using the apply script method, which is deprecated and will be removed in a future release. Migrate to applying Gradle plugins with the declarative plugins block: https://flutter.dev/go/flutter-gradle-plugin-apply

You are applying Flutter's main Gradle plugin imperatively using the apply script method, which is deprecated and will be removed in a future release. Migrate to applying Gradle plugins with the declarative plugins block: https://flutter.dev/go/flutter-gradle-plugin-apply

FAILURE: Build completed with 2 failures.

1: Task failed with an exception.

• What went wrong:
  A problem occurred configuring project ':barcode_scan2'.

Could not create an instance of type com.android.build.api.variant.impl.LibraryVariantBuilderImpl.
Namespace not specified. Specify a namespace in the module's build file: /home/ind/.pub-cache/hosted/pub.dev/barcode_scan2-4.2.4/android/build.gradle. See https://d.android.com/r/tools/upgrade-assistant/set-namespace for information about setting the namespace.

 If you've specified the package attribute in the source AndroidManifest.xml, you can use the AGP Upgrade Assistant to migrate to the namespace value in the build file. Refer to https://d.android.com/r/tools/upgrade-assistant/agp-upgrade-assistant for general information about using the AGP Upgrade Assistant.

• Try:

Run with --stacktrace option to get the stack trace.
Run with --info or --debug option to get more log output.
Run with --scan to get full insights.
Get more help at https://help.gradle.org.
==============================================================================

2: Task failed with an exception.

• What went wrong:
  Failed to query the value of property 'buildFlowServiceProperty'.

Could not isolate value org.jetbrains.kotlin.gradle.plugin.statistics.BuildFlowService$Parameters_Decorated@2fc24054 of type BuildFlowService.Parameters
A problem occurred configuring project ':barcode_scan2'.
> Could not create an instance of type com.android.build.api.variant.impl.LibraryVariantBuilderImpl.
> Namespace not specified. Specify a namespace in the module's build file: /home/ind/.pub-cache/hosted/pub.dev/barcode_scan2-4.2.4/android/build.gradle. See https://d.android.com/r/tools/upgrade-assistant/set-namespace for information about setting the namespace.

       If you've specified the package attribute in the source AndroidManifest.xml, you can use the AGP Upgrade Assistant to migrate to the namespace value in the build file. Refer to https://d.android.com/r/tools/upgrade-assistant/agp-upgrade-assistant for general information about using the AGP Upgrade Assistant.

• Try:

Run with --stacktrace option to get the stack trace.
Run with --info or --debug option to get more log output.
Run with --scan to get full insights.
Get more help at https://help.gradle.org.
==============================================================================

Additional context
Add any other context about the problem here.

[MahmouudGouda]

same problem, have you found a solution ?

[robinbonnes]

I've created a PR, you can use my fork untill this is merged by changing your pubspec.yaml to:

dependencies:
  barcode_scan2:
    git:
      url: https://github.com/robinbonnes/barcode_scan2

[mono0926]

Merged #87 and released v4.3.2 🐶