Build gradle failed caused by namespace issue in Android

[gopelkujo]

Step to reproduce

1. Open your project that using thermal_printer: ^1.0.5 dependencies
2. Run your project on Android Simulator using flutter run

Expected Result

Launching lib/main.dart on sdk gphone64 arm64 in debug mode...
✓ Built build/app/outputs/flutter-apk/app-debug.apk
Connecting to VM Service at ws://*******/osnDiudsGe0=/ws
Connected to the VM Service

Actual Result

Launching lib/main.dart on sdk gphone64 arm64 in debug mode...

FAILURE: Build completed with 2 failures.

1: Task failed with an exception.
-----------
* What went wrong:
A problem occurred configuring project ':thermal_printer'.
> 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: /Users/user/.pub-cache/git/thermal_printer-328a8174b4ae0d67ece77d183ff1f15e4cc4eaa1/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@1d9dc4d6 of type BuildFlowService.Parameters
   > A problem occurred configuring project ':thermal_printer'.
      > 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: /Users/user/.pub-cache/git/thermal_printer-328a8174b4ae0d67ece77d183ff1f15e4cc4eaa1/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.
==============================================================================

BUILD FAILED in 9s
Error: Gradle task assembleDebug failed with exit code 1

Exited (1).

Flutter Doctor

[✓] Flutter (Channel stable, 3.24.3, on macOS 15.1.1 24B91 darwin-arm64, locale en-ID)
[✓] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
[✓] Xcode - develop for iOS and macOS (Xcode 16.0)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2024.1)
[✓] VS Code (version 1.95.3)
[✓] Connected device (5 available)
[✓] Network resources

• No issues found!