[tool] Omitting --flavor when there are Android productFlavors yields Exception: Unsupported Android Plugin version: {AGP version from android/build.gradle} #99381
Description
When an Android app has product flavors and the --flavor option is omitted,
Gradle fails with a rather unexpected error.
The Flutter tooling should be able to detect that there are product flavors and that the --flavor option was omitted.
If that is the case, the tool should exit with a better error message.
Steps to Reproduce
- Run
flutter create bug - Add a product flavor section in
app/build.gradle
flavorDimensions "app"
productFlavors {
"dev" {
applicationIdSuffix = "dev"
}
// The flavor name 'test' is forbidden by Gradle.
"prod" {
applicationIdSuffix = "prod"
}
}
- Run the app using
flutter run - Gradle fails with
Exception: Unsupported Android Plugin version: {AGP version from android/build.gradle} - Run the app using
flutter run --flavor={any flavor name} - The app builds and runs correctly.
Expected results: The app runs normally.
Actual results: Gradle fails to build the app.
Logs
Launching lib/main.dart on motorola one in debug mode...
Running Gradle task 'assembleDebug'... 104.9s
Exception: Unsupported Android Plugin version: 7.0.4.
Flutter Doctor
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