I think a better way is to create Flutter project by command line
flutter create --org com.yourdomain your_app_name
This command will create a Simple Counter App
If you want a more advanced template (with a ListView / DetailView / Settings / Theme switch) that follows community best practices run the command (only since the Flutter 2.5 version):
flutter create --org com.yourdomain -t skeleton your_app_name
Swift, Kotlin, and androidx dependencies are the default options
After just open the created project in Android Studio or in VSCode
Parameter
--org com.yourcompany
will form applicationId for Android:
com.yourcompany.yourappname
and iOS PRODUCT_BUNDLE_IDENTIFIER:
com.yourcompany.yourAppName
To explore all possible parameters type
flutter create --help