launch.json

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Flutter Debug-Development",
            "request": "launch",
            "type": "dart",
            "program": "lib/main_development.dart",
            "args": [
                "--debug",
                "--flavor",
                "development",
            ]
        },
        {
            "name": "Flutter Release-Development",
            "request": "launch",
            "type": "dart",
            "program": "lib/main_development.dart",
            "args": [
                "--release",
                "--flavor",
                "development",
            ]
        }
    ]
}