You don’t specifically need Android Studio, all you need is the Android SDK, download it and set the environment variable to the SDK path for the flutter installation to recognise that.
Do you need to use Android Studio?
If you do not need Android Studio, you can download the basic Android command line tools below. You can use the included sdkmanager to download other SDK packages. These tools are included in Android Studio.
Do you need Android Studio to make Android app?
Use Android Studio and Java to write Android apps
You write Android apps in the Java programming language using an IDE called Android Studio. Based on JetBrains’ IntelliJ IDEA software, Android Studio is an IDE designed specifically for Android development.