Both the IDE are really good. But Android Studio takes more time to open and it also consume more memory than VS Code . If you are beginner then go for Android Studio but after some time you can shift to VS code.
Read moreCan I use Visual Studio for Flutter?
You can install Android Studio, IntelliJ IDEA, or Visual Studio Code and install the Flutter and Dart plugins to enable language support and tools for refactoring, running, debugging, and reloading your desktop app within an editor.”
Read moreHow do I create a Flutter app in Visual Studio?
Creating projects
Read more