For adding some flutter tools to, presumably, some sort of white list
https://medium.com/@alexandrosbaramilis/setting-up-flutter-on-macos-catalina-d023df8845ae
For accepting android licenses (sdkmanager must be installed!)
https://stackoverflow.com/questions/38096225/automatically-accept-all-sdk-licences
For using the JDK that comes with Android Studio (to get rid of the odd terminal prompt that hints that one needs to install Java)