You can upload and share everything relating to the login/authentication in Flutter. You also can download it, if it’s useful to you.
GUI for login without database
Completed project file is shared in the project file above.
Login and register using MySQL as database
Notes: Check your computer IP address if you want to use localhost, go to command prompt or type CMD in search then type “ipconfig”. Select number with IPv4 Address such as 192.168.110.105