Light Record Button (made in Flutter)

This is a light version of:
https://dribbble.com/shots/11937489-Dark-Record-Button-made-in-Flutter
This is designed with a code and made in Flutter without any 3rd-party dependencies (it's written a in pure Dart). You can see it, play with colors and other parameters in code, alive, online, here:
https://dartpad.dev/215324b07914c83f9a978450a12cb360

Check it as a part of the application itself at Google Play Store. Feedback is welcome, thanks for watching!