Flutter: How do I achieve this button layout for my UI design in flutter?

https://dribbble.com/shots/4602735-Sketch-Symbol-Example-With-Gradients-Alternative-Radius

Flutter: How do I achieve this button layout for my UI design?

i am learning flutter. i want to create button design like this in my flutter.

how to create design like this. this is the sketch: https://drive.google.com/file/d/1KjIoiYSK3affPyIZa4V_pQwqTFih3yes/view?usp=sharing how to button design like this