Simple esquema para funcionamiento del provider.
A modo demostrativo, no aconsejo que se use tal como esta para un proyecto mayor, ya que le faltan muchas más configuraciones para que puedas usarlo sin inconvenientes.
This project is a starting point for a Flutter application.
A few resources to get you started if this is your first Flutter project:
For help getting started with Flutter, view our online documentation, which offers tutorials, samples, guidance on mobile development, and a full API reference.