Flutter StatefulWidget. Usos

• Scroll infinito aplicado a las ListView
• Paso de datos entre Widgets :

• https://medium.com/flutter-community/simple-ways-to-pass-to-and-share-data-with-widgets-pages-f8988534bd5b
• https://stackoverflow.com/questions/49491860/flutter-how-to-correctly-use-an-inherited-widget/49492495#49492495