For me, there is no "right ways". There is a way to fit your needs. You do not gonna use the same solution for a todo app and a shopping app. Even if your app has a simple flow, stateful widgets could be a good choice. The packages provider and scoped model works with streams/rx if you need a robust solution. If you feel more comfortable with Redux or mobX, no worries.
Thanks I think that probably streams give me a simple api to work not a basic one just simple, I read that now provider package is the way :D you have experice? and at your experience whats a good source or course for flutter I learned in some Udemy courses and the app brewry ones and some Youtube videos but there are many different approachs :$
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