Approach 1: Create a ValueChanged from Parent Widget add pass to FirstWidget, when change couter -> call ValueChanged to send update to Parent Widget, Parent will update state for second Widget.
Read moreIs Flutter functional programming?
Functional programming in Dart and Flutter . All the main functional programming types and patterns fully documented, tested, and with examples. Fpdart is fully documented. You do not need to have any previous experience with functional programming to start using fpdart .
Read moreHow do you call a function in Flutter?
To call a function of a parent, you can use the callback pattern . In this example, a function on the color selected is passed to the child. The child calls the function when a button is pressed: import ‘package:flutter/material.
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