Learning Flutter - Flutter Framework

  Create Model of models/counter_model.dart class CounterModel { int _count = 0 ; int get count => _count; void increment() { _count++; } void decrement() { _count--; } }  Create Controller of controllers/counter_controller.dart import '../models/counter_model.dart' ; class CounterController { CounterModel model = CounterModel(); int get count => model.count; void increment() { model.increment(); } void decrement() { model.decrement(); } } Create view of views/counter_view.dart import 'package:flutter/material.dart' ; import '../controllers/counter_controller.dart' ; class CounterView extends StatefulWidget { const CounterView ({super.key}); @override State<CounterView> createState () => _CounterViewState (); } class _CounterViewState extends State < CounterView > { final CounterController _controller = CounterController (); @override Widget build (BuildContext contex...