State

gistfile1.txt

import 'dart:async';

class ScreenState {
  final valueElementState = _ElementState(value: 0);
  /// Global state describes a screen state
}


class _ElementState{
  /// Element state describes a view state
  var value; /// You can remove this line if you don't need hold a value
  final id; /// Will need to save state in database
  final valueBroadcaster = StreamController.broadcast();
  get valueStream => valueBroadcaster.stream;

  _ElementState({this.value, this.id}){
    valueBroadcaster.add(value);
    /// Adding a default value in to the StreamController
  }

}

final state = ScreenState();