import 'package:flutter/material.dart'; extension ContextExtension on BuildContext{ Color get primaryColor => Theme.of(this).primaryColor; Color get accentColor => Theme.of(this).accentColor; Color get scaffoldBackgroundColor => Theme.of(this).scaffoldBackgroundColor; Color get primaryColorDark => Theme.of(this).primaryColorDark; Brightness get brightness => Theme.of(this).brightness; double get width => MediaQuery.of(this).size.width; double get height => MediaQuery.of(this).size.width; TextTheme get textTheme => Theme.of(this).textTheme; }