flutter screen size

double height = MediaQuery.of(context).size.height;
double width = MediaQuery.of(context).size.width;

double width = MediaQuery.of(context).size.width;
double height = MediaQuery.of(context).size.height;

//In logical pixels
var width = MediaQuery.of(context).size.width;
var height = MediaQuery.of(context).size.height;

var padding = MediaQuery.of(context).padding;
var safeHeight = height - padding.top - padding.bottom;

import 'package:flutter_screenutil/flutter_screenutil.dart';

dependencies:
  flutter:
    sdk: flutter
  # add flutter_ScreenUtil
  flutter_screenutil: ^0.4.2