Dart Media Query example

media-query-example.dart

import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        appBar: AppBar(
          title: Text('Greeting'),
        ),
        body: Center(
          child: MyWidget(),
        ),
      ),
    );
  }
}

class MyWidget extends StatelessWidget {
  @override
  Widget build(context) {
    var query = MediaQuery.of(context);
    return Container(
      child: Column(
        children: [
          Text("Width: ${query.size.width}"),
          Text("Height: ${query.size.height}"),
          Text("Orientation: ${query.orientation}"),
        ]
      )
    );
  }
}