physical_diagonal 0.0.1 physical_diagonal: ^0.0.1 copied to clipboard
Detects physical screen diagonal in inches
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:physical_diagonal/physical_diagonal.dart';
void main() => runApp(MyApp());
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
double _diagonalSize = 0.0;
@override
void initState() {
super.initState();
initPlatformState();
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
double diagonalSize;
// Platform messages may fail, so we use a try/catch PlatformException.
try {
diagonalSize = await PhysicalDiagonal.platformVersion;
} on PlatformException {
diagonalSize = 0.0;
}
// If the widget was removed from the tree while the asynchronous platform
// message was in flight, we want to discard the reply rather than calling
// setState to update our non-existent appearance.
if (!mounted) return;
setState(() {
_diagonalSize = diagonalSize;
});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Define screen diagonal'),
),
body: Center(
child: (_diagonalSize != 0.0)? Text('Screen diagonal in inches: $_diagonalSize') : Text('Screen size not defined'),
),
),
);
}
}