Platform call and device_info simple plugin usage

main.dart

import 'dart:io';

import 'package:flutter/material.dart';
import 'package:device_info/device_info.dart';
import 'package:flutter/services.dart';

void main() async {
  DeviceInfoPlugin deviceInfo = DeviceInfoPlugin();
  if (Platform.isAndroid) {
    AndroidDeviceInfo androidInfo = await (deviceInfo.androidInfo);
    print('Running on ${androidInfo.model}');  // e.g. "Moto G (4)"
  }

  if (Platform.isIOS) {
    IosDeviceInfo iosInfo = await (deviceInfo.iosInfo);
    print('Running on ${iosInfo.utsname.machine}');  // e.g. "iPod7,1"
  }

  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) => MaterialApp(title: 'Flutter Demo', theme: ThemeData(primarySwatch: Colors.blue), home: MyHomePage());
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key}) : super(key: key);

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  static const platform = const MethodChannel('com.example.plugin');
  String _platformString = 'Unknown string';

  Future<void> _getPlatformString() async {
    String platformString;
    try {
      final String result = await platform.invokeMethod('plugin_hi');
      platformString = 'string from platform= $result';
    } on PlatformException catch (e) {
      platformString = "Failed to get platform string '${e.message}'.";
    }

    setState( () => _platformString = platformString);

  }
  
  @override
  initState() {
    super.initState();
    _getPlatformString();
  }

  @override
  Widget build(BuildContext context) => Scaffold(
      appBar: AppBar(title: Text("Demo: Log model name in log, platform call result in text")),
      body: Center(child: Text(_platformString)));
}