Flutter: getDeviceId

import 'dart:io';
import 'package:device_info/device_info.dart';

static Future<String> getDeviceId() async {
    String result;
    DeviceInfoPlugin deviceInfo = DeviceInfoPlugin();
    if (Platform.isAndroid) {
      AndroidDeviceInfo androidInfo = await deviceInfo.androidInfo;
      result = androidInfo.id;
    }
    if (Platform.isIOS) {
      IosDeviceInfo iosInfo = await deviceInfo.iosInfo;
      result = iosInfo.identifierForVendor;
    }
    return result;
  }