通过Flutter获取设备货币

dependencies:
  flutter:
    sdk: flutter
  flutter_localizations:
    sdk: flutter
  intl: ^0.17.0

import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:intl/intl.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      localizationsDelegates: [
        GlobalMaterialLocalizations.delegate,
        GlobalWidgetsLocalizations.delegate,
      ],
      supportedLocales: [
        const Locale('en', 'US'), // 英文
        const Locale('zh', 'CN'), // 中文
      ],
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    var currency = NumberFormat.simpleCurrency(locale: Localizations.localeOf(context).toString());
    
    return Scaffold(
      appBar: AppBar(
        title: Text('Device Currency'),
      ),
      body: Center(
        child: Text('Device Currency: ${currency.currencySymbol}'),
      ),
    );
  }
}