如何在Flutter应用程序中显示阿拉伯语格式的数字？
而不是显示数字为1，2，3我需要显示它们为，，
我尝试使用NumberFormat类，但它不起作用。
Flutter医生：

Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel dev, v0.8.2, on Microsoft Windows [Version 10.0.17134.345], locale ar-SA)
[√] Android toolchain - develop for Android devices (Android SDK 28.0.2)
[√] Android Studio (version 3.1)
[√] IntelliJ IDEA Community Edition (version 2018.2)
[!] VS Code, 64-bit edition (version 1.27.2)
[√] Connected devices (2 available)

! Doctor found issues in 1 category.

示例：

import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';

import 'package:intl/intl.dart';

void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      locale: Locale("ar"),
      home: new Scaffold(
        body: new Center(
          child: new Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              new Text(NumberFormat().format(1)),
              new Text(NumberFormat().format(2)),
              new Text(NumberFormat().format(3)),
            ],
          ),
        ),
      ),
    );
  }
}