gistfile1.txt

// Should pass the Locale from Localizations to Text/RichText/etc to painting.TextStyle to ui.TextStyle
// https://github.com/flutter/flutter/issues/16408

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

// See also:
// problem description - https://medium.com/@najeira/flutter-and-cjk-font-selection-5dbc6a6164ba
// problem character - http://unicode.org/cldr/utility/character.jsp?a=6B21

class LocalizedFont extends StatelessWidget{
  @override
  Widget build(BuildContext context) {
    final TextStyle style = Theme.of(context).textTheme.display3.copyWith(
      fontFamily: 'NotoSerifCJKjp',
    );
    //final String character = '次'; // http://unicode.org/cldr/utility/character.jsp?a=6B21
    final String character = '骨';

    return new Scaffold(
      body: new Container(
        padding: const EdgeInsets.all(48.0),
        alignment: Alignment.center,
        child: new Row(
          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
          children: <Widget>[
            new Localizations.override(
              context: context,
              locale: const Locale('ja'),
              child: new Text(character, style: style),
            ),
            new Localizations.override(
              context: context,
              locale: const Locale('zh'),
              child: new Text(character, style: style),
            ),
          ],
        ),
      ),
    );
  }
}

void main() {
  runApp(
    new MaterialApp(
      localizationsDelegates: GlobalMaterialLocalizations.delegates,
      supportedLocales: [
        const Locale('en', 'US'),
        const Locale('ja'),
        const Locale('zh'),
      ],
      home: new LocalizedFont()
    ),
  );
}