flutter_easyrefresh 1.1.3

A widget provided to the flutter scroll component drop-down refresh and pull up load.

example/lib/main.dart

import 'package:example/generated/application.dart';
import 'package:example/generated/translations.dart';
import 'package:example/page/home_page.dart';
import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';

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

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => new _MyAppState();
}

class _MyAppState extends State<MyApp> {
  SpecificLocalizationDelegate _localeOverrideDelegate;

  @override
  void initState(){
    super.initState();
    /// 初始化一个新的Localization Delegate，有了它，当用户选择一种新的工作语言时，可以强制初始化一个新的Translations
    _localeOverrideDelegate = new SpecificLocalizationDelegate(null);

    /// 保存这个方法的指针，当用户改变语言时，我们可以调用applic.onLocaleChanged(new Locale('en',''));，通过SetState()我们可以强制App整个刷新
    applic.onLocaleChanged = onLocaleChange;
  }

  /// 改变语言时的应用刷新核心，每次选择一种新的语言时，都会创造一个新的SpecificLocalizationDelegate实例，强制Translations类刷新。
  onLocaleChange(Locale locale){
    setState((){
      _localeOverrideDelegate = new SpecificLocalizationDelegate(locale);
    });
  }

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      // App名字
      title: 'Flutter Demo',
      // App主题
      theme: new ThemeData(
        primarySwatch: Colors.orange,
      ),
      // 主页
      home: HomePage(),
      // 路由
      routes: <String, WidgetBuilder> {
        '/home': (BuildContext context) => HomePage()
      },
      localizationsDelegates: [
        _localeOverrideDelegate,  // 注册一个新的delegate
        const TranslationsDelegate(),
        GlobalMaterialLocalizations.delegate,
        GlobalWidgetsLocalizations.delegate
      ],
      supportedLocales: applic.supportedLocales(),
    );
  }
}