pull_to_refresh 1.0.7

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

example/lib/main.dart

import 'ui/MainActivity.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(

      title: 'Pulltorefresh Demo',
      debugShowCheckedModeBanner:   false,
      theme: new ThemeData(
        // This is the theme of your application.
        //s
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or press Run > Flutter Hot Reload in IntelliJ). Notice that the
        // counter didn't reset back to zero; the application is not restarted.
        primarySwatch: Colors.blue,
      ),
      home: new MainActivity(title: 'Pulltorefresh'),
    );
  }
}