sura_manager 0.0.2

A class implementation to handle async value with Flutter widget

example/lib/main.dart

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

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Sura Manager Example',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  FutureManager<int> dataManager = FutureManager();

  @override
  void initState() {
    dataManager.asyncOperation(() async {
      await Future.delayed(Duration(seconds: 2));
      //Add 10 into our dataManager
      return 10;
    });
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    //Use with FutureManagerBuilder
    return Scaffold(
      appBar: AppBar(actions: [
        IconButton(
          icon: Icon(Icons.refresh),
          onPressed: () {
            //call our asyncOperation again
            dataManager.refresh();
          },
        )
      ]),
      body: FutureManagerBuilder<int>(
        futureManager: dataManager,
        error: (error) => Text(error.toString()),
        loading: Center(child: CircularProgressIndicator()),
        ready: (context, data) {
          //result: My data: 10
          return Text("My data: $data");
        },
      ),
    );
  }
}