air_quality 1.0.0

Air quality index using the https://waqi.info/ endpoint.

example/lib/main.dart

/*
 * Copyright 2018 Copenhagen Center for Health Technology (CACHET) at the
 * Technical University of Denmark (DTU).
 * Use of this source code is governed by a MIT-style license that can be
 * found in the LICENSE file.
 */
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:air_quality/air_quality.dart';
import 'package:location/location.dart';

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

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

class _MyAppState extends State<MyApp> {
  String message = 'Unknown';
  String key = '9e538456b2b85c92647d8b65090e29f957638c77';
  String city = 'copenhagen';
  AirQuality airQuality;

  @override
  void initState() {
    super.initState();
    airQuality = new AirQuality(key);
    initPlatformState();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    sendQuery();
  }

  void sendQuery() async {
//    AirQualityData data = await airQuality.getAirQualityFromCity(city);
    Location location = new Location();
    AirQualityData data = await airQuality.getAirQualityFromLocation(location);
    setState(() {
      message = data.toString();
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text("Air Quality API Example"),
        ),
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              Text(
                message,
              ),
            ],
          ),
        ),
        floatingActionButton: FloatingActionButton(
            onPressed: sendQuery, child: Icon(Icons.cloud_download)),
      ),
    );
  }
}