air_quality 1.0.1 air_quality: ^1.0.1 copied to clipboard
Air quality index using the https://waqi.info/ endpoint.
/*
* 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)),
),
);
}
}