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main.dart
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main.dart
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import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;
void main() {
runApp(MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({Key? key}) : super(key: key);
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
int temperature = -5000;
String location = "Casablanca";
int woeid = 1532755;
String weather = "clear";
String abbreviation = "sn";
String errorMgs= "";
//API
String searchApiUrl =
"https://www.metaweather.com/api/location/search/?query=";
String locationApiUrl = "https://www.metaweather.com/api/location/";
initState() {
super.initState();
fetchLocation();
}
Future<void> fetchSearch(String input) async {
try {
var SearchResult = await http.get(Uri.parse(searchApiUrl + input));
var result = json.decode(SearchResult.body)[0];
setState(() {
location = result['title'];
woeid = result['woeid'];
});
errorMgs = "";
}
catch(error)
{
setState(() {
errorMgs = "Error..nothing to show, Please try another city";
});
}
}
Future<void> fetchLocation() async {
var locationResult =
await http.get(Uri.parse(locationApiUrl + woeid.toString()));
var result = json.decode(locationResult.body);
var consolidated_weather = result["consolidated_weather"];
var data = consolidated_weather[0];
setState(() {
temperature = data['the_temp'].round();
weather = data["weather_state_name"].replaceAll(' ', '').toLowerCase();
// Weather Icon
abbreviation = data["weather_state_abbr"];
});
}
Future<void> onTextFieldSubmitted(String input) async {
await fetchSearch(input);
await fetchLocation();
}
@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
home: Container(
decoration: BoxDecoration(
image: DecorationImage(
image: AssetImage('images/$weather.png'), fit: BoxFit.cover)),
child: temperature == -5000
? Center(
child: CircularProgressIndicator(),
)
: Scaffold(
backgroundColor: Colors.transparent,
body: Column(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
Column(
children: [
Center(
child: Image.network(
'https://www.metaweather.com/static/img/weather/png/$abbreviation.png',
width: 170,
),
),
Center(
child: Text(
temperature.toString() + ' C',
style: TextStyle(
color: Colors.white,
fontSize: 100,
),
),
),
Center(
child: Text(
location,
style: TextStyle(
color: Colors.white,
fontSize: 40,
),
),
)
],
),
Column(children: [
Container(
width: 300,
child: TextField(
onSubmitted: (String input) {
onTextFieldSubmitted(input);
},
style: TextStyle(color: Colors.white, fontSize: 24),
decoration: InputDecoration(
hintText: 'Search a city..',
hintStyle:
TextStyle(color: Colors.white, fontSize: 20),
prefixIcon: Icon(
Icons.search,
color: Colors.white,
)),
),
),
Container(
child: Text(
errorMgs,textAlign: TextAlign.center,
style: TextStyle(color: Colors.red, fontSize: 18),
),
)
])
],
),
),
),
);
}
}