wetterApp/lib/main.dart

import 'package:flutter/material.dart';
import 'package:wetter/components/compact_weather_data.dart';
import 'package:wetter/components/main_menu.dart';
import 'package:wetter/models/daily_weather_model.dart';
import 'package:wetter/services/brightsky_api_service.dart';

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

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  late Future<List<DailyWeatherModel>> dailyWeather;

  @override
  void initState() {
    super.initState();
    dailyWeather = BrightSkyAPI.fetchForecastForTimeRange(
        DateTime.now(), DateTime.now().add(const Duration(days: 7)));
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Wetter',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        textTheme: const TextTheme(
          headline1: TextStyle(fontSize: 72.0, fontWeight: FontWeight.bold),
          headline6: TextStyle(fontSize: 36.0, fontStyle: FontStyle.italic),
          bodyText2: TextStyle(fontSize: 14.0, fontFamily: 'Hind'),
        ),
      ),
      home: Scaffold(
          appBar: AppBar(
            title: const Text('Wetter in Harburg'),
          ),
          drawer: const NavBar(),
          body: RefreshIndicator(
              onRefresh: () {
                return Future(() {
                  setState(() {
                    dailyWeather = BrightSkyAPI.fetchForecastForTimeRange(
                        DateTime.now(),
                        DateTime.now().add(const Duration(days: 7)));
                  });
                });
              },
              child: SingleChildScrollView(
                physics: const AlwaysScrollableScrollPhysics(),
                child: Center(
                  child: FutureBuilder<List<DailyWeatherModel>>(
                    future: dailyWeather,
                    builder: (context, snapshot) {
                      if (snapshot.hasData) {
                        return Column(
                            children: snapshot.data!
                                .map((e) => CompactWeatherData(e))
                                .toList());
                      } else if (snapshot.hasError) {
                        return Text('${snapshot.error}');
                      }

                      // By default, show a loading spinner.
                      return const CircularProgressIndicator();
                    },
                  ),
                ),
              ))),
    );
  }
}