Tab bar to scroll different location

2022-09-02 22:38:46 +02:00
parent 1b4b82369b
commit 399a99346b
5 changed files with 174 additions and 129 deletions
@@ -0,0 +1,79 @@
+import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import '../components/compact_weather_data.dart';
+import '../models/daily_weather_model.dart';
+import '../services/brightsky_api_service.dart';
+
+class MainWeatherView extends StatefulWidget {
+  final double lat;
+  final double lon;
+
+  const MainWeatherView(this.lat, this.lon, {Key? key}) : super(key: key);
+
+  @override
+  State<MainWeatherView> createState() => _MainWeatherViewState();
+}
+
+class _MainWeatherViewState extends State<MainWeatherView>
+    with AutomaticKeepAliveClientMixin<MainWeatherView> {
+  SharedPreferences? prefs;
+  int _daysToLoad = 7;
+  late Future<List<DailyWeatherModel>> dailyWeather;
+
+  @override
+  bool get wantKeepAlive => true;
+
+  @override
+  void initState() {
+    super.initState();
+    initializePreferences();
+    dailyWeather = BrightSkyAPI.fetchForecastForTimeRange(
+        DateTime.now(), _daysToLoad, widget.lat, widget.lon);
+  }
+
+  Future<void> initializePreferences() async {
+    prefs = await SharedPreferences.getInstance();
+    setState(() {
+      _daysToLoad = prefs!.getInt("daysToLoad") ?? 7;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return RefreshIndicator(
+        onRefresh: () {
+          return Future(() {
+            setState(() {
+              _daysToLoad = prefs?.getInt("daysToLoad") ?? 7;
+              dailyWeather = BrightSkyAPI.fetchForecastForTimeRange(
+                  DateTime.now(), _daysToLoad, widget.lat, widget.lon);
+            });
+          });
+        },
+        child: SingleChildScrollView(
+          physics: const AlwaysScrollableScrollPhysics(),
+          child: Center(
+            child: FutureBuilder<List<DailyWeatherModel>>(
+              future: BrightSkyAPI.fetchForecastForTimeRange(
+                  DateTime.now(), _daysToLoad, widget.lat, widget.lon),
+              builder: (context, snapshot) {
+                if (snapshot.hasData) {
+                  return Column(
+                      children: snapshot.data!
+                          .map((e) => Padding(
+                              padding: const EdgeInsets.symmetric(vertical: 5),
+                              child: CompactWeatherData(e)))
+                          .toList());
+                } else if (snapshot.hasError) {
+                  return Text('${snapshot.error}');
+                }
+
+                // By default, show a loading spinner.
+                return const CircularProgressIndicator();
+              },
+            ),
+          ),
+        ));
+  }
+}