Load user preferences at start of app. Manage locations: user is able to add locations by lat and lon to shared preferences

2022-09-04 22:04:15 +02:00
parent b0c4afe1f3
commit 730634bdb2
6 changed files with 86 additions and 36 deletions
@@ -0,0 +1,22 @@
+import 'package:shared_preferences/shared_preferences.dart';
+
+class UserPreferences {
+  static List<String> _savedLocations = [];
+  static SharedPreferences? preferences;
+  static Future<void> init() async {
+    preferences = await SharedPreferences.getInstance();
+    _savedLocations = preferences!.getStringList('savedLocations') ?? [];
+  }
+
+  static List<String> getSavedLocations() {
+    return _savedLocations;
+  }
+
+  static List<String> saveNewLocation(String name, double lat, double lon) {
+    _savedLocations.add(name);
+    preferences!.setStringList('savedLocations', _savedLocations);
+    preferences!.setDouble("$name-lat", lat);
+    preferences!.setDouble("$name-lon", lon);
+    return getSavedLocations();
+  }
+}